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 9cdebd7715fca949cc390684d044235d75b89c24..567f264ec20dd9657f5618aeaafcfdf40680675f 100644 --- a/src/main/java/net/minecraft/server/level/ChunkMap.java +++ b/src/main/java/net/minecraft/server/level/ChunkMap.java @@ -1775,7 +1775,7 @@ 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