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30 lines
1.5 KiB
Diff
30 lines
1.5 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Spottedleaf <Spottedleaf@users.noreply.github.com>
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Date: Fri, 19 Feb 2021 22:51:52 -0800
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Subject: [PATCH] Oprimise map impl for tracked players
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Reference2BooleanOpenHashMap is going to have
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better lookups than HashMap.
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diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java
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index 09e2d5bd3ab14a2c43547313394bf1167168d6cc..99a42f57d7cbab085dd9ac053b7b1cae7db3fd6c 100644
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--- a/src/main/java/net/minecraft/server/level/ChunkMap.java
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+++ b/src/main/java/net/minecraft/server/level/ChunkMap.java
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@@ -110,6 +110,7 @@ import org.apache.commons.lang3.mutable.MutableObject;
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import org.slf4j.Logger;
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import org.bukkit.entity.Player;
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// CraftBukkit end
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+import it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet; // Paper
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public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider {
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@@ -2170,7 +2171,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider
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final Entity entity;
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private final int range;
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SectionPos lastSectionPos;
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- public final Set<ServerPlayerConnection> seenBy = Sets.newIdentityHashSet();
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+ public final Set<ServerPlayerConnection> seenBy = new ReferenceOpenHashSet<>(); // Paper - optimise map impl
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public TrackedEntity(Entity entity, int i, int j, boolean flag) {
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this.serverEntity = new ServerEntity(ChunkMap.this.level, entity, j, flag, this::broadcast, this.seenBy); // CraftBukkit
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