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22 lines
1.3 KiB
Diff
22 lines
1.3 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 bac8e53cab360142f224965e68d8f9e6ae0c15f6..b953def299faf1a13e1893d17a476f36e2d6337a 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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@@ -1462,7 +1462,7 @@ 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 it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet<>(); // Paper - Perf: optimise map impl
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public TrackedEntity(final Entity entity, final int i, final int j, final 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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