From 74bb5e4541b7ce95712480fd5be80fab68676a56 Mon Sep 17 00:00:00 2001
From: hondacrx <prelude_20032002@yahoo.com>
Date: Tue, 14 Mar 2023 01:55:52 -0400
Subject: [PATCH] Core/Creatures: Allow overriding non-gossip based trainer ids
 for creatures

Port From (https://github.com/TrinityCore/TrinityCore/commit/689d3a667af8c3e2662b77d14edf201771130bee)
---
 Source/Game/Entities/Creature/Creature.Fields.cs |  2 ++
 Source/Game/Entities/Creature/Creature.cs        | 13 +++++++++++++
 Source/Game/Handlers/NPCHandler.cs               |  2 +-
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/Source/Game/Entities/Creature/Creature.Fields.cs b/Source/Game/Entities/Creature/Creature.Fields.cs
index 9f4324b96..6df7a1b7c 100644
--- a/Source/Game/Entities/Creature/Creature.Fields.cs
+++ b/Source/Game/Entities/Creature/Creature.Fields.cs
@@ -27,6 +27,8 @@ namespace Game.Entities
 
         bool _isMissingCanSwimFlagOutOfCombat;
 
+        uint? _trainerId;
+
         public ulong m_PlayerDamageReq;
         public float m_SightDistance;
         public float m_CombatDistance;
diff --git a/Source/Game/Entities/Creature/Creature.cs b/Source/Game/Entities/Creature/Creature.cs
index 94bcaf374..b985fbb06 100644
--- a/Source/Game/Entities/Creature/Creature.cs
+++ b/Source/Game/Entities/Creature/Creature.cs
@@ -1128,6 +1128,19 @@ namespace Game.Entities
             // exited position so it won't run away (home) and evade if it's hostile
             SetHomePosition(GetPosition());
         }
+
+        public uint GetTrainerId()
+        {
+            if (_trainerId.HasValue)
+                return _trainerId.Value;
+
+            return Global.ObjectMgr.GetCreatureDefaultTrainer(GetEntry());
+        }
+
+        public void SetTrainerId(uint? trainerId)
+        {
+            _trainerId = trainerId;
+        }
         
         public override bool IsMovementPreventedByCasting()
         {
diff --git a/Source/Game/Handlers/NPCHandler.cs b/Source/Game/Handlers/NPCHandler.cs
index ca1e80243..6439aa831 100644
--- a/Source/Game/Handlers/NPCHandler.cs
+++ b/Source/Game/Handlers/NPCHandler.cs
@@ -52,7 +52,7 @@ namespace Game
                 return;
             }
 
-            uint trainerId = Global.ObjectMgr.GetCreatureDefaultTrainer(npc.GetEntry());
+            uint trainerId = npc.GetTrainerId();
             if (trainerId != 0)
                 SendTrainerList(npc, trainerId);
             else