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 7353b4e43503b371973c2de6a61e5ca91d613680..31a1a13887bda174181d926d83273a89b59ec789 100644 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java @@ -108,6 +108,7 @@ import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; import org.bukkit.entity.Player; // CraftBukkit end +import it.unimi.dsi.fastutil.objects.ReferenceOpenHashSet; // Paper public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider { @@ -2114,7 +2115,7 @@ public class ChunkMap extends ChunkStorage implements ChunkHolder.PlayerProvider 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