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48 lines
2.0 KiB
Diff
48 lines
2.0 KiB
Diff
From 4217d76754fcff68bd39d9d70625b8df90a5df09 Mon Sep 17 00:00:00 2001
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From: Mike Primm <mike@primmhome.com>
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Date: Wed, 20 Feb 2013 23:07:53 -0500
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Subject: [PATCH] Optimize getTileEntities performance
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Avoid traversing tile entities for every loaded chunk
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---
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src/main/java/net/minecraft/server/WorldServer.java | 21 ++++++++++++---------
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1 file changed, 12 insertions(+), 9 deletions(-)
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diff --git a/src/main/java/net/minecraft/server/WorldServer.java b/src/main/java/net/minecraft/server/WorldServer.java
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index 6cb3e24..8f0050a 100644
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--- a/src/main/java/net/minecraft/server/WorldServer.java
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+++ b/src/main/java/net/minecraft/server/WorldServer.java
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@@ -616,17 +616,20 @@ public class WorldServer extends World implements org.bukkit.BlockChangeDelegate
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public List getTileEntities(int i, int j, int k, int l, int i1, int j1) {
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ArrayList arraylist = new ArrayList();
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- // CraftBukkit start - use iterator
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- Iterator iterator = this.tileEntityList.iterator();
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-
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- while (iterator.hasNext()) {
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- TileEntity tileentity = (TileEntity) iterator.next();
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- // CraftBukkit end
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-
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- if (tileentity.x >= i && tileentity.y >= j && tileentity.z >= k && tileentity.x < l && tileentity.y < i1 && tileentity.z < j1) {
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- arraylist.add(tileentity);
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+ // Spigot start - check in chunks: usually just from one
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+ for (int cx = (i >> 4); cx <= ((l - 1) >> 4); cx++) {
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+ for (int cz = (k >> 4); cz <= ((j1 - 1) >> 4); cz++) {
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+ Chunk c = getChunkAt(cx, cz);
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+ if (c == null) continue;
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+ for (Object te : c.tileEntities.values()) {
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+ TileEntity tileentity = (TileEntity) te;
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+ if ((tileentity.x >= i) && (tileentity.y >= j) && (tileentity.z >= k) && (tileentity.x < l) && (tileentity.y < i1) && (tileentity.z < j1)) {
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+ arraylist.add(tileentity);
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+ }
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+ }
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}
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}
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+ // Spigot end
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return arraylist;
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}
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--
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1.8.1-rc2
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