Paper/Spigot-Server-Patches/0101-Remove-unused-World-Tile-Entity-List.patch

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From 43bd8c9254a8f40906a62978cf6045d7e1eff64b Mon Sep 17 00:00:00 2001
From: Aikar <aikar@aikar.co>
Date: Wed, 13 Apr 2016 00:25:28 -0400
Subject: [PATCH] Remove unused World Tile Entity List
Massive hit to performance and it is completely unnecessary.
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index e747d1e46..46eab028d 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -73,7 +73,7 @@ public abstract class World implements GeneratorAccess, IIBlockAccess, AutoClose
};
// Spigot end
protected final Set<Entity> g = Sets.newHashSet(); // Paper
- public final List<TileEntity> tileEntityList = Lists.newArrayList();
+ //public final List<TileEntity> tileEntityList = Lists.newArrayList(); // Paper - remove unused list
public final List<TileEntity> tileEntityListTick = Lists.newArrayList();
private final List<TileEntity> c = Lists.newArrayList();
private final Set<TileEntity> tileEntityListUnload = Sets.newHashSet(); // Paper
@@ -1270,7 +1270,7 @@ public abstract class World implements GeneratorAccess, IIBlockAccess, AutoClose
timings.tileEntityTick.startTiming(); // Spigot
if (!this.tileEntityListUnload.isEmpty()) {
this.tileEntityListTick.removeAll(this.tileEntityListUnload);
- this.tileEntityList.removeAll(this.tileEntityListUnload);
+ //this.tileEntityList.removeAll(this.tileEntityListUnload); // Paper - remove unused list
this.tileEntityListUnload.clear();
}
@@ -1323,7 +1323,7 @@ public abstract class World implements GeneratorAccess, IIBlockAccess, AutoClose
if (tileentity.x()) {
tilesThisCycle--;
this.tileEntityListTick.remove(tileTickPosition--);
- this.tileEntityList.remove(tileentity);
+ //this.tileEntityList.remove(tileentity); // Paper - remove unused list
if (this.isLoaded(tileentity.getPosition())) {
this.getChunkAtWorldCoords(tileentity.getPosition()).d(tileentity.getPosition());
}
@@ -1353,7 +1353,7 @@ public abstract class World implements GeneratorAccess, IIBlockAccess, AutoClose
this.notify(tileentity1.getPosition(), iblockdata, iblockdata, 3);
// CraftBukkit start
// From above, don't screw this up - SPIGOT-1746
- if (!this.tileEntityList.contains(tileentity1)) {
+ if (true) { // Paper - remove unused list
this.a(tileentity1);
}
// CraftBukkit end
@@ -1373,9 +1373,9 @@ public abstract class World implements GeneratorAccess, IIBlockAccess, AutoClose
protected void p_() {}
public boolean a(TileEntity tileentity) {
- boolean flag = this.tileEntityList.add(tileentity);
+ boolean flag = true; // Paper - remove unused list
- if (flag && tileentity instanceof ITickable) {
+ if (flag && tileentity instanceof ITickable && !this.tileEntityListTick.contains(tileentity)) { // Paper
this.tileEntityListTick.add(tileentity);
}
@@ -1856,7 +1856,7 @@ public abstract class World implements GeneratorAccess, IIBlockAccess, AutoClose
} else {
if (tileentity != null) {
this.c.remove(tileentity);
- this.tileEntityList.remove(tileentity);
+ //this.tileEntityList.remove(tileentity); // Paper - remove unused list
this.tileEntityListTick.remove(tileentity);
}
--
2.18.0