diff --git "a/build/smg/index.js" "b/build/smg/index.js"
new file mode 100644--- /dev/null
+++ "b/build/smg/index.js"
@@ -0,0 +1,14532 @@
+
+var Godot = (() => {
+  var _scriptDir = typeof document !== 'undefined' && document.currentScript ? document.currentScript.src : undefined;
+  
+  return (
+function(Godot) {
+  Godot = Godot || {};
+
+
+
+// Support for growable heap + pthreads, where the buffer may change, so JS views
+// must be updated.
+function GROWABLE_HEAP_I8() {
+  if (wasmMemory.buffer != buffer) {
+    updateGlobalBufferAndViews(wasmMemory.buffer);
+  }
+  return HEAP8;
+}
+function GROWABLE_HEAP_U8() {
+  if (wasmMemory.buffer != buffer) {
+    updateGlobalBufferAndViews(wasmMemory.buffer);
+  }
+  return HEAPU8;
+}
+function GROWABLE_HEAP_I16() {
+  if (wasmMemory.buffer != buffer) {
+    updateGlobalBufferAndViews(wasmMemory.buffer);
+  }
+  return HEAP16;
+}
+function GROWABLE_HEAP_U16() {
+  if (wasmMemory.buffer != buffer) {
+    updateGlobalBufferAndViews(wasmMemory.buffer);
+  }
+  return HEAPU16;
+}
+function GROWABLE_HEAP_I32() {
+  if (wasmMemory.buffer != buffer) {
+    updateGlobalBufferAndViews(wasmMemory.buffer);
+  }
+  return HEAP32;
+}
+function GROWABLE_HEAP_U32() {
+  if (wasmMemory.buffer != buffer) {
+    updateGlobalBufferAndViews(wasmMemory.buffer);
+  }
+  return HEAPU32;
+}
+function GROWABLE_HEAP_F32() {
+  if (wasmMemory.buffer != buffer) {
+    updateGlobalBufferAndViews(wasmMemory.buffer);
+  }
+  return HEAPF32;
+}
+function GROWABLE_HEAP_F64() {
+  if (wasmMemory.buffer != buffer) {
+    updateGlobalBufferAndViews(wasmMemory.buffer);
+  }
+  return HEAPF64;
+}
+
+var Module = typeof Godot != "undefined" ? Godot : {};
+
+var readyPromiseResolve, readyPromiseReject;
+
+Module["ready"] = new Promise(function(resolve, reject) {
+ readyPromiseResolve = resolve;
+ readyPromiseReject = reject;
+});
+
+[ "_main", "__emscripten_thread_init", "__emscripten_thread_exit", "__emscripten_thread_crashed", "__emscripten_tls_init", "_pthread_self", "executeNotifiedProxyingQueue", "establishStackSpace", "invokeEntryPoint", "PThread", "_emscripten_webgl_commit_frame", "__Z14godot_web_mainiPPc", "_fflush", "__emwebxr_on_input_event", "__emwebxr_on_simple_event", "__emscripten_proxy_execute_task_queue", "onRuntimeInitialized" ].forEach(prop => {
+ if (!Object.getOwnPropertyDescriptor(Module["ready"], prop)) {
+  Object.defineProperty(Module["ready"], prop, {
+   get: () => abort("You are getting " + prop + " on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js"),
+   set: () => abort("You are setting " + prop + " on the Promise object, instead of the instance. Use .then() to get called back with the instance, see the MODULARIZE docs in src/settings.js")
+  });
+ }
+});
+
+var moduleOverrides = Object.assign({}, Module);
+
+var arguments_ = [];
+
+var thisProgram = "./this.program";
+
+var quit_ = (status, toThrow) => {
+ throw toThrow;
+};
+
+var ENVIRONMENT_IS_WEB = typeof window == "object";
+
+var ENVIRONMENT_IS_WORKER = typeof importScripts == "function";
+
+var ENVIRONMENT_IS_NODE = typeof process == "object" && typeof process.versions == "object" && typeof process.versions.node == "string";
+
+var ENVIRONMENT_IS_SHELL = !ENVIRONMENT_IS_WEB && !ENVIRONMENT_IS_NODE && !ENVIRONMENT_IS_WORKER;
+
+if (Module["ENVIRONMENT"]) {
+ throw new Error("Module.ENVIRONMENT has been deprecated. To force the environment, use the ENVIRONMENT compile-time option (for example, -sENVIRONMENT=web or -sENVIRONMENT=node)");
+}
+
+var ENVIRONMENT_IS_PTHREAD = Module["ENVIRONMENT_IS_PTHREAD"] || false;
+
+var scriptDirectory = "";
+
+function locateFile(path) {
+ if (Module["locateFile"]) {
+  return Module["locateFile"](path, scriptDirectory);
+ }
+ return scriptDirectory + path;
+}
+
+var read_, readAsync, readBinary, setWindowTitle;
+
+function logExceptionOnExit(e) {
+ if (e instanceof ExitStatus) return;
+ let toLog = e;
+ if (e && typeof e == "object" && e.stack) {
+  toLog = [ e, e.stack ];
+ }
+ err("exiting due to exception: " + toLog);
+}
+
+if (ENVIRONMENT_IS_SHELL) {
+ if (typeof process == "object" && typeof require === "function" || typeof window == "object" || typeof importScripts == "function") throw new Error("not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)");
+ if (typeof read != "undefined") {
+  read_ = function shell_read(f) {
+   return read(f);
+  };
+ }
+ readBinary = function readBinary(f) {
+  let data;
+  if (typeof readbuffer == "function") {
+   return new Uint8Array(readbuffer(f));
+  }
+  data = read(f, "binary");
+  assert(typeof data == "object");
+  return data;
+ };
+ readAsync = function readAsync(f, onload, onerror) {
+  setTimeout(() => onload(readBinary(f)), 0);
+ };
+ if (typeof scriptArgs != "undefined") {
+  arguments_ = scriptArgs;
+ } else if (typeof arguments != "undefined") {
+  arguments_ = arguments;
+ }
+ if (typeof quit == "function") {
+  quit_ = (status, toThrow) => {
+   if (runtimeKeepaliveCounter) {
+    throw toThrow;
+   }
+   logExceptionOnExit(toThrow);
+   quit(status);
+  };
+ }
+ if (typeof print != "undefined") {
+  if (typeof console == "undefined") console = {};
+  console.log = print;
+  console.warn = console.error = typeof printErr != "undefined" ? printErr : print;
+ }
+} else if (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER) {
+ if (ENVIRONMENT_IS_WORKER) {
+  scriptDirectory = self.location.href;
+ } else if (typeof document != "undefined" && document.currentScript) {
+  scriptDirectory = document.currentScript.src;
+ }
+ if (_scriptDir) {
+  scriptDirectory = _scriptDir;
+ }
+ if (scriptDirectory.indexOf("blob:") !== 0) {
+  scriptDirectory = scriptDirectory.substr(0, scriptDirectory.replace(/[?#].*/, "").lastIndexOf("/") + 1);
+ } else {
+  scriptDirectory = "";
+ }
+ if (!(typeof window == "object" || typeof importScripts == "function")) throw new Error("not compiled for this environment (did you build to HTML and try to run it not on the web, or set ENVIRONMENT to something - like node - and run it someplace else - like on the web?)");
+ {
+  read_ = url => {
+   var xhr = new XMLHttpRequest();
+   xhr.open("GET", url, false);
+   xhr.send(null);
+   return xhr.responseText;
+  };
+  if (ENVIRONMENT_IS_WORKER) {
+   readBinary = url => {
+    var xhr = new XMLHttpRequest();
+    xhr.open("GET", url, false);
+    xhr.responseType = "arraybuffer";
+    xhr.send(null);
+    return new Uint8Array(xhr.response);
+   };
+  }
+  readAsync = (url, onload, onerror) => {
+   var xhr = new XMLHttpRequest();
+   xhr.open("GET", url, true);
+   xhr.responseType = "arraybuffer";
+   xhr.onload = () => {
+    if (xhr.status == 200 || xhr.status == 0 && xhr.response) {
+     onload(xhr.response);
+     return;
+    }
+    onerror();
+   };
+   xhr.onerror = onerror;
+   xhr.send(null);
+  };
+ }
+ setWindowTitle = title => document.title = title;
+} else {
+ throw new Error("environment detection error");
+}
+
+var out = Module["print"] || console.log.bind(console);
+
+var err = Module["printErr"] || console.warn.bind(console);
+
+Object.assign(Module, moduleOverrides);
+
+moduleOverrides = null;
+
+checkIncomingModuleAPI();
+
+if (Module["arguments"]) arguments_ = Module["arguments"];
+
+legacyModuleProp("arguments", "arguments_");
+
+if (Module["thisProgram"]) thisProgram = Module["thisProgram"];
+
+legacyModuleProp("thisProgram", "thisProgram");
+
+if (Module["quit"]) quit_ = Module["quit"];
+
+legacyModuleProp("quit", "quit_");
+
+assert(typeof Module["memoryInitializerPrefixURL"] == "undefined", "Module.memoryInitializerPrefixURL option was removed, use Module.locateFile instead");
+
+assert(typeof Module["pthreadMainPrefixURL"] == "undefined", "Module.pthreadMainPrefixURL option was removed, use Module.locateFile instead");
+
+assert(typeof Module["cdInitializerPrefixURL"] == "undefined", "Module.cdInitializerPrefixURL option was removed, use Module.locateFile instead");
+
+assert(typeof Module["filePackagePrefixURL"] == "undefined", "Module.filePackagePrefixURL option was removed, use Module.locateFile instead");
+
+assert(typeof Module["read"] == "undefined", "Module.read option was removed (modify read_ in JS)");
+
+assert(typeof Module["readAsync"] == "undefined", "Module.readAsync option was removed (modify readAsync in JS)");
+
+assert(typeof Module["readBinary"] == "undefined", "Module.readBinary option was removed (modify readBinary in JS)");
+
+assert(typeof Module["setWindowTitle"] == "undefined", "Module.setWindowTitle option was removed (modify setWindowTitle in JS)");
+
+assert(typeof Module["TOTAL_MEMORY"] == "undefined", "Module.TOTAL_MEMORY has been renamed Module.INITIAL_MEMORY");
+
+legacyModuleProp("read", "read_");
+
+legacyModuleProp("readAsync", "readAsync");
+
+legacyModuleProp("readBinary", "readBinary");
+
+legacyModuleProp("setWindowTitle", "setWindowTitle");
+
+var PROXYFS = "PROXYFS is no longer included by default; build with -lproxyfs.js";
+
+var WORKERFS = "WORKERFS is no longer included by default; build with -lworkerfs.js";
+
+var NODEFS = "NODEFS is no longer included by default; build with -lnodefs.js";
+
+assert(ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER || ENVIRONMENT_IS_NODE, "Pthreads do not work in this environment yet (need Web Workers, or an alternative to them)");
+
+assert(!ENVIRONMENT_IS_NODE, "node environment detected but not enabled at build time.  Add 'node' to `-sENVIRONMENT` to enable.");
+
+assert(!ENVIRONMENT_IS_SHELL, "shell environment detected but not enabled at build time.  Add 'shell' to `-sENVIRONMENT` to enable.");
+
+var STACK_ALIGN = 16;
+
+var POINTER_SIZE = 4;
+
+function getNativeTypeSize(type) {
+ switch (type) {
+ case "i1":
+ case "i8":
+ case "u8":
+  return 1;
+
+ case "i16":
+ case "u16":
+  return 2;
+
+ case "i32":
+ case "u32":
+  return 4;
+
+ case "i64":
+ case "u64":
+  return 8;
+
+ case "float":
+  return 4;
+
+ case "double":
+  return 8;
+
+ default:
+  {
+   if (type[type.length - 1] === "*") {
+    return POINTER_SIZE;
+   }
+   if (type[0] === "i") {
+    const bits = Number(type.substr(1));
+    assert(bits % 8 === 0, "getNativeTypeSize invalid bits " + bits + ", type " + type);
+    return bits / 8;
+   }
+   return 0;
+  }
+ }
+}
+
+function legacyModuleProp(prop, newName) {
+ if (!Object.getOwnPropertyDescriptor(Module, prop)) {
+  Object.defineProperty(Module, prop, {
+   configurable: true,
+   get: function() {
+    abort("Module." + prop + " has been replaced with plain " + newName + " (the initial value can be provided on Module, but after startup the value is only looked for on a local variable of that name)");
+   }
+  });
+ }
+}
+
+function ignoredModuleProp(prop) {
+ if (Object.getOwnPropertyDescriptor(Module, prop)) {
+  abort("`Module." + prop + "` was supplied but `" + prop + "` not included in INCOMING_MODULE_JS_API");
+ }
+}
+
+function isExportedByForceFilesystem(name) {
+ return name === "FS_createPath" || name === "FS_createDataFile" || name === "FS_createPreloadedFile" || name === "FS_unlink" || name === "addRunDependency" || name === "FS_createLazyFile" || name === "FS_createDevice" || name === "removeRunDependency";
+}
+
+function missingLibrarySymbol(sym) {
+ if (typeof globalThis !== "undefined" && !Object.getOwnPropertyDescriptor(globalThis, sym)) {
+  Object.defineProperty(globalThis, sym, {
+   configurable: true,
+   get: function() {
+    var msg = "`" + sym + "` is a library symbol and not included by default; add it to your library.js __deps or to DEFAULT_LIBRARY_FUNCS_TO_INCLUDE on the command line";
+    if (isExportedByForceFilesystem(sym)) {
+     msg += ". Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you";
+    }
+    warnOnce(msg);
+    return undefined;
+   }
+  });
+ }
+}
+
+function unexportedRuntimeSymbol(sym) {
+ if (!Object.getOwnPropertyDescriptor(Module, sym)) {
+  Object.defineProperty(Module, sym, {
+   configurable: true,
+   get: function() {
+    var msg = "'" + sym + "' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the FAQ)";
+    if (isExportedByForceFilesystem(sym)) {
+     msg += ". Alternatively, forcing filesystem support (-sFORCE_FILESYSTEM) can export this for you";
+    }
+    abort(msg);
+   }
+  });
+ }
+}
+
+var tempRet0 = 0;
+
+var setTempRet0 = value => {
+ tempRet0 = value;
+};
+
+var getTempRet0 = () => tempRet0;
+
+var Atomics_load = Atomics.load;
+
+var Atomics_store = Atomics.store;
+
+var Atomics_compareExchange = Atomics.compareExchange;
+
+var wasmBinary;
+
+if (Module["wasmBinary"]) wasmBinary = Module["wasmBinary"];
+
+legacyModuleProp("wasmBinary", "wasmBinary");
+
+var noExitRuntime = Module["noExitRuntime"] || false;
+
+legacyModuleProp("noExitRuntime", "noExitRuntime");
+
+if (typeof WebAssembly != "object") {
+ abort("no native wasm support detected");
+}
+
+var wasmMemory;
+
+var wasmModule;
+
+var ABORT = false;
+
+var EXITSTATUS;
+
+function assert(condition, text) {
+ if (!condition) {
+  abort("Assertion failed" + (text ? ": " + text : ""));
+ }
+}
+
+var UTF8Decoder = typeof TextDecoder != "undefined" ? new TextDecoder("utf8") : undefined;
+
+function UTF8ArrayToString(heapOrArray, idx, maxBytesToRead) {
+ var endIdx = idx + maxBytesToRead;
+ var endPtr = idx;
+ while (heapOrArray[endPtr] && !(endPtr >= endIdx)) ++endPtr;
+ if (endPtr - idx > 16 && heapOrArray.buffer && UTF8Decoder) {
+  return UTF8Decoder.decode(heapOrArray.buffer instanceof SharedArrayBuffer ? heapOrArray.slice(idx, endPtr) : heapOrArray.subarray(idx, endPtr));
+ }
+ var str = "";
+ while (idx < endPtr) {
+  var u0 = heapOrArray[idx++];
+  if (!(u0 & 128)) {
+   str += String.fromCharCode(u0);
+   continue;
+  }
+  var u1 = heapOrArray[idx++] & 63;
+  if ((u0 & 224) == 192) {
+   str += String.fromCharCode((u0 & 31) << 6 | u1);
+   continue;
+  }
+  var u2 = heapOrArray[idx++] & 63;
+  if ((u0 & 240) == 224) {
+   u0 = (u0 & 15) << 12 | u1 << 6 | u2;
+  } else {
+   if ((u0 & 248) != 240) warnOnce("Invalid UTF-8 leading byte 0x" + u0.toString(16) + " encountered when deserializing a UTF-8 string in wasm memory to a JS string!");
+   u0 = (u0 & 7) << 18 | u1 << 12 | u2 << 6 | heapOrArray[idx++] & 63;
+  }
+  if (u0 < 65536) {
+   str += String.fromCharCode(u0);
+  } else {
+   var ch = u0 - 65536;
+   str += String.fromCharCode(55296 | ch >> 10, 56320 | ch & 1023);
+  }
+ }
+ return str;
+}
+
+function UTF8ToString(ptr, maxBytesToRead) {
+ return ptr ? UTF8ArrayToString(GROWABLE_HEAP_U8(), ptr, maxBytesToRead) : "";
+}
+
+function stringToUTF8Array(str, heap, outIdx, maxBytesToWrite) {
+ if (!(maxBytesToWrite > 0)) return 0;
+ var startIdx = outIdx;
+ var endIdx = outIdx + maxBytesToWrite - 1;
+ for (var i = 0; i < str.length; ++i) {
+  var u = str.charCodeAt(i);
+  if (u >= 55296 && u <= 57343) {
+   var u1 = str.charCodeAt(++i);
+   u = 65536 + ((u & 1023) << 10) | u1 & 1023;
+  }
+  if (u <= 127) {
+   if (outIdx >= endIdx) break;
+   heap[outIdx++] = u;
+  } else if (u <= 2047) {
+   if (outIdx + 1 >= endIdx) break;
+   heap[outIdx++] = 192 | u >> 6;
+   heap[outIdx++] = 128 | u & 63;
+  } else if (u <= 65535) {
+   if (outIdx + 2 >= endIdx) break;
+   heap[outIdx++] = 224 | u >> 12;
+   heap[outIdx++] = 128 | u >> 6 & 63;
+   heap[outIdx++] = 128 | u & 63;
+  } else {
+   if (outIdx + 3 >= endIdx) break;
+   if (u > 1114111) warnOnce("Invalid Unicode code point 0x" + u.toString(16) + " encountered when serializing a JS string to a UTF-8 string in wasm memory! (Valid unicode code points should be in range 0-0x10FFFF).");
+   heap[outIdx++] = 240 | u >> 18;
+   heap[outIdx++] = 128 | u >> 12 & 63;
+   heap[outIdx++] = 128 | u >> 6 & 63;
+   heap[outIdx++] = 128 | u & 63;
+  }
+ }
+ heap[outIdx] = 0;
+ return outIdx - startIdx;
+}
+
+function stringToUTF8(str, outPtr, maxBytesToWrite) {
+ assert(typeof maxBytesToWrite == "number", "stringToUTF8(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!");
+ return stringToUTF8Array(str, GROWABLE_HEAP_U8(), outPtr, maxBytesToWrite);
+}
+
+function lengthBytesUTF8(str) {
+ var len = 0;
+ for (var i = 0; i < str.length; ++i) {
+  var c = str.charCodeAt(i);
+  if (c <= 127) {
+   len++;
+  } else if (c <= 2047) {
+   len += 2;
+  } else if (c >= 55296 && c <= 57343) {
+   len += 4;
+   ++i;
+  } else {
+   len += 3;
+  }
+ }
+ return len;
+}
+
+var HEAP, buffer, HEAP8, HEAPU8, HEAP16, HEAPU16, HEAP32, HEAPU32, HEAPF32, HEAPF64;
+
+if (ENVIRONMENT_IS_PTHREAD) {
+ buffer = Module["buffer"];
+}
+
+function updateGlobalBufferAndViews(buf) {
+ buffer = buf;
+ Module["HEAP8"] = HEAP8 = new Int8Array(buf);
+ Module["HEAP16"] = HEAP16 = new Int16Array(buf);
+ Module["HEAP32"] = HEAP32 = new Int32Array(buf);
+ Module["HEAPU8"] = HEAPU8 = new Uint8Array(buf);
+ Module["HEAPU16"] = HEAPU16 = new Uint16Array(buf);
+ Module["HEAPU32"] = HEAPU32 = new Uint32Array(buf);
+ Module["HEAPF32"] = HEAPF32 = new Float32Array(buf);
+ Module["HEAPF64"] = HEAPF64 = new Float64Array(buf);
+}
+
+var TOTAL_STACK = 5242880;
+
+if (Module["TOTAL_STACK"]) assert(TOTAL_STACK === Module["TOTAL_STACK"], "the stack size can no longer be determined at runtime");
+
+var INITIAL_MEMORY = Module["INITIAL_MEMORY"] || 33554432;
+
+legacyModuleProp("INITIAL_MEMORY", "INITIAL_MEMORY");
+
+assert(INITIAL_MEMORY >= TOTAL_STACK, "INITIAL_MEMORY should be larger than TOTAL_STACK, was " + INITIAL_MEMORY + "! (TOTAL_STACK=" + TOTAL_STACK + ")");
+
+assert(typeof Int32Array != "undefined" && typeof Float64Array !== "undefined" && Int32Array.prototype.subarray != undefined && Int32Array.prototype.set != undefined, "JS engine does not provide full typed array support");
+
+if (ENVIRONMENT_IS_PTHREAD) {
+ wasmMemory = Module["wasmMemory"];
+ buffer = Module["buffer"];
+} else {
+ if (Module["wasmMemory"]) {
+  wasmMemory = Module["wasmMemory"];
+ } else {
+  wasmMemory = new WebAssembly.Memory({
+   "initial": INITIAL_MEMORY / 65536,
+   "maximum": 2147483648 / 65536,
+   "shared": true
+  });
+  if (!(wasmMemory.buffer instanceof SharedArrayBuffer)) {
+   err("requested a shared WebAssembly.Memory but the returned buffer is not a SharedArrayBuffer, indicating that while the browser has SharedArrayBuffer it does not have WebAssembly threads support - you may need to set a flag");
+   if (ENVIRONMENT_IS_NODE) {
+    console.log("(on node you may need: --experimental-wasm-threads --experimental-wasm-bulk-memory and also use a recent version)");
+   }
+   throw Error("bad memory");
+  }
+ }
+}
+
+if (wasmMemory) {
+ buffer = wasmMemory.buffer;
+}
+
+INITIAL_MEMORY = buffer.byteLength;
+
+assert(INITIAL_MEMORY % 65536 === 0);
+
+updateGlobalBufferAndViews(buffer);
+
+var wasmTable;
+
+function writeStackCookie() {
+ var max = _emscripten_stack_get_end();
+ assert((max & 3) == 0);
+ GROWABLE_HEAP_I32()[max >> 2] = 34821223;
+ GROWABLE_HEAP_I32()[max + 4 >> 2] = 2310721022;
+ GROWABLE_HEAP_U32()[0] = 1668509029;
+}
+
+function checkStackCookie() {
+ if (ABORT) return;
+ var max = _emscripten_stack_get_end();
+ var cookie1 = GROWABLE_HEAP_U32()[max >> 2];
+ var cookie2 = GROWABLE_HEAP_U32()[max + 4 >> 2];
+ if (cookie1 != 34821223 || cookie2 != 2310721022) {
+  abort("Stack overflow! Stack cookie has been overwritten at 0x" + max.toString(16) + ", expected hex dwords 0x89BACDFE and 0x2135467, but received 0x" + cookie2.toString(16) + " 0x" + cookie1.toString(16));
+ }
+ if (GROWABLE_HEAP_U32()[0] !== 1668509029) abort("Runtime error: The application has corrupted its heap memory area (address zero)!");
+}
+
+(function() {
+ var h16 = new Int16Array(1);
+ var h8 = new Int8Array(h16.buffer);
+ h16[0] = 25459;
+ if (h8[0] !== 115 || h8[1] !== 99) throw "Runtime error: expected the system to be little-endian! (Run with -sSUPPORT_BIG_ENDIAN to bypass)";
+})();
+
+var __ATPRERUN__ = [];
+
+var __ATINIT__ = [];
+
+var __ATMAIN__ = [];
+
+var __ATEXIT__ = [];
+
+var __ATPOSTRUN__ = [];
+
+var runtimeInitialized = false;
+
+var runtimeExited = false;
+
+var runtimeKeepaliveCounter = 0;
+
+function keepRuntimeAlive() {
+ return noExitRuntime || runtimeKeepaliveCounter > 0;
+}
+
+function preRun() {
+ assert(!ENVIRONMENT_IS_PTHREAD);
+ if (Module["preRun"]) {
+  if (typeof Module["preRun"] == "function") Module["preRun"] = [ Module["preRun"] ];
+  while (Module["preRun"].length) {
+   addOnPreRun(Module["preRun"].shift());
+  }
+ }
+ callRuntimeCallbacks(__ATPRERUN__);
+}
+
+function initRuntime() {
+ assert(!runtimeInitialized);
+ runtimeInitialized = true;
+ if (ENVIRONMENT_IS_PTHREAD) return;
+ checkStackCookie();
+ if (!Module["noFSInit"] && !FS.init.initialized) FS.init();
+ FS.ignorePermissions = false;
+ TTY.init();
+ SOCKFS.root = FS.mount(SOCKFS, {}, null);
+ callRuntimeCallbacks(__ATINIT__);
+}
+
+function preMain() {
+ checkStackCookie();
+ if (ENVIRONMENT_IS_PTHREAD) return;
+ callRuntimeCallbacks(__ATMAIN__);
+}
+
+function exitRuntime() {
+ checkStackCookie();
+ if (ENVIRONMENT_IS_PTHREAD) return;
+ ___funcs_on_exit();
+ callRuntimeCallbacks(__ATEXIT__);
+ FS.quit();
+ TTY.shutdown();
+ IDBFS.quit();
+ PThread.terminateAllThreads();
+ runtimeExited = true;
+}
+
+function postRun() {
+ checkStackCookie();
+ if (ENVIRONMENT_IS_PTHREAD) return;
+ if (Module["postRun"]) {
+  if (typeof Module["postRun"] == "function") Module["postRun"] = [ Module["postRun"] ];
+  while (Module["postRun"].length) {
+   addOnPostRun(Module["postRun"].shift());
+  }
+ }
+ callRuntimeCallbacks(__ATPOSTRUN__);
+}
+
+function addOnPreRun(cb) {
+ __ATPRERUN__.unshift(cb);
+}
+
+function addOnInit(cb) {
+ __ATINIT__.unshift(cb);
+}
+
+function addOnPreMain(cb) {
+ __ATMAIN__.unshift(cb);
+}
+
+function addOnExit(cb) {
+ __ATEXIT__.unshift(cb);
+}
+
+function addOnPostRun(cb) {
+ __ATPOSTRUN__.unshift(cb);
+}
+
+assert(Math.imul, "This browser does not support Math.imul(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill");
+
+assert(Math.fround, "This browser does not support Math.fround(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill");
+
+assert(Math.clz32, "This browser does not support Math.clz32(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill");
+
+assert(Math.trunc, "This browser does not support Math.trunc(), build with LEGACY_VM_SUPPORT or POLYFILL_OLD_MATH_FUNCTIONS to add in a polyfill");
+
+var runDependencies = 0;
+
+var runDependencyWatcher = null;
+
+var dependenciesFulfilled = null;
+
+var runDependencyTracking = {};
+
+function getUniqueRunDependency(id) {
+ var orig = id;
+ while (1) {
+  if (!runDependencyTracking[id]) return id;
+  id = orig + Math.random();
+ }
+}
+
+function addRunDependency(id) {
+ runDependencies++;
+ if (Module["monitorRunDependencies"]) {
+  Module["monitorRunDependencies"](runDependencies);
+ }
+ if (id) {
+  assert(!runDependencyTracking[id]);
+  runDependencyTracking[id] = 1;
+  if (runDependencyWatcher === null && typeof setInterval != "undefined") {
+   runDependencyWatcher = setInterval(function() {
+    if (ABORT) {
+     clearInterval(runDependencyWatcher);
+     runDependencyWatcher = null;
+     return;
+    }
+    var shown = false;
+    for (var dep in runDependencyTracking) {
+     if (!shown) {
+      shown = true;
+      err("still waiting on run dependencies:");
+     }
+     err("dependency: " + dep);
+    }
+    if (shown) {
+     err("(end of list)");
+    }
+   }, 1e4);
+  }
+ } else {
+  err("warning: run dependency added without ID");
+ }
+}
+
+function removeRunDependency(id) {
+ runDependencies--;
+ if (Module["monitorRunDependencies"]) {
+  Module["monitorRunDependencies"](runDependencies);
+ }
+ if (id) {
+  assert(runDependencyTracking[id]);
+  delete runDependencyTracking[id];
+ } else {
+  err("warning: run dependency removed without ID");
+ }
+ if (runDependencies == 0) {
+  if (runDependencyWatcher !== null) {
+   clearInterval(runDependencyWatcher);
+   runDependencyWatcher = null;
+  }
+  if (dependenciesFulfilled) {
+   var callback = dependenciesFulfilled;
+   dependenciesFulfilled = null;
+   callback();
+  }
+ }
+}
+
+function abort(what) {
+ if (ENVIRONMENT_IS_PTHREAD) {
+  postMessage({
+   "cmd": "onAbort",
+   "arg": what
+  });
+ } else {
+  if (Module["onAbort"]) {
+   Module["onAbort"](what);
+  }
+ }
+ what = "Aborted(" + what + ")";
+ err(what);
+ ABORT = true;
+ EXITSTATUS = 1;
+ var e = new WebAssembly.RuntimeError(what);
+ readyPromiseReject(e);
+ throw e;
+}
+
+var dataURIPrefix = "data:application/octet-stream;base64,";
+
+function isDataURI(filename) {
+ return filename.startsWith(dataURIPrefix);
+}
+
+function isFileURI(filename) {
+ return filename.startsWith("file://");
+}
+
+function createExportWrapper(name, fixedasm) {
+ return function() {
+  var displayName = name;
+  var asm = fixedasm;
+  if (!fixedasm) {
+   asm = Module["asm"];
+  }
+  assert(runtimeInitialized, "native function `" + displayName + "` called before runtime initialization");
+  assert(!runtimeExited, "native function `" + displayName + "` called after runtime exit (use NO_EXIT_RUNTIME to keep it alive after main() exits)");
+  if (!asm[name]) {
+   assert(asm[name], "exported native function `" + displayName + "` not found");
+  }
+  return asm[name].apply(null, arguments);
+ };
+}
+
+var wasmBinaryFile;
+
+wasmBinaryFile = "godot.web.template_debug.wasm32.wasm";
+
+if (!isDataURI(wasmBinaryFile)) {
+ wasmBinaryFile = locateFile(wasmBinaryFile);
+}
+
+function getBinary(file) {
+ try {
+  if (file == wasmBinaryFile && wasmBinary) {
+   return new Uint8Array(wasmBinary);
+  }
+  if (readBinary) {
+   return readBinary(file);
+  }
+  throw "both async and sync fetching of the wasm failed";
+ } catch (err) {
+  abort(err);
+ }
+}
+
+function getBinaryPromise() {
+ if (!wasmBinary && (ENVIRONMENT_IS_WEB || ENVIRONMENT_IS_WORKER)) {
+  if (typeof fetch == "function") {
+   return fetch(wasmBinaryFile, {
+    credentials: "same-origin"
+   }).then(function(response) {
+    if (!response["ok"]) {
+     throw "failed to load wasm binary file at '" + wasmBinaryFile + "'";
+    }
+    return response["arrayBuffer"]();
+   }).catch(function() {
+    return getBinary(wasmBinaryFile);
+   });
+  }
+ }
+ return Promise.resolve().then(function() {
+  return getBinary(wasmBinaryFile);
+ });
+}
+
+function createWasm() {
+ var info = {
+  "env": asmLibraryArg,
+  "wasi_snapshot_preview1": asmLibraryArg
+ };
+ function receiveInstance(instance, module) {
+  var exports = instance.exports;
+  Module["asm"] = exports;
+  registerTLSInit(Module["asm"]["_emscripten_tls_init"]);
+  wasmTable = Module["asm"]["__indirect_function_table"];
+  assert(wasmTable, "table not found in wasm exports");
+  addOnInit(Module["asm"]["__wasm_call_ctors"]);
+  wasmModule = module;
+  if (!ENVIRONMENT_IS_PTHREAD) {
+   var numWorkersToLoad = PThread.unusedWorkers.length;
+   PThread.unusedWorkers.forEach(function(w) {
+    PThread.loadWasmModuleToWorker(w, function() {
+     if (!--numWorkersToLoad) removeRunDependency("wasm-instantiate");
+    });
+   });
+  }
+ }
+ if (!ENVIRONMENT_IS_PTHREAD) {
+  addRunDependency("wasm-instantiate");
+ }
+ var trueModule = Module;
+ function receiveInstantiationResult(result) {
+  assert(Module === trueModule, "the Module object should not be replaced during async compilation - perhaps the order of HTML elements is wrong?");
+  trueModule = null;
+  receiveInstance(result["instance"], result["module"]);
+ }
+ function instantiateArrayBuffer(receiver) {
+  return getBinaryPromise().then(function(binary) {
+   return WebAssembly.instantiate(binary, info);
+  }).then(function(instance) {
+   return instance;
+  }).then(receiver, function(reason) {
+   err("failed to asynchronously prepare wasm: " + reason);
+   if (isFileURI(wasmBinaryFile)) {
+    err("warning: Loading from a file URI (" + wasmBinaryFile + ") is not supported in most browsers. See https://emscripten.org/docs/getting_started/FAQ.html#how-do-i-run-a-local-webserver-for-testing-why-does-my-program-stall-in-downloading-or-preparing");
+   }
+   abort(reason);
+  });
+ }
+ function instantiateAsync() {
+  if (!wasmBinary && typeof WebAssembly.instantiateStreaming == "function" && !isDataURI(wasmBinaryFile) && typeof fetch == "function") {
+   return fetch(wasmBinaryFile, {
+    credentials: "same-origin"
+   }).then(function(response) {
+    var result = WebAssembly.instantiateStreaming(response, info);
+    return result.then(receiveInstantiationResult, function(reason) {
+     err("wasm streaming compile failed: " + reason);
+     err("falling back to ArrayBuffer instantiation");
+     return instantiateArrayBuffer(receiveInstantiationResult);
+    });
+   });
+  } else {
+   return instantiateArrayBuffer(receiveInstantiationResult);
+  }
+ }
+ if (Module["instantiateWasm"]) {
+  try {
+   var exports = Module["instantiateWasm"](info, receiveInstance);
+   return exports;
+  } catch (e) {
+   err("Module.instantiateWasm callback failed with error: " + e);
+   return false;
+  }
+ }
+ instantiateAsync().catch(readyPromiseReject);
+ return {};
+}
+
+var tempDouble;
+
+var tempI64;
+
+var ASM_CONSTS = {};
+
+function ExitStatus(status) {
+ this.name = "ExitStatus";
+ this.message = "Program terminated with exit(" + status + ")";
+ this.status = status;
+}
+
+function killThread(pthread_ptr) {
+ assert(!ENVIRONMENT_IS_PTHREAD, "Internal Error! killThread() can only ever be called from main application thread!");
+ assert(pthread_ptr, "Internal Error! Null pthread_ptr in killThread!");
+ var worker = PThread.pthreads[pthread_ptr];
+ delete PThread.pthreads[pthread_ptr];
+ worker.terminate();
+ __emscripten_thread_free_data(pthread_ptr);
+ PThread.runningWorkers.splice(PThread.runningWorkers.indexOf(worker), 1);
+ worker.pthread_ptr = 0;
+}
+
+function cancelThread(pthread_ptr) {
+ assert(!ENVIRONMENT_IS_PTHREAD, "Internal Error! cancelThread() can only ever be called from main application thread!");
+ assert(pthread_ptr, "Internal Error! Null pthread_ptr in cancelThread!");
+ var worker = PThread.pthreads[pthread_ptr];
+ worker.postMessage({
+  "cmd": "cancel"
+ });
+}
+
+function cleanupThread(pthread_ptr) {
+ assert(!ENVIRONMENT_IS_PTHREAD, "Internal Error! cleanupThread() can only ever be called from main application thread!");
+ assert(pthread_ptr, "Internal Error! Null pthread_ptr in cleanupThread!");
+ var worker = PThread.pthreads[pthread_ptr];
+ assert(worker);
+ PThread.returnWorkerToPool(worker);
+}
+
+function zeroMemory(address, size) {
+ GROWABLE_HEAP_U8().fill(0, address, address + size);
+}
+
+function spawnThread(threadParams) {
+ assert(!ENVIRONMENT_IS_PTHREAD, "Internal Error! spawnThread() can only ever be called from main application thread!");
+ assert(threadParams.pthread_ptr, "Internal error, no pthread ptr!");
+ var worker = PThread.getNewWorker();
+ if (!worker) {
+  return 6;
+ }
+ assert(!worker.pthread_ptr, "Internal error!");
+ PThread.runningWorkers.push(worker);
+ PThread.pthreads[threadParams.pthread_ptr] = worker;
+ worker.pthread_ptr = threadParams.pthread_ptr;
+ var msg = {
+  "cmd": "run",
+  "start_routine": threadParams.startRoutine,
+  "arg": threadParams.arg,
+  "pthread_ptr": threadParams.pthread_ptr
+ };
+ worker.runPthread = () => {
+  msg.time = performance.now();
+  worker.postMessage(msg, threadParams.transferList);
+ };
+ if (worker.loaded) {
+  worker.runPthread();
+  delete worker.runPthread;
+ }
+ return 0;
+}
+
+var PATH = {
+ isAbs: path => path.charAt(0) === "/",
+ splitPath: filename => {
+  var splitPathRe = /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
+  return splitPathRe.exec(filename).slice(1);
+ },
+ normalizeArray: (parts, allowAboveRoot) => {
+  var up = 0;
+  for (var i = parts.length - 1; i >= 0; i--) {
+   var last = parts[i];
+   if (last === ".") {
+    parts.splice(i, 1);
+   } else if (last === "..") {
+    parts.splice(i, 1);
+    up++;
+   } else if (up) {
+    parts.splice(i, 1);
+    up--;
+   }
+  }
+  if (allowAboveRoot) {
+   for (;up; up--) {
+    parts.unshift("..");
+   }
+  }
+  return parts;
+ },
+ normalize: path => {
+  var isAbsolute = PATH.isAbs(path), trailingSlash = path.substr(-1) === "/";
+  path = PATH.normalizeArray(path.split("/").filter(p => !!p), !isAbsolute).join("/");
+  if (!path && !isAbsolute) {
+   path = ".";
+  }
+  if (path && trailingSlash) {
+   path += "/";
+  }
+  return (isAbsolute ? "/" : "") + path;
+ },
+ dirname: path => {
+  var result = PATH.splitPath(path), root = result[0], dir = result[1];
+  if (!root && !dir) {
+   return ".";
+  }
+  if (dir) {
+   dir = dir.substr(0, dir.length - 1);
+  }
+  return root + dir;
+ },
+ basename: path => {
+  if (path === "/") return "/";
+  path = PATH.normalize(path);
+  path = path.replace(/\/$/, "");
+  var lastSlash = path.lastIndexOf("/");
+  if (lastSlash === -1) return path;
+  return path.substr(lastSlash + 1);
+ },
+ join: function() {
+  var paths = Array.prototype.slice.call(arguments, 0);
+  return PATH.normalize(paths.join("/"));
+ },
+ join2: (l, r) => {
+  return PATH.normalize(l + "/" + r);
+ }
+};
+
+function getRandomDevice() {
+ if (typeof crypto == "object" && typeof crypto["getRandomValues"] == "function") {
+  var randomBuffer = new Uint8Array(1);
+  return () => {
+   crypto.getRandomValues(randomBuffer);
+   return randomBuffer[0];
+  };
+ } else return () => abort("no cryptographic support found for randomDevice. consider polyfilling it if you want to use something insecure like Math.random(), e.g. put this in a --pre-js: var crypto = { getRandomValues: function(array) { for (var i = 0; i < array.length; i++) array[i] = (Math.random()*256)|0 } };");
+}
+
+var PATH_FS = {
+ resolve: function() {
+  var resolvedPath = "", resolvedAbsolute = false;
+  for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
+   var path = i >= 0 ? arguments[i] : FS.cwd();
+   if (typeof path != "string") {
+    throw new TypeError("Arguments to path.resolve must be strings");
+   } else if (!path) {
+    return "";
+   }
+   resolvedPath = path + "/" + resolvedPath;
+   resolvedAbsolute = PATH.isAbs(path);
+  }
+  resolvedPath = PATH.normalizeArray(resolvedPath.split("/").filter(p => !!p), !resolvedAbsolute).join("/");
+  return (resolvedAbsolute ? "/" : "") + resolvedPath || ".";
+ },
+ relative: (from, to) => {
+  from = PATH_FS.resolve(from).substr(1);
+  to = PATH_FS.resolve(to).substr(1);
+  function trim(arr) {
+   var start = 0;
+   for (;start < arr.length; start++) {
+    if (arr[start] !== "") break;
+   }
+   var end = arr.length - 1;
+   for (;end >= 0; end--) {
+    if (arr[end] !== "") break;
+   }
+   if (start > end) return [];
+   return arr.slice(start, end - start + 1);
+  }
+  var fromParts = trim(from.split("/"));
+  var toParts = trim(to.split("/"));
+  var length = Math.min(fromParts.length, toParts.length);
+  var samePartsLength = length;
+  for (var i = 0; i < length; i++) {
+   if (fromParts[i] !== toParts[i]) {
+    samePartsLength = i;
+    break;
+   }
+  }
+  var outputParts = [];
+  for (var i = samePartsLength; i < fromParts.length; i++) {
+   outputParts.push("..");
+  }
+  outputParts = outputParts.concat(toParts.slice(samePartsLength));
+  return outputParts.join("/");
+ }
+};
+
+function intArrayFromString(stringy, dontAddNull, length) {
+ var len = length > 0 ? length : lengthBytesUTF8(stringy) + 1;
+ var u8array = new Array(len);
+ var numBytesWritten = stringToUTF8Array(stringy, u8array, 0, u8array.length);
+ if (dontAddNull) u8array.length = numBytesWritten;
+ return u8array;
+}
+
+var TTY = {
+ ttys: [],
+ init: function() {},
+ shutdown: function() {},
+ register: function(dev, ops) {
+  TTY.ttys[dev] = {
+   input: [],
+   output: [],
+   ops: ops
+  };
+  FS.registerDevice(dev, TTY.stream_ops);
+ },
+ stream_ops: {
+  open: function(stream) {
+   var tty = TTY.ttys[stream.node.rdev];
+   if (!tty) {
+    throw new FS.ErrnoError(43);
+   }
+   stream.tty = tty;
+   stream.seekable = false;
+  },
+  close: function(stream) {
+   stream.tty.ops.flush(stream.tty);
+  },
+  flush: function(stream) {
+   stream.tty.ops.flush(stream.tty);
+  },
+  read: function(stream, buffer, offset, length, pos) {
+   if (!stream.tty || !stream.tty.ops.get_char) {
+    throw new FS.ErrnoError(60);
+   }
+   var bytesRead = 0;
+   for (var i = 0; i < length; i++) {
+    var result;
+    try {
+     result = stream.tty.ops.get_char(stream.tty);
+    } catch (e) {
+     throw new FS.ErrnoError(29);
+    }
+    if (result === undefined && bytesRead === 0) {
+     throw new FS.ErrnoError(6);
+    }
+    if (result === null || result === undefined) break;
+    bytesRead++;
+    buffer[offset + i] = result;
+   }
+   if (bytesRead) {
+    stream.node.timestamp = Date.now();
+   }
+   return bytesRead;
+  },
+  write: function(stream, buffer, offset, length, pos) {
+   if (!stream.tty || !stream.tty.ops.put_char) {
+    throw new FS.ErrnoError(60);
+   }
+   try {
+    for (var i = 0; i < length; i++) {
+     stream.tty.ops.put_char(stream.tty, buffer[offset + i]);
+    }
+   } catch (e) {
+    throw new FS.ErrnoError(29);
+   }
+   if (length) {
+    stream.node.timestamp = Date.now();
+   }
+   return i;
+  }
+ },
+ default_tty_ops: {
+  get_char: function(tty) {
+   if (!tty.input.length) {
+    var result = null;
+    if (typeof window != "undefined" && typeof window.prompt == "function") {
+     result = window.prompt("Input: ");
+     if (result !== null) {
+      result += "\n";
+     }
+    } else if (typeof readline == "function") {
+     result = readline();
+     if (result !== null) {
+      result += "\n";
+     }
+    }
+    if (!result) {
+     return null;
+    }
+    tty.input = intArrayFromString(result, true);
+   }
+   return tty.input.shift();
+  },
+  put_char: function(tty, val) {
+   if (val === null || val === 10) {
+    out(UTF8ArrayToString(tty.output, 0));
+    tty.output = [];
+   } else {
+    if (val != 0) tty.output.push(val);
+   }
+  },
+  flush: function(tty) {
+   if (tty.output && tty.output.length > 0) {
+    out(UTF8ArrayToString(tty.output, 0));
+    tty.output = [];
+   }
+  }
+ },
+ default_tty1_ops: {
+  put_char: function(tty, val) {
+   if (val === null || val === 10) {
+    err(UTF8ArrayToString(tty.output, 0));
+    tty.output = [];
+   } else {
+    if (val != 0) tty.output.push(val);
+   }
+  },
+  flush: function(tty) {
+   if (tty.output && tty.output.length > 0) {
+    err(UTF8ArrayToString(tty.output, 0));
+    tty.output = [];
+   }
+  }
+ }
+};
+
+function alignMemory(size, alignment) {
+ assert(alignment, "alignment argument is required");
+ return Math.ceil(size / alignment) * alignment;
+}
+
+function mmapAlloc(size) {
+ size = alignMemory(size, 65536);
+ var ptr = _emscripten_builtin_memalign(65536, size);
+ if (!ptr) return 0;
+ zeroMemory(ptr, size);
+ return ptr;
+}
+
+var MEMFS = {
+ ops_table: null,
+ mount: function(mount) {
+  return MEMFS.createNode(null, "/", 16384 | 511, 0);
+ },
+ createNode: function(parent, name, mode, dev) {
+  if (FS.isBlkdev(mode) || FS.isFIFO(mode)) {
+   throw new FS.ErrnoError(63);
+  }
+  if (!MEMFS.ops_table) {
+   MEMFS.ops_table = {
+    dir: {
+     node: {
+      getattr: MEMFS.node_ops.getattr,
+      setattr: MEMFS.node_ops.setattr,
+      lookup: MEMFS.node_ops.lookup,
+      mknod: MEMFS.node_ops.mknod,
+      rename: MEMFS.node_ops.rename,
+      unlink: MEMFS.node_ops.unlink,
+      rmdir: MEMFS.node_ops.rmdir,
+      readdir: MEMFS.node_ops.readdir,
+      symlink: MEMFS.node_ops.symlink
+     },
+     stream: {
+      llseek: MEMFS.stream_ops.llseek
+     }
+    },
+    file: {
+     node: {
+      getattr: MEMFS.node_ops.getattr,
+      setattr: MEMFS.node_ops.setattr
+     },
+     stream: {
+      llseek: MEMFS.stream_ops.llseek,
+      read: MEMFS.stream_ops.read,
+      write: MEMFS.stream_ops.write,
+      allocate: MEMFS.stream_ops.allocate,
+      mmap: MEMFS.stream_ops.mmap,
+      msync: MEMFS.stream_ops.msync
+     }
+    },
+    link: {
+     node: {
+      getattr: MEMFS.node_ops.getattr,
+      setattr: MEMFS.node_ops.setattr,
+      readlink: MEMFS.node_ops.readlink
+     },
+     stream: {}
+    },
+    chrdev: {
+     node: {
+      getattr: MEMFS.node_ops.getattr,
+      setattr: MEMFS.node_ops.setattr
+     },
+     stream: FS.chrdev_stream_ops
+    }
+   };
+  }
+  var node = FS.createNode(parent, name, mode, dev);
+  if (FS.isDir(node.mode)) {
+   node.node_ops = MEMFS.ops_table.dir.node;
+   node.stream_ops = MEMFS.ops_table.dir.stream;
+   node.contents = {};
+  } else if (FS.isFile(node.mode)) {
+   node.node_ops = MEMFS.ops_table.file.node;
+   node.stream_ops = MEMFS.ops_table.file.stream;
+   node.usedBytes = 0;
+   node.contents = null;
+  } else if (FS.isLink(node.mode)) {
+   node.node_ops = MEMFS.ops_table.link.node;
+   node.stream_ops = MEMFS.ops_table.link.stream;
+  } else if (FS.isChrdev(node.mode)) {
+   node.node_ops = MEMFS.ops_table.chrdev.node;
+   node.stream_ops = MEMFS.ops_table.chrdev.stream;
+  }
+  node.timestamp = Date.now();
+  if (parent) {
+   parent.contents[name] = node;
+   parent.timestamp = node.timestamp;
+  }
+  return node;
+ },
+ getFileDataAsTypedArray: function(node) {
+  if (!node.contents) return new Uint8Array(0);
+  if (node.contents.subarray) return node.contents.subarray(0, node.usedBytes);
+  return new Uint8Array(node.contents);
+ },
+ expandFileStorage: function(node, newCapacity) {
+  var prevCapacity = node.contents ? node.contents.length : 0;
+  if (prevCapacity >= newCapacity) return;
+  var CAPACITY_DOUBLING_MAX = 1024 * 1024;
+  newCapacity = Math.max(newCapacity, prevCapacity * (prevCapacity < CAPACITY_DOUBLING_MAX ? 2 : 1.125) >>> 0);
+  if (prevCapacity != 0) newCapacity = Math.max(newCapacity, 256);
+  var oldContents = node.contents;
+  node.contents = new Uint8Array(newCapacity);
+  if (node.usedBytes > 0) node.contents.set(oldContents.subarray(0, node.usedBytes), 0);
+ },
+ resizeFileStorage: function(node, newSize) {
+  if (node.usedBytes == newSize) return;
+  if (newSize == 0) {
+   node.contents = null;
+   node.usedBytes = 0;
+  } else {
+   var oldContents = node.contents;
+   node.contents = new Uint8Array(newSize);
+   if (oldContents) {
+    node.contents.set(oldContents.subarray(0, Math.min(newSize, node.usedBytes)));
+   }
+   node.usedBytes = newSize;
+  }
+ },
+ node_ops: {
+  getattr: function(node) {
+   var attr = {};
+   attr.dev = FS.isChrdev(node.mode) ? node.id : 1;
+   attr.ino = node.id;
+   attr.mode = node.mode;
+   attr.nlink = 1;
+   attr.uid = 0;
+   attr.gid = 0;
+   attr.rdev = node.rdev;
+   if (FS.isDir(node.mode)) {
+    attr.size = 4096;
+   } else if (FS.isFile(node.mode)) {
+    attr.size = node.usedBytes;
+   } else if (FS.isLink(node.mode)) {
+    attr.size = node.link.length;
+   } else {
+    attr.size = 0;
+   }
+   attr.atime = new Date(node.timestamp);
+   attr.mtime = new Date(node.timestamp);
+   attr.ctime = new Date(node.timestamp);
+   attr.blksize = 4096;
+   attr.blocks = Math.ceil(attr.size / attr.blksize);
+   return attr;
+  },
+  setattr: function(node, attr) {
+   if (attr.mode !== undefined) {
+    node.mode = attr.mode;
+   }
+   if (attr.timestamp !== undefined) {
+    node.timestamp = attr.timestamp;
+   }
+   if (attr.size !== undefined) {
+    MEMFS.resizeFileStorage(node, attr.size);
+   }
+  },
+  lookup: function(parent, name) {
+   throw FS.genericErrors[44];
+  },
+  mknod: function(parent, name, mode, dev) {
+   return MEMFS.createNode(parent, name, mode, dev);
+  },
+  rename: function(old_node, new_dir, new_name) {
+   if (FS.isDir(old_node.mode)) {
+    var new_node;
+    try {
+     new_node = FS.lookupNode(new_dir, new_name);
+    } catch (e) {}
+    if (new_node) {
+     for (var i in new_node.contents) {
+      throw new FS.ErrnoError(55);
+     }
+    }
+   }
+   delete old_node.parent.contents[old_node.name];
+   old_node.parent.timestamp = Date.now();
+   old_node.name = new_name;
+   new_dir.contents[new_name] = old_node;
+   new_dir.timestamp = old_node.parent.timestamp;
+   old_node.parent = new_dir;
+  },
+  unlink: function(parent, name) {
+   delete parent.contents[name];
+   parent.timestamp = Date.now();
+  },
+  rmdir: function(parent, name) {
+   var node = FS.lookupNode(parent, name);
+   for (var i in node.contents) {
+    throw new FS.ErrnoError(55);
+   }
+   delete parent.contents[name];
+   parent.timestamp = Date.now();
+  },
+  readdir: function(node) {
+   var entries = [ ".", ".." ];
+   for (var key in node.contents) {
+    if (!node.contents.hasOwnProperty(key)) {
+     continue;
+    }
+    entries.push(key);
+   }
+   return entries;
+  },
+  symlink: function(parent, newname, oldpath) {
+   var node = MEMFS.createNode(parent, newname, 511 | 40960, 0);
+   node.link = oldpath;
+   return node;
+  },
+  readlink: function(node) {
+   if (!FS.isLink(node.mode)) {
+    throw new FS.ErrnoError(28);
+   }
+   return node.link;
+  }
+ },
+ stream_ops: {
+  read: function(stream, buffer, offset, length, position) {
+   var contents = stream.node.contents;
+   if (position >= stream.node.usedBytes) return 0;
+   var size = Math.min(stream.node.usedBytes - position, length);
+   assert(size >= 0);
+   if (size > 8 && contents.subarray) {
+    buffer.set(contents.subarray(position, position + size), offset);
+   } else {
+    for (var i = 0; i < size; i++) buffer[offset + i] = contents[position + i];
+   }
+   return size;
+  },
+  write: function(stream, buffer, offset, length, position, canOwn) {
+   assert(!(buffer instanceof ArrayBuffer));
+   if (buffer.buffer === GROWABLE_HEAP_I8().buffer) {
+    canOwn = false;
+   }
+   if (!length) return 0;
+   var node = stream.node;
+   node.timestamp = Date.now();
+   if (buffer.subarray && (!node.contents || node.contents.subarray)) {
+    if (canOwn) {
+     assert(position === 0, "canOwn must imply no weird position inside the file");
+     node.contents = buffer.subarray(offset, offset + length);
+     node.usedBytes = length;
+     return length;
+    } else if (node.usedBytes === 0 && position === 0) {
+     node.contents = buffer.slice(offset, offset + length);
+     node.usedBytes = length;
+     return length;
+    } else if (position + length <= node.usedBytes) {
+     node.contents.set(buffer.subarray(offset, offset + length), position);
+     return length;
+    }
+   }
+   MEMFS.expandFileStorage(node, position + length);
+   if (node.contents.subarray && buffer.subarray) {
+    node.contents.set(buffer.subarray(offset, offset + length), position);
+   } else {
+    for (var i = 0; i < length; i++) {
+     node.contents[position + i] = buffer[offset + i];
+    }
+   }
+   node.usedBytes = Math.max(node.usedBytes, position + length);
+   return length;
+  },
+  llseek: function(stream, offset, whence) {
+   var position = offset;
+   if (whence === 1) {
+    position += stream.position;
+   } else if (whence === 2) {
+    if (FS.isFile(stream.node.mode)) {
+     position += stream.node.usedBytes;
+    }
+   }
+   if (position < 0) {
+    throw new FS.ErrnoError(28);
+   }
+   return position;
+  },
+  allocate: function(stream, offset, length) {
+   MEMFS.expandFileStorage(stream.node, offset + length);
+   stream.node.usedBytes = Math.max(stream.node.usedBytes, offset + length);
+  },
+  mmap: function(stream, length, position, prot, flags) {
+   if (!FS.isFile(stream.node.mode)) {
+    throw new FS.ErrnoError(43);
+   }
+   var ptr;
+   var allocated;
+   var contents = stream.node.contents;
+   if (!(flags & 2) && contents.buffer === buffer) {
+    allocated = false;
+    ptr = contents.byteOffset;
+   } else {
+    if (position > 0 || position + length < contents.length) {
+     if (contents.subarray) {
+      contents = contents.subarray(position, position + length);
+     } else {
+      contents = Array.prototype.slice.call(contents, position, position + length);
+     }
+    }
+    allocated = true;
+    ptr = mmapAlloc(length);
+    if (!ptr) {
+     throw new FS.ErrnoError(48);
+    }
+    GROWABLE_HEAP_I8().set(contents, ptr);
+   }
+   return {
+    ptr: ptr,
+    allocated: allocated
+   };
+  },
+  msync: function(stream, buffer, offset, length, mmapFlags) {
+   if (!FS.isFile(stream.node.mode)) {
+    throw new FS.ErrnoError(43);
+   }
+   if (mmapFlags & 2) {
+    return 0;
+   }
+   var bytesWritten = MEMFS.stream_ops.write(stream, buffer, 0, length, offset, false);
+   return 0;
+  }
+ }
+};
+
+function asyncLoad(url, onload, onerror, noRunDep) {
+ var dep = !noRunDep ? getUniqueRunDependency("al " + url) : "";
+ readAsync(url, arrayBuffer => {
+  assert(arrayBuffer, 'Loading data file "' + url + '" failed (no arrayBuffer).');
+  onload(new Uint8Array(arrayBuffer));
+  if (dep) removeRunDependency(dep);
+ }, event => {
+  if (onerror) {
+   onerror();
+  } else {
+   throw 'Loading data file "' + url + '" failed.';
+  }
+ });
+ if (dep) addRunDependency(dep);
+}
+
+var IDBFS = {
+ dbs: {},
+ indexedDB: () => {
+  if (typeof indexedDB != "undefined") return indexedDB;
+  var ret = null;
+  if (typeof window == "object") ret = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
+  assert(ret, "IDBFS used, but indexedDB not supported");
+  return ret;
+ },
+ DB_VERSION: 21,
+ DB_STORE_NAME: "FILE_DATA",
+ mount: function(mount) {
+  return MEMFS.mount.apply(null, arguments);
+ },
+ syncfs: (mount, populate, callback) => {
+  IDBFS.getLocalSet(mount, (err, local) => {
+   if (err) return callback(err);
+   IDBFS.getRemoteSet(mount, (err, remote) => {
+    if (err) return callback(err);
+    var src = populate ? remote : local;
+    var dst = populate ? local : remote;
+    IDBFS.reconcile(src, dst, callback);
+   });
+  });
+ },
+ quit: () => {
+  Object.values(IDBFS.dbs).forEach(value => value.close());
+  IDBFS.dbs = {};
+ },
+ getDB: (name, callback) => {
+  var db = IDBFS.dbs[name];
+  if (db) {
+   return callback(null, db);
+  }
+  var req;
+  try {
+   req = IDBFS.indexedDB().open(name, IDBFS.DB_VERSION);
+  } catch (e) {
+   return callback(e);
+  }
+  if (!req) {
+   return callback("Unable to connect to IndexedDB");
+  }
+  req.onupgradeneeded = e => {
+   var db = e.target.result;
+   var transaction = e.target.transaction;
+   var fileStore;
+   if (db.objectStoreNames.contains(IDBFS.DB_STORE_NAME)) {
+    fileStore = transaction.objectStore(IDBFS.DB_STORE_NAME);
+   } else {
+    fileStore = db.createObjectStore(IDBFS.DB_STORE_NAME);
+   }
+   if (!fileStore.indexNames.contains("timestamp")) {
+    fileStore.createIndex("timestamp", "timestamp", {
+     unique: false
+    });
+   }
+  };
+  req.onsuccess = () => {
+   db = req.result;
+   IDBFS.dbs[name] = db;
+   callback(null, db);
+  };
+  req.onerror = e => {
+   callback(this.error);
+   e.preventDefault();
+  };
+ },
+ getLocalSet: (mount, callback) => {
+  var entries = {};
+  function isRealDir(p) {
+   return p !== "." && p !== "..";
+  }
+  function toAbsolute(root) {
+   return p => {
+    return PATH.join2(root, p);
+   };
+  }
+  var check = FS.readdir(mount.mountpoint).filter(isRealDir).map(toAbsolute(mount.mountpoint));
+  while (check.length) {
+   var path = check.pop();
+   var stat;
+   try {
+    stat = FS.stat(path);
+   } catch (e) {
+    return callback(e);
+   }
+   if (FS.isDir(stat.mode)) {
+    check.push.apply(check, FS.readdir(path).filter(isRealDir).map(toAbsolute(path)));
+   }
+   entries[path] = {
+    "timestamp": stat.mtime
+   };
+  }
+  return callback(null, {
+   type: "local",
+   entries: entries
+  });
+ },
+ getRemoteSet: (mount, callback) => {
+  var entries = {};
+  IDBFS.getDB(mount.mountpoint, (err, db) => {
+   if (err) return callback(err);
+   try {
+    var transaction = db.transaction([ IDBFS.DB_STORE_NAME ], "readonly");
+    transaction.onerror = e => {
+     callback(this.error);
+     e.preventDefault();
+    };
+    var store = transaction.objectStore(IDBFS.DB_STORE_NAME);
+    var index = store.index("timestamp");
+    index.openKeyCursor().onsuccess = event => {
+     var cursor = event.target.result;
+     if (!cursor) {
+      return callback(null, {
+       type: "remote",
+       db: db,
+       entries: entries
+      });
+     }
+     entries[cursor.primaryKey] = {
+      "timestamp": cursor.key
+     };
+     cursor.continue();
+    };
+   } catch (e) {
+    return callback(e);
+   }
+  });
+ },
+ loadLocalEntry: (path, callback) => {
+  var stat, node;
+  try {
+   var lookup = FS.lookupPath(path);
+   node = lookup.node;
+   stat = FS.stat(path);
+  } catch (e) {
+   return callback(e);
+  }
+  if (FS.isDir(stat.mode)) {
+   return callback(null, {
+    "timestamp": stat.mtime,
+    "mode": stat.mode
+   });
+  } else if (FS.isFile(stat.mode)) {
+   node.contents = MEMFS.getFileDataAsTypedArray(node);
+   return callback(null, {
+    "timestamp": stat.mtime,
+    "mode": stat.mode,
+    "contents": node.contents
+   });
+  } else {
+   return callback(new Error("node type not supported"));
+  }
+ },
+ storeLocalEntry: (path, entry, callback) => {
+  try {
+   if (FS.isDir(entry["mode"])) {
+    FS.mkdirTree(path, entry["mode"]);
+   } else if (FS.isFile(entry["mode"])) {
+    FS.writeFile(path, entry["contents"], {
+     canOwn: true
+    });
+   } else {
+    return callback(new Error("node type not supported"));
+   }
+   FS.chmod(path, entry["mode"]);
+   FS.utime(path, entry["timestamp"], entry["timestamp"]);
+  } catch (e) {
+   return callback(e);
+  }
+  callback(null);
+ },
+ removeLocalEntry: (path, callback) => {
+  try {
+   var stat = FS.stat(path);
+   if (FS.isDir(stat.mode)) {
+    FS.rmdir(path);
+   } else if (FS.isFile(stat.mode)) {
+    FS.unlink(path);
+   }
+  } catch (e) {
+   return callback(e);
+  }
+  callback(null);
+ },
+ loadRemoteEntry: (store, path, callback) => {
+  var req = store.get(path);
+  req.onsuccess = event => {
+   callback(null, event.target.result);
+  };
+  req.onerror = e => {
+   callback(this.error);
+   e.preventDefault();
+  };
+ },
+ storeRemoteEntry: (store, path, entry, callback) => {
+  try {
+   var req = store.put(entry, path);
+  } catch (e) {
+   callback(e);
+   return;
+  }
+  req.onsuccess = () => {
+   callback(null);
+  };
+  req.onerror = e => {
+   callback(this.error);
+   e.preventDefault();
+  };
+ },
+ removeRemoteEntry: (store, path, callback) => {
+  var req = store.delete(path);
+  req.onsuccess = () => {
+   callback(null);
+  };
+  req.onerror = e => {
+   callback(this.error);
+   e.preventDefault();
+  };
+ },
+ reconcile: (src, dst, callback) => {
+  var total = 0;
+  var create = [];
+  Object.keys(src.entries).forEach(function(key) {
+   var e = src.entries[key];
+   var e2 = dst.entries[key];
+   if (!e2 || e["timestamp"].getTime() != e2["timestamp"].getTime()) {
+    create.push(key);
+    total++;
+   }
+  });
+  var remove = [];
+  Object.keys(dst.entries).forEach(function(key) {
+   if (!src.entries[key]) {
+    remove.push(key);
+    total++;
+   }
+  });
+  if (!total) {
+   return callback(null);
+  }
+  var errored = false;
+  var db = src.type === "remote" ? src.db : dst.db;
+  var transaction = db.transaction([ IDBFS.DB_STORE_NAME ], "readwrite");
+  var store = transaction.objectStore(IDBFS.DB_STORE_NAME);
+  function done(err) {
+   if (err && !errored) {
+    errored = true;
+    return callback(err);
+   }
+  }
+  transaction.onerror = e => {
+   done(this.error);
+   e.preventDefault();
+  };
+  transaction.oncomplete = e => {
+   if (!errored) {
+    callback(null);
+   }
+  };
+  create.sort().forEach(path => {
+   if (dst.type === "local") {
+    IDBFS.loadRemoteEntry(store, path, (err, entry) => {
+     if (err) return done(err);
+     IDBFS.storeLocalEntry(path, entry, done);
+    });
+   } else {
+    IDBFS.loadLocalEntry(path, (err, entry) => {
+     if (err) return done(err);
+     IDBFS.storeRemoteEntry(store, path, entry, done);
+    });
+   }
+  });
+  remove.sort().reverse().forEach(path => {
+   if (dst.type === "local") {
+    IDBFS.removeLocalEntry(path, done);
+   } else {
+    IDBFS.removeRemoteEntry(store, path, done);
+   }
+  });
+ }
+};
+
+var ERRNO_MESSAGES = {
+ 0: "Success",
+ 1: "Arg list too long",
+ 2: "Permission denied",
+ 3: "Address already in use",
+ 4: "Address not available",
+ 5: "Address family not supported by protocol family",
+ 6: "No more processes",
+ 7: "Socket already connected",
+ 8: "Bad file number",
+ 9: "Trying to read unreadable message",
+ 10: "Mount device busy",
+ 11: "Operation canceled",
+ 12: "No children",
+ 13: "Connection aborted",
+ 14: "Connection refused",
+ 15: "Connection reset by peer",
+ 16: "File locking deadlock error",
+ 17: "Destination address required",
+ 18: "Math arg out of domain of func",
+ 19: "Quota exceeded",
+ 20: "File exists",
+ 21: "Bad address",
+ 22: "File too large",
+ 23: "Host is unreachable",
+ 24: "Identifier removed",
+ 25: "Illegal byte sequence",
+ 26: "Connection already in progress",
+ 27: "Interrupted system call",
+ 28: "Invalid argument",
+ 29: "I/O error",
+ 30: "Socket is already connected",
+ 31: "Is a directory",
+ 32: "Too many symbolic links",
+ 33: "Too many open files",
+ 34: "Too many links",
+ 35: "Message too long",
+ 36: "Multihop attempted",
