Core/Battlefield: Add missing stuff for wintergrasp

src/server/game/AI/CoreAI/GameObjectAI.h

@@ -39,6 +39,11 @@ class GameObjectAI
 
         virtual void Reset() {};
 
+        // Pass parameters between AI
+        virtual void DoAction(const int32 /*param = 0 */) {}
+        virtual void SetGUID(const uint64& /*guid*/, int32 /*id = 0 */) {}
+        virtual uint64 GetGUID(int32 /*id = 0 */) { return 0; }
+
         static int Permissible(GameObject const* go);
 
         virtual bool GossipHello(Player* /*player*/) { return false; }

src/server/game/AI/CreatureAISelector.cpp

@@ -137,6 +137,11 @@ namespace FactorySelector
 
         ai_factory = ai_registry.GetRegistryItem(go->GetAIName());
 
+        // scriptname in db
+        if (!ai_factory)
+            if (GameObjectAI* scriptedAI = sScriptMgr->GetGameObjectAI(go))
+                return scriptedAI;
+
         //future goAI types go here
 
         std::string ainame = (ai_factory == NULL || go->GetScriptId()) ? "NullGameObjectAI" : ai_factory->key();