From 59582bdfb83eafc71b08a6a12cb6236fcdf6fe4a Mon Sep 17 00:00:00 2001
From: Jarrod Doyle <thejarroddoyle@gmail.com>
Date: Sat, 7 Dec 2024 10:05:12 +0000
Subject: [PATCH] Initial basic sub object transformation

---
 project/code/TMV/ModelLoader.cs | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/project/code/TMV/ModelLoader.cs b/project/code/TMV/ModelLoader.cs
index 385a5af..efbe88a 100644
--- a/project/code/TMV/ModelLoader.cs
+++ b/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)