[7667] Add to CreatureAI field pointing to creature itself. Use it instead diff. fields in subclases. Author: VladimirMangos

Also send pointer to AI constructors ans mark constructors as explicit.

    This changes allow move now some generic often used AI code to CreatureAI helper functions.

--HG--
branch : trunk

src/game/GuardAI.h

@@ -36,7 +36,7 @@ class TRINITY_DLL_DECL GuardAI : public CreatureAI
 
     public:
 
-        GuardAI(Creature *c);
+        explicit GuardAI(Creature *c);
 
         void MoveInLineOfSight(Unit *);
         void EnterEvadeMode();
@@ -47,7 +47,6 @@ class TRINITY_DLL_DECL GuardAI : public CreatureAI
         static int Permissible(const Creature *);
 
     private:
-        Creature &i_creature;
         uint64 i_victimGuid;
         GuardState i_state;
         TimeTracker i_tracker;