lyra-resource: Make it possible to add resource loaders to the resource manager

lyra-resource/src/loader/mod.rs

@@ -29,7 +29,7 @@ impl From<io::Error> for LoaderError {
     }
 }
 
-pub trait ResourceLoader: Send + Sync {
+pub trait ResourceLoader {
     /// Returns the extensions that this loader supports.
     fn extensions(&self) -> &[&str];
     /// Returns the mime types that this loader supports.

lyra-resource/src/resource.rs

@@ -9,7 +9,7 @@ pub enum ResourceState {
 }
 
 #[derive(Clone)]
-pub struct Resource<T: Send + Sync + 'static> {
+pub struct Resource<T> {
     pub path: String,
     pub data: Option<Arc<T>>,
     pub uuid: Uuid,
@@ -19,7 +19,7 @@ pub struct Resource<T: Send + Sync + 'static> {
 /// A helper type to make it easier to use resources
 pub type ResHandle<T> = Arc<Resource<T>>;
 
-impl<T: Send + Sync + 'static> Resource<T> {
+impl<T> Resource<T> {
     /// Create the resource with data, its assumed the state is `Ready`
     pub fn with_data(path: &str, data: T) -> Self {
         Self {

lyra-resource/src/resource_manager.rs

@@ -65,6 +65,14 @@ impl ResourceManager {
         }
     }
 
+    /// Registers a loader to the manager.
+    pub fn register_loader<L>(&mut self)
+    where
+        L: ResourceLoader + Default + 'static
+    {
+        self.loaders.push(Arc::new(L::default()));
+    }
+
     pub fn request<T: Send + Sync + Any + 'static>(&mut self, path: &str) -> Result<Arc<Resource<T>>, RequestError> {
         match self.resources.get(&path.to_string()) {
             Some(res) => {