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Fix ChunkSnapshot#isSectionEmpty(int)

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Jason Penilla 2021-12-09 04:09:31 -08:00
parent 0e91b6ae9b
commit 188a8dfc4c
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1 changed files with 39 additions and 0 deletions
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patches/server/0829-Fix-ChunkSnapshot-isSectionEmpty-int.patch Normal file
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@ -0,0 +1,39 @@
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)
diff --git a/src/main/java/org/bukkit/craftbukkit/CraftChunk.java b/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
index db344e5b9f96f317a232304587e6b1673fc6067d..ca9282a0e608541837573d155bf9b95a105ba87d 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
@@ -53,6 +53,7 @@ public class CraftChunk implements Chunk {
private final int x;
private final int z;
private static final PalettedContainer<net.minecraft.world.level.block.state.BlockState> emptyBlockIDs = new PalettedContainer<>(net.minecraft.world.level.block.Block.BLOCK_STATE_REGISTRY, Blocks.AIR.defaultBlockState(), PalettedContainer.Strategy.SECTION_STATES, null); // Paper - Anti-Xray - Add preset block states
+ private static final PalettedContainer<net.minecraft.world.level.biome.Biome> EMPTY_BIOMES = new PalettedContainer<>(net.minecraft.server.MinecraftServer.getServer().registryAccess().registryOrThrow(Registry.BIOME_REGISTRY), net.minecraft.server.MinecraftServer.getServer().registryAccess().registryOrThrow(Registry.BIOME_REGISTRY).getOrThrow(Biomes.PLAINS), PalettedContainer.Strategy.SECTION_BIOMES, null); // Paper
private static final byte[] emptyLight = new byte[2048];
public CraftChunk(net.minecraft.world.level.chunk.LevelChunk chunk) {
@@ -284,6 +285,20 @@ public class CraftChunk implements Chunk {
Codec<PalettedContainer<Biome>> biomeCodec = PalettedContainer.codec(iregistry, iregistry.byNameCodec(), PalettedContainer.Strategy.SECTION_BIOMES, iregistry.getOrThrow(Biomes.PLAINS), null); // Paper - Anti-Xray - Add preset biomes
for (int i = 0; i < cs.length; i++) {
+ // Paper start
+ if (cs[i].hasOnlyAir()) {
+ sectionEmpty[i] = true;
+ sectionBlockIDs[i] = emptyBlockIDs;
+ sectionSkyLights[i] = emptyLight;
+ sectionEmitLights[i] = emptyLight;
+ if (biome != null) {
+ biome[i] = EMPTY_BIOMES;
+ }
+ continue;
+ } else {
+ sectionEmpty[i] = false;
+ }
+ // Paper end
CompoundTag data = new CompoundTag();
data.put("block_states", ChunkSerializer.BLOCK_STATE_CODEC.encodeStart(NbtOps.INSTANCE, cs[i].getStates()).get().left().get());