+ 37: "File or path name too long",
+ 38: "Network interface is not configured",
+ 39: "Connection reset by network",
+ 40: "Network is unreachable",
+ 41: "Too many open files in system",
+ 42: "No buffer space available",
+ 43: "No such device",
+ 44: "No such file or directory",
+ 45: "Exec format error",
+ 46: "No record locks available",
+ 47: "The link has been severed",
+ 48: "Not enough core",
+ 49: "No message of desired type",
+ 50: "Protocol not available",
+ 51: "No space left on device",
+ 52: "Function not implemented",
+ 53: "Socket is not connected",
+ 54: "Not a directory",
+ 55: "Directory not empty",
+ 56: "State not recoverable",
+ 57: "Socket operation on non-socket",
+ 59: "Not a typewriter",
+ 60: "No such device or address",
+ 61: "Value too large for defined data type",
+ 62: "Previous owner died",
+ 63: "Not super-user",
+ 64: "Broken pipe",
+ 65: "Protocol error",
+ 66: "Unknown protocol",
+ 67: "Protocol wrong type for socket",
+ 68: "Math result not representable",
+ 69: "Read only file system",
+ 70: "Illegal seek",
+ 71: "No such process",
+ 72: "Stale file handle",
+ 73: "Connection timed out",
+ 74: "Text file busy",
+ 75: "Cross-device link",
+ 100: "Device not a stream",
+ 101: "Bad font file fmt",
+ 102: "Invalid slot",
+ 103: "Invalid request code",
+ 104: "No anode",
+ 105: "Block device required",
+ 106: "Channel number out of range",
+ 107: "Level 3 halted",
+ 108: "Level 3 reset",
+ 109: "Link number out of range",
+ 110: "Protocol driver not attached",
+ 111: "No CSI structure available",
+ 112: "Level 2 halted",
+ 113: "Invalid exchange",
+ 114: "Invalid request descriptor",
+ 115: "Exchange full",
+ 116: "No data (for no delay io)",
+ 117: "Timer expired",
+ 118: "Out of streams resources",
+ 119: "Machine is not on the network",
+ 120: "Package not installed",
+ 121: "The object is remote",
+ 122: "Advertise error",
+ 123: "Srmount error",
+ 124: "Communication error on send",
+ 125: "Cross mount point (not really error)",
+ 126: "Given log. name not unique",
+ 127: "f.d. invalid for this operation",
+ 128: "Remote address changed",
+ 129: "Can   access a needed shared lib",
+ 130: "Accessing a corrupted shared lib",
+ 131: ".lib section in a.out corrupted",
+ 132: "Attempting to link in too many libs",
+ 133: "Attempting to exec a shared library",
+ 135: "Streams pipe error",
+ 136: "Too many users",
+ 137: "Socket type not supported",
+ 138: "Not supported",
+ 139: "Protocol family not supported",
+ 140: "Can't send after socket shutdown",
+ 141: "Too many references",
+ 142: "Host is down",
+ 148: "No medium (in tape drive)",
+ 156: "Level 2 not synchronized"
+};
+
+var ERRNO_CODES = {};
+
+var FS = {
+ root: null,
+ mounts: [],
+ devices: {},
+ streams: [],
+ nextInode: 1,
+ nameTable: null,
+ currentPath: "/",
+ initialized: false,
+ ignorePermissions: true,
+ ErrnoError: null,
+ genericErrors: {},
+ filesystems: null,
+ syncFSRequests: 0,
+ lookupPath: (path, opts = {}) => {
+  path = PATH_FS.resolve(FS.cwd(), path);
+  if (!path) return {
+   path: "",
+   node: null
+  };
+  var defaults = {
+   follow_mount: true,
+   recurse_count: 0
+  };
+  opts = Object.assign(defaults, opts);
+  if (opts.recurse_count > 8) {
+   throw new FS.ErrnoError(32);
+  }
+  var parts = PATH.normalizeArray(path.split("/").filter(p => !!p), false);
+  var current = FS.root;
+  var current_path = "/";
+  for (var i = 0; i < parts.length; i++) {
+   var islast = i === parts.length - 1;
+   if (islast && opts.parent) {
+    break;
+   }
+   current = FS.lookupNode(current, parts[i]);
+   current_path = PATH.join2(current_path, parts[i]);
+   if (FS.isMountpoint(current)) {
+    if (!islast || islast && opts.follow_mount) {
+     current = current.mounted.root;
+    }
+   }
+   if (!islast || opts.follow) {
+    var count = 0;
+    while (FS.isLink(current.mode)) {
+     var link = FS.readlink(current_path);
+     current_path = PATH_FS.resolve(PATH.dirname(current_path), link);
+     var lookup = FS.lookupPath(current_path, {
+      recurse_count: opts.recurse_count + 1
+     });
+     current = lookup.node;
+     if (count++ > 40) {
+      throw new FS.ErrnoError(32);
+     }
+    }
+   }
+  }
+  return {
+   path: current_path,
+   node: current
+  };
+ },
+ getPath: node => {
+  var path;
+  while (true) {
+   if (FS.isRoot(node)) {
+    var mount = node.mount.mountpoint;
+    if (!path) return mount;
+    return mount[mount.length - 1] !== "/" ? mount + "/" + path : mount + path;
+   }
+   path = path ? node.name + "/" + path : node.name;
+   node = node.parent;
+  }
+ },
+ hashName: (parentid, name) => {
+  var hash = 0;
+  for (var i = 0; i < name.length; i++) {
+   hash = (hash << 5) - hash + name.charCodeAt(i) | 0;
+  }
+  return (parentid + hash >>> 0) % FS.nameTable.length;
+ },
+ hashAddNode: node => {
+  var hash = FS.hashName(node.parent.id, node.name);
+  node.name_next = FS.nameTable[hash];
+  FS.nameTable[hash] = node;
+ },
+ hashRemoveNode: node => {
+  var hash = FS.hashName(node.parent.id, node.name);
+  if (FS.nameTable[hash] === node) {
+   FS.nameTable[hash] = node.name_next;
+  } else {
+   var current = FS.nameTable[hash];
+   while (current) {
+    if (current.name_next === node) {
+     current.name_next = node.name_next;
+     break;
+    }
+    current = current.name_next;
+   }
+  }
+ },
+ lookupNode: (parent, name) => {
+  var errCode = FS.mayLookup(parent);
+  if (errCode) {
+   throw new FS.ErrnoError(errCode, parent);
+  }
+  var hash = FS.hashName(parent.id, name);
+  for (var node = FS.nameTable[hash]; node; node = node.name_next) {
+   var nodeName = node.name;
+   if (node.parent.id === parent.id && nodeName === name) {
+    return node;
+   }
+  }
+  return FS.lookup(parent, name);
+ },
+ createNode: (parent, name, mode, rdev) => {
+  assert(typeof parent == "object");
+  var node = new FS.FSNode(parent, name, mode, rdev);
+  FS.hashAddNode(node);
+  return node;
+ },
+ destroyNode: node => {
+  FS.hashRemoveNode(node);
+ },
+ isRoot: node => {
+  return node === node.parent;
+ },
+ isMountpoint: node => {
+  return !!node.mounted;
+ },
+ isFile: mode => {
+  return (mode & 61440) === 32768;
+ },
+ isDir: mode => {
+  return (mode & 61440) === 16384;
+ },
+ isLink: mode => {
+  return (mode & 61440) === 40960;
+ },
+ isChrdev: mode => {
+  return (mode & 61440) === 8192;
+ },
+ isBlkdev: mode => {
+  return (mode & 61440) === 24576;
+ },
+ isFIFO: mode => {
+  return (mode & 61440) === 4096;
+ },
+ isSocket: mode => {
+  return (mode & 49152) === 49152;
+ },
+ flagModes: {
+  "r": 0,
+  "r+": 2,
+  "w": 577,
+  "w+": 578,
+  "a": 1089,
+  "a+": 1090
+ },
+ modeStringToFlags: str => {
+  var flags = FS.flagModes[str];
+  if (typeof flags == "undefined") {
+   throw new Error("Unknown file open mode: " + str);
+  }
+  return flags;
+ },
+ flagsToPermissionString: flag => {
+  var perms = [ "r", "w", "rw" ][flag & 3];
+  if (flag & 512) {
+   perms += "w";
+  }
+  return perms;
+ },
+ nodePermissions: (node, perms) => {
+  if (FS.ignorePermissions) {
+   return 0;
+  }
+  if (perms.includes("r") && !(node.mode & 292)) {
+   return 2;
+  } else if (perms.includes("w") && !(node.mode & 146)) {
+   return 2;
+  } else if (perms.includes("x") && !(node.mode & 73)) {
+   return 2;
+  }
+  return 0;
+ },
+ mayLookup: dir => {
+  var errCode = FS.nodePermissions(dir, "x");
+  if (errCode) return errCode;
+  if (!dir.node_ops.lookup) return 2;
+  return 0;
+ },
+ mayCreate: (dir, name) => {
+  try {
+   var node = FS.lookupNode(dir, name);
+   return 20;
+  } catch (e) {}
+  return FS.nodePermissions(dir, "wx");
+ },
+ mayDelete: (dir, name, isdir) => {
+  var node;
+  try {
+   node = FS.lookupNode(dir, name);
+  } catch (e) {
+   return e.errno;
+  }
+  var errCode = FS.nodePermissions(dir, "wx");
+  if (errCode) {
+   return errCode;
+  }
+  if (isdir) {
+   if (!FS.isDir(node.mode)) {
+    return 54;
+   }
+   if (FS.isRoot(node) || FS.getPath(node) === FS.cwd()) {
+    return 10;
+   }
+  } else {
+   if (FS.isDir(node.mode)) {
+    return 31;
+   }
+  }
+  return 0;
+ },
+ mayOpen: (node, flags) => {
+  if (!node) {
+   return 44;
+  }
+  if (FS.isLink(node.mode)) {
+   return 32;
+  } else if (FS.isDir(node.mode)) {
+   if (FS.flagsToPermissionString(flags) !== "r" || flags & 512) {
+    return 31;
+   }
+  }
+  return FS.nodePermissions(node, FS.flagsToPermissionString(flags));
+ },
+ MAX_OPEN_FDS: 4096,
+ nextfd: (fd_start = 0, fd_end = FS.MAX_OPEN_FDS) => {
+  for (var fd = fd_start; fd <= fd_end; fd++) {
+   if (!FS.streams[fd]) {
+    return fd;
+   }
+  }
+  throw new FS.ErrnoError(33);
+ },
+ getStream: fd => FS.streams[fd],
+ createStream: (stream, fd_start, fd_end) => {
+  if (!FS.FSStream) {
+   FS.FSStream = function() {
+    this.shared = {};
+   };
+   FS.FSStream.prototype = {};
+   Object.defineProperties(FS.FSStream.prototype, {
+    object: {
+     get: function() {
+      return this.node;
+     },
+     set: function(val) {
+      this.node = val;
+     }
+    },
+    isRead: {
+     get: function() {
+      return (this.flags & 2097155) !== 1;
+     }
+    },
+    isWrite: {
+     get: function() {
+      return (this.flags & 2097155) !== 0;
+     }
+    },
+    isAppend: {
+     get: function() {
+      return this.flags & 1024;
+     }
+    },
+    flags: {
+     get: function() {
+      return this.shared.flags;
+     },
+     set: function(val) {
+      this.shared.flags = val;
+     }
+    },
+    position: {
+     get: function() {
+      return this.shared.position;
+     },
+     set: function(val) {
+      this.shared.position = val;
+     }
+    }
+   });
+  }
+  stream = Object.assign(new FS.FSStream(), stream);
+  var fd = FS.nextfd(fd_start, fd_end);
+  stream.fd = fd;
+  FS.streams[fd] = stream;
+  return stream;
+ },
+ closeStream: fd => {
+  FS.streams[fd] = null;
+ },
+ chrdev_stream_ops: {
+  open: stream => {
+   var device = FS.getDevice(stream.node.rdev);
+   stream.stream_ops = device.stream_ops;
+   if (stream.stream_ops.open) {
+    stream.stream_ops.open(stream);
+   }
+  },
+  llseek: () => {
+   throw new FS.ErrnoError(70);
+  }
+ },
+ major: dev => dev >> 8,
+ minor: dev => dev & 255,
+ makedev: (ma, mi) => ma << 8 | mi,
+ registerDevice: (dev, ops) => {
+  FS.devices[dev] = {
+   stream_ops: ops
+  };
+ },
+ getDevice: dev => FS.devices[dev],
+ getMounts: mount => {
+  var mounts = [];
+  var check = [ mount ];
+  while (check.length) {
+   var m = check.pop();
+   mounts.push(m);
+   check.push.apply(check, m.mounts);
+  }
+  return mounts;
+ },
+ syncfs: (populate, callback) => {
+  if (typeof populate == "function") {
+   callback = populate;
+   populate = false;
+  }
+  FS.syncFSRequests++;
+  if (FS.syncFSRequests > 1) {
+   err("warning: " + FS.syncFSRequests + " FS.syncfs operations in flight at once, probably just doing extra work");
+  }
+  var mounts = FS.getMounts(FS.root.mount);
+  var completed = 0;
+  function doCallback(errCode) {
+   assert(FS.syncFSRequests > 0);
+   FS.syncFSRequests--;
+   return callback(errCode);
+  }
+  function done(errCode) {
+   if (errCode) {
+    if (!done.errored) {
+     done.errored = true;
+     return doCallback(errCode);
+    }
+    return;
+   }
+   if (++completed >= mounts.length) {
+    doCallback(null);
+   }
+  }
+  mounts.forEach(mount => {
+   if (!mount.type.syncfs) {
+    return done(null);
+   }
+   mount.type.syncfs(mount, populate, done);
+  });
+ },
+ mount: (type, opts, mountpoint) => {
+  if (typeof type == "string") {
+   throw type;
+  }
+  var root = mountpoint === "/";
+  var pseudo = !mountpoint;
+  var node;
+  if (root && FS.root) {
+   throw new FS.ErrnoError(10);
+  } else if (!root && !pseudo) {
+   var lookup = FS.lookupPath(mountpoint, {
+    follow_mount: false
+   });
+   mountpoint = lookup.path;
+   node = lookup.node;
+   if (FS.isMountpoint(node)) {
+    throw new FS.ErrnoError(10);
+   }
+   if (!FS.isDir(node.mode)) {
+    throw new FS.ErrnoError(54);
+   }
+  }
+  var mount = {
+   type: type,
+   opts: opts,
+   mountpoint: mountpoint,
+   mounts: []
+  };
+  var mountRoot = type.mount(mount);
+  mountRoot.mount = mount;
+  mount.root = mountRoot;
+  if (root) {
+   FS.root = mountRoot;
+  } else if (node) {
+   node.mounted = mount;
+   if (node.mount) {
+    node.mount.mounts.push(mount);
+   }
+  }
+  return mountRoot;
+ },
+ unmount: mountpoint => {
+  var lookup = FS.lookupPath(mountpoint, {
+   follow_mount: false
+  });
+  if (!FS.isMountpoint(lookup.node)) {
+   throw new FS.ErrnoError(28);
+  }
+  var node = lookup.node;
+  var mount = node.mounted;
+  var mounts = FS.getMounts(mount);
+  Object.keys(FS.nameTable).forEach(hash => {
+   var current = FS.nameTable[hash];
+   while (current) {
+    var next = current.name_next;
+    if (mounts.includes(current.mount)) {
+     FS.destroyNode(current);
+    }
+    current = next;
+   }
+  });
+  node.mounted = null;
+  var idx = node.mount.mounts.indexOf(mount);
+  assert(idx !== -1);
+  node.mount.mounts.splice(idx, 1);
+ },
+ lookup: (parent, name) => {
+  return parent.node_ops.lookup(parent, name);
+ },
+ mknod: (path, mode, dev) => {
+  var lookup = FS.lookupPath(path, {
+   parent: true
+  });
+  var parent = lookup.node;
+  var name = PATH.basename(path);
+  if (!name || name === "." || name === "..") {
+   throw new FS.ErrnoError(28);
+  }
+  var errCode = FS.mayCreate(parent, name);
+  if (errCode) {
+   throw new FS.ErrnoError(errCode);
+  }
+  if (!parent.node_ops.mknod) {
+   throw new FS.ErrnoError(63);
+  }
+  return parent.node_ops.mknod(parent, name, mode, dev);
+ },
+ create: (path, mode) => {
+  mode = mode !== undefined ? mode : 438;
+  mode &= 4095;
+  mode |= 32768;
+  return FS.mknod(path, mode, 0);
+ },
+ mkdir: (path, mode) => {
+  mode = mode !== undefined ? mode : 511;
+  mode &= 511 | 512;
+  mode |= 16384;
+  return FS.mknod(path, mode, 0);
+ },
+ mkdirTree: (path, mode) => {
+  var dirs = path.split("/");
+  var d = "";
+  for (var i = 0; i < dirs.length; ++i) {
+   if (!dirs[i]) continue;
+   d += "/" + dirs[i];
+   try {
+    FS.mkdir(d, mode);
+   } catch (e) {
+    if (e.errno != 20) throw e;
+   }
+  }
+ },
+ mkdev: (path, mode, dev) => {
+  if (typeof dev == "undefined") {
+   dev = mode;
+   mode = 438;
+  }
+  mode |= 8192;
+  return FS.mknod(path, mode, dev);
+ },
+ symlink: (oldpath, newpath) => {
+  if (!PATH_FS.resolve(oldpath)) {
+   throw new FS.ErrnoError(44);
+  }
+  var lookup = FS.lookupPath(newpath, {
+   parent: true
+  });
+  var parent = lookup.node;
+  if (!parent) {
+   throw new FS.ErrnoError(44);
+  }
+  var newname = PATH.basename(newpath);
+  var errCode = FS.mayCreate(parent, newname);
+  if (errCode) {
+   throw new FS.ErrnoError(errCode);
+  }
+  if (!parent.node_ops.symlink) {
+   throw new FS.ErrnoError(63);
+  }
+  return parent.node_ops.symlink(parent, newname, oldpath);
+ },
+ rename: (old_path, new_path) => {
+  var old_dirname = PATH.dirname(old_path);
+  var new_dirname = PATH.dirname(new_path);
+  var old_name = PATH.basename(old_path);
+  var new_name = PATH.basename(new_path);
+  var lookup, old_dir, new_dir;
+  lookup = FS.lookupPath(old_path, {
+   parent: true
+  });
+  old_dir = lookup.node;
+  lookup = FS.lookupPath(new_path, {
+   parent: true
+  });
+  new_dir = lookup.node;
+  if (!old_dir || !new_dir) throw new FS.ErrnoError(44);
+  if (old_dir.mount !== new_dir.mount) {
+   throw new FS.ErrnoError(75);
+  }
+  var old_node = FS.lookupNode(old_dir, old_name);
+  var relative = PATH_FS.relative(old_path, new_dirname);
+  if (relative.charAt(0) !== ".") {
+   throw new FS.ErrnoError(28);
+  }
+  relative = PATH_FS.relative(new_path, old_dirname);
+  if (relative.charAt(0) !== ".") {
+   throw new FS.ErrnoError(55);
+  }
+  var new_node;
+  try {
+   new_node = FS.lookupNode(new_dir, new_name);
+  } catch (e) {}
+  if (old_node === new_node) {
+   return;
+  }
+  var isdir = FS.isDir(old_node.mode);
+  var errCode = FS.mayDelete(old_dir, old_name, isdir);
+  if (errCode) {
+   throw new FS.ErrnoError(errCode);
+  }
+  errCode = new_node ? FS.mayDelete(new_dir, new_name, isdir) : FS.mayCreate(new_dir, new_name);
+  if (errCode) {
+   throw new FS.ErrnoError(errCode);
+  }
+  if (!old_dir.node_ops.rename) {
+   throw new FS.ErrnoError(63);
+  }
+  if (FS.isMountpoint(old_node) || new_node && FS.isMountpoint(new_node)) {
+   throw new FS.ErrnoError(10);
+  }
+  if (new_dir !== old_dir) {
+   errCode = FS.nodePermissions(old_dir, "w");
+   if (errCode) {
+    throw new FS.ErrnoError(errCode);
+   }
+  }
+  FS.hashRemoveNode(old_node);
+  try {
+   old_dir.node_ops.rename(old_node, new_dir, new_name);
+  } catch (e) {
+   throw e;
+  } finally {
+   FS.hashAddNode(old_node);
+  }
+ },
+ rmdir: path => {
+  var lookup = FS.lookupPath(path, {
+   parent: true
+  });
+  var parent = lookup.node;
+  var name = PATH.basename(path);
+  var node = FS.lookupNode(parent, name);
+  var errCode = FS.mayDelete(parent, name, true);
+  if (errCode) {
+   throw new FS.ErrnoError(errCode);
+  }
+  if (!parent.node_ops.rmdir) {
+   throw new FS.ErrnoError(63);
+  }
+  if (FS.isMountpoint(node)) {
+   throw new FS.ErrnoError(10);
+  }
+  parent.node_ops.rmdir(parent, name);
+  FS.destroyNode(node);
+ },
+ readdir: path => {
+  var lookup = FS.lookupPath(path, {
+   follow: true
+  });
+  var node = lookup.node;
+  if (!node.node_ops.readdir) {
+   throw new FS.ErrnoError(54);
+  }
+  return node.node_ops.readdir(node);
+ },
+ unlink: path => {
+  var lookup = FS.lookupPath(path, {
+   parent: true
+  });
+  var parent = lookup.node;
+  if (!parent) {
+   throw new FS.ErrnoError(44);
+  }
+  var name = PATH.basename(path);
+  var node = FS.lookupNode(parent, name);
+  var errCode = FS.mayDelete(parent, name, false);
+  if (errCode) {
+   throw new FS.ErrnoError(errCode);
+  }
+  if (!parent.node_ops.unlink) {
+   throw new FS.ErrnoError(63);
+  }
+  if (FS.isMountpoint(node)) {
+   throw new FS.ErrnoError(10);
+  }
+  parent.node_ops.unlink(parent, name);
+  FS.destroyNode(node);
+ },
+ readlink: path => {
+  var lookup = FS.lookupPath(path);
+  var link = lookup.node;
+  if (!link) {
+   throw new FS.ErrnoError(44);
+  }
+  if (!link.node_ops.readlink) {
+   throw new FS.ErrnoError(28);
+  }
+  return PATH_FS.resolve(FS.getPath(link.parent), link.node_ops.readlink(link));
+ },
+ stat: (path, dontFollow) => {
+  var lookup = FS.lookupPath(path, {
+   follow: !dontFollow
+  });
+  var node = lookup.node;
+  if (!node) {
+   throw new FS.ErrnoError(44);
+  }
+  if (!node.node_ops.getattr) {
+   throw new FS.ErrnoError(63);
+  }
+  return node.node_ops.getattr(node);
+ },
+ lstat: path => {
+  return FS.stat(path, true);
+ },
+ chmod: (path, mode, dontFollow) => {
+  var node;
+  if (typeof path == "string") {
+   var lookup = FS.lookupPath(path, {
+    follow: !dontFollow
+   });
+   node = lookup.node;
+  } else {
+   node = path;
+  }
+  if (!node.node_ops.setattr) {
+   throw new FS.ErrnoError(63);
+  }
+  node.node_ops.setattr(node, {
+   mode: mode & 4095 | node.mode & ~4095,
+   timestamp: Date.now()
+  });
+ },
+ lchmod: (path, mode) => {
+  FS.chmod(path, mode, true);
+ },
+ fchmod: (fd, mode) => {
+  var stream = FS.getStream(fd);
+  if (!stream) {
+   throw new FS.ErrnoError(8);
+  }
+  FS.chmod(stream.node, mode);
+ },
+ chown: (path, uid, gid, dontFollow) => {
+  var node;
+  if (typeof path == "string") {
+   var lookup = FS.lookupPath(path, {
+    follow: !dontFollow
+   });
+   node = lookup.node;
+  } else {
+   node = path;
+  }
+  if (!node.node_ops.setattr) {
+   throw new FS.ErrnoError(63);
+  }
+  node.node_ops.setattr(node, {
+   timestamp: Date.now()
+  });
+ },
+ lchown: (path, uid, gid) => {
+  FS.chown(path, uid, gid, true);
+ },
+ fchown: (fd, uid, gid) => {
+  var stream = FS.getStream(fd);
+  if (!stream) {
+   throw new FS.ErrnoError(8);
+  }
+  FS.chown(stream.node, uid, gid);
+ },
+ truncate: (path, len) => {
+  if (len < 0) {
+   throw new FS.ErrnoError(28);
+  }
+  var node;
+  if (typeof path == "string") {
+   var lookup = FS.lookupPath(path, {
+    follow: true
+   });
+   node = lookup.node;
+  } else {
+   node = path;
+  }
+  if (!node.node_ops.setattr) {
+   throw new FS.ErrnoError(63);
+  }
+  if (FS.isDir(node.mode)) {
+   throw new FS.ErrnoError(31);
+  }
+  if (!FS.isFile(node.mode)) {
+   throw new FS.ErrnoError(28);
+  }
+  var errCode = FS.nodePermissions(node, "w");
+  if (errCode) {
+   throw new FS.ErrnoError(errCode);
+  }
+  node.node_ops.setattr(node, {
+   size: len,
+   timestamp: Date.now()
+  });
+ },
+ ftruncate: (fd, len) => {
+  var stream = FS.getStream(fd);
+  if (!stream) {
+   throw new FS.ErrnoError(8);
+  }
+  if ((stream.flags & 2097155) === 0) {
+   throw new FS.ErrnoError(28);
+  }
+  FS.truncate(stream.node, len);
+ },
+ utime: (path, atime, mtime) => {
+  var lookup = FS.lookupPath(path, {
+   follow: true
+  });
+  var node = lookup.node;
+  node.node_ops.setattr(node, {
+   timestamp: Math.max(atime, mtime)
+  });
+ },
+ open: (path, flags, mode) => {
+  if (path === "") {
+   throw new FS.ErrnoError(44);
+  }
+  flags = typeof flags == "string" ? FS.modeStringToFlags(flags) : flags;
+  mode = typeof mode == "undefined" ? 438 : mode;
+  if (flags & 64) {
+   mode = mode & 4095 | 32768;
+  } else {
+   mode = 0;
+  }
+  var node;
+  if (typeof path == "object") {
+   node = path;
+  } else {
+   path = PATH.normalize(path);
+   try {
+    var lookup = FS.lookupPath(path, {
+     follow: !(flags & 131072)
+    });
+    node = lookup.node;
+   } catch (e) {}
+  }
+  var created = false;
+  if (flags & 64) {
+   if (node) {
+    if (flags & 128) {
+     throw new FS.ErrnoError(20);
+    }
+   } else {
+    node = FS.mknod(path, mode, 0);
+    created = true;
+   }
+  }
+  if (!node) {
+   throw new FS.ErrnoError(44);
+  }
+  if (FS.isChrdev(node.mode)) {
+   flags &= ~512;
+  }
+  if (flags & 65536 && !FS.isDir(node.mode)) {
+   throw new FS.ErrnoError(54);
+  }
+  if (!created) {
+   var errCode = FS.mayOpen(node, flags);
+   if (errCode) {
+    throw new FS.ErrnoError(errCode);
+   }
+  }
+  if (flags & 512 && !created) {
+   FS.truncate(node, 0);
+  }
+  flags &= ~(128 | 512 | 131072);
+  var stream = FS.createStream({
+   node: node,
+   path: FS.getPath(node),
+   flags: flags,
+   seekable: true,
+   position: 0,
+   stream_ops: node.stream_ops,
+   ungotten: [],
+   error: false
+  });
+  if (stream.stream_ops.open) {
+   stream.stream_ops.open(stream);
+  }
+  if (Module["logReadFiles"] && !(flags & 1)) {
+   if (!FS.readFiles) FS.readFiles = {};
+   if (!(path in FS.readFiles)) {
+    FS.readFiles[path] = 1;
+   }
+  }
+  return stream;
+ },
+ close: stream => {
+  if (FS.isClosed(stream)) {
+   throw new FS.ErrnoError(8);
+  }
+  if (stream.getdents) stream.getdents = null;
+  try {
+   if (stream.stream_ops.close) {
+    stream.stream_ops.close(stream);
+   }
+  } catch (e) {
+   throw e;
+  } finally {
+   FS.closeStream(stream.fd);
+  }
+  stream.fd = null;
+ },
+ isClosed: stream => {
+  return stream.fd === null;
+ },
+ llseek: (stream, offset, whence) => {
+  if (FS.isClosed(stream)) {
+   throw new FS.ErrnoError(8);
+  }
+  if (!stream.seekable || !stream.stream_ops.llseek) {
+   throw new FS.ErrnoError(70);
+  }
+  if (whence != 0 && whence != 1 && whence != 2) {
+   throw new FS.ErrnoError(28);
+  }
+  stream.position = stream.stream_ops.llseek(stream, offset, whence);
+  stream.ungotten = [];
+  return stream.position;
+ },
+ read: (stream, buffer, offset, length, position) => {
+  if (length < 0 || position < 0) {
+   throw new FS.ErrnoError(28);
+  }
+  if (FS.isClosed(stream)) {
+   throw new FS.ErrnoError(8);
+  }
+  if ((stream.flags & 2097155) === 1) {
+   throw new FS.ErrnoError(8);
+  }
+  if (FS.isDir(stream.node.mode)) {
+   throw new FS.ErrnoError(31);
+  }
+  if (!stream.stream_ops.read) {
+   throw new FS.ErrnoError(28);
+  }
+  var seeking = typeof position != "undefined";
+  if (!seeking) {
+   position = stream.position;
+  } else if (!stream.seekable) {
+   throw new FS.ErrnoError(70);
+  }
+  var bytesRead = stream.stream_ops.read(stream, buffer, offset, length, position);
+  if (!seeking) stream.position += bytesRead;
+  return bytesRead;
+ },
+ write: (stream, buffer, offset, length, position, canOwn) => {
+  if (length < 0 || position < 0) {
+   throw new FS.ErrnoError(28);
+  }
+  if (FS.isClosed(stream)) {
+   throw new FS.ErrnoError(8);
+  }
+  if ((stream.flags & 2097155) === 0) {
+   throw new FS.ErrnoError(8);
+  }
+  if (FS.isDir(stream.node.mode)) {
+   throw new FS.ErrnoError(31);
+  }
+  if (!stream.stream_ops.write) {
+   throw new FS.ErrnoError(28);
+  }
+  if (stream.seekable && stream.flags & 1024) {
+   FS.llseek(stream, 0, 2);
+  }
+  var seeking = typeof position != "undefined";
+  if (!seeking) {
+   position = stream.position;
+  } else if (!stream.seekable) {
+   throw new FS.ErrnoError(70);
+  }
+  var bytesWritten = stream.stream_ops.write(stream, buffer, offset, length, position, canOwn);
+  if (!seeking) stream.position += bytesWritten;
+  return bytesWritten;
+ },
+ allocate: (stream, offset, length) => {
+  if (FS.isClosed(stream)) {
+   throw new FS.ErrnoError(8);
+  }
+  if (offset < 0 || length <= 0) {
+   throw new FS.ErrnoError(28);
+  }
+  if ((stream.flags & 2097155) === 0) {
+   throw new FS.ErrnoError(8);
+  }
+  if (!FS.isFile(stream.node.mode) && !FS.isDir(stream.node.mode)) {
+   throw new FS.ErrnoError(43);
+  }
+  if (!stream.stream_ops.allocate) {
+   throw new FS.ErrnoError(138);
+  }
+  stream.stream_ops.allocate(stream, offset, length);
+ },
+ mmap: (stream, length, position, prot, flags) => {
+  if ((prot & 2) !== 0 && (flags & 2) === 0 && (stream.flags & 2097155) !== 2) {
+   throw new FS.ErrnoError(2);
+  }
+  if ((stream.flags & 2097155) === 1) {
+   throw new FS.ErrnoError(2);
+  }
+  if (!stream.stream_ops.mmap) {
+   throw new FS.ErrnoError(43);
+  }
+  return stream.stream_ops.mmap(stream, length, position, prot, flags);
+ },
+ msync: (stream, buffer, offset, length, mmapFlags) => {
+  if (!stream || !stream.stream_ops.msync) {
+   return 0;
+  }
+  return stream.stream_ops.msync(stream, buffer, offset, length, mmapFlags);
+ },
+ munmap: stream => 0,
+ ioctl: (stream, cmd, arg) => {
+  if (!stream.stream_ops.ioctl) {
+   throw new FS.ErrnoError(59);
+  }
+  return stream.stream_ops.ioctl(stream, cmd, arg);
+ },
+ readFile: (path, opts = {}) => {
+  opts.flags = opts.flags || 0;
+  opts.encoding = opts.encoding || "binary";
+  if (opts.encoding !== "utf8" && opts.encoding !== "binary") {
+   throw new Error('Invalid encoding type "' + opts.encoding + '"');
+  }
+  var ret;
+  var stream = FS.open(path, opts.flags);
+  var stat = FS.stat(path);
+  var length = stat.size;
+  var buf = new Uint8Array(length);
+  FS.read(stream, buf, 0, length, 0);
+  if (opts.encoding === "utf8") {
+   ret = UTF8ArrayToString(buf, 0);
+  } else if (opts.encoding === "binary") {
+   ret = buf;
+  }
+  FS.close(stream);
+  return ret;
+ },
+ writeFile: (path, data, opts = {}) => {
+  opts.flags = opts.flags || 577;
+  var stream = FS.open(path, opts.flags, opts.mode);
+  if (typeof data == "string") {
+   var buf = new Uint8Array(lengthBytesUTF8(data) + 1);
+   var actualNumBytes = stringToUTF8Array(data, buf, 0, buf.length);
+   FS.write(stream, buf, 0, actualNumBytes, undefined, opts.canOwn);
+  } else if (ArrayBuffer.isView(data)) {
+   FS.write(stream, data, 0, data.byteLength, undefined, opts.canOwn);
+  } else {
+   throw new Error("Unsupported data type");
+  }
+  FS.close(stream);
+ },
+ cwd: () => FS.currentPath,
+ chdir: path => {
+  var lookup = FS.lookupPath(path, {
+   follow: true
+  });
+  if (lookup.node === null) {
+   throw new FS.ErrnoError(44);
+  }
+  if (!FS.isDir(lookup.node.mode)) {
+   throw new FS.ErrnoError(54);
+  }
+  var errCode = FS.nodePermissions(lookup.node, "x");
+  if (errCode) {
+   throw new FS.ErrnoError(errCode);
+  }
+  FS.currentPath = lookup.path;
+ },
+ createDefaultDirectories: () => {
+  FS.mkdir("/tmp");
+  FS.mkdir("/home");
+  FS.mkdir("/home/web_user");
+ },
+ createDefaultDevices: () => {
+  FS.mkdir("/dev");
+  FS.registerDevice(FS.makedev(1, 3), {
+   read: () => 0,
+   write: (stream, buffer, offset, length, pos) => length
+  });
+  FS.mkdev("/dev/null", FS.makedev(1, 3));
+  TTY.register(FS.makedev(5, 0), TTY.default_tty_ops);
+  TTY.register(FS.makedev(6, 0), TTY.default_tty1_ops);
+  FS.mkdev("/dev/tty", FS.makedev(5, 0));
+  FS.mkdev("/dev/tty1", FS.makedev(6, 0));
+  var random_device = getRandomDevice();
+  FS.createDevice("/dev", "random", random_device);
+  FS.createDevice("/dev", "urandom", random_device);
+  FS.mkdir("/dev/shm");
+  FS.mkdir("/dev/shm/tmp");
+ },
+ createSpecialDirectories: () => {
+  FS.mkdir("/proc");
+  var proc_self = FS.mkdir("/proc/self");
+  FS.mkdir("/proc/self/fd");
+  FS.mount({
+   mount: () => {
+    var node = FS.createNode(proc_self, "fd", 16384 | 511, 73);
+    node.node_ops = {
+     lookup: (parent, name) => {
+      var fd = +name;
+      var stream = FS.getStream(fd);
+      if (!stream) throw new FS.ErrnoError(8);
+      var ret = {
+       parent: null,
+       mount: {
+        mountpoint: "fake"
+       },
+       node_ops: {
+        readlink: () => stream.path
+       }
+      };
+      ret.parent = ret;
+      return ret;
+     }
+    };
+    return node;
+   }
+  }, {}, "/proc/self/fd");
+ },
+ createStandardStreams: () => {
+  if (Module["stdin"]) {
+   FS.createDevice("/dev", "stdin", Module["stdin"]);
+  } else {
+   FS.symlink("/dev/tty", "/dev/stdin");
+  }
+  if (Module["stdout"]) {
+   FS.createDevice("/dev", "stdout", null, Module["stdout"]);
+  } else {
+   FS.symlink("/dev/tty", "/dev/stdout");
+  }
+  if (Module["stderr"]) {
+   FS.createDevice("/dev", "stderr", null, Module["stderr"]);
+  } else {
+   FS.symlink("/dev/tty1", "/dev/stderr");
+  }
+  var stdin = FS.open("/dev/stdin", 0);
+  var stdout = FS.open("/dev/stdout", 1);
+  var stderr = FS.open("/dev/stderr", 1);
+  assert(stdin.fd === 0, "invalid handle for stdin (" + stdin.fd + ")");
+  assert(stdout.fd === 1, "invalid handle for stdout (" + stdout.fd + ")");
+  assert(stderr.fd === 2, "invalid handle for stderr (" + stderr.fd + ")");
+ },
+ ensureErrnoError: () => {
+  if (FS.ErrnoError) return;
+  FS.ErrnoError = function ErrnoError(errno, node) {
+   this.node = node;
+   this.setErrno = function(errno) {
+    this.errno = errno;
+    for (var key in ERRNO_CODES) {
+     if (ERRNO_CODES[key] === errno) {
+      this.code = key;
+      break;
+     }
+    }
+   };
+   this.setErrno(errno);
+   this.message = ERRNO_MESSAGES[errno];
+   if (this.stack) {
+    Object.defineProperty(this, "stack", {
+     value: new Error().stack,
+     writable: true
+    });
+    this.stack = demangleAll(this.stack);
+   }
+  };
+  FS.ErrnoError.prototype = new Error();
+  FS.ErrnoError.prototype.constructor = FS.ErrnoError;
+  [ 44 ].forEach(code => {
+   FS.genericErrors[code] = new FS.ErrnoError(code);
+   FS.genericErrors[code].stack = "<generic error, no stack>";
+  });
+ },
+ staticInit: () => {
+  FS.ensureErrnoError();
+  FS.nameTable = new Array(4096);
+  FS.mount(MEMFS, {}, "/");
+  FS.createDefaultDirectories();
+  FS.createDefaultDevices();
+  FS.createSpecialDirectories();
+  FS.filesystems = {
+   "MEMFS": MEMFS,
+   "IDBFS": IDBFS
+  };
+ },
+ init: (input, output, error) => {
+  assert(!FS.init.initialized, "FS.init was previously called. If you want to initialize later with custom parameters, remove any earlier calls (note that one is automatically added to the generated code)");
+  FS.init.initialized = true;
+  FS.ensureErrnoError();
+  Module["stdin"] = input || Module["stdin"];
+  Module["stdout"] = output || Module["stdout"];
+  Module["stderr"] = error || Module["stderr"];
+  FS.createStandardStreams();
+ },
+ quit: () => {
+  FS.init.initialized = false;
+  _fflush(0);
+  for (var i = 0; i < FS.streams.length; i++) {
+   var stream = FS.streams[i];
+   if (!stream) {
+    continue;
+   }
+   FS.close(stream);
+  }
+ },
+ getMode: (canRead, canWrite) => {
+  var mode = 0;
+  if (canRead) mode |= 292 | 73;
+  if (canWrite) mode |= 146;
+  return mode;
+ },
+ findObject: (path, dontResolveLastLink) => {
+  var ret = FS.analyzePath(path, dontResolveLastLink);
+  if (!ret.exists) {
+   return null;
+  }
+  return ret.object;
+ },
+ analyzePath: (path, dontResolveLastLink) => {
+  try {
+   var lookup = FS.lookupPath(path, {
+    follow: !dontResolveLastLink
+   });
+   path = lookup.path;
+  } catch (e) {}
+  var ret = {
+   isRoot: false,
+   exists: false,
+   error: 0,
+   name: null,
+   path: null,
+   object: null,
+   parentExists: false,
+   parentPath: null,
+   parentObject: null
+  };
+  try {
+   var lookup = FS.lookupPath(path, {
+    parent: true
+   });
+   ret.parentExists = true;
+   ret.parentPath = lookup.path;
+   ret.parentObject = lookup.node;
+   ret.name = PATH.basename(path);
+   lookup = FS.lookupPath(path, {
+    follow: !dontResolveLastLink
+   });
+   ret.exists = true;
+   ret.path = lookup.path;
+   ret.object = lookup.node;
+   ret.name = lookup.node.name;
+   ret.isRoot = lookup.path === "/";
+  } catch (e) {
+   ret.error = e.errno;
+  }
+  return ret;
+ },
+ createPath: (parent, path, canRead, canWrite) => {
+  parent = typeof parent == "string" ? parent : FS.getPath(parent);
+  var parts = path.split("/").reverse();
+  while (parts.length) {
+   var part = parts.pop();
+   if (!part) continue;
+   var current = PATH.join2(parent, part);
+   try {
+    FS.mkdir(current);
+   } catch (e) {}
+   parent = current;
+  }
+  return current;
+ },
+ createFile: (parent, name, properties, canRead, canWrite) => {
+  var path = PATH.join2(typeof parent == "string" ? parent : FS.getPath(parent), name);
+  var mode = FS.getMode(canRead, canWrite);
+  return FS.create(path, mode);
+ },
+ createDataFile: (parent, name, data, canRead, canWrite, canOwn) => {
+  var path = name;
+  if (parent) {
+   parent = typeof parent == "string" ? parent : FS.getPath(parent);
+   path = name ? PATH.join2(parent, name) : parent;
+  }
+  var mode = FS.getMode(canRead, canWrite);
+  var node = FS.create(path, mode);
+  if (data) {
+   if (typeof data == "string") {
+    var arr = new Array(data.length);
+    for (var i = 0, len = data.length; i < len; ++i) arr[i] = data.charCodeAt(i);
+    data = arr;
+   }
+   FS.chmod(node, mode | 146);
+   var stream = FS.open(node, 577);
+   FS.write(stream, data, 0, data.length, 0, canOwn);
+   FS.close(stream);
+   FS.chmod(node, mode);
+  }
+  return node;
+ },
+ createDevice: (parent, name, input, output) => {
+  var path = PATH.join2(typeof parent == "string" ? parent : FS.getPath(parent), name);
+  var mode = FS.getMode(!!input, !!output);
+  if (!FS.createDevice.major) FS.createDevice.major = 64;
+  var dev = FS.makedev(FS.createDevice.major++, 0);
+  FS.registerDevice(dev, {
+   open: stream => {
+    stream.seekable = false;
+   },
+   close: stream => {
+    if (output && output.buffer && output.buffer.length) {
+     output(10);
+    }
+   },
+   read: (stream, buffer, offset, length, pos) => {
+    var bytesRead = 0;
+    for (var i = 0; i < length; i++) {
+     var result;
+     try {
+      result = input();
+     } catch (e) {
+      throw new FS.ErrnoError(29);
+     }
+     if (result === undefined && bytesRead === 0) {
+      throw new FS.ErrnoError(6);
+     }
+     if (result === null || result === undefined) break;
+     bytesRead++;
+     buffer[offset + i] = result;
+    }
+    if (bytesRead) {
+     stream.node.timestamp = Date.now();
+    }
+    return bytesRead;
+   },
+   write: (stream, buffer, offset, length, pos) => {
+    for (var i = 0; i < length; i++) {
+     try {
+      output(buffer[offset + i]);
+     } catch (e) {
+      throw new FS.ErrnoError(29);
+     }
+    }
+    if (length) {
+     stream.node.timestamp = Date.now();
+    }
+    return i;
+   }
+  });
+  return FS.mkdev(path, mode, dev);
+ },
+ forceLoadFile: obj => {
+  if (obj.isDevice || obj.isFolder || obj.link || obj.contents) return true;
+  if (typeof XMLHttpRequest != "undefined") {
+   throw new Error("Lazy loading should have been performed (contents set) in createLazyFile, but it was not. Lazy loading only works in web workers. Use --embed-file or --preload-file in emcc on the main thread.");
+  } else if (read_) {
+   try {
+    obj.contents = intArrayFromString(read_(obj.url), true);
+    obj.usedBytes = obj.contents.length;
+   } catch (e) {
+    throw new FS.ErrnoError(29);
+   }
+  } else {
+   throw new Error("Cannot load without read() or XMLHttpRequest.");
+  }
+ },
+ createLazyFile: (parent, name, url, canRead, canWrite) => {
+  function LazyUint8Array() {
+   this.lengthKnown = false;
+   this.chunks = [];
+  }
+  LazyUint8Array.prototype.get = function LazyUint8Array_get(idx) {
+   if (idx > this.length - 1 || idx < 0) {
+    return undefined;
+   }
+   var chunkOffset = idx % this.chunkSize;
+   var chunkNum = idx / this.chunkSize | 0;
+   return this.getter(chunkNum)[chunkOffset];
+  };
+  LazyUint8Array.prototype.setDataGetter = function LazyUint8Array_setDataGetter(getter) {
+   this.getter = getter;
+  };
+  LazyUint8Array.prototype.cacheLength = function LazyUint8Array_cacheLength() {
+   var xhr = new XMLHttpRequest();
+   xhr.open("HEAD", url, false);
+   xhr.send(null);
+   if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
+   var datalength = Number(xhr.getResponseHeader("Content-length"));
+   var header;
+   var hasByteServing = (header = xhr.getResponseHeader("Accept-Ranges")) && header === "bytes";
+   var usesGzip = (header = xhr.getResponseHeader("Content-Encoding")) && header === "gzip";
+   var chunkSize = 1024 * 1024;
+   if (!hasByteServing) chunkSize = datalength;
+   var doXHR = (from, to) => {
+    if (from > to) throw new Error("invalid range (" + from + ", " + to + ") or no bytes requested!");
+    if (to > datalength - 1) throw new Error("only " + datalength + " bytes available! programmer error!");
+    var xhr = new XMLHttpRequest();
+    xhr.open("GET", url, false);
+    if (datalength !== chunkSize) xhr.setRequestHeader("Range", "bytes=" + from + "-" + to);
+    xhr.responseType = "arraybuffer";
+    if (xhr.overrideMimeType) {
+     xhr.overrideMimeType("text/plain; charset=x-user-defined");
+    }
+    xhr.send(null);
+    if (!(xhr.status >= 200 && xhr.status < 300 || xhr.status === 304)) throw new Error("Couldn't load " + url + ". Status: " + xhr.status);
+    if (xhr.response !== undefined) {
+     return new Uint8Array(xhr.response || []);
+    }
+    return intArrayFromString(xhr.responseText || "", true);
+   };
+   var lazyArray = this;
+   lazyArray.setDataGetter(chunkNum => {
+    var start = chunkNum * chunkSize;
+    var end = (chunkNum + 1) * chunkSize - 1;
+    end = Math.min(end, datalength - 1);
+    if (typeof lazyArray.chunks[chunkNum] == "undefined") {
+     lazyArray.chunks[chunkNum] = doXHR(start, end);
+    }
+    if (typeof lazyArray.chunks[chunkNum] == "undefined") throw new Error("doXHR failed!");
+    return lazyArray.chunks[chunkNum];
+   });
+   if (usesGzip || !datalength) {
+    chunkSize = datalength = 1;
+    datalength = this.getter(0).length;
+    chunkSize = datalength;
+    out("LazyFiles on gzip forces download of the whole file when length is accessed");
+   }
+   this._length = datalength;
+   this._chunkSize = chunkSize;
+   this.lengthKnown = true;
+  };
+  if (typeof XMLHttpRequest != "undefined") {
+   if (!ENVIRONMENT_IS_WORKER) throw "Cannot do synchronous binary XHRs outside webworkers in modern browsers. Use --embed-file or --preload-file in emcc";
+   var lazyArray = new LazyUint8Array();
+   Object.defineProperties(lazyArray, {
+    length: {
+     get: function() {
+      if (!this.lengthKnown) {
+       this.cacheLength();
+      }
+      return this._length;
+     }
+    },
+    chunkSize: {
+     get: function() {
+      if (!this.lengthKnown) {
+       this.cacheLength();
+      }
+      return this._chunkSize;
+     }
+    }
+   });
+   var properties = {
+    isDevice: false,
+    contents: lazyArray
+   };
+  } else {
+   var properties = {
+    isDevice: false,
+    url: url
+   };
+  }
+  var node = FS.createFile(parent, name, properties, canRead, canWrite);
+  if (properties.contents) {
+   node.contents = properties.contents;
+  } else if (properties.url) {
+   node.contents = null;
+   node.url = properties.url;
+  }
+  Object.defineProperties(node, {
+   usedBytes: {
+    get: function() {
+     return this.contents.length;
+    }
+   }
+  });
+  var stream_ops = {};
+  var keys = Object.keys(node.stream_ops);
+  keys.forEach(key => {
+   var fn = node.stream_ops[key];
+   stream_ops[key] = function forceLoadLazyFile() {
+    FS.forceLoadFile(node);
+    return fn.apply(null, arguments);
+   };
+  });
+  function writeChunks(stream, buffer, offset, length, position) {
+   var contents = stream.node.contents;
+   if (position >= contents.length) return 0;
+   var size = Math.min(contents.length - position, length);
+   assert(size >= 0);
+   if (contents.slice) {
+    for (var i = 0; i < size; i++) {
+     buffer[offset + i] = contents[position + i];
+    }
+   } else {
+    for (var i = 0; i < size; i++) {
+     buffer[offset + i] = contents.get(position + i);
+    }
+   }
+   return size;
+  }
+  stream_ops.read = (stream, buffer, offset, length, position) => {
+   FS.forceLoadFile(node);
+   return writeChunks(stream, buffer, offset, length, position);
+  };
+  stream_ops.mmap = (stream, length, position, prot, flags) => {
+   FS.forceLoadFile(node);
+   var ptr = mmapAlloc(length);
+   if (!ptr) {
+    throw new FS.ErrnoError(48);
+   }
+   writeChunks(stream, GROWABLE_HEAP_I8(), ptr, length, position);
+   return {
+    ptr: ptr,
+    allocated: true
+   };
+  };
+  node.stream_ops = stream_ops;
+  return node;
+ },
+ createPreloadedFile: (parent, name, url, canRead, canWrite, onload, onerror, dontCreateFile, canOwn, preFinish) => {
+  var fullname = name ? PATH_FS.resolve(PATH.join2(parent, name)) : parent;
+  var dep = getUniqueRunDependency("cp " + fullname);
+  function processData(byteArray) {
+   function finish(byteArray) {
+    if (preFinish) preFinish();
+    if (!dontCreateFile) {
+     FS.createDataFile(parent, name, byteArray, canRead, canWrite, canOwn);
+    }
+    if (onload) onload();
+    removeRunDependency(dep);
+   }
+   if (Browser.handledByPreloadPlugin(byteArray, fullname, finish, () => {
+    if (onerror) onerror();
+    removeRunDependency(dep);
+   })) {
+    return;
+   }
+   finish(byteArray);
+  }
+  addRunDependency(dep);
+  if (typeof url == "string") {
+   asyncLoad(url, byteArray => processData(byteArray), onerror);
+  } else {
+   processData(url);
+  }
+ },
+ indexedDB: () => {
+  return window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
+ },
+ DB_NAME: () => {
+  return "EM_FS_" + window.location.pathname;
+ },
+ DB_VERSION: 20,
+ DB_STORE_NAME: "FILE_DATA",
+ saveFilesToDB: (paths, onload, onerror) => {
+  onload = onload || (() => {});
+  onerror = onerror || (() => {});
+  var indexedDB = FS.indexedDB();
+  try {
+   var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
+  } catch (e) {
+   return onerror(e);
+  }
+  openRequest.onupgradeneeded = () => {
+   out("creating db");
+   var db = openRequest.result;
+   db.createObjectStore(FS.DB_STORE_NAME);
+  };
+  openRequest.onsuccess = () => {
+   var db = openRequest.result;
+   var transaction = db.transaction([ FS.DB_STORE_NAME ], "readwrite");
+   var files = transaction.objectStore(FS.DB_STORE_NAME);
+   var ok = 0, fail = 0, total = paths.length;
+   function finish() {
+    if (fail == 0) onload(); else onerror();
+   }
+   paths.forEach(path => {
+    var putRequest = files.put(FS.analyzePath(path).object.contents, path);
+    putRequest.onsuccess = () => {
+     ok++;
+     if (ok + fail == total) finish();
+    };
+    putRequest.onerror = () => {
+     fail++;
+     if (ok + fail == total) finish();
+    };
+   });
+   transaction.onerror = onerror;
+  };
+  openRequest.onerror = onerror;
+ },
+ loadFilesFromDB: (paths, onload, onerror) => {
+  onload = onload || (() => {});
+  onerror = onerror || (() => {});
+  var indexedDB = FS.indexedDB();
+  try {
+   var openRequest = indexedDB.open(FS.DB_NAME(), FS.DB_VERSION);
+  } catch (e) {
+   return onerror(e);
+  }
+  openRequest.onupgradeneeded = onerror;
+  openRequest.onsuccess = () => {
+   var db = openRequest.result;
+   try {
+    var transaction = db.transaction([ FS.DB_STORE_NAME ], "readonly");
+   } catch (e) {
+    onerror(e);
+    return;
+   }
+   var files = transaction.objectStore(FS.DB_STORE_NAME);
+   var ok = 0, fail = 0, total = paths.length;
+   function finish() {
+    if (fail == 0) onload(); else onerror();
+   }
+   paths.forEach(path => {
+    var getRequest = files.get(path);
+    getRequest.onsuccess = () => {
+     if (FS.analyzePath(path).exists) {
+      FS.unlink(path);
+     }
+     FS.createDataFile(PATH.dirname(path), PATH.basename(path), getRequest.result, true, true, true);
+     ok++;
+     if (ok + fail == total) finish();
+    };
+    getRequest.onerror = () => {
+     fail++;
+     if (ok + fail == total) finish();
+    };
+   });
+   transaction.onerror = onerror;
+  };
+  openRequest.onerror = onerror;
+ },
+ absolutePath: () => {
+  abort("FS.absolutePath has been removed; use PATH_FS.resolve instead");
+ },
+ createFolder: () => {
+  abort("FS.createFolder has been removed; use FS.mkdir instead");
+ },
+ createLink: () => {
+  abort("FS.createLink has been removed; use FS.symlink instead");
+ },
+ joinPath: () => {
+  abort("FS.joinPath has been removed; use PATH.join instead");
+ },
+ mmapAlloc: () => {
+  abort("FS.mmapAlloc has been replaced by the top level function mmapAlloc");
+ },
+ standardizePath: () => {
+  abort("FS.standardizePath has been removed; use PATH.normalize instead");
+ }
+};
+
+var SYSCALLS = {
+ DEFAULT_POLLMASK: 5,
+ calculateAt: function(dirfd, path, allowEmpty) {
+  if (PATH.isAbs(path)) {
+   return path;
+  }
+  var dir;
+  if (dirfd === -100) {
+   dir = FS.cwd();
+  } else {
+   var dirstream = FS.getStream(dirfd);
+   if (!dirstream) throw new FS.ErrnoError(8);
+   dir = dirstream.path;
+  }
+  if (path.length == 0) {
+   if (!allowEmpty) {
+    throw new FS.ErrnoError(44);
+   }
+   return dir;
+  }
+  return PATH.join2(dir, path);
+ },
+ doStat: function(func, path, buf) {
+  try {
+   var stat = func(path);
+  } catch (e) {
+   if (e && e.node && PATH.normalize(path) !== PATH.normalize(FS.getPath(e.node))) {
+    return -54;
+   }
+   throw e;
+  }
+  GROWABLE_HEAP_I32()[buf >> 2] = stat.dev;
+  GROWABLE_HEAP_I32()[buf + 8 >> 2] = stat.ino;
+  GROWABLE_HEAP_I32()[buf + 12 >> 2] = stat.mode;
+  GROWABLE_HEAP_I32()[buf + 16 >> 2] = stat.nlink;
+  GROWABLE_HEAP_I32()[buf + 20 >> 2] = stat.uid;
+  GROWABLE_HEAP_I32()[buf + 24 >> 2] = stat.gid;
+  GROWABLE_HEAP_I32()[buf + 28 >> 2] = stat.rdev;
+  tempI64 = [ stat.size >>> 0, (tempDouble = stat.size, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
+  GROWABLE_HEAP_I32()[buf + 40 >> 2] = tempI64[0], GROWABLE_HEAP_I32()[buf + 44 >> 2] = tempI64[1];
+  GROWABLE_HEAP_I32()[buf + 48 >> 2] = 4096;
+  GROWABLE_HEAP_I32()[buf + 52 >> 2] = stat.blocks;
+  tempI64 = [ Math.floor(stat.atime.getTime() / 1e3) >>> 0, (tempDouble = Math.floor(stat.atime.getTime() / 1e3), 
+  +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
+  GROWABLE_HEAP_I32()[buf + 56 >> 2] = tempI64[0], GROWABLE_HEAP_I32()[buf + 60 >> 2] = tempI64[1];
+  GROWABLE_HEAP_I32()[buf + 64 >> 2] = 0;
+  tempI64 = [ Math.floor(stat.mtime.getTime() / 1e3) >>> 0, (tempDouble = Math.floor(stat.mtime.getTime() / 1e3), 
+  +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
+  GROWABLE_HEAP_I32()[buf + 72 >> 2] = tempI64[0], GROWABLE_HEAP_I32()[buf + 76 >> 2] = tempI64[1];
+  GROWABLE_HEAP_I32()[buf + 80 >> 2] = 0;
+  tempI64 = [ Math.floor(stat.ctime.getTime() / 1e3) >>> 0, (tempDouble = Math.floor(stat.ctime.getTime() / 1e3), 
+  +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
+  GROWABLE_HEAP_I32()[buf + 88 >> 2] = tempI64[0], GROWABLE_HEAP_I32()[buf + 92 >> 2] = tempI64[1];
+  GROWABLE_HEAP_I32()[buf + 96 >> 2] = 0;
+  tempI64 = [ stat.ino >>> 0, (tempDouble = stat.ino, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
+  GROWABLE_HEAP_I32()[buf + 104 >> 2] = tempI64[0], GROWABLE_HEAP_I32()[buf + 108 >> 2] = tempI64[1];
+  return 0;
+ },
+ doMsync: function(addr, stream, len, flags, offset) {
+  var buffer = GROWABLE_HEAP_U8().slice(addr, addr + len);
+  FS.msync(stream, buffer, offset, len, flags);
+ },
+ varargs: undefined,
+ get: function() {
+  assert(SYSCALLS.varargs != undefined);
+  SYSCALLS.varargs += 4;
+  var ret = GROWABLE_HEAP_I32()[SYSCALLS.varargs - 4 >> 2];
+  return ret;
+ },
+ getStr: function(ptr) {
+  var ret = UTF8ToString(ptr);
+  return ret;
+ },
+ getStreamFromFD: function(fd) {
+  var stream = FS.getStream(fd);
+  if (!stream) throw new FS.ErrnoError(8);
+  return stream;
+ }
+};
+
+function _proc_exit(code) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(1, 1, code);
+ EXITSTATUS = code;
+ if (!keepRuntimeAlive()) {
+  PThread.terminateAllThreads();
+  if (Module["onExit"]) Module["onExit"](code);
+  ABORT = true;
+ }
+ quit_(code, new ExitStatus(code));
+}
+
+function exitJS(status, implicit) {
+ EXITSTATUS = status;
+ if (!implicit) {
+  if (ENVIRONMENT_IS_PTHREAD) {
+   exitOnMainThread(status);
+   throw "unwind";
+  } else {}
+ }
+ if (!keepRuntimeAlive()) {
+  exitRuntime();
+ }
+ if (keepRuntimeAlive() && !implicit) {
+  var msg = "program exited (with status: " + status + "), but keepRuntimeAlive() is set (counter=" + runtimeKeepaliveCounter + ") due to an async operation, so halting execution but not exiting the runtime or preventing further async execution (you can use emscripten_force_exit, if you want to force a true shutdown)";
+  readyPromiseReject(msg);
+  err(msg);
+ }
+ _proc_exit(status);
+}
+
+var _exit = exitJS;
+
+function ptrToString(ptr) {
+ return "0x" + ptr.toString(16).padStart(8, "0");
+}
+
+function handleException(e) {
+ if (e instanceof ExitStatus || e == "unwind") {
+  return EXITSTATUS;
+ }
+ quit_(1, e);
+}
+
+var PThread = {
+ unusedWorkers: [],
+ runningWorkers: [],
+ tlsInitFunctions: [],
+ pthreads: {},
+ init: function() {
+  if (ENVIRONMENT_IS_PTHREAD) {
+   PThread.initWorker();
+  } else {
+   PThread.initMainThread();
+  }
+ },
+ initMainThread: function() {
+  var pthreadPoolSize = 8;
+  for (var i = 0; i < pthreadPoolSize; ++i) {
+   PThread.allocateUnusedWorker();
+  }
+ },
+ initWorker: function() {
+  noExitRuntime = false;
+ },
+ setExitStatus: function(status) {
+  EXITSTATUS = status;
+ },
+ terminateAllThreads: function() {
+  assert(!ENVIRONMENT_IS_PTHREAD, "Internal Error! terminateAllThreads() can only ever be called from main application thread!");
+  for (var t in PThread.pthreads) {
+   var worker = PThread.pthreads[t];
+   if (worker) {
+    PThread.returnWorkerToPool(worker);
+   }
+  }
+  assert(Object.keys(PThread.pthreads).length === 0);
+  assert(PThread.runningWorkers.length === 0);
+  for (var i = 0; i < PThread.unusedWorkers.length; ++i) {
+   var worker = PThread.unusedWorkers[i];
+   assert(!worker.pthread_ptr);
+   worker.terminate();
+  }
+  PThread.unusedWorkers = [];
+ },
+ returnWorkerToPool: function(worker) {
+  var pthread_ptr = worker.pthread_ptr;
+  delete PThread.pthreads[pthread_ptr];
+  PThread.unusedWorkers.push(worker);
+  PThread.runningWorkers.splice(PThread.runningWorkers.indexOf(worker), 1);
+  worker.pthread_ptr = 0;
+  __emscripten_thread_free_data(pthread_ptr);
+ },
+ receiveObjectTransfer: function(data) {},
+ threadInitTLS: function() {
+  for (var i in PThread.tlsInitFunctions) {
+   if (PThread.tlsInitFunctions.hasOwnProperty(i)) PThread.tlsInitFunctions[i]();
+  }
+ },
+ loadWasmModuleToWorker: function(worker, onFinishedLoading) {
+  worker.onmessage = e => {
+   var d = e["data"];
+   var cmd = d["cmd"];
+   if (worker.pthread_ptr) PThread.currentProxiedOperationCallerThread = worker.pthread_ptr;
+   if (d["targetThread"] && d["targetThread"] != _pthread_self()) {
+    var targetWorker = PThread.pthreads[d.targetThread];
+    if (targetWorker) {
+     targetWorker.postMessage(d, d["transferList"]);
+    } else {
+     err('Internal error! Worker sent a message "' + cmd + '" to target pthread ' + d["targetThread"] + ", but that thread no longer exists!");
+    }
+    PThread.currentProxiedOperationCallerThread = undefined;
+    return;
+   }
+   if (cmd === "processProxyingQueue") {
+    executeNotifiedProxyingQueue(d["queue"]);
+   } else if (cmd === "spawnThread") {
+    spawnThread(d);
+   } else if (cmd === "cleanupThread") {
+    cleanupThread(d["thread"]);
+   } else if (cmd === "killThread") {
+    killThread(d["thread"]);
+   } else if (cmd === "cancelThread") {
+    cancelThread(d["thread"]);
+   } else if (cmd === "loaded") {
+    worker.loaded = true;
+    if (onFinishedLoading) onFinishedLoading(worker);
+    if (worker.runPthread) {
+     worker.runPthread();
+     delete worker.runPthread;
+    }
+   } else if (cmd === "print") {
+    out("Thread " + d["threadId"] + ": " + d["text"]);
+   } else if (cmd === "printErr") {
+    err("Thread " + d["threadId"] + ": " + d["text"]);
+   } else if (cmd === "alert") {
+    alert("Thread " + d["threadId"] + ": " + d["text"]);
+   } else if (d.target === "setimmediate") {
+    worker.postMessage(d);
+   } else if (cmd === "onAbort") {
+    if (Module["onAbort"]) {
+     Module["onAbort"](d["arg"]);
+    }
+   } else if (cmd) {
+    err("worker sent an unknown command " + cmd);
+   }
+   PThread.currentProxiedOperationCallerThread = undefined;
+  };
+  worker.onerror = e => {
+   var message = "worker sent an error!";
+   if (worker.pthread_ptr) {
+    message = "Pthread " + ptrToString(worker.pthread_ptr) + " sent an error!";
+   }
+   err(message + " " + e.filename + ":" + e.lineno + ": " + e.message);
+   throw e;
+  };
+  assert(wasmMemory instanceof WebAssembly.Memory, "WebAssembly memory should have been loaded by now!");
+  assert(wasmModule instanceof WebAssembly.Module, "WebAssembly Module should have been loaded by now!");
+  worker.postMessage({
+   "cmd": "load",
+   "urlOrBlob": Module["mainScriptUrlOrBlob"] || _scriptDir,
+   "wasmMemory": wasmMemory,
+   "wasmModule": wasmModule
+  });
+ },
+ allocateUnusedWorker: function() {
+  var pthreadMainJs = locateFile("godot.web.template_debug.wasm32.worker.js");
+  PThread.unusedWorkers.push(new Worker(pthreadMainJs));
+ },
+ getNewWorker: function() {
+  if (PThread.unusedWorkers.length == 0) {
+   err("Tried to spawn a new thread, but the thread pool is exhausted.\n" + "This might result in a deadlock unless some threads eventually exit or the code explicitly breaks out to the event loop.\n" + "If you want to increase the pool size, use setting `-sPTHREAD_POOL_SIZE=...`." + "\nIf you want to throw an explicit error instead of the risk of deadlocking in those cases, use setting `-sPTHREAD_POOL_SIZE_STRICT=2`.");
+   PThread.allocateUnusedWorker();
+   PThread.loadWasmModuleToWorker(PThread.unusedWorkers[0]);
+  }
+  return PThread.unusedWorkers.pop();
+ }
+};
+
+Module["PThread"] = PThread;
+
+function callRuntimeCallbacks(callbacks) {
+ while (callbacks.length > 0) {
+  callbacks.shift()(Module);
+ }
+}
+
+function withStackSave(f) {
+ var stack = stackSave();
+ var ret = f();
+ stackRestore(stack);
+ return ret;
+}
+
+function demangle(func) {
+ warnOnce("warning: build with -sDEMANGLE_SUPPORT to link in libcxxabi demangling");
+ return func;
+}
+
+function demangleAll(text) {
+ var regex = /\b_Z[\w\d_]+/g;
+ return text.replace(regex, function(x) {
+  var y = demangle(x);
+  return x === y ? x : y + " [" + x + "]";
+ });
+}
+
+function establishStackSpace() {
+ var pthread_ptr = _pthread_self();
+ var stackTop = GROWABLE_HEAP_I32()[pthread_ptr + 44 >> 2];
+ var stackSize = GROWABLE_HEAP_I32()[pthread_ptr + 48 >> 2];
+ var stackMax = stackTop - stackSize;
+ assert(stackTop != 0);
+ assert(stackMax != 0);
+ assert(stackTop > stackMax, "stackTop must be higher then stackMax");
+ _emscripten_stack_set_limits(stackTop, stackMax);
+ stackRestore(stackTop);
+ writeStackCookie();
+}
+
+Module["establishStackSpace"] = establishStackSpace;
+
+function exitOnMainThread(returnCode) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(2, 0, returnCode);
+ try {
+  _exit(returnCode);
+ } catch (e) {
+  handleException(e);
+ }
+}
+
+function getValue(ptr, type = "i8") {
+ if (type.endsWith("*")) type = "*";
+ switch (type) {
+ case "i1":
+  return GROWABLE_HEAP_I8()[ptr >> 0];
+
+ case "i8":
+  return GROWABLE_HEAP_I8()[ptr >> 0];
+
+ case "i16":
+  return GROWABLE_HEAP_I16()[ptr >> 1];
+
+ case "i32":
+  return GROWABLE_HEAP_I32()[ptr >> 2];
+
+ case "i64":
+  return GROWABLE_HEAP_I32()[ptr >> 2];
+
+ case "float":
