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Use wrapped StructureManager to prevent worldgen deadlock

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MiniDigger | Martin 2020-09-02 13:57:35 +02:00
parent 976ac75539
commit e113a7a6a0
1 changed files with 34 additions and 0 deletions
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Spigot-Server-Patches/Use-wrapped-StructureManager-to-prevent-worldgen-dea.patch Normal file
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MiniDigger | Martin <admin@minidigger.dev>
Date: Wed, 2 Sep 2020 13:56:18 +0200
Subject: [PATCH] Use wrapped StructureManager to prevent worldgen deadlock
diff --git a/src/main/java/net/minecraft/server/RegionLimitedWorldAccess.java b/src/main/java/net/minecraft/server/RegionLimitedWorldAccess.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/server/RegionLimitedWorldAccess.java
+++ b/src/main/java/net/minecraft/server/RegionLimitedWorldAccess.java
@@ -0,0 +0,0 @@ public class RegionLimitedWorldAccess implements GeneratorAccessSeed {
private final BiomeManager m;
private final ChunkCoordIntPair n;
private final ChunkCoordIntPair o;
+ private final StructureManager structureManager; // Paper - cache wrapped structure manager
public RegionLimitedWorldAccess(WorldServer worldserver, List<IChunkAccess> list) {
int i = MathHelper.floor(Math.sqrt((double) list.size()));
@@ -0,0 +0,0 @@ public class RegionLimitedWorldAccess implements GeneratorAccessSeed {
this.m = new BiomeManager(this, BiomeManager.a(this.g), worldserver.getDimensionManager().getGenLayerZoomer());
this.n = ((IChunkAccess) list.get(0)).getPos();
this.o = ((IChunkAccess) list.get(list.size() - 1)).getPos();
+ this.structureManager = this.f.getStructureManager().a(this); // Paper - cache wrapped structure manager
}
}
@@ -0,0 +0,0 @@ public class RegionLimitedWorldAccess implements GeneratorAccessSeed {
@Override
public Stream<? extends StructureStart<?>> a(SectionPosition sectionposition, StructureGenerator<?> structuregenerator) {
- return this.f.a(sectionposition, structuregenerator);
+ return structureManager.a(sectionposition, structuregenerator); // Paper - wrapped structure manager to prevent deadlock, see #4272 and MC-199487
}
}