Core/Vmap: Fix vmaps not getting floor on gameobjects

Source/Game/Collision/Models/GameObjectModel.cs

@@ -86,7 +86,7 @@ namespace Game.Collision
             return mdl;
         }
 
-        public bool intersectRay(Ray ray, ref float maxDist, bool stopAtFirstHit, List<uint> phases)
+        public override bool IntersectRay(Ray ray, ref float maxDist, bool stopAtFirstHit, List<uint> phases)
         {
             if (!isCollisionEnabled() || !owner.IsSpawned())
                 return false;

Source/Game/Collision/Models/IModel.cs

@@ -16,6 +16,7 @@
  */
 
 using Framework.GameMath;
+using System.Collections.Generic;
 
 namespace Game.Collision
 {
@@ -23,5 +24,8 @@ namespace Game.Collision
     {
         public virtual Vector3 getPosition() { return default(Vector3); }
         public virtual AxisAlignedBox getBounds() { return default(AxisAlignedBox); }
+
+        public virtual bool IntersectRay(Ray ray, ref float maxDist, bool stopAtFirstHit, List<uint> phases) { return false; }
+        public virtual bool IntersectRay(Ray ray, ref float distance, bool stopAtFirstHit) { return false; }
     }
 }

Source/Game/Collision/Models/WorldModel.cs

@@ -249,7 +249,7 @@ namespace Game.Collision
             return true;
         }
 
-        public bool IntersectRay(Ray ray, ref float distance, bool stopAtFirstHit)
+        public override bool IntersectRay(Ray ray, ref float distance, bool stopAtFirstHit)
         {
             if (triangles.Empty())
                 return false;
@@ -311,7 +311,7 @@ namespace Game.Collision
             RootWMOID = 0;
         }
 
-        public bool IntersectRay(Ray ray, ref float distance, bool stopAtFirstHit)
+        public override bool IntersectRay(Ray ray, ref float distance, bool stopAtFirstHit)
         {
             // small M2 workaround, maybe better make separate class with virtual intersection funcs
             // in any case, there's no need to use a bound tree if we only have one submodel