+  return GROWABLE_HEAP_F32()[ptr >> 2];
+
+ case "double":
+  return GROWABLE_HEAP_F64()[ptr >> 3];
+
+ case "*":
+  return GROWABLE_HEAP_U32()[ptr >> 2];
+
+ default:
+  abort("invalid type for getValue: " + type);
+ }
+ return null;
+}
+
+var wasmTableMirror = [];
+
+function getWasmTableEntry(funcPtr) {
+ var func = wasmTableMirror[funcPtr];
+ if (!func) {
+  if (funcPtr >= wasmTableMirror.length) wasmTableMirror.length = funcPtr + 1;
+  wasmTableMirror[funcPtr] = func = wasmTable.get(funcPtr);
+ }
+ assert(wasmTable.get(funcPtr) == func, "JavaScript-side Wasm function table mirror is out of date!");
+ return func;
+}
+
+function invokeEntryPoint(ptr, arg) {
+ var result = getWasmTableEntry(ptr)(arg);
+ checkStackCookie();
+ if (keepRuntimeAlive()) {
+  PThread.setExitStatus(result);
+ } else {
+  __emscripten_thread_exit(result);
+ }
+}
+
+Module["invokeEntryPoint"] = invokeEntryPoint;
+
+function jsStackTrace() {
+ var error = new Error();
+ if (!error.stack) {
+  try {
+   throw new Error();
+  } catch (e) {
+   error = e;
+  }
+  if (!error.stack) {
+   return "(no stack trace available)";
+  }
+ }
+ return error.stack.toString();
+}
+
+function registerTLSInit(tlsInitFunc) {
+ PThread.tlsInitFunctions.push(tlsInitFunc);
+}
+
+function setValue(ptr, value, type = "i8") {
+ if (type.endsWith("*")) type = "*";
+ switch (type) {
+ case "i1":
+  GROWABLE_HEAP_I8()[ptr >> 0] = value;
+  break;
+
+ case "i8":
+  GROWABLE_HEAP_I8()[ptr >> 0] = value;
+  break;
+
+ case "i16":
+  GROWABLE_HEAP_I16()[ptr >> 1] = value;
+  break;
+
+ case "i32":
+  GROWABLE_HEAP_I32()[ptr >> 2] = value;
+  break;
+
+ case "i64":
+  tempI64 = [ value >>> 0, (tempDouble = value, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
+  GROWABLE_HEAP_I32()[ptr >> 2] = tempI64[0], GROWABLE_HEAP_I32()[ptr + 4 >> 2] = tempI64[1];
+  break;
+
+ case "float":
+  GROWABLE_HEAP_F32()[ptr >> 2] = value;
+  break;
+
+ case "double":
+  GROWABLE_HEAP_F64()[ptr >> 3] = value;
+  break;
+
+ case "*":
+  GROWABLE_HEAP_U32()[ptr >> 2] = value;
+  break;
+
+ default:
+  abort("invalid type for setValue: " + type);
+ }
+}
+
+function stackTrace() {
+ var js = jsStackTrace();
+ if (Module["extraStackTrace"]) js += "\n" + Module["extraStackTrace"]();
+ return demangleAll(js);
+}
+
+function writeArrayToMemory(array, buffer) {
+ assert(array.length >= 0, "writeArrayToMemory array must have a length (should be an array or typed array)");
+ GROWABLE_HEAP_I8().set(array, buffer);
+}
+
+function ___assert_fail(condition, filename, line, func) {
+ abort("Assertion failed: " + UTF8ToString(condition) + ", at: " + [ filename ? UTF8ToString(filename) : "unknown filename", line, func ? UTF8ToString(func) : "unknown function" ]);
+}
+
+function ___call_sighandler(fp, sig) {
+ getWasmTableEntry(fp)(sig);
+}
+
+function ___emscripten_init_main_thread_js(tb) {
+ __emscripten_thread_init(tb, !ENVIRONMENT_IS_WORKER, 1, !ENVIRONMENT_IS_WEB);
+ PThread.threadInitTLS();
+}
+
+function ___emscripten_thread_cleanup(thread) {
+ if (!ENVIRONMENT_IS_PTHREAD) cleanupThread(thread); else postMessage({
+  "cmd": "cleanupThread",
+  "thread": thread
+ });
+}
+
+function pthreadCreateProxied(pthread_ptr, attr, start_routine, arg) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(3, 1, pthread_ptr, attr, start_routine, arg);
+ return ___pthread_create_js(pthread_ptr, attr, start_routine, arg);
+}
+
+function ___pthread_create_js(pthread_ptr, attr, start_routine, arg) {
+ if (typeof SharedArrayBuffer == "undefined") {
+  err("Current environment does not support SharedArrayBuffer, pthreads are not available!");
+  return 6;
+ }
+ var transferList = [];
+ var error = 0;
+ if (ENVIRONMENT_IS_PTHREAD && (transferList.length === 0 || error)) {
+  return pthreadCreateProxied(pthread_ptr, attr, start_routine, arg);
+ }
+ if (error) return error;
+ var threadParams = {
+  startRoutine: start_routine,
+  pthread_ptr: pthread_ptr,
+  arg: arg,
+  transferList: transferList
+ };
+ if (ENVIRONMENT_IS_PTHREAD) {
+  threadParams.cmd = "spawnThread";
+  postMessage(threadParams, transferList);
+  return 0;
+ }
+ return spawnThread(threadParams);
+}
+
+function ___syscall__newselect(nfds, readfds, writefds, exceptfds, timeout) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(4, 1, nfds, readfds, writefds, exceptfds, timeout);
+ try {
+  assert(nfds <= 64, "nfds must be less than or equal to 64");
+  assert(!exceptfds, "exceptfds not supported");
+  var total = 0;
+  var srcReadLow = readfds ? GROWABLE_HEAP_I32()[readfds >> 2] : 0, srcReadHigh = readfds ? GROWABLE_HEAP_I32()[readfds + 4 >> 2] : 0;
+  var srcWriteLow = writefds ? GROWABLE_HEAP_I32()[writefds >> 2] : 0, srcWriteHigh = writefds ? GROWABLE_HEAP_I32()[writefds + 4 >> 2] : 0;
+  var srcExceptLow = exceptfds ? GROWABLE_HEAP_I32()[exceptfds >> 2] : 0, srcExceptHigh = exceptfds ? GROWABLE_HEAP_I32()[exceptfds + 4 >> 2] : 0;
+  var dstReadLow = 0, dstReadHigh = 0;
+  var dstWriteLow = 0, dstWriteHigh = 0;
+  var dstExceptLow = 0, dstExceptHigh = 0;
+  var allLow = (readfds ? GROWABLE_HEAP_I32()[readfds >> 2] : 0) | (writefds ? GROWABLE_HEAP_I32()[writefds >> 2] : 0) | (exceptfds ? GROWABLE_HEAP_I32()[exceptfds >> 2] : 0);
+  var allHigh = (readfds ? GROWABLE_HEAP_I32()[readfds + 4 >> 2] : 0) | (writefds ? GROWABLE_HEAP_I32()[writefds + 4 >> 2] : 0) | (exceptfds ? GROWABLE_HEAP_I32()[exceptfds + 4 >> 2] : 0);
+  var check = function(fd, low, high, val) {
+   return fd < 32 ? low & val : high & val;
+  };
+  for (var fd = 0; fd < nfds; fd++) {
+   var mask = 1 << fd % 32;
+   if (!check(fd, allLow, allHigh, mask)) {
+    continue;
+   }
+   var stream = FS.getStream(fd);
+   if (!stream) throw new FS.ErrnoError(8);
+   var flags = SYSCALLS.DEFAULT_POLLMASK;
+   if (stream.stream_ops.poll) {
+    flags = stream.stream_ops.poll(stream);
+   }
+   if (flags & 1 && check(fd, srcReadLow, srcReadHigh, mask)) {
+    fd < 32 ? dstReadLow = dstReadLow | mask : dstReadHigh = dstReadHigh | mask;
+    total++;
+   }
+   if (flags & 4 && check(fd, srcWriteLow, srcWriteHigh, mask)) {
+    fd < 32 ? dstWriteLow = dstWriteLow | mask : dstWriteHigh = dstWriteHigh | mask;
+    total++;
+   }
+   if (flags & 2 && check(fd, srcExceptLow, srcExceptHigh, mask)) {
+    fd < 32 ? dstExceptLow = dstExceptLow | mask : dstExceptHigh = dstExceptHigh | mask;
+    total++;
+   }
+  }
+  if (readfds) {
+   GROWABLE_HEAP_I32()[readfds >> 2] = dstReadLow;
+   GROWABLE_HEAP_I32()[readfds + 4 >> 2] = dstReadHigh;
+  }
+  if (writefds) {
+   GROWABLE_HEAP_I32()[writefds >> 2] = dstWriteLow;
+   GROWABLE_HEAP_I32()[writefds + 4 >> 2] = dstWriteHigh;
+  }
+  if (exceptfds) {
+   GROWABLE_HEAP_I32()[exceptfds >> 2] = dstExceptLow;
+   GROWABLE_HEAP_I32()[exceptfds + 4 >> 2] = dstExceptHigh;
+  }
+  return total;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+var SOCKFS = {
+ mount: function(mount) {
+  Module["websocket"] = Module["websocket"] && "object" === typeof Module["websocket"] ? Module["websocket"] : {};
+  Module["websocket"]._callbacks = {};
+  Module["websocket"]["on"] = function(event, callback) {
+   if ("function" === typeof callback) {
+    this._callbacks[event] = callback;
+   }
+   return this;
+  };
+  Module["websocket"].emit = function(event, param) {
+   if ("function" === typeof this._callbacks[event]) {
+    this._callbacks[event].call(this, param);
+   }
+  };
+  return FS.createNode(null, "/", 16384 | 511, 0);
+ },
+ createSocket: function(family, type, protocol) {
+  type &= ~526336;
+  var streaming = type == 1;
+  if (streaming && protocol && protocol != 6) {
+   throw new FS.ErrnoError(66);
+  }
+  var sock = {
+   family: family,
+   type: type,
+   protocol: protocol,
+   server: null,
+   error: null,
+   peers: {},
+   pending: [],
+   recv_queue: [],
+   sock_ops: SOCKFS.websocket_sock_ops
+  };
+  var name = SOCKFS.nextname();
+  var node = FS.createNode(SOCKFS.root, name, 49152, 0);
+  node.sock = sock;
+  var stream = FS.createStream({
+   path: name,
+   node: node,
+   flags: 2,
+   seekable: false,
+   stream_ops: SOCKFS.stream_ops
+  });
+  sock.stream = stream;
+  return sock;
+ },
+ getSocket: function(fd) {
+  var stream = FS.getStream(fd);
+  if (!stream || !FS.isSocket(stream.node.mode)) {
+   return null;
+  }
+  return stream.node.sock;
+ },
+ stream_ops: {
+  poll: function(stream) {
+   var sock = stream.node.sock;
+   return sock.sock_ops.poll(sock);
+  },
+  ioctl: function(stream, request, varargs) {
+   var sock = stream.node.sock;
+   return sock.sock_ops.ioctl(sock, request, varargs);
+  },
+  read: function(stream, buffer, offset, length, position) {
+   var sock = stream.node.sock;
+   var msg = sock.sock_ops.recvmsg(sock, length);
+   if (!msg) {
+    return 0;
+   }
+   buffer.set(msg.buffer, offset);
+   return msg.buffer.length;
+  },
+  write: function(stream, buffer, offset, length, position) {
+   var sock = stream.node.sock;
+   return sock.sock_ops.sendmsg(sock, buffer, offset, length);
+  },
+  close: function(stream) {
+   var sock = stream.node.sock;
+   sock.sock_ops.close(sock);
+  }
+ },
+ nextname: function() {
+  if (!SOCKFS.nextname.current) {
+   SOCKFS.nextname.current = 0;
+  }
+  return "socket[" + SOCKFS.nextname.current++ + "]";
+ },
+ websocket_sock_ops: {
+  createPeer: function(sock, addr, port) {
+   var ws;
+   if (typeof addr == "object") {
+    ws = addr;
+    addr = null;
+    port = null;
+   }
+   if (ws) {
+    if (ws._socket) {
+     addr = ws._socket.remoteAddress;
+     port = ws._socket.remotePort;
+    } else {
+     var result = /ws[s]?:\/\/([^:]+):(\d+)/.exec(ws.url);
+     if (!result) {
+      throw new Error("WebSocket URL must be in the format ws(s)://address:port");
+     }
+     addr = result[1];
+     port = parseInt(result[2], 10);
+    }
+   } else {
+    try {
+     var runtimeConfig = Module["websocket"] && "object" === typeof Module["websocket"];
+     var url = "ws:#".replace("#", "//");
+     if (runtimeConfig) {
+      if ("string" === typeof Module["websocket"]["url"]) {
+       url = Module["websocket"]["url"];
+      }
+     }
+     if (url === "ws://" || url === "wss://") {
+      var parts = addr.split("/");
+      url = url + parts[0] + ":" + port + "/" + parts.slice(1).join("/");
+     }
+     var subProtocols = "binary";
+     if (runtimeConfig) {
+      if ("string" === typeof Module["websocket"]["subprotocol"]) {
+       subProtocols = Module["websocket"]["subprotocol"];
+      }
+     }
+     var opts = undefined;
+     if (subProtocols !== "null") {
+      subProtocols = subProtocols.replace(/^ +| +$/g, "").split(/ *, */);
+      opts = subProtocols;
+     }
+     if (runtimeConfig && null === Module["websocket"]["subprotocol"]) {
+      subProtocols = "null";
+      opts = undefined;
+     }
+     var WebSocketConstructor;
+     {
+      WebSocketConstructor = WebSocket;
+     }
+     ws = new WebSocketConstructor(url, opts);
+     ws.binaryType = "arraybuffer";
+    } catch (e) {
+     throw new FS.ErrnoError(23);
+    }
+   }
+   var peer = {
+    addr: addr,
+    port: port,
+    socket: ws,
+    dgram_send_queue: []
+   };
+   SOCKFS.websocket_sock_ops.addPeer(sock, peer);
+   SOCKFS.websocket_sock_ops.handlePeerEvents(sock, peer);
+   if (sock.type === 2 && typeof sock.sport != "undefined") {
+    peer.dgram_send_queue.push(new Uint8Array([ 255, 255, 255, 255, "p".charCodeAt(0), "o".charCodeAt(0), "r".charCodeAt(0), "t".charCodeAt(0), (sock.sport & 65280) >> 8, sock.sport & 255 ]));
+   }
+   return peer;
+  },
+  getPeer: function(sock, addr, port) {
+   return sock.peers[addr + ":" + port];
+  },
+  addPeer: function(sock, peer) {
+   sock.peers[peer.addr + ":" + peer.port] = peer;
+  },
+  removePeer: function(sock, peer) {
+   delete sock.peers[peer.addr + ":" + peer.port];
+  },
+  handlePeerEvents: function(sock, peer) {
+   var first = true;
+   var handleOpen = function() {
+    Module["websocket"].emit("open", sock.stream.fd);
+    try {
+     var queued = peer.dgram_send_queue.shift();
+     while (queued) {
+      peer.socket.send(queued);
+      queued = peer.dgram_send_queue.shift();
+     }
+    } catch (e) {
+     peer.socket.close();
+    }
+   };
+   function handleMessage(data) {
+    if (typeof data == "string") {
+     var encoder = new TextEncoder();
+     data = encoder.encode(data);
+    } else {
+     assert(data.byteLength !== undefined);
+     if (data.byteLength == 0) {
+      return;
+     }
+     data = new Uint8Array(data);
+    }
+    var wasfirst = first;
+    first = false;
+    if (wasfirst && data.length === 10 && data[0] === 255 && data[1] === 255 && data[2] === 255 && data[3] === 255 && data[4] === "p".charCodeAt(0) && data[5] === "o".charCodeAt(0) && data[6] === "r".charCodeAt(0) && data[7] === "t".charCodeAt(0)) {
+     var newport = data[8] << 8 | data[9];
+     SOCKFS.websocket_sock_ops.removePeer(sock, peer);
+     peer.port = newport;
+     SOCKFS.websocket_sock_ops.addPeer(sock, peer);
+     return;
+    }
+    sock.recv_queue.push({
+     addr: peer.addr,
+     port: peer.port,
+     data: data
+    });
+    Module["websocket"].emit("message", sock.stream.fd);
+   }
+   if (ENVIRONMENT_IS_NODE) {
+    peer.socket.on("open", handleOpen);
+    peer.socket.on("message", function(data, isBinary) {
+     if (!isBinary) {
+      return;
+     }
+     handleMessage(new Uint8Array(data).buffer);
+    });
+    peer.socket.on("close", function() {
+     Module["websocket"].emit("close", sock.stream.fd);
+    });
+    peer.socket.on("error", function(error) {
+     sock.error = 14;
+     Module["websocket"].emit("error", [ sock.stream.fd, sock.error, "ECONNREFUSED: Connection refused" ]);
+    });
+   } else {
+    peer.socket.onopen = handleOpen;
+    peer.socket.onclose = function() {
+     Module["websocket"].emit("close", sock.stream.fd);
+    };
+    peer.socket.onmessage = function peer_socket_onmessage(event) {
+     handleMessage(event.data);
+    };
+    peer.socket.onerror = function(error) {
+     sock.error = 14;
+     Module["websocket"].emit("error", [ sock.stream.fd, sock.error, "ECONNREFUSED: Connection refused" ]);
+    };
+   }
+  },
+  poll: function(sock) {
+   if (sock.type === 1 && sock.server) {
+    return sock.pending.length ? 64 | 1 : 0;
+   }
+   var mask = 0;
+   var dest = sock.type === 1 ? SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport) : null;
+   if (sock.recv_queue.length || !dest || dest && dest.socket.readyState === dest.socket.CLOSING || dest && dest.socket.readyState === dest.socket.CLOSED) {
+    mask |= 64 | 1;
+   }
+   if (!dest || dest && dest.socket.readyState === dest.socket.OPEN) {
+    mask |= 4;
+   }
+   if (dest && dest.socket.readyState === dest.socket.CLOSING || dest && dest.socket.readyState === dest.socket.CLOSED) {
+    mask |= 16;
+   }
+   return mask;
+  },
+  ioctl: function(sock, request, arg) {
+   switch (request) {
+   case 21531:
+    var bytes = 0;
+    if (sock.recv_queue.length) {
+     bytes = sock.recv_queue[0].data.length;
+    }
+    GROWABLE_HEAP_I32()[arg >> 2] = bytes;
+    return 0;
+
+   default:
+    return 28;
+   }
+  },
+  close: function(sock) {
+   if (sock.server) {
+    try {
+     sock.server.close();
+    } catch (e) {}
+    sock.server = null;
+   }
+   var peers = Object.keys(sock.peers);
+   for (var i = 0; i < peers.length; i++) {
+    var peer = sock.peers[peers[i]];
+    try {
+     peer.socket.close();
+    } catch (e) {}
+    SOCKFS.websocket_sock_ops.removePeer(sock, peer);
+   }
+   return 0;
+  },
+  bind: function(sock, addr, port) {
+   if (typeof sock.saddr != "undefined" || typeof sock.sport != "undefined") {
+    throw new FS.ErrnoError(28);
+   }
+   sock.saddr = addr;
+   sock.sport = port;
+   if (sock.type === 2) {
+    if (sock.server) {
+     sock.server.close();
+     sock.server = null;
+    }
+    try {
+     sock.sock_ops.listen(sock, 0);
+    } catch (e) {
+     if (!(e instanceof FS.ErrnoError)) throw e;
+     if (e.errno !== 138) throw e;
+    }
+   }
+  },
+  connect: function(sock, addr, port) {
+   if (sock.server) {
+    throw new FS.ErrnoError(138);
+   }
+   if (typeof sock.daddr != "undefined" && typeof sock.dport != "undefined") {
+    var dest = SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport);
+    if (dest) {
+     if (dest.socket.readyState === dest.socket.CONNECTING) {
+      throw new FS.ErrnoError(7);
+     } else {
+      throw new FS.ErrnoError(30);
+     }
+    }
+   }
+   var peer = SOCKFS.websocket_sock_ops.createPeer(sock, addr, port);
+   sock.daddr = peer.addr;
+   sock.dport = peer.port;
+   throw new FS.ErrnoError(26);
+  },
+  listen: function(sock, backlog) {
+   if (!ENVIRONMENT_IS_NODE) {
+    throw new FS.ErrnoError(138);
+   }
+  },
+  accept: function(listensock) {
+   if (!listensock.server || !listensock.pending.length) {
+    throw new FS.ErrnoError(28);
+   }
+   var newsock = listensock.pending.shift();
+   newsock.stream.flags = listensock.stream.flags;
+   return newsock;
+  },
+  getname: function(sock, peer) {
+   var addr, port;
+   if (peer) {
+    if (sock.daddr === undefined || sock.dport === undefined) {
+     throw new FS.ErrnoError(53);
+    }
+    addr = sock.daddr;
+    port = sock.dport;
+   } else {
+    addr = sock.saddr || 0;
+    port = sock.sport || 0;
+   }
+   return {
+    addr: addr,
+    port: port
+   };
+  },
+  sendmsg: function(sock, buffer, offset, length, addr, port) {
+   if (sock.type === 2) {
+    if (addr === undefined || port === undefined) {
+     addr = sock.daddr;
+     port = sock.dport;
+    }
+    if (addr === undefined || port === undefined) {
+     throw new FS.ErrnoError(17);
+    }
+   } else {
+    addr = sock.daddr;
+    port = sock.dport;
+   }
+   var dest = SOCKFS.websocket_sock_ops.getPeer(sock, addr, port);
+   if (sock.type === 1) {
+    if (!dest || dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) {
+     throw new FS.ErrnoError(53);
+    } else if (dest.socket.readyState === dest.socket.CONNECTING) {
+     throw new FS.ErrnoError(6);
+    }
+   }
+   if (ArrayBuffer.isView(buffer)) {
+    offset += buffer.byteOffset;
+    buffer = buffer.buffer;
+   }
+   var data;
+   if (buffer instanceof SharedArrayBuffer) {
+    data = new Uint8Array(new Uint8Array(buffer.slice(offset, offset + length))).buffer;
+   } else {
+    data = buffer.slice(offset, offset + length);
+   }
+   if (sock.type === 2) {
+    if (!dest || dest.socket.readyState !== dest.socket.OPEN) {
+     if (!dest || dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) {
+      dest = SOCKFS.websocket_sock_ops.createPeer(sock, addr, port);
+     }
+     dest.dgram_send_queue.push(data);
+     return length;
+    }
+   }
+   try {
+    dest.socket.send(data);
+    return length;
+   } catch (e) {
+    throw new FS.ErrnoError(28);
+   }
+  },
+  recvmsg: function(sock, length) {
+   if (sock.type === 1 && sock.server) {
+    throw new FS.ErrnoError(53);
+   }
+   var queued = sock.recv_queue.shift();
+   if (!queued) {
+    if (sock.type === 1) {
+     var dest = SOCKFS.websocket_sock_ops.getPeer(sock, sock.daddr, sock.dport);
+     if (!dest) {
+      throw new FS.ErrnoError(53);
+     }
+     if (dest.socket.readyState === dest.socket.CLOSING || dest.socket.readyState === dest.socket.CLOSED) {
+      return null;
+     }
+     throw new FS.ErrnoError(6);
+    }
+    throw new FS.ErrnoError(6);
+   }
+   var queuedLength = queued.data.byteLength || queued.data.length;
+   var queuedOffset = queued.data.byteOffset || 0;
+   var queuedBuffer = queued.data.buffer || queued.data;
+   var bytesRead = Math.min(length, queuedLength);
+   var res = {
+    buffer: new Uint8Array(queuedBuffer, queuedOffset, bytesRead),
+    addr: queued.addr,
+    port: queued.port
+   };
+   if (sock.type === 1 && bytesRead < queuedLength) {
+    var bytesRemaining = queuedLength - bytesRead;
+    queued.data = new Uint8Array(queuedBuffer, queuedOffset + bytesRead, bytesRemaining);
+    sock.recv_queue.unshift(queued);
+   }
+   return res;
+  }
+ }
+};
+
+function getSocketFromFD(fd) {
+ var socket = SOCKFS.getSocket(fd);
+ if (!socket) throw new FS.ErrnoError(8);
+ return socket;
+}
+
+function setErrNo(value) {
+ GROWABLE_HEAP_I32()[___errno_location() >> 2] = value;
+ return value;
+}
+
+var Sockets = {
+ BUFFER_SIZE: 10240,
+ MAX_BUFFER_SIZE: 10485760,
+ nextFd: 1,
+ fds: {},
+ nextport: 1,
+ maxport: 65535,
+ peer: null,
+ connections: {},
+ portmap: {},
+ localAddr: 4261412874,
+ addrPool: [ 33554442, 50331658, 67108874, 83886090, 100663306, 117440522, 134217738, 150994954, 167772170, 184549386, 201326602, 218103818, 234881034 ]
+};
+
+function inetPton4(str) {
+ var b = str.split(".");
+ for (var i = 0; i < 4; i++) {
+  var tmp = Number(b[i]);
+  if (isNaN(tmp)) return null;
+  b[i] = tmp;
+ }
+ return (b[0] | b[1] << 8 | b[2] << 16 | b[3] << 24) >>> 0;
+}
+
+function jstoi_q(str) {
+ return parseInt(str);
+}
+
+function inetPton6(str) {
+ var words;
+ var w, offset, z, i;
+ var valid6regx = /^((?=.*::)(?!.*::.+::)(::)?([\dA-F]{1,4}:(:|\b)|){5}|([\dA-F]{1,4}:){6})((([\dA-F]{1,4}((?!\3)::|:\b|$))|(?!\2\3)){2}|(((2[0-4]|1\d|[1-9])?\d|25[0-5])\.?\b){4})$/i;
+ var parts = [];
+ if (!valid6regx.test(str)) {
+  return null;
+ }
+ if (str === "::") {
+  return [ 0, 0, 0, 0, 0, 0, 0, 0 ];
+ }
+ if (str.startsWith("::")) {
+  str = str.replace("::", "Z:");
+ } else {
+  str = str.replace("::", ":Z:");
+ }
+ if (str.indexOf(".") > 0) {
+  str = str.replace(new RegExp("[.]", "g"), ":");
+  words = str.split(":");
+  words[words.length - 4] = jstoi_q(words[words.length - 4]) + jstoi_q(words[words.length - 3]) * 256;
+  words[words.length - 3] = jstoi_q(words[words.length - 2]) + jstoi_q(words[words.length - 1]) * 256;
+  words = words.slice(0, words.length - 2);
+ } else {
+  words = str.split(":");
+ }
+ offset = 0;
+ z = 0;
+ for (w = 0; w < words.length; w++) {
+  if (typeof words[w] == "string") {
+   if (words[w] === "Z") {
+    for (z = 0; z < 8 - words.length + 1; z++) {
+     parts[w + z] = 0;
+    }
+    offset = z - 1;
+   } else {
+    parts[w + offset] = _htons(parseInt(words[w], 16));
+   }
+  } else {
+   parts[w + offset] = words[w];
+  }
+ }
+ return [ parts[1] << 16 | parts[0], parts[3] << 16 | parts[2], parts[5] << 16 | parts[4], parts[7] << 16 | parts[6] ];
+}
+
+function writeSockaddr(sa, family, addr, port, addrlen) {
+ switch (family) {
+ case 2:
+  addr = inetPton4(addr);
+  zeroMemory(sa, 16);
+  if (addrlen) {
+   GROWABLE_HEAP_I32()[addrlen >> 2] = 16;
+  }
+  GROWABLE_HEAP_I16()[sa >> 1] = family;
+  GROWABLE_HEAP_I32()[sa + 4 >> 2] = addr;
+  GROWABLE_HEAP_I16()[sa + 2 >> 1] = _htons(port);
+  break;
+
+ case 10:
+  addr = inetPton6(addr);
+  zeroMemory(sa, 28);
+  if (addrlen) {
+   GROWABLE_HEAP_I32()[addrlen >> 2] = 28;
+  }
+  GROWABLE_HEAP_I32()[sa >> 2] = family;
+  GROWABLE_HEAP_I32()[sa + 8 >> 2] = addr[0];
+  GROWABLE_HEAP_I32()[sa + 12 >> 2] = addr[1];
+  GROWABLE_HEAP_I32()[sa + 16 >> 2] = addr[2];
+  GROWABLE_HEAP_I32()[sa + 20 >> 2] = addr[3];
+  GROWABLE_HEAP_I16()[sa + 2 >> 1] = _htons(port);
+  break;
+
+ default:
+  return 5;
+ }
+ return 0;
+}
+
+var DNS = {
+ address_map: {
+  id: 1,
+  addrs: {},
+  names: {}
+ },
+ lookup_name: function(name) {
+  var res = inetPton4(name);
+  if (res !== null) {
+   return name;
+  }
+  res = inetPton6(name);
+  if (res !== null) {
+   return name;
+  }
+  var addr;
+  if (DNS.address_map.addrs[name]) {
+   addr = DNS.address_map.addrs[name];
+  } else {
+   var id = DNS.address_map.id++;
+   assert(id < 65535, "exceeded max address mappings of 65535");
+   addr = "172.29." + (id & 255) + "." + (id & 65280);
+   DNS.address_map.names[addr] = name;
+   DNS.address_map.addrs[name] = addr;
+  }
+  return addr;
+ },
+ lookup_addr: function(addr) {
+  if (DNS.address_map.names[addr]) {
+   return DNS.address_map.names[addr];
+  }
+  return null;
+ }
+};
+
+function ___syscall_accept4(fd, addr, addrlen, flags) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(5, 1, fd, addr, addrlen, flags);
+ try {
+  var sock = getSocketFromFD(fd);
+  var newsock = sock.sock_ops.accept(sock);
+  if (addr) {
+   var errno = writeSockaddr(addr, newsock.family, DNS.lookup_name(newsock.daddr), newsock.dport, addrlen);
+   assert(!errno);
+  }
+  return newsock.stream.fd;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function inetNtop4(addr) {
+ return (addr & 255) + "." + (addr >> 8 & 255) + "." + (addr >> 16 & 255) + "." + (addr >> 24 & 255);
+}
+
+function inetNtop6(ints) {
+ var str = "";
+ var word = 0;
+ var longest = 0;
+ var lastzero = 0;
+ var zstart = 0;
+ var len = 0;
+ var i = 0;
+ var parts = [ ints[0] & 65535, ints[0] >> 16, ints[1] & 65535, ints[1] >> 16, ints[2] & 65535, ints[2] >> 16, ints[3] & 65535, ints[3] >> 16 ];
+ var hasipv4 = true;
+ var v4part = "";
+ for (i = 0; i < 5; i++) {
+  if (parts[i] !== 0) {
+   hasipv4 = false;
+   break;
+  }
+ }
+ if (hasipv4) {
+  v4part = inetNtop4(parts[6] | parts[7] << 16);
+  if (parts[5] === -1) {
+   str = "::ffff:";
+   str += v4part;
+   return str;
+  }
+  if (parts[5] === 0) {
+   str = "::";
+   if (v4part === "0.0.0.0") v4part = "";
+   if (v4part === "0.0.0.1") v4part = "1";
+   str += v4part;
+   return str;
+  }
+ }
+ for (word = 0; word < 8; word++) {
+  if (parts[word] === 0) {
+   if (word - lastzero > 1) {
+    len = 0;
+   }
+   lastzero = word;
+   len++;
+  }
+  if (len > longest) {
+   longest = len;
+   zstart = word - longest + 1;
+  }
+ }
+ for (word = 0; word < 8; word++) {
+  if (longest > 1) {
+   if (parts[word] === 0 && word >= zstart && word < zstart + longest) {
+    if (word === zstart) {
+     str += ":";
+     if (zstart === 0) str += ":";
+    }
+    continue;
+   }
+  }
+  str += Number(_ntohs(parts[word] & 65535)).toString(16);
+  str += word < 7 ? ":" : "";
+ }
+ return str;
+}
+
+function readSockaddr(sa, salen) {
+ var family = GROWABLE_HEAP_I16()[sa >> 1];
+ var port = _ntohs(GROWABLE_HEAP_U16()[sa + 2 >> 1]);
+ var addr;
+ switch (family) {
+ case 2:
+  if (salen !== 16) {
+   return {
+    errno: 28
+   };
+  }
+  addr = GROWABLE_HEAP_I32()[sa + 4 >> 2];
+  addr = inetNtop4(addr);
+  break;
+
+ case 10:
+  if (salen !== 28) {
+   return {
+    errno: 28
+   };
+  }
+  addr = [ GROWABLE_HEAP_I32()[sa + 8 >> 2], GROWABLE_HEAP_I32()[sa + 12 >> 2], GROWABLE_HEAP_I32()[sa + 16 >> 2], GROWABLE_HEAP_I32()[sa + 20 >> 2] ];
+  addr = inetNtop6(addr);
+  break;
+
+ default:
+  return {
+   errno: 5
+  };
+ }
+ return {
+  family: family,
+  addr: addr,
+  port: port
+ };
+}
+
+function getSocketAddress(addrp, addrlen, allowNull) {
+ if (allowNull && addrp === 0) return null;
+ var info = readSockaddr(addrp, addrlen);
+ if (info.errno) throw new FS.ErrnoError(info.errno);
+ info.addr = DNS.lookup_addr(info.addr) || info.addr;
+ return info;
+}
+
+function ___syscall_bind(fd, addr, addrlen) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(6, 1, fd, addr, addrlen);
+ try {
+  var sock = getSocketFromFD(fd);
+  var info = getSocketAddress(addr, addrlen);
+  sock.sock_ops.bind(sock, info.addr, info.port);
+  return 0;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_chdir(path) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(7, 1, path);
+ try {
+  path = SYSCALLS.getStr(path);
+  FS.chdir(path);
+  return 0;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_chmod(path, mode) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(8, 1, path, mode);
+ try {
+  path = SYSCALLS.getStr(path);
+  FS.chmod(path, mode);
+  return 0;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_connect(fd, addr, addrlen) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(9, 1, fd, addr, addrlen);
+ try {
+  var sock = getSocketFromFD(fd);
+  var info = getSocketAddress(addr, addrlen);
+  sock.sock_ops.connect(sock, info.addr, info.port);
+  return 0;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_faccessat(dirfd, path, amode, flags) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(10, 1, dirfd, path, amode, flags);
+ try {
+  path = SYSCALLS.getStr(path);
+  assert(flags === 0);
+  path = SYSCALLS.calculateAt(dirfd, path);
+  if (amode & ~7) {
+   return -28;
+  }
+  var lookup = FS.lookupPath(path, {
+   follow: true
+  });
+  var node = lookup.node;
+  if (!node) {
+   return -44;
+  }
+  var perms = "";
+  if (amode & 4) perms += "r";
+  if (amode & 2) perms += "w";
+  if (amode & 1) perms += "x";
+  if (perms && FS.nodePermissions(node, perms)) {
+   return -2;
+  }
+  return 0;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_fchmod(fd, mode) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(11, 1, fd, mode);
+ try {
+  FS.fchmod(fd, mode);
+  return 0;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_fcntl64(fd, cmd, varargs) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(12, 1, fd, cmd, varargs);
+ SYSCALLS.varargs = varargs;
+ try {
+  var stream = SYSCALLS.getStreamFromFD(fd);
+  switch (cmd) {
+  case 0:
+   {
+    var arg = SYSCALLS.get();
+    if (arg < 0) {
+     return -28;
+    }
+    var newStream;
+    newStream = FS.createStream(stream, arg);
+    return newStream.fd;
+   }
+
+  case 1:
+  case 2:
+   return 0;
+
+  case 3:
+   return stream.flags;
+
+  case 4:
+   {
+    var arg = SYSCALLS.get();
+    stream.flags |= arg;
+    return 0;
+   }
+
+  case 5:
+   {
+    var arg = SYSCALLS.get();
+    var offset = 0;
+    GROWABLE_HEAP_I16()[arg + offset >> 1] = 2;
+    return 0;
+   }
+
+  case 6:
+  case 7:
+   return 0;
+
+  case 16:
+  case 8:
+   return -28;
+
+  case 9:
+   setErrNo(28);
+   return -1;
+
+  default:
+   {
+    return -28;
+   }
+  }
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_getcwd(buf, size) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(13, 1, buf, size);
+ try {
+  if (size === 0) return -28;
+  var cwd = FS.cwd();
+  var cwdLengthInBytes = lengthBytesUTF8(cwd) + 1;
+  if (size < cwdLengthInBytes) return -68;
+  stringToUTF8(cwd, buf, size);
+  return cwdLengthInBytes;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_getdents64(fd, dirp, count) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(14, 1, fd, dirp, count);
+ try {
+  var stream = SYSCALLS.getStreamFromFD(fd);
+  if (!stream.getdents) {
+   stream.getdents = FS.readdir(stream.path);
+  }
+  var struct_size = 280;
+  var pos = 0;
+  var off = FS.llseek(stream, 0, 1);
+  var idx = Math.floor(off / struct_size);
+  while (idx < stream.getdents.length && pos + struct_size <= count) {
+   var id;
+   var type;
+   var name = stream.getdents[idx];
+   if (name === ".") {
+    id = stream.node.id;
+    type = 4;
+   } else if (name === "..") {
+    var lookup = FS.lookupPath(stream.path, {
+     parent: true
+    });
+    id = lookup.node.id;
+    type = 4;
+   } else {
+    var child = FS.lookupNode(stream.node, name);
+    id = child.id;
+    type = FS.isChrdev(child.mode) ? 2 : FS.isDir(child.mode) ? 4 : FS.isLink(child.mode) ? 10 : 8;
+   }
+   assert(id);
+   tempI64 = [ id >>> 0, (tempDouble = id, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
+   GROWABLE_HEAP_I32()[dirp + pos >> 2] = tempI64[0], GROWABLE_HEAP_I32()[dirp + pos + 4 >> 2] = tempI64[1];
+   tempI64 = [ (idx + 1) * struct_size >>> 0, (tempDouble = (idx + 1) * struct_size, 
+   +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
+   GROWABLE_HEAP_I32()[dirp + pos + 8 >> 2] = tempI64[0], GROWABLE_HEAP_I32()[dirp + pos + 12 >> 2] = tempI64[1];
+   GROWABLE_HEAP_I16()[dirp + pos + 16 >> 1] = 280;
+   GROWABLE_HEAP_I8()[dirp + pos + 18 >> 0] = type;
+   stringToUTF8(name, dirp + pos + 19, 256);
+   pos += struct_size;
+   idx += 1;
+  }
+  FS.llseek(stream, idx * struct_size, 0);
+  return pos;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_getsockname(fd, addr, addrlen) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(15, 1, fd, addr, addrlen);
+ try {
+  err("__syscall_getsockname " + fd);
+  var sock = getSocketFromFD(fd);
+  var errno = writeSockaddr(addr, sock.family, DNS.lookup_name(sock.saddr || "0.0.0.0"), sock.sport, addrlen);
+  assert(!errno);
+  return 0;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_getsockopt(fd, level, optname, optval, optlen) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(16, 1, fd, level, optname, optval, optlen);
+ try {
+  var sock = getSocketFromFD(fd);
+  if (level === 1) {
+   if (optname === 4) {
+    GROWABLE_HEAP_I32()[optval >> 2] = sock.error;
+    GROWABLE_HEAP_I32()[optlen >> 2] = 4;
+    sock.error = null;
+    return 0;
+   }
+  }
+  return -50;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_ioctl(fd, op, varargs) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(17, 1, fd, op, varargs);
+ SYSCALLS.varargs = varargs;
+ try {
+  var stream = SYSCALLS.getStreamFromFD(fd);
+  switch (op) {
+  case 21509:
+  case 21505:
+   {
+    if (!stream.tty) return -59;
+    return 0;
+   }
+
+  case 21510:
+  case 21511:
+  case 21512:
+  case 21506:
+  case 21507:
+  case 21508:
+   {
+    if (!stream.tty) return -59;
+    return 0;
+   }
+
+  case 21519:
+   {
+    if (!stream.tty) return -59;
+    var argp = SYSCALLS.get();
+    GROWABLE_HEAP_I32()[argp >> 2] = 0;
+    return 0;
+   }
+
+  case 21520:
+   {
+    if (!stream.tty) return -59;
+    return -28;
+   }
+
+  case 21531:
+   {
+    var argp = SYSCALLS.get();
+    return FS.ioctl(stream, op, argp);
+   }
+
+  case 21523:
+   {
+    if (!stream.tty) return -59;
+    return 0;
+   }
+
+  case 21524:
+   {
+    if (!stream.tty) return -59;
+    return 0;
+   }
+
+  default:
+   return -28;
+  }
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_listen(fd, backlog) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(18, 1, fd, backlog);
+ try {
+  var sock = getSocketFromFD(fd);
+  sock.sock_ops.listen(sock, backlog);
+  return 0;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_lstat64(path, buf) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(19, 1, path, buf);
+ try {
+  path = SYSCALLS.getStr(path);
+  return SYSCALLS.doStat(FS.lstat, path, buf);
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_mkdirat(dirfd, path, mode) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(20, 1, dirfd, path, mode);
+ try {
+  path = SYSCALLS.getStr(path);
+  path = SYSCALLS.calculateAt(dirfd, path);
+  path = PATH.normalize(path);
+  if (path[path.length - 1] === "/") path = path.substr(0, path.length - 1);
+  FS.mkdir(path, mode, 0);
+  return 0;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_newfstatat(dirfd, path, buf, flags) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(21, 1, dirfd, path, buf, flags);
+ try {
+  path = SYSCALLS.getStr(path);
+  var nofollow = flags & 256;
+  var allowEmpty = flags & 4096;
+  flags = flags & ~4352;
+  assert(!flags, flags);
+  path = SYSCALLS.calculateAt(dirfd, path, allowEmpty);
+  return SYSCALLS.doStat(nofollow ? FS.lstat : FS.stat, path, buf);
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_openat(dirfd, path, flags, varargs) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(22, 1, dirfd, path, flags, varargs);
+ SYSCALLS.varargs = varargs;
+ try {
+  path = SYSCALLS.getStr(path);
+  path = SYSCALLS.calculateAt(dirfd, path);
+  var mode = varargs ? SYSCALLS.get() : 0;
+  return FS.open(path, flags, mode).fd;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_poll(fds, nfds, timeout) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(23, 1, fds, nfds, timeout);
+ try {
+  var nonzero = 0;
+  for (var i = 0; i < nfds; i++) {
+   var pollfd = fds + 8 * i;
+   var fd = GROWABLE_HEAP_I32()[pollfd >> 2];
+   var events = GROWABLE_HEAP_I16()[pollfd + 4 >> 1];
+   var mask = 32;
+   var stream = FS.getStream(fd);
+   if (stream) {
+    mask = SYSCALLS.DEFAULT_POLLMASK;
+    if (stream.stream_ops.poll) {
+     mask = stream.stream_ops.poll(stream);
+    }
+   }
+   mask &= events | 8 | 16;
+   if (mask) nonzero++;
+   GROWABLE_HEAP_I16()[pollfd + 6 >> 1] = mask;
+  }
+  return nonzero;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_readlinkat(dirfd, path, buf, bufsize) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(24, 1, dirfd, path, buf, bufsize);
+ try {
+  path = SYSCALLS.getStr(path);
+  path = SYSCALLS.calculateAt(dirfd, path);
+  if (bufsize <= 0) return -28;
+  var ret = FS.readlink(path);
+  var len = Math.min(bufsize, lengthBytesUTF8(ret));
+  var endChar = GROWABLE_HEAP_I8()[buf + len];
+  stringToUTF8(ret, buf, bufsize + 1);
+  GROWABLE_HEAP_I8()[buf + len] = endChar;
+  return len;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_recvfrom(fd, buf, len, flags, addr, addrlen) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(25, 1, fd, buf, len, flags, addr, addrlen);
+ try {
+  var sock = getSocketFromFD(fd);
+  var msg = sock.sock_ops.recvmsg(sock, len);
+  if (!msg) return 0;
+  if (addr) {
+   var errno = writeSockaddr(addr, sock.family, DNS.lookup_name(msg.addr), msg.port, addrlen);
+   assert(!errno);
+  }
+  GROWABLE_HEAP_U8().set(msg.buffer, buf);
+  return msg.buffer.byteLength;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_renameat(olddirfd, oldpath, newdirfd, newpath) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(26, 1, olddirfd, oldpath, newdirfd, newpath);
+ try {
+  oldpath = SYSCALLS.getStr(oldpath);
+  newpath = SYSCALLS.getStr(newpath);
+  oldpath = SYSCALLS.calculateAt(olddirfd, oldpath);
+  newpath = SYSCALLS.calculateAt(newdirfd, newpath);
+  FS.rename(oldpath, newpath);
+  return 0;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_rmdir(path) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(27, 1, path);
+ try {
+  path = SYSCALLS.getStr(path);
+  FS.rmdir(path);
+  return 0;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_sendto(fd, message, length, flags, addr, addr_len) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(28, 1, fd, message, length, flags, addr, addr_len);
+ try {
+  var sock = getSocketFromFD(fd);
+  var dest = getSocketAddress(addr, addr_len, true);
+  if (!dest) {
+   return FS.write(sock.stream, GROWABLE_HEAP_I8(), message, length);
+  }
+  return sock.sock_ops.sendmsg(sock, GROWABLE_HEAP_I8(), message, length, dest.addr, dest.port);
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_socket(domain, type, protocol) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(29, 1, domain, type, protocol);
+ try {
+  var sock = SOCKFS.createSocket(domain, type, protocol);
+  assert(sock.stream.fd < 64);
+  return sock.stream.fd;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_stat64(path, buf) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(30, 1, path, buf);
+ try {
+  path = SYSCALLS.getStr(path);
+  return SYSCALLS.doStat(FS.stat, path, buf);
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_statfs64(path, size, buf) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(31, 1, path, size, buf);
+ try {
+  path = SYSCALLS.getStr(path);
+  assert(size === 64);
+  GROWABLE_HEAP_I32()[buf + 4 >> 2] = 4096;
+  GROWABLE_HEAP_I32()[buf + 40 >> 2] = 4096;
+  GROWABLE_HEAP_I32()[buf + 8 >> 2] = 1e6;
+  GROWABLE_HEAP_I32()[buf + 12 >> 2] = 5e5;
+  GROWABLE_HEAP_I32()[buf + 16 >> 2] = 5e5;
+  GROWABLE_HEAP_I32()[buf + 20 >> 2] = FS.nextInode;
+  GROWABLE_HEAP_I32()[buf + 24 >> 2] = 1e6;
+  GROWABLE_HEAP_I32()[buf + 28 >> 2] = 42;
+  GROWABLE_HEAP_I32()[buf + 44 >> 2] = 2;
+  GROWABLE_HEAP_I32()[buf + 36 >> 2] = 255;
+  return 0;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_symlink(target, linkpath) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(32, 1, target, linkpath);
+ try {
+  target = SYSCALLS.getStr(target);
+  linkpath = SYSCALLS.getStr(linkpath);
+  FS.symlink(target, linkpath);
+  return 0;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function ___syscall_unlinkat(dirfd, path, flags) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(33, 1, dirfd, path, flags);
+ try {
+  path = SYSCALLS.getStr(path);
+  path = SYSCALLS.calculateAt(dirfd, path);
+  if (flags === 0) {
+   FS.unlink(path);
+  } else if (flags === 512) {
+   FS.rmdir(path);
+  } else {
+   abort("Invalid flags passed to unlinkat");
+  }
+  return 0;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function __dlinit(main_dso_handle) {}
+
+var dlopenMissingError = "To use dlopen, you need enable dynamic linking, see https://github.com/emscripten-core/emscripten/wiki/Linking";
+
+function __dlopen_js(filename, flag) {
+ abort(dlopenMissingError);
+}
+
+function __dlsym_js(handle, symbol) {
+ abort(dlopenMissingError);
+}
+
+function __emscripten_date_now() {
+ return Date.now();
+}
+
+function __emscripten_default_pthread_stack_size() {
+ return 2097152;
+}
+
+var nowIsMonotonic = true;
+
+function __emscripten_get_now_is_monotonic() {
+ return nowIsMonotonic;
+}
+
+function executeNotifiedProxyingQueue(queue) {
+ Atomics.store(GROWABLE_HEAP_I32(), queue >> 2, 1);
+ if (_pthread_self()) {
+  __emscripten_proxy_execute_task_queue(queue);
+ }
+ Atomics.compareExchange(GROWABLE_HEAP_I32(), queue >> 2, 1, 0);
+}
+
+Module["executeNotifiedProxyingQueue"] = executeNotifiedProxyingQueue;
+
+function __emscripten_notify_task_queue(targetThreadId, currThreadId, mainThreadId, queue) {
+ if (targetThreadId == currThreadId) {
+  setTimeout(() => executeNotifiedProxyingQueue(queue));
+ } else if (ENVIRONMENT_IS_PTHREAD) {
+  postMessage({
+   "targetThread": targetThreadId,
+   "cmd": "processProxyingQueue",
+   "queue": queue
+  });
+ } else {
+  var worker = PThread.pthreads[targetThreadId];
+  if (!worker) {
+   err("Cannot send message to thread with ID " + targetThreadId + ", unknown thread ID!");
+   return;
+  }
+  worker.postMessage({
+   "cmd": "processProxyingQueue",
+   "queue": queue
+  });
+ }
+ return 1;
+}
+
+function __emscripten_proxied_gl_context_activated_from_main_browser_thread(contextHandle) {
+ GLctx = Module.ctx = GL.currentContext = contextHandle;
+ GL.currentContextIsProxied = true;
+}
+
+function __emscripten_set_offscreencanvas_size(target, width, height) {
+ err("emscripten_set_offscreencanvas_size: Build with -sOFFSCREENCANVAS_SUPPORT=1 to enable transferring canvases to pthreads.");
+ return -1;
+}
+
+function __emscripten_throw_longjmp() {
+ throw Infinity;
+}
+
+function readI53FromI64(ptr) {
+ return GROWABLE_HEAP_U32()[ptr >> 2] + GROWABLE_HEAP_I32()[ptr + 4 >> 2] * 4294967296;
+}
+
+function __gmtime_js(time, tmPtr) {
+ var date = new Date(readI53FromI64(time) * 1e3);
+ GROWABLE_HEAP_I32()[tmPtr >> 2] = date.getUTCSeconds();
+ GROWABLE_HEAP_I32()[tmPtr + 4 >> 2] = date.getUTCMinutes();
+ GROWABLE_HEAP_I32()[tmPtr + 8 >> 2] = date.getUTCHours();
+ GROWABLE_HEAP_I32()[tmPtr + 12 >> 2] = date.getUTCDate();
+ GROWABLE_HEAP_I32()[tmPtr + 16 >> 2] = date.getUTCMonth();
+ GROWABLE_HEAP_I32()[tmPtr + 20 >> 2] = date.getUTCFullYear() - 1900;
+ GROWABLE_HEAP_I32()[tmPtr + 24 >> 2] = date.getUTCDay();
+ var start = Date.UTC(date.getUTCFullYear(), 0, 1, 0, 0, 0, 0);
+ var yday = (date.getTime() - start) / (1e3 * 60 * 60 * 24) | 0;
+ GROWABLE_HEAP_I32()[tmPtr + 28 >> 2] = yday;
+}
+
+function __localtime_js(time, tmPtr) {
+ var date = new Date(readI53FromI64(time) * 1e3);
+ GROWABLE_HEAP_I32()[tmPtr >> 2] = date.getSeconds();
+ GROWABLE_HEAP_I32()[tmPtr + 4 >> 2] = date.getMinutes();
+ GROWABLE_HEAP_I32()[tmPtr + 8 >> 2] = date.getHours();
+ GROWABLE_HEAP_I32()[tmPtr + 12 >> 2] = date.getDate();
+ GROWABLE_HEAP_I32()[tmPtr + 16 >> 2] = date.getMonth();
+ GROWABLE_HEAP_I32()[tmPtr + 20 >> 2] = date.getFullYear() - 1900;
+ GROWABLE_HEAP_I32()[tmPtr + 24 >> 2] = date.getDay();
+ var start = new Date(date.getFullYear(), 0, 1);
+ var yday = (date.getTime() - start.getTime()) / (1e3 * 60 * 60 * 24) | 0;
+ GROWABLE_HEAP_I32()[tmPtr + 28 >> 2] = yday;
+ GROWABLE_HEAP_I32()[tmPtr + 36 >> 2] = -(date.getTimezoneOffset() * 60);
+ var summerOffset = new Date(date.getFullYear(), 6, 1).getTimezoneOffset();
+ var winterOffset = start.getTimezoneOffset();
+ var dst = (summerOffset != winterOffset && date.getTimezoneOffset() == Math.min(winterOffset, summerOffset)) | 0;
+ GROWABLE_HEAP_I32()[tmPtr + 32 >> 2] = dst;
+}
+
+function __mmap_js(len, prot, flags, fd, off, allocated) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(34, 1, len, prot, flags, fd, off, allocated);
+ try {
+  var stream = FS.getStream(fd);
+  if (!stream) return -8;
+  var res = FS.mmap(stream, len, off, prot, flags);
+  var ptr = res.ptr;
+  GROWABLE_HEAP_I32()[allocated >> 2] = res.allocated;
+  return ptr;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function __munmap_js(addr, len, prot, flags, fd, offset) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(35, 1, addr, len, prot, flags, fd, offset);
+ try {
+  var stream = FS.getStream(fd);
+  if (stream) {
+   if (prot & 2) {
+    SYSCALLS.doMsync(addr, stream, len, flags, offset);
+   }
+   FS.munmap(stream);
+  }
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return -e.errno;
+ }
+}
+
+function allocateUTF8(str) {
+ var size = lengthBytesUTF8(str) + 1;
+ var ret = _malloc(size);
+ if (ret) stringToUTF8Array(str, GROWABLE_HEAP_I8(), ret, size);
+ return ret;
+}
+
+function _tzset_impl(timezone, daylight, tzname) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(36, 1, timezone, daylight, tzname);
+ var currentYear = new Date().getFullYear();
+ var winter = new Date(currentYear, 0, 1);
+ var summer = new Date(currentYear, 6, 1);
+ var winterOffset = winter.getTimezoneOffset();
+ var summerOffset = summer.getTimezoneOffset();
+ var stdTimezoneOffset = Math.max(winterOffset, summerOffset);
+ GROWABLE_HEAP_I32()[timezone >> 2] = stdTimezoneOffset * 60;
+ GROWABLE_HEAP_I32()[daylight >> 2] = Number(winterOffset != summerOffset);
+ function extractZone(date) {
+  var match = date.toTimeString().match(/\(([A-Za-z ]+)\)$/);
+  return match ? match[1] : "GMT";
+ }
+ var winterName = extractZone(winter);
+ var summerName = extractZone(summer);
+ var winterNamePtr = allocateUTF8(winterName);
+ var summerNamePtr = allocateUTF8(summerName);
+ if (summerOffset < winterOffset) {
+  GROWABLE_HEAP_U32()[tzname >> 2] = winterNamePtr;
+  GROWABLE_HEAP_U32()[tzname + 4 >> 2] = summerNamePtr;
+ } else {
+  GROWABLE_HEAP_U32()[tzname >> 2] = summerNamePtr;
+  GROWABLE_HEAP_U32()[tzname + 4 >> 2] = winterNamePtr;
+ }
+}
+
+function __tzset_js(timezone, daylight, tzname) {
+ if (__tzset_js.called) return;
+ __tzset_js.called = true;
+ _tzset_impl(timezone, daylight, tzname);
+}
+
+function _abort() {
+ abort("native code called abort()");
+}
+
+function runtimeKeepalivePush() {
+ runtimeKeepaliveCounter += 1;
+}
+
+function _emscripten_set_main_loop_timing(mode, value) {
+ Browser.mainLoop.timingMode = mode;
+ Browser.mainLoop.timingValue = value;
+ if (!Browser.mainLoop.func) {
+  err("emscripten_set_main_loop_timing: Cannot set timing mode for main loop since a main loop does not exist! Call emscripten_set_main_loop first to set one up.");
+  return 1;
+ }
+ if (!Browser.mainLoop.running) {
+  runtimeKeepalivePush();
+  Browser.mainLoop.running = true;
+ }
+ if (mode == 0) {
+  Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setTimeout() {
+   var timeUntilNextTick = Math.max(0, Browser.mainLoop.tickStartTime + value - _emscripten_get_now()) | 0;
+   setTimeout(Browser.mainLoop.runner, timeUntilNextTick);
+  };
+  Browser.mainLoop.method = "timeout";
+ } else if (mode == 1) {
+  Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_rAF() {
+   Browser.requestAnimationFrame(Browser.mainLoop.runner);
+  };
+  Browser.mainLoop.method = "rAF";
+ } else if (mode == 2) {
+  if (typeof setImmediate == "undefined") {
+   var setImmediates = [];
+   var emscriptenMainLoopMessageId = "setimmediate";
+   var Browser_setImmediate_messageHandler = event => {
+    if (event.data === emscriptenMainLoopMessageId || event.data.target === emscriptenMainLoopMessageId) {
+     event.stopPropagation();
+     setImmediates.shift()();
+    }
+   };
+   addEventListener("message", Browser_setImmediate_messageHandler, true);
+   setImmediate = function Browser_emulated_setImmediate(func) {
+    setImmediates.push(func);
+    if (ENVIRONMENT_IS_WORKER) {
+     if (Module["setImmediates"] === undefined) Module["setImmediates"] = [];
+     Module["setImmediates"].push(func);
+     postMessage({
+      target: emscriptenMainLoopMessageId
+     });
+    } else postMessage(emscriptenMainLoopMessageId, "*");
+   };
+  }
+  Browser.mainLoop.scheduler = function Browser_mainLoop_scheduler_setImmediate() {
+   setImmediate(Browser.mainLoop.runner);
+  };
+  Browser.mainLoop.method = "immediate";
+ }
+ return 0;
+}
+
+var _emscripten_get_now;
+
+if (ENVIRONMENT_IS_PTHREAD) {
+ _emscripten_get_now = () => performance.now() - Module["__performance_now_clock_drift"];
+} else _emscripten_get_now = () => performance.now();
+
+function maybeExit() {
+ if (!keepRuntimeAlive()) {
+  try {
+   if (ENVIRONMENT_IS_PTHREAD) __emscripten_thread_exit(EXITSTATUS); else _exit(EXITSTATUS);
+  } catch (e) {
+   handleException(e);
+  }
+ }
+}
+
+function runtimeKeepalivePop() {
+ assert(runtimeKeepaliveCounter > 0);
+ runtimeKeepaliveCounter -= 1;
+}
+
+function setMainLoop(browserIterationFunc, fps, simulateInfiniteLoop, arg, noSetTiming) {
+ assert(!Browser.mainLoop.func, "emscripten_set_main_loop: there can only be one main loop function at once: call emscripten_cancel_main_loop to cancel the previous one before setting a new one with different parameters.");
+ Browser.mainLoop.func = browserIterationFunc;
+ Browser.mainLoop.arg = arg;
+ var thisMainLoopId = Browser.mainLoop.currentlyRunningMainloop;
+ function checkIsRunning() {
+  if (thisMainLoopId < Browser.mainLoop.currentlyRunningMainloop) {
+   runtimeKeepalivePop();
+   maybeExit();
+   return false;
+  }
+  return true;
+ }
+ Browser.mainLoop.running = false;
+ Browser.mainLoop.runner = function Browser_mainLoop_runner() {
+  if (ABORT) return;
+  if (Browser.mainLoop.queue.length > 0) {
+   var start = Date.now();
+   var blocker = Browser.mainLoop.queue.shift();
+   blocker.func(blocker.arg);
+   if (Browser.mainLoop.remainingBlockers) {
+    var remaining = Browser.mainLoop.remainingBlockers;
+    var next = remaining % 1 == 0 ? remaining - 1 : Math.floor(remaining);
+    if (blocker.counted) {
+     Browser.mainLoop.remainingBlockers = next;
+    } else {
+     next = next + .5;
+     Browser.mainLoop.remainingBlockers = (8 * remaining + next) / 9;
+    }
+   }
+   out('main loop blocker "' + blocker.name + '" took ' + (Date.now() - start) + " ms");
+   Browser.mainLoop.updateStatus();
+   if (!checkIsRunning()) return;
+   setTimeout(Browser.mainLoop.runner, 0);
+   return;
+  }
+  if (!checkIsRunning()) return;
+  Browser.mainLoop.currentFrameNumber = Browser.mainLoop.currentFrameNumber + 1 | 0;
+  if (Browser.mainLoop.timingMode == 1 && Browser.mainLoop.timingValue > 1 && Browser.mainLoop.currentFrameNumber % Browser.mainLoop.timingValue != 0) {
+   Browser.mainLoop.scheduler();
+   return;
+  } else if (Browser.mainLoop.timingMode == 0) {
+   Browser.mainLoop.tickStartTime = _emscripten_get_now();
+  }
+  if (Browser.mainLoop.method === "timeout" && Module.ctx) {
+   warnOnce("Looks like you are rendering without using requestAnimationFrame for the main loop. You should use 0 for the frame rate in emscripten_set_main_loop in order to use requestAnimationFrame, as that can greatly improve your frame rates!");
+   Browser.mainLoop.method = "";
+  }
+  Browser.mainLoop.runIter(browserIterationFunc);
+  checkStackCookie();
+  if (!checkIsRunning()) return;
+  if (typeof SDL == "object" && SDL.audio && SDL.audio.queueNewAudioData) SDL.audio.queueNewAudioData();
+  Browser.mainLoop.scheduler();
+ };
+ if (!noSetTiming) {
+  if (fps && fps > 0) _emscripten_set_main_loop_timing(0, 1e3 / fps); else _emscripten_set_main_loop_timing(1, 1);
+  Browser.mainLoop.scheduler();
+ }
+ if (simulateInfiniteLoop) {
+  throw "unwind";
+ }
+}
+
+function callUserCallback(func) {
+ if (runtimeExited || ABORT) {
+  err("user callback triggered after runtime exited or application aborted.  Ignoring.");
+  return;
+ }
+ try {
+  func();
+  maybeExit();
+ } catch (e) {
+  handleException(e);
+ }
+}
+
+function safeSetTimeout(func, timeout) {
+ runtimeKeepalivePush();
+ return setTimeout(function() {
+  runtimeKeepalivePop();
+  callUserCallback(func);
+ }, timeout);
+}
+
+function warnOnce(text) {
+ if (!warnOnce.shown) warnOnce.shown = {};
+ if (!warnOnce.shown[text]) {
+  warnOnce.shown[text] = 1;
+  err(text);
+ }
+}
+
+var Browser = {
+ mainLoop: {
+  running: false,
+  scheduler: null,
+  method: "",
+  currentlyRunningMainloop: 0,
+  func: null,
+  arg: 0,
+  timingMode: 0,
+  timingValue: 0,
+  currentFrameNumber: 0,
+  queue: [],
+  pause: function() {
+   Browser.mainLoop.scheduler = null;
+   Browser.mainLoop.currentlyRunningMainloop++;
+  },
+  resume: function() {
+   Browser.mainLoop.currentlyRunningMainloop++;
+   var timingMode = Browser.mainLoop.timingMode;
+   var timingValue = Browser.mainLoop.timingValue;
+   var func = Browser.mainLoop.func;
+   Browser.mainLoop.func = null;
+   setMainLoop(func, 0, false, Browser.mainLoop.arg, true);
+   _emscripten_set_main_loop_timing(timingMode, timingValue);
+   Browser.mainLoop.scheduler();
+  },
+  updateStatus: function() {
+   if (Module["setStatus"]) {
+    var message = Module["statusMessage"] || "Please wait...";
+    var remaining = Browser.mainLoop.remainingBlockers;
+    var expected = Browser.mainLoop.expectedBlockers;
+    if (remaining) {
+     if (remaining < expected) {
+      Module["setStatus"](message + " (" + (expected - remaining) + "/" + expected + ")");
+     } else {
+      Module["setStatus"](message);
+     }
+    } else {
+     Module["setStatus"]("");
+    }
+   }
+  },
+  runIter: function(func) {
+   if (ABORT) return;
+   if (Module["preMainLoop"]) {
+    var preRet = Module["preMainLoop"]();
+    if (preRet === false) {
+     return;
+    }
+   }
+   callUserCallback(func);
+   if (Module["postMainLoop"]) Module["postMainLoop"]();
+  }
+ },
+ isFullscreen: false,
+ pointerLock: false,
+ moduleContextCreatedCallbacks: [],
+ workers: [],
+ init: function() {
+  if (!Module["preloadPlugins"]) Module["preloadPlugins"] = [];
+  if (Browser.initted) return;
+  Browser.initted = true;
+  try {
+   new Blob();
+   Browser.hasBlobConstructor = true;
+  } catch (e) {
+   Browser.hasBlobConstructor = false;
+   err("warning: no blob constructor, cannot create blobs with mimetypes");
+  }
+  Browser.BlobBuilder = typeof MozBlobBuilder != "undefined" ? MozBlobBuilder : typeof WebKitBlobBuilder != "undefined" ? WebKitBlobBuilder : !Browser.hasBlobConstructor ? err("warning: no BlobBuilder") : null;
+  Browser.URLObject = typeof window != "undefined" ? window.URL ? window.URL : window.webkitURL : undefined;
+  if (!Module.noImageDecoding && typeof Browser.URLObject == "undefined") {
+   err("warning: Browser does not support creating object URLs. Built-in browser image decoding will not be available.");
+   Module.noImageDecoding = true;
+  }
+  var imagePlugin = {};
+  imagePlugin["canHandle"] = function imagePlugin_canHandle(name) {
+   return !Module.noImageDecoding && /\.(jpg|jpeg|png|bmp)$/i.test(name);
+  };
+  imagePlugin["handle"] = function imagePlugin_handle(byteArray, name, onload, onerror) {
+   var b = null;
+   if (Browser.hasBlobConstructor) {
+    try {
+     b = new Blob([ byteArray ], {
+      type: Browser.getMimetype(name)
+     });
+     if (b.size !== byteArray.length) {
+      b = new Blob([ new Uint8Array(byteArray).buffer ], {
+       type: Browser.getMimetype(name)
+      });
+     }
+    } catch (e) {
+     warnOnce("Blob constructor present but fails: " + e + "; falling back to blob builder");
+    }
+   }
+   if (!b) {
+    var bb = new Browser.BlobBuilder();
+    bb.append(new Uint8Array(byteArray).buffer);
+    b = bb.getBlob();
+   }
+   var url = Browser.URLObject.createObjectURL(b);
+   assert(typeof url == "string", "createObjectURL must return a url as a string");
+   var img = new Image();
+   img.onload = () => {
+    assert(img.complete, "Image " + name + " could not be decoded");
+    var canvas = document.createElement("canvas");
+    canvas.width = img.width;
+    canvas.height = img.height;
+    var ctx = canvas.getContext("2d");
+    ctx.drawImage(img, 0, 0);
+    preloadedImages[name] = canvas;
+    Browser.URLObject.revokeObjectURL(url);
+    if (onload) onload(byteArray);
+   };
+   img.onerror = event => {
+    out("Image " + url + " could not be decoded");
+    if (onerror) onerror();
+   };
+   img.src = url;
+  };
+  Module["preloadPlugins"].push(imagePlugin);
+  var audioPlugin = {};
+  audioPlugin["canHandle"] = function audioPlugin_canHandle(name) {
+   return !Module.noAudioDecoding && name.substr(-4) in {
+    ".ogg": 1,
+    ".wav": 1,
+    ".mp3": 1
+   };
+  };
+  audioPlugin["handle"] = function audioPlugin_handle(byteArray, name, onload, onerror) {
+   var done = false;
+   function finish(audio) {
+    if (done) return;
+    done = true;
+    preloadedAudios[name] = audio;
+    if (onload) onload(byteArray);
