New crate: raidillon_app, refactor game/main.rs to use the new crate

Cargo.lock

@@ -2091,6 +2091,19 @@ version = "5.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
 
+[[package]]
+name = "raidillon_app"
+version = "0.1.0"
+dependencies = [
+ "raidillon_assets",
+ "raidillon_core",
+ "raidillon_ecs",
+ "raidillon_engine",
+ "raidillon_glium",
+ "raidillon_physics",
+ "raidillon_platform",
+]
+
 [[package]]
 name = "raidillon_assets"
 version = "0.1.0"
@@ -2137,13 +2150,7 @@ dependencies = [
  "egui",
  "glam 0.30.9",
  "hecs",
- "raidillon_assets",
- "raidillon_core",
- "raidillon_ecs",
- "raidillon_engine",
- "raidillon_glium",
- "raidillon_physics",
- "raidillon_platform",
+ "raidillon_app",
  "rapier3d",
  "winit",
 ]

Cargo.toml

@@ -7,5 +7,5 @@ members = [
     "game",
     "ecs",
     "engine",
-    "physics",
+    "physics", "app",
 ]

app/Cargo.toml

@@ -0,0 +1,16 @@
+[package]
+name = "raidillon_app"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+raidillon_engine = { path = "../engine" }
+raidillon_platform = { path = "../platform" }
+raidillon_assets = { path = "../asset" }
+raidillon_ecs = { path = "../ecs" }
+raidillon_physics = { path = "../physics" }
+raidillon_glium = { path = "../glium_platform", optional = true }
+raidillon_core = { path = "../core" }
+
+[features]
+glium = ["raidillon_glium"]

app/src/lib.rs

@@ -0,0 +1,45 @@
+pub mod prelude;
+
+pub use prelude::*;
+
+pub struct App {
+    pub engine: Option<Engine>,
+}
+
+impl App {
+    pub fn new() -> Self {
+        let engine = Engine::new();
+        Self { engine: Some(engine) }
+    }
+
+    pub fn add_system<S: System + Default + 'static>(&mut self) -> &mut Self {
+        self.engine.as_mut().unwrap().system_manager.add::<S>();
+        self
+    }
+
+    pub fn add_scene(&mut self, id: SceneID, scene: Scene) -> &mut Self {
+        self.engine.as_mut().unwrap().scene_manager.add_scene(id, scene);
+        self
+    }
+
+    pub fn set_active_scene(&mut self, id: SceneID) -> &mut Self {
+        self.engine.as_mut().unwrap().scene_manager.set_active_scene(id);
+        self
+    }
+
+    pub fn run(&mut self, title: String, width: u32, height: u32) {
+        #[cfg(feature = "glium")]
+        {
+            let platform = GliumPlatform::initialize(
+                self.engine.take().unwrap(),
+                title,
+                width,
+                height,
+            );
+            platform.run();
+        }
+
+        #[cfg(not(any(feature = "glium")))]
+        compile_error!("No platform feature enabled.");
+    }
+}

app/src/prelude.rs

@@ -0,0 +1,43 @@
+pub use raidillon_engine::{
+    Engine,
+    system::System,
+    EngineResources,
+    InputState,
+    system::SystemContext,
+};
+
+pub use raidillon_platform::{
+    Platform,
+    Camera,
+    PlatformContext,
+    TimeContext,
+};
+
+pub use raidillon_assets::{
+    ModelManagerRef,
+    model_path,
+};
+
+pub use raidillon_ecs::{
+    components::{
+        CameraMode,
+        CharacterBodyComponent,
+        ModelHandle,
+        RigidBodyComponent,
+        Transform,
+    },
+};
+
+pub use raidillon_physics::Physics;
+
+pub use raidillon_core::{
+    scene::{Scene, SceneID},
+    EguiQueue,
+    engine::EngineTrait,
+};
+
+#[cfg(feature = "glium")]
+pub use raidillon_glium::{
+    GliumPlatform,
+    RenderingSystem,
+};

core/src/scene.rs

@@ -40,7 +40,7 @@ impl AsMut<Scene> for Scene {
     }
 }
 
-type SceneID = &'static str;
+pub type SceneID = &'static str;
 
 pub struct SceneManager {
     scenes: HashMap<SceneID, Scene>,

game/Cargo.toml

@@ -3,18 +3,8 @@ name = "raidillon_game"
 version = "0.1.0"
 edition = "2024"
 
