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Gale/patches/server/0089-Use-linked-map-for-entity-trackers.patch
2024-06-16 07:45:50 +08:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Martijn Muijsers <martijnmuijsers@live.nl>
Date: Thu, 1 Dec 2022 14:40:03 +0100
Subject: [PATCH] Use linked map for entity trackers
License: MIT (https://opensource.org/licenses/MIT)
Gale - https://galemc.org
This patch is based on the following mixin:
"com/ishland/vmp/mixins/entitytracker/MixinThreadedAnvilChunkStorage.java"
By: ishland <ishlandmc@yeah.net>
As part of: VMP (https://github.com/RelativityMC/VMP-fabric)
Licensed under: MIT (https://opensource.org/licenses/MIT)
diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
index aa6927ad7ea10b64693a069202366a051183e878..b8bcba9380cbcc08ac7ebed170c58b091691777e 100644
--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
@@ -228,7 +228,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
this.toDrop = new LongOpenHashSet();
this.tickingGenerated = new AtomicInteger();
this.playerMap = new PlayerMap();
- this.entityMap = new Int2ObjectOpenHashMap();
+ this.entityMap = new it.unimi.dsi.fastutil.ints.Int2ObjectLinkedOpenHashMap(); // Gale - VMP - use linked map for entity trackers - provides faster iteration
this.chunkTypeCache = new Long2ByteOpenHashMap();
this.chunkSaveCooldowns = new Long2LongOpenHashMap();
// Paper - rewrite chunk system