Continue new platform/glium implementations

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

.gitignore

@@ -1,2 +1,3 @@
 target/
 *.patch
+.idea/

Cargo.toml

@@ -0,0 +1,6 @@
+[workspace]
+members = [
+    "raidillon_core",
+    "raidillon_glium",
+    "raidillon_platform"
+]

raidillon_core/Cargo.lock

@@ -2,6 +2,119 @@
 # It is not intended for manual editing.
 version = 4
 
+[[package]]
+name = "ahash"
+version = "0.8.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a15f179cd60c4584b8a8c596927aadc462e27f2ca70c04e0071964a73ba7a75"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+ "version_check",
+ "zerocopy",
+]
+
+[[package]]
+name = "cfg-if"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9555578bc9e57714c812a1f84e4fc5b4d21fcb063490c624de019f7464c91268"
+
+[[package]]
+name = "hashbrown"
+version = "0.14.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
+dependencies = [
+ "ahash",
+]
+
+[[package]]
+name = "hecs"
+version = "0.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1cbc675ee8d97b4d206a985137f8ad59666538f56f906474f554467a63c776d"
+dependencies = [
+ "hashbrown",
+ "spin",
+]
+
+[[package]]
+name = "once_cell"
+version = "1.21.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "42f5e15c9953c5e4ccceeb2e7382a716482c34515315f7b03532b8b4e8393d2d"
+
+[[package]]
+name = "proc-macro2"
+version = "1.0.95"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "02b3e5e68a3a1a02aad3ec490a98007cbc13c37cbe84a3cd7b8e406d76e7f778"
+dependencies = [
+ "unicode-ident",
+]
+
+[[package]]
+name = "quote"
+version = "1.0.40"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1885c039570dc00dcb4ff087a89e185fd56bae234ddc7f056a945bf36467248d"
+dependencies = [
+ "proc-macro2",
+]
+
 [[package]]
 name = "raidillon_core"
 version = "0.1.0"
+dependencies = [
+ "hecs",
+]
+
+[[package]]
+name = "spin"
+version = "0.9.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6980e8d7511241f8acf4aebddbb1ff938df5eebe98691418c4468d0b72a96a67"
+
+[[package]]
+name = "syn"
+version = "2.0.104"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "17b6f705963418cdb9927482fa304bc562ece2fdd4f616084c50b7023b435a40"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "unicode-ident",
+]
+
+[[package]]
+name = "unicode-ident"
+version = "1.0.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5a5f39404a5da50712a4c1eecf25e90dd62b613502b7e925fd4e4d19b5c96512"
+
+[[package]]
+name = "version_check"
+version = "0.9.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
+
+[[package]]
+name = "zerocopy"
+version = "0.8.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1039dd0d3c310cf05de012d8a39ff557cb0d23087fd44cad61df08fc31907a2f"
+dependencies = [
+ "zerocopy-derive",
+]
+
+[[package]]
+name = "zerocopy-derive"
+version = "0.8.26"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ecf5b4cc5364572d7f4c329661bcc82724222973f2cab6f050a4e5c22f75181"
+dependencies = [
+ "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;
+    }
+}

raidillon_glium/Cargo.lock

@@ -1225,6 +1225,10 @@ version = "5.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
 
+[[package]]
+name = "raidillon_core"
+version = "0.1.0"
+
 [[package]]
 name = "raidillon_glium"
 version = "0.1.0"
@@ -1233,7 +1237,9 @@ dependencies = [
  "glam",
  "glium",
  "gltf",
+ "raidillon_core",
  "raidillon_platform",
+ "winit",
 ]
 
 [[package]]

raidillon_glium/Cargo.toml

@@ -9,3 +9,5 @@ glam = "0.30.5"
 glium = { version = "0.35.0", features = ["glutin_backend", "simple_window_builder"] }
 gltf = { version = "1.4.1", features = ["import", "utils", "KHR_texture_transform"] }
 raidillon_platform = { path = "../raidillon_platform" }
+raidillon_core = { path = "../raidillon_core" }
+winit = "0.30.12"

raidillon_glium/src/assets.rs

@@ -1,30 +1,47 @@
-use raidillon_platform::AssetManager;
+use raidillon_platform::assets::AssetManager;
 use crate::model::Model;
-use std::path::Path;
-use raidillon_platform::assets::ModelHandle;
+use std::path::{Path, PathBuf};
 use crate::gltf_loader::load_gltf;
 use glium::backend::Facade;
 use std::collections::HashMap;
+use std::collections::hash_map::Entry;
 
 /// Glium platform asset manager implementation.
 pub struct GliumAssetManager {
-    models: Vec<Option<Model>>,
+    models: HashMap<PathBuf, Model>,
     facade: Box<dyn Facade>,
-    next_model_id: usize,
 }
 