+   }
+   function fail() {
+    if (done) return;
+    done = true;
+    preloadedAudios[name] = new Audio();
+    if (onerror) onerror();
+   }
+   if (Browser.hasBlobConstructor) {
+    try {
+     var b = new Blob([ byteArray ], {
+      type: Browser.getMimetype(name)
+     });
+    } catch (e) {
+     return fail();
+    }
+    var url = Browser.URLObject.createObjectURL(b);
+    assert(typeof url == "string", "createObjectURL must return a url as a string");
+    var audio = new Audio();
+    audio.addEventListener("canplaythrough", () => finish(audio), false);
+    audio.onerror = function audio_onerror(event) {
+     if (done) return;
+     err("warning: browser could not fully decode audio " + name + ", trying slower base64 approach");
+     function encode64(data) {
+      var BASE = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+      var PAD = "=";
+      var ret = "";
+      var leftchar = 0;
+      var leftbits = 0;
+      for (var i = 0; i < data.length; i++) {
+       leftchar = leftchar << 8 | data[i];
+       leftbits += 8;
+       while (leftbits >= 6) {
+        var curr = leftchar >> leftbits - 6 & 63;
+        leftbits -= 6;
+        ret += BASE[curr];
+       }
+      }
+      if (leftbits == 2) {
+       ret += BASE[(leftchar & 3) << 4];
+       ret += PAD + PAD;
+      } else if (leftbits == 4) {
+       ret += BASE[(leftchar & 15) << 2];
+       ret += PAD;
+      }
+      return ret;
+     }
+     audio.src = "data:audio/x-" + name.substr(-3) + ";base64," + encode64(byteArray);
+     finish(audio);
+    };
+    audio.src = url;
+    safeSetTimeout(function() {
+     finish(audio);
+    }, 1e4);
+   } else {
+    return fail();
+   }
+  };
+  Module["preloadPlugins"].push(audioPlugin);
+  function pointerLockChange() {
+   Browser.pointerLock = document["pointerLockElement"] === Module["canvas"] || document["mozPointerLockElement"] === Module["canvas"] || document["webkitPointerLockElement"] === Module["canvas"] || document["msPointerLockElement"] === Module["canvas"];
+  }
+  var canvas = Module["canvas"];
+  if (canvas) {
+   canvas.requestPointerLock = canvas["requestPointerLock"] || canvas["mozRequestPointerLock"] || canvas["webkitRequestPointerLock"] || canvas["msRequestPointerLock"] || (() => {});
+   canvas.exitPointerLock = document["exitPointerLock"] || document["mozExitPointerLock"] || document["webkitExitPointerLock"] || document["msExitPointerLock"] || (() => {});
+   canvas.exitPointerLock = canvas.exitPointerLock.bind(document);
+   document.addEventListener("pointerlockchange", pointerLockChange, false);
+   document.addEventListener("mozpointerlockchange", pointerLockChange, false);
+   document.addEventListener("webkitpointerlockchange", pointerLockChange, false);
+   document.addEventListener("mspointerlockchange", pointerLockChange, false);
+   if (Module["elementPointerLock"]) {
+    canvas.addEventListener("click", ev => {
+     if (!Browser.pointerLock && Module["canvas"].requestPointerLock) {
+      Module["canvas"].requestPointerLock();
+      ev.preventDefault();
+     }
+    }, false);
+   }
+  }
+ },
+ handledByPreloadPlugin: function(byteArray, fullname, finish, onerror) {
+  Browser.init();
+  var handled = false;
+  Module["preloadPlugins"].forEach(function(plugin) {
+   if (handled) return;
+   if (plugin["canHandle"](fullname)) {
+    plugin["handle"](byteArray, fullname, finish, onerror);
+    handled = true;
+   }
+  });
+  return handled;
+ },
+ createContext: function(canvas, useWebGL, setInModule, webGLContextAttributes) {
+  if (useWebGL && Module.ctx && canvas == Module.canvas) return Module.ctx;
+  var ctx;
+  var contextHandle;
+  if (useWebGL) {
+   var contextAttributes = {
+    antialias: false,
+    alpha: false,
+    majorVersion: typeof WebGL2RenderingContext != "undefined" ? 2 : 1
+   };
+   if (webGLContextAttributes) {
+    for (var attribute in webGLContextAttributes) {
+     contextAttributes[attribute] = webGLContextAttributes[attribute];
+    }
+   }
+   if (typeof GL != "undefined") {
+    contextHandle = GL.createContext(canvas, contextAttributes);
+    if (contextHandle) {
+     ctx = GL.getContext(contextHandle).GLctx;
+    }
+   }
+  } else {
+   ctx = canvas.getContext("2d");
+  }
+  if (!ctx) return null;
+  if (setInModule) {
+   if (!useWebGL) assert(typeof GLctx == "undefined", "cannot set in module if GLctx is used, but we are a non-GL context that would replace it");
+   Module.ctx = ctx;
+   if (useWebGL) GL.makeContextCurrent(contextHandle);
+   Module.useWebGL = useWebGL;
+   Browser.moduleContextCreatedCallbacks.forEach(function(callback) {
+    callback();
+   });
+   Browser.init();
+  }
+  return ctx;
+ },
+ destroyContext: function(canvas, useWebGL, setInModule) {},
+ fullscreenHandlersInstalled: false,
+ lockPointer: undefined,
+ resizeCanvas: undefined,
+ requestFullscreen: function(lockPointer, resizeCanvas) {
+  Browser.lockPointer = lockPointer;
+  Browser.resizeCanvas = resizeCanvas;
+  if (typeof Browser.lockPointer == "undefined") Browser.lockPointer = true;
+  if (typeof Browser.resizeCanvas == "undefined") Browser.resizeCanvas = false;
+  var canvas = Module["canvas"];
+  function fullscreenChange() {
+   Browser.isFullscreen = false;
+   var canvasContainer = canvas.parentNode;
+   if ((document["fullscreenElement"] || document["mozFullScreenElement"] || document["msFullscreenElement"] || document["webkitFullscreenElement"] || document["webkitCurrentFullScreenElement"]) === canvasContainer) {
+    canvas.exitFullscreen = Browser.exitFullscreen;
+    if (Browser.lockPointer) canvas.requestPointerLock();
+    Browser.isFullscreen = true;
+    if (Browser.resizeCanvas) {
+     Browser.setFullscreenCanvasSize();
+    } else {
+     Browser.updateCanvasDimensions(canvas);
+    }
+   } else {
+    canvasContainer.parentNode.insertBefore(canvas, canvasContainer);
+    canvasContainer.parentNode.removeChild(canvasContainer);
+    if (Browser.resizeCanvas) {
+     Browser.setWindowedCanvasSize();
+    } else {
+     Browser.updateCanvasDimensions(canvas);
+    }
+   }
+   if (Module["onFullScreen"]) Module["onFullScreen"](Browser.isFullscreen);
+   if (Module["onFullscreen"]) Module["onFullscreen"](Browser.isFullscreen);
+  }
+  if (!Browser.fullscreenHandlersInstalled) {
+   Browser.fullscreenHandlersInstalled = true;
+   document.addEventListener("fullscreenchange", fullscreenChange, false);
+   document.addEventListener("mozfullscreenchange", fullscreenChange, false);
+   document.addEventListener("webkitfullscreenchange", fullscreenChange, false);
+   document.addEventListener("MSFullscreenChange", fullscreenChange, false);
+  }
+  var canvasContainer = document.createElement("div");
+  canvas.parentNode.insertBefore(canvasContainer, canvas);
+  canvasContainer.appendChild(canvas);
+  canvasContainer.requestFullscreen = canvasContainer["requestFullscreen"] || canvasContainer["mozRequestFullScreen"] || canvasContainer["msRequestFullscreen"] || (canvasContainer["webkitRequestFullscreen"] ? () => canvasContainer["webkitRequestFullscreen"](Element["ALLOW_KEYBOARD_INPUT"]) : null) || (canvasContainer["webkitRequestFullScreen"] ? () => canvasContainer["webkitRequestFullScreen"](Element["ALLOW_KEYBOARD_INPUT"]) : null);
+  canvasContainer.requestFullscreen();
+ },
+ requestFullScreen: function() {
+  abort("Module.requestFullScreen has been replaced by Module.requestFullscreen (without a capital S)");
+ },
+ exitFullscreen: function() {
+  if (!Browser.isFullscreen) {
+   return false;
+  }
+  var CFS = document["exitFullscreen"] || document["cancelFullScreen"] || document["mozCancelFullScreen"] || document["msExitFullscreen"] || document["webkitCancelFullScreen"] || function() {};
+  CFS.apply(document, []);
+  return true;
+ },
+ nextRAF: 0,
+ fakeRequestAnimationFrame: function(func) {
+  var now = Date.now();
+  if (Browser.nextRAF === 0) {
+   Browser.nextRAF = now + 1e3 / 60;
+  } else {
+   while (now + 2 >= Browser.nextRAF) {
+    Browser.nextRAF += 1e3 / 60;
+   }
+  }
+  var delay = Math.max(Browser.nextRAF - now, 0);
+  setTimeout(func, delay);
+ },
+ requestAnimationFrame: function(func) {
+  if (typeof requestAnimationFrame == "function") {
+   requestAnimationFrame(func);
+   return;
+  }
+  var RAF = Browser.fakeRequestAnimationFrame;
+  RAF(func);
+ },
+ safeSetTimeout: function(func) {
+  return safeSetTimeout(func);
+ },
+ safeRequestAnimationFrame: function(func) {
+  runtimeKeepalivePush();
+  return Browser.requestAnimationFrame(function() {
+   runtimeKeepalivePop();
+   callUserCallback(func);
+  });
+ },
+ getMimetype: function(name) {
+  return {
+   "jpg": "image/jpeg",
+   "jpeg": "image/jpeg",
+   "png": "image/png",
+   "bmp": "image/bmp",
+   "ogg": "audio/ogg",
+   "wav": "audio/wav",
+   "mp3": "audio/mpeg"
+  }[name.substr(name.lastIndexOf(".") + 1)];
+ },
+ getUserMedia: function(func) {
+  if (!window.getUserMedia) {
+   window.getUserMedia = navigator["getUserMedia"] || navigator["mozGetUserMedia"];
+  }
+  window.getUserMedia(func);
+ },
+ getMovementX: function(event) {
+  return event["movementX"] || event["mozMovementX"] || event["webkitMovementX"] || 0;
+ },
+ getMovementY: function(event) {
+  return event["movementY"] || event["mozMovementY"] || event["webkitMovementY"] || 0;
+ },
+ getMouseWheelDelta: function(event) {
+  var delta = 0;
+  switch (event.type) {
+  case "DOMMouseScroll":
+   delta = event.detail / 3;
+   break;
+
+  case "mousewheel":
+   delta = event.wheelDelta / 120;
+   break;
+
+  case "wheel":
+   delta = event.deltaY;
+   switch (event.deltaMode) {
+   case 0:
+    delta /= 100;
+    break;
+
+   case 1:
+    delta /= 3;
+    break;
+
+   case 2:
+    delta *= 80;
+    break;
+
+   default:
+    throw "unrecognized mouse wheel delta mode: " + event.deltaMode;
+   }
+   break;
+
+  default:
+   throw "unrecognized mouse wheel event: " + event.type;
+  }
+  return delta;
+ },
+ mouseX: 0,
+ mouseY: 0,
+ mouseMovementX: 0,
+ mouseMovementY: 0,
+ touches: {},
+ lastTouches: {},
+ calculateMouseEvent: function(event) {
+  if (Browser.pointerLock) {
+   if (event.type != "mousemove" && "mozMovementX" in event) {
+    Browser.mouseMovementX = Browser.mouseMovementY = 0;
+   } else {
+    Browser.mouseMovementX = Browser.getMovementX(event);
+    Browser.mouseMovementY = Browser.getMovementY(event);
+   }
+   if (typeof SDL != "undefined") {
+    Browser.mouseX = SDL.mouseX + Browser.mouseMovementX;
+    Browser.mouseY = SDL.mouseY + Browser.mouseMovementY;
+   } else {
+    Browser.mouseX += Browser.mouseMovementX;
+    Browser.mouseY += Browser.mouseMovementY;
+   }
+  } else {
+   var rect = Module["canvas"].getBoundingClientRect();
+   var cw = Module["canvas"].width;
+   var ch = Module["canvas"].height;
+   var scrollX = typeof window.scrollX != "undefined" ? window.scrollX : window.pageXOffset;
+   var scrollY = typeof window.scrollY != "undefined" ? window.scrollY : window.pageYOffset;
+   assert(typeof scrollX != "undefined" && typeof scrollY != "undefined", "Unable to retrieve scroll position, mouse positions likely broken.");
+   if (event.type === "touchstart" || event.type === "touchend" || event.type === "touchmove") {
+    var touch = event.touch;
+    if (touch === undefined) {
+     return;
+    }
+    var adjustedX = touch.pageX - (scrollX + rect.left);
+    var adjustedY = touch.pageY - (scrollY + rect.top);
+    adjustedX = adjustedX * (cw / rect.width);
+    adjustedY = adjustedY * (ch / rect.height);
+    var coords = {
+     x: adjustedX,
+     y: adjustedY
+    };
+    if (event.type === "touchstart") {
+     Browser.lastTouches[touch.identifier] = coords;
+     Browser.touches[touch.identifier] = coords;
+    } else if (event.type === "touchend" || event.type === "touchmove") {
+     var last = Browser.touches[touch.identifier];
+     if (!last) last = coords;
+     Browser.lastTouches[touch.identifier] = last;
+     Browser.touches[touch.identifier] = coords;
+    }
+    return;
+   }
+   var x = event.pageX - (scrollX + rect.left);
+   var y = event.pageY - (scrollY + rect.top);
+   x = x * (cw / rect.width);
+   y = y * (ch / rect.height);
+   Browser.mouseMovementX = x - Browser.mouseX;
+   Browser.mouseMovementY = y - Browser.mouseY;
+   Browser.mouseX = x;
+   Browser.mouseY = y;
+  }
+ },
+ resizeListeners: [],
+ updateResizeListeners: function() {
+  var canvas = Module["canvas"];
+  Browser.resizeListeners.forEach(function(listener) {
+   listener(canvas.width, canvas.height);
+  });
+ },
+ setCanvasSize: function(width, height, noUpdates) {
+  var canvas = Module["canvas"];
+  Browser.updateCanvasDimensions(canvas, width, height);
+  if (!noUpdates) Browser.updateResizeListeners();
+ },
+ windowedWidth: 0,
+ windowedHeight: 0,
+ setFullscreenCanvasSize: function() {
+  if (typeof SDL != "undefined") {
+   var flags = GROWABLE_HEAP_U32()[SDL.screen >> 2];
+   flags = flags | 8388608;
+   GROWABLE_HEAP_I32()[SDL.screen >> 2] = flags;
+  }
+  Browser.updateCanvasDimensions(Module["canvas"]);
+  Browser.updateResizeListeners();
+ },
+ setWindowedCanvasSize: function() {
+  if (typeof SDL != "undefined") {
+   var flags = GROWABLE_HEAP_U32()[SDL.screen >> 2];
+   flags = flags & ~8388608;
+   GROWABLE_HEAP_I32()[SDL.screen >> 2] = flags;
+  }
+  Browser.updateCanvasDimensions(Module["canvas"]);
+  Browser.updateResizeListeners();
+ },
+ updateCanvasDimensions: function(canvas, wNative, hNative) {
+  if (wNative && hNative) {
+   canvas.widthNative = wNative;
+   canvas.heightNative = hNative;
+  } else {
+   wNative = canvas.widthNative;
+   hNative = canvas.heightNative;
+  }
+  var w = wNative;
+  var h = hNative;
+  if (Module["forcedAspectRatio"] && Module["forcedAspectRatio"] > 0) {
+   if (w / h < Module["forcedAspectRatio"]) {
+    w = Math.round(h * Module["forcedAspectRatio"]);
+   } else {
+    h = Math.round(w / Module["forcedAspectRatio"]);
+   }
+  }
+  if ((document["fullscreenElement"] || document["mozFullScreenElement"] || document["msFullscreenElement"] || document["webkitFullscreenElement"] || document["webkitCurrentFullScreenElement"]) === canvas.parentNode && typeof screen != "undefined") {
+   var factor = Math.min(screen.width / w, screen.height / h);
+   w = Math.round(w * factor);
+   h = Math.round(h * factor);
+  }
+  if (Browser.resizeCanvas) {
+   if (canvas.width != w) canvas.width = w;
+   if (canvas.height != h) canvas.height = h;
+   if (typeof canvas.style != "undefined") {
+    canvas.style.removeProperty("width");
+    canvas.style.removeProperty("height");
+   }
+  } else {
+   if (canvas.width != wNative) canvas.width = wNative;
+   if (canvas.height != hNative) canvas.height = hNative;
+   if (typeof canvas.style != "undefined") {
+    if (w != wNative || h != hNative) {
+     canvas.style.setProperty("width", w + "px", "important");
+     canvas.style.setProperty("height", h + "px", "important");
+    } else {
+     canvas.style.removeProperty("width");
+     canvas.style.removeProperty("height");
+    }
+   }
+  }
+ }
+};
+
+function _emscripten_cancel_main_loop() {
+ Browser.mainLoop.pause();
+ Browser.mainLoop.func = null;
+}
+
+function _emscripten_check_blocking_allowed() {
+ if (ENVIRONMENT_IS_WORKER) return;
+ warnOnce("Blocking on the main thread is very dangerous, see https://emscripten.org/docs/porting/pthreads.html#blocking-on-the-main-browser-thread");
+}
+
+function _emscripten_console_error(str) {
+ assert(typeof str == "number");
+ console.error(UTF8ToString(str));
+}
+
+function _emscripten_force_exit(status) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(37, 1, status);
+ noExitRuntime = false;
+ runtimeKeepaliveCounter = 0;
+ _exit(status);
+}
+
+function __webgl_enable_ANGLE_instanced_arrays(ctx) {
+ var ext = ctx.getExtension("ANGLE_instanced_arrays");
+ if (ext) {
+  ctx["vertexAttribDivisor"] = function(index, divisor) {
+   ext["vertexAttribDivisorANGLE"](index, divisor);
+  };
+  ctx["drawArraysInstanced"] = function(mode, first, count, primcount) {
+   ext["drawArraysInstancedANGLE"](mode, first, count, primcount);
+  };
+  ctx["drawElementsInstanced"] = function(mode, count, type, indices, primcount) {
+   ext["drawElementsInstancedANGLE"](mode, count, type, indices, primcount);
+  };
+  return 1;
+ }
+}
+
+function __webgl_enable_OES_vertex_array_object(ctx) {
+ var ext = ctx.getExtension("OES_vertex_array_object");
+ if (ext) {
+  ctx["createVertexArray"] = function() {
+   return ext["createVertexArrayOES"]();
+  };
+  ctx["deleteVertexArray"] = function(vao) {
+   ext["deleteVertexArrayOES"](vao);
+  };
+  ctx["bindVertexArray"] = function(vao) {
+   ext["bindVertexArrayOES"](vao);
+  };
+  ctx["isVertexArray"] = function(vao) {
+   return ext["isVertexArrayOES"](vao);
+  };
+  return 1;
+ }
+}
+
+function __webgl_enable_WEBGL_draw_buffers(ctx) {
+ var ext = ctx.getExtension("WEBGL_draw_buffers");
+ if (ext) {
+  ctx["drawBuffers"] = function(n, bufs) {
+   ext["drawBuffersWEBGL"](n, bufs);
+  };
+  return 1;
+ }
+}
+
+function __webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(ctx) {
+ return !!(ctx.dibvbi = ctx.getExtension("WEBGL_draw_instanced_base_vertex_base_instance"));
+}
+
+function __webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(ctx) {
+ return !!(ctx.mdibvbi = ctx.getExtension("WEBGL_multi_draw_instanced_base_vertex_base_instance"));
+}
+
+function __webgl_enable_WEBGL_multi_draw(ctx) {
+ return !!(ctx.multiDrawWebgl = ctx.getExtension("WEBGL_multi_draw"));
+}
+
+var GL = {
+ counter: 1,
+ buffers: [],
+ programs: [],
+ framebuffers: [],
+ renderbuffers: [],
+ textures: [],
+ shaders: [],
+ vaos: [],
+ contexts: {},
+ offscreenCanvases: {},
+ queries: [],
+ samplers: [],
+ transformFeedbacks: [],
+ syncs: [],
+ stringCache: {},
+ stringiCache: {},
+ unpackAlignment: 4,
+ recordError: function recordError(errorCode) {
+  if (!GL.lastError) {
+   GL.lastError = errorCode;
+  }
+ },
+ getNewId: function(table) {
+  var ret = GL.counter++;
+  for (var i = table.length; i < ret; i++) {
+   table[i] = null;
+  }
+  return ret;
+ },
+ getSource: function(shader, count, string, length) {
+  var source = "";
+  for (var i = 0; i < count; ++i) {
+   var len = length ? GROWABLE_HEAP_I32()[length + i * 4 >> 2] : -1;
+   source += UTF8ToString(GROWABLE_HEAP_I32()[string + i * 4 >> 2], len < 0 ? undefined : len);
+  }
+  return source;
+ },
+ createContext: function(canvas, webGLContextAttributes) {
+  if (webGLContextAttributes.renderViaOffscreenBackBuffer) webGLContextAttributes["preserveDrawingBuffer"] = true;
+  var ctx = webGLContextAttributes.majorVersion > 1 ? canvas.getContext("webgl2", webGLContextAttributes) : canvas.getContext("webgl", webGLContextAttributes);
+  if (!ctx) return 0;
+  var handle = GL.registerContext(ctx, webGLContextAttributes);
+  return handle;
+ },
+ enableOffscreenFramebufferAttributes: function(webGLContextAttributes) {
+  webGLContextAttributes.renderViaOffscreenBackBuffer = true;
+  webGLContextAttributes.preserveDrawingBuffer = true;
+ },
+ createOffscreenFramebuffer: function(context) {
+  var gl = context.GLctx;
+  var fbo = gl.createFramebuffer();
+  gl.bindFramebuffer(36160, fbo);
+  context.defaultFbo = fbo;
+  context.defaultFboForbidBlitFramebuffer = false;
+  if (gl.getContextAttributes().antialias) {
+   context.defaultFboForbidBlitFramebuffer = true;
+  } else {
+   var firefoxMatch = navigator.userAgent.toLowerCase().match(/firefox\/(\d\d)/);
+   if (firefoxMatch != null) {
+    var firefoxVersion = firefoxMatch[1];
+    context.defaultFboForbidBlitFramebuffer = firefoxVersion < 67;
+   }
+  }
+  context.defaultColorTarget = gl.createTexture();
+  context.defaultDepthTarget = gl.createRenderbuffer();
+  GL.resizeOffscreenFramebuffer(context);
+  gl.bindTexture(3553, context.defaultColorTarget);
+  gl.texParameteri(3553, 10241, 9728);
+  gl.texParameteri(3553, 10240, 9728);
+  gl.texParameteri(3553, 10242, 33071);
+  gl.texParameteri(3553, 10243, 33071);
+  gl.texImage2D(3553, 0, 6408, gl.canvas.width, gl.canvas.height, 0, 6408, 5121, null);
+  gl.framebufferTexture2D(36160, 36064, 3553, context.defaultColorTarget, 0);
+  gl.bindTexture(3553, null);
+  var depthTarget = gl.createRenderbuffer();
+  gl.bindRenderbuffer(36161, context.defaultDepthTarget);
+  gl.renderbufferStorage(36161, 33189, gl.canvas.width, gl.canvas.height);
+  gl.framebufferRenderbuffer(36160, 36096, 36161, context.defaultDepthTarget);
+  gl.bindRenderbuffer(36161, null);
+  var vertices = [ -1, -1, -1, 1, 1, -1, 1, 1 ];
+  var vb = gl.createBuffer();
+  gl.bindBuffer(34962, vb);
+  gl.bufferData(34962, new Float32Array(vertices), 35044);
+  gl.bindBuffer(34962, null);
+  context.blitVB = vb;
+  var vsCode = "attribute vec2 pos;" + "varying lowp vec2 tex;" + "void main() { tex = pos * 0.5 + vec2(0.5,0.5); gl_Position = vec4(pos, 0.0, 1.0); }";
+  var vs = gl.createShader(35633);
+  gl.shaderSource(vs, vsCode);
+  gl.compileShader(vs);
+  var fsCode = "varying lowp vec2 tex;" + "uniform sampler2D sampler;" + "void main() { gl_FragColor = texture2D(sampler, tex); }";
+  var fs = gl.createShader(35632);
+  gl.shaderSource(fs, fsCode);
+  gl.compileShader(fs);
+  var blitProgram = gl.createProgram();
+  gl.attachShader(blitProgram, vs);
+  gl.attachShader(blitProgram, fs);
+  gl.linkProgram(blitProgram);
+  context.blitProgram = blitProgram;
+  context.blitPosLoc = gl.getAttribLocation(blitProgram, "pos");
+  gl.useProgram(blitProgram);
+  gl.uniform1i(gl.getUniformLocation(blitProgram, "sampler"), 0);
+  gl.useProgram(null);
+  context.defaultVao = undefined;
+  if (gl.createVertexArray) {
+   context.defaultVao = gl.createVertexArray();
+   gl.bindVertexArray(context.defaultVao);
+   gl.enableVertexAttribArray(context.blitPosLoc);
+   gl.bindVertexArray(null);
+  }
+ },
+ resizeOffscreenFramebuffer: function(context) {
+  var gl = context.GLctx;
+  if (context.defaultColorTarget) {
+   var prevTextureBinding = gl.getParameter(32873);
+   gl.bindTexture(3553, context.defaultColorTarget);
+   gl.texImage2D(3553, 0, 6408, gl.drawingBufferWidth, gl.drawingBufferHeight, 0, 6408, 5121, null);
+   gl.bindTexture(3553, prevTextureBinding);
+  }
+  if (context.defaultDepthTarget) {
+   var prevRenderBufferBinding = gl.getParameter(36007);
+   gl.bindRenderbuffer(36161, context.defaultDepthTarget);
+   gl.renderbufferStorage(36161, 33189, gl.drawingBufferWidth, gl.drawingBufferHeight);
+   gl.bindRenderbuffer(36161, prevRenderBufferBinding);
+  }
+ },
+ blitOffscreenFramebuffer: function(context) {
+  var gl = context.GLctx;
+  var prevScissorTest = gl.getParameter(3089);
+  if (prevScissorTest) gl.disable(3089);
+  var prevFbo = gl.getParameter(36006);
+  if (gl.blitFramebuffer && !context.defaultFboForbidBlitFramebuffer) {
+   gl.bindFramebuffer(36008, context.defaultFbo);
+   gl.bindFramebuffer(36009, null);
+   gl.blitFramebuffer(0, 0, gl.canvas.width, gl.canvas.height, 0, 0, gl.canvas.width, gl.canvas.height, 16384, 9728);
+  } else {
+   gl.bindFramebuffer(36160, null);
+   var prevProgram = gl.getParameter(35725);
+   gl.useProgram(context.blitProgram);
+   var prevVB = gl.getParameter(34964);
+   gl.bindBuffer(34962, context.blitVB);
+   var prevActiveTexture = gl.getParameter(34016);
+   gl.activeTexture(33984);
+   var prevTextureBinding = gl.getParameter(32873);
+   gl.bindTexture(3553, context.defaultColorTarget);
+   var prevBlend = gl.getParameter(3042);
+   if (prevBlend) gl.disable(3042);
+   var prevCullFace = gl.getParameter(2884);
+   if (prevCullFace) gl.disable(2884);
+   var prevDepthTest = gl.getParameter(2929);
+   if (prevDepthTest) gl.disable(2929);
+   var prevStencilTest = gl.getParameter(2960);
+   if (prevStencilTest) gl.disable(2960);
+   function draw() {
+    gl.vertexAttribPointer(context.blitPosLoc, 2, 5126, false, 0, 0);
+    gl.drawArrays(5, 0, 4);
+   }
+   if (context.defaultVao) {
+    var prevVAO = gl.getParameter(34229);
+    gl.bindVertexArray(context.defaultVao);
+    draw();
+    gl.bindVertexArray(prevVAO);
+   } else {
+    var prevVertexAttribPointer = {
+     buffer: gl.getVertexAttrib(context.blitPosLoc, 34975),
+     size: gl.getVertexAttrib(context.blitPosLoc, 34339),
+     stride: gl.getVertexAttrib(context.blitPosLoc, 34340),
+     type: gl.getVertexAttrib(context.blitPosLoc, 34341),
+     normalized: gl.getVertexAttrib(context.blitPosLoc, 34922),
+     pointer: gl.getVertexAttribOffset(context.blitPosLoc, 34373)
+    };
+    var maxVertexAttribs = gl.getParameter(34921);
+    var prevVertexAttribEnables = [];
+    for (var i = 0; i < maxVertexAttribs; ++i) {
+     var prevEnabled = gl.getVertexAttrib(i, 34338);
+     var wantEnabled = i == context.blitPosLoc;
+     if (prevEnabled && !wantEnabled) {
+      gl.disableVertexAttribArray(i);
+     }
+     if (!prevEnabled && wantEnabled) {
+      gl.enableVertexAttribArray(i);
+     }
+     prevVertexAttribEnables[i] = prevEnabled;
+    }
+    draw();
+    for (var i = 0; i < maxVertexAttribs; ++i) {
+     var prevEnabled = prevVertexAttribEnables[i];
+     var nowEnabled = i == context.blitPosLoc;
+     if (prevEnabled && !nowEnabled) {
+      gl.enableVertexAttribArray(i);
+     }
+     if (!prevEnabled && nowEnabled) {
+      gl.disableVertexAttribArray(i);
+     }
+    }
+    gl.bindBuffer(34962, prevVertexAttribPointer.buffer);
+    gl.vertexAttribPointer(context.blitPosLoc, prevVertexAttribPointer.size, prevVertexAttribPointer.type, prevVertexAttribPointer.normalized, prevVertexAttribPointer.stride, prevVertexAttribPointer.offset);
+   }
+   if (prevStencilTest) gl.enable(2960);
+   if (prevDepthTest) gl.enable(2929);
+   if (prevCullFace) gl.enable(2884);
+   if (prevBlend) gl.enable(3042);
+   gl.bindTexture(3553, prevTextureBinding);
+   gl.activeTexture(prevActiveTexture);
+   gl.bindBuffer(34962, prevVB);
+   gl.useProgram(prevProgram);
+  }
+  gl.bindFramebuffer(36160, prevFbo);
+  if (prevScissorTest) gl.enable(3089);
+ },
+ registerContext: function(ctx, webGLContextAttributes) {
+  var handle = _malloc(8);
+  GROWABLE_HEAP_I32()[handle + 4 >> 2] = _pthread_self();
+  var context = {
+   handle: handle,
+   attributes: webGLContextAttributes,
+   version: webGLContextAttributes.majorVersion,
+   GLctx: ctx
+  };
+  if (ctx.canvas) ctx.canvas.GLctxObject = context;
+  GL.contexts[handle] = context;
+  if (typeof webGLContextAttributes.enableExtensionsByDefault == "undefined" || webGLContextAttributes.enableExtensionsByDefault) {
+   GL.initExtensions(context);
+  }
+  if (webGLContextAttributes.renderViaOffscreenBackBuffer) GL.createOffscreenFramebuffer(context);
+  return handle;
+ },
+ makeContextCurrent: function(contextHandle) {
+  GL.currentContext = GL.contexts[contextHandle];
+  Module.ctx = GLctx = GL.currentContext && GL.currentContext.GLctx;
+  return !(contextHandle && !GLctx);
+ },
+ getContext: function(contextHandle) {
+  return GL.contexts[contextHandle];
+ },
+ deleteContext: function(contextHandle) {
+  if (GL.currentContext === GL.contexts[contextHandle]) GL.currentContext = null;
+  if (typeof JSEvents == "object") JSEvents.removeAllHandlersOnTarget(GL.contexts[contextHandle].GLctx.canvas);
+  if (GL.contexts[contextHandle] && GL.contexts[contextHandle].GLctx.canvas) GL.contexts[contextHandle].GLctx.canvas.GLctxObject = undefined;
+  _free(GL.contexts[contextHandle].handle);
+  GL.contexts[contextHandle] = null;
+ },
+ initExtensions: function(context) {
+  if (!context) context = GL.currentContext;
+  if (context.initExtensionsDone) return;
+  context.initExtensionsDone = true;
+  var GLctx = context.GLctx;
+  __webgl_enable_ANGLE_instanced_arrays(GLctx);
+  __webgl_enable_OES_vertex_array_object(GLctx);
+  __webgl_enable_WEBGL_draw_buffers(GLctx);
+  __webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(GLctx);
+  __webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(GLctx);
+  if (context.version >= 2) {
+   GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query_webgl2");
+  }
+  if (context.version < 2 || !GLctx.disjointTimerQueryExt) {
+   GLctx.disjointTimerQueryExt = GLctx.getExtension("EXT_disjoint_timer_query");
+  }
+  __webgl_enable_WEBGL_multi_draw(GLctx);
+  var exts = GLctx.getSupportedExtensions() || [];
+  exts.forEach(function(ext) {
+   if (!ext.includes("lose_context") && !ext.includes("debug")) {
+    GLctx.getExtension(ext);
+   }
+  });
+ }
+};
+
+function _emscripten_glActiveTexture(x0) {
+ GLctx["activeTexture"](x0);
+}
+
+function _emscripten_glAttachShader(program, shader) {
+ GLctx.attachShader(GL.programs[program], GL.shaders[shader]);
+}
+
+function _emscripten_glBeginTransformFeedback(x0) {
+ GLctx["beginTransformFeedback"](x0);
+}
+
+function _emscripten_glBindBuffer(target, buffer) {
+ if (target == 35051) {
+  GLctx.currentPixelPackBufferBinding = buffer;
+ } else if (target == 35052) {
+  GLctx.currentPixelUnpackBufferBinding = buffer;
+ }
+ GLctx.bindBuffer(target, GL.buffers[buffer]);
+}
+
+function _emscripten_glBindBufferBase(target, index, buffer) {
+ GLctx["bindBufferBase"](target, index, GL.buffers[buffer]);
+}
+
+function _emscripten_glBindBufferRange(target, index, buffer, offset, ptrsize) {
+ GLctx["bindBufferRange"](target, index, GL.buffers[buffer], offset, ptrsize);
+}
+
+function _emscripten_glBindFramebuffer(target, framebuffer) {
+ GLctx.bindFramebuffer(target, framebuffer ? GL.framebuffers[framebuffer] : GL.currentContext.defaultFbo);
+}
+
+function _emscripten_glBindRenderbuffer(target, renderbuffer) {
+ GLctx.bindRenderbuffer(target, GL.renderbuffers[renderbuffer]);
+}
+
+function _emscripten_glBindTexture(target, texture) {
+ GLctx.bindTexture(target, GL.textures[texture]);
+}
+
+function _emscripten_glBindVertexArray(vao) {
+ GLctx["bindVertexArray"](GL.vaos[vao]);
+}
+
+function _emscripten_glBlendColor(x0, x1, x2, x3) {
+ GLctx["blendColor"](x0, x1, x2, x3);
+}
+
+function _emscripten_glBlendEquation(x0) {
+ GLctx["blendEquation"](x0);
+}
+
+function _emscripten_glBlendFunc(x0, x1) {
+ GLctx["blendFunc"](x0, x1);
+}
+
+function _emscripten_glBlendFuncSeparate(x0, x1, x2, x3) {
+ GLctx["blendFuncSeparate"](x0, x1, x2, x3);
+}
+
+function _emscripten_glBlitFramebuffer(x0, x1, x2, x3, x4, x5, x6, x7, x8, x9) {
+ GLctx["blitFramebuffer"](x0, x1, x2, x3, x4, x5, x6, x7, x8, x9);
+}
+
+function _emscripten_glBufferData(target, size, data, usage) {
+ if (GL.currentContext.version >= 2) {
+  if (data && size) {
+   GLctx.bufferData(target, GROWABLE_HEAP_U8(), usage, data, size);
+  } else {
+   GLctx.bufferData(target, size, usage);
+  }
+ } else {
+  GLctx.bufferData(target, data ? GROWABLE_HEAP_U8().subarray(data, data + size) : size, usage);
+ }
+}
+
+function _emscripten_glBufferSubData(target, offset, size, data) {
+ if (GL.currentContext.version >= 2) {
+  size && GLctx.bufferSubData(target, offset, GROWABLE_HEAP_U8(), data, size);
+  return;
+ }
+ GLctx.bufferSubData(target, offset, GROWABLE_HEAP_U8().subarray(data, data + size));
+}
+
+function _emscripten_glCheckFramebufferStatus(x0) {
+ return GLctx["checkFramebufferStatus"](x0);
+}
+
+function _emscripten_glClear(x0) {
+ GLctx["clear"](x0);
+}
+
+function _emscripten_glClearBufferfv(buffer, drawbuffer, value) {
+ GLctx["clearBufferfv"](buffer, drawbuffer, GROWABLE_HEAP_F32(), value >> 2);
+}
+
+function _emscripten_glClearColor(x0, x1, x2, x3) {
+ GLctx["clearColor"](x0, x1, x2, x3);
+}
+
+function _emscripten_glClearDepthf(x0) {
+ GLctx["clearDepth"](x0);
+}
+
+function _emscripten_glColorMask(red, green, blue, alpha) {
+ GLctx.colorMask(!!red, !!green, !!blue, !!alpha);
+}
+
+function _emscripten_glCompileShader(shader) {
+ GLctx.compileShader(GL.shaders[shader]);
+}
+
+function _emscripten_glCompressedTexImage2D(target, level, internalFormat, width, height, border, imageSize, data) {
+ if (GL.currentContext.version >= 2) {
+  if (GLctx.currentPixelUnpackBufferBinding || !imageSize) {
+   GLctx["compressedTexImage2D"](target, level, internalFormat, width, height, border, imageSize, data);
+  } else {
+   GLctx["compressedTexImage2D"](target, level, internalFormat, width, height, border, GROWABLE_HEAP_U8(), data, imageSize);
+  }
+  return;
+ }
+ GLctx["compressedTexImage2D"](target, level, internalFormat, width, height, border, data ? GROWABLE_HEAP_U8().subarray(data, data + imageSize) : null);
+}
+
+function _emscripten_glCopyBufferSubData(x0, x1, x2, x3, x4) {
+ GLctx["copyBufferSubData"](x0, x1, x2, x3, x4);
+}
+
+function _emscripten_glCreateProgram() {
+ var id = GL.getNewId(GL.programs);
+ var program = GLctx.createProgram();
+ program.name = id;
+ program.maxUniformLength = program.maxAttributeLength = program.maxUniformBlockNameLength = 0;
+ program.uniformIdCounter = 1;
+ GL.programs[id] = program;
+ return id;
+}
+
+function _emscripten_glCreateShader(shaderType) {
+ var id = GL.getNewId(GL.shaders);
+ GL.shaders[id] = GLctx.createShader(shaderType);
+ return id;
+}
+
+function _emscripten_glCullFace(x0) {
+ GLctx["cullFace"](x0);
+}
+
+function _emscripten_glDeleteBuffers(n, buffers) {
+ for (var i = 0; i < n; i++) {
+  var id = GROWABLE_HEAP_I32()[buffers + i * 4 >> 2];
+  var buffer = GL.buffers[id];
+  if (!buffer) continue;
+  GLctx.deleteBuffer(buffer);
+  buffer.name = 0;
+  GL.buffers[id] = null;
+  if (id == GLctx.currentPixelPackBufferBinding) GLctx.currentPixelPackBufferBinding = 0;
+  if (id == GLctx.currentPixelUnpackBufferBinding) GLctx.currentPixelUnpackBufferBinding = 0;
+ }
+}
+
+function _emscripten_glDeleteFramebuffers(n, framebuffers) {
+ for (var i = 0; i < n; ++i) {
+  var id = GROWABLE_HEAP_I32()[framebuffers + i * 4 >> 2];
+  var framebuffer = GL.framebuffers[id];
+  if (!framebuffer) continue;
+  GLctx.deleteFramebuffer(framebuffer);
+  framebuffer.name = 0;
+  GL.framebuffers[id] = null;
+ }
+}
+
+function _emscripten_glDeleteProgram(id) {
+ if (!id) return;
+ var program = GL.programs[id];
+ if (!program) {
+  GL.recordError(1281);
+  return;
+ }
+ GLctx.deleteProgram(program);
+ program.name = 0;
+ GL.programs[id] = null;
+}
+
+function _emscripten_glDeleteQueries(n, ids) {
+ for (var i = 0; i < n; i++) {
+  var id = GROWABLE_HEAP_I32()[ids + i * 4 >> 2];
+  var query = GL.queries[id];
+  if (!query) continue;
+  GLctx["deleteQuery"](query);
+  GL.queries[id] = null;
+ }
+}
+
+function _emscripten_glDeleteRenderbuffers(n, renderbuffers) {
+ for (var i = 0; i < n; i++) {
+  var id = GROWABLE_HEAP_I32()[renderbuffers + i * 4 >> 2];
+  var renderbuffer = GL.renderbuffers[id];
+  if (!renderbuffer) continue;
+  GLctx.deleteRenderbuffer(renderbuffer);
+  renderbuffer.name = 0;
+  GL.renderbuffers[id] = null;
+ }
+}
+
+function _emscripten_glDeleteShader(id) {
+ if (!id) return;
+ var shader = GL.shaders[id];
+ if (!shader) {
+  GL.recordError(1281);
+  return;
+ }
+ GLctx.deleteShader(shader);
+ GL.shaders[id] = null;
+}
+
+function _emscripten_glDeleteSync(id) {
+ if (!id) return;
+ var sync = GL.syncs[id];
+ if (!sync) {
+  GL.recordError(1281);
+  return;
+ }
+ GLctx.deleteSync(sync);
+ sync.name = 0;
+ GL.syncs[id] = null;
+}
+
+function _emscripten_glDeleteTextures(n, textures) {
+ for (var i = 0; i < n; i++) {
+  var id = GROWABLE_HEAP_I32()[textures + i * 4 >> 2];
+  var texture = GL.textures[id];
+  if (!texture) continue;
+  GLctx.deleteTexture(texture);
+  texture.name = 0;
+  GL.textures[id] = null;
+ }
+}
+
+function _emscripten_glDeleteVertexArrays(n, vaos) {
+ for (var i = 0; i < n; i++) {
+  var id = GROWABLE_HEAP_I32()[vaos + i * 4 >> 2];
+  GLctx["deleteVertexArray"](GL.vaos[id]);
+  GL.vaos[id] = null;
+ }
+}
+
+function _emscripten_glDepthFunc(x0) {
+ GLctx["depthFunc"](x0);
+}
+
+function _emscripten_glDepthMask(flag) {
+ GLctx.depthMask(!!flag);
+}
+
+function _emscripten_glDisable(x0) {
+ GLctx["disable"](x0);
+}
+
+function _emscripten_glDisableVertexAttribArray(index) {
+ GLctx.disableVertexAttribArray(index);
+}
+
+function _emscripten_glDrawArrays(mode, first, count) {
+ GLctx.drawArrays(mode, first, count);
+}
+
+function _emscripten_glDrawArraysInstanced(mode, first, count, primcount) {
+ GLctx["drawArraysInstanced"](mode, first, count, primcount);
+}
+
+function _emscripten_glDrawElements(mode, count, type, indices) {
+ GLctx.drawElements(mode, count, type, indices);
+}
+
+function _emscripten_glDrawElementsInstanced(mode, count, type, indices, primcount) {
+ GLctx["drawElementsInstanced"](mode, count, type, indices, primcount);
+}
+
+function _emscripten_glEnable(x0) {
+ GLctx["enable"](x0);
+}
+
+function _emscripten_glEnableVertexAttribArray(index) {
+ GLctx.enableVertexAttribArray(index);
+}
+
+function _emscripten_glEndTransformFeedback() {
+ GLctx["endTransformFeedback"]();
+}
+
+function _emscripten_glFenceSync(condition, flags) {
+ var sync = GLctx.fenceSync(condition, flags);
+ if (sync) {
+  var id = GL.getNewId(GL.syncs);
+  sync.name = id;
+  GL.syncs[id] = sync;
+  return id;
+ }
+ return 0;
+}
+
+function _emscripten_glFinish() {
+ GLctx["finish"]();
+}
+
+function _emscripten_glFramebufferRenderbuffer(target, attachment, renderbuffertarget, renderbuffer) {
+ GLctx.framebufferRenderbuffer(target, attachment, renderbuffertarget, GL.renderbuffers[renderbuffer]);
+}
+
+function _emscripten_glFramebufferTexture2D(target, attachment, textarget, texture, level) {
+ GLctx.framebufferTexture2D(target, attachment, textarget, GL.textures[texture], level);
+}
+
+function _emscripten_glFramebufferTextureLayer(target, attachment, texture, level, layer) {
+ GLctx.framebufferTextureLayer(target, attachment, GL.textures[texture], level, layer);
+}
+
+function _emscripten_glFrontFace(x0) {
+ GLctx["frontFace"](x0);
+}
+
+function __glGenObject(n, buffers, createFunction, objectTable) {
+ for (var i = 0; i < n; i++) {
+  var buffer = GLctx[createFunction]();
+  var id = buffer && GL.getNewId(objectTable);
+  if (buffer) {
+   buffer.name = id;
+   objectTable[id] = buffer;
+  } else {
+   GL.recordError(1282);
+  }
+  GROWABLE_HEAP_I32()[buffers + i * 4 >> 2] = id;
+ }
+}
+
+function _emscripten_glGenBuffers(n, buffers) {
+ __glGenObject(n, buffers, "createBuffer", GL.buffers);
+}
+
+function _emscripten_glGenFramebuffers(n, ids) {
+ __glGenObject(n, ids, "createFramebuffer", GL.framebuffers);
+}
+
+function _emscripten_glGenQueries(n, ids) {
+ __glGenObject(n, ids, "createQuery", GL.queries);
+}
+
+function _emscripten_glGenRenderbuffers(n, renderbuffers) {
+ __glGenObject(n, renderbuffers, "createRenderbuffer", GL.renderbuffers);
+}
+
+function _emscripten_glGenTextures(n, textures) {
+ __glGenObject(n, textures, "createTexture", GL.textures);
+}
+
+function _emscripten_glGenVertexArrays(n, arrays) {
+ __glGenObject(n, arrays, "createVertexArray", GL.vaos);
+}
+
+function _emscripten_glGenerateMipmap(x0) {
+ GLctx["generateMipmap"](x0);
+}
+
+function readI53FromU64(ptr) {
+ return GROWABLE_HEAP_U32()[ptr >> 2] + GROWABLE_HEAP_U32()[ptr + 4 >> 2] * 4294967296;
+}
+
+function writeI53ToI64(ptr, num) {
+ GROWABLE_HEAP_U32()[ptr >> 2] = num;
+ GROWABLE_HEAP_U32()[ptr + 4 >> 2] = (num - GROWABLE_HEAP_U32()[ptr >> 2]) / 4294967296;
+ var deserialized = num >= 0 ? readI53FromU64(ptr) : readI53FromI64(ptr);
+ if (deserialized != num) warnOnce("writeI53ToI64() out of range: serialized JS Number " + num + " to Wasm heap as bytes lo=0x" + GROWABLE_HEAP_U32()[ptr >> 2].toString(16) + ", hi=0x" + GROWABLE_HEAP_U32()[ptr + 4 >> 2].toString(16) + ", which deserializes back to " + deserialized + " instead!");
+}
+
+function emscriptenWebGLGet(name_, p, type) {
+ if (!p) {
+  GL.recordError(1281);
+  return;
+ }
+ var ret = undefined;
+ switch (name_) {
+ case 36346:
+  ret = 1;
+  break;
+
+ case 36344:
+  if (type != 0 && type != 1) {
+   GL.recordError(1280);
+  }
+  return;
+
+ case 34814:
+ case 36345:
+  ret = 0;
+  break;
+
+ case 34466:
+  var formats = GLctx.getParameter(34467);
+  ret = formats ? formats.length : 0;
+  break;
+
+ case 33309:
+  if (GL.currentContext.version < 2) {
+   GL.recordError(1282);
+   return;
+  }
+  var exts = GLctx.getSupportedExtensions() || [];
+  ret = 2 * exts.length;
+  break;
+
+ case 33307:
+ case 33308:
+  if (GL.currentContext.version < 2) {
+   GL.recordError(1280);
+   return;
+  }
+  ret = name_ == 33307 ? 3 : 0;
+  break;
+ }
+ if (ret === undefined) {
+  var result = GLctx.getParameter(name_);
+  switch (typeof result) {
+  case "number":
+   ret = result;
+   break;
+
+  case "boolean":
+   ret = result ? 1 : 0;
+   break;
+
+  case "string":
+   GL.recordError(1280);
+   return;
+
+  case "object":
+   if (result === null) {
+    switch (name_) {
+    case 34964:
+    case 35725:
+    case 34965:
+    case 36006:
+    case 36007:
+    case 32873:
+    case 34229:
+    case 36662:
+    case 36663:
+    case 35053:
+    case 35055:
+    case 36010:
+    case 35097:
+    case 35869:
+    case 32874:
+    case 36389:
+    case 35983:
+    case 35368:
+    case 34068:
+     {
+      ret = 0;
+      break;
+     }
+
+    default:
+     {
+      GL.recordError(1280);
+      return;
+     }
+    }
+   } else if (result instanceof Float32Array || result instanceof Uint32Array || result instanceof Int32Array || result instanceof Array) {
+    for (var i = 0; i < result.length; ++i) {
+     switch (type) {
+     case 0:
+      GROWABLE_HEAP_I32()[p + i * 4 >> 2] = result[i];
+      break;
+
+     case 2:
+      GROWABLE_HEAP_F32()[p + i * 4 >> 2] = result[i];
+      break;
+
+     case 4:
+      GROWABLE_HEAP_I8()[p + i >> 0] = result[i] ? 1 : 0;
+      break;
+     }
+    }
+    return;
+   } else {
+    try {
+     ret = result.name | 0;
+    } catch (e) {
+     GL.recordError(1280);
+     err("GL_INVALID_ENUM in glGet" + type + "v: Unknown object returned from WebGL getParameter(" + name_ + ")! (error: " + e + ")");
+     return;
+    }
+   }
+   break;
+
+  default:
+   GL.recordError(1280);
+   err("GL_INVALID_ENUM in glGet" + type + "v: Native code calling glGet" + type + "v(" + name_ + ") and it returns " + result + " of type " + typeof result + "!");
+   return;
+  }
+ }
+ switch (type) {
+ case 1:
+  writeI53ToI64(p, ret);
+  break;
+
+ case 0:
+  GROWABLE_HEAP_I32()[p >> 2] = ret;
+  break;
+
+ case 2:
+  GROWABLE_HEAP_F32()[p >> 2] = ret;
+  break;
+
+ case 4:
+  GROWABLE_HEAP_I8()[p >> 0] = ret ? 1 : 0;
+  break;
+ }
+}
+
+function _emscripten_glGetFloatv(name_, p) {
+ emscriptenWebGLGet(name_, p, 2);
+}
+
+function _emscripten_glGetIntegerv(name_, p) {
+ emscriptenWebGLGet(name_, p, 0);
+}
+
+function _emscripten_glGetProgramInfoLog(program, maxLength, length, infoLog) {
+ var log = GLctx.getProgramInfoLog(GL.programs[program]);
+ if (log === null) log = "(unknown error)";
+ var numBytesWrittenExclNull = maxLength > 0 && infoLog ? stringToUTF8(log, infoLog, maxLength) : 0;
+ if (length) GROWABLE_HEAP_I32()[length >> 2] = numBytesWrittenExclNull;
+}
+
+function _emscripten_glGetProgramiv(program, pname, p) {
+ if (!p) {
+  GL.recordError(1281);
+  return;
+ }
+ if (program >= GL.counter) {
+  GL.recordError(1281);
+  return;
+ }
+ program = GL.programs[program];
+ if (pname == 35716) {
+  var log = GLctx.getProgramInfoLog(program);
+  if (log === null) log = "(unknown error)";
+  GROWABLE_HEAP_I32()[p >> 2] = log.length + 1;
+ } else if (pname == 35719) {
+  if (!program.maxUniformLength) {
+   for (var i = 0; i < GLctx.getProgramParameter(program, 35718); ++i) {
+    program.maxUniformLength = Math.max(program.maxUniformLength, GLctx.getActiveUniform(program, i).name.length + 1);
+   }
+  }
+  GROWABLE_HEAP_I32()[p >> 2] = program.maxUniformLength;
+ } else if (pname == 35722) {
+  if (!program.maxAttributeLength) {
+   for (var i = 0; i < GLctx.getProgramParameter(program, 35721); ++i) {
+    program.maxAttributeLength = Math.max(program.maxAttributeLength, GLctx.getActiveAttrib(program, i).name.length + 1);
+   }
+  }
+  GROWABLE_HEAP_I32()[p >> 2] = program.maxAttributeLength;
+ } else if (pname == 35381) {
+  if (!program.maxUniformBlockNameLength) {
+   for (var i = 0; i < GLctx.getProgramParameter(program, 35382); ++i) {
+    program.maxUniformBlockNameLength = Math.max(program.maxUniformBlockNameLength, GLctx.getActiveUniformBlockName(program, i).length + 1);
+   }
+  }
+  GROWABLE_HEAP_I32()[p >> 2] = program.maxUniformBlockNameLength;
+ } else {
+  GROWABLE_HEAP_I32()[p >> 2] = GLctx.getProgramParameter(program, pname);
+ }
+}
+
+function _emscripten_glGetShaderInfoLog(shader, maxLength, length, infoLog) {
+ var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
+ if (log === null) log = "(unknown error)";
+ var numBytesWrittenExclNull = maxLength > 0 && infoLog ? stringToUTF8(log, infoLog, maxLength) : 0;
+ if (length) GROWABLE_HEAP_I32()[length >> 2] = numBytesWrittenExclNull;
+}
+
+function _emscripten_glGetShaderiv(shader, pname, p) {
+ if (!p) {
+  GL.recordError(1281);
+  return;
+ }
+ if (pname == 35716) {
+  var log = GLctx.getShaderInfoLog(GL.shaders[shader]);
+  if (log === null) log = "(unknown error)";
+  var logLength = log ? log.length + 1 : 0;
+  GROWABLE_HEAP_I32()[p >> 2] = logLength;
+ } else if (pname == 35720) {
+  var source = GLctx.getShaderSource(GL.shaders[shader]);
+  var sourceLength = source ? source.length + 1 : 0;
+  GROWABLE_HEAP_I32()[p >> 2] = sourceLength;
+ } else {
+  GROWABLE_HEAP_I32()[p >> 2] = GLctx.getShaderParameter(GL.shaders[shader], pname);
+ }
+}
+
+function stringToNewUTF8(jsString) {
+ var length = lengthBytesUTF8(jsString) + 1;
+ var cString = _malloc(length);
+ stringToUTF8(jsString, cString, length);
+ return cString;
+}
+
+function _emscripten_glGetString(name_) {
+ var ret = GL.stringCache[name_];
+ if (!ret) {
+  switch (name_) {
+  case 7939:
+   var exts = GLctx.getSupportedExtensions() || [];
+   exts = exts.concat(exts.map(function(e) {
+    return "GL_" + e;
+   }));
+   ret = stringToNewUTF8(exts.join(" "));
+   break;
+
+  case 7936:
+  case 7937:
+  case 37445:
+  case 37446:
+   var s = GLctx.getParameter(name_);
+   if (!s) {
+    GL.recordError(1280);
+   }
+   ret = s && stringToNewUTF8(s);
+   break;
+
+  case 7938:
+   var glVersion = GLctx.getParameter(7938);
+   if (GL.currentContext.version >= 2) glVersion = "OpenGL ES 3.0 (" + glVersion + ")"; else {
+    glVersion = "OpenGL ES 2.0 (" + glVersion + ")";
+   }
+   ret = stringToNewUTF8(glVersion);
+   break;
+
+  case 35724:
+   var glslVersion = GLctx.getParameter(35724);
+   var ver_re = /^WebGL GLSL ES ([0-9]\.[0-9][0-9]?)(?:$| .*)/;
+   var ver_num = glslVersion.match(ver_re);
+   if (ver_num !== null) {
+    if (ver_num[1].length == 3) ver_num[1] = ver_num[1] + "0";
+    glslVersion = "OpenGL ES GLSL ES " + ver_num[1] + " (" + glslVersion + ")";
+   }
+   ret = stringToNewUTF8(glslVersion);
+   break;
+
+  default:
+   GL.recordError(1280);
+  }
+  GL.stringCache[name_] = ret;
+ }
+ return ret;
+}
+
+function _emscripten_glGetStringi(name, index) {
+ if (GL.currentContext.version < 2) {
+  GL.recordError(1282);
+  return 0;
+ }
+ var stringiCache = GL.stringiCache[name];
+ if (stringiCache) {
+  if (index < 0 || index >= stringiCache.length) {
+   GL.recordError(1281);
+   return 0;
+  }
+  return stringiCache[index];
+ }
+ switch (name) {
+ case 7939:
+  var exts = GLctx.getSupportedExtensions() || [];
+  exts = exts.concat(exts.map(function(e) {
+   return "GL_" + e;
+  }));
+  exts = exts.map(function(e) {
+   return stringToNewUTF8(e);
+  });
+  stringiCache = GL.stringiCache[name] = exts;
+  if (index < 0 || index >= stringiCache.length) {
+   GL.recordError(1281);
+   return 0;
+  }
+  return stringiCache[index];
+
+ default:
+  GL.recordError(1280);
+  return 0;
+ }
+}
+
+function _emscripten_glGetSynciv(sync, pname, bufSize, length, values) {
+ if (bufSize < 0) {
+  GL.recordError(1281);
+  return;
+ }
+ if (!values) {
+  GL.recordError(1281);
+  return;
+ }
+ var ret = GLctx.getSyncParameter(GL.syncs[sync], pname);
+ if (ret !== null) {
+  GROWABLE_HEAP_I32()[values >> 2] = ret;
+  if (length) GROWABLE_HEAP_I32()[length >> 2] = 1;
+ }
+}
+
+function _emscripten_glGetUniformBlockIndex(program, uniformBlockName) {
+ return GLctx["getUniformBlockIndex"](GL.programs[program], UTF8ToString(uniformBlockName));
+}
+
+function webglGetLeftBracePos(name) {
+ return name.slice(-1) == "]" && name.lastIndexOf("[");
+}
+
+function webglPrepareUniformLocationsBeforeFirstUse(program) {
+ var uniformLocsById = program.uniformLocsById, uniformSizeAndIdsByName = program.uniformSizeAndIdsByName, i, j;
+ if (!uniformLocsById) {
+  program.uniformLocsById = uniformLocsById = {};
+  program.uniformArrayNamesById = {};
+  for (i = 0; i < GLctx.getProgramParameter(program, 35718); ++i) {
+   var u = GLctx.getActiveUniform(program, i);
+   var nm = u.name;
+   var sz = u.size;
+   var lb = webglGetLeftBracePos(nm);
+   var arrayName = lb > 0 ? nm.slice(0, lb) : nm;
+   var id = program.uniformIdCounter;
+   program.uniformIdCounter += sz;
+   uniformSizeAndIdsByName[arrayName] = [ sz, id ];
+   for (j = 0; j < sz; ++j) {
+    uniformLocsById[id] = j;
+    program.uniformArrayNamesById[id++] = arrayName;
+   }
+  }
+ }
+}
+
+function _emscripten_glGetUniformLocation(program, name) {
+ name = UTF8ToString(name);
+ if (program = GL.programs[program]) {
+  webglPrepareUniformLocationsBeforeFirstUse(program);
+  var uniformLocsById = program.uniformLocsById;
+  var arrayIndex = 0;
+  var uniformBaseName = name;
+  var leftBrace = webglGetLeftBracePos(name);
+  if (leftBrace > 0) {
+   arrayIndex = jstoi_q(name.slice(leftBrace + 1)) >>> 0;
+   uniformBaseName = name.slice(0, leftBrace);
+  }
+  var sizeAndId = program.uniformSizeAndIdsByName[uniformBaseName];
+  if (sizeAndId && arrayIndex < sizeAndId[0]) {
+   arrayIndex += sizeAndId[1];
+   if (uniformLocsById[arrayIndex] = uniformLocsById[arrayIndex] || GLctx.getUniformLocation(program, name)) {
+    return arrayIndex;
+   }
+  }
+ } else {
+  GL.recordError(1281);
+ }
+ return -1;
+}
+
+function _emscripten_glLinkProgram(program) {
+ program = GL.programs[program];
+ GLctx.linkProgram(program);
+ program.uniformLocsById = 0;
+ program.uniformSizeAndIdsByName = {};
+}
+
+function _emscripten_glPixelStorei(pname, param) {
+ if (pname == 3317) {
+  GL.unpackAlignment = param;
+ }
+ GLctx.pixelStorei(pname, param);
+}
+
+function _emscripten_glReadBuffer(x0) {
+ GLctx["readBuffer"](x0);
+}
+
+function computeUnpackAlignedImageSize(width, height, sizePerPixel, alignment) {
+ function roundedToNextMultipleOf(x, y) {
+  return x + y - 1 & -y;
+ }
+ var plainRowSize = width * sizePerPixel;
+ var alignedRowSize = roundedToNextMultipleOf(plainRowSize, alignment);
+ return height * alignedRowSize;
+}
+
+function __colorChannelsInGlTextureFormat(format) {
+ var colorChannels = {
+  5: 3,
+  6: 4,
+  8: 2,
+  29502: 3,
+  29504: 4,
+  26917: 2,
+  26918: 2,
+  29846: 3,
+  29847: 4
+ };
+ return colorChannels[format - 6402] || 1;
+}
+
+function heapObjectForWebGLType(type) {
+ type -= 5120;
+ if (type == 0) return GROWABLE_HEAP_I8();
+ if (type == 1) return GROWABLE_HEAP_U8();
+ if (type == 2) return GROWABLE_HEAP_I16();
+ if (type == 4) return GROWABLE_HEAP_I32();
+ if (type == 6) return GROWABLE_HEAP_F32();
+ if (type == 5 || type == 28922 || type == 28520 || type == 30779 || type == 30782) return GROWABLE_HEAP_U32();
+ return GROWABLE_HEAP_U16();
+}
+
+function heapAccessShiftForWebGLHeap(heap) {
+ return 31 - Math.clz32(heap.BYTES_PER_ELEMENT);
+}
+
+function emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) {
+ var heap = heapObjectForWebGLType(type);
+ var shift = heapAccessShiftForWebGLHeap(heap);
+ var byteSize = 1 << shift;
+ var sizePerPixel = __colorChannelsInGlTextureFormat(format) * byteSize;
+ var bytes = computeUnpackAlignedImageSize(width, height, sizePerPixel, GL.unpackAlignment);
+ return heap.subarray(pixels >> shift, pixels + bytes >> shift);
+}
+
+function _emscripten_glReadPixels(x, y, width, height, format, type, pixels) {
+ if (GL.currentContext.version >= 2) {
+  if (GLctx.currentPixelPackBufferBinding) {
+   GLctx.readPixels(x, y, width, height, format, type, pixels);
+  } else {
+   var heap = heapObjectForWebGLType(type);
+   GLctx.readPixels(x, y, width, height, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap));
+  }
+  return;
+ }
+ var pixelData = emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, format);
+ if (!pixelData) {
+  GL.recordError(1280);
+  return;
+ }
+ GLctx.readPixels(x, y, width, height, format, type, pixelData);
+}
+
+function _emscripten_glRenderbufferStorage(x0, x1, x2, x3) {
+ GLctx["renderbufferStorage"](x0, x1, x2, x3);
+}
+
+function _emscripten_glScissor(x0, x1, x2, x3) {
+ GLctx["scissor"](x0, x1, x2, x3);
+}
+
+function _emscripten_glShaderSource(shader, count, string, length) {
+ var source = GL.getSource(shader, count, string, length);
+ GLctx.shaderSource(GL.shaders[shader], source);
+}
+
+function _emscripten_glTexImage2D(target, level, internalFormat, width, height, border, format, type, pixels) {
+ if (GL.currentContext.version >= 2) {
+  if (GLctx.currentPixelUnpackBufferBinding) {
+   GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels);
+  } else if (pixels) {
+   var heap = heapObjectForWebGLType(type);
+   GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap));
+  } else {
+   GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, null);
+  }
+  return;
+ }
+ GLctx.texImage2D(target, level, internalFormat, width, height, border, format, type, pixels ? emscriptenWebGLGetTexPixelData(type, format, width, height, pixels, internalFormat) : null);
+}
+
+function _emscripten_glTexImage3D(target, level, internalFormat, width, height, depth, border, format, type, pixels) {
+ if (GLctx.currentPixelUnpackBufferBinding) {
+  GLctx["texImage3D"](target, level, internalFormat, width, height, depth, border, format, type, pixels);
+ } else if (pixels) {
+  var heap = heapObjectForWebGLType(type);
+  GLctx["texImage3D"](target, level, internalFormat, width, height, depth, border, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap));
+ } else {
+  GLctx["texImage3D"](target, level, internalFormat, width, height, depth, border, format, type, null);
+ }
+}
+
+function _emscripten_glTexParameterf(x0, x1, x2) {
+ GLctx["texParameterf"](x0, x1, x2);
+}
+
+function _emscripten_glTexParameteri(x0, x1, x2) {
+ GLctx["texParameteri"](x0, x1, x2);
+}
+
+function _emscripten_glTexStorage2D(x0, x1, x2, x3, x4) {
+ GLctx["texStorage2D"](x0, x1, x2, x3, x4);
+}
+
+function _emscripten_glTexSubImage3D(target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels) {
+ if (GLctx.currentPixelUnpackBufferBinding) {
+  GLctx["texSubImage3D"](target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, pixels);
+ } else if (pixels) {
+  var heap = heapObjectForWebGLType(type);
+  GLctx["texSubImage3D"](target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, heap, pixels >> heapAccessShiftForWebGLHeap(heap));
+ } else {
+  GLctx["texSubImage3D"](target, level, xoffset, yoffset, zoffset, width, height, depth, format, type, null);
+ }
+}
+
+function _emscripten_glTransformFeedbackVaryings(program, count, varyings, bufferMode) {
+ program = GL.programs[program];
+ var vars = [];
+ for (var i = 0; i < count; i++) vars.push(UTF8ToString(GROWABLE_HEAP_I32()[varyings + i * 4 >> 2]));
+ GLctx["transformFeedbackVaryings"](program, vars, bufferMode);
+}
+
+function webglGetUniformLocation(location) {
+ var p = GLctx.currentProgram;
+ if (p) {
+  var webglLoc = p.uniformLocsById[location];
+  if (typeof webglLoc == "number") {
+   p.uniformLocsById[location] = webglLoc = GLctx.getUniformLocation(p, p.uniformArrayNamesById[location] + (webglLoc > 0 ? "[" + webglLoc + "]" : ""));
+  }
+  return webglLoc;
+ } else {
+  GL.recordError(1282);
+ }
+}
+
+function _emscripten_glUniform1f(location, v0) {
+ GLctx.uniform1f(webglGetUniformLocation(location), v0);
+}
+
+function _emscripten_glUniform1i(location, v0) {
+ GLctx.uniform1i(webglGetUniformLocation(location), v0);
+}
+
+var __miniTempWebGLIntBuffers = [];
+
+function _emscripten_glUniform1iv(location, count, value) {
+ if (GL.currentContext.version >= 2) {
+  count && GLctx.uniform1iv(webglGetUniformLocation(location), GROWABLE_HEAP_I32(), value >> 2, count);
+  return;
+ }
+ if (count <= 288) {
+  var view = __miniTempWebGLIntBuffers[count - 1];
+  for (var i = 0; i < count; ++i) {
+   view[i] = GROWABLE_HEAP_I32()[value + 4 * i >> 2];
+  }
+ } else {
+  var view = GROWABLE_HEAP_I32().subarray(value >> 2, value + count * 4 >> 2);
+ }
+ GLctx.uniform1iv(webglGetUniformLocation(location), view);
+}
+
+function _emscripten_glUniform1ui(location, v0) {
+ GLctx.uniform1ui(webglGetUniformLocation(location), v0);
+}
+
+function _emscripten_glUniform1uiv(location, count, value) {
+ count && GLctx.uniform1uiv(webglGetUniformLocation(location), GROWABLE_HEAP_U32(), value >> 2, count);
+}
+
+function _emscripten_glUniform2f(location, v0, v1) {
+ GLctx.uniform2f(webglGetUniformLocation(location), v0, v1);
+}
+
+var miniTempWebGLFloatBuffers = [];
+
+function _emscripten_glUniform2fv(location, count, value) {
+ if (GL.currentContext.version >= 2) {
