resource: implement retrieving loaded SceneGraph dependencies

examples/testbed/src/main.rs

@@ -79,8 +79,7 @@ async fn main() {
         let separate_gltf = resman.request::<Gltf>("assets/pos-testing/child-node-cubes.glb").unwrap(); */
         //drop(resman);
 
-        //cube_gltf.wait_recurse_dependencies_load();
+        cube_gltf.wait_recurse_dependencies_load();
-        thread::sleep(Duration::from_millis(500));
         let cube_mesh = &cube_gltf.data_ref()
             .unwrap().meshes[0];
         /* let crate_mesh = &crate_gltf.data_ref()
@@ -92,8 +91,7 @@ async fn main() {
         let sponza_model = resman.request::<Gltf>("../assets/sponza/Sponza.gltf").unwrap();
         drop(resman);
 
-        //sponza_model.wait_recurse_dependencies_load();
+        sponza_model.wait_recurse_dependencies_load();
-        thread::sleep(Duration::from_millis(10000));
         let sponza_scene = &sponza_model.data_ref()
             .unwrap().scenes[0];
 

lyra-resource/src/gltf/loader.rs

@@ -131,7 +131,7 @@ impl ModelLoader {
             let handle = ResHandle::new_ready(None, new_mesh);
             ctx.resource_manager.store_uuid(handle.clone());
             node.mesh = Some(handle.clone());
-            scene.insert(&scene_node, handle);
+            scene.insert(&scene_node, (handle.clone(), handle.untyped_clone()));
         }
 
         for child in gnode.children() {

lyra-resource/src/gltf/mod.rs

@@ -2,7 +2,6 @@ pub mod loader;
 pub use loader::*;
 
 pub mod material;
-use lyra_math::Transform;
 use lyra_scene::SceneGraph;
 use crate::ResourceData;
 pub use material::*;
@@ -52,10 +51,3 @@ impl ResourceData for Gltf {
 
     
 }
-
-impl Gltf {
-    /// Collects all Gltf meshes and gets their world Transform.
-    pub fn collect_world_meshes(&self) -> Vec<(ResHandle<Mesh>, Transform)> {
-        todo!()
-    }
-}

lyra-resource/src/gltf/scene.rs

@@ -97,7 +97,10 @@ impl GltfScene {
 
 impl ResourceData for SceneGraph {
     fn dependencies(&self) -> Vec<crate::UntypedResHandle> {
-        todo!()
+        self.world().view::<&crate::UntypedResHandle>()
+            .iter()
+            .map(|han| han.clone())
+            .collect()
     }
 
     fn as_any(&self) -> &dyn std::any::Any {

lyra-resource/src/resource.rs

@@ -96,7 +96,7 @@ pub struct UntypedResource {
     pub(crate) condvar: Arc<(Mutex<bool>, Condvar)>,
 }
 
-#[derive(Clone)]
+#[derive(Clone, Component)]
 pub struct UntypedResHandle{
     pub(crate) res: Arc<RwLock<UntypedResource>>,
     #[allow(dead_code)]

lyra-resource/src/world_ext.rs

@@ -1,5 +1,3 @@
-use std::any::Any;
-
 use crossbeam::channel::Receiver;
 use lyra_ecs::World;
 use notify_debouncer_full::DebouncedEvent;