Core/AI: Kick Gossip functions upstairs, from UnitAI to CreatureAI - they only make sense for Creatures anyway.

Port From (https://github.com/TrinityCore/TrinityCore/commit/0aed5a35efd0305c1c3046430a1b348f2049a1c5)

Source/Framework/Constants/QuestConst.cs

@@ -387,8 +387,6 @@ namespace Framework.Constants
         CovenantCallingQuest = 0x80000,
         CovenantCallingRewardCompleteNoPOI = 0x100000,
         CovenantCallingRewardCompletePOI = 0x200000,
-
-        ScriptedDefault = 0x80000000
     }
 
     [Flags]

Source/Game/AI/CoreAI/CreatureAI.cs

@@ -29,8 +29,8 @@ namespace Game.AI
     {
         bool _moveInLineOfSightLocked;
         List<AreaBoundary> _boundary = new();
-        bool _negateBoundary; 
-        
+        bool _negateBoundary;
+
         protected new Creature me;
 
         protected EventMap _events = new();
@@ -470,6 +470,36 @@ namespace Game.AI
         // called when the corpse of this creature gets removed
         public virtual void CorpseRemoved(long respawnDelay) { }
 
+        /// == Gossip system ================================
+
+        // Called when the dialog status between a player and the creature is requested.
+        public virtual QuestGiverStatus? GetDialogStatus(Player player)
+        {
+            return null;
+        }
+
+        // Called when a player opens a gossip dialog with the creature.
+        public virtual bool GossipHello(Player player) { return false; }
+
+        // Called when a player selects a gossip item in the creature's gossip menu.
+        public virtual bool GossipSelect(Player player, uint menuId, uint gossipListId) { return false; }
+
+        // Called when a player selects a gossip with a code in the creature's gossip menu.
+        public virtual bool GossipSelectCode(Player player, uint menuId, uint gossipListId, string code)
+        {
+            return false;
+        }
+
+        // Called when a player accepts a quest from the creature.
+        public virtual void QuestAccept(Player player, Quest quest) { }
+
+        // Called when a player completes a quest and is rewarded, opt is the selected item's index or 0
+        public virtual void QuestReward(Player player, Quest quest, uint opt)
+        {
+            QuestReward(player, quest, LootItemType.Item, opt);
+        }
+        public virtual void QuestReward(Player player, Quest quest, LootItemType type, uint opt) { }
+
         public virtual void PassengerBoarded(Unit passenger, sbyte seatId, bool apply) { }
 
         public virtual void OnSpellClick(Unit clicker, ref bool result) { }

Source/Game/AI/CoreAI/GameObjectAI.cs

@@ -47,6 +47,11 @@ namespace Game.AI
         public virtual void SetGUID(ObjectGuid guid, int id = 0) { }
         public virtual ObjectGuid GetGUID(int id = 0) { return ObjectGuid.Empty; }
 
+        /// <summary>
+        /// Called when the dialog status between a player and the gameobject is requested.
+        /// </summary>
+        public virtual QuestGiverStatus? GetDialogStatus(Player player) { return null; }
+
         /// <summary>
         /// Called when a player opens a gossip dialog with the gameobject.
         /// </summary>
@@ -76,11 +81,6 @@ namespace Game.AI
         }
         public virtual void QuestReward(Player player, Quest quest, LootItemType type, uint opt) { }
 
-        /// <summary>
-        /// Called when the dialog status between a player and the gameobject is requested.
-        /// </summary>
-        public virtual QuestGiverStatus GetDialogStatus(Player player) { return QuestGiverStatus.ScriptedDefault; }
-
         // Called when a Player clicks a GameObject, before GossipHello
         // prevents achievement tracking if returning true
         public virtual bool OnReportUse(Player player) { return false; }

Source/Game/AI/CoreAI/UnitAI.cs

@@ -491,43 +491,11 @@ namespace Game.AI
         public virtual void HealDone(Unit to, uint addhealth) { }
         public virtual void SpellInterrupted(uint spellId, uint unTimeMs) { }
 
