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 07abd089e5091d292d4542bbe0fbb416a111bf8e..a0603e567deeede8b4cd2ba57ded44f29239d78d 100644 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java @@ -1301,7 +1301,7 @@ 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 it.unimi.dsi.fastutil.objects.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