From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Spottedleaf Date: Fri, 19 Feb 2021 22:51:52 -0800 Subject: [PATCH] Oprimise map impl for tracked players Reference2BooleanOpenHashMap is going to have better lookups than HashMap. diff --git a/src/main/java/net/minecraft/server/level/ChunkMap.java b/src/main/java/net/minecraft/server/level/ChunkMap.java index 74a2e70220832257c036c40e0aa8626ab2a4ae7f..ab14316375f41a7d7177159d10f1281349b97337 100644 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java @@ -103,6 +103,7 @@ import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; import org.bukkit.entity.Player; // CraftBukkit +import it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet; // Paper public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider { @@ -2167,7 +2168,7 @@ Sections go from 0..16. Now whenever a section is not empty, it can potentially final Entity entity; private final int range; SectionPos lastSectionPos; - public final Set seenBy = Sets.newIdentityHashSet(); + public final Set seenBy = new ReferenceOpenHashSet<>(); // Paper - optimise map impl public TrackedEntity(Entity entity, int i, int j, boolean flag) { this.serverEntity = new ServerEntity(ChunkMap.this.level, entity, j, flag, this::broadcast, this.seenBy); // CraftBukkit