Add support for vehicle scaling based on item level.

Requires database data.
Fixes issue #2754

--HG--
branch : trunk

src/server/game/Globals/ObjectMgr.h

@@ -599,6 +599,14 @@ class ObjectMgr
             return NULL;
         }
 
+        VehicleScalingInfo const* GetVehicleScalingInfo(uint32 vehicleEntry) const
+        {
+            VehicleScalingMap::const_iterator itr = m_VehicleScalingMap.find(vehicleEntry);
+            if (itr != m_VehicleScalingMap.end())
+                return &itr->second;
+            return NULL;
+        }
+
         void LoadGuilds();
         void LoadArenaTeams();
         void LoadGroups();
@@ -665,6 +673,7 @@ class ObjectMgr
         void LoadInstanceTemplate();
         void LoadMailLevelRewards();
         void LoadVehicleAccessories();
+        void LoadVehicleScaling();
 
         void LoadGossipText();
 
@@ -1056,6 +1065,7 @@ class ObjectMgr
         ItemRequiredTargetMap m_ItemRequiredTarget;
 
         VehicleAccessoryMap m_VehicleAccessoryMap;
+        VehicleScalingMap m_VehicleScalingMap;
 
         typedef             std::vector<LocaleConstant> LocalForIndex;
         LocalForIndex        m_LocalForIndex;