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f17519338b
* Expose server build information * squash patches * final tweaks --------- Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com> Co-authored-by: masmc05 <masmc05@gmail.com>
65 Zeilen
4.3 KiB
Diff
65 Zeilen
4.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Sat, 12 Mar 2022 06:31:13 -0800
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Subject: [PATCH] Fix swamp hut cat generation deadlock
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The worldgen thread will attempt to get structure references
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via the world's getChunkAt method, which is fine if the gen is
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not cancelled - but if the chunk was unloaded, the call will block
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indefinitely. Instead of using the world state, we use the already
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supplied ServerLevelAccessor which will always have the chunk available.
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diff --git a/src/main/java/net/minecraft/world/entity/animal/Cat.java b/src/main/java/net/minecraft/world/entity/animal/Cat.java
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index 951b7f252e67b29092964019bb3463cb00e497e3..b5f13d1bf1cccb9a15d8956f68c960e25098dc98 100644
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--- a/src/main/java/net/minecraft/world/entity/animal/Cat.java
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+++ b/src/main/java/net/minecraft/world/entity/animal/Cat.java
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@@ -367,7 +367,7 @@ public class Cat extends TamableAnimal implements VariantHolder<Holder<CatVarian
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BuiltInRegistries.CAT_VARIANT.getRandomElementOf(tagkey, world.getRandom()).ifPresent(this::setVariant);
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ServerLevel worldserver = world.getLevel();
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- if (worldserver.structureManager().getStructureWithPieceAt(this.blockPosition(), StructureTags.CATS_SPAWN_AS_BLACK).isValid()) {
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+ if (worldserver.structureManager().getStructureWithPieceAt(this.blockPosition(), StructureTags.CATS_SPAWN_AS_BLACK, world).isValid()) { // Paper - Fix swamp hut cat generation deadlock
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this.setVariant((Holder) BuiltInRegistries.CAT_VARIANT.getHolderOrThrow(CatVariant.ALL_BLACK));
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this.setPersistenceRequired();
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}
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diff --git a/src/main/java/net/minecraft/world/level/StructureManager.java b/src/main/java/net/minecraft/world/level/StructureManager.java
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index ceec33ced3d0b65a3e800378e250d0166d0c195f..54972cce2314eff774250101df43a9b7074e9604 100644
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--- a/src/main/java/net/minecraft/world/level/StructureManager.java
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+++ b/src/main/java/net/minecraft/world/level/StructureManager.java
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@@ -48,7 +48,12 @@ public class StructureManager {
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}
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public List<StructureStart> startsForStructure(ChunkPos pos, Predicate<Structure> predicate) {
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- Map<Structure, LongSet> map = this.level.getChunk(pos.x, pos.z, ChunkStatus.STRUCTURE_REFERENCES).getAllReferences();
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+ // Paper start - Fix swamp hut cat generation deadlock
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+ return this.startsForStructure(pos, predicate, null);
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+ }
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+ public List<StructureStart> startsForStructure(ChunkPos pos, Predicate<Structure> predicate, @Nullable ServerLevelAccessor levelAccessor) {
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+ Map<Structure, LongSet> map = (levelAccessor == null ? this.level : levelAccessor).getChunk(pos.x, pos.z, ChunkStatus.STRUCTURE_REFERENCES).getAllReferences();
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+ // Paper end - Fix swamp hut cat generation deadlock
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Builder<StructureStart> builder = ImmutableList.builder();
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for (Entry<Structure, LongSet> entry : map.entrySet()) {
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@@ -116,10 +121,20 @@ public class StructureManager {
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}
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public StructureStart getStructureWithPieceAt(BlockPos pos, Predicate<Holder<Structure>> predicate) {
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+ // Paper start - Fix swamp hut cat generation deadlock
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+ return this.getStructureWithPieceAt(pos, predicate, null);
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+ }
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+
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+ public StructureStart getStructureWithPieceAt(BlockPos pos, TagKey<Structure> tag, @Nullable ServerLevelAccessor levelAccessor) {
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+ return this.getStructureWithPieceAt(pos, structure -> structure.is(tag), levelAccessor);
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+ }
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+
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+ public StructureStart getStructureWithPieceAt(BlockPos pos, Predicate<Holder<Structure>> predicate, @Nullable ServerLevelAccessor levelAccessor) {
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+ // Paper end - Fix swamp hut cat generation deadlock
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Registry<Structure> registry = this.registryAccess().registryOrThrow(Registries.STRUCTURE);
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for (StructureStart structureStart : this.startsForStructure(
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- new ChunkPos(pos), structure -> registry.getHolder(registry.getId(structure)).map(predicate::test).orElse(false)
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+ new ChunkPos(pos), structure -> registry.getHolder(registry.getId(structure)).map(predicate::test).orElse(false), levelAccessor // Paper - Fix swamp hut cat generation deadlock
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)) {
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if (this.structureHasPieceAt(pos, structureStart)) {
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return structureStart;
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