From a478baf421aed868dfc8e560731f6ca3d815013a Mon Sep 17 00:00:00 2001
From: Hondacrx <prelude_20032002@yahoo.com>
Date: Mon, 8 Dec 2025 14:54:52 -0500
Subject: [PATCH] Core/AreaTrigger: Fix crashes happening if areatrigger is
 despawned in OnUnitEnter script

Port From (https://github.com/TrinityCore/TrinityCore/commit/9827685634c8487936b8e59cdece596c5abbb145)
---
 Source/Game/Entities/AreaTrigger/AreaTrigger.cs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Source/Game/Entities/AreaTrigger/AreaTrigger.cs b/Source/Game/Entities/AreaTrigger/AreaTrigger.cs
index 2cba99b13..cffd59985 100644
--- a/Source/Game/Entities/AreaTrigger/AreaTrigger.cs
+++ b/Source/Game/Entities/AreaTrigger/AreaTrigger.cs
@@ -858,6 +858,15 @@ namespace Game.Entities
             DoActions(unit);
 
             _ai.OnUnitEnter(unit);
+
+            // OnUnitEnter script can despawn this areatrigger
+            if (!IsInWorld)
+                return;
+
+            // Register areatrigger in Unit after actions/scripts to allow them to determine
+            // if the unit is in one or more areatriggers with the same id
+            // without forcing every script to have additional logic excluding this areatrigger
+
             unit.EnterAreaTrigger(this);
         }