forestiles/src/lib.rs

mod graphics;
mod state;
use state::State;
use graphics::Graphics;

pub fn main() {
    #[cfg(target_arch = "wasm32")]
    {
        std::panic::set_hook(Box::new(console_error_panic_hook::hook));
        console_log::init().expect("could not initialize logger");
    }
    #[cfg(not(target_arch = "wasm32"))]
    {
        env_logger::init();
    }

    let event_loop = winit::event_loop::EventLoop::new().unwrap();
    let window = winit::window::WindowBuilder::new().build(&event_loop).unwrap();

    #[cfg(not(target_arch = "wasm32"))]
    {
        let state = State::new();
        pollster::block_on(Graphics::init(&window, state)).run(event_loop);
    }
    #[cfg(target_arch = "wasm32")]
    {
        use winit::platform::web::WindowExtWebSys;
        web_sys::window()
            .unwrap()
            .document()
            .unwrap()
            .body()
            .unwrap()
            .append_child(&window.canvas().unwrap())
            .unwrap();
        wasm_bindgen_futures::spawn_local(async move {
            Graphics::init(&window, State::new()).await.run(event_loop);
        });
    }
}

#[cfg(target_os = "android")]
#[no_mangle]
fn android_main(app: winit::platform::android::activity::AndroidApp) {
    use std::thread;
    use std::time::Duration;

    use winit::platform::android::EventLoopBuilderExtAndroid;
    use winit::event_loop::EventLoopBuilder;
    use winit::window::WindowBuilder;

    let event_loop = EventLoopBuilder::new()
        .with_android_app(app)
        .build()
        .expect("Can’t build event loop");

    let mut window_builder = WindowBuilder::new();        
    let window = window_builder.build(&event_loop)
        .expect("Can't create window!");

    thread::sleep(Duration::from_secs(2));

    let state = State::new();
    pollster::block_on(Graphics::init(&window, state)).run(event_loop);
}