Initial basic sub object transformation

project/code/TMV/ModelLoader.cs

@@ -49,6 +49,25 @@ public class ModelLoader
             GD.Print($"Failed to load model file: {modelPath}");
             return null;
         }
+        
+        // Transform subobjs
+        // TODO: Traverse children properly
+        // TODO: Apply to normals
+        // TODO: Apply joints(??)
+        foreach (var subObj in modelFile.Objects)
+        {
+            if (subObj.Type == 0)
+            {
+                continue;
+            }
+            
+            for (var i = subObj.PointIdx; i < subObj.PointIdx + subObj.PointCount; i++)
+            {
+                var v = modelFile.Vertices[i];
+                v = System.Numerics.Vector3.Transform(v, subObj.Transform);
+                modelFile.Vertices[i] = v;
+            }
+        }
 
         var materials = new List<StandardMaterial3D>();
         foreach (var material in modelFile.Materials)