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https://github.com/PaperMC/Paper.git
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100 lines
4.3 KiB
Diff
100 lines
4.3 KiB
Diff
From 6e68c9fdd1c3e759ba521c5c6dfeedcead37fc40 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 isValidLocation, getType and getBlockData for inling
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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/server/BaseBlockPosition.java b/src/main/java/net/minecraft/server/BaseBlockPosition.java
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index a3b5793e4..71089442c 100644
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--- a/src/main/java/net/minecraft/server/BaseBlockPosition.java
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+++ b/src/main/java/net/minecraft/server/BaseBlockPosition.java
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@@ -13,6 +13,14 @@ public class BaseBlockPosition implements Comparable<BaseBlockPosition> {
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private final int b;
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@Deprecated
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private final int c;
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+ // Paper start
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+ public boolean isValidLocation() {
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+ return a >= -30000000 && c >= -30000000 && a < 30000000 && c < 30000000 && b >= 0 && b < 256;
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+ }
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+ public boolean isInvalidYLocation() {
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+ return b < 0 || b >= 256;
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+ }
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+ // Paper end
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public BaseBlockPosition(int i, int j, int k) {
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this.a = i;
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diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
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index ac11e214b..6e50efbf6 100644
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--- a/src/main/java/net/minecraft/server/Chunk.java
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+++ b/src/main/java/net/minecraft/server/Chunk.java
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@@ -290,12 +290,24 @@ public class Chunk implements IChunkAccess {
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return this.sections;
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}
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- @Override
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+ // Paper start - Optimize getBlockData to reduce instructions
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+ public final IBlockData getBlockData(BlockPosition pos) { return getBlockData(pos.getX(), pos.getY(), pos.getZ()); } // Paper
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public IBlockData getType(BlockPosition blockposition) {
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- int i = blockposition.getX();
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- int j = blockposition.getY();
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- int k = blockposition.getZ();
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+ return this.getBlockData(blockposition.getX(), blockposition.getY(), blockposition.getZ());
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+ }
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+ public final IBlockData getBlockData(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 = y >> 4;
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+ if (y >= 0 && i < this.sections.length && this.sections[i] != null) {
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+ // Inlined ChunkSection.getType() and DataPaletteBlock.a(int,int,int)
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+ return this.sections[i].blockIds.a((y & 15) << 8 | (z & 15) << 4 | x & 15);
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+ }
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+ return Blocks.AIR.getBlockData();
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+ }
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+
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+ public IBlockData getBlockData_unused(int i, int j, int k) {
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+ // Paper end
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if (this.world.P() == WorldType.DEBUG_ALL_BLOCK_STATES) {
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IBlockData iblockdata = null;
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diff --git a/src/main/java/net/minecraft/server/ChunkSection.java b/src/main/java/net/minecraft/server/ChunkSection.java
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index 652067757..0d5deee36 100644
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--- a/src/main/java/net/minecraft/server/ChunkSection.java
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+++ b/src/main/java/net/minecraft/server/ChunkSection.java
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@@ -9,7 +9,7 @@ public class ChunkSection {
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private short nonEmptyBlockCount;
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private short tickingBlockCount;
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private short e;
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- private final DataPaletteBlock<IBlockData> blockIds;
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+ final DataPaletteBlock<IBlockData> blockIds;
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public ChunkSection(int i) {
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this(i, (short) 0, (short) 0, (short) 0);
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diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
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index e7337fc36..6b1ff8f64 100644
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--- a/src/main/java/net/minecraft/server/World.java
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+++ b/src/main/java/net/minecraft/server/World.java
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@@ -171,11 +171,11 @@ public abstract class World implements GeneratorAccess, AutoCloseable {
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}
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public static boolean isValidLocation(BlockPosition blockposition) {
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- return !isOutsideWorld(blockposition) && blockposition.getX() >= -30000000 && blockposition.getZ() >= -30000000 && blockposition.getX() < 30000000 && blockposition.getZ() < 30000000;
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+ return blockposition.isValidLocation();
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}
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public static boolean isOutsideWorld(BlockPosition blockposition) {
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- return b(blockposition.getY());
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+ return blockposition.isInvalidYLocation();
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}
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public static boolean b(int i) {
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--
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2.26.0
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