feat(bevy_gltf_components): will not panic anymore if a gltf handle cannot be found (#108)

* added some minor extra debug information
* removed a useless clone() call on the gltf handle
* should resolve at least a part of #102

crates/bevy_gltf_components/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "bevy_gltf_components"
-version = "0.2.1"
+version = "0.2.2"
 authors = ["Mark 'kaosat-dev' Moissette"]
 description = "Allows you to define [Bevy](https://bevyengine.org/) components direclty inside gltf files and instanciate the components on the Bevy side."
 homepage = "https://github.com/kaosat-dev/Blender_bevy_components_workflow"

crates/bevy_gltf_components/README.md

@@ -60,7 +60,7 @@ bevy_gltf_components = { version = "0.2"}
 Add the following to your `[dependencies]` section in `Cargo.toml`:
 
 ```toml
-bevy_gltf_components = "0.1"
+bevy_gltf_components = "0.2"
 ```
 
 Or use `cargo add`:

crates/bevy_gltf_components/src/process_gltfs.rs

@@ -1,3 +1,5 @@
+use std::path::Path;
+use bevy::asset::AssetPath;
 use bevy::gltf::Gltf;
 use bevy::utils::HashSet;
 use bevy::{asset::LoadState, prelude::*};
@@ -30,11 +32,18 @@ pub fn track_new_gltf(
 ) {
     for event in events.read() {
         if let AssetEvent::Added { id } = event {
-            let handle = asset_server
-                .get_id_handle(*id)
-                .expect("this gltf should have been loaded");
-            tracker.add_gltf(handle.clone());
-            debug!("gltf created {:?}", handle.clone());
+         
+            let handle = asset_server.get_id_handle(*id);
+            if let Some(handle) = handle {
+                tracker.add_gltf(handle.clone());
+                debug!("gltf created {:?}", handle);
+            } else {
+                let asset_path = asset_server.get_path(*id).unwrap_or(AssetPath::from_path(Path::new("n/a".into())));  // will unfortunatly not work, will do a PR/ discussion at the Bevy level, leaving for reference, would be very practical
+                warn!(
+                    "a gltf file ({:?}) has no handle available, cannot inject components",
+                    asset_path
+                )
+            }
         }
     }
     events.clear();