61 lines
3.1 KiB
Diff
61 lines
3.1 KiB
Diff
From 4904ff3b4497220cbeb724b3e1e49081e5ce2dfa Mon Sep 17 00:00:00 2001
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From: Thinkofdeath <thethinkofdeath@gmail.com>
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Date: Tue, 18 Mar 2014 09:49:30 +0000
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Subject: [PATCH] Remove the lastChunkAccessed if it is unloaded.
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This fixes an issue where a chunk would be unloaded but remain in lastChunkAccessed meaning calls on getChunkAt could return a chunk that is no longer loaded, this caused an issue where the chunk could be reloaded whilst in use reverting any block changes. This caused findEndPortal to return null even after createEndPortal which would crash the server trying to teleport to a null location.
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diff --git a/src/main/java/net/minecraft/server/ChunkProviderServer.java b/src/main/java/net/minecraft/server/ChunkProviderServer.java
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index b669d05..33e4cff 100644
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--- a/src/main/java/net/minecraft/server/ChunkProviderServer.java
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+++ b/src/main/java/net/minecraft/server/ChunkProviderServer.java
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@@ -316,6 +316,13 @@ public class ChunkProviderServer implements IChunkProvider {
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long chunkcoordinates = this.unloadQueue.popFirst();
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Chunk chunk = this.chunks.get(chunkcoordinates);
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if (chunk == null) continue;
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+ // Spigot start - Remove the chunk from the cache if it is unloaded
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+ Chunk result = world.lastChunkAccessed;
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+ if ( result != null && result.locX == chunk.locX && result.locZ == chunk.locZ )
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+ {
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+ world.lastChunkAccessed = null;
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+ }
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+ // Spigot end
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ChunkUnloadEvent event = new ChunkUnloadEvent(chunk.bukkitChunk);
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server.getPluginManager().callEvent(event);
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diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
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index 40325bf..ca8d029 100644
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--- a/src/main/java/net/minecraft/server/World.java
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+++ b/src/main/java/net/minecraft/server/World.java
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@@ -154,7 +154,7 @@ public abstract class World implements IBlockAccess {
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public boolean pvpMode;
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public boolean keepSpawnInMemory = true;
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public ChunkGenerator generator;
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- Chunk lastChunkAccessed;
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+ public Chunk lastChunkAccessed; // Spigot - Make public
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int lastXAccessed = Integer.MIN_VALUE;
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int lastZAccessed = Integer.MIN_VALUE;
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final Object chunkLock = new Object();
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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index 154b868..8592205 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftWorld.java
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@@ -187,6 +187,14 @@ public class CraftWorld implements World {
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world.chunkProviderServer.saveChunkNOP(chunk);
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}
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+ // Spigot start - Remove the chunk from the cache if it is unloaded
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+ net.minecraft.server.Chunk result = world.lastChunkAccessed;
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+ if ( result != null && result.locX == chunk.locX && result.locZ == chunk.locZ )
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+ {
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+ world.lastChunkAccessed = null;
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+ }
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+ // Spigot end
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+
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world.chunkProviderServer.unloadQueue.remove(x, z);
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world.chunkProviderServer.chunks.remove(LongHash.toLong(x, z));
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--
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1.8.3.2
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