-[features]
-default = ["glium"]
-glium = ["raidillon_glium"]
-
 [dependencies]
-raidillon_core = { path = "../core" }
-raidillon_platform = { path = "../platform" }
-raidillon_assets = { path = "../asset" }
-raidillon_ecs = { path = "../ecs" }
-raidillon_engine = { path = "../engine" }
-raidillon_physics = { path = "../physics" }
-raidillon_glium = { path = "../glium_platform", optional = true }
+raidillon_app = { path = "../app", features = ["glium"] }
 glam = "0.30.5"
 winit = "0.30.12"
 rapier3d = "0.30.1"

game/src/main.rs

@@ -1,25 +1,11 @@
+use raidillon_app::prelude::*;
+
 mod systems;
-use std::fmt::format;
 use glam::{Quat, Vec3};
 use rapier3d::dynamics::{CoefficientCombineRule, RigidBodyType};
 use rapier3d::prelude::ColliderBuilder;
-use raidillon_engine::{Engine, system::System, EngineResources, InputState};
-use raidillon_engine::system::SystemContext;
-use raidillon_platform::{Platform, Camera, PlatformContext};
-use raidillon_assets::model_path;
-use raidillon_core::engine::EngineTrait;
-use raidillon_ecs::components::{CameraMode, CharacterBodyComponent, ModelHandle, RigidBodyComponent};
-use raidillon_ecs::Transform;
-use raidillon_core::scene::Scene;
-#[cfg(feature = "glium")]
-use raidillon_glium::GliumPlatform;
-use winit::event::{ElementState, Event, WindowEvent};
-use winit::event::DeviceEvent::MouseMotion;
-use winit::keyboard::{KeyCode, PhysicalKey};
-use raidillon_core::{EguiQueue};
+use winit::event::{Event, WindowEvent};
 use systems::debug_camera::FPSDebugCameraSystem;
-use raidillon_glium::RenderingSystem;
-use raidillon_physics::Physics;
 use crate::systems::{KeybindsSystem, KinematicCharacterController, PhysicsSystem};
 
 const TEST_GLTF: &str = "sphere.glb";
@@ -46,9 +32,9 @@ impl System for UpdateAspectRatioSystem {
 }
 
 #[derive(Default)]
-struct RenderingTestSystem;
+struct MainSystem;
 
-impl System for RenderingTestSystem {
+impl System for MainSystem {
     fn load_world(&mut self, res: &mut EngineResources, scene: &mut Scene) {
         let pctx = res.get::<PlatformContext>().expect("PlatformContext missing").clone();
         let physics = scene.resources.get_mut::<Physics>().expect("Physics missing");
@@ -130,35 +116,14 @@ impl System for RenderingTestSystem {
 }
 
