there are bugs, taking a break to do work on timeline

bin/editor.rs

@@ -6,18 +6,6 @@
 // * When Handle<T> is loaded, the button for TargetAsset<T> should load as well
 // * Exported level should preserve active camera
 // * Picking new GLTF resets audio without resetting buttons
-// * Error with exported scene w/ animation:
-//      WARN bevy_asset::asset_server: encountered an error while loading an asset:
-//      no registration found for type
-//          `alloc::vec::Vec<
-//              alloc::vec::Vec<
-//                  core::option::Option<
-//                      bevy_ecs::entity::Entity
-//                  >>>`
-//      at output.scn.ron:723:23
-//      This is the `path_cache` field on an Animation
-//      ...
-//      Also many other components out of the box just straight up don't work...
 //
 // TODO:
 // * edit textbox with actions
@@ -31,7 +19,6 @@
 use bevy::{
     asset::{Asset, AssetLoader, Assets, ChangeWatcher, LoadContext, LoadedAsset},
     audio::PlaybackMode,
-    core_pipeline::tonemapping::DebandDither,
     gltf::Gltf,
     prelude::*,
     utils::{BoxedFuture, Duration},
@@ -135,6 +122,18 @@ fn main() {
                 //rehydrate_level::<DebandDither, Camera3d>,
             ),
         )
+        .add_systems(
+            Update,
+            (
+                sync_asset_buttons::<Font>,
+                sync_asset_buttons::<AudioSource>,
+                sync_asset_buttons::<Monologue>,
+                sync_asset_buttons::<Level>,
+                sync_asset_buttons::<Gltf>,
+                sync_asset_buttons::<Scene>,
+                sync_asset_buttons::<AnimationClip>,
+            ),
+        )
         .run();
 }
 
@@ -1472,7 +1471,7 @@ mod level {
 
     use super::*;
 
-    type Level = DynamicScene;
+    pub type Level = DynamicScene;
 
     #[derive(Debug, Component, Default)]
     pub struct LevelWidget;
@@ -1645,3 +1644,34 @@ mod quit {
         exit.send(AppExit);
     }
 }
+
+use asset_sync::*;
+mod asset_sync {
+    use super::*;
+
+    // This sets buttons to active when their associated handle is spawned
+    // TODO: Remove active when handle is despawned?
+    //       ONLY IF there are no instances of that handle [!any(*)]
+    pub fn sync_asset_buttons<T: Asset>(
+        events: Query<&Handle<T>, Added<Handle<T>>>,
+        buttons: Query<(Entity, &ui::TargetAsset<T>)>,
+        mut commands: Commands,
+    ) {
+        events.iter().for_each(|this_handle| {
+            info!("Syncing {:?}", this_handle);
+            buttons
+                .iter()
+                .find_map(|(entity, ui::TargetAsset { handle })| {
+                    if handle == this_handle {
+                        Some(entity)
+                    } else {
+                        None
+                    }
+                })
+                .iter()
+                .for_each(|&entity| {
+                    commands.entity(entity).insert(ui::Active);
+                });
+        });
+    }
+}