Paper/CraftBukkit-Patches/0026-Improved-tile-entity-lookup-for-chunk-sending.patch

From 816a0dcc3e94acb08b671715e0f29113bc2977d6 Mon Sep 17 00:00:00 2001
From: shakytom <tom.roberts00@gmail.com>
Date: Wed, 20 Feb 2013 22:34:38 -0500
Subject: [PATCH] Improved tile entity lookup for chunk sending

Instead of scanning the entire worlds tile entities to find out what tile entities are in the chunk... just use the arraylist of tile entities we already have.
This results in a good reduction of time spent in player ticking.
---
 src/main/java/net/minecraft/server/EntityPlayer.java | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/main/java/net/minecraft/server/EntityPlayer.java b/src/main/java/net/minecraft/server/EntityPlayer.java
index 03140c2..0905964 100644
--- a/src/main/java/net/minecraft/server/EntityPlayer.java
+++ b/src/main/java/net/minecraft/server/EntityPlayer.java
@@ -173,8 +173,9 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
 
                 iterator1.remove();
                 if (chunkcoordintpair != null && this.world.isLoaded(chunkcoordintpair.x << 4, 0, chunkcoordintpair.z << 4)) {
-                    arraylist.add(this.world.getChunkAt(chunkcoordintpair.x, chunkcoordintpair.z));
-                    arraylist1.addAll(((WorldServer) this.world).getTileEntities(chunkcoordintpair.x * 16, 0, chunkcoordintpair.z * 16, chunkcoordintpair.x * 16 + 16, 256, chunkcoordintpair.z * 16 + 16));
+                    Chunk chunk = this.world.getChunkAt(chunkcoordintpair.x, chunkcoordintpair.z); // Spigot
+                    arraylist.add(chunk); // Spigot
+                    arraylist1.addAll(chunk.tileEntities.values()); // Spigot
                 }
             }
 
-- 
1.8.1-rc2