PaperMC/patches/server/0813-Fix-ChunkSnapshot-isSectionEmpty-int-and-optimize-Pa.patch
Nassim Jahnke 1cfd363d32
Updated Upstream (Bukkit/CraftBukkit/Spigot)
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:
fc460d1b PR-735: Add Villager#zombify
c8c8331e PR-690: Add method to read ItemStack input
62845f2f SPIGOT-6829: Add per-player world border API

CraftBukkit Changes:
a459f4d4 PR-1033: Add Villager#zombify
d65d1430 PR-975: Add method to read ItemStack input
b5559f8c SPIGOT-6990: Fix setRepairCost(0) in Anvil
6c308e1b SPIGOT-6829: Add per-player world border API

Spigot Changes:
42b61526 SPIGOT-7000: Generation and /locate issues when using custom structure seeds
2022-04-16 10:29:50 +02:00

43 lines
2.7 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jason Penilla <11360596+jpenilla@users.noreply.github.com>
Date: Thu, 9 Dec 2021 00:08:11 -0800
Subject: [PATCH] Fix ChunkSnapshot#isSectionEmpty(int) and optimize
PalettedContainer copying by not using codecs
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftChunk.java b/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
index 0cf67d55ab30ab145ffb2ff562c26c47c2e2879e..403aba29347c779da75337531c3723632120e7c9 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
@@ -282,13 +282,17 @@ public class CraftChunk implements Chunk {
PalettedContainer<Holder<Biome>>[] biome = (includeBiome || includeBiomeTempRain) ? new PalettedContainer[cs.length] : null;
Registry<Biome> iregistry = this.worldServer.registryAccess().registryOrThrow(Registry.BIOME_REGISTRY);
- Codec<PalettedContainer<Holder<Biome>>> biomeCodec = PalettedContainer.codec(iregistry.asHolderIdMap(), iregistry.holderByNameCodec(), PalettedContainer.Strategy.SECTION_BIOMES, iregistry.getHolderOrThrow(Biomes.PLAINS), null); // Paper - Anti-Xray - Add preset biomes
for (int i = 0; i < cs.length; i++) {
- CompoundTag data = new CompoundTag();
- data.put("block_states", ChunkSerializer.BLOCK_STATE_CODEC.encodeStart(NbtOps.INSTANCE, cs[i].getStates()).get().left().get());
- sectionBlockIDs[i] = ChunkSerializer.BLOCK_STATE_CODEC.parse(NbtOps.INSTANCE, data.getCompound("block_states")).get().left().get();
+ // Paper start
+ sectionEmpty[i] = cs[i].hasOnlyAir(); // Paper - fix sectionEmpty array not being filled
+ if (!sectionEmpty[i]) {
+ sectionBlockIDs[i] = cs[i].getStates().copy(); // Paper - use copy instead of round tripping with codecs
+ } else {
+ sectionBlockIDs[i] = CraftChunk.emptyBlockIDs; // Paper - use cached instance for empty block sections
+ }
+ // Paper end
LevelLightEngine lightengine = chunk.level.getLightEngine();
DataLayer skyLightArray = lightengine.getLayerListener(LightLayer.SKY).getDataLayerData(SectionPos.of(x, i, z));
@@ -307,8 +311,7 @@ public class CraftChunk implements Chunk {
}
if (biome != null) {
- data.put("biomes", biomeCodec.encodeStart(NbtOps.INSTANCE, cs[i].getBiomes()).get().left().get());
- biome[i] = biomeCodec.parse(NbtOps.INSTANCE, data.getCompound("biomes")).get().left().get();
+ biome[i] = cs[i].getBiomes().copy(); // Paper - use copy instead of round tripping with codecs
}
}