comfy 0.4.0

A comfy 2d game engine in Rust.
Documentation 
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use crate::*;

pub trait GameLoop: Sized {
    fn new(c: &mut EngineState) -> Self;

    fn performance_metrics(&self, _world: &mut World, _ui: &mut egui::Ui) {}
    fn update(&mut self, c: &mut EngineContext);
}

pub type GameLoopBuilder = Box<dyn Fn() -> Arc<Mutex<dyn GameLoop>>>;

pub struct EngineState {
    pub frame: u64,
    pub flags: RefCell<HashSet<String>>,

    pub dt_stats: MovingStats,
    pub fps_stats: MovingStats,

    pub renderer: Option<WgpuRenderer>,
    pub texture_creator: Option<Arc<AtomicRefCell<WgpuTextureCreator>>>,

    pub meta: AnyMap,

    pub notifications: RefCell<Notifications>,

    pub is_paused: RefCell<bool>,
    pub show_pause_menu: bool,
    pub quit_flag: bool,
}

impl EngineState {
    pub fn new() -> Self {
        cfg_if! {
            if #[cfg(target_arch = "wasm32")] {
                std::panic::set_hook(Box::new(console_error_panic_hook::hook));
                // console_log::init_with_level(log::Level::Info).expect("Couldn't initialize logger");
                console_log::init_with_level(log::Level::Warn).expect("Couldn't initialize logger");
            } else {
                #[cfg(feature = "ci-release")]
                std::panic::set_hook(Box::new(|info| {
                    error!("Panic: {:?}", info);
                }));

                initialize_logger();
            }
        }

        srand(thread_rng().next_u64());
        set_main_camera_zoom(30.0);

        ASSETS.borrow_mut().load_sound_from_bytes(
            "error",
            include_bytes!(concat!(
                env!("CARGO_MANIFEST_DIR"),
                "/assets/error.ogg"
            )),
            StaticSoundSettings::default(),
        );

        Self {
            renderer: None,
            texture_creator: None,

            dt_stats: MovingStats::new(20),
            fps_stats: MovingStats::new(100),

            frame: 0,
            flags: RefCell::new(HashSet::new()),

            meta: AnyMap::new(),

            notifications: RefCell::new(Notifications::new()),

            is_paused: RefCell::new(false),
            show_pause_menu: false,
            quit_flag: false,
        }
    }

    // #[cfg_attr(feature = "exit-after-startup", allow(unreachable_code))]
    // pub fn update(&mut self) {
    //     if self.game_loop.is_none() {
    //         self.game_loop = Some((self.builder.take().unwrap())());
    //     }
    //
    //     let game_loop = self.game_loop.clone().unwrap();
    //
    //     let mut c = self.make_context();
    //
    //     run_update_stages(&mut *game_loop.lock(), &mut c);
    // }

    pub fn make_context(&mut self) -> EngineContext {
        let renderer = self.renderer.as_mut().unwrap();
        let texture_creator = self.texture_creator.as_ref().unwrap();

        EngineContext {
            renderer,

            delta: delta(),

            frame: self.frame,

            dt_stats: &mut self.dt_stats,
            fps_stats: &mut self.fps_stats,

            flags: &mut self.flags,

            meta: &mut self.meta,

            // post_processing_effects: &renderer.post_processing_effects,
            // shaders: &renderer.shaders,
            is_paused: &mut self.is_paused,
            show_pause_menu: &mut self.show_pause_menu,
            quit_flag: &mut self.quit_flag,

            texture_creator,
        }
    }

    // #[cfg(feature = "tracy")]
    // tracy_client::Client::running()
    //     .expect("client must be running")
    //     .secondary_frame_mark(tracy_client::frame_name!("update"));

    pub fn resize(&mut self, new_size: UVec2) {
        self.renderer
            .as_mut()
            .expect("renderer must be initialized")
            .resize(new_size);
    }
}