mirror of
https://github.com/PaperMC/Paper.git
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167 lines
8.3 KiB
Diff
167 lines
8.3 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Aikar <aikar@aikar.co>
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Date: Thu, 3 Mar 2016 02:07:55 -0600
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Subject: [PATCH] Optimize isInWorldBounds and getBlockState for inlining
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Hot methods, so reduce # of instructions for the method.
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Move is valid location test to the BlockPosition class so that it can access local variables.
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Replace all calls to the new place to the unnecessary forward.
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Optimize getType and getBlockData to manually inline and optimize the calls
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diff --git a/src/main/java/net/minecraft/core/Vec3i.java b/src/main/java/net/minecraft/core/Vec3i.java
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index 1b29c6872ebe54351f28c1f1f38b22561ba785ee..40950db0c242c65dfd4de247c86249354d12108f 100644
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--- a/src/main/java/net/minecraft/core/Vec3i.java
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+++ b/src/main/java/net/minecraft/core/Vec3i.java
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@@ -31,6 +31,12 @@ public class Vec3i implements Comparable<Vec3i> {
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});
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}
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+ // Paper start
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+ public final boolean isInsideBuildHeightAndWorldBoundsHorizontal(net.minecraft.world.level.LevelHeightAccessor levelHeightAccessor) {
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+ return getX() >= -30000000 && getZ() >= -30000000 && getX() < 30000000 && getZ() < 30000000 && !levelHeightAccessor.isOutsideBuildHeight(getY());
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+ }
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+ // Paper end
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+
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public Vec3i(int x, int y, int z) {
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this.x = x;
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this.y = y;
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diff --git a/src/main/java/net/minecraft/world/level/Level.java b/src/main/java/net/minecraft/world/level/Level.java
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index 809f7db469583ea90fbb165cf180dc87055c6105..e5194f0650af2bce8aac24e34752b21015b92d4e 100644
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--- a/src/main/java/net/minecraft/world/level/Level.java
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+++ b/src/main/java/net/minecraft/world/level/Level.java
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@@ -284,7 +284,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
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}
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public boolean isInWorldBounds(BlockPos pos) {
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- return !this.isOutsideBuildHeight(pos) && Level.isInWorldBoundsHorizontal(pos);
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+ return pos.isInsideBuildHeightAndWorldBoundsHorizontal(this); // Paper - use better/optimized check
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}
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public static boolean isInSpawnableBounds(BlockPos pos) {
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diff --git a/src/main/java/net/minecraft/world/level/chunk/ChunkAccess.java b/src/main/java/net/minecraft/world/level/chunk/ChunkAccess.java
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index 2caac1a3d80e6c490aa16aa6bc1067065b665c69..525c89bc926f13af6f94fc46c897525e37477eca 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/ChunkAccess.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/ChunkAccess.java
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@@ -166,6 +166,7 @@ public abstract class ChunkAccess implements BlockGetter, BiomeManager.NoiseBiom
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return GameEventListenerRegistry.NOOP;
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}
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+ public abstract BlockState getBlockState(final int x, final int y, final int z); // Paper
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@Nullable
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public abstract BlockState setBlockState(BlockPos pos, BlockState state, boolean moved);
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diff --git a/src/main/java/net/minecraft/world/level/chunk/EmptyLevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/EmptyLevelChunk.java
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index f49cc61840c6588fca301b4c5c3aaeede03a323e..785fa679860413b736122f8e88a92e683cbdd99f 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/EmptyLevelChunk.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/EmptyLevelChunk.java
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@@ -55,6 +55,12 @@ public class EmptyLevelChunk extends LevelChunk {
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public void setBlockEmptinessMap(final boolean[] emptinessMap) {}
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// Paper end - starlight
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+ // Paper start
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+ @Override
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+ public BlockState getBlockState(int x, int y, int z) {
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+ return Blocks.VOID_AIR.defaultBlockState();
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+ }
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+ // Paper end
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@Override
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public BlockState getBlockState(BlockPos pos) {
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return Blocks.VOID_AIR.defaultBlockState();
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diff --git a/src/main/java/net/minecraft/world/level/chunk/ImposterProtoChunk.java b/src/main/java/net/minecraft/world/level/chunk/ImposterProtoChunk.java
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index 60e760b42dd6471a229dfd45490dcf8c51979d35..4a3ac7dedf5cb1e76f16ec4f18e82afc717d0ced 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/ImposterProtoChunk.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/ImposterProtoChunk.java
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@@ -91,6 +91,12 @@ public class ImposterProtoChunk extends ProtoChunk {
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public BlockState getBlockState(BlockPos pos) {
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return this.wrapped.getBlockState(pos);
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}
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+ // Paper start
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+ @Override
