/*
* This file is part of Sponge, licensed under the MIT License (MIT).
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* 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
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*/
package org.spongepowered.server.mixin.chunkio;
import net.minecraft.world.WorldServer;
import net.minecraft.world.chunk.IChunkProvider;
import org.spongepowered.api.world.Chunk;
import org.spongepowered.api.world.World;
import org.spongepowered.asm.mixin.Mixin;
import org.spongepowered.asm.mixin.Shadow;
import org.spongepowered.common.world.storage.SpongeChunkLayout;
import org.spongepowered.server.interfaces.world.chunkio.IMixinChunkProviderServer;
import java.util.Optional;
import java.util.concurrent.CompletableFuture;
@Mixin(net.minecraft.world.World.class)
public abstract class MixinWorld_ChunkIO implements World {
@Shadow protected IChunkProvider chunkProvider;
@Override
public CompletableFuture<Optional<Chunk>> loadChunkAsync(int cx, int cy, int cz, boolean shouldGenerate) {
// Currently, we can only load asynchronously if the chunk should not be generated
if (shouldGenerate) {
return World.super.loadChunkAsync(cx, cy, cz, true);
}
if (!SpongeChunkLayout.instance.isValidChunk(cx, cy, cz)) {
return CompletableFuture.completedFuture(Optional.empty());
}
CompletableFuture<Optional<Chunk>> future = new CompletableFuture<>();
((IMixinChunkProviderServer) this.chunkProvider).loadChunk(cx, cz,
chunk -> future.complete(Optional.ofNullable((Chunk) chunk)));
return future;
}
}