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Optimize getBlockData

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Aikar 2016-02-13 19:29:59 -06:00 committed by Zach Brown
parent e1db75896c
commit 17e043b0fe
1 changed files with 33 additions and 0 deletions
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Spigot-Server-Patches/0088-Optimize-getBlockData.patch Normal file
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@ -0,0 +1,33 @@
From 114866a0d3665b3f45a5e3e5b95d9ba34ec895fa Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sat, 13 Feb 2016 19:28:50 -0600
Subject: [PATCH] Optimize getBlockData
Hot method, so reduce # of instructions for the method.
diff --git a/src/main/java/net/minecraft/server/Chunk.java b/src/main/java/net/minecraft/server/Chunk.java
index 7efacfa..c636da3 100644
--- a/src/main/java/net/minecraft/server/Chunk.java
+++ b/src/main/java/net/minecraft/server/Chunk.java
@@ -489,7 +489,18 @@ public class Chunk {
}
}
+ // PaperSpigot start - Optimize getBlockData
public IBlockData getBlockData(final BlockPosition blockposition) {
+ if (blockposition.getY() >= 0 && blockposition.getY() >> 4 < this.sections.length) {
+ ChunkSection chunksection = this.sections[blockposition.getY() >> 4];
+ if (chunksection != null) {
+ return chunksection.getType(blockposition.getX() & 15, blockposition.getY() & 15, blockposition.getZ() & 15);
+ }
+ }
+ return Blocks.AIR.getBlockData();
+ }
+ public IBlockData getBlockDataSlow(final BlockPosition blockposition) {
+ // PaperSpigot end
if (this.world.G() == WorldType.DEBUG_ALL_BLOCK_STATES) {
IBlockData iblockdata = null;
--
2.7.1