From 17e043b0fe43e19e78ff64fbd12cbdae197ba04a Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Sat, 13 Feb 2016 19:29:59 -0600
Subject: [PATCH] Optimize getBlockData
---
.../0088-Optimize-getBlockData.patch | 33 +++++++++++++++++++
1 file changed, 33 insertions(+)
create mode 100644 Spigot-Server-Patches/0088-Optimize-getBlockData.patch
diff --git a/Spigot-Server-Patches/0088-Optimize-getBlockData.patch b/Spigot-Server-Patches/0088-Optimize-getBlockData.patch
new file mode 100644
index 0000000000..7986e5b944
--- /dev/null
+++ b/Spigot-Server-Patches/0088-Optimize-getBlockData.patch
@@ -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
+