Add TxtRepl metadata to materials

project/code/TMV/ModelLoader.cs

@@ -63,10 +63,20 @@ public class ModelLoader
                     GD.Print($"Failed to load model texture: {material.Name}");
                 }
 
-                materials.Add(new StandardMaterial3D
+                var mat = new StandardMaterial3D
                 {
                     AlbedoTexture = TextureLoader.LoadTexture(path)
-                });
+                };
+                var name = material.Name.ToLower();
+                for (var i = 0; i < 4; i++)
+                {
+                    if (name.Contains($"replace{i}"))
+                    {
+                        mat.SetMeta($"TxtRepl{i}", true);
+                    }
+                }
+
+                materials.Add(mat);
             }
             else
             {