Mirror von
https://github.com/PaperMC/Paper.git
synchronisiert 2024-12-15 19:10:09 +01:00
38dc3b25d8
When per-player mob spawning is enabled we do not need to randomly shuffle the chunk list. Additionally, we can use the NearbyPlayers class to quickly retrieve nearby players instead of possible searching all players on the server.
167 Zeilen
8.3 KiB
Diff
167 Zeilen
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 37d5abf5a18b90695d1cea9e365c764e93b918bf..5502d037279ba876f5e4c6728cc678f128bce9d4 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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@@ -368,7 +368,7 @@ public abstract class Level implements LevelAccessor, AutoCloseable {
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// Paper end
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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 d13652d5001c117582b8c470d40207a6c10cb096..f6286284b95df0ab6109ff14fda33a48b163f8c2 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 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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