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 4587a3668b6be9222cdd74a38229f89f611d1af6..9f32861d791f7e4cb39d2ad01f48e1916fc2b4b1 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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@@ -33,6 +33,12 @@ public class Vec3i implements Comparable<Vec3i> {
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return CODEC.flatXmap(checkOffsetAxes(maxAbsValue), checkOffsetAxes(maxAbsValue));
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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 19aca3026b2c5a7eb4288ef1a0ea297989d1c948..7c058e32b83847625bd4136bfed9b5804e8beca7 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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@@ -276,7 +276,7 @@ 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 91d2939bde77c52c25d2633dacc461d7284ef2d3..0d815a39d50bb8c06f81e3386764db6a00d84985 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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@@ -119,6 +119,7 @@ public abstract class ChunkAccess implements BlockGetter, BiomeManager.NoiseBiom
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return GameEventDispatcher.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 80e383e9a2d12f9f1b0b0d9ae71a0add9b51c9d4..a9c65c8d36e5c7080133706df1363b3ce52e3370 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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@@ -21,6 +21,12 @@ public class EmptyLevelChunk extends LevelChunk {
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this.biome = holder;
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}
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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 475663848a612f356a8e01330b03efb33e98fcec..ca46ed27fdc1eef979829d19b9e90db6d5c59e09 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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@@ -47,6 +47,12 @@ 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 2704a05766d42b0277fa6308820b88371db00ace..a508b7c6dbf9f7acdca77c219d7dd2492cd7c6b8 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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@@ -296,12 +296,29 @@ 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 dddae1e226d8f58cdcfc597e25d4228cd3245cb4..ae37e97e52557b48f129cc02eeea395378a48444 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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@@ -21,7 +21,7 @@ public class LevelChunkSection {
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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 final int bottomBlockY;
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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 3b11824a1b85da437eec108f631eacfb5192459e..5ce6a2b83546f4dbc3183a386f51b4bacc173744 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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@@ -88,14 +88,18 @@ 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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