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https://github.com/PaperMC/Paper.git
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47 lines
2.7 KiB
Diff
47 lines
2.7 KiB
Diff
From 84a754633b0040c0d9b09a895bb3c38232097025 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Fri, 27 May 2016 21:41:26 -0400
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Subject: [PATCH] Ensure Chunks never ever load async
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Safely pushes the operation to main thread, then back to the posting thread
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diff --git a/src/main/java/org/bukkit/craftbukkit/chunkio/ChunkIOExecutor.java b/src/main/java/org/bukkit/craftbukkit/chunkio/ChunkIOExecutor.java
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index 7b7a3d01..9aaca21a 100644
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--- a/src/main/java/org/bukkit/craftbukkit/chunkio/ChunkIOExecutor.java
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+++ b/src/main/java/org/bukkit/craftbukkit/chunkio/ChunkIOExecutor.java
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@@ -4,6 +4,7 @@ import com.destroystokyo.paper.PaperConfig;
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import net.minecraft.server.Chunk;
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import net.minecraft.server.ChunkProviderServer;
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import net.minecraft.server.ChunkRegionLoader;
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+import net.minecraft.server.MCUtil; // Paper
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import net.minecraft.server.World;
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import org.bukkit.craftbukkit.util.AsynchronousExecutor;
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@@ -14,7 +15,7 @@ public class ChunkIOExecutor {
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private static final AsynchronousExecutor<QueuedChunk, Chunk, Runnable, RuntimeException> instance = new AsynchronousExecutor<QueuedChunk, Chunk, Runnable, RuntimeException>(new ChunkIOProvider(), BASE_THREADS);
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public static Chunk syncChunkLoad(World world, ChunkRegionLoader loader, ChunkProviderServer provider, int x, int z) {
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- return instance.getSkipQueue(new QueuedChunk(x, z, loader, world, provider));
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+ return MCUtil.ensureMain("Async Chunk Load", () -> instance.getSkipQueue(new QueuedChunk(x, z, loader, world, provider))); // Paper
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}
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public static void queueChunkLoad(World world, ChunkRegionLoader loader, ChunkProviderServer provider, int x, int z, Runnable runnable) {
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diff --git a/src/main/java/org/bukkit/craftbukkit/chunkio/ChunkIOProvider.java b/src/main/java/org/bukkit/craftbukkit/chunkio/ChunkIOProvider.java
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index b5efb9c3..ef9529ad 100644
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--- a/src/main/java/org/bukkit/craftbukkit/chunkio/ChunkIOProvider.java
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+++ b/src/main/java/org/bukkit/craftbukkit/chunkio/ChunkIOProvider.java
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@@ -35,8 +35,8 @@ class ChunkIOProvider implements AsynchronousExecutor.CallBackProvider<QueuedChu
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// sync stuff
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public void callStage2(QueuedChunk queuedChunk, Chunk chunk) throws RuntimeException {
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- if (chunk == null) {
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- // If the chunk loading failed just do it synchronously (may generate)
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+ if (chunk == null || queuedChunk.provider.chunks.containsKey(ChunkCoordIntPair.a(queuedChunk.x, queuedChunk.z))) { // Paper - also call original if it was already loaded
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+ // If the chunk loading failed (or was already loaded for some reason) just do it synchronously (may generate)
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queuedChunk.provider.originalGetChunkAt(queuedChunk.x, queuedChunk.z);
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return;
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}
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--
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2.14.3
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