+  count && GLctx.uniform2fv(webglGetUniformLocation(location), GROWABLE_HEAP_F32(), value >> 2, count * 2);
+  return;
+ }
+ if (count <= 144) {
+  var view = miniTempWebGLFloatBuffers[2 * count - 1];
+  for (var i = 0; i < 2 * count; i += 2) {
+   view[i] = GROWABLE_HEAP_F32()[value + 4 * i >> 2];
+   view[i + 1] = GROWABLE_HEAP_F32()[value + (4 * i + 4) >> 2];
+  }
+ } else {
+  var view = GROWABLE_HEAP_F32().subarray(value >> 2, value + count * 8 >> 2);
+ }
+ GLctx.uniform2fv(webglGetUniformLocation(location), view);
+}
+
+function _emscripten_glUniform2iv(location, count, value) {
+ if (GL.currentContext.version >= 2) {
+  count && GLctx.uniform2iv(webglGetUniformLocation(location), GROWABLE_HEAP_I32(), value >> 2, count * 2);
+  return;
+ }
+ if (count <= 144) {
+  var view = __miniTempWebGLIntBuffers[2 * count - 1];
+  for (var i = 0; i < 2 * count; i += 2) {
+   view[i] = GROWABLE_HEAP_I32()[value + 4 * i >> 2];
+   view[i + 1] = GROWABLE_HEAP_I32()[value + (4 * i + 4) >> 2];
+  }
+ } else {
+  var view = GROWABLE_HEAP_I32().subarray(value >> 2, value + count * 8 >> 2);
+ }
+ GLctx.uniform2iv(webglGetUniformLocation(location), view);
+}
+
+function _emscripten_glUniform3fv(location, count, value) {
+ if (GL.currentContext.version >= 2) {
+  count && GLctx.uniform3fv(webglGetUniformLocation(location), GROWABLE_HEAP_F32(), value >> 2, count * 3);
+  return;
+ }
+ if (count <= 96) {
+  var view = miniTempWebGLFloatBuffers[3 * count - 1];
+  for (var i = 0; i < 3 * count; i += 3) {
+   view[i] = GROWABLE_HEAP_F32()[value + 4 * i >> 2];
+   view[i + 1] = GROWABLE_HEAP_F32()[value + (4 * i + 4) >> 2];
+   view[i + 2] = GROWABLE_HEAP_F32()[value + (4 * i + 8) >> 2];
+  }
+ } else {
+  var view = GROWABLE_HEAP_F32().subarray(value >> 2, value + count * 12 >> 2);
+ }
+ GLctx.uniform3fv(webglGetUniformLocation(location), view);
+}
+
+function _emscripten_glUniform4f(location, v0, v1, v2, v3) {
+ GLctx.uniform4f(webglGetUniformLocation(location), v0, v1, v2, v3);
+}
+
+function _emscripten_glUniform4fv(location, count, value) {
+ if (GL.currentContext.version >= 2) {
+  count && GLctx.uniform4fv(webglGetUniformLocation(location), GROWABLE_HEAP_F32(), value >> 2, count * 4);
+  return;
+ }
+ if (count <= 72) {
+  var view = miniTempWebGLFloatBuffers[4 * count - 1];
+  var heap = GROWABLE_HEAP_F32();
+  value >>= 2;
+  for (var i = 0; i < 4 * count; i += 4) {
+   var dst = value + i;
+   view[i] = heap[dst];
+   view[i + 1] = heap[dst + 1];
+   view[i + 2] = heap[dst + 2];
+   view[i + 3] = heap[dst + 3];
+  }
+ } else {
+  var view = GROWABLE_HEAP_F32().subarray(value >> 2, value + count * 16 >> 2);
+ }
+ GLctx.uniform4fv(webglGetUniformLocation(location), view);
+}
+
+function _emscripten_glUniformBlockBinding(program, uniformBlockIndex, uniformBlockBinding) {
+ program = GL.programs[program];
+ GLctx["uniformBlockBinding"](program, uniformBlockIndex, uniformBlockBinding);
+}
+
+function _emscripten_glUniformMatrix4fv(location, count, transpose, value) {
+ if (GL.currentContext.version >= 2) {
+  count && GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, GROWABLE_HEAP_F32(), value >> 2, count * 16);
+  return;
+ }
+ if (count <= 18) {
+  var view = miniTempWebGLFloatBuffers[16 * count - 1];
+  var heap = GROWABLE_HEAP_F32();
+  value >>= 2;
+  for (var i = 0; i < 16 * count; i += 16) {
+   var dst = value + i;
+   view[i] = heap[dst];
+   view[i + 1] = heap[dst + 1];
+   view[i + 2] = heap[dst + 2];
+   view[i + 3] = heap[dst + 3];
+   view[i + 4] = heap[dst + 4];
+   view[i + 5] = heap[dst + 5];
+   view[i + 6] = heap[dst + 6];
+   view[i + 7] = heap[dst + 7];
+   view[i + 8] = heap[dst + 8];
+   view[i + 9] = heap[dst + 9];
+   view[i + 10] = heap[dst + 10];
+   view[i + 11] = heap[dst + 11];
+   view[i + 12] = heap[dst + 12];
+   view[i + 13] = heap[dst + 13];
+   view[i + 14] = heap[dst + 14];
+   view[i + 15] = heap[dst + 15];
+  }
+ } else {
+  var view = GROWABLE_HEAP_F32().subarray(value >> 2, value + count * 64 >> 2);
+ }
+ GLctx.uniformMatrix4fv(webglGetUniformLocation(location), !!transpose, view);
+}
+
+function _emscripten_glUseProgram(program) {
+ program = GL.programs[program];
+ GLctx.useProgram(program);
+ GLctx.currentProgram = program;
+}
+
+function _emscripten_glVertexAttrib4f(x0, x1, x2, x3, x4) {
+ GLctx["vertexAttrib4f"](x0, x1, x2, x3, x4);
+}
+
+function _emscripten_glVertexAttribDivisor(index, divisor) {
+ GLctx["vertexAttribDivisor"](index, divisor);
+}
+
+function _emscripten_glVertexAttribIPointer(index, size, type, stride, ptr) {
+ GLctx["vertexAttribIPointer"](index, size, type, stride, ptr);
+}
+
+function _emscripten_glVertexAttribPointer(index, size, type, normalized, stride, ptr) {
+ GLctx.vertexAttribPointer(index, size, type, !!normalized, stride, ptr);
+}
+
+function _emscripten_glViewport(x0, x1, x2, x3) {
+ GLctx["viewport"](x0, x1, x2, x3);
+}
+
+function _emscripten_memcpy_big(dest, src, num) {
+ GROWABLE_HEAP_U8().copyWithin(dest, src, src + num);
+}
+
+function _emscripten_num_logical_cores() {
+ return navigator["hardwareConcurrency"];
+}
+
+function _emscripten_proxy_to_main_thread_js(index, sync) {
+ var numCallArgs = arguments.length - 2;
+ var outerArgs = arguments;
+ if (numCallArgs > 20 - 1) throw "emscripten_proxy_to_main_thread_js: Too many arguments " + numCallArgs + " to proxied function idx=" + index + ", maximum supported is " + (20 - 1) + "!";
+ return withStackSave(function() {
+  var serializedNumCallArgs = numCallArgs;
+  var args = stackAlloc(serializedNumCallArgs * 8);
+  var b = args >> 3;
+  for (var i = 0; i < numCallArgs; i++) {
+   var arg = outerArgs[2 + i];
+   GROWABLE_HEAP_F64()[b + i] = arg;
+  }
+  return _emscripten_run_in_main_runtime_thread_js(index, serializedNumCallArgs, args, sync);
+ });
+}
+
+var _emscripten_receive_on_main_thread_js_callArgs = [];
+
+function _emscripten_receive_on_main_thread_js(index, numCallArgs, args) {
+ _emscripten_receive_on_main_thread_js_callArgs.length = numCallArgs;
+ var b = args >> 3;
+ for (var i = 0; i < numCallArgs; i++) {
+  _emscripten_receive_on_main_thread_js_callArgs[i] = GROWABLE_HEAP_F64()[b + i];
+ }
+ var isEmAsmConst = index < 0;
+ var func = !isEmAsmConst ? proxiedFunctionTable[index] : ASM_CONSTS[-index - 1];
+ assert(func.length == numCallArgs, "Call args mismatch in emscripten_receive_on_main_thread_js");
+ return func.apply(null, _emscripten_receive_on_main_thread_js_callArgs);
+}
+
+function getHeapMax() {
+ return 2147483648;
+}
+
+function emscripten_realloc_buffer(size) {
+ try {
+  wasmMemory.grow(size - buffer.byteLength + 65535 >>> 16);
+  updateGlobalBufferAndViews(wasmMemory.buffer);
+  return 1;
+ } catch (e) {
+  err("emscripten_realloc_buffer: Attempted to grow heap from " + buffer.byteLength + " bytes to " + size + " bytes, but got error: " + e);
+ }
+}
+
+function _emscripten_resize_heap(requestedSize) {
+ var oldSize = GROWABLE_HEAP_U8().length;
+ requestedSize = requestedSize >>> 0;
+ if (requestedSize <= oldSize) {
+  return false;
+ }
+ var maxHeapSize = getHeapMax();
+ if (requestedSize > maxHeapSize) {
+  err("Cannot enlarge memory, asked to go up to " + requestedSize + " bytes, but the limit is " + maxHeapSize + " bytes!");
+  return false;
+ }
+ let alignUp = (x, multiple) => x + (multiple - x % multiple) % multiple;
+ for (var cutDown = 1; cutDown <= 4; cutDown *= 2) {
+  var overGrownHeapSize = oldSize * (1 + .2 / cutDown);
+  overGrownHeapSize = Math.min(overGrownHeapSize, requestedSize + 100663296);
+  var newSize = Math.min(maxHeapSize, alignUp(Math.max(requestedSize, overGrownHeapSize), 65536));
+  var replacement = emscripten_realloc_buffer(newSize);
+  if (replacement) {
+   return true;
+  }
+ }
+ err("Failed to grow the heap from " + oldSize + " bytes to " + newSize + " bytes, not enough memory!");
+ return false;
+}
+
+function _emscripten_set_main_loop(func, fps, simulateInfiniteLoop) {
+ var browserIterationFunc = getWasmTableEntry(func);
+ setMainLoop(browserIterationFunc, fps, simulateInfiniteLoop);
+}
+
+function _emscripten_supports_offscreencanvas() {
+ return 0;
+}
+
+function _emscripten_unwind_to_js_event_loop() {
+ throw "unwind";
+}
+
+function _emscripten_webgl_destroy_context(contextHandle) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(38, 1, contextHandle);
+ if (GL.currentContext == contextHandle) GL.currentContext = 0;
+ GL.deleteContext(contextHandle);
+}
+
+function _emscripten_webgl_do_commit_frame() {
+ if (!GL.currentContext || !GL.currentContext.GLctx) {
+  return -3;
+ }
+ if (GL.currentContext.defaultFbo) {
+  GL.blitOffscreenFramebuffer(GL.currentContext);
+  return 0;
+ }
+ if (!GL.currentContext.attributes.explicitSwapControl) {
+  return -3;
+ }
+ return 0;
+}
+
+function _emscripten_webgl_create_context_proxied(target, attributes) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(39, 1, target, attributes);
+ return _emscripten_webgl_do_create_context(target, attributes);
+}
+
+var JSEvents = {
+ inEventHandler: 0,
+ removeAllEventListeners: function() {
+  for (var i = JSEvents.eventHandlers.length - 1; i >= 0; --i) {
+   JSEvents._removeHandler(i);
+  }
+  JSEvents.eventHandlers = [];
+  JSEvents.deferredCalls = [];
+ },
+ registerRemoveEventListeners: function() {
+  if (!JSEvents.removeEventListenersRegistered) {
+   __ATEXIT__.push(JSEvents.removeAllEventListeners);
+   JSEvents.removeEventListenersRegistered = true;
+  }
+ },
+ deferredCalls: [],
+ deferCall: function(targetFunction, precedence, argsList) {
+  function arraysHaveEqualContent(arrA, arrB) {
+   if (arrA.length != arrB.length) return false;
+   for (var i in arrA) {
+    if (arrA[i] != arrB[i]) return false;
+   }
+   return true;
+  }
+  for (var i in JSEvents.deferredCalls) {
+   var call = JSEvents.deferredCalls[i];
+   if (call.targetFunction == targetFunction && arraysHaveEqualContent(call.argsList, argsList)) {
+    return;
+   }
+  }
+  JSEvents.deferredCalls.push({
+   targetFunction: targetFunction,
+   precedence: precedence,
+   argsList: argsList
+  });
+  JSEvents.deferredCalls.sort(function(x, y) {
+   return x.precedence < y.precedence;
+  });
+ },
+ removeDeferredCalls: function(targetFunction) {
+  for (var i = 0; i < JSEvents.deferredCalls.length; ++i) {
+   if (JSEvents.deferredCalls[i].targetFunction == targetFunction) {
+    JSEvents.deferredCalls.splice(i, 1);
+    --i;
+   }
+  }
+ },
+ canPerformEventHandlerRequests: function() {
+  return JSEvents.inEventHandler && JSEvents.currentEventHandler.allowsDeferredCalls;
+ },
+ runDeferredCalls: function() {
+  if (!JSEvents.canPerformEventHandlerRequests()) {
+   return;
+  }
+  for (var i = 0; i < JSEvents.deferredCalls.length; ++i) {
+   var call = JSEvents.deferredCalls[i];
+   JSEvents.deferredCalls.splice(i, 1);
+   --i;
+   call.targetFunction.apply(null, call.argsList);
+  }
+ },
+ eventHandlers: [],
+ removeAllHandlersOnTarget: function(target, eventTypeString) {
+  for (var i = 0; i < JSEvents.eventHandlers.length; ++i) {
+   if (JSEvents.eventHandlers[i].target == target && (!eventTypeString || eventTypeString == JSEvents.eventHandlers[i].eventTypeString)) {
+    JSEvents._removeHandler(i--);
+   }
+  }
+ },
+ _removeHandler: function(i) {
+  var h = JSEvents.eventHandlers[i];
+  h.target.removeEventListener(h.eventTypeString, h.eventListenerFunc, h.useCapture);
+  JSEvents.eventHandlers.splice(i, 1);
+ },
+ registerOrRemoveHandler: function(eventHandler) {
+  var jsEventHandler = function jsEventHandler(event) {
+   ++JSEvents.inEventHandler;
+   JSEvents.currentEventHandler = eventHandler;
+   JSEvents.runDeferredCalls();
+   eventHandler.handlerFunc(event);
+   JSEvents.runDeferredCalls();
+   --JSEvents.inEventHandler;
+  };
+  if (eventHandler.callbackfunc) {
+   eventHandler.eventListenerFunc = jsEventHandler;
+   eventHandler.target.addEventListener(eventHandler.eventTypeString, jsEventHandler, eventHandler.useCapture);
+   JSEvents.eventHandlers.push(eventHandler);
+   JSEvents.registerRemoveEventListeners();
+  } else {
+   for (var i = 0; i < JSEvents.eventHandlers.length; ++i) {
+    if (JSEvents.eventHandlers[i].target == eventHandler.target && JSEvents.eventHandlers[i].eventTypeString == eventHandler.eventTypeString) {
+     JSEvents._removeHandler(i--);
+    }
+   }
+  }
+ },
+ queueEventHandlerOnThread_iiii: function(targetThread, eventHandlerFunc, eventTypeId, eventData, userData) {
+  withStackSave(function() {
+   var varargs = stackAlloc(12);
+   GROWABLE_HEAP_I32()[varargs >> 2] = eventTypeId;
+   GROWABLE_HEAP_I32()[varargs + 4 >> 2] = eventData;
+   GROWABLE_HEAP_I32()[varargs + 8 >> 2] = userData;
+   _emscripten_dispatch_to_thread_(targetThread, 637534208, eventHandlerFunc, eventData, varargs);
+  });
+ },
+ getTargetThreadForEventCallback: function(targetThread) {
+  switch (targetThread) {
+  case 1:
+   return 0;
+
+  case 2:
+   return PThread.currentProxiedOperationCallerThread;
+
+  default:
+   return targetThread;
+  }
+ },
+ getNodeNameForTarget: function(target) {
+  if (!target) return "";
+  if (target == window) return "#window";
+  if (target == screen) return "#screen";
+  return target && target.nodeName ? target.nodeName : "";
+ },
+ fullscreenEnabled: function() {
+  return document.fullscreenEnabled || document.webkitFullscreenEnabled;
+ }
+};
+
+var __emscripten_webgl_power_preferences = [ "default", "low-power", "high-performance" ];
+
+function maybeCStringToJsString(cString) {
+ return cString > 2 ? UTF8ToString(cString) : cString;
+}
+
+var specialHTMLTargets = [ 0, typeof document != "undefined" ? document : 0, typeof window != "undefined" ? window : 0 ];
+
+function findEventTarget(target) {
+ target = maybeCStringToJsString(target);
+ var domElement = specialHTMLTargets[target] || (typeof document != "undefined" ? document.querySelector(target) : undefined);
+ return domElement;
+}
+
+function findCanvasEventTarget(target) {
+ return findEventTarget(target);
+}
+
+function _emscripten_webgl_do_create_context(target, attributes) {
+ assert(attributes);
+ var a = attributes >> 2;
+ var powerPreference = GROWABLE_HEAP_I32()[a + (24 >> 2)];
+ var contextAttributes = {
+  "alpha": !!GROWABLE_HEAP_I32()[a + (0 >> 2)],
+  "depth": !!GROWABLE_HEAP_I32()[a + (4 >> 2)],
+  "stencil": !!GROWABLE_HEAP_I32()[a + (8 >> 2)],
+  "antialias": !!GROWABLE_HEAP_I32()[a + (12 >> 2)],
+  "premultipliedAlpha": !!GROWABLE_HEAP_I32()[a + (16 >> 2)],
+  "preserveDrawingBuffer": !!GROWABLE_HEAP_I32()[a + (20 >> 2)],
+  "powerPreference": __emscripten_webgl_power_preferences[powerPreference],
+  "failIfMajorPerformanceCaveat": !!GROWABLE_HEAP_I32()[a + (28 >> 2)],
+  majorVersion: GROWABLE_HEAP_I32()[a + (32 >> 2)],
+  minorVersion: GROWABLE_HEAP_I32()[a + (36 >> 2)],
+  enableExtensionsByDefault: GROWABLE_HEAP_I32()[a + (40 >> 2)],
+  explicitSwapControl: GROWABLE_HEAP_I32()[a + (44 >> 2)],
+  proxyContextToMainThread: GROWABLE_HEAP_I32()[a + (48 >> 2)],
+  renderViaOffscreenBackBuffer: GROWABLE_HEAP_I32()[a + (52 >> 2)]
+ };
+ var canvas = findCanvasEventTarget(target);
+ if (ENVIRONMENT_IS_PTHREAD) {
+  if (contextAttributes.proxyContextToMainThread === 2 || !canvas && contextAttributes.proxyContextToMainThread === 1) {
+   if (typeof OffscreenCanvas == "undefined") {
+    GROWABLE_HEAP_I32()[attributes + 52 >> 2] = 1;
+    GROWABLE_HEAP_I32()[attributes + 20 >> 2] = 1;
+   }
+   return _emscripten_webgl_create_context_proxied(target, attributes);
+  }
+ }
+ if (!canvas) {
+  return 0;
+ }
+ if (contextAttributes.explicitSwapControl && !contextAttributes.renderViaOffscreenBackBuffer) {
+  contextAttributes.renderViaOffscreenBackBuffer = true;
+ }
+ var contextHandle = GL.createContext(canvas, contextAttributes);
+ return contextHandle;
+}
+
+function _emscripten_webgl_enable_extension(contextHandle, extension) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(40, 1, contextHandle, extension);
+ var context = GL.getContext(contextHandle);
+ var extString = UTF8ToString(extension);
+ if (extString.startsWith("GL_")) extString = extString.substr(3);
+ if (extString == "ANGLE_instanced_arrays") __webgl_enable_ANGLE_instanced_arrays(GLctx);
+ if (extString == "OES_vertex_array_object") __webgl_enable_OES_vertex_array_object(GLctx);
+ if (extString == "WEBGL_draw_buffers") __webgl_enable_WEBGL_draw_buffers(GLctx);
+ if (extString == "WEBGL_draw_instanced_base_vertex_base_instance") __webgl_enable_WEBGL_draw_instanced_base_vertex_base_instance(GLctx);
+ if (extString == "WEBGL_multi_draw_instanced_base_vertex_base_instance") __webgl_enable_WEBGL_multi_draw_instanced_base_vertex_base_instance(GLctx);
+ if (extString == "WEBGL_multi_draw") __webgl_enable_WEBGL_multi_draw(GLctx);
+ var ext = context.GLctx.getExtension(extString);
+ return !!ext;
+}
+
+function _emscripten_webgl_init_context_attributes(attributes) {
+ assert(attributes);
+ var a = attributes >> 2;
+ for (var i = 0; i < 56 >> 2; ++i) {
+  GROWABLE_HEAP_I32()[a + i] = 0;
+ }
+ GROWABLE_HEAP_I32()[a + (0 >> 2)] = GROWABLE_HEAP_I32()[a + (4 >> 2)] = GROWABLE_HEAP_I32()[a + (12 >> 2)] = GROWABLE_HEAP_I32()[a + (16 >> 2)] = GROWABLE_HEAP_I32()[a + (32 >> 2)] = GROWABLE_HEAP_I32()[a + (40 >> 2)] = 1;
+ if (ENVIRONMENT_IS_WORKER) GROWABLE_HEAP_I32()[attributes + 48 >> 2] = 1;
+}
+
+function _emscripten_webgl_make_context_current_calling_thread(contextHandle) {
+ var success = GL.makeContextCurrent(contextHandle);
+ if (success) GL.currentContextIsProxied = false;
+ return success ? 0 : -5;
+}
+
+var ENV = {};
+
+function getExecutableName() {
+ return thisProgram || "./this.program";
+}
+
+function getEnvStrings() {
+ if (!getEnvStrings.strings) {
+  var lang = (typeof navigator == "object" && navigator.languages && navigator.languages[0] || "C").replace("-", "_") + ".UTF-8";
+  var env = {
+   "USER": "web_user",
+   "LOGNAME": "web_user",
+   "PATH": "/",
+   "PWD": "/",
+   "HOME": "/home/web_user",
+   "LANG": lang,
+   "_": getExecutableName()
+  };
+  for (var x in ENV) {
+   if (ENV[x] === undefined) delete env[x]; else env[x] = ENV[x];
+  }
+  var strings = [];
+  for (var x in env) {
+   strings.push(x + "=" + env[x]);
+  }
+  getEnvStrings.strings = strings;
+ }
+ return getEnvStrings.strings;
+}
+
+function writeAsciiToMemory(str, buffer, dontAddNull) {
+ for (var i = 0; i < str.length; ++i) {
+  assert(str.charCodeAt(i) === (str.charCodeAt(i) & 255));
+  GROWABLE_HEAP_I8()[buffer++ >> 0] = str.charCodeAt(i);
+ }
+ if (!dontAddNull) GROWABLE_HEAP_I8()[buffer >> 0] = 0;
+}
+
+function _environ_get(__environ, environ_buf) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(41, 1, __environ, environ_buf);
+ var bufSize = 0;
+ getEnvStrings().forEach(function(string, i) {
+  var ptr = environ_buf + bufSize;
+  GROWABLE_HEAP_U32()[__environ + i * 4 >> 2] = ptr;
+  writeAsciiToMemory(string, ptr);
+  bufSize += string.length + 1;
+ });
+ return 0;
+}
+
+function _environ_sizes_get(penviron_count, penviron_buf_size) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(42, 1, penviron_count, penviron_buf_size);
+ var strings = getEnvStrings();
+ GROWABLE_HEAP_U32()[penviron_count >> 2] = strings.length;
+ var bufSize = 0;
+ strings.forEach(function(string) {
+  bufSize += string.length + 1;
+ });
+ GROWABLE_HEAP_U32()[penviron_buf_size >> 2] = bufSize;
+ return 0;
+}
+
+function _fd_close(fd) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(43, 1, fd);
+ try {
+  var stream = SYSCALLS.getStreamFromFD(fd);
+  FS.close(stream);
+  return 0;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return e.errno;
+ }
+}
+
+function _fd_fdstat_get(fd, pbuf) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(44, 1, fd, pbuf);
+ try {
+  var stream = SYSCALLS.getStreamFromFD(fd);
+  var type = stream.tty ? 2 : FS.isDir(stream.mode) ? 3 : FS.isLink(stream.mode) ? 7 : 4;
+  GROWABLE_HEAP_I8()[pbuf >> 0] = type;
+  return 0;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return e.errno;
+ }
+}
+
+function doReadv(stream, iov, iovcnt, offset) {
+ var ret = 0;
+ for (var i = 0; i < iovcnt; i++) {
+  var ptr = GROWABLE_HEAP_U32()[iov >> 2];
+  var len = GROWABLE_HEAP_U32()[iov + 4 >> 2];
+  iov += 8;
+  var curr = FS.read(stream, GROWABLE_HEAP_I8(), ptr, len, offset);
+  if (curr < 0) return -1;
+  ret += curr;
+  if (curr < len) break;
+ }
+ return ret;
+}
+
+function _fd_read(fd, iov, iovcnt, pnum) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(45, 1, fd, iov, iovcnt, pnum);
+ try {
+  var stream = SYSCALLS.getStreamFromFD(fd);
+  var num = doReadv(stream, iov, iovcnt);
+  GROWABLE_HEAP_I32()[pnum >> 2] = num;
+  return 0;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return e.errno;
+ }
+}
+
+function convertI32PairToI53Checked(lo, hi) {
+ assert(lo == lo >>> 0 || lo == (lo | 0));
+ assert(hi === (hi | 0));
+ return hi + 2097152 >>> 0 < 4194305 - !!lo ? (lo >>> 0) + hi * 4294967296 : NaN;
+}
+
+function _fd_seek(fd, offset_low, offset_high, whence, newOffset) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(46, 1, fd, offset_low, offset_high, whence, newOffset);
+ try {
+  var offset = convertI32PairToI53Checked(offset_low, offset_high);
+  if (isNaN(offset)) return 61;
+  var stream = SYSCALLS.getStreamFromFD(fd);
+  FS.llseek(stream, offset, whence);
+  tempI64 = [ stream.position >>> 0, (tempDouble = stream.position, +Math.abs(tempDouble) >= 1 ? tempDouble > 0 ? (Math.min(+Math.floor(tempDouble / 4294967296), 4294967295) | 0) >>> 0 : ~~+Math.ceil((tempDouble - +(~~tempDouble >>> 0)) / 4294967296) >>> 0 : 0) ], 
+  GROWABLE_HEAP_I32()[newOffset >> 2] = tempI64[0], GROWABLE_HEAP_I32()[newOffset + 4 >> 2] = tempI64[1];
+  if (stream.getdents && offset === 0 && whence === 0) stream.getdents = null;
+  return 0;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return e.errno;
+ }
+}
+
+function doWritev(stream, iov, iovcnt, offset) {
+ var ret = 0;
+ for (var i = 0; i < iovcnt; i++) {
+  var ptr = GROWABLE_HEAP_U32()[iov >> 2];
+  var len = GROWABLE_HEAP_U32()[iov + 4 >> 2];
+  iov += 8;
+  var curr = FS.write(stream, GROWABLE_HEAP_I8(), ptr, len, offset);
+  if (curr < 0) return -1;
+  ret += curr;
+ }
+ return ret;
+}
+
+function _fd_write(fd, iov, iovcnt, pnum) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(47, 1, fd, iov, iovcnt, pnum);
+ try {
+  var stream = SYSCALLS.getStreamFromFD(fd);
+  var num = doWritev(stream, iov, iovcnt);
+  GROWABLE_HEAP_U32()[pnum >> 2] = num;
+  return 0;
+ } catch (e) {
+  if (typeof FS == "undefined" || !(e instanceof FS.ErrnoError)) throw e;
+  return e.errno;
+ }
+}
+
+function _getTempRet0() {
+ return getTempRet0();
+}
+
+function _getaddrinfo(node, service, hint, out) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(48, 1, node, service, hint, out);
+ var addrs = [];
+ var canon = null;
+ var addr = 0;
+ var port = 0;
+ var flags = 0;
+ var family = 0;
+ var type = 0;
+ var proto = 0;
+ var ai, last;
+ function allocaddrinfo(family, type, proto, canon, addr, port) {
+  var sa, salen, ai;
+  var errno;
+  salen = family === 10 ? 28 : 16;
+  addr = family === 10 ? inetNtop6(addr) : inetNtop4(addr);
+  sa = _malloc(salen);
+  errno = writeSockaddr(sa, family, addr, port);
+  assert(!errno);
+  ai = _malloc(32);
+  GROWABLE_HEAP_I32()[ai + 4 >> 2] = family;
+  GROWABLE_HEAP_I32()[ai + 8 >> 2] = type;
+  GROWABLE_HEAP_I32()[ai + 12 >> 2] = proto;
+  GROWABLE_HEAP_I32()[ai + 24 >> 2] = canon;
+  GROWABLE_HEAP_U32()[ai + 20 >> 2] = sa;
+  if (family === 10) {
+   GROWABLE_HEAP_I32()[ai + 16 >> 2] = 28;
+  } else {
+   GROWABLE_HEAP_I32()[ai + 16 >> 2] = 16;
+  }
+  GROWABLE_HEAP_I32()[ai + 28 >> 2] = 0;
+  return ai;
+ }
+ if (hint) {
+  flags = GROWABLE_HEAP_I32()[hint >> 2];
+  family = GROWABLE_HEAP_I32()[hint + 4 >> 2];
+  type = GROWABLE_HEAP_I32()[hint + 8 >> 2];
+  proto = GROWABLE_HEAP_I32()[hint + 12 >> 2];
+ }
+ if (type && !proto) {
+  proto = type === 2 ? 17 : 6;
+ }
+ if (!type && proto) {
+  type = proto === 17 ? 2 : 1;
+ }
+ if (proto === 0) {
+  proto = 6;
+ }
+ if (type === 0) {
+  type = 1;
+ }
+ if (!node && !service) {
+  return -2;
+ }
+ if (flags & ~(1 | 2 | 4 | 1024 | 8 | 16 | 32)) {
+  return -1;
+ }
+ if (hint !== 0 && GROWABLE_HEAP_I32()[hint >> 2] & 2 && !node) {
+  return -1;
+ }
+ if (flags & 32) {
+  return -2;
+ }
+ if (type !== 0 && type !== 1 && type !== 2) {
+  return -7;
+ }
+ if (family !== 0 && family !== 2 && family !== 10) {
+  return -6;
+ }
+ if (service) {
+  service = UTF8ToString(service);
+  port = parseInt(service, 10);
+  if (isNaN(port)) {
+   if (flags & 1024) {
+    return -2;
+   }
+   return -8;
+  }
+ }
+ if (!node) {
+  if (family === 0) {
+   family = 2;
+  }
+  if ((flags & 1) === 0) {
+   if (family === 2) {
+    addr = _htonl(2130706433);
+   } else {
+    addr = [ 0, 0, 0, 1 ];
+   }
+  }
+  ai = allocaddrinfo(family, type, proto, null, addr, port);
+  GROWABLE_HEAP_U32()[out >> 2] = ai;
+  return 0;
+ }
+ node = UTF8ToString(node);
+ addr = inetPton4(node);
+ if (addr !== null) {
+  if (family === 0 || family === 2) {
+   family = 2;
+  } else if (family === 10 && flags & 8) {
+   addr = [ 0, 0, _htonl(65535), addr ];
+   family = 10;
+  } else {
+   return -2;
+  }
+ } else {
+  addr = inetPton6(node);
+  if (addr !== null) {
+   if (family === 0 || family === 10) {
+    family = 10;
+   } else {
+    return -2;
+   }
+  }
+ }
+ if (addr != null) {
+  ai = allocaddrinfo(family, type, proto, node, addr, port);
+  GROWABLE_HEAP_U32()[out >> 2] = ai;
+  return 0;
+ }
+ if (flags & 4) {
+  return -2;
+ }
+ node = DNS.lookup_name(node);
+ addr = inetPton4(node);
+ if (family === 0) {
+  family = 2;
+ } else if (family === 10) {
+  addr = [ 0, 0, _htonl(65535), addr ];
+ }
+ ai = allocaddrinfo(family, type, proto, null, addr, port);
+ GROWABLE_HEAP_U32()[out >> 2] = ai;
+ return 0;
+}
+
+function _getnameinfo(sa, salen, node, nodelen, serv, servlen, flags) {
+ var info = readSockaddr(sa, salen);
+ if (info.errno) {
+  return -6;
+ }
+ var port = info.port;
+ var addr = info.addr;
+ var overflowed = false;
+ if (node && nodelen) {
+  var lookup;
+  if (flags & 1 || !(lookup = DNS.lookup_addr(addr))) {
+   if (flags & 8) {
+    return -2;
+   }
+  } else {
+   addr = lookup;
+  }
+  var numBytesWrittenExclNull = stringToUTF8(addr, node, nodelen);
+  if (numBytesWrittenExclNull + 1 >= nodelen) {
+   overflowed = true;
+  }
+ }
+ if (serv && servlen) {
+  port = "" + port;
+  var numBytesWrittenExclNull = stringToUTF8(port, serv, servlen);
+  if (numBytesWrittenExclNull + 1 >= servlen) {
+   overflowed = true;
+  }
+ }
+ if (overflowed) {
+  return -12;
+ }
+ return 0;
+}
+
+function _glGetBufferSubData(target, offset, size, data) {
+ if (!data) {
+  GL.recordError(1281);
+  return;
+ }
+ size && GLctx["getBufferSubData"](target, offset, GROWABLE_HEAP_U8(), data, size);
+}
+
+var GodotRuntime = {
+ get_func: function(ptr) {
+  return wasmTable.get(ptr);
+ },
+ error: function() {
+  err.apply(null, Array.from(arguments));
+ },
+ print: function() {
+  out.apply(null, Array.from(arguments));
+ },
+ malloc: function(p_size) {
+  return _malloc(p_size);
+ },
+ free: function(p_ptr) {
+  _free(p_ptr);
+ },
+ getHeapValue: function(p_ptr, p_type) {
+  return getValue(p_ptr, p_type);
+ },
+ setHeapValue: function(p_ptr, p_value, p_type) {
+  setValue(p_ptr, p_value, p_type);
+ },
+ heapSub: function(p_heap, p_ptr, p_len) {
+  const bytes = p_heap.BYTES_PER_ELEMENT;
+  return p_heap.subarray(p_ptr / bytes, p_ptr / bytes + p_len);
+ },
+ heapSlice: function(p_heap, p_ptr, p_len) {
+  const bytes = p_heap.BYTES_PER_ELEMENT;
+  return p_heap.slice(p_ptr / bytes, p_ptr / bytes + p_len);
+ },
+ heapCopy: function(p_dst, p_src, p_ptr) {
+  const bytes = p_src.BYTES_PER_ELEMENT;
+  return p_dst.set(p_src, p_ptr / bytes);
+ },
+ parseString: function(p_ptr) {
+  return UTF8ToString(p_ptr);
+ },
+ parseStringArray: function(p_ptr, p_size) {
+  const strings = [];
+  const ptrs = GodotRuntime.heapSub(GROWABLE_HEAP_I32(), p_ptr, p_size);
+  ptrs.forEach(function(ptr) {
+   strings.push(GodotRuntime.parseString(ptr));
+  });
+  return strings;
+ },
+ strlen: function(p_str) {
+  return lengthBytesUTF8(p_str);
+ },
+ allocString: function(p_str) {
+  const length = GodotRuntime.strlen(p_str) + 1;
+  const c_str = GodotRuntime.malloc(length);
+  stringToUTF8(p_str, c_str, length);
+  return c_str;
+ },
+ allocStringArray: function(p_strings) {
+  const size = p_strings.length;
+  const c_ptr = GodotRuntime.malloc(size * 4);
+  for (let i = 0; i < size; i++) {
+   GROWABLE_HEAP_I32()[(c_ptr >> 2) + i] = GodotRuntime.allocString(p_strings[i]);
+  }
+  return c_ptr;
+ },
+ freeStringArray: function(p_ptr, p_len) {
+  for (let i = 0; i < p_len; i++) {
+   GodotRuntime.free(GROWABLE_HEAP_I32()[(p_ptr >> 2) + i]);
+  }
+  GodotRuntime.free(p_ptr);
+ },
+ stringToHeap: function(p_str, p_ptr, p_len) {
+  return stringToUTF8Array(p_str, GROWABLE_HEAP_I8(), p_ptr, p_len);
+ }
+};
+
+var GodotConfig = {
+ canvas: null,
+ locale: "en",
+ canvas_resize_policy: 2,
+ virtual_keyboard: false,
+ persistent_drops: false,
+ on_execute: null,
+ on_exit: null,
+ init_config: function(p_opts) {
+  GodotConfig.canvas_resize_policy = p_opts["canvasResizePolicy"];
+  GodotConfig.canvas = p_opts["canvas"];
+  GodotConfig.locale = p_opts["locale"] || GodotConfig.locale;
+  GodotConfig.virtual_keyboard = p_opts["virtualKeyboard"];
+  GodotConfig.persistent_drops = !!p_opts["persistentDrops"];
+  GodotConfig.on_execute = p_opts["onExecute"];
+  GodotConfig.on_exit = p_opts["onExit"];
+  if (p_opts["focusCanvas"]) {
+   GodotConfig.canvas.focus();
+  }
+ },
+ locate_file: function(file) {
+  return Module["locateFile"](file);
+ },
+ clear: function() {
+  GodotConfig.canvas = null;
+  GodotConfig.locale = "en";
+  GodotConfig.canvas_resize_policy = 2;
+  GodotConfig.virtual_keyboard = false;
+  GodotConfig.persistent_drops = false;
+  GodotConfig.on_execute = null;
+  GodotConfig.on_exit = null;
+ }
+};
+
+var GodotFS = {
+ ENOENT: 44,
+ _idbfs: false,
+ _syncing: false,
+ _mount_points: [],
+ is_persistent: function() {
+  return GodotFS._idbfs ? 1 : 0;
+ },
+ init: function(persistentPaths) {
+  GodotFS._idbfs = false;
+  if (!Array.isArray(persistentPaths)) {
+   return Promise.reject(new Error("Persistent paths must be an array"));
+  }
+  if (!persistentPaths.length) {
+   return Promise.resolve();
+  }
+  GodotFS._mount_points = persistentPaths.slice();
+  function createRecursive(dir) {
+   try {
+    FS.stat(dir);
+   } catch (e) {
+    if (e.errno !== GodotFS.ENOENT) {
+     GodotRuntime.error(e);
+    }
+    FS.mkdirTree(dir);
+   }
+  }
+  GodotFS._mount_points.forEach(function(path) {
+   createRecursive(path);
+   FS.mount(IDBFS, {}, path);
+  });
+  return new Promise(function(resolve, reject) {
+   FS.syncfs(true, function(err) {
+    if (err) {
+     GodotFS._mount_points = [];
+     GodotFS._idbfs = false;
+     GodotRuntime.print(`IndexedDB not available: ${err.message}`);
+    } else {
+     GodotFS._idbfs = true;
+    }
+    resolve(err);
+   });
+  });
+ },
+ deinit: function() {
+  GodotFS._mount_points.forEach(function(path) {
+   try {
+    FS.unmount(path);
+   } catch (e) {
+    GodotRuntime.print("Already unmounted", e);
+   }
+   if (GodotFS._idbfs && IDBFS.dbs[path]) {
+    IDBFS.dbs[path].close();
+    delete IDBFS.dbs[path];
+   }
+  });
+  GodotFS._mount_points = [];
+  GodotFS._idbfs = false;
+  GodotFS._syncing = false;
+ },
+ sync: function() {
+  if (GodotFS._syncing) {
+   GodotRuntime.error("Already syncing!");
+   return Promise.resolve();
+  }
+  GodotFS._syncing = true;
+  return new Promise(function(resolve, reject) {
+   FS.syncfs(false, function(error) {
+    if (error) {
+     GodotRuntime.error(`Failed to save IDB file system: ${error.message}`);
+    }
+    GodotFS._syncing = false;
+    resolve(error);
+   });
+  });
+ },
+ copy_to_fs: function(path, buffer) {
+  const idx = path.lastIndexOf("/");
+  let dir = "/";
+  if (idx > 0) {
+   dir = path.slice(0, idx);
+  }
+  try {
+   FS.stat(dir);
+  } catch (e) {
+   if (e.errno !== GodotFS.ENOENT) {
+    GodotRuntime.error(e);
+   }
+   FS.mkdirTree(dir);
+  }
+  FS.writeFile(path, new Uint8Array(buffer));
+ }
+};
+
+var GodotOS = {
+ request_quit: function() {},
+ _async_cbs: [],
+ _fs_sync_promise: null,
+ atexit: function(p_promise_cb) {
+  GodotOS._async_cbs.push(p_promise_cb);
+ },
+ cleanup: function(exit_code) {
+  const cb = GodotConfig.on_exit;
+  GodotFS.deinit();
+  GodotConfig.clear();
+  if (cb) {
+   cb(exit_code);
+  }
+ },
+ finish_async: function(callback) {
+  GodotOS._fs_sync_promise.then(function(err) {
+   const promises = [];
+   GodotOS._async_cbs.forEach(function(cb) {
+    promises.push(new Promise(cb));
+   });
+   return Promise.all(promises);
+  }).then(function() {
+   return GodotFS.sync();
+  }).then(function(err) {
+   setTimeout(function() {
+    callback();
+   }, 0);
+  });
+ }
+};
+
+var GodotAudio = {
+ ctx: null,
+ input: null,
+ driver: null,
+ interval: 0,
+ init: function(mix_rate, latency, onstatechange, onlatencyupdate) {
+  const opts = {};
+  if (mix_rate) {
+   opts["sampleRate"] = mix_rate;
+  }
+  const ctx = new (window.AudioContext || window.webkitAudioContext)(opts);
+  GodotAudio.ctx = ctx;
+  ctx.onstatechange = function() {
+   let state = 0;
+   switch (ctx.state) {
+   case "suspended":
+    state = 0;
+    break;
+
+   case "running":
+    state = 1;
+    break;
+
+   case "closed":
+    state = 2;
+    break;
+   }
+   onstatechange(state);
+  };
+  ctx.onstatechange();
+  GodotAudio.interval = setInterval(function() {
+   let computed_latency = 0;
+   if (ctx.baseLatency) {
+    computed_latency += GodotAudio.ctx.baseLatency;
+   }
+   if (ctx.outputLatency) {
+    computed_latency += GodotAudio.ctx.outputLatency;
+   }
+   onlatencyupdate(computed_latency);
+  }, 1e3);
+  GodotOS.atexit(GodotAudio.close_async);
+  return ctx.destination.channelCount;
+ },
+ create_input: function(callback) {
+  if (GodotAudio.input) {
+   return 0;
+  }
+  function gotMediaInput(stream) {
+   try {
+    GodotAudio.input = GodotAudio.ctx.createMediaStreamSource(stream);
+    callback(GodotAudio.input);
+   } catch (e) {
+    GodotRuntime.error("Failed creaating input.", e);
+   }
+  }
+  if (navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {
+   navigator.mediaDevices.getUserMedia({
+    "audio": true
+   }).then(gotMediaInput, function(e) {
+    GodotRuntime.error("Error getting user media.", e);
+   });
+  } else {
+   if (!navigator.getUserMedia) {
+    navigator.getUserMedia = navigator.webkitGetUserMedia || navigator.mozGetUserMedia;
+   }
+   if (!navigator.getUserMedia) {
+    GodotRuntime.error("getUserMedia not available.");
+    return 1;
+   }
+   navigator.getUserMedia({
+    "audio": true
+   }, gotMediaInput, function(e) {
+    GodotRuntime.print(e);
+   });
+  }
+  return 0;
+ },
+ close_async: function(resolve, reject) {
+  const ctx = GodotAudio.ctx;
+  GodotAudio.ctx = null;
+  if (!ctx) {
+   resolve();
+   return;
+  }
+  if (GodotAudio.interval) {
+   clearInterval(GodotAudio.interval);
+   GodotAudio.interval = 0;
+  }
+  if (GodotAudio.input) {
+   GodotAudio.input.disconnect();
+   GodotAudio.input = null;
+  }
+  let closed = Promise.resolve();
+  if (GodotAudio.driver) {
+   closed = GodotAudio.driver.close();
+  }
+  closed.then(function() {
+   return ctx.close();
+  }).then(function() {
+   ctx.onstatechange = null;
+   resolve();
+  }).catch(function(e) {
+   ctx.onstatechange = null;
+   GodotRuntime.error("Error closing AudioContext", e);
+   resolve();
+  });
+ }
+};
+
+function _godot_audio_has_worklet() {
+ return GodotAudio.ctx && GodotAudio.ctx.audioWorklet ? 1 : 0;
+}
+
+function _godot_audio_init(p_mix_rate, p_latency, p_state_change, p_latency_update) {
+ const statechange = GodotRuntime.get_func(p_state_change);
+ const latencyupdate = GodotRuntime.get_func(p_latency_update);
+ const mix_rate = GodotRuntime.getHeapValue(p_mix_rate, "i32");
+ const channels = GodotAudio.init(mix_rate, p_latency, statechange, latencyupdate);
+ GodotRuntime.setHeapValue(p_mix_rate, GodotAudio.ctx.sampleRate, "i32");
+ return channels;
+}
+
+function _godot_audio_input_start() {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(49, 1);
+ return GodotAudio.create_input(function(input) {
+  input.connect(GodotAudio.driver.get_node());
+ });
+}
+
+function _godot_audio_input_stop() {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(50, 1);
+ if (GodotAudio.input) {
+  const tracks = GodotAudio.input["mediaStream"]["getTracks"]();
+  for (let i = 0; i < tracks.length; i++) {
+   tracks[i]["stop"]();
+  }
+  GodotAudio.input.disconnect();
+  GodotAudio.input = null;
+ }
+}
+
+function _godot_audio_is_available() {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(51, 1);
+ if (!(window.AudioContext || window.webkitAudioContext)) {
+  return 0;
+ }
+ return 1;
+}
+
+function _godot_audio_resume() {
+ if (GodotAudio.ctx && GodotAudio.ctx.state !== "running") {
+  GodotAudio.ctx.resume();
+ }
+}
+
+var GodotAudioWorklet = {
+ promise: null,
+ worklet: null,
+ ring_buffer: null,
+ create: function(channels) {
+  const path = GodotConfig.locate_file("godot.audio.worklet.js");
+  GodotAudioWorklet.promise = GodotAudio.ctx.audioWorklet.addModule(path).then(function() {
+   GodotAudioWorklet.worklet = new AudioWorkletNode(GodotAudio.ctx, "godot-processor", {
+    "outputChannelCount": [ channels ]
+   });
+   return Promise.resolve();
+  });
+  GodotAudio.driver = GodotAudioWorklet;
+ },
+ start: function(in_buf, out_buf, state) {
+  GodotAudioWorklet.promise.then(function() {
+   const node = GodotAudioWorklet.worklet;
+   node.connect(GodotAudio.ctx.destination);
+   node.port.postMessage({
+    "cmd": "start",
+    "data": [ state, in_buf, out_buf ]
+   });
+   node.port.onmessage = function(event) {
+    GodotRuntime.error(event.data);
+   };
+  });
+ },
+ start_no_threads: function(p_out_buf, p_out_size, out_callback, p_in_buf, p_in_size, in_callback) {
+  function RingBuffer() {
+   let wpos = 0;
+   let rpos = 0;
+   let pending_samples = 0;
+   const wbuf = new Float32Array(p_out_size);
+   function send(port) {
+    if (pending_samples === 0) {
+     return;
+    }
+    const buffer = GodotRuntime.heapSub(GROWABLE_HEAP_F32(), p_out_buf, p_out_size);
+    const size = buffer.length;
+    const tot_sent = pending_samples;
+    out_callback(wpos, pending_samples);
+    if (wpos + pending_samples >= size) {
+     const high = size - wpos;
+     wbuf.set(buffer.subarray(wpos, size));
+     pending_samples -= high;
+     wpos = 0;
+    }
+    if (pending_samples > 0) {
+     wbuf.set(buffer.subarray(wpos, wpos + pending_samples), tot_sent - pending_samples);
+    }
+    port.postMessage({
+     "cmd": "chunk",
+     "data": wbuf.subarray(0, tot_sent)
+    });
+    wpos += pending_samples;
+    pending_samples = 0;
+   }
+   this.receive = function(recv_buf) {
+    const buffer = GodotRuntime.heapSub(GROWABLE_HEAP_F32(), p_in_buf, p_in_size);
+    const from = rpos;
+    let to_write = recv_buf.length;
+    let high = 0;
+    if (rpos + to_write >= p_in_size) {
+     high = p_in_size - rpos;
+     buffer.set(recv_buf.subarray(0, high), rpos);
+     to_write -= high;
+     rpos = 0;
+    }
+    if (to_write) {
+     buffer.set(recv_buf.subarray(high, to_write), rpos);
+    }
+    in_callback(from, recv_buf.length);
+    rpos += to_write;
+   };
+   this.consumed = function(size, port) {
+    pending_samples += size;
+    send(port);
+   };
+  }
+  GodotAudioWorklet.ring_buffer = new RingBuffer();
+  GodotAudioWorklet.promise.then(function() {
+   const node = GodotAudioWorklet.worklet;
+   const buffer = GodotRuntime.heapSlice(GROWABLE_HEAP_F32(), p_out_buf, p_out_size);
+   node.connect(GodotAudio.ctx.destination);
+   node.port.postMessage({
+    "cmd": "start_nothreads",
+    "data": [ buffer, p_in_size ]
+   });
+   node.port.onmessage = function(event) {
+    if (!GodotAudioWorklet.worklet) {
+     return;
+    }
+    if (event.data["cmd"] === "read") {
+     const read = event.data["data"];
+     GodotAudioWorklet.ring_buffer.consumed(read, GodotAudioWorklet.worklet.port);
+    } else if (event.data["cmd"] === "input") {
+     const buf = event.data["data"];
+     if (buf.length > p_in_size) {
+      GodotRuntime.error("Input chunk is too big");
+      return;
+     }
+     GodotAudioWorklet.ring_buffer.receive(buf);
+    } else {
+     GodotRuntime.error(event.data);
+    }
+   };
+  });
+ },
+ get_node: function() {
+  return GodotAudioWorklet.worklet;
+ },
+ close: function() {
+  return new Promise(function(resolve, reject) {
+   if (GodotAudioWorklet.promise === null) {
+    return;
+   }
+   const p = GodotAudioWorklet.promise;
+   p.then(function() {
+    GodotAudioWorklet.worklet.port.postMessage({
+     "cmd": "stop",
+     "data": null
+    });
+    GodotAudioWorklet.worklet.disconnect();
+    GodotAudioWorklet.worklet.port.onmessage = null;
+    GodotAudioWorklet.worklet = null;
+    GodotAudioWorklet.promise = null;
+    resolve();
+   }).catch(function(err) {
+    GodotRuntime.error(err);
+   });
+  });
+ }
+};
+
+function _godot_audio_worklet_create(channels) {
+ try {
+  GodotAudioWorklet.create(channels);
+ } catch (e) {
+  GodotRuntime.error("Error starting AudioDriverWorklet", e);
+  return 1;
+ }
+ return 0;
+}
+
+function _godot_audio_worklet_start(p_in_buf, p_in_size, p_out_buf, p_out_size, p_state) {
+ const out_buffer = GodotRuntime.heapSub(GROWABLE_HEAP_F32(), p_out_buf, p_out_size);
+ const in_buffer = GodotRuntime.heapSub(GROWABLE_HEAP_F32(), p_in_buf, p_in_size);
+ const state = GodotRuntime.heapSub(GROWABLE_HEAP_I32(), p_state, 4);
+ GodotAudioWorklet.start(in_buffer, out_buffer, state);
+}
+
+function _godot_audio_worklet_state_add(p_state, p_idx, p_value) {
+ return Atomics.add(GROWABLE_HEAP_I32(), (p_state >> 2) + p_idx, p_value);
+}
+
+function _godot_audio_worklet_state_get(p_state, p_idx) {
+ return Atomics.load(GROWABLE_HEAP_I32(), (p_state >> 2) + p_idx);
+}
+
+function _godot_audio_worklet_state_wait(p_state, p_idx, p_expected, p_timeout) {
+ Atomics.wait(GROWABLE_HEAP_I32(), (p_state >> 2) + p_idx, p_expected, p_timeout);
+ return Atomics.load(GROWABLE_HEAP_I32(), (p_state >> 2) + p_idx);
+}
+
+function _godot_js_config_canvas_id_get(p_ptr, p_ptr_max) {
+ GodotRuntime.stringToHeap(`#${GodotConfig.canvas.id}`, p_ptr, p_ptr_max);
+}
+
+function _godot_js_config_locale_get(p_ptr, p_ptr_max) {
+ GodotRuntime.stringToHeap(GodotConfig.locale, p_ptr, p_ptr_max);
+}
+
+var GodotDisplayCursor = {
+ shape: "default",
+ visible: true,
+ cursors: {},
+ set_style: function(style) {
+  GodotConfig.canvas.style.cursor = style;
+ },
+ set_shape: function(shape) {
+  GodotDisplayCursor.shape = shape;
+  let css = shape;
+  if (shape in GodotDisplayCursor.cursors) {
+   const c = GodotDisplayCursor.cursors[shape];
+   css = `url("${c.url}") ${c.x} ${c.y}, default`;
+  }
+  if (GodotDisplayCursor.visible) {
+   GodotDisplayCursor.set_style(css);
+  }
+ },
+ clear: function() {
+  GodotDisplayCursor.set_style("");
+  GodotDisplayCursor.shape = "default";
+  GodotDisplayCursor.visible = true;
+  Object.keys(GodotDisplayCursor.cursors).forEach(function(key) {
+   URL.revokeObjectURL(GodotDisplayCursor.cursors[key]);
+   delete GodotDisplayCursor.cursors[key];
+  });
+ },
+ lockPointer: function() {
+  const canvas = GodotConfig.canvas;
+  if (canvas.requestPointerLock) {
+   canvas.requestPointerLock();
+  }
+ },
+ releasePointer: function() {
+  if (document.exitPointerLock) {
+   document.exitPointerLock();
+  }
+ },
+ isPointerLocked: function() {
+  return document.pointerLockElement === GodotConfig.canvas;
+ }
+};
+
+var GodotEventListeners = {
+ handlers: [],
+ has: function(target, event, method, capture) {
+  return GodotEventListeners.handlers.findIndex(function(e) {
+   return e.target === target && e.event === event && e.method === method && e.capture === capture;
+  }) !== -1;
+ },
+ add: function(target, event, method, capture) {
+  if (GodotEventListeners.has(target, event, method, capture)) {
+   return;
+  }
+  function Handler(p_target, p_event, p_method, p_capture) {
+   this.target = p_target;
+   this.event = p_event;
+   this.method = p_method;
+   this.capture = p_capture;
+  }
+  GodotEventListeners.handlers.push(new Handler(target, event, method, capture));
+  target.addEventListener(event, method, capture);
+ },
+ clear: function() {
+  GodotEventListeners.handlers.forEach(function(h) {
+   h.target.removeEventListener(h.event, h.method, h.capture);
+  });
+  GodotEventListeners.handlers.length = 0;
+ }
+};
+
+var GodotDisplayScreen = {
+ desired_size: [ 0, 0 ],
+ hidpi: true,
+ getPixelRatio: function() {
+  return GodotDisplayScreen.hidpi ? window.devicePixelRatio || 1 : 1;
+ },
+ isFullscreen: function() {
+  const elem = document.fullscreenElement || document.mozFullscreenElement || document.webkitFullscreenElement || document.msFullscreenElement;
+  if (elem) {
+   return elem === GodotConfig.canvas;
+  }
+  return document.fullscreen || document.mozFullScreen || document.webkitIsFullscreen;
+ },
+ hasFullscreen: function() {
+  return document.fullscreenEnabled || document.mozFullScreenEnabled || document.webkitFullscreenEnabled;
+ },
+ requestFullscreen: function() {
+  if (!GodotDisplayScreen.hasFullscreen()) {
+   return 1;
+  }
+  const canvas = GodotConfig.canvas;
+  try {
+   const promise = (canvas.requestFullscreen || canvas.msRequestFullscreen || canvas.mozRequestFullScreen || canvas.mozRequestFullscreen || canvas.webkitRequestFullscreen).call(canvas);
+   if (promise) {
+    promise.catch(function() {});
+   }
+  } catch (e) {
+   return 1;
+  }
+  return 0;
+ },
+ exitFullscreen: function() {
+  if (!GodotDisplayScreen.isFullscreen()) {
+   return 0;
+  }
+  try {
+   const promise = document.exitFullscreen();
+   if (promise) {
+    promise.catch(function() {});
+   }
+  } catch (e) {
+   return 1;
+  }
+  return 0;
+ },
+ _updateGL: function() {
+  const gl_context_handle = _emscripten_webgl_get_current_context();
+  const gl = GL.getContext(gl_context_handle);
+  if (gl) {
+   GL.resizeOffscreenFramebuffer(gl);
+  }
+ },
+ updateSize: function() {
+  const isFullscreen = GodotDisplayScreen.isFullscreen();
+  const wantsFullWindow = GodotConfig.canvas_resize_policy === 2;
+  const noResize = GodotConfig.canvas_resize_policy === 0;
+  const wwidth = GodotDisplayScreen.desired_size[0];
+  const wheight = GodotDisplayScreen.desired_size[1];
+  const canvas = GodotConfig.canvas;
+  let width = wwidth;
+  let height = wheight;
+  if (noResize) {
+   if (canvas.width !== width || canvas.height !== height) {
+    GodotDisplayScreen.desired_size = [ canvas.width, canvas.height ];
+    GodotDisplayScreen._updateGL();
+    return 1;
+   }
+   return 0;
+  }
+  const scale = GodotDisplayScreen.getPixelRatio();
+  if (isFullscreen || wantsFullWindow) {
+   width = window.innerWidth * scale;
+   height = window.innerHeight * scale;
+  }
+  const csw = `${width / scale}px`;
+  const csh = `${height / scale}px`;
+  if (canvas.style.width !== csw || canvas.style.height !== csh || canvas.width !== width || canvas.height !== height) {
+   canvas.width = width;
+   canvas.height = height;
+   canvas.style.width = csw;
+   canvas.style.height = csh;
+   GodotDisplayScreen._updateGL();
+   return 1;
+  }
+  return 0;
+ }
+};
+
+var GodotDisplayVK = {
+ textinput: null,
+ textarea: null,
+ available: function() {
+  return GodotConfig.virtual_keyboard && "ontouchstart" in window;
+ },
+ init: function(input_cb) {
+  function create(what) {
+   const elem = document.createElement(what);
+   elem.style.display = "none";
+   elem.style.position = "absolute";
+   elem.style.zIndex = "-1";
+   elem.style.background = "transparent";
+   elem.style.padding = "0px";
+   elem.style.margin = "0px";
+   elem.style.overflow = "hidden";
+   elem.style.width = "0px";
+   elem.style.height = "0px";
+   elem.style.border = "0px";
+   elem.style.outline = "none";
+   elem.readonly = true;
+   elem.disabled = true;
+   GodotEventListeners.add(elem, "input", function(evt) {
+    const c_str = GodotRuntime.allocString(elem.value);
+    input_cb(c_str, elem.selectionEnd);
+    GodotRuntime.free(c_str);
+   }, false);
+   GodotEventListeners.add(elem, "blur", function(evt) {
+    elem.style.display = "none";
+    elem.readonly = true;
+    elem.disabled = true;
+   }, false);
+   GodotConfig.canvas.insertAdjacentElement("beforebegin", elem);
+   return elem;
+  }
+  GodotDisplayVK.textinput = create("input");
+  GodotDisplayVK.textarea = create("textarea");
+  GodotDisplayVK.updateSize();
+ },
+ show: function(text, type, start, end) {
+  if (!GodotDisplayVK.textinput || !GodotDisplayVK.textarea) {
+   return;
+  }
+  if (GodotDisplayVK.textinput.style.display !== "" || GodotDisplayVK.textarea.style.display !== "") {
+   GodotDisplayVK.hide();
+  }
+  GodotDisplayVK.updateSize();
+  let elem = GodotDisplayVK.textinput;
+  switch (type) {
+  case 0:
+   elem.type = "text";
+   elem.inputmode = "";
+   break;
+
+  case 1:
+   elem = GodotDisplayVK.textarea;
+   break;
+
+  case 2:
+   elem.type = "text";
+   elem.inputmode = "numeric";
+   break;
+
+  case 3:
+   elem.type = "text";
+   elem.inputmode = "decimal";
+   break;
+
+  case 4:
+   elem.type = "tel";
+   elem.inputmode = "";
+   break;
+
+  case 5:
+   elem.type = "email";
+   elem.inputmode = "";
+   break;
+
+  case 6:
+   elem.type = "password";
+   elem.inputmode = "";
+   break;
+
+  case 7:
+   elem.type = "url";
+   elem.inputmode = "";
+   break;
+
+  default:
+   elem.type = "text";
+   elem.inputmode = "";
+   break;
+  }
+  elem.readonly = false;
+  elem.disabled = false;
+  elem.value = text;
+  elem.style.display = "block";
+  elem.focus();
+  elem.setSelectionRange(start, end);
+ },
+ hide: function() {
+  if (!GodotDisplayVK.textinput || !GodotDisplayVK.textarea) {
+   return;
+  }
+  [ GodotDisplayVK.textinput, GodotDisplayVK.textarea ].forEach(function(elem) {
+   elem.blur();
+   elem.style.display = "none";
+   elem.value = "";
+  });
+ },
+ updateSize: function() {
+  if (!GodotDisplayVK.textinput || !GodotDisplayVK.textarea) {
+   return;
+  }
+  const rect = GodotConfig.canvas.getBoundingClientRect();
+  function update(elem) {
+   elem.style.left = `${rect.left}px`;
+   elem.style.top = `${rect.top}px`;
+   elem.style.width = `${rect.width}px`;
+   elem.style.height = `${rect.height}px`;
+  }
+  update(GodotDisplayVK.textinput);
+  update(GodotDisplayVK.textarea);
+ },
+ clear: function() {
+  if (GodotDisplayVK.textinput) {
+   GodotDisplayVK.textinput.remove();
+   GodotDisplayVK.textinput = null;
+  }
+  if (GodotDisplayVK.textarea) {
+   GodotDisplayVK.textarea.remove();
+   GodotDisplayVK.textarea = null;
+  }
+ }
+};
+
+var GodotDisplay = {
+ window_icon: "",
+ getDPI: function() {
+  const dpi = Math.round(window.devicePixelRatio * 96);
+  return dpi >= 96 ? dpi : 96;
+ }
+};
+
+function _godot_js_display_alert(p_text) {
+ window.alert(GodotRuntime.parseString(p_text));
+}
+
+function _godot_js_display_canvas_focus() {
+ GodotConfig.canvas.focus();
+}
+
+function _godot_js_display_canvas_is_focused() {
+ return document.activeElement === GodotConfig.canvas;
+}
+
+function _godot_js_display_clipboard_get(callback) {
+ const func = GodotRuntime.get_func(callback);
+ try {
+  navigator.clipboard.readText().then(function(result) {
+   const ptr = GodotRuntime.allocString(result);
+   func(ptr);
+   GodotRuntime.free(ptr);
+  }).catch(function(e) {});
+ } catch (e) {}
+}
+
+function _godot_js_display_clipboard_set(p_text) {
+ const text = GodotRuntime.parseString(p_text);
+ if (!navigator.clipboard || !navigator.clipboard.writeText) {
+  return 1;
+ }
+ navigator.clipboard.writeText(text).catch(function(e) {
+  GodotRuntime.error("Setting OS clipboard is only possible from an input callback for the Web platform. Exception:", e);
+ });
+ return 0;
+}
+
+function _godot_js_display_cursor_is_hidden() {
+ return !GodotDisplayCursor.visible;
+}
+
+function _godot_js_display_cursor_is_locked() {
+ return GodotDisplayCursor.isPointerLocked() ? 1 : 0;
+}
+
+function _godot_js_display_cursor_lock_set(p_lock) {
+ if (p_lock) {
+  GodotDisplayCursor.lockPointer();
+ } else {
+  GodotDisplayCursor.releasePointer();
+ }
+}
+
+function _godot_js_display_cursor_set_custom_shape(p_shape, p_ptr, p_len, p_hotspot_x, p_hotspot_y) {
+ const shape = GodotRuntime.parseString(p_shape);
+ const old_shape = GodotDisplayCursor.cursors[shape];
+ if (p_len > 0) {
+  const png = new Blob([ GodotRuntime.heapSlice(GROWABLE_HEAP_U8(), p_ptr, p_len) ], {
+   type: "image/png"
+  });
+  const url = URL.createObjectURL(png);
+  GodotDisplayCursor.cursors[shape] = {
+   url: url,
+   x: p_hotspot_x,
+   y: p_hotspot_y
+  };
+ } else {
+  delete GodotDisplayCursor.cursors[shape];
+ }
+ if (shape === GodotDisplayCursor.shape) {
+  GodotDisplayCursor.set_shape(GodotDisplayCursor.shape);
+ }
+ if (old_shape) {
+  URL.revokeObjectURL(old_shape.url);
+ }
+}
+
+function _godot_js_display_cursor_set_shape(p_string) {
+ GodotDisplayCursor.set_shape(GodotRuntime.parseString(p_string));
+}
+
+function _godot_js_display_cursor_set_visible(p_visible) {
+ const visible = p_visible !== 0;
+ if (visible === GodotDisplayCursor.visible) {
+  return;
+ }
+ GodotDisplayCursor.visible = visible;
+ if (visible) {
+  GodotDisplayCursor.set_shape(GodotDisplayCursor.shape);
+ } else {
+  GodotDisplayCursor.set_style("none");
+ }
+}
+
+function _godot_js_display_desired_size_set(width, height) {
+ GodotDisplayScreen.desired_size = [ width, height ];
+ GodotDisplayScreen.updateSize();
+}
+
+function _godot_js_display_fullscreen_cb(callback) {
+ const canvas = GodotConfig.canvas;
+ const func = GodotRuntime.get_func(callback);
+ function change_cb(evt) {
+  if (evt.target === canvas) {
+   func(GodotDisplayScreen.isFullscreen());
+  }
+ }
+ GodotEventListeners.add(document, "fullscreenchange", change_cb, false);
+ GodotEventListeners.add(document, "mozfullscreenchange", change_cb, false);
+ GodotEventListeners.add(document, "webkitfullscreenchange", change_cb, false);
+}
+
+function _godot_js_display_fullscreen_exit() {
+ return GodotDisplayScreen.exitFullscreen();
+}
+
+function _godot_js_display_fullscreen_request() {
+ return GodotDisplayScreen.requestFullscreen();
+}
+
+function _godot_js_display_has_webgl(p_version) {
+ if (p_version !== 1 && p_version !== 2) {
+  return false;
+ }
+ try {
+  return !!document.createElement("canvas").getContext(p_version === 2 ? "webgl2" : "webgl");
+ } catch (e) {}
+ return false;
+}
+
+function _godot_js_display_is_swap_ok_cancel() {
+ const win = [ "Windows", "Win64", "Win32", "WinCE" ];
+ const plat = navigator.platform || "";
+ if (win.indexOf(plat) !== -1) {
+  return 1;
+ }
+ return 0;
+}
+
+function _godot_js_display_notification_cb(callback, p_enter, p_exit, p_in, p_out) {
+ const canvas = GodotConfig.canvas;
+ const func = GodotRuntime.get_func(callback);
+ const notif = [ p_enter, p_exit, p_in, p_out ];
+ [ "mouseover", "mouseleave", "focus", "blur" ].forEach(function(evt_name, idx) {
+  GodotEventListeners.add(canvas, evt_name, function() {
+   func(notif[idx]);
+  }, true);
+ });
+}
+
+function _godot_js_display_pixel_ratio_get() {
+ return GodotDisplayScreen.getPixelRatio();
+}
+
+function _godot_js_display_screen_dpi_get() {
+ return GodotDisplay.getDPI();
+}
+
+function _godot_js_display_screen_size_get(width, height) {
+ const scale = GodotDisplayScreen.getPixelRatio();
+ GodotRuntime.setHeapValue(width, window.screen.width * scale, "i32");
+ GodotRuntime.setHeapValue(height, window.screen.height * scale, "i32");
+}
+
+function _godot_js_display_setup_canvas(p_width, p_height, p_fullscreen, p_hidpi) {
+ const canvas = GodotConfig.canvas;
+ GodotEventListeners.add(canvas, "contextmenu", function(ev) {
+  ev.preventDefault();
+ }, false);
+ GodotEventListeners.add(canvas, "webglcontextlost", function(ev) {
+  alert("WebGL context lost, please reload the page");
+  ev.preventDefault();
+ }, false);
+ GodotDisplayScreen.hidpi = !!p_hidpi;
+ switch (GodotConfig.canvas_resize_policy) {
+ case 0:
+  GodotDisplayScreen.desired_size = [ canvas.width, canvas.height ];
+  break;
+
+ case 1:
+  GodotDisplayScreen.desired_size = [ p_width, p_height ];
+  break;
+
+ default:
+  canvas.style.position = "absolute";
+  canvas.style.top = 0;
+  canvas.style.left = 0;
+  break;
+ }
+ GodotDisplayScreen.updateSize();
+ if (p_fullscreen) {
+  GodotDisplayScreen.requestFullscreen();
+ }
+}
+
+function _godot_js_display_size_update() {
+ const updated = GodotDisplayScreen.updateSize();
+ if (updated) {
+  GodotDisplayVK.updateSize();
+ }
+ return updated;
+}
+
+function _godot_js_display_touchscreen_is_available() {
+ return "ontouchstart" in window;
+}
+
+function _godot_js_display_tts_available() {
+ return "speechSynthesis" in window;
+}
+
+function _godot_js_display_vk_available() {
+ return GodotDisplayVK.available();
+}
+
+function _godot_js_display_vk_cb(p_input_cb) {
