diff --git a/ProjectForm.cs b/ProjectForm.cs
index 36bdbee..ddd2e19 100644
--- a/ProjectForm.cs
+++ b/ProjectForm.cs
@@ -5778,6 +5778,15 @@ namespace CodeWalker
 
         }
 
+        public void GetVisibleCollisionMeshes(Camera camera, List<BoundsStoreItem> items)
+        {
+            //eventually will need to change this to use a list of Ybn's...
+            if (hidegtavmap)
+            {
+                items.Clear();
+            }
+        }
+
         public void GetVisibleWaterQuads(Camera camera, List<WaterQuad> quads)
         {
             if (hidegtavmap)
diff --git a/World/Space.cs b/World/Space.cs
index 96408d6..78d069d 100644
--- a/World/Space.cs
+++ b/World/Space.cs
@@ -362,13 +362,14 @@ namespace CodeWalker.World
                         break;
                     case 32:
                         occlnodes.Add(node);
-                        //addtogrid = true;
+                        addtogrid = true;
                         break;
                     case 1088:
                         grassnodes.Add(node);
                         addtogrid = true;
                         break;
                     default:
+                        addtogrid = true;
                         break;
                 }
 
diff --git a/WorldForm.cs b/WorldForm.cs
index 8cfa760..a0baf19 100644
--- a/WorldForm.cs
+++ b/WorldForm.cs
@@ -744,6 +744,11 @@ namespace CodeWalker
             collisionitems.Clear();
             space.GetVisibleBounds(camera, collisionmeshrange, collisionmeshlayers, collisionitems);
 
+            if (ProjectForm != null)
+            {
+                ProjectForm.GetVisibleCollisionMeshes(camera, collisionitems);
+            }
+
             foreach (var item in collisionitems)
             {
                 YbnFile ybn = gameFileCache.GetYbn(item.Name);