Paper/Spigot-Server-Patches/0170-Optimise-removeQueue.patch

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From 620aaee71fea323a42cfb6674a33a1b715c03a99 Mon Sep 17 00:00:00 2001
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From: Alfie Cleveland <alfeh@me.com>
Date: Fri, 25 Nov 2016 13:22:40 +0000
Subject: [PATCH] Optimise removeQueue
diff --git a/src/main/java/net/minecraft/server/EntityPlayer.java b/src/main/java/net/minecraft/server/EntityPlayer.java
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index 7886eee61..f8e289475 100644
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--- a/src/main/java/net/minecraft/server/EntityPlayer.java
+++ b/src/main/java/net/minecraft/server/EntityPlayer.java
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@@ -3,8 +3,10 @@ package net.minecraft.server;
import com.google.common.collect.Lists;
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import com.mojang.authlib.GameProfile;
import io.netty.buffer.Unpooled;
+import java.util.ArrayDeque; // Paper
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import java.util.ArrayList;
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import java.util.Collection;
+import java.util.Deque; // Paper
import java.util.Iterator;
import java.util.List;
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import javax.annotation.Nullable;
@@ -38,7 +40,7 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
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public final PlayerInteractManager playerInteractManager;
public double d;
public double e;
- public final List<Integer> removeQueue = Lists.newLinkedList();
+ public final Deque<Integer> removeQueue = new ArrayDeque<>(); // Paper
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private final AdvancementDataPlayer bY;
private final ServerStatisticManager bZ;
private float ca = Float.MIN_VALUE;
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@@ -295,10 +297,17 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
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Iterator iterator = this.removeQueue.iterator();
int j = 0;
- while (iterator.hasNext() && j < i) {
+ // Paper start
+ /* while (iterator.hasNext() && j < i) {
aint[j++] = ((Integer) iterator.next()).intValue();
iterator.remove();
+ } */
+
+ Integer integer;
+ while (j < i && (integer = this.removeQueue.poll()) != null) {
+ aint[j++] = integer.intValue();
}
+ // Paper end
this.playerConnection.sendPacket(new PacketPlayOutEntityDestroy(aint));
}
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@@ -1112,7 +1121,11 @@ public class EntityPlayer extends EntityHuman implements ICrafting {
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this.lastHealthSent = -1.0F;
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this.ch = -1;
// this.cr.a((RecipeBook) entityplayer.cr); // CraftBukkit
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- this.removeQueue.addAll(entityplayer.removeQueue);
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+ // Paper start - Optimize remove queue
+ //this.removeQueue.addAll(entityplayer.removeQueue);
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+ if (this.removeQueue != entityplayer.removeQueue) {
+ this.removeQueue.addAll(entityplayer.removeQueue);
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+ }
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this.cq = entityplayer.cq;
this.cv = entityplayer.cv;
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this.setShoulderEntityLeft(entityplayer.getShoulderEntityLeft());
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--
2.18.0
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