// Path: retinazer/src/main/java/com/github/antag99/retinazer/EngineConfig.java
// static final class EntitySystemRegistration {
//     final EntitySystem system;
//     final Priority priority;
// 
//     EntitySystemRegistration(EntitySystem system, Priority priority) {
//         this.system = system;
//         this.priority = priority;
//     }
// }


import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.github.antag99.retinazer.EngineConfig.EntitySystemRegistration;
/*******************************************************************************
 * Copyright (C) 2015 Anton Gustafsson
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 ******************************************************************************/
/** Ashley copyright notice */
/*******************************************************************************
 * Copyright 2014 See AUTHORS.ASHLEY file.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package com.github.antag99.retinazer;



/**
 * Engine is the core class of retinazer; it manages all active entities,
 * performs system processing and initialization.
 */
public final class Engine {

    private final EntitySystem[] systems;
    private final Map<Class<? extends EntitySystem>, EntitySystem> systemsByType;

    final EntityManager entityManager;
    final ComponentManager componentManager;
    final FamilyManager familyManager;
    final WireManager wireManager;

    /** Tracks whether any components or entities have been modified; reset at every call to flush() */
    boolean dirty = false;
    /** Tracks whether this engine is within a call to update() */
    boolean update = false;

    /**
     * Creates a new {@link Engine} based on the specified configuration. Note
     * that the same configuration should <b>not</b> be reused, as system
     * implementations do not handle being registered to multiple engines.
     *
     * @param config
     *            configuration for this Engine.
     */
    public Engine(EngineConfig config) {
        entityManager = new EntityManager(this, config);
        componentManager = new ComponentManager(this, config);
        familyManager = new FamilyManager(this, config);
        wireManager = new WireManager(this, config);

// Path: retinazer/src/main/java/com/github/antag99/retinazer/EngineConfig.java
// static final class EntitySystemRegistration {
//     final EntitySystem system;
//     final Priority priority;
// 
//     EntitySystemRegistration(EntitySystem system, Priority priority) {
//         this.system = system;
//         this.priority = priority;
//     }
// }


// Path: retinazer/src/main/java/com/github/antag99/retinazer/Engine.java
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.github.antag99.retinazer.EngineConfig.EntitySystemRegistration;

/*******************************************************************************
 * Copyright (C) 2015 Anton Gustafsson
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 ******************************************************************************/
/** Ashley copyright notice */
/*******************************************************************************
 * Copyright 2014 See AUTHORS.ASHLEY file.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/
package com.github.antag99.retinazer;



/**
 * Engine is the core class of retinazer; it manages all active entities,
 * performs system processing and initialization.
 */
public final class Engine {

    private final EntitySystem[] systems;
    private final Map<Class<? extends EntitySystem>, EntitySystem> systemsByType;

    final EntityManager entityManager;
    final ComponentManager componentManager;
    final FamilyManager familyManager;
    final WireManager wireManager;

    /** Tracks whether any components or entities have been modified; reset at every call to flush() */
    boolean dirty = false;
    /** Tracks whether this engine is within a call to update() */
    boolean update = false;

    /**
     * Creates a new {@link Engine} based on the specified configuration. Note
     * that the same configuration should <b>not</b> be reused, as system
     * implementations do not handle being registered to multiple engines.
     *
     * @param config
     *            configuration for this Engine.
     */
    public Engine(EngineConfig config) {
        entityManager = new EntityManager(this, config);
        componentManager = new ComponentManager(this, config);
        familyManager = new FamilyManager(this, config);
        wireManager = new WireManager(this, config);

        List<EntitySystemRegistration> systemRegistrations = new ArrayList<>(config.systems);