Upstream/Paper
1
0
Fork 0
mirror of https://github.com/PaperMC/Paper.git synced 2024-12-29 12:27:59 +01:00
Code Issues Projects Releases Wiki Activity

Remove codec usage in chunk snapshot creation (#7093)

Browse Source
This commit is contained in:
Jason Penilla 2021-12-11 17:50:45 -08:00
parent 5e88cf1ae4
commit 389b1401e9
2 changed files with 44 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
patches/server/Fix-ChunkSnapshot-isSectionEmpty-int-and-optimize-Pa.patch Normal file
View File

@ -0,0 +1,44 @@
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 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
@@ -0,0 +0,0 @@ public class CraftChunk implements Chunk {
boolean[] sectionEmpty = new boolean[cs.length];
PalettedContainer<Biome>[] biome = (includeBiome || includeBiomeTempRain) ? new PalettedContainer[cs.length] : null;
- Registry<Biome> iregistry = this.worldServer.registryAccess().registryOrThrow(Registry.BIOME_REGISTRY);
- 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++) {
- 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));
@@ -0,0 +0,0 @@ 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
}
}

26
patches/server/Fix-ChunkSnapshot-isSectionEmpty-int.patch
View File

@ -1,26 +0,0 @@
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 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
--- a/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
+++ b/src/main/java/org/bukkit/craftbukkit/CraftChunk.java
@@ -0,0 +0,0 @@ public class CraftChunk implements Chunk {
for (int i = 0; i < cs.length; i++) {
CompoundTag data = new CompoundTag();
+ // Paper start
+ sectionEmpty[i] = cs[i].hasOnlyAir();
+ if (!sectionEmpty[i]) {
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();
+ } else {
+ sectionBlockIDs[i] = CraftChunk.emptyBlockIDs;
+ }
+ // Paper end
LevelLightEngine lightengine = chunk.level.getLightEngine();
DataLayer skyLightArray = lightengine.getLayerListener(LightLayer.SKY).getDataLayerData(SectionPos.of(x, i, z));