Continue new platform/glium implementations

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

raidillon_core/Cargo.lock

@@ -2,6 +2,119 @@
 # It is not intended for manual editing.
 version = 4
 
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+ "cfg-if",
+ "once_cell",
+ "version_check",
+ "zerocopy",
+]
+
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+dependencies = [
+ "proc-macro2",
+]
+
 [[package]]
 name = "raidillon_core"
 version = "0.1.0"
+dependencies = [
+ "hecs",
+]
+
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+ "proc-macro2",
+ "quote",
+ "syn",
+]

raidillon_core/Cargo.toml

@@ -4,3 +4,4 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
+hecs = "0.10.5"

raidillon_core/src/lib.rs

@@ -0,0 +1,2 @@
+mod scene;
+pub use scene::{Scene, SceneManager};

raidillon_core/src/scene.rs

@@ -0,0 +1,30 @@
+pub struct Scene {
+    title: String,
+    world: hecs::World,
+    skybox_texture_path: String,
+}
+
+pub struct SceneManager {
+    scenes: Vec<Option<Scene>>,
+    active_index: usize,
+}
+
+impl SceneManager {
+    pub fn current(&self) -> &Scene {
+        self.scenes[self.active_index].as_ref().unwrap()
+    }
+
+    pub fn current_mut(&mut self) -> &mut Scene {
+        self.scenes[self.active_index].as_mut().unwrap()
+    }
+
+    pub fn add_scene(&mut self, scene: Scene) -> usize {
+        let idx = self.scenes.len();
+        self.scenes.push(Some(scene));
+        idx
+    }
+
+    pub fn remove_scene(&mut self, idx: usize) {
+        self.scenes[idx] = None;
+    }
+}