 fn main() {
-    let mut engine = Engine::new();
-    // Define systems
-    engine.system_manager.add::<PhysicsSystem>();
-    engine.system_manager.add::<KeybindsSystem>();
-    engine.system_manager.add::<KinematicCharacterController>();
-    engine.system_manager.add::<FPSDebugCameraSystem>();
-    engine.system_manager.add::<RenderingTestSystem>();
-    engine.system_manager.add::<UpdateAspectRatioSystem>();
-    // engine.system_manager.add::<InputTestSystem>();
-
-    // Set up the scene
-    let main_scene = Scene::new(
-        MAIN_SCENE_ID.to_owned(),
-        None,
-    );
-    engine.scene_manager.add_scene(MAIN_SCENE_ID, main_scene);
-    engine.scene_manager.set_active_scene(MAIN_SCENE_ID);
-
-    #[cfg(feature = "glium")]
-    {
-        let platform = GliumPlatform::initialize(
-            engine,
-            "Raidillon".to_string(),
-            2560,
-            1080,
-        );
-        platform.run()
-    };
-
-    #[cfg(not(any(feature = "glium")))]
-    compile_error!("No platform feature enabled.");
+    raidillon_app::App::new()
+        .add_system::<PhysicsSystem>()
+        .add_system::<KeybindsSystem>()
+        .add_system::<KinematicCharacterController>()
+        .add_system::<FPSDebugCameraSystem>()
+        .add_system::<MainSystem>()
+        .add_system::<UpdateAspectRatioSystem>()
+        .add_scene(MAIN_SCENE_ID, Scene::new(MAIN_SCENE_ID.to_owned(), None))
+        .set_active_scene(MAIN_SCENE_ID)
+        .run("Raidillon".to_string(), 2560, 1080);
 }

game/src/systems/debug_camera.rs

@@ -1,15 +1,9 @@
-use raidillon_engine::system::{System, SystemContext};
 use glam::{Quat, Vec3};
 use winit::event::DeviceEvent::MouseMotion;
 use winit::event::{ElementState, Event, MouseButton, WindowEvent};
 use winit::keyboard::{KeyCode, PhysicalKey};
 use winit::window::CursorGrabMode;
-use raidillon_assets::model_path;
-use raidillon_platform::{Camera, PlatformContext};
-use raidillon_engine::InputState;
-use raidillon_engine::EngineResources;
-use raidillon_core::scene::Scene;
-use raidillon_ecs::components::CameraMode;
+use raidillon_app::prelude::*;
 
 pub struct FPSDebugCameraSystem {
     mouse_delta: (f64, f64),

game/src/systems/keybinds.rs

@@ -1,9 +1,5 @@
 use winit::keyboard::KeyCode;
-use raidillon_core::scene::Scene;
-use raidillon_ecs::components::CameraMode;
-use raidillon_engine::{EngineResources, InputState};
-use raidillon_engine::system::System;
-use raidillon_platform::{Camera, PlatformContext};
+use raidillon_app::prelude::*;
 
 #[derive(Default)]
 pub struct KeybindsSystem {

game/src/systems/kinematic_character_controller.rs

@@ -1,18 +1,12 @@
 use glam::{Quat, Vec3};
 use rapier3d::prelude::{nalgebra, ColliderBuilder, QueryFilter, RigidBodyBuilder};
 use rapier3d::prelude::vector;
-use raidillon_core::scene::Scene;
-use raidillon_engine::{EngineResources, InputState};
-use raidillon_engine::system::System;
 use rapier3d::control::KinematicCharacterController as RapierKinematicCharacterController;
 use rapier3d::na::{Isometry3, Vector3};
 use winit::event::DeviceEvent::MouseMotion;
 use winit::event::Event;
 use winit::keyboard::KeyCode;
-use raidillon_ecs::components::{CameraMode, CharacterBodyComponent};
-use raidillon_ecs::Transform;
-use raidillon_physics::Physics;
-use raidillon_platform::{Camera, PlatformContext};
+use raidillon_app::prelude::*;
 
 #[derive(Default)]
 pub struct KinematicCharacterController {

game/src/systems/physics.rs

@@ -1,10 +1,4 @@
-use raidillon_core::scene::Scene;
-use raidillon_ecs::components::RigidBodyComponent;
-use raidillon_ecs::Transform;
-use raidillon_engine::EngineResources;
-use raidillon_engine::system::System;
-use raidillon_physics::Physics;
-use raidillon_platform::PlatformContext;
+use raidillon_app::prelude::*;
 
 /// Do physics calculations and apply to world.
 #[derive(Default)]