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SparklyPaperMC/patches/server/0009-Cache-palette-array.patch
MrPowerGamerBR 954e39affc Add Airplane patches
I've only added the ones that compile correctly, because some of them doesn't seem to compile with Paper/Tuinity's latest changes
2021-07-28 10:17:44 -03:00

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4.2 KiB
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Paul Sauve <paul@technove.co>
Date: Thu, 4 Feb 2021 23:28:46 -0600
Subject: [PATCH] Cache palette array
The reasoning for reusing it in ChunkRegionLoader is because ThreadLocal
lookups are fairly expensive, and if we put it in DataPaletteBlock the
ThreadLocal lookup would happen 18 times.
Airplane
Copyright (C) 2020 Technove LLC
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
diff --git a/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java b/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java
index ebeb3e3b0619b034a9681da999e9ac33cc241718..5b5ada474cff54b424946fc628d30f25a6774684 100644
--- a/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java
+++ b/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java
@@ -263,13 +263,17 @@ public class PalettedContainer<T> implements PaletteResize<T> {
}
+ // Airplane start - allow reusing int array
public synchronized void write(CompoundTag nbt, String paletteKey, String dataKey) { // Paper - synchronize
+ this.write(nbt, paletteKey, dataKey, new int[4096]);
+ }
+ public synchronized void write(CompoundTag nbt, String paletteKey, String dataKey, int[] is) { // Paper - synchronize // Airplane end
try {
this.acquire();
HashMapPalette<T> hashMapPalette = new HashMapPalette<>(this.registry, this.bits, this.dummyPaletteResize, this.reader, this.writer);
T object = this.defaultValue;
int i = hashMapPalette.idFor(this.defaultValue);
- int[] is = new int[4096];
+ //int[] is = new int[4096]; // Airplane
for(int j = 0; j < 4096; ++j) {
T object2 = this.get(j);
diff --git a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
index 9815a91040e7cbcbcd171e68b0a935ea26ff8a2a..384897c21ea16b5760d9218c292dd29c9dceeab7 100644
--- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
+++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
@@ -485,6 +485,7 @@ public class ChunkSerializer {
return new AsyncSaveData(blockLight, skyLight, blockTickListSerialized, fluidTickListSerialized, blockEntitiesSerialized, world.getGameTime());
}
+ private static final ThreadLocal<int[]> paletteArray = ThreadLocal.withInitial(() -> new int[4096]); // Airplane
public static CompoundTag write(ServerLevel world, ChunkAccess chunk) {
return saveChunk(world, chunk, null);
}
@@ -518,6 +519,7 @@ public class ChunkSerializer {
ThreadedLevelLightEngine lightenginethreaded = world.getChunkSource().getLightEngine();
boolean flag = chunk.isLightCorrect();
+ int[] is = paletteArray.get(); // Airplane - use cached
for (int i = lightenginethreaded.getMinLightSection(); i < lightenginethreaded.getMaxLightSection(); ++i) {
int finalI = i; // CraftBukkit - decompile errors
LevelChunkSection chunksection = (LevelChunkSection) Arrays.stream(achunksection).filter((chunksection1) -> {
@@ -532,7 +534,7 @@ public class ChunkSerializer {
nbttagcompound2.putByte("Y", (byte) (i & 255));
if (chunksection != LevelChunk.EMPTY_SECTION) {
- chunksection.getStates().write(nbttagcompound2, "Palette", "BlockStates");
+ chunksection.getStates().write(nbttagcompound2, "Palette", "BlockStates", is); // Airplane - reuse array
}
// Tuinity start - replace light engine