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77 changes: 77 additions & 0 deletions
77
src/main/java/fr/iamacat/multithreading/mixins/common/core/MixinChunkProviderServer.java
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|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| package fr.iamacat.multithreading.mixins.common.core; | ||
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| import fr.iamacat.multithreading.config.MultithreadingandtweaksMultithreadingConfig; | ||
| import net.minecraft.nbt.NBTTagCompound; | ||
| import net.minecraft.server.MinecraftServer; | ||
| import net.minecraft.world.ChunkCoordIntPair; | ||
| import net.minecraft.world.World; | ||
| import net.minecraft.world.WorldServer; | ||
| import net.minecraft.world.chunk.Chunk; | ||
| import net.minecraft.world.gen.ChunkProviderServer; | ||
| import org.spongepowered.asm.mixin.Mixin; | ||
| import org.spongepowered.asm.mixin.Shadow; | ||
| import org.spongepowered.asm.mixin.injection.At; | ||
| import org.spongepowered.asm.mixin.injection.Inject; | ||
| import org.spongepowered.asm.mixin.injection.callback.CallbackInfo; | ||
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| import java.lang.reflect.Field; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.concurrent.ExecutorService; | ||
| import java.util.concurrent.Executors; | ||
| @Mixin(ChunkProviderServer.class) | ||
| public class MixinChunkProviderServer { | ||
| @Shadow | ||
| public Chunk loadChunk(int x, int z) { | ||
| return null; | ||
| } | ||
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| @Inject(method = "tick", at = @At("HEAD"), cancellable = true) | ||
| private void tick(CallbackInfo ci) { | ||
| if (MultithreadingandtweaksMultithreadingConfig.enableMixinChunkProviderServer) { | ||
| try { | ||
| // Number of chunks to process per tick | ||
| int batchSize = MultithreadingandtweaksMultithreadingConfig.batchsize; | ||
| // Number of threads to use | ||
| int numThreads = MultithreadingandtweaksMultithreadingConfig.numberofcpus; | ||
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| // Create a list of chunks to process | ||
| List<Chunk> chunksToProcess = new ArrayList<>(); | ||
| WorldServer world = MinecraftServer.getServer().worldServers[0]; | ||
| ChunkProviderServer chunkProvider = (ChunkProviderServer) world.getChunkProvider(); | ||
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| // Use reflection to make the currentChunkSet field accessible | ||
| Field currentChunkSetField = ChunkProviderServer.class.getDeclaredField("currentChunkSet"); | ||
| currentChunkSetField.setAccessible(true); | ||
| ChunkCoordIntPair currentChunkSet = (ChunkCoordIntPair) currentChunkSetField.get(chunkProvider); | ||
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| for (int chunkX = currentChunkSet.chunkXPos - batchSize; chunkX <= currentChunkSet.chunkXPos + batchSize; chunkX++) { | ||
| for (int chunkZ = currentChunkSet.chunkZPos - batchSize; chunkZ <= currentChunkSet.chunkZPos + batchSize; chunkZ++) { | ||
| Chunk chunk = chunkProvider.loadChunk(chunkX, chunkZ); | ||
| if (chunk != null) { | ||
| chunksToProcess.add(chunk); | ||
| } | ||
| } | ||
| } | ||
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| // Process the chunks using a thread pool | ||
| ExecutorService executor = Executors.newFixedThreadPool(numThreads); | ||
| for (Chunk chunk : chunksToProcess) { | ||
| executor.execute(() -> { | ||
| ChunkCoordIntPair chunkCoords = new ChunkCoordIntPair(chunk.xPosition, chunk.zPosition); | ||
| if (chunk.isModified) { | ||
| chunk.isModified = false; | ||
| chunkProvider.saveChunks(true, null); | ||
| } | ||
| }); | ||
| } | ||
| executor.shutdown(); | ||
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| ci.cancel(); | ||
| } catch (NoSuchFieldException | IllegalAccessException e) { | ||
| e.printStackTrace(); | ||
| } | ||
| } | ||
| } | ||
| } | ||
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