-impl AssetManager for GliumAssetManager {
-    fn load_gltf(&mut self, path: &Path) -> ModelHandle {
-        let model_id = self.next_model_id;
-        let model = load_gltf(path, self.facade.as_ref()).unwrap();
-        self.models.push(Some(model));
-        self.next_model_id += 1;
-        model_id
-    }
-
-    fn unload_model(&mut self, model_handle: ModelHandle) {
-        if model_handle < self.models.len() {
-            self.models[model_handle] = None;
+impl GliumAssetManager {
+    pub fn new(facade: Box<dyn Facade>) -> Self {
+        let models = HashMap::new();
+        Self {
+            models,
+            facade,
+        }
+    }
+}
+
+impl AssetManager for GliumAssetManager {
+    type Model = Model;
+    
+    fn load_gltf(&mut self, path: &Path) {
+        let model = load_gltf(path, self.facade.as_ref()).unwrap();
+        self.models.insert(path.to_path_buf(), model);
+    }
+
+    fn unload_model(&mut self, path: &Path) {
+        self.models.remove(&path.to_path_buf());
+    }
+
+    fn get_model(&mut self, path: &Path) -> &Self::Model {
+        let path_buf = path.to_path_buf();
+        match self.models.entry(path_buf) {
+            Entry::Occupied(entry) => entry.into_mut(),
+            Entry::Vacant(entry) => {
+                let model = load_gltf(path, self.facade.as_ref()).unwrap();
+                entry.insert(model)
+            }
         }
     }
 }

raidillon_glium/src/lib.rs

@@ -2,6 +2,9 @@ pub mod platform;
 pub mod assets;
 pub mod model;
 pub mod gltf_loader;
+pub mod system;
+mod render;
 
 pub use assets::GliumAssetManager;
 pub use platform::GliumPlatform;
+pub use system::RenderingSystem;

raidillon_glium/src/platform.rs

@@ -1,17 +1,24 @@
+use std::sync::{Arc, RwLock};
+use glium::backend::Facade;
 use raidillon_platform::Platform;
 use glium::winit::event_loop::EventLoop;
 use glium::winit::window::Window;
 use glium::backend::glutin::Display;
 use glium::glutin::surface::WindowSurface;
 use glium::backend::glutin::SimpleWindowBuilder;
+use crate::system::{RenderingSystemManager, RenderingSystem};
+use winit::event::{Event, WindowEvent};
+use crate::GliumAssetManager;
 
-pub struct GliumPlatform {
+pub struct GliumPlatform<RS: RenderingSystem> {
     event_loop: EventLoop<()>,
     window: Window,
     display: Display<WindowSurface>,
+    rendering_system_manager: RenderingSystemManager<RS>,
+    asset_manager: Arc<RwLock<GliumAssetManager>>,
 }
 
-impl Platform for GliumPlatform {
+impl<RS: RenderingSystem> Platform for GliumPlatform<RS> {
     fn initialize(title: String, width: u32, height: u32) -> Self {
         let event_loop = glium::winit::event_loop::EventLoop::builder()
             .build()
@@ -22,10 +29,32 @@ impl Platform for GliumPlatform {
             .with_inner_size(width, height)
             .build(&event_loop);
 
+        let rendering_system_manager = RenderingSystemManager::new();
+        let asset_manager = Arc::new(RwLock::new(GliumAssetManager::new(Box::new(display.clone()))));
         Self {
             event_loop,
             window,
-            display
+            display,
+            rendering_system_manager,
+            asset_manager,
         }
     }
+
+    fn run(self) {
+        let _ = &self.event_loop.run(move |event, el| {
+            match event {
+                Event::WindowEvent { event, .. } => match event {
+                    WindowEvent::CloseRequested => {},
+                    WindowEvent::RedrawRequested => {
+
+                    }
+                    _ => {},
+                },
+                Event::AboutToWait => {
+                    self.window.request_redraw();
+                }
+                _ => {},
+            }
+        });
+    }
 }

raidillon_glium/src/render/basic.rs

@@ -0,0 +1,12 @@
+use glium::Surface;
+use crate::RenderingSystem;
+use crate::system::RenderingContext;
+
+/// A basic renderer pipeline step.
+pub struct BasicRenderingSystem;
+
+impl RenderingSystem for BasicRenderingSystem {
+    fn render<S: Surface>(ctx: &mut RenderingContext<S>) {
+        todo!()
+    }
+}

raidillon_glium/src/render/mod.rs

@@ -0,0 +1,2 @@
+mod basic;
+pub use basic::BasicRenderingSystem;

raidillon_glium/src/system.rs

@@ -0,0 +1,35 @@
+use std::collections::HashMap;
+use raidillon_core::Scene;
+use glium::Surface;
+
+pub struct RenderingContext<'a, S: Surface> {
+    pub scene: &'a mut Scene,
+    pub target: &'a mut S,
+}
+
+/// The internal "rendering system" trait of raidillon_glium.
+/// This is unrelated to the main System trait in raidillon_core.
+pub trait RenderingSystem {
+    fn render<S: Surface>(ctx: &mut RenderingContext<S>);
+}
+
+type SystemID = String;
+
+pub struct RenderingSystemManager<T: RenderingSystem> {
+    pub systems: HashMap<SystemID, Box<T>>,
+}
+
+impl<T: RenderingSystem> RenderingSystemManager<T> {
+    pub fn new() -> Self {
+        Self {
+            systems: HashMap::new(),
+        }
+    }
+    pub fn add_system(&mut self, id: SystemID, system: T) {
+        self.systems.insert(id, Box::new(system));
+    }
+
+    pub fn remove_system(&mut self, id: SystemID) {
+        self.systems.remove(&id);
+    }
+}

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);
 }