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https://github.com/SparklyPower/SparklyPaper.git
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78 lines
4.2 KiB
Diff
78 lines
4.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Paul Sauve <paul@technove.co>
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Date: Thu, 4 Feb 2021 23:28:46 -0600
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Subject: [PATCH] Cache palette array
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The reasoning for reusing it in ChunkRegionLoader is because ThreadLocal
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lookups are fairly expensive, and if we put it in DataPaletteBlock the
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ThreadLocal lookup would happen 18 times.
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Airplane
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Copyright (C) 2020 Technove LLC
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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diff --git a/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java b/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java
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index c9e942669458668a184aaec3bc0a5509dd6ab5f0..178e56ffc87ea2beb4d84d1f278f4acf90102379 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/PalettedContainer.java
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@@ -263,13 +263,17 @@ public class PalettedContainer<T> implements PaletteResize<T> {
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}
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+ // Airplane start - allow reusing int array
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public synchronized void write(CompoundTag nbt, String paletteKey, String dataKey) { // Paper - synchronize
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+ this.write(nbt, paletteKey, dataKey, new int[4096]);
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+ }
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+ public synchronized void write(CompoundTag nbt, String paletteKey, String dataKey, int[] is) { // Paper - synchronize // Airplane end
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try {
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this.acquire();
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HashMapPalette<T> hashMapPalette = new HashMapPalette<>(this.registry, this.bits, this.dummyPaletteResize, this.reader, this.writer);
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T object = this.defaultValue;
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int i = hashMapPalette.idFor(this.defaultValue);
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- int[] is = new int[4096];
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+ //int[] is = new int[4096]; // Airplane
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for(int j = 0; j < 4096; ++j) {
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T object2 = this.get(j);
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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
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index 7921ee2786d0d6a60d43786b20efc03a0f9178e3..9ea4229f58679c6c833762fc6a50471445ff0b9d 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/storage/ChunkSerializer.java
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@@ -500,6 +500,7 @@ public class ChunkSerializer {
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return new AsyncSaveData(blockLight, skyLight, blockTickListSerialized, fluidTickListSerialized, blockEntitiesSerialized, world.getGameTime());
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}
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+ private static final ThreadLocal<int[]> paletteArray = ThreadLocal.withInitial(() -> new int[4096]); // Airplane
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public static CompoundTag write(ServerLevel world, ChunkAccess chunk) {
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return saveChunk(world, chunk, null);
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}
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@@ -533,6 +534,7 @@ public class ChunkSerializer {
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ThreadedLevelLightEngine lightenginethreaded = world.getChunkSource().getLightEngine();
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boolean flag = chunk.isLightCorrect();
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+ int[] is = paletteArray.get(); // Airplane - use cached
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for (int i = lightenginethreaded.getMinLightSection(); i < lightenginethreaded.getMaxLightSection(); ++i) {
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int finalI = i; // CraftBukkit - decompile errors
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LevelChunkSection chunksection = (LevelChunkSection) Arrays.stream(achunksection).filter((chunksection1) -> {
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@@ -547,7 +549,7 @@ public class ChunkSerializer {
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nbttagcompound2.putByte("Y", (byte) (i & 255));
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if (chunksection != LevelChunk.EMPTY_SECTION) {
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- chunksection.getStates().write(nbttagcompound2, "Palette", "BlockStates");
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+ chunksection.getStates().write(nbttagcompound2, "Palette", "BlockStates", is); // Airplane - reuse array
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}
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// Paper start - replace light engine
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