+ const input_cb = GodotRuntime.get_func(p_input_cb);
+ if (GodotDisplayVK.available()) {
+  GodotDisplayVK.init(input_cb);
+ }
+}
+
+function _godot_js_display_vk_hide() {
+ GodotDisplayVK.hide();
+}
+
+function _godot_js_display_vk_show(p_text, p_type, p_start, p_end) {
+ const text = GodotRuntime.parseString(p_text);
+ const start = p_start > 0 ? p_start : 0;
+ const end = p_end > 0 ? p_end : start;
+ GodotDisplayVK.show(text, p_type, start, end);
+}
+
+function _godot_js_display_window_blur_cb(callback) {
+ const func = GodotRuntime.get_func(callback);
+ GodotEventListeners.add(window, "blur", function() {
+  func();
+ }, false);
+}
+
+function _godot_js_display_window_icon_set(p_ptr, p_len) {
+ let link = document.getElementById("-gd-engine-icon");
+ if (link === null) {
+  link = document.createElement("link");
+  link.rel = "icon";
+  link.id = "-gd-engine-icon";
+  document.head.appendChild(link);
+ }
+ const old_icon = GodotDisplay.window_icon;
+ const png = new Blob([ GodotRuntime.heapSlice(GROWABLE_HEAP_U8(), p_ptr, p_len) ], {
+  type: "image/png"
+ });
+ GodotDisplay.window_icon = URL.createObjectURL(png);
+ link.href = GodotDisplay.window_icon;
+ if (old_icon) {
+  URL.revokeObjectURL(old_icon);
+ }
+}
+
+function _godot_js_display_window_size_get(p_width, p_height) {
+ GodotRuntime.setHeapValue(p_width, GodotConfig.canvas.width, "i32");
+ GodotRuntime.setHeapValue(p_height, GodotConfig.canvas.height, "i32");
+}
+
+function _godot_js_display_window_title_set(p_data) {
+ document.title = GodotRuntime.parseString(p_data);
+}
+
+function _godot_js_eval(p_js, p_use_global_ctx, p_union_ptr, p_byte_arr, p_byte_arr_write, p_callback) {
+ const js_code = GodotRuntime.parseString(p_js);
+ let eval_ret = null;
+ try {
+  if (p_use_global_ctx) {
+   const global_eval = eval;
+   eval_ret = global_eval(js_code);
+  } else {
+   eval_ret = eval(js_code);
+  }
+ } catch (e) {
+  GodotRuntime.error(e);
+ }
+ switch (typeof eval_ret) {
+ case "boolean":
+  GodotRuntime.setHeapValue(p_union_ptr, eval_ret, "i32");
+  return 1;
+
+ case "number":
+  GodotRuntime.setHeapValue(p_union_ptr, eval_ret, "double");
+  return 3;
+
+ case "string":
+  GodotRuntime.setHeapValue(p_union_ptr, GodotRuntime.allocString(eval_ret), "*");
+  return 4;
+
+ case "object":
+  if (eval_ret === null) {
+   break;
+  }
+  if (ArrayBuffer.isView(eval_ret) && !(eval_ret instanceof Uint8Array)) {
+   eval_ret = new Uint8Array(eval_ret.buffer);
+  } else if (eval_ret instanceof ArrayBuffer) {
+   eval_ret = new Uint8Array(eval_ret);
+  }
+  if (eval_ret instanceof Uint8Array) {
+   const func = GodotRuntime.get_func(p_callback);
+   const bytes_ptr = func(p_byte_arr, p_byte_arr_write, eval_ret.length);
+   GROWABLE_HEAP_U8().set(eval_ret, bytes_ptr);
+   return 20;
+  }
+  break;
+ }
+ return 0;
+}
+
+var IDHandler = {
+ _last_id: 0,
+ _references: {},
+ get: function(p_id) {
+  return IDHandler._references[p_id];
+ },
+ add: function(p_data) {
+  const id = ++IDHandler._last_id;
+  IDHandler._references[id] = p_data;
+  return id;
+ },
+ remove: function(p_id) {
+  delete IDHandler._references[p_id];
+ }
+};
+
+var GodotFetch = {
+ onread: function(id, result) {
+  const obj = IDHandler.get(id);
+  if (!obj) {
+   return;
+  }
+  if (result.value) {
+   obj.chunks.push(result.value);
+  }
+  obj.reading = false;
+  obj.done = result.done;
+ },
+ onresponse: function(id, response) {
+  const obj = IDHandler.get(id);
+  if (!obj) {
+   return;
+  }
+  let chunked = false;
+  let bodySize = -1;
+  response.headers.forEach(function(value, header) {
+   const v = value.toLowerCase().trim();
+   const h = header.toLowerCase().trim();
+   if (h === "transfer-encoding" && v === "chunked") {
+    chunked = true;
+   }
+   if (h === "content-length") {
+    bodySize = parseInt(v, 10);
+   }
+  });
+  obj.status = response.status;
+  obj.response = response;
+  obj.reader = response.body.getReader();
+  obj.chunked = chunked;
+  obj.bodySize = bodySize;
+ },
+ onerror: function(id, err) {
+  GodotRuntime.error(err);
+  const obj = IDHandler.get(id);
+  if (!obj) {
+   return;
+  }
+  obj.error = err;
+ },
+ create: function(method, url, headers, body) {
+  const obj = {
+   request: null,
+   response: null,
+   reader: null,
+   error: null,
+   done: false,
+   reading: false,
+   status: 0,
+   chunks: [],
+   bodySize: -1
+  };
+  const id = IDHandler.add(obj);
+  const init = {
+   method: method,
+   headers: headers,
+   body: body
+  };
+  obj.request = fetch(url, init);
+  obj.request.then(GodotFetch.onresponse.bind(null, id)).catch(GodotFetch.onerror.bind(null, id));
+  return id;
+ },
+ free: function(id) {
+  const obj = IDHandler.get(id);
+  if (!obj) {
+   return;
+  }
+  IDHandler.remove(id);
+  if (!obj.request) {
+   return;
+  }
+  obj.request.then(function(response) {
+   response.abort();
+  }).catch(function(e) {});
+ },
+ read: function(id) {
+  const obj = IDHandler.get(id);
+  if (!obj) {
+   return;
+  }
+  if (obj.reader && !obj.reading) {
+   if (obj.done) {
+    obj.reader = null;
+    return;
+   }
+   obj.reading = true;
+   obj.reader.read().then(GodotFetch.onread.bind(null, id)).catch(GodotFetch.onerror.bind(null, id));
+  }
+ }
+};
+
+function _godot_js_fetch_body_length_get(p_id) {
+ const obj = IDHandler.get(p_id);
+ if (!obj || !obj.response) {
+  return -1;
+ }
+ return obj.bodySize;
+}
+
+function _godot_js_fetch_create(p_method, p_url, p_headers, p_headers_size, p_body, p_body_size) {
+ const method = GodotRuntime.parseString(p_method);
+ const url = GodotRuntime.parseString(p_url);
+ const headers = GodotRuntime.parseStringArray(p_headers, p_headers_size);
+ const body = p_body_size ? GodotRuntime.heapSlice(GROWABLE_HEAP_I8(), p_body, p_body_size) : null;
+ return GodotFetch.create(method, url, headers.map(function(hv) {
+  const idx = hv.indexOf(":");
+  if (idx <= 0) {
+   return [];
+  }
+  return [ hv.slice(0, idx).trim(), hv.slice(idx + 1).trim() ];
+ }).filter(function(v) {
+  return v.length === 2;
+ }), body);
+}
+
+function _godot_js_fetch_free(id) {
+ GodotFetch.free(id);
+}
+
+function _godot_js_fetch_http_status_get(p_id) {
+ const obj = IDHandler.get(p_id);
+ if (!obj || !obj.response) {
+  return 0;
+ }
+ return obj.status;
+}
+
+function _godot_js_fetch_is_chunked(p_id) {
+ const obj = IDHandler.get(p_id);
+ if (!obj || !obj.response) {
+  return -1;
+ }
+ return obj.chunked ? 1 : 0;
+}
+
+function _godot_js_fetch_read_chunk(p_id, p_buf, p_buf_size) {
+ const obj = IDHandler.get(p_id);
+ if (!obj || !obj.response) {
+  return 0;
+ }
+ let to_read = p_buf_size;
+ const chunks = obj.chunks;
+ while (to_read && chunks.length) {
+  const chunk = obj.chunks[0];
+  if (chunk.length > to_read) {
+   GodotRuntime.heapCopy(GROWABLE_HEAP_I8(), chunk.slice(0, to_read), p_buf);
+   chunks[0] = chunk.slice(to_read);
+   to_read = 0;
+  } else {
+   GodotRuntime.heapCopy(GROWABLE_HEAP_I8(), chunk, p_buf);
+   to_read -= chunk.length;
+   chunks.pop();
+  }
+ }
+ if (!chunks.length) {
+  GodotFetch.read(p_id);
+ }
+ return p_buf_size - to_read;
+}
+
+function _godot_js_fetch_read_headers(p_id, p_parse_cb, p_ref) {
+ const obj = IDHandler.get(p_id);
+ if (!obj || !obj.response) {
+  return 1;
+ }
+ const cb = GodotRuntime.get_func(p_parse_cb);
+ const arr = [];
+ obj.response.headers.forEach(function(v, h) {
+  arr.push(`${h}:${v}`);
+ });
+ const c_ptr = GodotRuntime.allocStringArray(arr);
+ cb(arr.length, c_ptr, p_ref);
+ GodotRuntime.freeStringArray(c_ptr, arr.length);
+ return 0;
+}
+
+function _godot_js_fetch_state_get(p_id) {
+ const obj = IDHandler.get(p_id);
+ if (!obj) {
+  return -1;
+ }
+ if (obj.error) {
+  return -1;
+ }
+ if (!obj.response) {
+  return 0;
+ }
+ if (obj.reader) {
+  return 1;
+ }
+ if (obj.done) {
+  return 2;
+ }
+ return -1;
+}
+
+var GodotInputGamepads = {
+ samples: [],
+ get_pads: function() {
+  try {
+   const pads = navigator.getGamepads();
+   if (pads) {
+    return pads;
+   }
+   return [];
+  } catch (e) {
+   return [];
+  }
+ },
+ get_samples: function() {
+  return GodotInputGamepads.samples;
+ },
+ get_sample: function(index) {
+  const samples = GodotInputGamepads.samples;
+  return index < samples.length ? samples[index] : null;
+ },
+ sample: function() {
+  const pads = GodotInputGamepads.get_pads();
+  const samples = [];
+  for (let i = 0; i < pads.length; i++) {
+   const pad = pads[i];
+   if (!pad) {
+    samples.push(null);
+    continue;
+   }
+   const s = {
+    standard: pad.mapping === "standard",
+    buttons: [],
+    axes: [],
+    connected: pad.connected
+   };
+   for (let b = 0; b < pad.buttons.length; b++) {
+    s.buttons.push(pad.buttons[b].value);
+   }
+   for (let a = 0; a < pad.axes.length; a++) {
+    s.axes.push(pad.axes[a]);
+   }
+   samples.push(s);
+  }
+  GodotInputGamepads.samples = samples;
+ },
+ init: function(onchange) {
+  GodotInputGamepads.samples = [];
+  function add(pad) {
+   const guid = GodotInputGamepads.get_guid(pad);
+   const c_id = GodotRuntime.allocString(pad.id);
+   const c_guid = GodotRuntime.allocString(guid);
+   onchange(pad.index, 1, c_id, c_guid);
+   GodotRuntime.free(c_id);
+   GodotRuntime.free(c_guid);
+  }
+  const pads = GodotInputGamepads.get_pads();
+  for (let i = 0; i < pads.length; i++) {
+   if (pads[i]) {
+    add(pads[i]);
+   }
+  }
+  GodotEventListeners.add(window, "gamepadconnected", function(evt) {
+   if (evt.gamepad) {
+    add(evt.gamepad);
+   }
+  }, false);
+  GodotEventListeners.add(window, "gamepaddisconnected", function(evt) {
+   if (evt.gamepad) {
+    onchange(evt.gamepad.index, 0);
+   }
+  }, false);
+ },
+ get_guid: function(pad) {
+  if (pad.mapping) {
+   return pad.mapping;
+  }
+  const ua = navigator.userAgent;
+  let os = "Unknown";
+  if (ua.indexOf("Android") >= 0) {
+   os = "Android";
+  } else if (ua.indexOf("Linux") >= 0) {
+   os = "Linux";
+  } else if (ua.indexOf("iPhone") >= 0) {
+   os = "iOS";
+  } else if (ua.indexOf("Macintosh") >= 0) {
+   os = "MacOSX";
+  } else if (ua.indexOf("Windows") >= 0) {
+   os = "Windows";
+  }
+  const id = pad.id;
+  const exp1 = /vendor: ([0-9a-f]{4}) product: ([0-9a-f]{4})/i;
+  const exp2 = /^([0-9a-f]+)-([0-9a-f]+)-/i;
+  let vendor = "";
+  let product = "";
+  if (exp1.test(id)) {
+   const match = exp1.exec(id);
+   vendor = match[1].padStart(4, "0");
+   product = match[2].padStart(4, "0");
+  } else if (exp2.test(id)) {
+   const match = exp2.exec(id);
+   vendor = match[1].padStart(4, "0");
+   product = match[2].padStart(4, "0");
+  }
+  if (!vendor || !product) {
+   return `${os}Unknown`;
+  }
+  return os + vendor + product;
+ }
+};
+
+var GodotInputDragDrop = {
+ promises: [],
+ pending_files: [],
+ add_entry: function(entry) {
+  if (entry.isDirectory) {
+   GodotInputDragDrop.add_dir(entry);
+  } else if (entry.isFile) {
+   GodotInputDragDrop.add_file(entry);
+  } else {
+   GodotRuntime.error("Unrecognized entry...", entry);
+  }
+ },
+ add_dir: function(entry) {
+  GodotInputDragDrop.promises.push(new Promise(function(resolve, reject) {
+   const reader = entry.createReader();
+   reader.readEntries(function(entries) {
+    for (let i = 0; i < entries.length; i++) {
+     GodotInputDragDrop.add_entry(entries[i]);
+    }
+    resolve();
+   });
+  }));
+ },
+ add_file: function(entry) {
+  GodotInputDragDrop.promises.push(new Promise(function(resolve, reject) {
+   entry.file(function(file) {
+    const reader = new FileReader();
+    reader.onload = function() {
+     const f = {
+      "path": file.relativePath || file.webkitRelativePath,
+      "name": file.name,
+      "type": file.type,
+      "size": file.size,
+      "data": reader.result
+     };
+     if (!f["path"]) {
+      f["path"] = f["name"];
+     }
+     GodotInputDragDrop.pending_files.push(f);
+     resolve();
+    };
+    reader.onerror = function() {
+     GodotRuntime.print("Error reading file");
+     reject();
+    };
+    reader.readAsArrayBuffer(file);
+   }, function(err) {
+    GodotRuntime.print("Error!");
+    reject();
+   });
+  }));
+ },
+ process: function(resolve, reject) {
+  if (GodotInputDragDrop.promises.length === 0) {
+   resolve();
+   return;
+  }
+  GodotInputDragDrop.promises.pop().then(function() {
+   setTimeout(function() {
+    GodotInputDragDrop.process(resolve, reject);
+   }, 0);
+  });
+ },
+ _process_event: function(ev, callback) {
+  ev.preventDefault();
+  if (ev.dataTransfer.items) {
+   for (let i = 0; i < ev.dataTransfer.items.length; i++) {
+    const item = ev.dataTransfer.items[i];
+    let entry = null;
+    if ("getAsEntry" in item) {
+     entry = item.getAsEntry();
+    } else if ("webkitGetAsEntry" in item) {
+     entry = item.webkitGetAsEntry();
+    }
+    if (entry) {
+     GodotInputDragDrop.add_entry(entry);
+    }
+   }
+  } else {
+   GodotRuntime.error("File upload not supported");
+  }
+  new Promise(GodotInputDragDrop.process).then(function() {
+   const DROP = `/tmp/drop-${parseInt(Math.random() * (1 << 30), 10)}/`;
+   const drops = [];
+   const files = [];
+   FS.mkdir(DROP.slice(0, -1));
+   GodotInputDragDrop.pending_files.forEach(elem => {
+    const path = elem["path"];
+    GodotFS.copy_to_fs(DROP + path, elem["data"]);
+    let idx = path.indexOf("/");
+    if (idx === -1) {
+     drops.push(DROP + path);
+    } else {
+     const sub = path.substr(0, idx);
+     idx = sub.indexOf("/");
+     if (idx < 0 && drops.indexOf(DROP + sub) === -1) {
+      drops.push(DROP + sub);
+     }
+    }
+    files.push(DROP + path);
+   });
+   GodotInputDragDrop.promises = [];
+   GodotInputDragDrop.pending_files = [];
+   callback(drops);
+   if (GodotConfig.persistent_drops) {
+    GodotOS.atexit(function(resolve, reject) {
+     GodotInputDragDrop.remove_drop(files, DROP);
+     resolve();
+    });
+   } else {
+    GodotInputDragDrop.remove_drop(files, DROP);
+   }
+  });
+ },
+ remove_drop: function(files, drop_path) {
+  const dirs = [ drop_path.substr(0, drop_path.length - 1) ];
+  files.forEach(function(file) {
+   FS.unlink(file);
+   let dir = file.replace(drop_path, "");
+   let idx = dir.lastIndexOf("/");
+   while (idx > 0) {
+    dir = dir.substr(0, idx);
+    if (dirs.indexOf(drop_path + dir) === -1) {
+     dirs.push(drop_path + dir);
+    }
+    idx = dir.lastIndexOf("/");
+   }
+  });
+  dirs.sort(function(a, b) {
+   const al = (a.match(/\//g) || []).length;
+   const bl = (b.match(/\//g) || []).length;
+   if (al > bl) {
+    return -1;
+   } else if (al < bl) {
+    return 1;
+   }
+   return 0;
+  }).forEach(function(dir) {
+   FS.rmdir(dir);
+  });
+ },
+ handler: function(callback) {
+  return function(ev) {
+   GodotInputDragDrop._process_event(ev, callback);
+  };
+ }
+};
+
+var GodotInput = {
+ getModifiers: function(evt) {
+  return evt.shiftKey + 0 + (evt.altKey + 0 << 1) + (evt.ctrlKey + 0 << 2) + (evt.metaKey + 0 << 3);
+ },
+ computePosition: function(evt, rect) {
+  const canvas = GodotConfig.canvas;
+  const rw = canvas.width / rect.width;
+  const rh = canvas.height / rect.height;
+  const x = (evt.clientX - rect.x) * rw;
+  const y = (evt.clientY - rect.y) * rh;
+  return [ x, y ];
+ }
+};
+
+function _godot_js_input_drop_files_cb(callback) {
+ const func = GodotRuntime.get_func(callback);
+ const dropFiles = function(files) {
+  const args = files || [];
+  if (!args.length) {
+   return;
+  }
+  const argc = args.length;
+  const argv = GodotRuntime.allocStringArray(args);
+  func(argv, argc);
+  GodotRuntime.freeStringArray(argv, argc);
+ };
+ const canvas = GodotConfig.canvas;
+ GodotEventListeners.add(canvas, "dragover", function(ev) {
+  ev.preventDefault();
+ }, false);
+ GodotEventListeners.add(canvas, "drop", GodotInputDragDrop.handler(dropFiles));
+}
+
+function _godot_js_input_gamepad_cb(change_cb) {
+ const onchange = GodotRuntime.get_func(change_cb);
+ GodotInputGamepads.init(onchange);
+}
+
+function _godot_js_input_gamepad_sample() {
+ GodotInputGamepads.sample();
+ return 0;
+}
+
+function _godot_js_input_gamepad_sample_count() {
+ return GodotInputGamepads.get_samples().length;
+}
+
+function _godot_js_input_gamepad_sample_get(p_index, r_btns, r_btns_num, r_axes, r_axes_num, r_standard) {
+ const sample = GodotInputGamepads.get_sample(p_index);
+ if (!sample || !sample.connected) {
+  return 1;
+ }
+ const btns = sample.buttons;
+ const btns_len = btns.length < 16 ? btns.length : 16;
+ for (let i = 0; i < btns_len; i++) {
+  GodotRuntime.setHeapValue(r_btns + (i << 2), btns[i], "float");
+ }
+ GodotRuntime.setHeapValue(r_btns_num, btns_len, "i32");
+ const axes = sample.axes;
+ const axes_len = axes.length < 10 ? axes.length : 10;
+ for (let i = 0; i < axes_len; i++) {
+  GodotRuntime.setHeapValue(r_axes + (i << 2), axes[i], "float");
+ }
+ GodotRuntime.setHeapValue(r_axes_num, axes_len, "i32");
+ const is_standard = sample.standard ? 1 : 0;
+ GodotRuntime.setHeapValue(r_standard, is_standard, "i32");
+ return 0;
+}
+
+function _godot_js_input_key_cb(callback, code, key) {
+ const func = GodotRuntime.get_func(callback);
+ function key_cb(pressed, evt) {
+  const modifiers = GodotInput.getModifiers(evt);
+  GodotRuntime.stringToHeap(evt.code, code, 32);
+  GodotRuntime.stringToHeap(evt.key, key, 32);
+  func(pressed, evt.repeat, modifiers);
+  evt.preventDefault();
+ }
+ GodotEventListeners.add(GodotConfig.canvas, "keydown", key_cb.bind(null, 1), false);
+ GodotEventListeners.add(GodotConfig.canvas, "keyup", key_cb.bind(null, 0), false);
+}
+
+function _godot_js_input_mouse_button_cb(callback) {
+ const func = GodotRuntime.get_func(callback);
+ const canvas = GodotConfig.canvas;
+ function button_cb(p_pressed, evt) {
+  const rect = canvas.getBoundingClientRect();
+  const pos = GodotInput.computePosition(evt, rect);
+  const modifiers = GodotInput.getModifiers(evt);
+  if (p_pressed) {
+   GodotConfig.canvas.focus();
+  }
+  if (func(p_pressed, evt.button, pos[0], pos[1], modifiers)) {
+   evt.preventDefault();
+  }
+ }
+ GodotEventListeners.add(canvas, "mousedown", button_cb.bind(null, 1), false);
+ GodotEventListeners.add(window, "mouseup", button_cb.bind(null, 0), false);
+}
+
+function _godot_js_input_mouse_move_cb(callback) {
+ const func = GodotRuntime.get_func(callback);
+ const canvas = GodotConfig.canvas;
+ function move_cb(evt) {
+  const rect = canvas.getBoundingClientRect();
+  const pos = GodotInput.computePosition(evt, rect);
+  const rw = canvas.width / rect.width;
+  const rh = canvas.height / rect.height;
+  const rel_pos_x = evt.movementX * rw;
+  const rel_pos_y = evt.movementY * rh;
+  const modifiers = GodotInput.getModifiers(evt);
+  func(pos[0], pos[1], rel_pos_x, rel_pos_y, modifiers);
+ }
+ GodotEventListeners.add(window, "mousemove", move_cb, false);
+}
+
+function _godot_js_input_mouse_wheel_cb(callback) {
+ const func = GodotRuntime.get_func(callback);
+ function wheel_cb(evt) {
+  if (func(evt["deltaX"] || 0, evt["deltaY"] || 0)) {
+   evt.preventDefault();
+  }
+ }
+ GodotEventListeners.add(GodotConfig.canvas, "wheel", wheel_cb, false);
+}
+
+function _godot_js_input_paste_cb(callback) {
+ const func = GodotRuntime.get_func(callback);
+ GodotEventListeners.add(window, "paste", function(evt) {
+  const text = evt.clipboardData.getData("text");
+  const ptr = GodotRuntime.allocString(text);
+  func(ptr);
+  GodotRuntime.free(ptr);
+ }, false);
+}
+
+function _godot_js_input_touch_cb(callback, ids, coords) {
+ const func = GodotRuntime.get_func(callback);
+ const canvas = GodotConfig.canvas;
+ function touch_cb(type, evt) {
+  if (type === 0) {
+   GodotConfig.canvas.focus();
+  }
+  const rect = canvas.getBoundingClientRect();
+  const touches = evt.changedTouches;
+  for (let i = 0; i < touches.length; i++) {
+   const touch = touches[i];
+   const pos = GodotInput.computePosition(touch, rect);
+   GodotRuntime.setHeapValue(coords + i * 2 * 8, pos[0], "double");
+   GodotRuntime.setHeapValue(coords + (i * 2 + 1) * 8, pos[1], "double");
+   GodotRuntime.setHeapValue(ids + i * 4, touch.identifier, "i32");
+  }
+  func(type, touches.length);
+  if (evt.cancelable) {
+   evt.preventDefault();
+  }
+ }
+ GodotEventListeners.add(canvas, "touchstart", touch_cb.bind(null, 0), false);
+ GodotEventListeners.add(canvas, "touchend", touch_cb.bind(null, 1), false);
+ GodotEventListeners.add(canvas, "touchcancel", touch_cb.bind(null, 1), false);
+ GodotEventListeners.add(canvas, "touchmove", touch_cb.bind(null, 2), false);
+}
+
+function _godot_js_input_vibrate_handheld(p_duration_ms) {
+ if (typeof navigator.vibrate !== "function") {
+  GodotRuntime.print("This browser does not support vibration.");
+ } else {
+  navigator.vibrate(p_duration_ms);
+ }
+}
+
+function _godot_js_os_download_buffer(p_ptr, p_size, p_name, p_mime) {
+ const buf = GodotRuntime.heapSlice(GROWABLE_HEAP_I8(), p_ptr, p_size);
+ const name = GodotRuntime.parseString(p_name);
+ const mime = GodotRuntime.parseString(p_mime);
+ const blob = new Blob([ buf ], {
+  type: mime
+ });
+ const url = window.URL.createObjectURL(blob);
+ const a = document.createElement("a");
+ a.href = url;
+ a.download = name;
+ a.style.display = "none";
+ document.body.appendChild(a);
+ a.click();
+ a.remove();
+ window.URL.revokeObjectURL(url);
+}
+
+function _godot_js_os_execute(p_json) {
+ const json_args = GodotRuntime.parseString(p_json);
+ const args = JSON.parse(json_args);
+ if (GodotConfig.on_execute) {
+  GodotConfig.on_execute(args);
+  return 0;
+ }
+ return 1;
+}
+
+function _godot_js_os_finish_async(p_callback) {
+ const func = GodotRuntime.get_func(p_callback);
+ GodotOS.finish_async(func);
+}
+
+function _godot_js_os_fs_is_persistent() {
+ return GodotFS.is_persistent();
+}
+
+function _godot_js_os_fs_sync(callback) {
+ const func = GodotRuntime.get_func(callback);
+ GodotOS._fs_sync_promise = GodotFS.sync();
+ GodotOS._fs_sync_promise.then(function(err) {
+  func();
+ });
+}
+
+function _godot_js_os_has_feature(p_ftr) {
+ const ftr = GodotRuntime.parseString(p_ftr);
+ const ua = navigator.userAgent;
+ if (ftr === "web_macos") {
+  return ua.indexOf("Mac") !== -1 ? 1 : 0;
+ }
+ if (ftr === "web_windows") {
+  return ua.indexOf("Windows") !== -1 ? 1 : 0;
+ }
+ if (ftr === "web_android") {
+  return ua.indexOf("Android") !== -1 ? 1 : 0;
+ }
+ if (ftr === "web_ios") {
+  return ua.indexOf("iPhone") !== -1 || ua.indexOf("iPad") !== -1 || ua.indexOf("iPod") !== -1 ? 1 : 0;
+ }
+ if (ftr === "web_linuxbsd") {
+  return ua.indexOf("CrOS") !== -1 || ua.indexOf("BSD") !== -1 || ua.indexOf("Linux") !== -1 || ua.indexOf("X11") !== -1 ? 1 : 0;
+ }
+ return 0;
+}
+
+function _godot_js_os_hw_concurrency_get() {
+ const concurrency = navigator.hardwareConcurrency || 1;
+ return concurrency < 2 ? concurrency : 2;
+}
+
+function _godot_js_os_request_quit_cb(p_callback) {
+ GodotOS.request_quit = GodotRuntime.get_func(p_callback);
+}
+
+function _godot_js_os_shell_open(p_uri) {
+ window.open(GodotRuntime.parseString(p_uri), "_blank");
+}
+
+var GodotPWA = {
+ hasUpdate: false,
+ updateState: function(cb, reg) {
+  if (!reg) {
+   return;
+  }
+  if (!reg.active) {
+   return;
+  }
+  if (reg.waiting) {
+   GodotPWA.hasUpdate = true;
+   cb();
+  }
+  GodotEventListeners.add(reg, "updatefound", function() {
+   const installing = reg.installing;
+   GodotEventListeners.add(installing, "statechange", function() {
+    if (installing.state === "installed") {
+     GodotPWA.hasUpdate = true;
+     cb();
+    }
+   });
+  });
+ }
+};
+
+function _godot_js_pwa_cb(p_update_cb) {
+ if ("serviceWorker" in navigator) {
+  const cb = GodotRuntime.get_func(p_update_cb);
+  navigator.serviceWorker.getRegistration().then(GodotPWA.updateState.bind(null, cb));
+ }
+}
+
+function _godot_js_pwa_update() {
+ if ("serviceWorker" in navigator && GodotPWA.hasUpdate) {
+  navigator.serviceWorker.getRegistration().then(function(reg) {
+   if (!reg || !reg.waiting) {
+    return;
+   }
+   reg.waiting.postMessage("update");
+  });
+  return 0;
+ }
+ return 1;
+}
+
+var GodotRTCDataChannel = {
+ connect: function(p_id, p_on_open, p_on_message, p_on_error, p_on_close) {
+  const ref = IDHandler.get(p_id);
+  if (!ref) {
+   return;
+  }
+  ref.binaryType = "arraybuffer";
+  ref.onopen = function(event) {
+   p_on_open();
+  };
+  ref.onclose = function(event) {
+   p_on_close();
+  };
+  ref.onerror = function(event) {
+   p_on_error();
+  };
+  ref.onmessage = function(event) {
+   let buffer;
+   let is_string = 0;
+   if (event.data instanceof ArrayBuffer) {
+    buffer = new Uint8Array(event.data);
+   } else if (event.data instanceof Blob) {
+    GodotRuntime.error("Blob type not supported");
+    return;
+   } else if (typeof event.data === "string") {
+    is_string = 1;
+    const enc = new TextEncoder("utf-8");
+    buffer = new Uint8Array(enc.encode(event.data));
+   } else {
+    GodotRuntime.error("Unknown message type");
+    return;
+   }
+   const len = buffer.length * buffer.BYTES_PER_ELEMENT;
+   const out = GodotRuntime.malloc(len);
+   GROWABLE_HEAP_U8().set(buffer, out);
+   p_on_message(out, len, is_string);
+   GodotRuntime.free(out);
+  };
+ },
+ close: function(p_id) {
+  const ref = IDHandler.get(p_id);
+  if (!ref) {
+   return;
+  }
+  ref.onopen = null;
+  ref.onmessage = null;
+  ref.onerror = null;
+  ref.onclose = null;
+  ref.close();
+ },
+ get_prop: function(p_id, p_prop, p_def) {
+  const ref = IDHandler.get(p_id);
+  return ref && ref[p_prop] !== undefined ? ref[p_prop] : p_def;
+ }
+};
+
+function _godot_js_rtc_datachannel_close(p_id) {
+ const ref = IDHandler.get(p_id);
+ if (!ref) {
+  return;
+ }
+ GodotRTCDataChannel.close(p_id);
+}
+
+function _godot_js_rtc_datachannel_connect(p_id, p_ref, p_on_open, p_on_message, p_on_error, p_on_close) {
+ const onopen = GodotRuntime.get_func(p_on_open).bind(null, p_ref);
+ const onmessage = GodotRuntime.get_func(p_on_message).bind(null, p_ref);
+ const onerror = GodotRuntime.get_func(p_on_error).bind(null, p_ref);
+ const onclose = GodotRuntime.get_func(p_on_close).bind(null, p_ref);
+ GodotRTCDataChannel.connect(p_id, onopen, onmessage, onerror, onclose);
+}
+
+function _godot_js_rtc_datachannel_destroy(p_id) {
+ GodotRTCDataChannel.close(p_id);
+ IDHandler.remove(p_id);
+}
+
+function _godot_js_rtc_datachannel_get_buffered_amount(p_id) {
+ return GodotRTCDataChannel.get_prop(p_id, "bufferedAmount", 0);
+}
+
+function _godot_js_rtc_datachannel_id_get(p_id) {
+ return GodotRTCDataChannel.get_prop(p_id, "id", 65535);
+}
+
+function _godot_js_rtc_datachannel_is_negotiated(p_id) {
+ return GodotRTCDataChannel.get_prop(p_id, "negotiated", 65535);
+}
+
+function _godot_js_rtc_datachannel_is_ordered(p_id) {
+ return GodotRTCDataChannel.get_prop(p_id, "ordered", true);
+}
+
+function _godot_js_rtc_datachannel_label_get(p_id) {
+ const ref = IDHandler.get(p_id);
+ if (!ref || !ref.label) {
+  return 0;
+ }
+ return GodotRuntime.allocString(ref.label);
+}
+
+function _godot_js_rtc_datachannel_max_packet_lifetime_get(p_id) {
+ const ref = IDHandler.get(p_id);
+ if (!ref) {
+  return 65535;
+ }
+ if (ref["maxPacketLifeTime"] !== undefined) {
+  return ref["maxPacketLifeTime"];
+ } else if (ref["maxRetransmitTime"] !== undefined) {
+  return ref["maxRetransmitTime"];
+ }
+ return 65535;
+}
+
+function _godot_js_rtc_datachannel_max_retransmits_get(p_id) {
+ return GodotRTCDataChannel.get_prop(p_id, "maxRetransmits", 65535);
+}
+
+function _godot_js_rtc_datachannel_protocol_get(p_id) {
+ const ref = IDHandler.get(p_id);
+ if (!ref || !ref.protocol) {
+  return 0;
+ }
+ return GodotRuntime.allocString(ref.protocol);
+}
+
+function _godot_js_rtc_datachannel_ready_state_get(p_id) {
+ const ref = IDHandler.get(p_id);
+ if (!ref) {
+  return 3;
+ }
+ switch (ref.readyState) {
+ case "connecting":
+  return 0;
+
+ case "open":
+  return 1;
+
+ case "closing":
+  return 2;
+
+ case "closed":
+ default:
+  return 3;
+ }
+}
+
+function _godot_js_rtc_datachannel_send(p_id, p_buffer, p_length, p_raw) {
+ const ref = IDHandler.get(p_id);
+ if (!ref) {
+  return 1;
+ }
+ const bytes_array = new Uint8Array(p_length);
+ for (let i = 0; i < p_length; i++) {
+  bytes_array[i] = GodotRuntime.getHeapValue(p_buffer + i, "i8");
+ }
+ if (p_raw) {
+  ref.send(bytes_array.buffer);
+ } else {
+  const string = new TextDecoder("utf-8").decode(bytes_array);
+  ref.send(string);
+ }
+ return 0;
+}
+
+var GodotRTCPeerConnection = {
+ ConnectionState: {
+  new: 0,
+  connecting: 1,
+  connected: 2,
+  disconnected: 3,
+  failed: 4,
+  closed: 5
+ },
+ ConnectionStateCompat: {
+  new: 0,
+  checking: 1,
+  connected: 2,
+  completed: 2,
+  disconnected: 3,
+  failed: 4,
+  closed: 5
+ },
+ IceGatheringState: {
+  new: 0,
+  gathering: 1,
+  complete: 2
+ },
+ SignalingState: {
+  stable: 0,
+  "have-local-offer": 1,
+  "have-remote-offer": 2,
+  "have-local-pranswer": 3,
+  "have-remote-pranswer": 4,
+  closed: 5
+ },
+ create: function(config, onConnectionChange, onSignalingChange, onIceGatheringChange, onIceCandidate, onDataChannel) {
+  let conn = null;
+  try {
+   conn = new RTCPeerConnection(config);
+  } catch (e) {
+   GodotRuntime.error(e);
+   return 0;
+  }
+  const id = IDHandler.add(conn);
+  if ("connectionState" in conn && conn["connectionState"] !== undefined) {
+   conn.onconnectionstatechange = function(event) {
+    if (!IDHandler.get(id)) {
+     return;
+    }
+    onConnectionChange(GodotRTCPeerConnection.ConnectionState[conn.connectionState] || 0);
+   };
+  } else {
+   conn.oniceconnectionstatechange = function(event) {
+    if (!IDHandler.get(id)) {
+     return;
+    }
+    onConnectionChange(GodotRTCPeerConnection.ConnectionStateCompat[conn.iceConnectionState] || 0);
+   };
+  }
+  conn.onicegatheringstatechange = function(event) {
+   if (!IDHandler.get(id)) {
+    return;
+   }
+   onIceGatheringChange(GodotRTCPeerConnection.IceGatheringState[conn.iceGatheringState] || 0);
+  };
+  conn.onsignalingstatechange = function(event) {
+   if (!IDHandler.get(id)) {
+    return;
+   }
+   onSignalingChange(GodotRTCPeerConnection.SignalingState[conn.signalingState] || 0);
+  };
+  conn.onicecandidate = function(event) {
+   if (!IDHandler.get(id)) {
+    return;
+   }
+   const c = event.candidate;
+   if (!c || !c.candidate) {
+    return;
+   }
+   const candidate_str = GodotRuntime.allocString(c.candidate);
+   const mid_str = GodotRuntime.allocString(c.sdpMid);
+   onIceCandidate(mid_str, c.sdpMLineIndex, candidate_str);
+   GodotRuntime.free(candidate_str);
+   GodotRuntime.free(mid_str);
+  };
+  conn.ondatachannel = function(event) {
+   if (!IDHandler.get(id)) {
+    return;
+   }
+   const cid = IDHandler.add(event.channel);
+   onDataChannel(cid);
+  };
+  return id;
+ },
+ destroy: function(p_id) {
+  const conn = IDHandler.get(p_id);
+  if (!conn) {
+   return;
+  }
+  conn.onconnectionstatechange = null;
+  conn.oniceconnectionstatechange = null;
+  conn.onicegatheringstatechange = null;
+  conn.onsignalingstatechange = null;
+  conn.onicecandidate = null;
+  conn.ondatachannel = null;
+  IDHandler.remove(p_id);
+ },
+ onsession: function(p_id, callback, session) {
+  if (!IDHandler.get(p_id)) {
+   return;
+  }
+  const type_str = GodotRuntime.allocString(session.type);
+  const sdp_str = GodotRuntime.allocString(session.sdp);
+  callback(type_str, sdp_str);
+  GodotRuntime.free(type_str);
+  GodotRuntime.free(sdp_str);
+ },
+ onerror: function(p_id, callback, error) {
+  const ref = IDHandler.get(p_id);
+  if (!ref) {
+   return;
+  }
+  GodotRuntime.error(error);
+  callback();
+ }
+};
+
+function _godot_js_rtc_pc_close(p_id) {
+ const ref = IDHandler.get(p_id);
+ if (!ref) {
+  return;
+ }
+ ref.close();
+}
+
+function _godot_js_rtc_pc_create(p_config, p_ref, p_on_connection_state_change, p_on_ice_gathering_state_change, p_on_signaling_state_change, p_on_ice_candidate, p_on_datachannel) {
+ const wrap = function(p_func) {
+  return GodotRuntime.get_func(p_func).bind(null, p_ref);
+ };
+ return GodotRTCPeerConnection.create(JSON.parse(GodotRuntime.parseString(p_config)), wrap(p_on_connection_state_change), wrap(p_on_signaling_state_change), wrap(p_on_ice_gathering_state_change), wrap(p_on_ice_candidate), wrap(p_on_datachannel));
+}
+
+function _godot_js_rtc_pc_datachannel_create(p_id, p_label, p_config) {
+ try {
+  const ref = IDHandler.get(p_id);
+  if (!ref) {
+   return 0;
+  }
+  const label = GodotRuntime.parseString(p_label);
+  const config = JSON.parse(GodotRuntime.parseString(p_config));
+  const channel = ref.createDataChannel(label, config);
+  return IDHandler.add(channel);
+ } catch (e) {
+  GodotRuntime.error(e);
+  return 0;
+ }
+}
+
+function _godot_js_rtc_pc_destroy(p_id) {
+ GodotRTCPeerConnection.destroy(p_id);
+}
+
+function _godot_js_rtc_pc_ice_candidate_add(p_id, p_mid_name, p_mline_idx, p_sdp) {
+ const ref = IDHandler.get(p_id);
+ if (!ref) {
+  return;
+ }
+ const sdpMidName = GodotRuntime.parseString(p_mid_name);
+ const sdpName = GodotRuntime.parseString(p_sdp);
+ ref.addIceCandidate(new RTCIceCandidate({
+  "candidate": sdpName,
+  "sdpMid": sdpMidName,
+  "sdpMlineIndex": p_mline_idx
+ }));
+}
+
+function _godot_js_rtc_pc_local_description_set(p_id, p_type, p_sdp, p_obj, p_on_error) {
+ const ref = IDHandler.get(p_id);
+ if (!ref) {
+  return;
+ }
+ const type = GodotRuntime.parseString(p_type);
+ const sdp = GodotRuntime.parseString(p_sdp);
+ const onerror = GodotRuntime.get_func(p_on_error).bind(null, p_obj);
+ ref.setLocalDescription({
+  "sdp": sdp,
+  "type": type
+ }).catch(function(error) {
+  GodotRTCPeerConnection.onerror(p_id, onerror, error);
+ });
+}
+
+function _godot_js_rtc_pc_offer_create(p_id, p_obj, p_on_session, p_on_error) {
+ const ref = IDHandler.get(p_id);
+ if (!ref) {
+  return;
+ }
+ const onsession = GodotRuntime.get_func(p_on_session).bind(null, p_obj);
+ const onerror = GodotRuntime.get_func(p_on_error).bind(null, p_obj);
+ ref.createOffer().then(function(session) {
+  GodotRTCPeerConnection.onsession(p_id, onsession, session);
+ }).catch(function(error) {
+  GodotRTCPeerConnection.onerror(p_id, onerror, error);
+ });
+}
+
+function _godot_js_rtc_pc_remote_description_set(p_id, p_type, p_sdp, p_obj, p_session_created, p_on_error) {
+ const ref = IDHandler.get(p_id);
+ if (!ref) {
+  return;
+ }
+ const type = GodotRuntime.parseString(p_type);
+ const sdp = GodotRuntime.parseString(p_sdp);
+ const onerror = GodotRuntime.get_func(p_on_error).bind(null, p_obj);
+ const onsession = GodotRuntime.get_func(p_session_created).bind(null, p_obj);
+ ref.setRemoteDescription({
+  "sdp": sdp,
+  "type": type
+ }).then(function() {
+  if (type !== "offer") {
+   return Promise.resolve();
+  }
+  return ref.createAnswer().then(function(session) {
+   GodotRTCPeerConnection.onsession(p_id, onsession, session);
+  });
+ }).catch(function(error) {
+  GodotRTCPeerConnection.onerror(p_id, onerror, error);
+ });
+}
+
+function _godot_js_tts_get_voices(p_callback) {
+ const func = GodotRuntime.get_func(p_callback);
+ try {
+  const arr = [];
+  const voices = window.speechSynthesis.getVoices();
+  for (let i = 0; i < voices.length; i++) {
+   arr.push(`${voices[i].lang};${voices[i].name}`);
+  }
+  const c_ptr = GodotRuntime.allocStringArray(arr);
+  func(arr.length, c_ptr);
+  GodotRuntime.freeStringArray(c_ptr, arr.length);
+ } catch (e) {}
+}
+
+function _godot_js_tts_is_paused() {
+ return window.speechSynthesis.paused;
+}
+
+function _godot_js_tts_is_speaking() {
+ return window.speechSynthesis.speaking;
+}
+
+function _godot_js_tts_pause() {
+ window.speechSynthesis.pause();
+}
+
+function _godot_js_tts_resume() {
+ window.speechSynthesis.resume();
+}
+
+function _godot_js_tts_speak(p_text, p_voice, p_volume, p_pitch, p_rate, p_utterance_id, p_callback) {
+ const func = GodotRuntime.get_func(p_callback);
+ function listener_end(evt) {
+  evt.currentTarget.cb(1, evt.currentTarget.id, 0);
+ }
+ function listener_start(evt) {
+  evt.currentTarget.cb(0, evt.currentTarget.id, 0);
+ }
+ function listener_error(evt) {
+  evt.currentTarget.cb(2, evt.currentTarget.id, 0);
+ }
+ function listener_bound(evt) {
+  evt.currentTarget.cb(3, evt.currentTarget.id, evt.charIndex);
+ }
+ const utterance = new SpeechSynthesisUtterance(GodotRuntime.parseString(p_text));
+ utterance.rate = p_rate;
+ utterance.pitch = p_pitch;
+ utterance.volume = p_volume / 100;
+ utterance.addEventListener("end", listener_end);
+ utterance.addEventListener("start", listener_start);
+ utterance.addEventListener("error", listener_error);
+ utterance.addEventListener("boundary", listener_bound);
+ utterance.id = p_utterance_id;
+ utterance.cb = func;
+ const voice = GodotRuntime.parseString(p_voice);
+ const voices = window.speechSynthesis.getVoices();
+ for (let i = 0; i < voices.length; i++) {
+  if (voices[i].name === voice) {
+   utterance.voice = voices[i];
+   break;
+  }
+ }
+ window.speechSynthesis.resume();
+ window.speechSynthesis.speak(utterance);
+}
+
+function _godot_js_tts_stop() {
+ window.speechSynthesis.cancel();
+ window.speechSynthesis.resume();
+}
+
+var GodotWebSocket = {
+ _onopen: function(p_id, callback, event) {
+  const ref = IDHandler.get(p_id);
+  if (!ref) {
+   return;
+  }
+  const c_str = GodotRuntime.allocString(ref.protocol);
+  callback(c_str);
+  GodotRuntime.free(c_str);
+ },
+ _onmessage: function(p_id, callback, event) {
+  const ref = IDHandler.get(p_id);
+  if (!ref) {
+   return;
+  }
+  let buffer;
+  let is_string = 0;
+  if (event.data instanceof ArrayBuffer) {
+   buffer = new Uint8Array(event.data);
+  } else if (event.data instanceof Blob) {
+   GodotRuntime.error("Blob type not supported");
+   return;
+  } else if (typeof event.data === "string") {
+   is_string = 1;
+   const enc = new TextEncoder("utf-8");
+   buffer = new Uint8Array(enc.encode(event.data));
+  } else {
+   GodotRuntime.error("Unknown message type");
+   return;
+  }
+  const len = buffer.length * buffer.BYTES_PER_ELEMENT;
+  const out = GodotRuntime.malloc(len);
+  GROWABLE_HEAP_U8().set(buffer, out);
+  callback(out, len, is_string);
+  GodotRuntime.free(out);
+ },
+ _onerror: function(p_id, callback, event) {
+  const ref = IDHandler.get(p_id);
+  if (!ref) {
+   return;
+  }
+  callback();
+ },
+ _onclose: function(p_id, callback, event) {
+  const ref = IDHandler.get(p_id);
+  if (!ref) {
+   return;
+  }
+  const c_str = GodotRuntime.allocString(event.reason);
+  callback(event.code, c_str, event.wasClean ? 1 : 0);
+  GodotRuntime.free(c_str);
+ },
+ send: function(p_id, p_data) {
+  const ref = IDHandler.get(p_id);
+  if (!ref || ref.readyState !== ref.OPEN) {
+   return 1;
+  }
+  ref.send(p_data);
+  return 0;
+ },
+ bufferedAmount: function(p_id) {
+  const ref = IDHandler.get(p_id);
+  if (!ref) {
+   return 0;
+  }
+  return ref.bufferedAmount;
+ },
+ create: function(socket, p_on_open, p_on_message, p_on_error, p_on_close) {
+  const id = IDHandler.add(socket);
+  socket.onopen = GodotWebSocket._onopen.bind(null, id, p_on_open);
+  socket.onmessage = GodotWebSocket._onmessage.bind(null, id, p_on_message);
+  socket.onerror = GodotWebSocket._onerror.bind(null, id, p_on_error);
+  socket.onclose = GodotWebSocket._onclose.bind(null, id, p_on_close);
+  return id;
+ },
+ close: function(p_id, p_code, p_reason) {
+  const ref = IDHandler.get(p_id);
+  if (ref && ref.readyState < ref.CLOSING) {
+   const code = p_code;
+   const reason = GodotRuntime.parseString(p_reason);
+   ref.close(code, reason);
+  }
+ },
+ destroy: function(p_id) {
+  const ref = IDHandler.get(p_id);
+  if (!ref) {
+   return;
+  }
+  GodotWebSocket.close(p_id, 3001, "destroyed");
+  IDHandler.remove(p_id);
+  ref.onopen = null;
+  ref.onmessage = null;
+  ref.onerror = null;
+  ref.onclose = null;
+ }
+};
+
+function _godot_js_websocket_buffered_amount(p_id) {
+ return GodotWebSocket.bufferedAmount(p_id);
+}
+
+function _godot_js_websocket_close(p_id, p_code, p_reason) {
+ const code = p_code;
+ const reason = GodotRuntime.parseString(p_reason);
+ GodotWebSocket.close(p_id, code, reason);
+}
+
+function _godot_js_websocket_create(p_ref, p_url, p_proto, p_on_open, p_on_message, p_on_error, p_on_close) {
+ const on_open = GodotRuntime.get_func(p_on_open).bind(null, p_ref);
+ const on_message = GodotRuntime.get_func(p_on_message).bind(null, p_ref);
+ const on_error = GodotRuntime.get_func(p_on_error).bind(null, p_ref);
+ const on_close = GodotRuntime.get_func(p_on_close).bind(null, p_ref);
+ const url = GodotRuntime.parseString(p_url);
+ const protos = GodotRuntime.parseString(p_proto);
+ let socket = null;
+ try {
+  if (protos) {
+   socket = new WebSocket(url, protos.split(","));
+  } else {
+   socket = new WebSocket(url);
+  }
+ } catch (e) {
+  return 0;
+ }
+ socket.binaryType = "arraybuffer";
+ return GodotWebSocket.create(socket, on_open, on_message, on_error, on_close);
+}
+
+function _godot_js_websocket_destroy(p_id) {
+ GodotWebSocket.destroy(p_id);
+}
+
+function _godot_js_websocket_send(p_id, p_buf, p_buf_len, p_raw) {
+ const bytes_array = new Uint8Array(p_buf_len);
+ let i = 0;
+ for (i = 0; i < p_buf_len; i++) {
+  bytes_array[i] = GodotRuntime.getHeapValue(p_buf + i, "i8");
+ }
+ let out = bytes_array.buffer;
+ if (!p_raw) {
+  out = new TextDecoder("utf-8").decode(bytes_array);
+ }
+ return GodotWebSocket.send(p_id, out);
+}
+
+var GodotJSWrapper = {
+ proxies: null,
+ cb_ret: null,
+ MyProxy: function(val) {
+  const id = IDHandler.add(this);
+  GodotJSWrapper.proxies.set(val, id);
+  let refs = 1;
+  this.ref = function() {
+   refs++;
+  };
+  this.unref = function() {
+   refs--;
+   if (refs === 0) {
+    IDHandler.remove(id);
+    GodotJSWrapper.proxies.delete(val);
+   }
+  };
+  this.get_val = function() {
+   return val;
+  };
+  this.get_id = function() {
+   return id;
+  };
+ },
+ get_proxied: function(val) {
+  const id = GodotJSWrapper.proxies.get(val);
+  if (id === undefined) {
+   const proxy = new GodotJSWrapper.MyProxy(val);
+   return proxy.get_id();
+  }
+  IDHandler.get(id).ref();
+  return id;
+ },
+ get_proxied_value: function(id) {
+  const proxy = IDHandler.get(id);
+  if (proxy === undefined) {
+   return undefined;
+  }
+  return proxy.get_val();
+ },
+ variant2js: function(type, val) {
+  switch (type) {
+  case 0:
+   return null;
+
+  case 1:
+   return !!GodotRuntime.getHeapValue(val, "i64");
+
+  case 2:
+   return GodotRuntime.getHeapValue(val, "i64");
+
+  case 3:
+   return GodotRuntime.getHeapValue(val, "double");
+
+  case 4:
+   return GodotRuntime.parseString(GodotRuntime.getHeapValue(val, "*"));
+
+  case 24:
+   return GodotJSWrapper.get_proxied_value(GodotRuntime.getHeapValue(val, "i64"));
+
+  default:
+   return undefined;
+  }
+ },
+ js2variant: function(p_val, p_exchange) {
+  if (p_val === undefined || p_val === null) {
+   return 0;
+  }
+  const type = typeof p_val;
+  if (type === "boolean") {
+   GodotRuntime.setHeapValue(p_exchange, p_val, "i64");
+   return 1;
+  } else if (type === "number") {
+   if (Number.isInteger(p_val)) {
+    GodotRuntime.setHeapValue(p_exchange, p_val, "i64");
+    return 2;
+   }
+   GodotRuntime.setHeapValue(p_exchange, p_val, "double");
+   return 3;
+  } else if (type === "string") {
+   const c_str = GodotRuntime.allocString(p_val);
+   GodotRuntime.setHeapValue(p_exchange, c_str, "*");
+   return 4;
+  }
+  const id = GodotJSWrapper.get_proxied(p_val);
+  GodotRuntime.setHeapValue(p_exchange, id, "i64");
+  return 24;
+ }
+};
+
+function _godot_js_wrapper_create_cb(p_ref, p_func) {
+ const func = GodotRuntime.get_func(p_func);
+ let id = 0;
+ const cb = function() {
+  if (!GodotJSWrapper.get_proxied_value(id)) {
+   return undefined;
+  }
+  GodotJSWrapper.cb_ret = null;
+  const args = Array.from(arguments);
+  func(p_ref, GodotJSWrapper.get_proxied(args), args.length);
+  const ret = GodotJSWrapper.cb_ret;
+  GodotJSWrapper.cb_ret = null;
+  return ret;
+ };
+ id = GodotJSWrapper.get_proxied(cb);
+ return id;
+}
+
+function _godot_js_wrapper_create_object(p_object, p_args, p_argc, p_convert_callback, p_exchange, p_lock, p_free_lock_callback) {
+ const name = GodotRuntime.parseString(p_object);
+ if (typeof window[name] === "undefined") {
+  return -1;
+ }
+ const convert = GodotRuntime.get_func(p_convert_callback);
+ const freeLock = GodotRuntime.get_func(p_free_lock_callback);
+ const args = new Array(p_argc);
+ for (let i = 0; i < p_argc; i++) {
+  const type = convert(p_args, i, p_exchange, p_lock);
+  const lock = GodotRuntime.getHeapValue(p_lock, "*");
+  args[i] = GodotJSWrapper.variant2js(type, p_exchange);
+  if (lock) {
+   freeLock(p_lock, type);
+  }
+ }
+ try {
+  const res = new window[name](...args);
+  return GodotJSWrapper.js2variant(res, p_exchange);
+ } catch (e) {
+  GodotRuntime.error(`Error calling constructor ${name} with args:`, args, "error:", e);
+  return -1;
+ }
+}
+
+function _godot_js_wrapper_interface_get(p_name) {
+ const name = GodotRuntime.parseString(p_name);
+ if (typeof window[name] !== "undefined") {
+  return GodotJSWrapper.get_proxied(window[name]);
+ }
+ return 0;
+}
+
+function _godot_js_wrapper_object_call(p_id, p_method, p_args, p_argc, p_convert_callback, p_exchange, p_lock, p_free_lock_callback) {
+ const obj = GodotJSWrapper.get_proxied_value(p_id);
+ if (obj === undefined) {
+  return -1;
+ }
+ const method = GodotRuntime.parseString(p_method);
+ const convert = GodotRuntime.get_func(p_convert_callback);
+ const freeLock = GodotRuntime.get_func(p_free_lock_callback);
+ const args = new Array(p_argc);
+ for (let i = 0; i < p_argc; i++) {
+  const type = convert(p_args, i, p_exchange, p_lock);
+  const lock = GodotRuntime.getHeapValue(p_lock, "*");
+  args[i] = GodotJSWrapper.variant2js(type, p_exchange);
+  if (lock) {
+   freeLock(p_lock, type);
+  }
+ }
+ try {
+  const res = obj[method](...args);
+  return GodotJSWrapper.js2variant(res, p_exchange);
+ } catch (e) {
+  GodotRuntime.error(`Error calling method ${method} on:`, obj, "error:", e);
+  return -1;
+ }
+}
+
+function _godot_js_wrapper_object_get(p_id, p_exchange, p_prop) {
+ const obj = GodotJSWrapper.get_proxied_value(p_id);
+ if (obj === undefined) {
+  return 0;
+ }
+ if (p_prop) {
+  const prop = GodotRuntime.parseString(p_prop);
+  try {
+   return GodotJSWrapper.js2variant(obj[prop], p_exchange);
+  } catch (e) {
+   GodotRuntime.error(`Error getting variable ${prop} on object`, obj);
+   return 0;
+  }
+ }
+ return GodotJSWrapper.js2variant(obj, p_exchange);
+}
+
+function _godot_js_wrapper_object_getvar(p_id, p_type, p_exchange) {
+ const obj = GodotJSWrapper.get_proxied_value(p_id);
+ if (obj === undefined) {
+  return -1;
+ }
+ const prop = GodotJSWrapper.variant2js(p_type, p_exchange);
+ if (prop === undefined || prop === null) {
+  return -1;
+ }
+ try {
+  return GodotJSWrapper.js2variant(obj[prop], p_exchange);
+ } catch (e) {
+  GodotRuntime.error(`Error getting variable ${prop} on object`, obj, e);
+  return -1;
+ }
+}
+
+function _godot_js_wrapper_object_set(p_id, p_name, p_type, p_exchange) {
+ const obj = GodotJSWrapper.get_proxied_value(p_id);
+ if (obj === undefined) {
+  return;
+ }
+ const name = GodotRuntime.parseString(p_name);
+ try {
+  obj[name] = GodotJSWrapper.variant2js(p_type, p_exchange);
+ } catch (e) {
+  GodotRuntime.error(`Error setting variable ${name} on object`, obj);
+ }
+}
+
+function _godot_js_wrapper_object_set_cb_ret(p_val_type, p_val_ex) {
+ GodotJSWrapper.cb_ret = GodotJSWrapper.variant2js(p_val_type, p_val_ex);
+}
+
+function _godot_js_wrapper_object_setvar(p_id, p_key_type, p_key_ex, p_val_type, p_val_ex) {
+ const obj = GodotJSWrapper.get_proxied_value(p_id);
+ if (obj === undefined) {
+  return -1;
+ }
+ const key = GodotJSWrapper.variant2js(p_key_type, p_key_ex);
+ try {
+  obj[key] = GodotJSWrapper.variant2js(p_val_type, p_val_ex);
+  return 0;
+ } catch (e) {
+  GodotRuntime.error(`Error setting variable ${key} on object`, obj);
+  return -1;
+ }
+}
+
+function _godot_js_wrapper_object_unref(p_id) {
+ const proxy = IDHandler.get(p_id);
+ if (proxy !== undefined) {
+  proxy.unref();
+ }
+}
+
+var GodotWebGL2 = {};
+
+function _godot_webgl2_glFramebufferTextureMultiviewOVR(target, attachment, texture, level, base_view_index, num_views) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(52, 1, target, attachment, texture, level, base_view_index, num_views);
+ const context = GL.currentContext;
+ if (typeof context.multiviewExt === "undefined") {
+  const ext = context.GLctx.getExtension("OVR_multiview2");
+  if (!ext) {
+   console.error("Trying to call glFramebufferTextureMultiviewOVR() without the OVR_multiview2 extension");
+   return;
+  }
+  context.multiviewExt = ext;
+ }
+ const ext = context.multiviewExt;
+ ext.framebufferTextureMultiviewOVR(target, attachment, GL.textures[texture], level, base_view_index, num_views);
+}
+
+var GodotWebXR = {
+ gl: null,
+ session: null,
+ gl_binding: null,
+ layer: null,
+ space: null,
+ frame: null,
+ pose: null,
+ view_count: 1,
+ input_sources: [ , , , , , , , , , , , , , , ,  ],
+ touches: [ , , , ,  ],
+ onsimpleevent: null,
+ orig_requestAnimationFrame: null,
+ requestAnimationFrame: callback => {
+  if (GodotWebXR.session && GodotWebXR.space) {
+   const onFrame = function(time, frame) {
+    GodotWebXR.frame = frame;
+    GodotWebXR.pose = frame.getViewerPose(GodotWebXR.space);
+    callback(time);
+    GodotWebXR.frame = null;
+    GodotWebXR.pose = null;
+   };
+   GodotWebXR.session.requestAnimationFrame(onFrame);
+  } else {
+   GodotWebXR.orig_requestAnimationFrame(callback);
+  }
+ },
+ monkeyPatchRequestAnimationFrame: enable => {
+  if (GodotWebXR.orig_requestAnimationFrame === null) {
+   GodotWebXR.orig_requestAnimationFrame = Browser.requestAnimationFrame;
+  }
+  Browser.requestAnimationFrame = enable ? GodotWebXR.requestAnimationFrame : GodotWebXR.orig_requestAnimationFrame;
+ },
+ pauseResumeMainLoop: () => {
+  Browser.mainLoop.pause();
+  runtimeKeepalivePush();
+  window.setTimeout(function() {
+   runtimeKeepalivePop();
+   Browser.mainLoop.resume();
+  }, 0);
+ },
+ getLayer: () => {
+  const new_view_count = GodotWebXR.pose ? GodotWebXR.pose.views.length : 1;
+  let layer = GodotWebXR.layer;
+  if (layer && GodotWebXR.view_count === new_view_count) {
+   return layer;
+  }
+  if (!GodotWebXR.session || !GodotWebXR.gl_binding) {
+   return null;
+  }
+  const gl = GodotWebXR.gl;
+  layer = GodotWebXR.gl_binding.createProjectionLayer({
+   textureType: new_view_count > 1 ? "texture-array" : "texture",
+   colorFormat: gl.RGBA8,
+   depthFormat: gl.DEPTH_COMPONENT24
+  });
+  GodotWebXR.session.updateRenderState({
+   layers: [ layer ]
+  });
+  GodotWebXR.layer = layer;
+  GodotWebXR.view_count = new_view_count;
+  return layer;
+ },
+ getSubImage: () => {
+  if (!GodotWebXR.pose) {
+   return null;
+  }
+  const layer = GodotWebXR.getLayer();
+  if (layer === null) {
+   return null;
+  }
+  return GodotWebXR.gl_binding.getViewSubImage(layer, GodotWebXR.pose.views[0]);
+ },
+ getTextureId: texture => {
+  if (texture.name !== undefined) {
+   return texture.name;
+  }
+  const id = GL.getNewId(GL.textures);
+  texture.name = id;
+  GL.textures[id] = texture;
+  return id;
+ },
+ addInputSource: input_source => {
+  let name = -1;
+  if (input_source.targetRayMode === "tracked-pointer" && input_source.handedness === "left") {
+   name = 0;
+  } else if (input_source.targetRayMode === "tracked-pointer" && input_source.handedness === "right") {
+   name = 1;
+  } else {
+   for (let i = 2; i < 16; i++) {
+    if (!GodotWebXR.input_sources[i]) {
+     name = i;
+     break;
+    }
+   }
+  }
+  if (name >= 0) {
+   GodotWebXR.input_sources[name] = input_source;
+   input_source.name = name;
+   if (input_source.targetRayMode === "screen") {
+    let touch_index = -1;
+    for (let i = 0; i < 5; i++) {
+     if (!GodotWebXR.touches[i]) {
+      touch_index = i;
+      break;
+     }
+    }
+    if (touch_index >= 0) {
+     GodotWebXR.touches[touch_index] = input_source;
+     input_source.touch_index = touch_index;
+    }
+   }
+  }
+  return name;
+ },
+ removeInputSource: input_source => {
+  if (input_source.name !== undefined) {
+   const name = input_source.name;
+   if (name >= 0 && name < 16) {
+    GodotWebXR.input_sources[name] = null;
+   }
+   if (input_source.touch_index !== undefined) {
+    const touch_index = input_source.touch_index;
+    if (touch_index >= 0 && touch_index < 5) {
+     GodotWebXR.touches[touch_index] = null;
+    }
+   }
+   return name;
+  }
+  return -1;
+ },
+ getInputSourceId: input_source => {
+  if (input_source !== undefined) {
+   return input_source.name;
+  }
+  return -1;
+ },
+ getTouchIndex: input_source => {
+  if (input_source.touch_index !== undefined) {
+   return input_source.touch_index;
+  }
+  return -1;
+ }
+};
+
+function _godot_webxr_get_bounds_geometry(r_points) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(53, 1, r_points);
+ if (!GodotWebXR.space || !GodotWebXR.space.boundsGeometry) {
+  return 0;
+ }
+ const point_count = GodotWebXR.space.boundsGeometry.length;
+ if (point_count === 0) {
+  return 0;
+ }
+ const buf = GodotRuntime.malloc(point_count * 3 * 4);
+ for (let i = 0; i < point_count; i++) {
+  const point = GodotWebXR.space.boundsGeometry[i];
+  GodotRuntime.setHeapValue(buf + (i * 3 + 0) * 4, point.x, "float");
+  GodotRuntime.setHeapValue(buf + (i * 3 + 1) * 4, point.y, "float");
+  GodotRuntime.setHeapValue(buf + (i * 3 + 2) * 4, point.z, "float");
+ }
+ GodotRuntime.setHeapValue(r_points, buf, "i32");
+ return point_count;
+}
+
+function _godot_webxr_get_color_texture() {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(54, 1);
+ const subimage = GodotWebXR.getSubImage();
+ if (subimage === null) {
+  return 0;
+ }
+ return GodotWebXR.getTextureId(subimage.colorTexture);
+}
+
+function _godot_webxr_get_depth_texture() {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(55, 1);
+ const subimage = GodotWebXR.getSubImage();
+ if (subimage === null) {
+  return 0;
+ }
+ if (!subimage.depthStencilTexture) {
+  return 0;
+ }
+ return GodotWebXR.getTextureId(subimage.depthStencilTexture);
+}
+
+function _godot_webxr_get_frame_rate() {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(56, 1);
+ if (!GodotWebXR.session || GodotWebXR.session.frameRate === undefined) {
+  return 0;
+ }
+ return GodotWebXR.session.frameRate;
+}
+
+function _godot_webxr_get_projection_for_view(p_view, r_transform) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(57, 1, p_view, r_transform);
+ if (!GodotWebXR.session || !GodotWebXR.pose) {
+  return false;
+ }
+ const matrix = GodotWebXR.pose.views[p_view].projectionMatrix;
+ for (let i = 0; i < 16; i++) {
+  GodotRuntime.setHeapValue(r_transform + i * 4, matrix[i], "float");
+ }
+ return true;
+}
+
+function _godot_webxr_get_render_target_size(r_size) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(58, 1, r_size);
+ const subimage = GodotWebXR.getSubImage();
+ if (subimage === null) {
+  return false;
+ }
+ GodotRuntime.setHeapValue(r_size + 0, subimage.viewport.width, "i32");
+ GodotRuntime.setHeapValue(r_size + 4, subimage.viewport.height, "i32");
+ return true;
+}
+
+function _godot_webxr_get_supported_frame_rates(r_frame_rates) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(59, 1, r_frame_rates);
+ if (!GodotWebXR.session || GodotWebXR.session.supportedFrameRates === undefined) {
+  return 0;
+ }
+ const frame_rate_count = GodotWebXR.session.supportedFrameRates.length;
+ if (frame_rate_count === 0) {
+  return 0;
+ }
+ const buf = GodotRuntime.malloc(frame_rate_count * 4);
+ for (let i = 0; i < frame_rate_count; i++) {
+  GodotRuntime.setHeapValue(buf + i * 4, GodotWebXR.session.supportedFrameRates[i], "float");
+ }
+ GodotRuntime.setHeapValue(r_frame_rates, buf, "i32");
+ return frame_rate_count;
+}
+
+function _godot_webxr_get_transform_for_view(p_view, r_transform) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(60, 1, p_view, r_transform);
+ if (!GodotWebXR.session || !GodotWebXR.pose) {
+  return false;
+ }
+ const views = GodotWebXR.pose.views;
+ let matrix;
+ if (p_view >= 0) {
+  matrix = views[p_view].transform.matrix;
+ } else {
+  matrix = GodotWebXR.pose.transform.matrix;
+ }
+ for (let i = 0; i < 16; i++) {
+  GodotRuntime.setHeapValue(r_transform + i * 4, matrix[i], "float");
+ }
+ return true;
+}
+
+function _godot_webxr_get_velocity_texture() {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(61, 1);
+ const subimage = GodotWebXR.getSubImage();
+ if (subimage === null) {
+  return 0;
+ }
+ if (!subimage.motionVectorTexture) {
+  return 0;
+ }
+ return GodotWebXR.getTextureId(subimage.motionVectorTexture);
+}
+
+function _godot_webxr_get_view_count() {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(62, 1);
+ if (!GodotWebXR.session || !GodotWebXR.pose) {
+  return 1;
+ }
+ const view_count = GodotWebXR.pose.views.length;
+ return view_count > 0 ? view_count : 1;
+}
+
+function _godot_webxr_get_visibility_state() {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(63, 1);
