refactor(engine): make asset importers per asset type

1 files changed, 9 insertions, 2 deletions

diff --git a/engine/src/model/asset.rs b/engine/src/model/asset.rs
index ff5eddf..af3e1b2 100644
--- a/engine/src/model/asset.rs
+++ b/engine/src/model/asset.rs
@@ -42,15 +42,19 @@ impl Default for Settings
 
 pub fn add_importers(assets: &mut Assets)
 {
-    assets.set_importer(["obj"], import_wavefront_obj_asset);
+    assets.set_importer::<Spec, Settings, Error>(import);
 }
 
-fn import_wavefront_obj_asset(
+fn import(
     asset_submitter: &mut AssetSubmitter<'_>,
     path: &Path,
     settings: Option<&Settings>,
 ) -> Result<(), Error>
 {
+    if path.extension().is_none_or(|ext| ext != "obj") {
+        return Err(Error::UnsupportedFileType);
+    }
+
     let settings = match settings {
         Some(settings) => settings,
         None => &Settings::default(),
@@ -107,6 +111,9 @@ fn import_wavefront_obj_asset(
 #[derive(Debug, thiserror::Error)]
 enum Error
 {
+    #[error("File type is unsupported")]
+    UnsupportedFileType,
+
     #[error("Invalid path '{}'", .0.display())]
     InvalidPath(PathBuf),