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03a4e7ac75
Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing Bukkit Changes: 37262de8 PR-812: Add Registry#match(String) d6b40162 SPIGOT-4569: Add more BlockData API f9691891 PR-809: Throw a more clear error for BlockIterators with zero direction, add Vector#isZero() 91e79e19 PR-804: Added methods to get translation keys for materials, itemstacks and more 426b00d3 PR-795: Add new BiomeParameterPoint passed to BiomeProvider#getBiome 0e91ea52 SPIGOT-7224: Add events for brewing stands and campfires starting their actions CraftBukkit Changes: a50301aa5 Fix issues with fluid tag conversion and fluid #isTagged 6aeb5e4c3 SPIGOT-4569: Implement more BlockData API 7dbf862c2 PR-1131: Added methods to get translation keys for materials, itemstacks and more 7167588b1 PR-1117: Add new BiomeParameterPoint passed to BiomeProvider#getBiome 7c44152eb SPIGOT-7224: Add events for brewing stands and campfires starting their actions
62 lines
3.7 KiB
Diff
62 lines
3.7 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 ad4392c3ec8f9f5f910f3be40f6b7dbfed223ca7..366f32b11f39a79210532c614fdbb2230b87d88f 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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@@ -366,7 +366,7 @@ public class Cat extends TamableAnimal implements VariantHolder<CatVariant> {
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});
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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 deadlock
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this.setVariant((CatVariant) BuiltInRegistries.CAT_VARIANT.getOrThrow(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 924c7a67abe334494c571f9b4c5c8a7d5dfef5b4..bad7031426ae6c750ae4376beb238186e7d65270 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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@@ -44,7 +44,12 @@ 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
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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
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ImmutableList.Builder<StructureStart> builder = ImmutableList.builder();
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for(Map.Entry<Structure, LongSet> entry : map.entrySet()) {
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@@ -108,13 +113,18 @@ public class StructureManager {
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}
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public StructureStart getStructureWithPieceAt(BlockPos pos, TagKey<Structure> structureTag) {
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+ // Paper start
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+ return this.getStructureWithPieceAt(pos, structureTag, null);
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+ }
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+ public StructureStart getStructureWithPieceAt(BlockPos pos, TagKey<Structure> structureTag, @Nullable ServerLevelAccessor levelAccessor) {
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+ // Paper end
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Registry<Structure> registry = this.registryAccess().registryOrThrow(Registries.STRUCTURE);
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for(StructureStart structureStart : this.startsForStructure(new ChunkPos(pos), (structure) -> {
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return registry.getHolder(registry.getId(structure)).map((reference) -> {
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return reference.is(structureTag);
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}).orElse(false);
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- })) {
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+ }, levelAccessor)) { // Paper
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if (this.structureHasPieceAt(pos, structureStart)) {
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return structureStart;
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}
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