+ if (!GodotWebXR.session || !GodotWebXR.session.visibilityState) {
+  return 0;
+ }
+ return GodotRuntime.allocString(GodotWebXR.session.visibilityState);
+}
+
+function _godot_webxr_initialize(p_session_mode, p_required_features, p_optional_features, p_requested_reference_spaces, p_on_session_started, p_on_session_ended, p_on_session_failed, p_on_input_event, p_on_simple_event) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(64, 1, p_session_mode, p_required_features, p_optional_features, p_requested_reference_spaces, p_on_session_started, p_on_session_ended, p_on_session_failed, p_on_input_event, p_on_simple_event);
+ GodotWebXR.monkeyPatchRequestAnimationFrame(true);
+ const session_mode = GodotRuntime.parseString(p_session_mode);
+ const required_features = GodotRuntime.parseString(p_required_features).split(",").map(s => s.trim()).filter(s => s !== "");
+ const optional_features = GodotRuntime.parseString(p_optional_features).split(",").map(s => s.trim()).filter(s => s !== "");
+ const requested_reference_space_types = GodotRuntime.parseString(p_requested_reference_spaces).split(",").map(s => s.trim());
+ const onstarted = GodotRuntime.get_func(p_on_session_started);
+ const onended = GodotRuntime.get_func(p_on_session_ended);
+ const onfailed = GodotRuntime.get_func(p_on_session_failed);
+ const oninputevent = GodotRuntime.get_func(p_on_input_event);
+ const onsimpleevent = GodotRuntime.get_func(p_on_simple_event);
+ const session_init = {};
+ if (required_features.length > 0) {
+  session_init["requiredFeatures"] = required_features;
+ }
+ if (optional_features.length > 0) {
+  session_init["optionalFeatures"] = optional_features;
+ }
+ navigator.xr.requestSession(session_mode, session_init).then(function(session) {
+  GodotWebXR.session = session;
+  session.addEventListener("end", function(evt) {
+   onended();
+  });
+  session.addEventListener("inputsourceschange", function(evt) {
+   evt.added.forEach(GodotWebXR.addInputSource);
+   evt.removed.forEach(GodotWebXR.removeInputSource);
+  });
+  [ "selectstart", "selectend", "squeezestart", "squeezeend" ].forEach((input_event, index) => {
+   session.addEventListener(input_event, function(evt) {
+    GodotWebXR.frame = evt.frame;
+    oninputevent(index, GodotWebXR.getInputSourceId(evt.inputSource));
+    GodotWebXR.frame = null;
+   });
+  });
+  session.addEventListener("visibilitychange", function(evt) {
+   const c_str = GodotRuntime.allocString("visibility_state_changed");
+   onsimpleevent(c_str);
+   GodotRuntime.free(c_str);
+  });
+  GodotWebXR.onsimpleevent = onsimpleevent;
+  const gl_context_handle = _emscripten_webgl_get_current_context();
+  const gl = GL.getContext(gl_context_handle).GLctx;
+  GodotWebXR.gl = gl;
+  gl.makeXRCompatible().then(function() {
+   GodotWebXR.gl_binding = new XRWebGLBinding(session, gl);
+   GodotWebXR.getLayer();
+   function onReferenceSpaceSuccess(reference_space, reference_space_type) {
+    GodotWebXR.space = reference_space;
+    reference_space.onreset = function(evt) {
+     const c_str = GodotRuntime.allocString("reference_space_reset");
+     onsimpleevent(c_str);
+     GodotRuntime.free(c_str);
+    };
+    GodotWebXR.pauseResumeMainLoop();
+    window.setTimeout(function() {
+     const c_str = GodotRuntime.allocString(reference_space_type);
+     onstarted(c_str);
+     GodotRuntime.free(c_str);
+    }, 0);
+   }
+   function requestReferenceSpace() {
+    const reference_space_type = requested_reference_space_types.shift();
+    session.requestReferenceSpace(reference_space_type).then(refSpace => {
+     onReferenceSpaceSuccess(refSpace, reference_space_type);
+    }).catch(() => {
+     if (requested_reference_space_types.length === 0) {
+      const c_str = GodotRuntime.allocString("Unable to get any of the requested reference space types");
+      onfailed(c_str);
+      GodotRuntime.free(c_str);
+     } else {
+      requestReferenceSpace();
+     }
+    });
+   }
+   requestReferenceSpace();
+  }).catch(function(error) {
+   const c_str = GodotRuntime.allocString(`Unable to make WebGL context compatible with WebXR: ${error}`);
+   onfailed(c_str);
+   GodotRuntime.free(c_str);
+  });
+ }).catch(function(error) {
+  const c_str = GodotRuntime.allocString(`Unable to start session: ${error}`);
+  onfailed(c_str);
+  GodotRuntime.free(c_str);
+ });
+}
+
+function _godot_webxr_is_session_supported(p_session_mode, p_callback) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(65, 1, p_session_mode, p_callback);
+ const session_mode = GodotRuntime.parseString(p_session_mode);
+ const cb = GodotRuntime.get_func(p_callback);
+ if (navigator.xr) {
+  navigator.xr.isSessionSupported(session_mode).then(function(supported) {
+   const c_str = GodotRuntime.allocString(session_mode);
+   cb(c_str, supported ? 1 : 0);
+   GodotRuntime.free(c_str);
+  });
+ } else {
+  const c_str = GodotRuntime.allocString(session_mode);
+  cb(c_str, 0);
+  GodotRuntime.free(c_str);
+ }
+}
+
+function _godot_webxr_is_supported() {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(66, 1);
+ return !!navigator.xr;
+}
+
+function _godot_webxr_uninitialize() {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(67, 1);
+ if (GodotWebXR.session) {
+  GodotWebXR.session.end().catch(e => {});
+ }
+ GodotWebXR.session = null;
+ GodotWebXR.gl_binding = null;
+ GodotWebXR.layer = null;
+ GodotWebXR.space = null;
+ GodotWebXR.frame = null;
+ GodotWebXR.pose = null;
+ GodotWebXR.view_count = 1;
+ GodotWebXR.input_sources = new Array(16);
+ GodotWebXR.touches = new Array(5);
+ GodotWebXR.onsimpleevent = null;
+ GodotWebXR.monkeyPatchRequestAnimationFrame(false);
+ GodotWebXR.pauseResumeMainLoop();
+}
+
+function _godot_webxr_update_input_source(p_input_source_id, r_target_pose, r_target_ray_mode, r_touch_index, r_has_grip_pose, r_grip_pose, r_has_standard_mapping, r_button_count, r_buttons, r_axes_count, r_axes) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(68, 1, p_input_source_id, r_target_pose, r_target_ray_mode, r_touch_index, r_has_grip_pose, r_grip_pose, r_has_standard_mapping, r_button_count, r_buttons, r_axes_count, r_axes);
+ if (!GodotWebXR.session || !GodotWebXR.frame) {
+  return 0;
+ }
+ if (p_input_source_id < 0 || p_input_source_id >= GodotWebXR.input_sources.length || !GodotWebXR.input_sources[p_input_source_id]) {
+  return false;
+ }
+ const input_source = GodotWebXR.input_sources[p_input_source_id];
+ const frame = GodotWebXR.frame;
+ const space = GodotWebXR.space;
+ const target_pose = frame.getPose(input_source.targetRaySpace, space);
+ if (!target_pose) {
+  return false;
+ }
+ const target_pose_matrix = target_pose.transform.matrix;
+ for (let i = 0; i < 16; i++) {
+  GodotRuntime.setHeapValue(r_target_pose + i * 4, target_pose_matrix[i], "float");
+ }
+ let target_ray_mode = 0;
+ switch (input_source.targetRayMode) {
+ case "gaze":
+  target_ray_mode = 1;
+  break;
+
+ case "tracked-pointer":
+  target_ray_mode = 2;
+  break;
+
+ case "screen":
+  target_ray_mode = 3;
+  break;
+
+ default:
+ }
+ GodotRuntime.setHeapValue(r_target_ray_mode, target_ray_mode, "i32");
+ GodotRuntime.setHeapValue(r_touch_index, GodotWebXR.getTouchIndex(input_source), "i32");
+ let has_grip_pose = false;
+ if (input_source.gripSpace) {
+  const grip_pose = frame.getPose(input_source.gripSpace, space);
+  if (grip_pose) {
+   const grip_pose_matrix = grip_pose.transform.matrix;
+   for (let i = 0; i < 16; i++) {
+    GodotRuntime.setHeapValue(r_grip_pose + i * 4, grip_pose_matrix[i], "float");
+   }
+   has_grip_pose = true;
+  }
+ }
+ GodotRuntime.setHeapValue(r_has_grip_pose, has_grip_pose ? 1 : 0, "i32");
+ let has_standard_mapping = false;
+ let button_count = 0;
+ let axes_count = 0;
+ if (input_source.gamepad) {
+  if (input_source.gamepad.mapping === "xr-standard") {
+   has_standard_mapping = true;
+  }
+  button_count = Math.min(input_source.gamepad.buttons.length, 10);
+  for (let i = 0; i < button_count; i++) {
+   GodotRuntime.setHeapValue(r_buttons + i * 4, input_source.gamepad.buttons[i].value, "float");
+  }
+  axes_count = Math.min(input_source.gamepad.axes.length, 10);
+  for (let i = 0; i < axes_count; i++) {
+   GodotRuntime.setHeapValue(r_axes + i * 4, input_source.gamepad.axes[i], "float");
+  }
+ }
+ GodotRuntime.setHeapValue(r_has_standard_mapping, has_standard_mapping ? 1 : 0, "i32");
+ GodotRuntime.setHeapValue(r_button_count, button_count, "i32");
+ GodotRuntime.setHeapValue(r_axes_count, axes_count, "i32");
+ return true;
+}
+
+function _godot_webxr_update_target_frame_rate(p_frame_rate) {
+ if (ENVIRONMENT_IS_PTHREAD) return _emscripten_proxy_to_main_thread_js(69, 1, p_frame_rate);
+ if (!GodotWebXR.session || GodotWebXR.session.updateTargetFrameRate === undefined) {
+  return;
+ }
+ GodotWebXR.session.updateTargetFrameRate(p_frame_rate).then(() => {
+  const c_str = GodotRuntime.allocString("display_refresh_rate_changed");
+  GodotWebXR.onsimpleevent(c_str);
+  GodotRuntime.free(c_str);
+ });
+}
+
+function _setTempRet0(val) {
+ setTempRet0(val);
+}
+
+function __isLeapYear(year) {
+ return year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0);
+}
+
+function __arraySum(array, index) {
+ var sum = 0;
+ for (var i = 0; i <= index; sum += array[i++]) {}
+ return sum;
+}
+
+var __MONTH_DAYS_LEAP = [ 31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];
+
+var __MONTH_DAYS_REGULAR = [ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 ];
+
+function __addDays(date, days) {
+ var newDate = new Date(date.getTime());
+ while (days > 0) {
+  var leap = __isLeapYear(newDate.getFullYear());
+  var currentMonth = newDate.getMonth();
+  var daysInCurrentMonth = (leap ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR)[currentMonth];
+  if (days > daysInCurrentMonth - newDate.getDate()) {
+   days -= daysInCurrentMonth - newDate.getDate() + 1;
+   newDate.setDate(1);
+   if (currentMonth < 11) {
+    newDate.setMonth(currentMonth + 1);
+   } else {
+    newDate.setMonth(0);
+    newDate.setFullYear(newDate.getFullYear() + 1);
+   }
+  } else {
+   newDate.setDate(newDate.getDate() + days);
+   return newDate;
+  }
+ }
+ return newDate;
+}
+
+function _strftime(s, maxsize, format, tm) {
+ var tm_zone = GROWABLE_HEAP_I32()[tm + 40 >> 2];
+ var date = {
+  tm_sec: GROWABLE_HEAP_I32()[tm >> 2],
+  tm_min: GROWABLE_HEAP_I32()[tm + 4 >> 2],
+  tm_hour: GROWABLE_HEAP_I32()[tm + 8 >> 2],
+  tm_mday: GROWABLE_HEAP_I32()[tm + 12 >> 2],
+  tm_mon: GROWABLE_HEAP_I32()[tm + 16 >> 2],
+  tm_year: GROWABLE_HEAP_I32()[tm + 20 >> 2],
+  tm_wday: GROWABLE_HEAP_I32()[tm + 24 >> 2],
+  tm_yday: GROWABLE_HEAP_I32()[tm + 28 >> 2],
+  tm_isdst: GROWABLE_HEAP_I32()[tm + 32 >> 2],
+  tm_gmtoff: GROWABLE_HEAP_I32()[tm + 36 >> 2],
+  tm_zone: tm_zone ? UTF8ToString(tm_zone) : ""
+ };
+ var pattern = UTF8ToString(format);
+ var EXPANSION_RULES_1 = {
+  "%c": "%a %b %d %H:%M:%S %Y",
+  "%D": "%m/%d/%y",
+  "%F": "%Y-%m-%d",
+  "%h": "%b",
+  "%r": "%I:%M:%S %p",
+  "%R": "%H:%M",
+  "%T": "%H:%M:%S",
+  "%x": "%m/%d/%y",
+  "%X": "%H:%M:%S",
+  "%Ec": "%c",
+  "%EC": "%C",
+  "%Ex": "%m/%d/%y",
+  "%EX": "%H:%M:%S",
+  "%Ey": "%y",
+  "%EY": "%Y",
+  "%Od": "%d",
+  "%Oe": "%e",
+  "%OH": "%H",
+  "%OI": "%I",
+  "%Om": "%m",
+  "%OM": "%M",
+  "%OS": "%S",
+  "%Ou": "%u",
+  "%OU": "%U",
+  "%OV": "%V",
+  "%Ow": "%w",
+  "%OW": "%W",
+  "%Oy": "%y"
+ };
+ for (var rule in EXPANSION_RULES_1) {
+  pattern = pattern.replace(new RegExp(rule, "g"), EXPANSION_RULES_1[rule]);
+ }
+ var WEEKDAYS = [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ];
+ var MONTHS = [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ];
+ function leadingSomething(value, digits, character) {
+  var str = typeof value == "number" ? value.toString() : value || "";
+  while (str.length < digits) {
+   str = character[0] + str;
+  }
+  return str;
+ }
+ function leadingNulls(value, digits) {
+  return leadingSomething(value, digits, "0");
+ }
+ function compareByDay(date1, date2) {
+  function sgn(value) {
+   return value < 0 ? -1 : value > 0 ? 1 : 0;
+  }
+  var compare;
+  if ((compare = sgn(date1.getFullYear() - date2.getFullYear())) === 0) {
+   if ((compare = sgn(date1.getMonth() - date2.getMonth())) === 0) {
+    compare = sgn(date1.getDate() - date2.getDate());
+   }
+  }
+  return compare;
+ }
+ function getFirstWeekStartDate(janFourth) {
+  switch (janFourth.getDay()) {
+  case 0:
+   return new Date(janFourth.getFullYear() - 1, 11, 29);
+
+  case 1:
+   return janFourth;
+
+  case 2:
+   return new Date(janFourth.getFullYear(), 0, 3);
+
+  case 3:
+   return new Date(janFourth.getFullYear(), 0, 2);
+
+  case 4:
+   return new Date(janFourth.getFullYear(), 0, 1);
+
+  case 5:
+   return new Date(janFourth.getFullYear() - 1, 11, 31);
+
+  case 6:
+   return new Date(janFourth.getFullYear() - 1, 11, 30);
+  }
+ }
+ function getWeekBasedYear(date) {
+  var thisDate = __addDays(new Date(date.tm_year + 1900, 0, 1), date.tm_yday);
+  var janFourthThisYear = new Date(thisDate.getFullYear(), 0, 4);
+  var janFourthNextYear = new Date(thisDate.getFullYear() + 1, 0, 4);
+  var firstWeekStartThisYear = getFirstWeekStartDate(janFourthThisYear);
+  var firstWeekStartNextYear = getFirstWeekStartDate(janFourthNextYear);
+  if (compareByDay(firstWeekStartThisYear, thisDate) <= 0) {
+   if (compareByDay(firstWeekStartNextYear, thisDate) <= 0) {
+    return thisDate.getFullYear() + 1;
+   }
+   return thisDate.getFullYear();
+  }
+  return thisDate.getFullYear() - 1;
+ }
+ var EXPANSION_RULES_2 = {
+  "%a": function(date) {
+   return WEEKDAYS[date.tm_wday].substring(0, 3);
+  },
+  "%A": function(date) {
+   return WEEKDAYS[date.tm_wday];
+  },
+  "%b": function(date) {
+   return MONTHS[date.tm_mon].substring(0, 3);
+  },
+  "%B": function(date) {
+   return MONTHS[date.tm_mon];
+  },
+  "%C": function(date) {
+   var year = date.tm_year + 1900;
+   return leadingNulls(year / 100 | 0, 2);
+  },
+  "%d": function(date) {
+   return leadingNulls(date.tm_mday, 2);
+  },
+  "%e": function(date) {
+   return leadingSomething(date.tm_mday, 2, " ");
+  },
+  "%g": function(date) {
+   return getWeekBasedYear(date).toString().substring(2);
+  },
+  "%G": function(date) {
+   return getWeekBasedYear(date);
+  },
+  "%H": function(date) {
+   return leadingNulls(date.tm_hour, 2);
+  },
+  "%I": function(date) {
+   var twelveHour = date.tm_hour;
+   if (twelveHour == 0) twelveHour = 12; else if (twelveHour > 12) twelveHour -= 12;
+   return leadingNulls(twelveHour, 2);
+  },
+  "%j": function(date) {
+   return leadingNulls(date.tm_mday + __arraySum(__isLeapYear(date.tm_year + 1900) ? __MONTH_DAYS_LEAP : __MONTH_DAYS_REGULAR, date.tm_mon - 1), 3);
+  },
+  "%m": function(date) {
+   return leadingNulls(date.tm_mon + 1, 2);
+  },
+  "%M": function(date) {
+   return leadingNulls(date.tm_min, 2);
+  },
+  "%n": function() {
+   return "\n";
+  },
+  "%p": function(date) {
+   if (date.tm_hour >= 0 && date.tm_hour < 12) {
+    return "AM";
+   }
+   return "PM";
+  },
+  "%S": function(date) {
+   return leadingNulls(date.tm_sec, 2);
+  },
+  "%t": function() {
+   return "\t";
+  },
+  "%u": function(date) {
+   return date.tm_wday || 7;
+  },
+  "%U": function(date) {
+   var days = date.tm_yday + 7 - date.tm_wday;
+   return leadingNulls(Math.floor(days / 7), 2);
+  },
+  "%V": function(date) {
+   var val = Math.floor((date.tm_yday + 7 - (date.tm_wday + 6) % 7) / 7);
+   if ((date.tm_wday + 371 - date.tm_yday - 2) % 7 <= 2) {
+    val++;
+   }
+   if (!val) {
+    val = 52;
+    var dec31 = (date.tm_wday + 7 - date.tm_yday - 1) % 7;
+    if (dec31 == 4 || dec31 == 5 && __isLeapYear(date.tm_year % 400 - 1)) {
+     val++;
+    }
+   } else if (val == 53) {
+    var jan1 = (date.tm_wday + 371 - date.tm_yday) % 7;
+    if (jan1 != 4 && (jan1 != 3 || !__isLeapYear(date.tm_year))) val = 1;
+   }
+   return leadingNulls(val, 2);
+  },
+  "%w": function(date) {
+   return date.tm_wday;
+  },
+  "%W": function(date) {
+   var days = date.tm_yday + 7 - (date.tm_wday + 6) % 7;
+   return leadingNulls(Math.floor(days / 7), 2);
+  },
+  "%y": function(date) {
+   return (date.tm_year + 1900).toString().substring(2);
+  },
+  "%Y": function(date) {
+   return date.tm_year + 1900;
+  },
+  "%z": function(date) {
+   var off = date.tm_gmtoff;
+   var ahead = off >= 0;
+   off = Math.abs(off) / 60;
+   off = off / 60 * 100 + off % 60;
+   return (ahead ? "+" : "-") + String("0000" + off).slice(-4);
+  },
+  "%Z": function(date) {
+   return date.tm_zone;
+  },
+  "%%": function() {
+   return "%";
+  }
+ };
+ pattern = pattern.replace(/%%/g, "\0\0");
+ for (var rule in EXPANSION_RULES_2) {
+  if (pattern.includes(rule)) {
+   pattern = pattern.replace(new RegExp(rule, "g"), EXPANSION_RULES_2[rule](date));
+  }
+ }
+ pattern = pattern.replace(/\0\0/g, "%");
+ var bytes = intArrayFromString(pattern, false);
+ if (bytes.length > maxsize) {
+  return 0;
+ }
+ writeArrayToMemory(bytes, s);
+ return bytes.length - 1;
+}
+
+function _strftime_l(s, maxsize, format, tm) {
+ return _strftime(s, maxsize, format, tm);
+}
+
+function allocateUTF8OnStack(str) {
+ var size = lengthBytesUTF8(str) + 1;
+ var ret = stackAlloc(size);
+ stringToUTF8Array(str, GROWABLE_HEAP_I8(), ret, size);
+ return ret;
+}
+
+function uleb128Encode(n, target) {
+ assert(n < 16384);
+ if (n < 128) {
+  target.push(n);
+ } else {
+  target.push(n % 128 | 128, n >> 7);
+ }
+}
+
+function sigToWasmTypes(sig) {
+ var typeNames = {
+  "i": "i32",
+  "j": "i64",
+  "f": "f32",
+  "d": "f64",
+  "p": "i32"
+ };
+ var type = {
+  parameters: [],
+  results: sig[0] == "v" ? [] : [ typeNames[sig[0]] ]
+ };
+ for (var i = 1; i < sig.length; ++i) {
+  assert(sig[i] in typeNames, "invalid signature char: " + sig[i]);
+  type.parameters.push(typeNames[sig[i]]);
+ }
+ return type;
+}
+
+function convertJsFunctionToWasm(func, sig) {
+ if (typeof WebAssembly.Function == "function") {
+  return new WebAssembly.Function(sigToWasmTypes(sig), func);
+ }
+ var typeSectionBody = [ 1, 96 ];
+ var sigRet = sig.slice(0, 1);
+ var sigParam = sig.slice(1);
+ var typeCodes = {
+  "i": 127,
+  "p": 127,
+  "j": 126,
+  "f": 125,
+  "d": 124
+ };
+ uleb128Encode(sigParam.length, typeSectionBody);
+ for (var i = 0; i < sigParam.length; ++i) {
+  assert(sigParam[i] in typeCodes, "invalid signature char: " + sigParam[i]);
+  typeSectionBody.push(typeCodes[sigParam[i]]);
+ }
+ if (sigRet == "v") {
+  typeSectionBody.push(0);
+ } else {
+  typeSectionBody.push(1, typeCodes[sigRet]);
+ }
+ var bytes = [ 0, 97, 115, 109, 1, 0, 0, 0, 1 ];
+ uleb128Encode(typeSectionBody.length, bytes);
+ bytes.push.apply(bytes, typeSectionBody);
+ bytes.push(2, 7, 1, 1, 101, 1, 102, 0, 0, 7, 5, 1, 1, 102, 0, 0);
+ var module = new WebAssembly.Module(new Uint8Array(bytes));
+ var instance = new WebAssembly.Instance(module, {
+  "e": {
+   "f": func
+  }
+ });
+ var wrappedFunc = instance.exports["f"];
+ return wrappedFunc;
+}
+
+function updateTableMap(offset, count) {
+ if (functionsInTableMap) {
+  for (var i = offset; i < offset + count; i++) {
+   var item = getWasmTableEntry(i);
+   if (item) {
+    functionsInTableMap.set(item, i);
+   }
+  }
+ }
+}
+
+var functionsInTableMap = undefined;
+
+var freeTableIndexes = [];
+
+function getEmptyTableSlot() {
+ if (freeTableIndexes.length) {
+  return freeTableIndexes.pop();
+ }
+ try {
+  wasmTable.grow(1);
+ } catch (err) {
+  if (!(err instanceof RangeError)) {
+   throw err;
+  }
+  throw "Unable to grow wasm table. Set ALLOW_TABLE_GROWTH.";
+ }
+ return wasmTable.length - 1;
+}
+
+function setWasmTableEntry(idx, func) {
+ wasmTable.set(idx, func);
+ wasmTableMirror[idx] = wasmTable.get(idx);
+}
+
+function addFunction(func, sig) {
+ assert(typeof func != "undefined");
+ if (!functionsInTableMap) {
+  functionsInTableMap = new WeakMap();
+  updateTableMap(0, wasmTable.length);
+ }
+ if (functionsInTableMap.has(func)) {
+  return functionsInTableMap.get(func);
+ }
+ var ret = getEmptyTableSlot();
+ try {
+  setWasmTableEntry(ret, func);
+ } catch (err) {
+  if (!(err instanceof TypeError)) {
+   throw err;
+  }
+  assert(typeof sig != "undefined", "Missing signature argument to addFunction: " + func);
+  var wrapped = convertJsFunctionToWasm(func, sig);
+  setWasmTableEntry(ret, wrapped);
+ }
+ functionsInTableMap.set(func, ret);
+ return ret;
+}
+
+function removeFunction(index) {
+ functionsInTableMap.delete(getWasmTableEntry(index));
+ freeTableIndexes.push(index);
+}
+
+var ALLOC_NORMAL = 0;
+
+var ALLOC_STACK = 1;
+
+function allocate(slab, allocator) {
+ var ret;
+ assert(typeof allocator == "number", "allocate no longer takes a type argument");
+ assert(typeof slab != "number", "allocate no longer takes a number as arg0");
+ if (allocator == ALLOC_STACK) {
+  ret = stackAlloc(slab.length);
+ } else {
+  ret = _malloc(slab.length);
+ }
+ if (!slab.subarray && !slab.slice) {
+  slab = new Uint8Array(slab);
+ }
+ GROWABLE_HEAP_U8().set(slab, ret);
+ return ret;
+}
+
+function AsciiToString(ptr) {
+ var str = "";
+ while (1) {
+  var ch = GROWABLE_HEAP_U8()[ptr++ >> 0];
+  if (!ch) return str;
+  str += String.fromCharCode(ch);
+ }
+}
+
+function stringToAscii(str, outPtr) {
+ return writeAsciiToMemory(str, outPtr, false);
+}
+
+var UTF16Decoder = typeof TextDecoder != "undefined" ? new TextDecoder("utf-16le") : undefined;
+
+function UTF16ToString(ptr, maxBytesToRead) {
+ assert(ptr % 2 == 0, "Pointer passed to UTF16ToString must be aligned to two bytes!");
+ var endPtr = ptr;
+ var idx = endPtr >> 1;
+ var maxIdx = idx + maxBytesToRead / 2;
+ while (!(idx >= maxIdx) && GROWABLE_HEAP_U16()[idx]) ++idx;
+ endPtr = idx << 1;
+ if (endPtr - ptr > 32 && UTF16Decoder) {
+  return UTF16Decoder.decode(GROWABLE_HEAP_U8().slice(ptr, endPtr));
+ } else {
+  var str = "";
+  for (var i = 0; !(i >= maxBytesToRead / 2); ++i) {
+   var codeUnit = GROWABLE_HEAP_I16()[ptr + i * 2 >> 1];
+   if (codeUnit == 0) break;
+   str += String.fromCharCode(codeUnit);
+  }
+  return str;
+ }
+}
+
+function stringToUTF16(str, outPtr, maxBytesToWrite) {
+ assert(outPtr % 2 == 0, "Pointer passed to stringToUTF16 must be aligned to two bytes!");
+ assert(typeof maxBytesToWrite == "number", "stringToUTF16(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!");
+ if (maxBytesToWrite === undefined) {
+  maxBytesToWrite = 2147483647;
+ }
+ if (maxBytesToWrite < 2) return 0;
+ maxBytesToWrite -= 2;
+ var startPtr = outPtr;
+ var numCharsToWrite = maxBytesToWrite < str.length * 2 ? maxBytesToWrite / 2 : str.length;
+ for (var i = 0; i < numCharsToWrite; ++i) {
+  var codeUnit = str.charCodeAt(i);
+  GROWABLE_HEAP_I16()[outPtr >> 1] = codeUnit;
+  outPtr += 2;
+ }
+ GROWABLE_HEAP_I16()[outPtr >> 1] = 0;
+ return outPtr - startPtr;
+}
+
+function lengthBytesUTF16(str) {
+ return str.length * 2;
+}
+
+function UTF32ToString(ptr, maxBytesToRead) {
+ assert(ptr % 4 == 0, "Pointer passed to UTF32ToString must be aligned to four bytes!");
+ var i = 0;
+ var str = "";
+ while (!(i >= maxBytesToRead / 4)) {
+  var utf32 = GROWABLE_HEAP_I32()[ptr + i * 4 >> 2];
+  if (utf32 == 0) break;
+  ++i;
+  if (utf32 >= 65536) {
+   var ch = utf32 - 65536;
+   str += String.fromCharCode(55296 | ch >> 10, 56320 | ch & 1023);
+  } else {
+   str += String.fromCharCode(utf32);
+  }
+ }
+ return str;
+}
+
+function stringToUTF32(str, outPtr, maxBytesToWrite) {
+ assert(outPtr % 4 == 0, "Pointer passed to stringToUTF32 must be aligned to four bytes!");
+ assert(typeof maxBytesToWrite == "number", "stringToUTF32(str, outPtr, maxBytesToWrite) is missing the third parameter that specifies the length of the output buffer!");
+ if (maxBytesToWrite === undefined) {
+  maxBytesToWrite = 2147483647;
+ }
+ if (maxBytesToWrite < 4) return 0;
+ var startPtr = outPtr;
+ var endPtr = startPtr + maxBytesToWrite - 4;
+ for (var i = 0; i < str.length; ++i) {
+  var codeUnit = str.charCodeAt(i);
+  if (codeUnit >= 55296 && codeUnit <= 57343) {
+   var trailSurrogate = str.charCodeAt(++i);
+   codeUnit = 65536 + ((codeUnit & 1023) << 10) | trailSurrogate & 1023;
+  }
+  GROWABLE_HEAP_I32()[outPtr >> 2] = codeUnit;
+  outPtr += 4;
+  if (outPtr + 4 > endPtr) break;
+ }
+ GROWABLE_HEAP_I32()[outPtr >> 2] = 0;
+ return outPtr - startPtr;
+}
+
+function lengthBytesUTF32(str) {
+ var len = 0;
+ for (var i = 0; i < str.length; ++i) {
+  var codeUnit = str.charCodeAt(i);
+  if (codeUnit >= 55296 && codeUnit <= 57343) ++i;
+  len += 4;
+ }
+ return len;
+}
+
+function writeStringToMemory(string, buffer, dontAddNull) {
+ warnOnce("writeStringToMemory is deprecated and should not be called! Use stringToUTF8() instead!");
+ var lastChar, end;
+ if (dontAddNull) {
+  end = buffer + lengthBytesUTF8(string);
+  lastChar = GROWABLE_HEAP_I8()[end];
+ }
+ stringToUTF8(string, buffer, Infinity);
+ if (dontAddNull) GROWABLE_HEAP_I8()[end] = lastChar;
+}
+
+function intArrayToString(array) {
+ var ret = [];
+ for (var i = 0; i < array.length; i++) {
+  var chr = array[i];
+  if (chr > 255) {
+   if (ASSERTIONS) {
+    assert(false, "Character code " + chr + " (" + String.fromCharCode(chr) + ")  at offset " + i + " not in 0x00-0xFF.");
+   }
+   chr &= 255;
+  }
+  ret.push(String.fromCharCode(chr));
+ }
+ return ret.join("");
+}
+
+function getCFunc(ident) {
+ var func = Module["_" + ident];
+ assert(func, "Cannot call unknown function " + ident + ", make sure it is exported");
+ return func;
+}
+
+function ccall(ident, returnType, argTypes, args, opts) {
+ var toC = {
+  "string": str => {
+   var ret = 0;
+   if (str !== null && str !== undefined && str !== 0) {
+    var len = (str.length << 2) + 1;
+    ret = stackAlloc(len);
+    stringToUTF8(str, ret, len);
+   }
+   return ret;
+  },
+  "array": arr => {
+   var ret = stackAlloc(arr.length);
+   writeArrayToMemory(arr, ret);
+   return ret;
+  }
+ };
+ function convertReturnValue(ret) {
+  if (returnType === "string") {
+   return UTF8ToString(ret);
+  }
+  if (returnType === "boolean") return Boolean(ret);
+  return ret;
+ }
+ var func = getCFunc(ident);
+ var cArgs = [];
+ var stack = 0;
+ assert(returnType !== "array", 'Return type should not be "array".');
+ if (args) {
+  for (var i = 0; i < args.length; i++) {
+   var converter = toC[argTypes[i]];
+   if (converter) {
+    if (stack === 0) stack = stackSave();
+    cArgs[i] = converter(args[i]);
+   } else {
+    cArgs[i] = args[i];
+   }
+  }
+ }
+ var ret = func.apply(null, cArgs);
+ function onDone(ret) {
+  if (stack !== 0) stackRestore(stack);
+  return convertReturnValue(ret);
+ }
+ ret = onDone(ret);
+ return ret;
+}
+
+function cwrap(ident, returnType, argTypes, opts) {
+ return function() {
+  return ccall(ident, returnType, argTypes, arguments, opts);
+ };
+}
+
+PThread.init();
+
+var FSNode = function(parent, name, mode, rdev) {
+ if (!parent) {
+  parent = this;
+ }
+ this.parent = parent;
+ this.mount = parent.mount;
+ this.mounted = null;
+ this.id = FS.nextInode++;
+ this.name = name;
+ this.mode = mode;
+ this.node_ops = {};
+ this.stream_ops = {};
+ this.rdev = rdev;
+};
+
+var readMode = 292 | 73;
+
+var writeMode = 146;
+
+Object.defineProperties(FSNode.prototype, {
+ read: {
+  get: function() {
+   return (this.mode & readMode) === readMode;
+  },
+  set: function(val) {
+   val ? this.mode |= readMode : this.mode &= ~readMode;
+  }
+ },
+ write: {
+  get: function() {
+   return (this.mode & writeMode) === writeMode;
+  },
+  set: function(val) {
+   val ? this.mode |= writeMode : this.mode &= ~writeMode;
+  }
+ },
+ isFolder: {
+  get: function() {
+   return FS.isDir(this.mode);
+  }
+ },
+ isDevice: {
+  get: function() {
+   return FS.isChrdev(this.mode);
+  }
+ }
+});
+
+FS.FSNode = FSNode;
+
+FS.staticInit();
+
+ERRNO_CODES = {
+ "EPERM": 63,
+ "ENOENT": 44,
+ "ESRCH": 71,
+ "EINTR": 27,
+ "EIO": 29,
+ "ENXIO": 60,
+ "E2BIG": 1,
+ "ENOEXEC": 45,
+ "EBADF": 8,
+ "ECHILD": 12,
+ "EAGAIN": 6,
+ "EWOULDBLOCK": 6,
+ "ENOMEM": 48,
+ "EACCES": 2,
+ "EFAULT": 21,
+ "ENOTBLK": 105,
+ "EBUSY": 10,
+ "EEXIST": 20,
+ "EXDEV": 75,
+ "ENODEV": 43,
+ "ENOTDIR": 54,
+ "EISDIR": 31,
+ "EINVAL": 28,
+ "ENFILE": 41,
+ "EMFILE": 33,
+ "ENOTTY": 59,
+ "ETXTBSY": 74,
+ "EFBIG": 22,
+ "ENOSPC": 51,
+ "ESPIPE": 70,
+ "EROFS": 69,
+ "EMLINK": 34,
+ "EPIPE": 64,
+ "EDOM": 18,
+ "ERANGE": 68,
+ "ENOMSG": 49,
+ "EIDRM": 24,
+ "ECHRNG": 106,
+ "EL2NSYNC": 156,
+ "EL3HLT": 107,
+ "EL3RST": 108,
+ "ELNRNG": 109,
+ "EUNATCH": 110,
+ "ENOCSI": 111,
+ "EL2HLT": 112,
+ "EDEADLK": 16,
+ "ENOLCK": 46,
+ "EBADE": 113,
+ "EBADR": 114,
+ "EXFULL": 115,
+ "ENOANO": 104,
+ "EBADRQC": 103,
+ "EBADSLT": 102,
+ "EDEADLOCK": 16,
+ "EBFONT": 101,
+ "ENOSTR": 100,
+ "ENODATA": 116,
+ "ETIME": 117,
+ "ENOSR": 118,
+ "ENONET": 119,
+ "ENOPKG": 120,
+ "EREMOTE": 121,
+ "ENOLINK": 47,
+ "EADV": 122,
+ "ESRMNT": 123,
+ "ECOMM": 124,
+ "EPROTO": 65,
+ "EMULTIHOP": 36,
+ "EDOTDOT": 125,
+ "EBADMSG": 9,
+ "ENOTUNIQ": 126,
+ "EBADFD": 127,
+ "EREMCHG": 128,
+ "ELIBACC": 129,
+ "ELIBBAD": 130,
+ "ELIBSCN": 131,
+ "ELIBMAX": 132,
+ "ELIBEXEC": 133,
+ "ENOSYS": 52,
+ "ENOTEMPTY": 55,
+ "ENAMETOOLONG": 37,
+ "ELOOP": 32,
+ "EOPNOTSUPP": 138,
+ "EPFNOSUPPORT": 139,
+ "ECONNRESET": 15,
+ "ENOBUFS": 42,
+ "EAFNOSUPPORT": 5,
+ "EPROTOTYPE": 67,
+ "ENOTSOCK": 57,
+ "ENOPROTOOPT": 50,
+ "ESHUTDOWN": 140,
+ "ECONNREFUSED": 14,
+ "EADDRINUSE": 3,
+ "ECONNABORTED": 13,
+ "ENETUNREACH": 40,
+ "ENETDOWN": 38,
+ "ETIMEDOUT": 73,
+ "EHOSTDOWN": 142,
+ "EHOSTUNREACH": 23,
+ "EINPROGRESS": 26,
+ "EALREADY": 7,
+ "EDESTADDRREQ": 17,
+ "EMSGSIZE": 35,
+ "EPROTONOSUPPORT": 66,
+ "ESOCKTNOSUPPORT": 137,
+ "EADDRNOTAVAIL": 4,
+ "ENETRESET": 39,
+ "EISCONN": 30,
+ "ENOTCONN": 53,
+ "ETOOMANYREFS": 141,
+ "EUSERS": 136,
+ "EDQUOT": 19,
+ "ESTALE": 72,
+ "ENOTSUP": 138,
+ "ENOMEDIUM": 148,
+ "EILSEQ": 25,
+ "EOVERFLOW": 61,
+ "ECANCELED": 11,
+ "ENOTRECOVERABLE": 56,
+ "EOWNERDEAD": 62,
+ "ESTRPIPE": 135
+};
+
+Module["requestFullscreen"] = function Module_requestFullscreen(lockPointer, resizeCanvas) {
+ Browser.requestFullscreen(lockPointer, resizeCanvas);
+};
+
+Module["requestFullScreen"] = function Module_requestFullScreen() {
+ Browser.requestFullScreen();
+};
+
+Module["requestAnimationFrame"] = function Module_requestAnimationFrame(func) {
+ Browser.requestAnimationFrame(func);
+};
+
+Module["setCanvasSize"] = function Module_setCanvasSize(width, height, noUpdates) {
+ Browser.setCanvasSize(width, height, noUpdates);
+};
+
+Module["pauseMainLoop"] = function Module_pauseMainLoop() {
+ Browser.mainLoop.pause();
+};
+
+Module["resumeMainLoop"] = function Module_resumeMainLoop() {
+ Browser.mainLoop.resume();
+};
+
+Module["getUserMedia"] = function Module_getUserMedia() {
+ Browser.getUserMedia();
+};
+
+Module["createContext"] = function Module_createContext(canvas, useWebGL, setInModule, webGLContextAttributes) {
+ return Browser.createContext(canvas, useWebGL, setInModule, webGLContextAttributes);
+};
+
+var preloadedImages = {};
+
+var preloadedAudios = {};
+
+var GLctx;
+
+var __miniTempWebGLIntBuffersStorage = new Int32Array(288);
+
+for (var i = 0; i < 288; ++i) {
+ __miniTempWebGLIntBuffers[i] = __miniTempWebGLIntBuffersStorage.subarray(0, i + 1);
+}
+
+var miniTempWebGLFloatBuffersStorage = new Float32Array(288);
+
+for (var i = 0; i < 288; ++i) {
+ miniTempWebGLFloatBuffers[i] = miniTempWebGLFloatBuffersStorage.subarray(0, i + 1);
+}
+
+Module["request_quit"] = function() {
+ GodotOS.request_quit();
+};
+
+Module["onExit"] = GodotOS.cleanup;
+
+GodotOS._fs_sync_promise = Promise.resolve();
+
+Module["initConfig"] = GodotConfig.init_config;
+
+Module["initFS"] = GodotFS.init;
+
+Module["copyToFS"] = GodotFS.copy_to_fs;
+
+GodotOS.atexit(function(resolve, reject) {
+ GodotDisplayCursor.clear();
+ resolve();
+});
+
+GodotOS.atexit(function(resolve, reject) {
+ GodotEventListeners.clear();
+ resolve();
+});
+
+GodotOS.atexit(function(resolve, reject) {
+ GodotDisplayVK.clear();
+ resolve();
+});
+
+GodotJSWrapper.proxies = new Map();
+
+var proxiedFunctionTable = [ null, _proc_exit, exitOnMainThread, pthreadCreateProxied, ___syscall__newselect, ___syscall_accept4, ___syscall_bind, ___syscall_chdir, ___syscall_chmod, ___syscall_connect, ___syscall_faccessat, ___syscall_fchmod, ___syscall_fcntl64, ___syscall_getcwd, ___syscall_getdents64, ___syscall_getsockname, ___syscall_getsockopt, ___syscall_ioctl, ___syscall_listen, ___syscall_lstat64, ___syscall_mkdirat, ___syscall_newfstatat, ___syscall_openat, ___syscall_poll, ___syscall_readlinkat, ___syscall_recvfrom, ___syscall_renameat, ___syscall_rmdir, ___syscall_sendto, ___syscall_socket, ___syscall_stat64, ___syscall_statfs64, ___syscall_symlink, ___syscall_unlinkat, __mmap_js, __munmap_js, _tzset_impl, _emscripten_force_exit, _emscripten_webgl_destroy_context, _emscripten_webgl_create_context_proxied, _emscripten_webgl_enable_extension, _environ_get, _environ_sizes_get, _fd_close, _fd_fdstat_get, _fd_read, _fd_seek, _fd_write, _getaddrinfo, _godot_audio_input_start, _godot_audio_input_stop, _godot_audio_is_available, _godot_webgl2_glFramebufferTextureMultiviewOVR, _godot_webxr_get_bounds_geometry, _godot_webxr_get_color_texture, _godot_webxr_get_depth_texture, _godot_webxr_get_frame_rate, _godot_webxr_get_projection_for_view, _godot_webxr_get_render_target_size, _godot_webxr_get_supported_frame_rates, _godot_webxr_get_transform_for_view, _godot_webxr_get_velocity_texture, _godot_webxr_get_view_count, _godot_webxr_get_visibility_state, _godot_webxr_initialize, _godot_webxr_is_session_supported, _godot_webxr_is_supported, _godot_webxr_uninitialize, _godot_webxr_update_input_source, _godot_webxr_update_target_frame_rate ];
+
+var ASSERTIONS = true;
+
+function checkIncomingModuleAPI() {
+ ignoredModuleProp("fetchSettings");
+}
+
+var asmLibraryArg = {
+ "__assert_fail": ___assert_fail,
+ "__call_sighandler": ___call_sighandler,
+ "__emscripten_init_main_thread_js": ___emscripten_init_main_thread_js,
+ "__emscripten_thread_cleanup": ___emscripten_thread_cleanup,
+ "__pthread_create_js": ___pthread_create_js,
+ "__syscall__newselect": ___syscall__newselect,
+ "__syscall_accept4": ___syscall_accept4,
+ "__syscall_bind": ___syscall_bind,
+ "__syscall_chdir": ___syscall_chdir,
+ "__syscall_chmod": ___syscall_chmod,
+ "__syscall_connect": ___syscall_connect,
+ "__syscall_faccessat": ___syscall_faccessat,
+ "__syscall_fchmod": ___syscall_fchmod,
+ "__syscall_fcntl64": ___syscall_fcntl64,
+ "__syscall_getcwd": ___syscall_getcwd,
+ "__syscall_getdents64": ___syscall_getdents64,
+ "__syscall_getsockname": ___syscall_getsockname,
+ "__syscall_getsockopt": ___syscall_getsockopt,
+ "__syscall_ioctl": ___syscall_ioctl,
+ "__syscall_listen": ___syscall_listen,
+ "__syscall_lstat64": ___syscall_lstat64,
+ "__syscall_mkdirat": ___syscall_mkdirat,
+ "__syscall_newfstatat": ___syscall_newfstatat,
+ "__syscall_openat": ___syscall_openat,
+ "__syscall_poll": ___syscall_poll,
+ "__syscall_readlinkat": ___syscall_readlinkat,
+ "__syscall_recvfrom": ___syscall_recvfrom,
+ "__syscall_renameat": ___syscall_renameat,
+ "__syscall_rmdir": ___syscall_rmdir,
+ "__syscall_sendto": ___syscall_sendto,
+ "__syscall_socket": ___syscall_socket,
+ "__syscall_stat64": ___syscall_stat64,
+ "__syscall_statfs64": ___syscall_statfs64,
+ "__syscall_symlink": ___syscall_symlink,
+ "__syscall_unlinkat": ___syscall_unlinkat,
+ "_dlinit": __dlinit,
+ "_dlopen_js": __dlopen_js,
+ "_dlsym_js": __dlsym_js,
+ "_emscripten_date_now": __emscripten_date_now,
+ "_emscripten_default_pthread_stack_size": __emscripten_default_pthread_stack_size,
+ "_emscripten_get_now_is_monotonic": __emscripten_get_now_is_monotonic,
+ "_emscripten_notify_task_queue": __emscripten_notify_task_queue,
+ "_emscripten_proxied_gl_context_activated_from_main_browser_thread": __emscripten_proxied_gl_context_activated_from_main_browser_thread,
+ "_emscripten_set_offscreencanvas_size": __emscripten_set_offscreencanvas_size,
+ "_emscripten_throw_longjmp": __emscripten_throw_longjmp,
+ "_gmtime_js": __gmtime_js,
+ "_localtime_js": __localtime_js,
+ "_mmap_js": __mmap_js,
+ "_munmap_js": __munmap_js,
+ "_tzset_js": __tzset_js,
+ "abort": _abort,
+ "emscripten_cancel_main_loop": _emscripten_cancel_main_loop,
+ "emscripten_check_blocking_allowed": _emscripten_check_blocking_allowed,
+ "emscripten_console_error": _emscripten_console_error,
+ "emscripten_force_exit": _emscripten_force_exit,
+ "emscripten_get_now": _emscripten_get_now,
+ "emscripten_glActiveTexture": _emscripten_glActiveTexture,
+ "emscripten_glAttachShader": _emscripten_glAttachShader,
+ "emscripten_glBeginTransformFeedback": _emscripten_glBeginTransformFeedback,
+ "emscripten_glBindBuffer": _emscripten_glBindBuffer,
+ "emscripten_glBindBufferBase": _emscripten_glBindBufferBase,
+ "emscripten_glBindBufferRange": _emscripten_glBindBufferRange,
+ "emscripten_glBindFramebuffer": _emscripten_glBindFramebuffer,
+ "emscripten_glBindRenderbuffer": _emscripten_glBindRenderbuffer,
+ "emscripten_glBindTexture": _emscripten_glBindTexture,
+ "emscripten_glBindVertexArray": _emscripten_glBindVertexArray,
+ "emscripten_glBlendColor": _emscripten_glBlendColor,
+ "emscripten_glBlendEquation": _emscripten_glBlendEquation,
+ "emscripten_glBlendFunc": _emscripten_glBlendFunc,
+ "emscripten_glBlendFuncSeparate": _emscripten_glBlendFuncSeparate,
+ "emscripten_glBlitFramebuffer": _emscripten_glBlitFramebuffer,
+ "emscripten_glBufferData": _emscripten_glBufferData,
+ "emscripten_glBufferSubData": _emscripten_glBufferSubData,
+ "emscripten_glCheckFramebufferStatus": _emscripten_glCheckFramebufferStatus,
+ "emscripten_glClear": _emscripten_glClear,
+ "emscripten_glClearBufferfv": _emscripten_glClearBufferfv,
+ "emscripten_glClearColor": _emscripten_glClearColor,
+ "emscripten_glClearDepthf": _emscripten_glClearDepthf,
+ "emscripten_glColorMask": _emscripten_glColorMask,
+ "emscripten_glCompileShader": _emscripten_glCompileShader,
+ "emscripten_glCompressedTexImage2D": _emscripten_glCompressedTexImage2D,
+ "emscripten_glCopyBufferSubData": _emscripten_glCopyBufferSubData,
+ "emscripten_glCreateProgram": _emscripten_glCreateProgram,
+ "emscripten_glCreateShader": _emscripten_glCreateShader,
+ "emscripten_glCullFace": _emscripten_glCullFace,
+ "emscripten_glDeleteBuffers": _emscripten_glDeleteBuffers,
+ "emscripten_glDeleteFramebuffers": _emscripten_glDeleteFramebuffers,
+ "emscripten_glDeleteProgram": _emscripten_glDeleteProgram,
+ "emscripten_glDeleteQueries": _emscripten_glDeleteQueries,
+ "emscripten_glDeleteRenderbuffers": _emscripten_glDeleteRenderbuffers,
+ "emscripten_glDeleteShader": _emscripten_glDeleteShader,
+ "emscripten_glDeleteSync": _emscripten_glDeleteSync,
+ "emscripten_glDeleteTextures": _emscripten_glDeleteTextures,
+ "emscripten_glDeleteVertexArrays": _emscripten_glDeleteVertexArrays,
+ "emscripten_glDepthFunc": _emscripten_glDepthFunc,
+ "emscripten_glDepthMask": _emscripten_glDepthMask,
+ "emscripten_glDisable": _emscripten_glDisable,
+ "emscripten_glDisableVertexAttribArray": _emscripten_glDisableVertexAttribArray,
+ "emscripten_glDrawArrays": _emscripten_glDrawArrays,
+ "emscripten_glDrawArraysInstanced": _emscripten_glDrawArraysInstanced,
+ "emscripten_glDrawElements": _emscripten_glDrawElements,
+ "emscripten_glDrawElementsInstanced": _emscripten_glDrawElementsInstanced,
+ "emscripten_glEnable": _emscripten_glEnable,
+ "emscripten_glEnableVertexAttribArray": _emscripten_glEnableVertexAttribArray,
+ "emscripten_glEndTransformFeedback": _emscripten_glEndTransformFeedback,
+ "emscripten_glFenceSync": _emscripten_glFenceSync,
+ "emscripten_glFinish": _emscripten_glFinish,
+ "emscripten_glFramebufferRenderbuffer": _emscripten_glFramebufferRenderbuffer,
+ "emscripten_glFramebufferTexture2D": _emscripten_glFramebufferTexture2D,
+ "emscripten_glFramebufferTextureLayer": _emscripten_glFramebufferTextureLayer,
+ "emscripten_glFrontFace": _emscripten_glFrontFace,
+ "emscripten_glGenBuffers": _emscripten_glGenBuffers,
+ "emscripten_glGenFramebuffers": _emscripten_glGenFramebuffers,
+ "emscripten_glGenQueries": _emscripten_glGenQueries,
+ "emscripten_glGenRenderbuffers": _emscripten_glGenRenderbuffers,
+ "emscripten_glGenTextures": _emscripten_glGenTextures,
+ "emscripten_glGenVertexArrays": _emscripten_glGenVertexArrays,
+ "emscripten_glGenerateMipmap": _emscripten_glGenerateMipmap,
+ "emscripten_glGetFloatv": _emscripten_glGetFloatv,
+ "emscripten_glGetIntegerv": _emscripten_glGetIntegerv,
+ "emscripten_glGetProgramInfoLog": _emscripten_glGetProgramInfoLog,
+ "emscripten_glGetProgramiv": _emscripten_glGetProgramiv,
+ "emscripten_glGetShaderInfoLog": _emscripten_glGetShaderInfoLog,
+ "emscripten_glGetShaderiv": _emscripten_glGetShaderiv,
+ "emscripten_glGetString": _emscripten_glGetString,
+ "emscripten_glGetStringi": _emscripten_glGetStringi,
+ "emscripten_glGetSynciv": _emscripten_glGetSynciv,
+ "emscripten_glGetUniformBlockIndex": _emscripten_glGetUniformBlockIndex,
+ "emscripten_glGetUniformLocation": _emscripten_glGetUniformLocation,
+ "emscripten_glLinkProgram": _emscripten_glLinkProgram,
+ "emscripten_glPixelStorei": _emscripten_glPixelStorei,
+ "emscripten_glReadBuffer": _emscripten_glReadBuffer,
+ "emscripten_glReadPixels": _emscripten_glReadPixels,
+ "emscripten_glRenderbufferStorage": _emscripten_glRenderbufferStorage,
+ "emscripten_glScissor": _emscripten_glScissor,
+ "emscripten_glShaderSource": _emscripten_glShaderSource,
+ "emscripten_glTexImage2D": _emscripten_glTexImage2D,
+ "emscripten_glTexImage3D": _emscripten_glTexImage3D,
+ "emscripten_glTexParameterf": _emscripten_glTexParameterf,
+ "emscripten_glTexParameteri": _emscripten_glTexParameteri,
+ "emscripten_glTexStorage2D": _emscripten_glTexStorage2D,
+ "emscripten_glTexSubImage3D": _emscripten_glTexSubImage3D,
+ "emscripten_glTransformFeedbackVaryings": _emscripten_glTransformFeedbackVaryings,
+ "emscripten_glUniform1f": _emscripten_glUniform1f,
+ "emscripten_glUniform1i": _emscripten_glUniform1i,
+ "emscripten_glUniform1iv": _emscripten_glUniform1iv,
+ "emscripten_glUniform1ui": _emscripten_glUniform1ui,
+ "emscripten_glUniform1uiv": _emscripten_glUniform1uiv,
+ "emscripten_glUniform2f": _emscripten_glUniform2f,
+ "emscripten_glUniform2fv": _emscripten_glUniform2fv,
+ "emscripten_glUniform2iv": _emscripten_glUniform2iv,
+ "emscripten_glUniform3fv": _emscripten_glUniform3fv,
+ "emscripten_glUniform4f": _emscripten_glUniform4f,
+ "emscripten_glUniform4fv": _emscripten_glUniform4fv,
+ "emscripten_glUniformBlockBinding": _emscripten_glUniformBlockBinding,
+ "emscripten_glUniformMatrix4fv": _emscripten_glUniformMatrix4fv,
+ "emscripten_glUseProgram": _emscripten_glUseProgram,
+ "emscripten_glVertexAttrib4f": _emscripten_glVertexAttrib4f,
+ "emscripten_glVertexAttribDivisor": _emscripten_glVertexAttribDivisor,
+ "emscripten_glVertexAttribIPointer": _emscripten_glVertexAttribIPointer,
+ "emscripten_glVertexAttribPointer": _emscripten_glVertexAttribPointer,
+ "emscripten_glViewport": _emscripten_glViewport,
+ "emscripten_memcpy_big": _emscripten_memcpy_big,
+ "emscripten_num_logical_cores": _emscripten_num_logical_cores,
+ "emscripten_receive_on_main_thread_js": _emscripten_receive_on_main_thread_js,
+ "emscripten_resize_heap": _emscripten_resize_heap,
+ "emscripten_set_main_loop": _emscripten_set_main_loop,
+ "emscripten_supports_offscreencanvas": _emscripten_supports_offscreencanvas,
+ "emscripten_unwind_to_js_event_loop": _emscripten_unwind_to_js_event_loop,
+ "emscripten_webgl_destroy_context": _emscripten_webgl_destroy_context,
+ "emscripten_webgl_do_commit_frame": _emscripten_webgl_do_commit_frame,
+ "emscripten_webgl_do_create_context": _emscripten_webgl_do_create_context,
+ "emscripten_webgl_enable_extension": _emscripten_webgl_enable_extension,
+ "emscripten_webgl_init_context_attributes": _emscripten_webgl_init_context_attributes,
+ "emscripten_webgl_make_context_current_calling_thread": _emscripten_webgl_make_context_current_calling_thread,
+ "environ_get": _environ_get,
+ "environ_sizes_get": _environ_sizes_get,
+ "exit": _exit,
+ "fd_close": _fd_close,
+ "fd_fdstat_get": _fd_fdstat_get,
+ "fd_read": _fd_read,
+ "fd_seek": _fd_seek,
+ "fd_write": _fd_write,
+ "getTempRet0": _getTempRet0,
+ "getaddrinfo": _getaddrinfo,
+ "getnameinfo": _getnameinfo,
+ "glGetBufferSubData": _glGetBufferSubData,
+ "godot_audio_has_worklet": _godot_audio_has_worklet,
+ "godot_audio_init": _godot_audio_init,
+ "godot_audio_input_start": _godot_audio_input_start,
+ "godot_audio_input_stop": _godot_audio_input_stop,
+ "godot_audio_is_available": _godot_audio_is_available,
+ "godot_audio_resume": _godot_audio_resume,
+ "godot_audio_worklet_create": _godot_audio_worklet_create,
+ "godot_audio_worklet_start": _godot_audio_worklet_start,
+ "godot_audio_worklet_state_add": _godot_audio_worklet_state_add,
+ "godot_audio_worklet_state_get": _godot_audio_worklet_state_get,
+ "godot_audio_worklet_state_wait": _godot_audio_worklet_state_wait,
+ "godot_js_config_canvas_id_get": _godot_js_config_canvas_id_get,
+ "godot_js_config_locale_get": _godot_js_config_locale_get,
+ "godot_js_display_alert": _godot_js_display_alert,
+ "godot_js_display_canvas_focus": _godot_js_display_canvas_focus,
+ "godot_js_display_canvas_is_focused": _godot_js_display_canvas_is_focused,
+ "godot_js_display_clipboard_get": _godot_js_display_clipboard_get,
+ "godot_js_display_clipboard_set": _godot_js_display_clipboard_set,
+ "godot_js_display_cursor_is_hidden": _godot_js_display_cursor_is_hidden,
+ "godot_js_display_cursor_is_locked": _godot_js_display_cursor_is_locked,
+ "godot_js_display_cursor_lock_set": _godot_js_display_cursor_lock_set,
+ "godot_js_display_cursor_set_custom_shape": _godot_js_display_cursor_set_custom_shape,
+ "godot_js_display_cursor_set_shape": _godot_js_display_cursor_set_shape,
+ "godot_js_display_cursor_set_visible": _godot_js_display_cursor_set_visible,
+ "godot_js_display_desired_size_set": _godot_js_display_desired_size_set,
+ "godot_js_display_fullscreen_cb": _godot_js_display_fullscreen_cb,
+ "godot_js_display_fullscreen_exit": _godot_js_display_fullscreen_exit,
+ "godot_js_display_fullscreen_request": _godot_js_display_fullscreen_request,
+ "godot_js_display_has_webgl": _godot_js_display_has_webgl,
+ "godot_js_display_is_swap_ok_cancel": _godot_js_display_is_swap_ok_cancel,
+ "godot_js_display_notification_cb": _godot_js_display_notification_cb,
+ "godot_js_display_pixel_ratio_get": _godot_js_display_pixel_ratio_get,
+ "godot_js_display_screen_dpi_get": _godot_js_display_screen_dpi_get,
+ "godot_js_display_screen_size_get": _godot_js_display_screen_size_get,
+ "godot_js_display_setup_canvas": _godot_js_display_setup_canvas,
+ "godot_js_display_size_update": _godot_js_display_size_update,
+ "godot_js_display_touchscreen_is_available": _godot_js_display_touchscreen_is_available,
+ "godot_js_display_tts_available": _godot_js_display_tts_available,
+ "godot_js_display_vk_available": _godot_js_display_vk_available,
+ "godot_js_display_vk_cb": _godot_js_display_vk_cb,
+ "godot_js_display_vk_hide": _godot_js_display_vk_hide,
+ "godot_js_display_vk_show": _godot_js_display_vk_show,
+ "godot_js_display_window_blur_cb": _godot_js_display_window_blur_cb,
+ "godot_js_display_window_icon_set": _godot_js_display_window_icon_set,
+ "godot_js_display_window_size_get": _godot_js_display_window_size_get,
+ "godot_js_display_window_title_set": _godot_js_display_window_title_set,
+ "godot_js_eval": _godot_js_eval,
+ "godot_js_fetch_body_length_get": _godot_js_fetch_body_length_get,
+ "godot_js_fetch_create": _godot_js_fetch_create,
+ "godot_js_fetch_free": _godot_js_fetch_free,
+ "godot_js_fetch_http_status_get": _godot_js_fetch_http_status_get,
+ "godot_js_fetch_is_chunked": _godot_js_fetch_is_chunked,
+ "godot_js_fetch_read_chunk": _godot_js_fetch_read_chunk,
+ "godot_js_fetch_read_headers": _godot_js_fetch_read_headers,
+ "godot_js_fetch_state_get": _godot_js_fetch_state_get,
+ "godot_js_input_drop_files_cb": _godot_js_input_drop_files_cb,
+ "godot_js_input_gamepad_cb": _godot_js_input_gamepad_cb,
+ "godot_js_input_gamepad_sample": _godot_js_input_gamepad_sample,
+ "godot_js_input_gamepad_sample_count": _godot_js_input_gamepad_sample_count,
+ "godot_js_input_gamepad_sample_get": _godot_js_input_gamepad_sample_get,
+ "godot_js_input_key_cb": _godot_js_input_key_cb,
+ "godot_js_input_mouse_button_cb": _godot_js_input_mouse_button_cb,
+ "godot_js_input_mouse_move_cb": _godot_js_input_mouse_move_cb,
+ "godot_js_input_mouse_wheel_cb": _godot_js_input_mouse_wheel_cb,
+ "godot_js_input_paste_cb": _godot_js_input_paste_cb,
+ "godot_js_input_touch_cb": _godot_js_input_touch_cb,
+ "godot_js_input_vibrate_handheld": _godot_js_input_vibrate_handheld,
+ "godot_js_os_download_buffer": _godot_js_os_download_buffer,
+ "godot_js_os_execute": _godot_js_os_execute,
+ "godot_js_os_finish_async": _godot_js_os_finish_async,
+ "godot_js_os_fs_is_persistent": _godot_js_os_fs_is_persistent,
+ "godot_js_os_fs_sync": _godot_js_os_fs_sync,
+ "godot_js_os_has_feature": _godot_js_os_has_feature,
+ "godot_js_os_hw_concurrency_get": _godot_js_os_hw_concurrency_get,
+ "godot_js_os_request_quit_cb": _godot_js_os_request_quit_cb,
+ "godot_js_os_shell_open": _godot_js_os_shell_open,
+ "godot_js_pwa_cb": _godot_js_pwa_cb,
+ "godot_js_pwa_update": _godot_js_pwa_update,
+ "godot_js_rtc_datachannel_close": _godot_js_rtc_datachannel_close,
+ "godot_js_rtc_datachannel_connect": _godot_js_rtc_datachannel_connect,
+ "godot_js_rtc_datachannel_destroy": _godot_js_rtc_datachannel_destroy,
+ "godot_js_rtc_datachannel_get_buffered_amount": _godot_js_rtc_datachannel_get_buffered_amount,
+ "godot_js_rtc_datachannel_id_get": _godot_js_rtc_datachannel_id_get,
+ "godot_js_rtc_datachannel_is_negotiated": _godot_js_rtc_datachannel_is_negotiated,
+ "godot_js_rtc_datachannel_is_ordered": _godot_js_rtc_datachannel_is_ordered,
+ "godot_js_rtc_datachannel_label_get": _godot_js_rtc_datachannel_label_get,
+ "godot_js_rtc_datachannel_max_packet_lifetime_get": _godot_js_rtc_datachannel_max_packet_lifetime_get,
+ "godot_js_rtc_datachannel_max_retransmits_get": _godot_js_rtc_datachannel_max_retransmits_get,
+ "godot_js_rtc_datachannel_protocol_get": _godot_js_rtc_datachannel_protocol_get,
+ "godot_js_rtc_datachannel_ready_state_get": _godot_js_rtc_datachannel_ready_state_get,
+ "godot_js_rtc_datachannel_send": _godot_js_rtc_datachannel_send,
+ "godot_js_rtc_pc_close": _godot_js_rtc_pc_close,
+ "godot_js_rtc_pc_create": _godot_js_rtc_pc_create,
+ "godot_js_rtc_pc_datachannel_create": _godot_js_rtc_pc_datachannel_create,
+ "godot_js_rtc_pc_destroy": _godot_js_rtc_pc_destroy,
+ "godot_js_rtc_pc_ice_candidate_add": _godot_js_rtc_pc_ice_candidate_add,
+ "godot_js_rtc_pc_local_description_set": _godot_js_rtc_pc_local_description_set,
+ "godot_js_rtc_pc_offer_create": _godot_js_rtc_pc_offer_create,
+ "godot_js_rtc_pc_remote_description_set": _godot_js_rtc_pc_remote_description_set,
+ "godot_js_tts_get_voices": _godot_js_tts_get_voices,
+ "godot_js_tts_is_paused": _godot_js_tts_is_paused,
+ "godot_js_tts_is_speaking": _godot_js_tts_is_speaking,
+ "godot_js_tts_pause": _godot_js_tts_pause,
+ "godot_js_tts_resume": _godot_js_tts_resume,
+ "godot_js_tts_speak": _godot_js_tts_speak,
+ "godot_js_tts_stop": _godot_js_tts_stop,
+ "godot_js_websocket_buffered_amount": _godot_js_websocket_buffered_amount,
+ "godot_js_websocket_close": _godot_js_websocket_close,
+ "godot_js_websocket_create": _godot_js_websocket_create,
+ "godot_js_websocket_destroy": _godot_js_websocket_destroy,
+ "godot_js_websocket_send": _godot_js_websocket_send,
+ "godot_js_wrapper_create_cb": _godot_js_wrapper_create_cb,
+ "godot_js_wrapper_create_object": _godot_js_wrapper_create_object,
+ "godot_js_wrapper_interface_get": _godot_js_wrapper_interface_get,
+ "godot_js_wrapper_object_call": _godot_js_wrapper_object_call,
+ "godot_js_wrapper_object_get": _godot_js_wrapper_object_get,
+ "godot_js_wrapper_object_getvar": _godot_js_wrapper_object_getvar,
+ "godot_js_wrapper_object_set": _godot_js_wrapper_object_set,
+ "godot_js_wrapper_object_set_cb_ret": _godot_js_wrapper_object_set_cb_ret,
+ "godot_js_wrapper_object_setvar": _godot_js_wrapper_object_setvar,
+ "godot_js_wrapper_object_unref": _godot_js_wrapper_object_unref,
+ "godot_webgl2_glFramebufferTextureMultiviewOVR": _godot_webgl2_glFramebufferTextureMultiviewOVR,
+ "godot_webxr_get_bounds_geometry": _godot_webxr_get_bounds_geometry,
+ "godot_webxr_get_color_texture": _godot_webxr_get_color_texture,
+ "godot_webxr_get_depth_texture": _godot_webxr_get_depth_texture,
+ "godot_webxr_get_frame_rate": _godot_webxr_get_frame_rate,
+ "godot_webxr_get_projection_for_view": _godot_webxr_get_projection_for_view,
+ "godot_webxr_get_render_target_size": _godot_webxr_get_render_target_size,
+ "godot_webxr_get_supported_frame_rates": _godot_webxr_get_supported_frame_rates,
+ "godot_webxr_get_transform_for_view": _godot_webxr_get_transform_for_view,
+ "godot_webxr_get_velocity_texture": _godot_webxr_get_velocity_texture,
+ "godot_webxr_get_view_count": _godot_webxr_get_view_count,
+ "godot_webxr_get_visibility_state": _godot_webxr_get_visibility_state,
+ "godot_webxr_initialize": _godot_webxr_initialize,
+ "godot_webxr_is_session_supported": _godot_webxr_is_session_supported,
+ "godot_webxr_is_supported": _godot_webxr_is_supported,
+ "godot_webxr_uninitialize": _godot_webxr_uninitialize,
+ "godot_webxr_update_input_source": _godot_webxr_update_input_source,
+ "godot_webxr_update_target_frame_rate": _godot_webxr_update_target_frame_rate,
+ "invoke_ii": invoke_ii,
+ "invoke_iii": invoke_iii,
+ "invoke_iiii": invoke_iiii,
+ "invoke_iiiii": invoke_iiiii,
+ "invoke_iiiiiii": invoke_iiiiiii,
+ "invoke_vi": invoke_vi,
+ "invoke_vii": invoke_vii,
+ "invoke_viii": invoke_viii,
+ "invoke_viiii": invoke_viiii,
+ "invoke_viiiiiii": invoke_viiiiiii,
+ "memory": wasmMemory || Module["wasmMemory"],
+ "setTempRet0": _setTempRet0,
+ "strftime": _strftime,
+ "strftime_l": _strftime_l
+};
+
+var asm = createWasm();
+
+var ___wasm_call_ctors = Module["___wasm_call_ctors"] = createExportWrapper("__wasm_call_ctors");
+
+var _emscripten_webgl_make_context_current = Module["_emscripten_webgl_make_context_current"] = createExportWrapper("emscripten_webgl_make_context_current");
+
+var _emscripten_webgl_commit_frame = Module["_emscripten_webgl_commit_frame"] = createExportWrapper("emscripten_webgl_commit_frame");
+
+var _free = Module["_free"] = createExportWrapper("free");
+
+var __Z14godot_web_mainiPPc = Module["__Z14godot_web_mainiPPc"] = createExportWrapper("_Z14godot_web_mainiPPc");
+
+var _main = Module["_main"] = createExportWrapper("__main_argc_argv");
+
+var _malloc = Module["_malloc"] = createExportWrapper("malloc");
+
+var _htonl = Module["_htonl"] = createExportWrapper("htonl");
+
+var _htons = Module["_htons"] = createExportWrapper("htons");
+
+var _ntohs = Module["_ntohs"] = createExportWrapper("ntohs");
+
+var ___errno_location = Module["___errno_location"] = createExportWrapper("__errno_location");
+
+var _fflush = Module["_fflush"] = createExportWrapper("fflush");
+
+var __emwebxr_on_input_event = Module["__emwebxr_on_input_event"] = createExportWrapper("_emwebxr_on_input_event");
+
+var __emwebxr_on_simple_event = Module["__emwebxr_on_simple_event"] = createExportWrapper("_emwebxr_on_simple_event");
+
+var __emscripten_tls_init = Module["__emscripten_tls_init"] = createExportWrapper("_emscripten_tls_init");
+
+var _pthread_self = Module["_pthread_self"] = createExportWrapper("pthread_self");
+
+var _emscripten_builtin_memalign = Module["_emscripten_builtin_memalign"] = createExportWrapper("emscripten_builtin_memalign");
+
+var _emscripten_webgl_get_current_context = Module["_emscripten_webgl_get_current_context"] = createExportWrapper("emscripten_webgl_get_current_context");
+
+var _emscripten_dispatch_to_thread_ = Module["_emscripten_dispatch_to_thread_"] = createExportWrapper("emscripten_dispatch_to_thread_");
+
+var ___funcs_on_exit = Module["___funcs_on_exit"] = createExportWrapper("__funcs_on_exit");
+
+var ___dl_seterr = Module["___dl_seterr"] = createExportWrapper("__dl_seterr");
+
+var __emscripten_thread_init = Module["__emscripten_thread_init"] = createExportWrapper("_emscripten_thread_init");
+
+var __emscripten_thread_crashed = Module["__emscripten_thread_crashed"] = createExportWrapper("_emscripten_thread_crashed");
+
+var _emscripten_main_thread_process_queued_calls = Module["_emscripten_main_thread_process_queued_calls"] = createExportWrapper("emscripten_main_thread_process_queued_calls");
+
+var _raise = Module["_raise"] = createExportWrapper("raise");
+
+var _emscripten_main_browser_thread_id = Module["_emscripten_main_browser_thread_id"] = createExportWrapper("emscripten_main_browser_thread_id");
+
+var _emscripten_run_in_main_runtime_thread_js = Module["_emscripten_run_in_main_runtime_thread_js"] = createExportWrapper("emscripten_run_in_main_runtime_thread_js");
+
+var _emscripten_stack_get_base = Module["_emscripten_stack_get_base"] = function() {
