Core: Add wintergrasp-patch to wintergrasp_cleanup branch - resurrected from an old work-repository, now over as a branch to work on.

Original patch by socolin, cand a ton of contributors :
mathman, joda, spp, silinoron, josh, malcrom, shauren, machiavelli, click, rat, leak, tobmaps, _manuel_, the tcfr team (via socolin), and tons of others for chiming in.

NOTE: THIS IS A WORKING-BRANCH, AND _NOT_ MENT FOR PUBLIC USE OR EVEN CONSIDERED STABLE!

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

@@ -39,6 +39,12 @@ class GameObjectAI
 
         virtual void Reset() {};
 
+        // Pass parameters between AI
+        virtual void DoAction(const int32 /*param = 0 */) {}
+        virtual uint32 GetData(uint32 /*id = 0*/) { return 0; }
+        virtual void SetGUID(const uint64 &/*guid*/, int32 /*id = 0 */) {}
+        virtual uint64 GetGUID(int32 /*id = 0 */) { return 0; }
+
         static int Permissible(const GameObject* go);
 
         virtual bool GossipHello(Player* /*player*/) {return false;}

src/server/game/AI/CreatureAISelector.cpp

@@ -134,6 +134,11 @@ namespace FactorySelector
         GameObjectAIRegistry& ai_registry(*GameObjectAIRepository::instance());
 
         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