From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: MrHua269 <mrhua269@gmail.com>
Date: Sun, 29 Jun 2025 11:45:52 +0800
Subject: [PATCH] Do not setTarget for entity which is out of current
 tickregion


diff --git a/net/minecraft/world/entity/Mob.java b/net/minecraft/world/entity/Mob.java
index b774f88bae7661f8d374b6f5aea49ae5c0f127c6..36b86c7ac2fb24c88b44a4f4679dba0616f93f37 100644
--- a/net/minecraft/world/entity/Mob.java
+++ b/net/minecraft/world/entity/Mob.java
@@ -277,6 +277,11 @@ public abstract class Mob extends LivingEntity implements EquipmentUser, Leashab
         if (this.getTargetRaw() == target) { // Folia - region threading
             return false;
         }
+        // Luminol start - Fix off-region targeting
+        if (!ca.spottedleaf.moonrise.common.util.TickThread.isTickThreadFor(target)) {
+            return false;
+        }
+        // Luminol end
         if (reason != null) {
             if (reason == EntityTargetEvent.TargetReason.UNKNOWN && this.getTarget() != null && target == null) {
                 reason = this.getTarget().isAlive() ? EntityTargetEvent.TargetReason.FORGOT_TARGET : EntityTargetEvent.TargetReason.TARGET_DIED;