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+ public final BlockState getBlockState(final int x, final int y, final int z) {
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+ return this.wrapped.getBlockStateFinal(x, y, z);
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+ }
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+ // Paper end
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@Override
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public FluidState getFluidState(BlockPos pos) {
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diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
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index 36701f196756dc7c6820cac516ff880d00a43b17..72637bb342f1260debf925f5b3fde8ec7dd3cfff 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunk.java
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@@ -295,12 +295,29 @@ public class LevelChunk extends ChunkAccess {
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}
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}
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+ // Paper start - Optimize getBlockData to reduce instructions
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@Override
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public BlockState getBlockState(BlockPos pos) {
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- int i = pos.getX();
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- int j = pos.getY();
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- int k = pos.getZ();
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+ return this.getBlockStateFinal(pos.getX(), pos.getY(), pos.getZ());
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+ }
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+
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+ @Override
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+ public BlockState getBlockState(final int x, final int y, final int z) {
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+ return this.getBlockStateFinal(x, y, z);
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+ }
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+ public final BlockState getBlockStateFinal(final int x, final int y, final int z) {
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+ // Method body / logic copied from below
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+ final int i = this.getSectionIndex(y);
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+ if (i < 0 || i >= this.sections.length || this.sections[i].nonEmptyBlockCount == 0 || this.sections[i].hasOnlyAir()) {
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+ return Blocks.AIR.defaultBlockState();
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+ }
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+ // Inlined ChunkSection.getType() and DataPaletteBlock.a(int,int,int)
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+ return this.sections[i].states.get((y & 15) << 8 | (z & 15) << 4 | x & 15);
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+ }
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+
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+ public BlockState getBlockState_unused(int i, int j, int k) {
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+ // Paper end
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if (this.level.isDebug()) {
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BlockState iblockdata = null;
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diff --git a/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java b/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java
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index d59392c322936ce89b759ac9787c8f4f0b228af6..2c3ea88bac229df67bd742e16d2106d80bcc8889 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/LevelChunkSection.java
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@@ -19,7 +19,7 @@ public class LevelChunkSection {
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public static final int SECTION_HEIGHT = 16;
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public static final int SECTION_SIZE = 4096;
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public static final int BIOME_CONTAINER_BITS = 2;
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- private short nonEmptyBlockCount;
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+ short nonEmptyBlockCount; // Paper - package-private
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private short tickingBlockCount;
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private short tickingFluidCount;
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public final PalettedContainer<BlockState> states;
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diff --git a/src/main/java/net/minecraft/world/level/chunk/ProtoChunk.java b/src/main/java/net/minecraft/world/level/chunk/ProtoChunk.java
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index b2c0c7fd06fcd720b4c0875f08a90b6b672c96b2..6c72eb36020bc05104b21e52cea89de09b85f2d7 100644
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--- a/src/main/java/net/minecraft/world/level/chunk/ProtoChunk.java
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+++ b/src/main/java/net/minecraft/world/level/chunk/ProtoChunk.java
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@@ -92,14 +92,18 @@ public class ProtoChunk extends ChunkAccess {
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@Override
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public BlockState getBlockState(BlockPos pos) {
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- int i = pos.getY();
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- if (this.isOutsideBuildHeight(i)) {
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+ // Paper start
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+ return getBlockState(pos.getX(), pos.getY(), pos.getZ());
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+ }
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+ public BlockState getBlockState(final int x, final int y, final int z) {
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+ if (this.isOutsideBuildHeight(y)) {
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return Blocks.VOID_AIR.defaultBlockState();
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} else {
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- LevelChunkSection levelChunkSection = this.getSection(this.getSectionIndex(i));
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- return levelChunkSection.hasOnlyAir() ? Blocks.AIR.defaultBlockState() : levelChunkSection.getBlockState(pos.getX() & 15, i & 15, pos.getZ() & 15);
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+ LevelChunkSection levelChunkSection = this.getSections()[this.getSectionIndex(y)];
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+ return levelChunkSection.hasOnlyAir() ? Blocks.AIR.defaultBlockState() : levelChunkSection.getBlockState(x & 15, y & 15, z & 15);
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}
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}
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+ // Paper end
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@Override
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public FluidState getFluidState(BlockPos pos) {
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