/*
 * This file is part of Sponge, licensed under the MIT License (MIT).
 *
 * Copyright (c) SpongePowered <https://www.spongepowered.org>
 * Copyright (c) contributors
 *
 * 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.
 */
package org.spongepowered.mod.mixin.entityactivation;

import net.minecraft.entity.item.EntityItem;
import net.minecraft.item.ItemStack;
import org.spongepowered.api.util.annotation.NonnullByDefault;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Shadow;
import org.spongepowered.common.interfaces.world.IMixinWorldServer;
import org.spongepowered.common.mixin.entityactivation.MixinEntity_Activation;

@NonnullByDefault
@Mixin(value = EntityItem.class, priority = 1001)
public abstract class MixinEntityItem_Activation extends MixinEntity_Activation {

    @Shadow public abstract ItemStack getItem();

    @Shadow private int pickupDelay;
    @Shadow private int age;
    @Shadow(remap = false) public int lifespan;

    @Override
    public void inactiveTick() {
        if (this.pickupDelay > 0 && this.pickupDelay != 32767) {
            --this.pickupDelay;
        }

        if (!this.world.isRemote && this.lifespan == 6000) {
            if (this.age >= ((IMixinWorldServer) this.world).getActiveConfig().getConfig().getEntity().getItemDespawnRate()) {
                this.setDead();
            }
        } else if (!this.world.isRemote && this.age >= this.lifespan) {
            this.setDead();
        }
    }
}

/*
 * This file is part of Sponge, licensed under the MIT License (MIT).
 *
 * Copyright (c) SpongePowered <https://www.spongepowered.org>
 * Copyright (c) contributors
 *
 * 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.
 */
package org.spongepowered.mod.mixin.entityactivation;

import net.minecraft.entity.item.EntityItem;
import net.minecraft.item.ItemStack;
import org.spongepowered.api.util.annotation.NonnullByDefault;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Shadow;
import org.spongepowered.common.interfaces.world.IMixinWorldServer;
import org.spongepowered.common.mixin.entityactivation.MixinEntity_Activation;

@NonnullByDefault
@Mixin(value = EntityItem.class, priority = 1001)
public abstract class MixinEntityItem_Activation extends MixinEntity_Activation {

    @Shadow public abstract ItemStack getItem();

    @Shadow private int pickupDelay;
    @Shadow private int age;
    @Shadow(remap = false) public int lifespan;

    @Override
    public void inactiveTick() {
        if (this.pickupDelay > 0 && this.pickupDelay != 32767) {
            --this.pickupDelay;
        }

        if (!this.world.isRemote && this.lifespan == 6000) {
            if (this.age >= ((IMixinWorldServer) this.world).getWorldConfig().getConfig().getEntity().getItemDespawnRate()) {
                this.setDead();
            }
        } else if (!this.world.isRemote && this.age >= this.lifespan) {
            this.setDead();
        }
    }
}

Fix build.