Add back fix swamp hut deadlock patch

This commit is contained in:
Jake Potrebic 2022-06-08 07:58:51 -07:00
parent a6bc17b8bb
commit 7a165c9c5d
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GPG Key ID: 27CC63F7CBC866C7
41 changed files with 63 additions and 57 deletions

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@ -1,56 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Sat, 12 Mar 2022 06:31:13 -0800
Subject: [PATCH] Fix swamp hut cat generation deadlock
The worldgen thread will attempt to get structure references
via the world's getChunkAt method, which is fine if the gen is
not cancelled - but if the chunk was unloaded, the call will block
indefinitely. Instead of using the world state, we use the already
supplied generatoraccess which will always have the chunk available.
diff --git a/src/main/java/net/minecraft/world/entity/animal/Cat.java b/src/main/java/net/minecraft/world/entity/animal/Cat.java
index 5f7c394f9cc178c9cb06c90b91296b979d61239b..e4eac546836b73b5e9c8fd68ca0d32c01148313e 100644
--- a/src/main/java/net/minecraft/world/entity/animal/Cat.java
+++ b/src/main/java/net/minecraft/world/entity/animal/Cat.java
@@ -392,7 +392,7 @@ public class Cat extends TamableAnimal {
Registry<ConfiguredStructureFeature<?, ?>> iregistry = worldserver1.registryAccess().registryOrThrow(Registry.CONFIGURED_STRUCTURE_FEATURE_REGISTRY);
if (ChunkGenerator.allConfigurations(iregistry, StructureFeature.SWAMP_HUT).anyMatch((structurefeature) -> {
- return worldserver1.structureFeatureManager().getStructureWithPieceAt(this.blockPosition(), structurefeature).isValid();
+ return worldserver1.structureFeatureManager().getStructureWithPieceAt(this.blockPosition(), structurefeature, world).isValid(); // Paper - fix deadlock
})) {
this.setCatType(10);
this.setPersistenceRequired();
diff --git a/src/main/java/net/minecraft/world/level/StructureFeatureManager.java b/src/main/java/net/minecraft/world/level/StructureFeatureManager.java
index 2825975e5b33ea13f199008c7a4abc72ebf990b3..56c4f849d92b38537602fd77e481ee60a25bc84b 100644
--- a/src/main/java/net/minecraft/world/level/StructureFeatureManager.java
+++ b/src/main/java/net/minecraft/world/level/StructureFeatureManager.java
@@ -56,7 +56,12 @@ public class StructureFeatureManager {
}
public List<StructureStart> startsForFeature(SectionPos sectionPos, ConfiguredStructureFeature<?, ?> configuredStructureFeature) {
- LongSet longSet = this.level.getChunk(sectionPos.x(), sectionPos.z(), ChunkStatus.STRUCTURE_REFERENCES).getReferencesForFeature(configuredStructureFeature);
+ // Paper start - add world option
+ return this.startsForFeature(sectionPos, configuredStructureFeature, (ServerLevelAccessor)null);
+ }
+ public List<StructureStart> startsForFeature(SectionPos sectionPos, ConfiguredStructureFeature<?, ?> configuredStructureFeature, ServerLevelAccessor world) {
+ LongSet longSet = (world == null ? this.level : world).getChunk(sectionPos.x(), sectionPos.z(), ChunkStatus.STRUCTURE_REFERENCES).getReferencesForFeature(configuredStructureFeature);
+ // Paper end - add world option
ImmutableList.Builder<StructureStart> builder = ImmutableList.builder();
this.fillStartsForFeature(configuredStructureFeature, longSet, builder::add);
return builder.build();
@@ -106,7 +111,12 @@ public class StructureFeatureManager {
}
public StructureStart getStructureWithPieceAt(BlockPos pos, ConfiguredStructureFeature<?, ?> configuredStructureFeature) {
- for(StructureStart structureStart : this.startsForFeature(SectionPos.of(pos), configuredStructureFeature)) {
+ // Paper start - add world option
+ return this.getStructureWithPieceAt(pos, configuredStructureFeature, (ServerLevelAccessor)null);
+ }
+ public StructureStart getStructureWithPieceAt(BlockPos pos, ConfiguredStructureFeature<?, ?> configuredStructureFeature, ServerLevelAccessor world) {
+ // Paper end - add world option
+ for(StructureStart structureStart : this.startsForFeature(SectionPos.of(pos), configuredStructureFeature, world)) { // Paper - add world option
if (this.structureHasPieceAt(pos, structureStart)) {
return structureStart;
}

