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