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dc684c60d1
The new behavior of disconnect to block the current thread until the disconnect succeeded is better than throwing it off to happen at some point
40 lines
2.5 KiB
Diff
40 lines
2.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: etil2jz <blanchot.arthur@protonmail.ch>
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Date: Sat, 2 Apr 2022 23:29:24 +0200
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Subject: [PATCH] Fix NBT pieces overriding a block entity during worldgen
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deadlock
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By checking if the world passed into StructureTemplate's placeInWorld
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is not a WorldGenRegion, we can bypass the deadlock entirely.
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See https://bugs.mojang.com/browse/MC-246262
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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
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index 33564e62e3181d28b18a957e28b8ec5152d8339f..cf8258e8d46ca7286a66c38fa24af369bd9a279f 100644
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--- a/src/main/java/net/minecraft/world/level/levelgen/structure/templatesystem/StructureTemplate.java
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+++ b/src/main/java/net/minecraft/world/level/levelgen/structure/templatesystem/StructureTemplate.java
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@@ -279,7 +279,11 @@ public class StructureTemplate {
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if (definedstructure_blockinfo.nbt != null) {
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tileentity = world.getBlockEntity(blockposition2);
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- Clearable.tryClear(tileentity);
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+ // Paper start - Fix NBT pieces overriding a block entity during worldgen deadlock
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+ if (!(world instanceof net.minecraft.world.level.WorldGenLevel)) {
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+ Clearable.tryClear(tileentity);
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+ }
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+ // Paper end - Fix NBT pieces overriding a block entity during worldgen deadlock
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world.setBlock(blockposition2, Blocks.BARRIER.defaultBlockState(), 20);
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}
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// CraftBukkit start
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@@ -406,7 +410,11 @@ public class StructureTemplate {
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if (pair1.getSecond() != null) {
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tileentity = world.getBlockEntity(blockposition6);
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if (tileentity != null) {
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- tileentity.setChanged();
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+ // Paper start - Fix NBT pieces overriding a block entity during worldgen deadlock
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+ if (!(world instanceof net.minecraft.world.level.WorldGenLevel)) {
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+ tileentity.setChanged();
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+ }
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+ // Paper end - Fix NBT pieces overriding a block entity during worldgen deadlock
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}
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}
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}
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