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@ -0,0 +1,62 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Spottedleaf <Spottedleaf@users.noreply.github.com>
Date: Sat, 12 Mar 2022 06:31:13 -0800
Subject: [PATCH] Fix swamp hut cat generation deadlock
The worldgen thread will attempt to get structure references
via the world's getChunkAt method, which is fine if the gen is
not cancelled - but if the chunk was unloaded, the call will block
indefinitely. Instead of using the world state, we use the already
supplied ServerLevelAccessor which will always have the chunk available.
diff --git a/src/main/java/net/minecraft/world/entity/animal/Cat.java b/src/main/java/net/minecraft/world/entity/animal/Cat.java
index 5ad968a2f1add27da0d6a858e683d5d771128092..e44352857272a2a4027c67bd25a28a9498b7bb49 100644
--- a/src/main/java/net/minecraft/world/entity/animal/Cat.java
+++ b/src/main/java/net/minecraft/world/entity/animal/Cat.java
@@ -361,7 +361,7 @@ public class Cat extends TamableAnimal {
});
ServerLevel worldserver = world.getLevel();
- if (worldserver.structureManager().getStructureWithPieceAt(this.blockPosition(), StructureTags.CATS_SPAWN_AS_BLACK).isValid()) {
+ if (worldserver.structureManager().getStructureWithPieceAt(this.blockPosition(), StructureTags.CATS_SPAWN_AS_BLACK, world).isValid()) { // Paper - fix deadlock
this.setCatVariant(CatVariant.ALL_BLACK);
this.setPersistenceRequired();
}
diff --git a/src/main/java/net/minecraft/world/level/StructureManager.java b/src/main/java/net/minecraft/world/level/StructureManager.java
index 21afcbc71fdb10994f2f3451f5b06e4bb75c60c7..bca1e39da66a889caf92c28b6348623a440e1c7f 100644
--- a/src/main/java/net/minecraft/world/level/StructureManager.java
+++ b/src/main/java/net/minecraft/world/level/StructureManager.java
@@ -43,7 +43,12 @@ public class StructureManager {
}
public List<StructureStart> startsForStructure(ChunkPos chunkPos, Predicate<Structure> predicate) {
- Map<Structure, LongSet> map = this.level.getChunk(chunkPos.x, chunkPos.z, ChunkStatus.STRUCTURE_REFERENCES).getAllReferences();
+ // Paper start
+ return this.startsForStructure(chunkPos, predicate, null);
+ }
+ public List<StructureStart> startsForStructure(ChunkPos chunkPos, Predicate<Structure> predicate, @Nullable ServerLevelAccessor levelAccessor) {
+ // Paper end
+ Map<Structure, LongSet> map = (levelAccessor == null ? this.level : levelAccessor).getChunk(chunkPos.x, chunkPos.z, ChunkStatus.STRUCTURE_REFERENCES).getAllReferences();
ImmutableList.Builder<StructureStart> builder = ImmutableList.builder();
for(Map.Entry<Structure, LongSet> entry : map.entrySet()) {
@@ -107,13 +112,18 @@ public class StructureManager {
}
public StructureStart getStructureWithPieceAt(BlockPos pos, TagKey<Structure> structureTag) {
+ // Paper start
+ return this.getStructureWithPieceAt(pos, structureTag, null);
+ }
+ public StructureStart getStructureWithPieceAt(BlockPos pos, TagKey<Structure> structureTag, @Nullable ServerLevelAccessor levelAccessor) {
+ // Paper end
Registry<Structure> registry = this.registryAccess().registryOrThrow(Registry.STRUCTURE_REGISTRY);
for(StructureStart structureStart : this.startsForStructure(new ChunkPos(pos), (structure) -> {
return registry.getHolder(registry.getId(structure)).map((holder) -> {
return holder.is(structureTag);
}).orElse(false);
- })) {
+ }, levelAccessor)) { // Paper
if (this.structureHasPieceAt(pos, structureStart)) {
return structureStart;
}

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@ -5,7 +5,7 @@ Subject: [PATCH] Add EntityDyeEvent and CollarColorable interface
diff --git a/src/main/java/net/minecraft/world/entity/animal/Cat.java b/src/main/java/net/minecraft/world/entity/animal/Cat.java
index 5ad968a2f1add27da0d6a858e683d5d771128092..4e42bcb48c75c816e89e652c898242a9bd8c9d5a 100644
index e44352857272a2a4027c67bd25a28a9498b7bb49..ab86bfdaebe9b8791f0cfa6e0c61f80c8f891a93 100644
--- a/src/main/java/net/minecraft/world/entity/animal/Cat.java
+++ b/src/main/java/net/minecraft/world/entity/animal/Cat.java
@@ -399,6 +399,13 @@ public class Cat extends TamableAnimal {