+ return (_emscripten_stack_get_base = Module["_emscripten_stack_get_base"] = Module["asm"]["emscripten_stack_get_base"]).apply(null, arguments);
+};
+
+var _emscripten_stack_get_end = Module["_emscripten_stack_get_end"] = function() {
+ return (_emscripten_stack_get_end = Module["_emscripten_stack_get_end"] = Module["asm"]["emscripten_stack_get_end"]).apply(null, arguments);
+};
+
+var __emscripten_proxy_execute_task_queue = Module["__emscripten_proxy_execute_task_queue"] = createExportWrapper("_emscripten_proxy_execute_task_queue");
+
+var __emscripten_thread_free_data = Module["__emscripten_thread_free_data"] = createExportWrapper("_emscripten_thread_free_data");
+
+var __emscripten_thread_exit = Module["__emscripten_thread_exit"] = createExportWrapper("_emscripten_thread_exit");
+
+var _setThrew = Module["_setThrew"] = createExportWrapper("setThrew");
+
+var _saveSetjmp = Module["_saveSetjmp"] = createExportWrapper("saveSetjmp");
+
+var _emscripten_stack_init = Module["_emscripten_stack_init"] = function() {
+ return (_emscripten_stack_init = Module["_emscripten_stack_init"] = Module["asm"]["emscripten_stack_init"]).apply(null, arguments);
+};
+
+var _emscripten_stack_set_limits = Module["_emscripten_stack_set_limits"] = function() {
+ return (_emscripten_stack_set_limits = Module["_emscripten_stack_set_limits"] = Module["asm"]["emscripten_stack_set_limits"]).apply(null, arguments);
+};
+
+var _emscripten_stack_get_free = Module["_emscripten_stack_get_free"] = function() {
+ return (_emscripten_stack_get_free = Module["_emscripten_stack_get_free"] = Module["asm"]["emscripten_stack_get_free"]).apply(null, arguments);
+};
+
+var stackSave = Module["stackSave"] = createExportWrapper("stackSave");
+
+var stackRestore = Module["stackRestore"] = createExportWrapper("stackRestore");
+
+var stackAlloc = Module["stackAlloc"] = createExportWrapper("stackAlloc");
+
+var dynCall_vjiii = Module["dynCall_vjiii"] = createExportWrapper("dynCall_vjiii");
+
+var dynCall_vij = Module["dynCall_vij"] = createExportWrapper("dynCall_vij");
+
+var dynCall_ji = Module["dynCall_ji"] = createExportWrapper("dynCall_ji");
+
+var dynCall_viiij = Module["dynCall_viiij"] = createExportWrapper("dynCall_viiij");
+
+var dynCall_jii = Module["dynCall_jii"] = createExportWrapper("dynCall_jii");
+
+var dynCall_viij = Module["dynCall_viij"] = createExportWrapper("dynCall_viij");
+
+var dynCall_jiji = Module["dynCall_jiji"] = createExportWrapper("dynCall_jiji");
+
+var dynCall_viiiiifiijii = Module["dynCall_viiiiifiijii"] = createExportWrapper("dynCall_viiiiifiijii");
+
+var dynCall_viiiiifiiijjii = Module["dynCall_viiiiifiiijjii"] = createExportWrapper("dynCall_viiiiifiiijjii");
+
+var dynCall_viiiiifiiijii = Module["dynCall_viiiiifiiijii"] = createExportWrapper("dynCall_viiiiifiiijii");
+
+var dynCall_viiiiifiiiijjii = Module["dynCall_viiiiifiiiijjii"] = createExportWrapper("dynCall_viiiiifiiiijjii");
+
+var dynCall_jiifff = Module["dynCall_jiifff"] = createExportWrapper("dynCall_jiifff");
+
+var dynCall_vijf = Module["dynCall_vijf"] = createExportWrapper("dynCall_vijf");
+
+var dynCall_iij = Module["dynCall_iij"] = createExportWrapper("dynCall_iij");
+
+var dynCall_vijiii = Module["dynCall_vijiii"] = createExportWrapper("dynCall_vijiii");
+
+var dynCall_vijiiii = Module["dynCall_vijiiii"] = createExportWrapper("dynCall_vijiiii");
+
+var dynCall_vijii = Module["dynCall_vijii"] = createExportWrapper("dynCall_vijii");
+
+var dynCall_viiiiij = Module["dynCall_viiiiij"] = createExportWrapper("dynCall_viiiiij");
+
+var dynCall_viiiiiji = Module["dynCall_viiiiiji"] = createExportWrapper("dynCall_viiiiiji");
+
+var dynCall_viiijii = Module["dynCall_viiijii"] = createExportWrapper("dynCall_viiijii");
+
+var dynCall_vijiiiiiidddd = Module["dynCall_vijiiiiiidddd"] = createExportWrapper("dynCall_vijiiiiiidddd");
+
+var dynCall_jij = Module["dynCall_jij"] = createExportWrapper("dynCall_jij");
+
+var dynCall_jiiii = Module["dynCall_jiiii"] = createExportWrapper("dynCall_jiiii");
+
+var dynCall_jiij = Module["dynCall_jiij"] = createExportWrapper("dynCall_jiij");
+
+var dynCall_jiijiiii = Module["dynCall_jiijiiii"] = createExportWrapper("dynCall_jiijiiii");
+
+var dynCall_jiii = Module["dynCall_jiii"] = createExportWrapper("dynCall_jiii");
+
+var dynCall_jiiji = Module["dynCall_jiiji"] = createExportWrapper("dynCall_jiiji");
+
+var dynCall_jiiiji = Module["dynCall_jiiiji"] = createExportWrapper("dynCall_jiiiji");
+
+var dynCall_jiijii = Module["dynCall_jiijii"] = createExportWrapper("dynCall_jiijii");
+
+var dynCall_iijiiij = Module["dynCall_iijiiij"] = createExportWrapper("dynCall_iijiiij");
+
+var dynCall_jijjjiiiiijii = Module["dynCall_jijjjiiiiijii"] = createExportWrapper("dynCall_jijjjiiiiijii");
+
+var dynCall_jijiiiiifiii = Module["dynCall_jijiiiiifiii"] = createExportWrapper("dynCall_jijiiiiifiii");
+
+var dynCall_viijiiiiiifiii = Module["dynCall_viijiiiiiifiii"] = createExportWrapper("dynCall_viijiiiiiifiii");
+
+var dynCall_jiiiiiii = Module["dynCall_jiiiiiii"] = createExportWrapper("dynCall_jiiiiiii");
+
+var dynCall_viji = Module["dynCall_viji"] = createExportWrapper("dynCall_viji");
+
+var dynCall_viiji = Module["dynCall_viiji"] = createExportWrapper("dynCall_viiji");
+
+var dynCall_viiiij = Module["dynCall_viiiij"] = createExportWrapper("dynCall_viiiij");
+
+var dynCall_vijj = Module["dynCall_vijj"] = createExportWrapper("dynCall_vijj");
+
+var dynCall_vijji = Module["dynCall_vijji"] = createExportWrapper("dynCall_vijji");
+
+var dynCall_vijjii = Module["dynCall_vijjii"] = createExportWrapper("dynCall_vijjii");
+
+var dynCall_fij = Module["dynCall_fij"] = createExportWrapper("dynCall_fij");
+
+var dynCall_vijiffifff = Module["dynCall_vijiffifff"] = createExportWrapper("dynCall_vijiffifff");
+
+var dynCall_vijff = Module["dynCall_vijff"] = createExportWrapper("dynCall_vijff");
+
+var dynCall_vijiffff = Module["dynCall_vijiffff"] = createExportWrapper("dynCall_vijiffff");
+
+var dynCall_vijjf = Module["dynCall_vijjf"] = createExportWrapper("dynCall_vijjf");
+
+var dynCall_vijij = Module["dynCall_vijij"] = createExportWrapper("dynCall_vijij");
+
+var dynCall_vijif = Module["dynCall_vijif"] = createExportWrapper("dynCall_vijif");
+
+var dynCall_vijiiifi = Module["dynCall_vijiiifi"] = createExportWrapper("dynCall_vijiiifi");
+
+var dynCall_vijiifi = Module["dynCall_vijiifi"] = createExportWrapper("dynCall_vijiifi");
+
+var dynCall_vijiif = Module["dynCall_vijiif"] = createExportWrapper("dynCall_vijiif");
+
+var dynCall_vijifi = Module["dynCall_vijifi"] = createExportWrapper("dynCall_vijifi");
+
+var dynCall_vijijiii = Module["dynCall_vijijiii"] = createExportWrapper("dynCall_vijijiii");
+
+var dynCall_vijijiiii = Module["dynCall_vijijiiii"] = createExportWrapper("dynCall_vijijiiii");
+
+var dynCall_vijijiiiff = Module["dynCall_vijijiiiff"] = createExportWrapper("dynCall_vijijiiiff");
+
+var dynCall_vijijii = Module["dynCall_vijijii"] = createExportWrapper("dynCall_vijijii");
+
+var dynCall_vijiijiiiiii = Module["dynCall_vijiijiiiiii"] = createExportWrapper("dynCall_vijiijiiiiii");
+
+var dynCall_vijiiij = Module["dynCall_vijiiij"] = createExportWrapper("dynCall_vijiiij");
+
+var dynCall_vijiiiiiiji = Module["dynCall_vijiiiiiiji"] = createExportWrapper("dynCall_vijiiiiiiji");
+
+var dynCall_vijjj = Module["dynCall_vijjj"] = createExportWrapper("dynCall_vijjj");
+
+var dynCall_vijdddd = Module["dynCall_vijdddd"] = createExportWrapper("dynCall_vijdddd");
+
+var dynCall_vijififi = Module["dynCall_vijififi"] = createExportWrapper("dynCall_vijififi");
+
+var dynCall_iiiij = Module["dynCall_iiiij"] = createExportWrapper("dynCall_iiiij");
+
+var dynCall_iijji = Module["dynCall_iijji"] = createExportWrapper("dynCall_iijji");
+
+var dynCall_viijj = Module["dynCall_viijj"] = createExportWrapper("dynCall_viijj");
+
+var dynCall_jiiiiii = Module["dynCall_jiiiiii"] = createExportWrapper("dynCall_jiiiiii");
+
+var dynCall_viiiiji = Module["dynCall_viiiiji"] = createExportWrapper("dynCall_viiiiji");
+
+var dynCall_dij = Module["dynCall_dij"] = createExportWrapper("dynCall_dij");
+
+var dynCall_vijd = Module["dynCall_vijd"] = createExportWrapper("dynCall_vijd");
+
+var dynCall_iiij = Module["dynCall_iiij"] = createExportWrapper("dynCall_iiij");
+
+var dynCall_jiiiii = Module["dynCall_jiiiii"] = createExportWrapper("dynCall_jiiiii");
+
+var dynCall_ij = Module["dynCall_ij"] = createExportWrapper("dynCall_ij");
+
+var dynCall_viijiiii = Module["dynCall_viijiiii"] = createExportWrapper("dynCall_viijiiii");
+
+var dynCall_viijiii = Module["dynCall_viijiii"] = createExportWrapper("dynCall_viijiii");
+
+var dynCall_iiji = Module["dynCall_iiji"] = createExportWrapper("dynCall_iiji");
+
+var dynCall_iiiijf = Module["dynCall_iiiijf"] = createExportWrapper("dynCall_iiiijf");
+
+var dynCall_vijiiiii = Module["dynCall_vijiiiii"] = createExportWrapper("dynCall_vijiiiii");
+
+var dynCall_vijjjii = Module["dynCall_vijjjii"] = createExportWrapper("dynCall_vijjjii");
+
+var dynCall_viijd = Module["dynCall_viijd"] = createExportWrapper("dynCall_viijd");
+
+var dynCall_diij = Module["dynCall_diij"] = createExportWrapper("dynCall_diij");
+
+var dynCall_viiiji = Module["dynCall_viiiji"] = createExportWrapper("dynCall_viiiji");
+
+var dynCall_viiijj = Module["dynCall_viiijj"] = createExportWrapper("dynCall_viiijj");
+
+var dynCall_viijji = Module["dynCall_viijji"] = createExportWrapper("dynCall_viijji");
+
+var dynCall_jiiij = Module["dynCall_jiiij"] = createExportWrapper("dynCall_jiiij");
+
+var dynCall_viijii = Module["dynCall_viijii"] = createExportWrapper("dynCall_viijii");
+
+var dynCall_jiijjj = Module["dynCall_jiijjj"] = createExportWrapper("dynCall_jiijjj");
+
+var dynCall_jiijj = Module["dynCall_jiijj"] = createExportWrapper("dynCall_jiijj");
+
+var dynCall_viiijiji = Module["dynCall_viiijiji"] = createExportWrapper("dynCall_viiijiji");
+
+var dynCall_viiijjiji = Module["dynCall_viiijjiji"] = createExportWrapper("dynCall_viiijjiji");
+
+var dynCall_viijiji = Module["dynCall_viijiji"] = createExportWrapper("dynCall_viijiji");
+
+var dynCall_iiiiijiii = Module["dynCall_iiiiijiii"] = createExportWrapper("dynCall_iiiiijiii");
+
+var dynCall_iiiiiijd = Module["dynCall_iiiiiijd"] = createExportWrapper("dynCall_iiiiiijd");
+
+var dynCall_diidj = Module["dynCall_diidj"] = createExportWrapper("dynCall_diidj");
+
+var dynCall_viiiijij = Module["dynCall_viiiijij"] = createExportWrapper("dynCall_viiiijij");
+
+var dynCall_viiidjj = Module["dynCall_viiidjj"] = createExportWrapper("dynCall_viiidjj");
+
+var dynCall_viidj = Module["dynCall_viidj"] = createExportWrapper("dynCall_viidj");
+
+var dynCall_iiijj = Module["dynCall_iiijj"] = createExportWrapper("dynCall_iiijj");
+
+var dynCall_jiid = Module["dynCall_jiid"] = createExportWrapper("dynCall_jiid");
+
+var dynCall_viiiiddji = Module["dynCall_viiiiddji"] = createExportWrapper("dynCall_viiiiddji");
+
+var dynCall_vijiiiiiiiii = Module["dynCall_vijiiiiiiiii"] = createExportWrapper("dynCall_vijiiiiiiiii");
+
+var dynCall_vijiiiffi = Module["dynCall_vijiiiffi"] = createExportWrapper("dynCall_vijiiiffi");
+
+var dynCall_vijiiifii = Module["dynCall_vijiiifii"] = createExportWrapper("dynCall_vijiiifii");
+
+var dynCall_viijfii = Module["dynCall_viijfii"] = createExportWrapper("dynCall_viijfii");
+
+var dynCall_viiiiiiiiiiijjjjjjifiiiiii = Module["dynCall_viiiiiiiiiiijjjjjjifiiiiii"] = createExportWrapper("dynCall_viiiiiiiiiiijjjjjjifiiiiii");
+
+var dynCall_vijifff = Module["dynCall_vijifff"] = createExportWrapper("dynCall_vijifff");
+
+var dynCall_fiji = Module["dynCall_fiji"] = createExportWrapper("dynCall_fiji");
+
+var dynCall_vijiiffifffi = Module["dynCall_vijiiffifffi"] = createExportWrapper("dynCall_vijiiffifffi");
+
+var dynCall_iijj = Module["dynCall_iijj"] = createExportWrapper("dynCall_iijj");
+
+var dynCall_iijjfj = Module["dynCall_iijjfj"] = createExportWrapper("dynCall_iijjfj");
+
+var dynCall_vijiji = Module["dynCall_vijiji"] = createExportWrapper("dynCall_vijiji");
+
+var dynCall_jijii = Module["dynCall_jijii"] = createExportWrapper("dynCall_jijii");
+
+var dynCall_vijid = Module["dynCall_vijid"] = createExportWrapper("dynCall_vijid");
+
+var dynCall_vijiiiffiiiii = Module["dynCall_vijiiiffiiiii"] = createExportWrapper("dynCall_vijiiiffiiiii");
+
+var dynCall_vijiiiiii = Module["dynCall_vijiiiiii"] = createExportWrapper("dynCall_vijiiiiii");
+
+var dynCall_vijiff = Module["dynCall_vijiff"] = createExportWrapper("dynCall_vijiff");
+
+var dynCall_vijjjj = Module["dynCall_vijjjj"] = createExportWrapper("dynCall_vijjjj");
+
+var dynCall_vijiiiiiii = Module["dynCall_vijiiiiiii"] = createExportWrapper("dynCall_vijiiiiiii");
+
+var dynCall_jiiifi = Module["dynCall_jiiifi"] = createExportWrapper("dynCall_jiiifi");
+
+var dynCall_viiiifijii = Module["dynCall_viiiifijii"] = createExportWrapper("dynCall_viiiifijii");
+
+var dynCall_viiiifiijjii = Module["dynCall_viiiifiijjii"] = createExportWrapper("dynCall_viiiifiijjii");
+
+var dynCall_vijiiifiijii = Module["dynCall_vijiiifiijii"] = createExportWrapper("dynCall_vijiiifiijii");
+
+var dynCall_vijiiifiiijjii = Module["dynCall_vijiiifiiijjii"] = createExportWrapper("dynCall_vijiiifiiijjii");
+
+var dynCall_vijiiifiiijii = Module["dynCall_vijiiifiiijii"] = createExportWrapper("dynCall_vijiiifiiijii");
+
+var dynCall_vijiiifiiiijjii = Module["dynCall_vijiiifiiiijjii"] = createExportWrapper("dynCall_vijiiifiiiijjii");
+
+var dynCall_fijiiii = Module["dynCall_fijiiii"] = createExportWrapper("dynCall_fijiiii");
+
+var dynCall_fijiiiii = Module["dynCall_fijiiiii"] = createExportWrapper("dynCall_fijiiiii");
+
+var dynCall_iijii = Module["dynCall_iijii"] = createExportWrapper("dynCall_iijii");
+
+var dynCall_iijiijiiiii = Module["dynCall_iijiijiiiii"] = createExportWrapper("dynCall_iijiijiiiii");
+
+var dynCall_iijijiiiii = Module["dynCall_iijijiiiii"] = createExportWrapper("dynCall_iijijiiiii");
+
+var dynCall_vijijj = Module["dynCall_vijijj"] = createExportWrapper("dynCall_vijijj");
+
+var dynCall_vijiiijj = Module["dynCall_vijiiijj"] = createExportWrapper("dynCall_vijiiijj");
+
+var dynCall_vijiijj = Module["dynCall_vijiijj"] = createExportWrapper("dynCall_vijiijj");
+
+var dynCall_vijjiji = Module["dynCall_vijjiji"] = createExportWrapper("dynCall_vijjiji");
+
+var dynCall_vijjiijii = Module["dynCall_vijjiijii"] = createExportWrapper("dynCall_vijjiijii");
+
+var dynCall_fijii = Module["dynCall_fijii"] = createExportWrapper("dynCall_fijii");
+
+var dynCall_vijiiiij = Module["dynCall_vijiiiij"] = createExportWrapper("dynCall_vijiiiij");
+
+var dynCall_jijj = Module["dynCall_jijj"] = createExportWrapper("dynCall_jijj");
+
+var dynCall_jiiif = Module["dynCall_jiiif"] = createExportWrapper("dynCall_jiiif");
+
+var dynCall_vijfff = Module["dynCall_vijfff"] = createExportWrapper("dynCall_vijfff");
+
+var dynCall_vijfiff = Module["dynCall_vijfiff"] = createExportWrapper("dynCall_vijfiff");
+
+var dynCall_vijfi = Module["dynCall_vijfi"] = createExportWrapper("dynCall_vijfi");
+
+var dynCall_vijffffi = Module["dynCall_vijffffi"] = createExportWrapper("dynCall_vijffffi");
+
+var dynCall_vijiiffi = Module["dynCall_vijiiffi"] = createExportWrapper("dynCall_vijiiffi");
+
+var dynCall_vijiifffffff = Module["dynCall_vijiifffffff"] = createExportWrapper("dynCall_vijiifffffff");
+
+var dynCall_vijifiifffffifff = Module["dynCall_vijifiifffffifff"] = createExportWrapper("dynCall_vijifiifffffifff");
+
+var dynCall_vijiiffffiffffj = Module["dynCall_vijiiffffiffffj"] = createExportWrapper("dynCall_vijiiffffiffffj");
+
+var dynCall_vijiifff = Module["dynCall_vijiifff"] = createExportWrapper("dynCall_vijiifff");
+
+var dynCall_vijiffffffff = Module["dynCall_vijiffffffff"] = createExportWrapper("dynCall_vijiffffffff");
+
+var dynCall_vijiifiififff = Module["dynCall_vijiifiififff"] = createExportWrapper("dynCall_vijiifiififff");
+
+var dynCall_vijifffij = Module["dynCall_vijifffij"] = createExportWrapper("dynCall_vijifffij");
+
+var dynCall_viijjjiifjii = Module["dynCall_viijjjiifjii"] = createExportWrapper("dynCall_viijjjiifjii");
+
+var dynCall_fijj = Module["dynCall_fijj"] = createExportWrapper("dynCall_fijj");
+
+var dynCall_iijjiii = Module["dynCall_iijjiii"] = createExportWrapper("dynCall_iijjiii");
+
+var dynCall_iiiiij = Module["dynCall_iiiiij"] = createExportWrapper("dynCall_iiiiij");
+
+var dynCall_iiiiijj = Module["dynCall_iiiiijj"] = createExportWrapper("dynCall_iiiiijj");
+
+var dynCall_iiiiiijj = Module["dynCall_iiiiiijj"] = createExportWrapper("dynCall_iiiiiijj");
+
+function invoke_vii(index, a1, a2) {
+ var sp = stackSave();
+ try {
+  getWasmTableEntry(index)(a1, a2);
+ } catch (e) {
+  stackRestore(sp);
+  if (e !== e + 0) throw e;
+  _setThrew(1, 0);
+ }
+}
+
+function invoke_vi(index, a1) {
+ var sp = stackSave();
+ try {
+  getWasmTableEntry(index)(a1);
+ } catch (e) {
+  stackRestore(sp);
+  if (e !== e + 0) throw e;
+  _setThrew(1, 0);
+ }
+}
+
+function invoke_viii(index, a1, a2, a3) {
+ var sp = stackSave();
+ try {
+  getWasmTableEntry(index)(a1, a2, a3);
+ } catch (e) {
+  stackRestore(sp);
+  if (e !== e + 0) throw e;
+  _setThrew(1, 0);
+ }
+}
+
+function invoke_ii(index, a1) {
+ var sp = stackSave();
+ try {
+  return getWasmTableEntry(index)(a1);
+ } catch (e) {
+  stackRestore(sp);
+  if (e !== e + 0) throw e;
+  _setThrew(1, 0);
+ }
+}
+
+function invoke_viiii(index, a1, a2, a3, a4) {
+ var sp = stackSave();
+ try {
+  getWasmTableEntry(index)(a1, a2, a3, a4);
+ } catch (e) {
+  stackRestore(sp);
+  if (e !== e + 0) throw e;
+  _setThrew(1, 0);
+ }
+}
+
+function invoke_iii(index, a1, a2) {
+ var sp = stackSave();
+ try {
+  return getWasmTableEntry(index)(a1, a2);
+ } catch (e) {
+  stackRestore(sp);
+  if (e !== e + 0) throw e;
+  _setThrew(1, 0);
+ }
+}
+
+function invoke_iiii(index, a1, a2, a3) {
+ var sp = stackSave();
+ try {
+  return getWasmTableEntry(index)(a1, a2, a3);
+ } catch (e) {
+  stackRestore(sp);
+  if (e !== e + 0) throw e;
+  _setThrew(1, 0);
+ }
+}
+
+function invoke_iiiii(index, a1, a2, a3, a4) {
+ var sp = stackSave();
+ try {
+  return getWasmTableEntry(index)(a1, a2, a3, a4);
+ } catch (e) {
+  stackRestore(sp);
+  if (e !== e + 0) throw e;
+  _setThrew(1, 0);
+ }
+}
+
+function invoke_viiiiiii(index, a1, a2, a3, a4, a5, a6, a7) {
+ var sp = stackSave();
+ try {
+  getWasmTableEntry(index)(a1, a2, a3, a4, a5, a6, a7);
+ } catch (e) {
+  stackRestore(sp);
+  if (e !== e + 0) throw e;
+  _setThrew(1, 0);
+ }
+}
+
+function invoke_iiiiiii(index, a1, a2, a3, a4, a5, a6) {
+ var sp = stackSave();
+ try {
+  return getWasmTableEntry(index)(a1, a2, a3, a4, a5, a6);
+ } catch (e) {
+  stackRestore(sp);
+  if (e !== e + 0) throw e;
+  _setThrew(1, 0);
+ }
+}
+
+Module["callMain"] = callMain;
+
+Module["keepRuntimeAlive"] = keepRuntimeAlive;
+
+Module["wasmMemory"] = wasmMemory;
+
+Module["cwrap"] = cwrap;
+
+Module["ExitStatus"] = ExitStatus;
+
+Module["PThread"] = PThread;
+
+var unexportedRuntimeSymbols = [ "run", "UTF8ArrayToString", "UTF8ToString", "stringToUTF8Array", "stringToUTF8", "lengthBytesUTF8", "addOnPreRun", "addOnInit", "addOnPreMain", "addOnExit", "addOnPostRun", "addRunDependency", "removeRunDependency", "FS_createFolder", "FS_createPath", "FS_createDataFile", "FS_createPreloadedFile", "FS_createLazyFile", "FS_createLink", "FS_createDevice", "FS_unlink", "getLEB", "getFunctionTables", "alignFunctionTables", "registerFunctions", "prettyPrint", "getCompilerSetting", "print", "printErr", "getTempRet0", "setTempRet0", "abort", "stackSave", "stackRestore", "stackAlloc", "GROWABLE_HEAP_I8", "GROWABLE_HEAP_U8", "GROWABLE_HEAP_I16", "GROWABLE_HEAP_U16", "GROWABLE_HEAP_I32", "GROWABLE_HEAP_U32", "GROWABLE_HEAP_F32", "GROWABLE_HEAP_F64", "writeStackCookie", "checkStackCookie", "ptrToString", "zeroMemory", "stringToNewUTF8", "exitJS", "getHeapMax", "emscripten_realloc_buffer", "ENV", "ERRNO_CODES", "ERRNO_MESSAGES", "setErrNo", "inetPton4", "inetNtop4", "inetPton6", "inetNtop6", "readSockaddr", "writeSockaddr", "DNS", "getHostByName", "Protocols", "Sockets", "getRandomDevice", "warnOnce", "traverseStack", "UNWIND_CACHE", "convertPCtoSourceLocation", "readAsmConstArgsArray", "readAsmConstArgs", "mainThreadEM_ASM", "jstoi_q", "jstoi_s", "getExecutableName", "listenOnce", "autoResumeAudioContext", "dynCallLegacy", "getDynCaller", "dynCall", "handleException", "runtimeKeepalivePush", "runtimeKeepalivePop", "callUserCallback", "maybeExit", "safeSetTimeout", "asmjsMangle", "asyncLoad", "alignMemory", "mmapAlloc", "writeI53ToI64", "writeI53ToI64Clamped", "writeI53ToI64Signaling", "writeI53ToU64Clamped", "writeI53ToU64Signaling", "readI53FromI64", "readI53FromU64", "convertI32PairToI53", "convertI32PairToI53Checked", "convertU32PairToI53", "getCFunc", "ccall", "uleb128Encode", "sigToWasmTypes", "convertJsFunctionToWasm", "freeTableIndexes", "functionsInTableMap", "getEmptyTableSlot", "updateTableMap", "addFunction", "removeFunction", "reallyNegative", "unSign", "strLen", "reSign", "formatString", "setValue", "getValue", "PATH", "PATH_FS", "intArrayFromString", "intArrayToString", "AsciiToString", "stringToAscii", "UTF16Decoder", "UTF16ToString", "stringToUTF16", "lengthBytesUTF16", "UTF32ToString", "stringToUTF32", "lengthBytesUTF32", "allocateUTF8", "allocateUTF8OnStack", "writeStringToMemory", "writeArrayToMemory", "writeAsciiToMemory", "SYSCALLS", "getSocketFromFD", "getSocketAddress", "JSEvents", "registerKeyEventCallback", "specialHTMLTargets", "maybeCStringToJsString", "findEventTarget", "findCanvasEventTarget", "getBoundingClientRect", "fillMouseEventData", "registerMouseEventCallback", "registerWheelEventCallback", "registerUiEventCallback", "registerFocusEventCallback", "fillDeviceOrientationEventData", "registerDeviceOrientationEventCallback", "fillDeviceMotionEventData", "registerDeviceMotionEventCallback", "screenOrientation", "fillOrientationChangeEventData", "registerOrientationChangeEventCallback", "fillFullscreenChangeEventData", "registerFullscreenChangeEventCallback", "JSEvents_requestFullscreen", "JSEvents_resizeCanvasForFullscreen", "registerRestoreOldStyle", "hideEverythingExceptGivenElement", "restoreHiddenElements", "setLetterbox", "currentFullscreenStrategy", "restoreOldWindowedStyle", "softFullscreenResizeWebGLRenderTarget", "doRequestFullscreen", "fillPointerlockChangeEventData", "registerPointerlockChangeEventCallback", "registerPointerlockErrorEventCallback", "requestPointerLock", "fillVisibilityChangeEventData", "registerVisibilityChangeEventCallback", "registerTouchEventCallback", "fillGamepadEventData", "registerGamepadEventCallback", "registerBeforeUnloadEventCallback", "fillBatteryEventData", "battery", "registerBatteryEventCallback", "setCanvasElementSize", "getCanvasElementSize", "demangle", "demangleAll", "jsStackTrace", "stackTrace", "getEnvStrings", "checkWasiClock", "doReadv", "doWritev", "dlopenMissingError", "setImmediateWrapped", "clearImmediateWrapped", "polyfillSetImmediate", "uncaughtExceptionCount", "exceptionLast", "exceptionCaught", "ExceptionInfo", "exception_addRef", "exception_decRef", "Browser", "setMainLoop", "wget", "FS", "MEMFS", "TTY", "PIPEFS", "SOCKFS", "_setNetworkCallback", "tempFixedLengthArray", "miniTempWebGLFloatBuffers", "heapObjectForWebGLType", "heapAccessShiftForWebGLHeap", "GL", "emscriptenWebGLGet", "computeUnpackAlignedImageSize", "emscriptenWebGLGetTexPixelData", "emscriptenWebGLGetUniform", "webglGetUniformLocation", "webglPrepareUniformLocationsBeforeFirstUse", "webglGetLeftBracePos", "emscriptenWebGLGetVertexAttrib", "writeGLArray", "AL", "SDL_unicode", "SDL_ttfContext", "SDL_audio", "SDL", "SDL_gfx", "GLUT", "EGL", "GLFW_Window", "GLFW", "GLEW", "IDBStore", "runAndAbortIfError", "emscriptenWebGLGetIndexed", "ALLOC_NORMAL", "ALLOC_STACK", "allocate", "killThread", "cleanupThread", "registerTLSInit", "cancelThread", "spawnThread", "exitOnMainThread", "invokeEntryPoint", "executeNotifiedProxyingQueue", "GodotWebXR", "GodotWebSocket", "GodotRTCDataChannel", "GodotRTCPeerConnection", "GodotAudio", "GodotAudioWorklet", "GodotAudioScript", "GodotDisplayVK", "GodotDisplayCursor", "GodotDisplayScreen", "GodotDisplay", "GodotFetch", "IDHandler", "GodotConfig", "GodotFS", "GodotOS", "GodotEventListeners", "GodotPWA", "GodotRuntime", "GodotInputGamepads", "GodotInputDragDrop", "GodotInput", "GodotWebGL2", "GodotJSWrapper", "IDBFS" ];
+
+unexportedRuntimeSymbols.forEach(unexportedRuntimeSymbol);
+
+var missingLibrarySymbols = [ "getHostByName", "traverseStack", "convertPCtoSourceLocation", "readAsmConstArgs", "mainThreadEM_ASM", "jstoi_s", "listenOnce", "autoResumeAudioContext", "dynCallLegacy", "getDynCaller", "dynCall", "asmjsMangle", "writeI53ToI64Clamped", "writeI53ToI64Signaling", "writeI53ToU64Clamped", "writeI53ToU64Signaling", "convertI32PairToI53", "convertU32PairToI53", "reallyNegative", "unSign", "strLen", "reSign", "formatString", "registerKeyEventCallback", "getBoundingClientRect", "fillMouseEventData", "registerMouseEventCallback", "registerWheelEventCallback", "registerUiEventCallback", "registerFocusEventCallback", "fillDeviceOrientationEventData", "registerDeviceOrientationEventCallback", "fillDeviceMotionEventData", "registerDeviceMotionEventCallback", "screenOrientation", "fillOrientationChangeEventData", "registerOrientationChangeEventCallback", "fillFullscreenChangeEventData", "registerFullscreenChangeEventCallback", "JSEvents_requestFullscreen", "JSEvents_resizeCanvasForFullscreen", "registerRestoreOldStyle", "hideEverythingExceptGivenElement", "restoreHiddenElements", "setLetterbox", "softFullscreenResizeWebGLRenderTarget", "doRequestFullscreen", "fillPointerlockChangeEventData", "registerPointerlockChangeEventCallback", "registerPointerlockErrorEventCallback", "requestPointerLock", "fillVisibilityChangeEventData", "registerVisibilityChangeEventCallback", "registerTouchEventCallback", "fillGamepadEventData", "registerGamepadEventCallback", "registerBeforeUnloadEventCallback", "fillBatteryEventData", "battery", "registerBatteryEventCallback", "setCanvasElementSize", "getCanvasElementSize", "checkWasiClock", "setImmediateWrapped", "clearImmediateWrapped", "polyfillSetImmediate", "ExceptionInfo", "exception_addRef", "exception_decRef", "_setNetworkCallback", "emscriptenWebGLGetUniform", "emscriptenWebGLGetVertexAttrib", "writeGLArray", "SDL_unicode", "SDL_ttfContext", "SDL_audio", "GLFW_Window", "runAndAbortIfError", "emscriptenWebGLGetIndexed" ];
+
+missingLibrarySymbols.forEach(missingLibrarySymbol);
+
+var calledRun;
+
+dependenciesFulfilled = function runCaller() {
+ if (!calledRun) run();
+ if (!calledRun) dependenciesFulfilled = runCaller;
+};
+
+function callMain(args) {
+ assert(runDependencies == 0, 'cannot call main when async dependencies remain! (listen on Module["onRuntimeInitialized"])');
+ assert(__ATPRERUN__.length == 0, "cannot call main when preRun functions remain to be called");
+ var entryFunction = Module["_main"];
+ args = args || [];
+ args.unshift(thisProgram);
+ var argc = args.length;
+ var argv = stackAlloc((argc + 1) * 4);
+ var argv_ptr = argv >> 2;
+ args.forEach(arg => {
+  GROWABLE_HEAP_I32()[argv_ptr++] = allocateUTF8OnStack(arg);
+ });
+ GROWABLE_HEAP_I32()[argv_ptr] = 0;
+ try {
+  var ret = entryFunction(argc, argv);
+  exitJS(ret, true);
+  return ret;
+ } catch (e) {
+  return handleException(e);
+ }
+}
+
+function stackCheckInit() {
+ assert(!ENVIRONMENT_IS_PTHREAD);
+ _emscripten_stack_init();
+ writeStackCookie();
+}
+
+function run(args) {
+ args = args || arguments_;
+ if (runDependencies > 0) {
+  return;
+ }
+ if (!ENVIRONMENT_IS_PTHREAD) stackCheckInit();
+ if (ENVIRONMENT_IS_PTHREAD) {
+  readyPromiseResolve(Module);
+  initRuntime();
+  postMessage({
+   "cmd": "loaded"
+  });
+  return;
+ }
+ preRun();
+ if (runDependencies > 0) {
+  return;
+ }
+ function doRun() {
+  if (calledRun) return;
+  calledRun = true;
+  Module["calledRun"] = true;
+  if (ABORT) return;
+  initRuntime();
+  preMain();
+  readyPromiseResolve(Module);
+  if (Module["onRuntimeInitialized"]) Module["onRuntimeInitialized"]();
+  if (shouldRunNow) callMain(args);
+  postRun();
+ }
+ if (Module["setStatus"]) {
+  Module["setStatus"]("Running...");
+  setTimeout(function() {
+   setTimeout(function() {
+    Module["setStatus"]("");
+   }, 1);
+   doRun();
+  }, 1);
+ } else {
+  doRun();
+ }
+ checkStackCookie();
+}
+
+if (Module["preInit"]) {
+ if (typeof Module["preInit"] == "function") Module["preInit"] = [ Module["preInit"] ];
+ while (Module["preInit"].length > 0) {
+  Module["preInit"].pop()();
+ }
+}
+
+var shouldRunNow = false;
+
+if (Module["noInitialRun"]) shouldRunNow = false;
+
+run();
+
+
+  return Godot.ready
+}
+);
+})();
+if (typeof exports === 'object' && typeof module === 'object')
+  module.exports = Godot;
+else if (typeof define === 'function' && define['amd'])
+  define([], function() { return Godot; });
+else if (typeof exports === 'object')
+  exports["Godot"] = Godot;
+
+const Features = { // eslint-disable-line no-unused-vars
+	/**
+	 * Check whether WebGL is available. Optionally, specify a particular version of WebGL to check for.
+	 *
+	 * @param {number=} [majorVersion=1] The major WebGL version to check for.
+	 * @returns {boolean} If the given major version of WebGL is available.
+	 * @function Engine.isWebGLAvailable
+	 */
+	isWebGLAvailable: function (majorVersion = 1) {
+		try {
+			return !!document.createElement('canvas').getContext(['webgl', 'webgl2'][majorVersion - 1]);
+		} catch (e) { /* Not available */ }
+		return false;
+	},
+
+	/**
+	 * Check whether the Fetch API available and supports streaming responses.
+	 *
+	 * @returns {boolean} If the Fetch API is available and supports streaming responses.
+	 * @function Engine.isFetchAvailable
+	 */
+	isFetchAvailable: function () {
+		return 'fetch' in window && 'Response' in window && 'body' in window.Response.prototype;
+	},
+
+	/**
+	 * Check whether the engine is running in a Secure Context.
+	 *
+	 * @returns {boolean} If the engine is running in a Secure Context.
+	 * @function Engine.isSecureContext
+	 */
+	isSecureContext: function () {
+		return window['isSecureContext'] === true;
+	},
+
+	/**
+	 * Check whether the engine is cross origin isolated.
+	 * This value is dependent on Cross-Origin-Opener-Policy and Cross-Origin-Embedder-Policy headers sent by the server.
+	 *
+	 * @returns {boolean} If the engine is running in a Secure Context.
+	 * @function Engine.isSecureContext
+	 */
+	isCrossOriginIsolated: function () {
+		return window['crossOriginIsolated'] === true;
+	},
+
+	/**
+	 * Check whether SharedBufferArray is available.
+	 *
+	 * Most browsers require the page to be running in a secure context, and the
+	 * the server to provide specific CORS headers for SharedArrayBuffer to be available.
+	 *
+	 * @returns {boolean} If SharedArrayBuffer is available.
+	 * @function Engine.isSharedArrayBufferAvailable
+	 */
+	isSharedArrayBufferAvailable: function () {
+		return 'SharedArrayBuffer' in window;
+	},
+
+	/**
+	 * Check whether the AudioContext supports AudioWorkletNodes.
+	 *
+	 * @returns {boolean} If AudioWorkletNode is available.
+	 * @function Engine.isAudioWorkletAvailable
+	 */
+	isAudioWorkletAvailable: function () {
+		return 'AudioContext' in window && 'audioWorklet' in AudioContext.prototype;
+	},
+
+	/**
+	 * Return an array of missing required features (as string).
+	 *
+	 * @returns {Array<string>} A list of human-readable missing features.
+	 * @function Engine.getMissingFeatures
+	 */
+	getMissingFeatures: function () {
+		const missing = [];
+		if (!Features.isWebGLAvailable(2)) {
+			missing.push('WebGL2 - Check web browser configuration and hardware support');
+		}
+		if (!Features.isFetchAvailable()) {
+			missing.push('Fetch - Check web browser version');
+		}
+		if (!Features.isSecureContext()) {
+			missing.push('Secure Context - Check web server configuration (use HTTPS)');
+		}
+		if (!Features.isCrossOriginIsolated()) {
+			missing.push('Cross Origin Isolation - Check web server configuration (send correct headers)');
+		}
+		if (!Features.isSharedArrayBufferAvailable()) {
+			missing.push('SharedArrayBuffer - Check web server configuration (send correct headers)');
+		}
+		// Audio is normally optional since we have a dummy fallback.
+		return missing;
+	},
+};
+
+const Preloader = /** @constructor */ function () { // eslint-disable-line no-unused-vars
+	function getTrackedResponse(response, load_status) {
+		function onloadprogress(reader, controller) {
+			return reader.read().then(function (result) {
+				if (load_status.done) {
+					return Promise.resolve();
+				}
+				if (result.value) {
+					controller.enqueue(result.value);
+					load_status.loaded += result.value.length;
+				}
+				if (!result.done) {
+					return onloadprogress(reader, controller);
+				}
+				load_status.done = true;
+				return Promise.resolve();
+			});
+		}
+		const reader = response.body.getReader();
+		return new Response(new ReadableStream({
+			start: function (controller) {
+				onloadprogress(reader, controller).then(function () {
+					controller.close();
+				});
+			},
+		}), { headers: response.headers });
+	}
+
+	function loadFetch(file, tracker, fileSize, raw) {
+		tracker[file] = {
+			total: fileSize || 0,
+			loaded: 0,
+			done: false,
+		};
+		return fetch(file).then(function (response) {
+			if (!response.ok) {
+				return Promise.reject(new Error(`Failed loading file '${file}'`));
+			}
+			const tr = getTrackedResponse(response, tracker[file]);
+			if (raw) {
+				return Promise.resolve(tr);
+			}
+			return tr.arrayBuffer();
+		});
+	}
+
+	function retry(func, attempts = 1) {
+		function onerror(err) {
+			if (attempts <= 1) {
+				return Promise.reject(err);
+			}
+			return new Promise(function (resolve, reject) {
+				setTimeout(function () {
+					retry(func, attempts - 1).then(resolve).catch(reject);
+				}, 1000);
+			});
+		}
+		return func().catch(onerror);
+	}
+
+	const DOWNLOAD_ATTEMPTS_MAX = 4;
+	const loadingFiles = {};
+	const lastProgress = { loaded: 0, total: 0 };
+	let progressFunc = null;
+
+	const animateProgress = function () {
+		let loaded = 0;
+		let total = 0;
+		let totalIsValid = true;
+		let progressIsFinal = true;
+
+		Object.keys(loadingFiles).forEach(function (file) {
+			const stat = loadingFiles[file];
+			if (!stat.done) {
+				progressIsFinal = false;
+			}
+			if (!totalIsValid || stat.total === 0) {
+				totalIsValid = false;
+				total = 0;
+			} else {
+				total += stat.total;
+			}
+			loaded += stat.loaded;
+		});
+		if (loaded !== lastProgress.loaded || total !== lastProgress.total) {
+			lastProgress.loaded = loaded;
+			lastProgress.total = total;
+			if (typeof progressFunc === 'function') {
+				progressFunc(loaded, total);
+			}
+		}
+		if (!progressIsFinal) {
+			requestAnimationFrame(animateProgress);
+		}
+	};
+
+	this.animateProgress = animateProgress;
+
+	this.setProgressFunc = function (callback) {
+		progressFunc = callback;
+	};
+
+	this.loadPromise = function (file, fileSize, raw = false) {
+		return retry(loadFetch.bind(null, file, loadingFiles, fileSize, raw), DOWNLOAD_ATTEMPTS_MAX);
+	};
+
+	this.preloadedFiles = [];
+	this.preload = function (pathOrBuffer, destPath, fileSize) {
+		let buffer = null;
+		if (typeof pathOrBuffer === 'string') {
+			const me = this;
+			return this.loadPromise(pathOrBuffer, fileSize).then(function (buf) {
+				me.preloadedFiles.push({
+					path: destPath || pathOrBuffer,
+					buffer: buf,
+				});
+				return Promise.resolve();
+			});
+		} else if (pathOrBuffer instanceof ArrayBuffer) {
+			buffer = new Uint8Array(pathOrBuffer);
+		} else if (ArrayBuffer.isView(pathOrBuffer)) {
+			buffer = new Uint8Array(pathOrBuffer.buffer);
+		}
+		if (buffer) {
+			this.preloadedFiles.push({
+				path: destPath,
+				buffer: pathOrBuffer,
+			});
+			return Promise.resolve();
+		}
+		return Promise.reject(new Error('Invalid object for preloading'));
+	};
+};
+
+/**
+ * An object used to configure the Engine instance based on godot export options, and to override those in custom HTML
+ * templates if needed.
+ *
+ * @header Engine configuration
+ * @summary The Engine configuration object. This is just a typedef, create it like a regular object, e.g.:
+ *
+ * ``const MyConfig = { executable: 'godot', unloadAfterInit: false }``
+ *
+ * @typedef {Object} EngineConfig
+ */
+const EngineConfig = {}; // eslint-disable-line no-unused-vars
+
+/**
+ * @struct
+ * @constructor
+ * @ignore
+ */
+const InternalConfig = function (initConfig) { // eslint-disable-line no-unused-vars
+	const cfg = /** @lends {InternalConfig.prototype} */ {
+		/**
+		 * Whether the unload the engine automatically after the instance is initialized.
+		 *
+		 * @memberof EngineConfig
+		 * @default
+		 * @type {boolean}
+		 */
+		unloadAfterInit: true,
+		/**
+		 * The HTML DOM Canvas object to use.
+		 *
+		 * By default, the first canvas element in the document will be used is none is specified.
+		 *
+		 * @memberof EngineConfig
+		 * @default
+		 * @type {?HTMLCanvasElement}
+		 */
+		canvas: null,
+		/**
+		 * The name of the WASM file without the extension. (Set by Godot Editor export process).
+		 *
+		 * @memberof EngineConfig
+		 * @default
+		 * @type {string}
+		 */
+		executable: '',
+		/**
+		 * An alternative name for the game pck to load. The executable name is used otherwise.
+		 *
+		 * @memberof EngineConfig
+		 * @default
+		 * @type {?string}
+		 */
+		mainPack: null,
+		/**
+		 * Specify a language code to select the proper localization for the game.
+		 *
+		 * The browser locale will be used if none is specified. See complete list of
+		 * :ref:`supported locales <doc_locales>`.
+		 *
+		 * @memberof EngineConfig
+		 * @type {?string}
+		 * @default
+		 */
+		locale: null,
+		/**
+		 * The canvas resize policy determines how the canvas should be resized by Godot.
+		 *
+		 * ``0`` means Godot won't do any resizing. This is useful if you want to control the canvas size from
+		 * javascript code in your template.
+		 *
+		 * ``1`` means Godot will resize the canvas on start, and when changing window size via engine functions.
+		 *
+		 * ``2`` means Godot will adapt the canvas size to match the whole browser window.
+		 *
+		 * @memberof EngineConfig
+		 * @type {number}
+		 * @default
+		 */
+		canvasResizePolicy: 2,
+		/**
+		 * The arguments to be passed as command line arguments on startup.
+		 *
+		 * See :ref:`command line tutorial <doc_command_line_tutorial>`.
+		 *
+		 * **Note**: :js:meth:`startGame <Engine.prototype.startGame>` will always add the ``--main-pack`` argument.
+		 *
+		 * @memberof EngineConfig
+		 * @type {Array<string>}
+		 * @default
+		 */
+		args: [],
+		/**
+		 * When enabled, the game canvas will automatically grab the focus when the engine starts.
+		 *
+		 * @memberof EngineConfig
+		 * @type {boolean}
+		 * @default
+		 */
+		focusCanvas: true,
+		/**
+		 * When enabled, this will turn on experimental virtual keyboard support on mobile.
+		 *
+		 * @memberof EngineConfig
+		 * @type {boolean}
+		 * @default
+		 */
+		experimentalVK: false,
+		/**
+		 * The progressive web app service worker to install.
+		 * @memberof EngineConfig
+		 * @default
+		 * @type {string}
+		 */
+		serviceWorker: '',
+		/**
+		 * @ignore
+		 * @type {Array.<string>}
+		 */
+		persistentPaths: ['/userfs'],
+		/**
+		 * @ignore
+		 * @type {boolean}
+		 */
+		persistentDrops: false,
+		/**
+		 * @ignore
+		 * @type {Array.<string>}
+		 */
+		gdextensionLibs: [],
+		/**
+		 * @ignore
+		 * @type {Array.<string>}
+		 */
+		fileSizes: [],
+		/**
+		 * A callback function for handling Godot's ``OS.execute`` calls.
+		 *
+		 * This is for example used in the Web Editor template to switch between project manager and editor, and for running the game.
+		 *
+		 * @callback EngineConfig.onExecute
+		 * @param {string} path The path that Godot's wants executed.
+		 * @param {Array.<string>} args The arguments of the "command" to execute.
+		 */
+		/**
+		 * @ignore
+		 * @type {?function(string, Array.<string>)}
+		 */
+		onExecute: null,
+		/**
+		 * A callback function for being notified when the Godot instance quits.
+		 *
+		 * **Note**: This function will not be called if the engine crashes or become unresponsive.
+		 *
+		 * @callback EngineConfig.onExit
+		 * @param {number} status_code The status code returned by Godot on exit.
+		 */
+		/**
+		 * @ignore
+		 * @type {?function(number)}
+		 */
+		onExit: null,
+		/**
+		 * A callback function for displaying download progress.
+		 *
+		 * The function is called once per frame while downloading files, so the usage of ``requestAnimationFrame()``
+		 * is not necessary.
+		 *
+		 * If the callback function receives a total amount of bytes as 0, this means that it is impossible to calculate.
+		 * Possible reasons include:
+		 *
+		 * -  Files are delivered with server-side chunked compression
+		 * -  Files are delivered with server-side compression on Chromium
+		 * -  Not all file downloads have started yet (usually on servers without multi-threading)
+		 *
+		 * @callback EngineConfig.onProgress
+		 * @param {number} current The current amount of downloaded bytes so far.
+		 * @param {number} total The total amount of bytes to be downloaded.
+		 */
+		/**
+		 * @ignore
+		 * @type {?function(number, number)}
+		 */
+		onProgress: null,
+		/**
+		 * A callback function for handling the standard output stream. This method should usually only be used in debug pages.
+		 *
+		 * By default, ``console.log()`` is used.
+		 *
+		 * @callback EngineConfig.onPrint
+		 * @param {...*} [var_args] A variadic number of arguments to be printed.
+		 */
+		/**
+		 * @ignore
+		 * @type {?function(...*)}
+		 */
+		onPrint: function () {
+			console.log.apply(console, Array.from(arguments)); // eslint-disable-line no-console
+		},
+		/**
+		 * A callback function for handling the standard error stream. This method should usually only be used in debug pages.
+		 *
+		 * By default, ``console.error()`` is used.
+		 *
+		 * @callback EngineConfig.onPrintError
+		 * @param {...*} [var_args] A variadic number of arguments to be printed as errors.
+		*/
+		/**
+		 * @ignore
+		 * @type {?function(...*)}
+		 */
+		onPrintError: function (var_args) {
+			console.error.apply(console, Array.from(arguments)); // eslint-disable-line no-console
+		},
+	};
+
+	/**
+	 * @ignore
+	 * @struct
+	 * @constructor
+	 * @param {EngineConfig} opts
+	 */
+	function Config(opts) {
+		this.update(opts);
+	}
+
+	Config.prototype = cfg;
+
+	/**
+	 * @ignore
+	 * @param {EngineConfig} opts
+	 */
+	Config.prototype.update = function (opts) {
+		const config = opts || {};
+		// NOTE: We must explicitly pass the default, accessing it via
+		// the key will fail due to closure compiler renames.
+		function parse(key, def) {
+			if (typeof (config[key]) === 'undefined') {
+				return def;
+			}
+			return config[key];
+		}
+		// Module config
+		this.unloadAfterInit = parse('unloadAfterInit', this.unloadAfterInit);
+		this.onPrintError = parse('onPrintError', this.onPrintError);
+		this.onPrint = parse('onPrint', this.onPrint);
+		this.onProgress = parse('onProgress', this.onProgress);
+
+		// Godot config
+		this.canvas = parse('canvas', this.canvas);
+		this.executable = parse('executable', this.executable);
+		this.mainPack = parse('mainPack', this.mainPack);
+		this.locale = parse('locale', this.locale);
+		this.canvasResizePolicy = parse('canvasResizePolicy', this.canvasResizePolicy);
+		this.persistentPaths = parse('persistentPaths', this.persistentPaths);
+		this.persistentDrops = parse('persistentDrops', this.persistentDrops);
+		this.experimentalVK = parse('experimentalVK', this.experimentalVK);
+		this.focusCanvas = parse('focusCanvas', this.focusCanvas);
+		this.serviceWorker = parse('serviceWorker', this.serviceWorker);
+		this.gdextensionLibs = parse('gdextensionLibs', this.gdextensionLibs);
+		this.fileSizes = parse('fileSizes', this.fileSizes);
+		this.args = parse('args', this.args);
+		this.onExecute = parse('onExecute', this.onExecute);
+		this.onExit = parse('onExit', this.onExit);
+	};
+
+	/**
+	 * @ignore
+	 * @param {string} loadPath
+	 * @param {Response} response
+	 */
+	Config.prototype.getModuleConfig = function (loadPath, response) {
+		let r = response;
+		return {
+			'print': this.onPrint,
+			'printErr': this.onPrintError,
+			'thisProgram': this.executable,
+			'noExitRuntime': false,
+			'dynamicLibraries': [`${loadPath}.side.wasm`],
+			'instantiateWasm': function (imports, onSuccess) {
+				function done(result) {
+					onSuccess(result['instance'], result['module']);
+				}
+				if (typeof (WebAssembly.instantiateStreaming) !== 'undefined') {
+					WebAssembly.instantiateStreaming(Promise.resolve(r), imports).then(done);
+				} else {
+					r.arrayBuffer().then(function (buffer) {
+						WebAssembly.instantiate(buffer, imports).then(done);
+					});
+				}
+				r = null;
+				return {};
+			},
+			'locateFile': function (path) {
+				if (path.endsWith('.worker.js')) {
+					return `${loadPath}.worker.js`;
+				} else if (path.endsWith('.audio.worklet.js')) {
+					return `${loadPath}.audio.worklet.js`;
+				} else if (path.endsWith('.js')) {
+					return `${loadPath}.js`;
+				} else if (path.endsWith('.side.wasm')) {
+					return `${loadPath}.side.wasm`;
+				} else if (path.endsWith('.wasm')) {
+					return `${loadPath}.wasm`;
+				}
+				return path;
+			},
+		};
+	};
+
+	/**
+	 * @ignore
+	 * @param {function()} cleanup
+	 */
+	Config.prototype.getGodotConfig = function (cleanup) {
+		// Try to find a canvas
+		if (!(this.canvas instanceof HTMLCanvasElement)) {
+			const nodes = document.getElementsByTagName('canvas');
+			if (nodes.length && nodes[0] instanceof HTMLCanvasElement) {
+				const first = nodes[0];
+				this.canvas = /** @type {!HTMLCanvasElement} */ (first);
+			}
+			if (!this.canvas) {
+				throw new Error('No canvas found in page');
+			}
+		}
+		// Canvas can grab focus on click, or key events won't work.
+		if (this.canvas.tabIndex < 0) {
+			this.canvas.tabIndex = 0;
+		}
+
+		// Browser locale, or custom one if defined.
+		let locale = this.locale;
+		if (!locale) {
+			locale = navigator.languages ? navigator.languages[0] : navigator.language;
+			locale = locale.split('.')[0];
+		}
+		locale = locale.replace('-', '_');
+		const onExit = this.onExit;
+
+		// Godot configuration.
+		return {
+			'canvas': this.canvas,
+			'canvasResizePolicy': this.canvasResizePolicy,
+			'locale': locale,
+			'persistentDrops': this.persistentDrops,
+			'virtualKeyboard': this.experimentalVK,
+			'focusCanvas': this.focusCanvas,
+			'onExecute': this.onExecute,
+			'onExit': function (p_code) {
+				cleanup(); // We always need to call the cleanup callback to free memory.
+				if (typeof (onExit) === 'function') {
+					onExit(p_code);
+				}
+			},
+		};
+	};
+	return new Config(initConfig);
+};
+
+/**
+ * Projects exported for the Web expose the :js:class:`Engine` class to the JavaScript environment, that allows
+ * fine control over the engine's start-up process.
+ *
+ * This API is built in an asynchronous manner and requires basic understanding
+ * of `Promises <https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Using_promises>`__.
+ *
+ * @module Engine
+ * @header Web export JavaScript reference
+ */
+const Engine = (function () {
+	const preloader = new Preloader();
+
+	let loadPromise = null;
+	let loadPath = '';
+	let initPromise = null;
+
+	/**
+	 * @classdesc The ``Engine`` class provides methods for loading and starting exported projects on the Web. For default export
+	 * settings, this is already part of the exported HTML page. To understand practical use of the ``Engine`` class,
+	 * see :ref:`Custom HTML page for Web export <doc_customizing_html5_shell>`.
+	 *
+	 * @description Create a new Engine instance with the given configuration.
+	 *
+	 * @global
+	 * @constructor
+	 * @param {EngineConfig} initConfig The initial config for this instance.
+	 */
+	function Engine(initConfig) { // eslint-disable-line no-shadow
+		this.config = new InternalConfig(initConfig);
+		this.rtenv = null;
+	}
+
+	/**
+	 * Load the engine from the specified base path.
+	 *
+	 * @param {string} basePath Base path of the engine to load.
+	 * @param {number=} [size=0] The file size if known.
+	 * @returns {Promise} A Promise that resolves once the engine is loaded.
+	 *
+	 * @function Engine.load
+	 */
+	Engine.load = function (basePath, size) {
+		if (loadPromise == null) {
+			loadPath = basePath;
+			loadPromise = preloader.loadPromise(`${loadPath}.wasm`, size, true);
+			requestAnimationFrame(preloader.animateProgress);
+		}
+		return loadPromise;
+	};
+
+	/**
+	 * Unload the engine to free memory.
+	 *
+	 * This method will be called automatically depending on the configuration. See :js:attr:`unloadAfterInit`.
+	 *
+	 * @function Engine.unload
+	 */
+	Engine.unload = function () {
+		loadPromise = null;
+	};
+
+	/**
+	 * Safe Engine constructor, creates a new prototype for every new instance to avoid prototype pollution.
+	 * @ignore
+	 * @constructor
+	 */
+	function SafeEngine(initConfig) {
+		const proto = /** @lends Engine.prototype */ {
+			/**
+			 * Initialize the engine instance. Optionally, pass the base path to the engine to load it,
+			 * if it hasn't been loaded yet. See :js:meth:`Engine.load`.
+			 *
+			 * @param {string=} basePath Base path of the engine to load.
+			 * @return {Promise} A ``Promise`` that resolves once the engine is loaded and initialized.
+			 */
+			init: function (basePath) {
+				if (initPromise) {
+					return initPromise;
+				}
+				if (loadPromise == null) {
+					if (!basePath) {
+						initPromise = Promise.reject(new Error('A base path must be provided when calling `init` and the engine is not loaded.'));
+						return initPromise;
+					}
+					Engine.load(basePath, this.config.fileSizes[`${basePath}.wasm`]);
+				}
+				const me = this;
+				function doInit(promise) {
+					// Care! Promise chaining is bogus with old emscripten versions.
+					// This caused a regression with the Mono build (which uses an older emscripten version).
+					// Make sure to test that when refactoring.
+					return new Promise(function (resolve, reject) {
+						promise.then(function (response) {
+							const cloned = new Response(response.clone().body, { 'headers': [['content-type', 'application/wasm']] });
+							Godot(me.config.getModuleConfig(loadPath, cloned)).then(function (module) {
+								const paths = me.config.persistentPaths;
+								module['initFS'](paths).then(function (err) {
+									me.rtenv = module;
+									if (me.config.unloadAfterInit) {
+										Engine.unload();
+									}
+									resolve();
+								});
+							});
+						});
+					});
+				}
+				preloader.setProgressFunc(this.config.onProgress);
+				initPromise = doInit(loadPromise);
+				return initPromise;
+			},
+
+			/**
+			 * Load a file so it is available in the instance's file system once it runs. Must be called **before** starting the
+			 * instance.
+			 *
+			 * If not provided, the ``path`` is derived from the URL of the loaded file.
+			 *
+			 * @param {string|ArrayBuffer} file The file to preload.
+			 *
+			 * If a ``string`` the file will be loaded from that path.
+			 *
+			 * If an ``ArrayBuffer`` or a view on one, the buffer will used as the content of the file.
+			 *
+			 * @param {string=} path Path by which the file will be accessible. Required, if ``file`` is not a string.
+			 *
+			 * @returns {Promise} A Promise that resolves once the file is loaded.
+			 */
+			preloadFile: function (file, path) {
+				return preloader.preload(file, path, this.config.fileSizes[file]);
+			},
+
+			/**
+			 * Start the engine instance using the given override configuration (if any).
+			 * :js:meth:`startGame <Engine.prototype.startGame>` can be used in typical cases instead.
+			 *
+			 * This will initialize the instance if it is not initialized. For manual initialization, see :js:meth:`init <Engine.prototype.init>`.
+			 * The engine must be loaded beforehand.
+			 *
+			 * Fails if a canvas cannot be found on the page, or not specified in the configuration.
+			 *
+			 * @param {EngineConfig} override An optional configuration override.
+			 * @return {Promise} Promise that resolves once the engine started.
+			 */
+			start: function (override) {
+				this.config.update(override);
+				const me = this;
+				return me.init().then(function () {
+					if (!me.rtenv) {
+						return Promise.reject(new Error('The engine must be initialized before it can be started'));
+					}
+
+					let config = {};
+					try {
+						config = me.config.getGodotConfig(function () {
+							me.rtenv = null;
+						});
+					} catch (e) {
+						return Promise.reject(e);
+					}
+					// Godot configuration.
+					me.rtenv['initConfig'](config);
+
+					// Preload GDExtension libraries.
+					const libs = [];
+					me.config.gdextensionLibs.forEach(function (lib) {
+						libs.push(me.rtenv['loadDynamicLibrary'](lib, { 'loadAsync': true }));
+					});
+					return Promise.all(libs).then(function () {
+						return new Promise(function (resolve, reject) {
+							preloader.preloadedFiles.forEach(function (file) {
+								me.rtenv['copyToFS'](file.path, file.buffer);
+							});
+							preloader.preloadedFiles.length = 0; // Clear memory
+							me.rtenv['callMain'](me.config.args);
+							initPromise = null;
+							if (me.config.serviceWorker && 'serviceWorker' in navigator) {
+								navigator.serviceWorker.register(me.config.serviceWorker);
+							}
+							resolve();
+						});
+					});
+				});
+			},
+
+			/**
+			 * Start the game instance using the given configuration override (if any).
+			 *
+			 * This will initialize the instance if it is not initialized. For manual initialization, see :js:meth:`init <Engine.prototype.init>`.
+			 *
+			 * This will load the engine if it is not loaded, and preload the main pck.
+			 *
+			 * This method expects the initial config (or the override) to have both the :js:attr:`executable` and :js:attr:`mainPack`
+			 * properties set (normally done by the editor during export).
+			 *
+			 * @param {EngineConfig} override An optional configuration override.
+			 * @return {Promise} Promise that resolves once the game started.
+			 */
+			startGame: function (override) {
+				this.config.update(override);
+				// Add main-pack argument.
+				const exe = this.config.executable;
+				const pack = this.config.mainPack || `${exe}.pck`;
+				this.config.args = ['--main-pack', pack].concat(this.config.args);
+				// Start and init with execName as loadPath if not inited.
+				const me = this;
+				return Promise.all([
+					this.init(exe),
+					this.preloadFile(pack, pack),
+				]).then(function () {
+					return me.start.apply(me);
+				});
+			},
+
+			/**
+			 * Create a file at the specified ``path`` with the passed as ``buffer`` in the instance's file system.
+			 *
+			 * @param {string} path The location where the file will be created.
+			 * @param {ArrayBuffer} buffer The content of the file.
+			 */
+			copyToFS: function (path, buffer) {
+				if (this.rtenv == null) {
+					throw new Error('Engine must be inited before copying files');
+				}
+				this.rtenv['copyToFS'](path, buffer);
+			},
+
+			/**
+			 * Request that the current instance quit.
+			 *
+			 * This is akin the user pressing the close button in the window manager, and will
+			 * have no effect if the engine has crashed, or is stuck in a loop.
+			 *
+			 */
+			requestQuit: function () {
+				if (this.rtenv) {
+					this.rtenv['request_quit']();
+				}
+			},
+		};
+
+		Engine.prototype = proto;
+		// Closure compiler exported instance methods.
+		Engine.prototype['init'] = Engine.prototype.init;
+		Engine.prototype['preloadFile'] = Engine.prototype.preloadFile;
+		Engine.prototype['start'] = Engine.prototype.start;
+		Engine.prototype['startGame'] = Engine.prototype.startGame;
+		Engine.prototype['copyToFS'] = Engine.prototype.copyToFS;
+		Engine.prototype['requestQuit'] = Engine.prototype.requestQuit;
+		// Also expose static methods as instance methods
+		Engine.prototype['load'] = Engine.load;
+		Engine.prototype['unload'] = Engine.unload;
+		return new Engine(initConfig);
+	}
+
+	// Closure compiler exported static methods.
+	SafeEngine['load'] = Engine.load;
+	SafeEngine['unload'] = Engine.unload;
+
+	// Feature-detection utilities.
+	SafeEngine['isWebGLAvailable'] = Features.isWebGLAvailable;
+	SafeEngine['isFetchAvailable'] = Features.isFetchAvailable;
+	SafeEngine['isSecureContext'] = Features.isSecureContext;
+	SafeEngine['isCrossOriginIsolated'] = Features.isCrossOriginIsolated;
+	SafeEngine['isSharedArrayBufferAvailable'] = Features.isSharedArrayBufferAvailable;
+	SafeEngine['isAudioWorkletAvailable'] = Features.isAudioWorkletAvailable;
+	SafeEngine['getMissingFeatures'] = Features.getMissingFeatures;
+
+	return SafeEngine;
+}());
+if (typeof window !== 'undefined') {
+	window['Engine'] = Engine;
+}