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Fix NBT pieces overriding a block entity during worldgen deadlock (#7692)

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Etil 2022-04-07 10:42:20 +02:00
parent 8c4f740b81
commit 40272de53a
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patches/server/Fix-NBT-pieces-overriding-a-block-entity-during-worl.patch Normal file
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: etil2jz <blanchot.arthur@protonmail.ch>
Date: Sat, 2 Apr 2022 23:29:24 +0200
Subject: [PATCH] Fix NBT pieces overriding a block entity during worldgen
deadlock
By checking if the world passed into StructureTemplate's placeInWorld
is not a WorldGenRegion, we can bypass the deadlock entirely.
See https://bugs.mojang.com/browse/MC-246262
diff --git a/src/main/java/net/minecraft/world/level/levelgen/structure/templatesystem/StructureTemplate.java b/src/main/java/net/minecraft/world/level/levelgen/structure/templatesystem/StructureTemplate.java
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/net/minecraft/world/level/levelgen/structure/templatesystem/StructureTemplate.java
+++ b/src/main/java/net/minecraft/world/level/levelgen/structure/templatesystem/StructureTemplate.java
@@ -0,0 +0,0 @@ public class StructureTemplate {
if (definedstructure_blockinfo.nbt != null) {
tileentity = world.getBlockEntity(blockposition2);
- Clearable.tryClear(tileentity);
+ // Paper start - Fix NBT pieces overriding a block entity during worldgen deadlock
+ if (!(world instanceof net.minecraft.world.level.WorldGenLevel)) {
+ Clearable.tryClear(tileentity);
+ }
+ // Paper end
world.setBlock(blockposition2, Blocks.BARRIER.defaultBlockState(), 20);
}
@@ -0,0 +0,0 @@ public class StructureTemplate {
if (pair1.getSecond() != null) {
tileentity = world.getBlockEntity(blockposition6);
if (tileentity != null) {
- tileentity.setChanged();
+ // Paper start - Fix NBT pieces overriding a block entity during worldgen deadlock
+ if (!(world instanceof net.minecraft.world.level.WorldGenLevel)) {
+ tileentity.setChanged();
+ }
+ // Paper end
}
}
}