Tools/vmap_extractor: Move information about model type from spawns in vmap tiles to model file itself

Port From (https://github.com/TrinityCore/TrinityCore/commit/a70e758ba5eef1e8aa966cbabaee020630d2c872)

Source/Game/Collision/Models/GameObjectModel.cs

@@ -61,7 +61,6 @@ namespace Game.Collision
 
             iBound = rotated_bounds + iPos;
             owner = modelOwner;
-            isWmo = modelData.isWmo;
             return true;
         }
 
@@ -74,6 +73,12 @@ namespace Game.Collision
             return mdl;
         }
 
+        public bool IsMapObject()
+        {
+            return !iModel.IsM2();
+        }
+
+
         public override bool IntersectRay(Ray ray, ref float maxDist, bool stopAtFirstHit, PhaseShift phaseShift, ModelIgnoreFlags ignoreFlags)
         {
             if (!IsCollisionEnabled() || !owner.IsSpawned())
@@ -172,7 +177,7 @@ namespace Game.Collision
             }
             return false;
         }
-        
+
         public bool UpdatePosition()
         {
             if (iModel == null)
@@ -210,9 +215,8 @@ namespace Game.Collision
 
         public void EnableCollision(bool enable) { _collisionEnabled = enable; }
         bool IsCollisionEnabled() { return _collisionEnabled; }
-        public bool IsMapObject() { return isWmo; }
         public byte GetNameSetId() { return owner.GetNameSetId(); }
-        
+
         public static bool LoadGameObjectModelList()
         {
             uint oldMSTime = Time.GetMSTime();
@@ -239,13 +243,12 @@ namespace Game.Collision
                         break;
 
                     uint displayId = reader.ReadUInt32();
-                    bool isWmo = reader.ReadBoolean();
                     int name_length = reader.ReadInt32();
                     string name = reader.ReadString(name_length);
                     Vector3 v1 = reader.Read<Vector3>();
                     Vector3 v2 = reader.Read<Vector3>();
 
-                    StaticModelList.models.Add(displayId, new GameobjectModelData(name, v1, v2, isWmo));
+                    StaticModelList.models.Add(displayId, new GameobjectModelData(name, v1, v2));
                 }
             }
             catch (EndOfStreamException ex)
@@ -265,20 +268,17 @@ namespace Game.Collision
         float iScale;
         WorldModel iModel;
         GameObjectModelOwnerBase owner;
-        bool isWmo;
     }
     public class GameobjectModelData
     {
-        public GameobjectModelData(string name_, Vector3 lowBound, Vector3 highBound, bool isWmo_)
+        public GameobjectModelData(string name_, Vector3 lowBound, Vector3 highBound)
         {
             bound = new AxisAlignedBox(lowBound, highBound);
             name = name_;
-            isWmo = isWmo_;
         }
 
         public AxisAlignedBox bound;
         public string name;
-        public bool isWmo;
     }
 }
-    
+