mirror of
https://github.com/PaperMC/Paper.git
synced 2024-12-27 07:20:00 +08:00
41 lines
1.3 KiB
Diff
41 lines
1.3 KiB
Diff
From 44f37fdd16c122b143b05d4a1c0e6aaaa4b84e34 Mon Sep 17 00:00:00 2001
|
|
From: Aikar <aikar@aikar.co>
|
|
Date: Thu, 27 Aug 2015 01:15:02 -0400
|
|
Subject: [PATCH] Optimize Chunk Access
|
|
|
|
getting a loaded chunk is one of the most hottest pieces of code in the game.
|
|
getChunkAt is called for the same chunk multiple times in a row, often from getType();
|
|
|
|
Optimize this look up by using a Last Access cache.
|
|
|
|
diff --git a/src/main/java/net/minecraft/server/ChunkMap.java b/src/main/java/net/minecraft/server/ChunkMap.java
|
|
index 4e51bd301a..7100ec7747 100644
|
|
--- a/src/main/java/net/minecraft/server/ChunkMap.java
|
|
+++ b/src/main/java/net/minecraft/server/ChunkMap.java
|
|
@@ -98,8 +98,22 @@ public class ChunkMap extends Long2ObjectOpenHashMap<Chunk> {
|
|
}
|
|
}
|
|
|
|
+ // Paper start
|
|
+ if (lastChunkByPos != null && i == lastChunkByPos.chunkKey) {
|
|
+ lastChunkByPos = null;
|
|
+ }
|
|
return chunk;
|
|
}
|
|
+ private Chunk lastChunkByPos = null; // Paper
|
|
+
|
|
+ @Override
|
|
+ public Chunk get(long l) {
|
|
+ if (lastChunkByPos != null && l == lastChunkByPos.chunkKey) {
|
|
+ return lastChunkByPos;
|
|
+ }
|
|
+ return super.get(l);
|
|
+ }
|
|
+ // Paper end
|
|
|
|
public Chunk a(Object object) {
|
|
return this.a(((Long) object).longValue());
|
|
--
|
|
2.18.0
|
|
|