Leaf/leaf-server/minecraft-patches/features/0206-Replace-brain-activity-maps-with-optimized-collectio.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Taiyou06 <kaandindar21@gmail.com>
Date: Sat, 8 Feb 2025 20:45:14 +0100
Subject: [PATCH] Replace brain activity maps with optimized collection


diff --git a/net/minecraft/world/entity/ai/Brain.java b/net/minecraft/world/entity/ai/Brain.java
index b2e17d387558875f45a8458cf874a5b056820432..e78cef4c0ee6cff7ec2f27ced12c96be67dc7a0e 100644
--- a/net/minecraft/world/entity/ai/Brain.java
+++ b/net/minecraft/world/entity/ai/Brain.java
@@ -399,8 +399,8 @@ public class Brain<E extends LivingEntity> {
 
         for (Pair<Integer, ? extends BehaviorControl<? super E>> pair : tasks) {
             this.availableBehaviorsByPriority
-                .computeIfAbsent(pair.getFirst(), integer -> Maps.newHashMap())
-                .computeIfAbsent(activity, activity1 -> Sets.newLinkedHashSet())
+                .computeIfAbsent(pair.getFirst(), integer -> new it.unimi.dsi.fastutil.objects.Object2ObjectLinkedOpenHashMap<>()) // Leaf - Replace brain activity maps with optimized collection
+                .computeIfAbsent(activity, activity1 -> new it.unimi.dsi.fastutil.objects.ObjectLinkedOpenHashSet<>()) // Leaf - Replace brain activity maps with optimized collection
                 .add((BehaviorControl<? super E>)pair.getSecond());
         }
     }