Continue new platform/glium implementations

- Assets, asset manager system
- Rendering system trait
- Kick off glium platform implementation
- And more

raidillon_platform/src/assets.rs

@@ -1,11 +1,11 @@
 use std::path::Path;
 
-pub type ModelHandle = usize;
-
 /// The asset manager trait of Raidillon.
 pub trait AssetManager {
+    type Model;
     /// Loads a gltf model to VRAM.
-    fn load_gltf(&mut self, path: &Path) -> ModelHandle;
+    fn load_gltf(&mut self, path: &Path);
     /// Unloads the loaded model from VRAM.
-    fn unload_model(&mut self, model_handle: ModelHandle);
+    fn unload_model(&mut self, path: &Path);
+    fn get_model(&mut self, path: &Path) -> &Self::Model;
 }

raidillon_platform/src/context.rs

@@ -1,11 +1,7 @@
 use winit::event::Event;
 use crate::AssetManager;
 
-pub struct FrameContext {
-    pub event: Event<()>,
-}
-
-pub struct PlatformContext {
-    pub frame_context: FrameContext,
-    pub asset_manager: dyn AssetManager,
+pub struct PlatformContext<AM: AssetManager> {
+    pub current_event: Event<()>,
+    pub asset_manager: AM,
 }

raidillon_platform/src/platform.rs

@@ -1,5 +1,5 @@
-
 pub trait Platform {
     /// Initialize platform.
     fn initialize(title: String, width: u32, height: u32) -> Self;
+    fn run(self);
 }