not working. saving my place until assets v2 gets implemented

assets/foo.trees.level

@@ -0,0 +1,18 @@
+Level(
+  epochs: [
+    Epoch(
+      id: 1,
+      scene: (
+        resources: [],
+        entities: [],
+      ),
+    ),
+    Epoch(
+      id: 2,
+      scene: (
+        resources: [],
+        entities: [],
+      ),
+    ),
+  ],
+)

src/editor/level.rs

@@ -281,7 +281,7 @@ impl AssetLoader for LevelAssetLoader {
         bytes: &'a [u8],
         load_context: &'a mut LoadContext,
     ) -> BoxedFuture<'a, Result<(), bevy::asset::Error>> {
-        Box::pin(async move { Ok(load_level(bytes, load_context).await?) })
+        Box::pin(async move { Ok(load_level(bytes, load_context).await) })
     }
 
     fn extensions(&self) -> &[&str] {
@@ -290,13 +290,12 @@ impl AssetLoader for LevelAssetLoader {
 }
 
 // ref: https://github.com/bevyengine/bevy/blob/12c6fa7e591545afe8c7101b0f021121eea7272f/crates/bevy_gltf/src/loader.rs#L92
-pub async fn load_level<'a, 'b>(
-    bytes: &'a [u8],
-    load_context: &'a mut LoadContext<'b>,
-) -> Handle<Level> {
+pub async fn load_level<'a, 'b>(bytes: &'a [u8], load_context: &'a mut LoadContext<'b>) {
     let level: Level = ron::de::from_bytes(bytes).expect("Deserialize level");
     info!("Level: {:?}", level);
-    let scene = SceneLoader::from_world(&mut World::new())
+    let mut world = World::new();
+    world.insert_resource(AppTypeRegistry { ..default() });
+    let scene = SceneLoader::from_world(&mut world)
         .load(bytes, load_context)
         .await;
     info!("Scene result: {:?}", scene);

src/editor/timeline.rs

@@ -1,4 +1,4 @@
-use bevy::reflect::TypeUuid;
+use bevy::reflect::{TypePath, TypeUuid};
 
 use crate::editor::prelude::*;
 
@@ -12,11 +12,13 @@ impl Plugin for EditorTimelinePlugin {
     }
 }
 
-#[derive(Debug, Component, Resource, Clone, Default, Reflect, TypeUuid, Deserialize)]
+#[derive(
+    Debug, Component, Resource, Clone, Default, TypeUuid, Deserialize, TypePath, FromReflect,
+)]
 #[uuid = "959f5f02-7c80-4b3d-ad02-9dc2e5d1b963"]
 pub struct Epoch {
     id: usize,
-    // scene: Handle<DynamicScene>,
+    scene: DynamicScene,
 }
 
 /// Timeline widget marker