remove unused player's class member,cleanup

--HG--
branch : trunk

src/game/Player.h

@@ -2578,7 +2578,6 @@ class Player : public Unit, public GridObject<Player>
         MapReference m_mapRef;
 
         void UpdateCharmedAI();
-        UnitAI *i_AI;
 
         uint32 m_lastFallTime;
         float  m_lastFallZ;

src/game/Unit.cpp

@@ -15287,9 +15287,10 @@ Unit *Unit::GetVehicleBase() const
 
 Creature *Unit::GetVehicleCreatureBase() const
 {
-    Unit *veh = GetVehicleBase();
-    if (veh && veh->GetTypeId() == TYPEID_UNIT)
-        return dynamic_cast<Creature*>(veh);
+    if( Unit *veh = GetVehicleBase())
+        if( Creature *c = veh->ToCreature())
+            return c;
+
     return NULL;
 }
 

src/game/Unit.h

@@ -1919,7 +1919,7 @@ class Unit : public WorldObject
         void RemoveVehicleKit();
         Vehicle *GetVehicleKit()const { return m_vehicleKit; }
         Vehicle *GetVehicle()   const { return m_vehicle; }
-        bool IsOnVehicle(const Unit *unit) const { return m_vehicle && m_vehicle == unit->GetVehicleKit(); }
+        bool IsOnVehicle(const Unit *vehicle) const { return m_vehicle && m_vehicle == vehicle->GetVehicleKit(); }
         Unit *GetVehicleBase()  const;
         Creature *GetVehicleCreatureBase() const;
         float GetTransOffsetX() const { return m_movementInfo.t_x; }