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Change implementation of tile entity removal list

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Joseph Hirschfeld 2016-02-20 21:34:29 -06:00 committed by Zach Brown
parent 1d78a73b5d
commit a861cc6d8c
1 changed files with 65 additions and 0 deletions
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Spigot-Server-Patches/0096-Change-implementation-of-tile-entity-removal-list.patch Normal file
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@ -0,0 +1,65 @@
From 3cd83fe77b1f1c37592895e602d2c4588aa9cbdc Mon Sep 17 00:00:00 2001
From: Joseph Hirschfeld <joe@ibj.io>
Date: Sat, 20 Feb 2016 00:42:18 -0500
Subject: [PATCH] Change implementation of (tile)entity removal list
As it stood, the complexity of a ArrayList.removeAll(ArrayList) is
much greater as the argument array list grew than .removeAll(HashSet).
diff --git a/src/main/java/net/minecraft/server/World.java b/src/main/java/net/minecraft/server/World.java
index a76d83c..f0cd810 100644
--- a/src/main/java/net/minecraft/server/World.java
+++ b/src/main/java/net/minecraft/server/World.java
@@ -3,6 +3,7 @@ package net.minecraft.server;
import com.google.common.base.Predicate;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
+import com.google.common.collect.Sets;
import org.bukkit.Bukkit;
import org.bukkit.block.BlockState;
import org.bukkit.craftbukkit.CraftServer;
@@ -58,11 +59,11 @@ public abstract class World implements IBlockAccess {
}
};
// Spigot end
- protected final List<Entity> g = Lists.newArrayList();
+ protected final Set<Entity> g = Sets.newHashSet(); // Paper
//public final List<TileEntity> h = Lists.newArrayList(); // PaperSpigot - Remove unused list
public final List<TileEntity> tileEntityList = Lists.newArrayList();
private final List<TileEntity> b = Lists.newArrayList();
- private final List<TileEntity> c = Lists.newArrayList();
+ private final Set<TileEntity> c = Sets.newHashSet(); // Paper
public final List<EntityHuman> players = Lists.newArrayList();
public final List<Entity> k = Lists.newArrayList();
protected final IntHashMap<Entity> entitiesById = new IntHashMap();
@@ -1400,18 +1401,19 @@ public abstract class World implements IBlockAccess {
int j;
int k;
- for (i = 0; i < this.g.size(); ++i) {
- entity = (Entity) this.g.get(i);
- j = entity.ae;
- k = entity.ag;
- if (entity.ad && this.isChunkLoaded(j, k, true)) {
- this.getChunkAt(j, k).b(entity);
+ // Paper start - Set based removal lists
+ for (Entity e : this.g) {
+ j = e.ae;
+ k = e.ag;
+ if (e.ad && this.isChunkLoaded(j, k, true)) {
+ this.getChunkAt(j, k).b(e);
}
}
- for (i = 0; i < this.g.size(); ++i) {
- this.b((Entity) this.g.get(i));
+ for (Entity e : this.g) {
+ this.b(e);
}
+ // Paper end
this.g.clear();
timings.entityRemoval.stopTiming(); // Spigot
--
2.7.1