musing about config/savestate loading

src/geometry.rs

@@ -46,7 +46,7 @@ pub fn load_obj(obj_path: &str) -> Result<RawMesh, String> {
     let (models, materials) = match tobj::load_obj(obj_path, true) {
         Ok((a, b)) => {Ok((a, b))}
         Err(load_error) => {Err(load_error.to_string())}
-    }.unwrap();
+    }?;
 
     // println!("# of models: {}", models.len());
     // println!("# of materials: {}", materials.len());
@@ -78,8 +78,11 @@ pub fn load_obj(obj_path: &str) -> Result<RawMesh, String> {
         if mesh.texcoords.len() % 2 != 0 {
             return Err(format!("position array not % 3 : {}", mesh.positions.len()))
         }
+        if mesh.normals.is_empty() {
+            return Err(format!("It would be best if this had normals"))
+        }
         if mesh.texcoords.is_empty() {
-            log::info!("Mesh texture coordinates empty")
+            log::info!("\tMesh texture coordinates empty")
         }
 
         for v in 0..mesh.positions.len() / 3 {