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50 lines
3.3 KiB
Diff
50 lines
3.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Mon, 27 Apr 2020 02:48:06 -0700
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Subject: [PATCH] Reduce MutableInt allocations from light engine
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We can abuse the fact light is single threaded and share an instance
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per light engine instance
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diff --git a/src/main/java/net/minecraft/world/level/lighting/BlockLightEngine.java b/src/main/java/net/minecraft/world/level/lighting/BlockLightEngine.java
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index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
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--- a/src/main/java/net/minecraft/world/level/lighting/BlockLightEngine.java
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+++ b/src/main/java/net/minecraft/world/level/lighting/BlockLightEngine.java
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@@ -0,0 +0,0 @@ import org.apache.commons.lang3.mutable.MutableInt;
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public final class BlockLightEngine extends LayerLightEngine<BlockLightSectionStorage.BlockDataLayerStorageMap, BlockLightSectionStorage> {
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private static final Direction[] DIRECTIONS = Direction.values();
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private final BlockPos.MutableBlockPos pos = new BlockPos.MutableBlockPos();
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+ private final MutableInt mutableInt = new MutableInt(); // Paper
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public BlockLightEngine(LightChunkGetter chunkProvider) {
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super(chunkProvider, LightLayer.BLOCK, new BlockLightSectionStorage(chunkProvider));
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@@ -0,0 +0,0 @@ public final class BlockLightEngine extends LayerLightEngine<BlockLightSectionSt
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if (direction == null) {
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return 15;
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} else {
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- MutableInt mutableInt = new MutableInt();
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+ //MutableInt mutableint = new MutableInt(); // Paper - share mutableint, single threaded
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BlockState blockState = this.getStateAndOpacity(targetId, mutableInt);
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if (mutableInt.getValue() >= 15) {
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return 15;
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diff --git a/src/main/java/net/minecraft/world/level/lighting/SkyLightEngine.java b/src/main/java/net/minecraft/world/level/lighting/SkyLightEngine.java
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index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000 100644
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--- a/src/main/java/net/minecraft/world/level/lighting/SkyLightEngine.java
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+++ b/src/main/java/net/minecraft/world/level/lighting/SkyLightEngine.java
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@@ -0,0 +0,0 @@ import org.apache.commons.lang3.mutable.MutableInt;
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public final class SkyLightEngine extends LayerLightEngine<SkyLightSectionStorage.SkyDataLayerStorageMap, SkyLightSectionStorage> {
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private static final Direction[] DIRECTIONS = Direction.values();
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private static final Direction[] HORIZONTALS = new Direction[]{Direction.NORTH, Direction.SOUTH, Direction.WEST, Direction.EAST};
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+ private final MutableInt mutableInt = new MutableInt(); // Paper
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public SkyLightEngine(LightChunkGetter chunkProvider) {
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super(chunkProvider, LightLayer.SKY, new SkyLightSectionStorage(chunkProvider));
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@@ -0,0 +0,0 @@ public final class SkyLightEngine extends LayerLightEngine<SkyLightSectionStorag
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if (level >= 15) {
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return level;
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} else {
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- MutableInt mutableInt = new MutableInt();
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+ //MutableInt mutableint = new MutableInt(); // Paper - share mutableint, single threaded
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BlockState blockState = this.getStateAndOpacity(targetId, mutableInt);
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if (mutableInt.getValue() >= 15) {
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return 15;
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