-        /// <summary>
-        /// Called when a player opens a gossip dialog with the creature.
-        /// </summary>
-        public virtual bool GossipHello(Player player) { return false; }
-
-        /// <summary>
-        /// Called when a player selects a gossip item in the creature's gossip menu.
-        /// </summary>
-        public virtual bool GossipSelect(Player player, uint menuId, uint gossipListId) { return false; }
-
-        /// <summary>
-        /// Called when a player selects a gossip with a code in the creature's gossip menu.
-        /// </summary>
-        public virtual bool GossipSelectCode(Player player, uint menuId, uint gossipListId, string code) { return false; }
-
-        /// <summary>
-        /// Called when a player accepts a quest from the creature.
-        /// </summary>
-        public virtual void QuestAccept(Player player, Quest quest) { }
-
-        /// <summary>
-        /// Called when a player completes a quest and is rewarded, opt is the selected item's index or 0
-        /// </summary>
-        public virtual void QuestReward(Player player, Quest quest, uint opt)
-        {
-            QuestReward(player, quest, LootItemType.Item, opt);
-        }
-        public virtual void QuestReward(Player player, Quest quest, LootItemType type, uint opt) { }
-
         /// <summary>
         /// Called when a game event starts or ends
         /// </summary>
         public virtual void OnGameEvent(bool start, ushort eventId) { }
 
-        // Called when the dialog status between a player and the creature is requested.
-        public virtual QuestGiverStatus GetDialogStatus(Player player) { return QuestGiverStatus.ScriptedDefault; }
-
         public virtual void WaypointPathStarted(uint nodeId, uint pathId) { }
 
         public virtual void WaypointStarted(uint nodeId, uint pathId) { }

Source/Game/Entities/Player/Player.Quest.cs

@@ -1854,18 +1854,20 @@ namespace Game.Entities
             {
                 case TypeId.GameObject:
                     {
-                        QuestGiverStatus questStatus = questgiver.ToGameObject().GetAI().GetDialogStatus(this);
-                        if (questStatus != QuestGiverStatus.ScriptedDefault)
-                            return questStatus;
+                        QuestGiverStatus? questStatus = questgiver.ToGameObject().GetAI().GetDialogStatus(this);
+                        if (questStatus.HasValue)
+                            return questStatus.Value;
+
                         qr = Global.ObjectMgr.GetGOQuestRelationBounds(questgiver.GetEntry());
                         qir = Global.ObjectMgr.GetGOQuestInvolvedRelationBounds(questgiver.GetEntry());
                         break;
                     }
                 case TypeId.Unit:
                     {
-                        QuestGiverStatus questStatus = questgiver.ToCreature().GetAI().GetDialogStatus(this);
-                        if (questStatus != QuestGiverStatus.ScriptedDefault)
-                            return questStatus;
+                        QuestGiverStatus? questStatus = questgiver.ToCreature().GetAI().GetDialogStatus(this);
+                        if (questStatus.HasValue)
+                            return questStatus.Value;
+
                         qr = Global.ObjectMgr.GetCreatureQuestRelationBounds(questgiver.GetEntry());
                         qir = Global.ObjectMgr.GetCreatureQuestInvolvedRelationBounds(questgiver.GetEntry());
                         break;

Source/Game/Handlers/QuestHandler.cs

@@ -360,7 +360,6 @@ namespace Game
                     case TypeId.Player:
                         {
                             //For AutoSubmition was added plr case there as it almost same exclute AI script cases.
-                            Unit unitQGiver = obj.ToUnit();
                             // Send next quest
                             Quest nextQuest = _player.GetNextQuest(packet.QuestGiverGUID, quest);
                             if (nextQuest != null)
@@ -376,9 +375,9 @@ namespace Game
                             }
 
                             _player.PlayerTalkClass.ClearMenus();
-                            var qGiverAI = unitQGiver.GetAI();
-                            if (qGiverAI != null)
-                                qGiverAI.QuestReward(_player, quest, packet.Choice.LootItemType, packet.Choice.Item.ItemID);
+                            Creature creatureQGiver = obj.ToCreature();
+                            if (creatureQGiver != null)
+                                creatureQGiver.GetAI().QuestReward(_player, quest, packet.Choice.LootItemType, packet.Choice.Item.ItemID);
                             break;
                         }
                     case TypeId.GameObject: