diff options
| -rw-r--r-- | src/lib.rs | 35 |
1 files changed, 29 insertions, 6 deletions
@@ -13,6 +13,22 @@ pub mod font; pub mod audio; pub mod shadow; +static mut CTX: Option<*const context::Context> = None; +static mut ST: Option<*mut state::State> = None; +static mut G: Option<*mut std::ffi::c_void> = None; + +pub fn contextualize<F, G>(f: F) +where + G: state::Game + 'static, + F: Fn(&context::Context, &mut state::State, &mut G) { + unsafe { + match (CTX, ST, G) { + (Some(c), Some(s), Some(g)) => f(&*c, &mut*s, &mut*(g as *mut G)), + _ => log::info!("context not set"), + } + } +} + pub fn run<F, G>(gnew: F) where G: state::Game + 'static, F: (Fn(&context::Context) -> G) { console_log::init_with_level(log::Level::Debug).unwrap(); console_error_panic_hook::set_once(); @@ -28,10 +44,17 @@ pub fn run<F, G>(gnew: F) where G: state::Game + 'static, F: (Fn(&context::Conte .build(&event_loop) .expect("failed to initialize window"); - let ctx = context::Context::new(window); + let ctx = Box::leak(Box::new(context::Context::new(window))); ctx.maximize_canvas(); - let mut game = gnew(&ctx); - let mut st = state::State::new(&ctx); + let mut game = Box::leak(Box::new(gnew(ctx))); + let mut st = Box::leak(Box::new(state::State::new(&ctx))); + + unsafe { + CTX = Some(ctx as _); + ST = Some(st as _); + G = Some(game as *mut G as *mut std::ffi::c_void); + } + st.write_log("test"); st.write_log("foo"); st.write_log("bar"); @@ -60,7 +83,7 @@ pub fn run<F, G>(gnew: F) where G: state::Game + 'static, F: (Fn(&context::Conte .. } => match state { winit::event::ElementState::Pressed => { - st.mouse_pressed(&ctx, button, &mut game) + st.mouse_pressed(&ctx, button, game) }, winit::event::ElementState::Released => { st.mouse_released(&ctx, button) @@ -90,8 +113,8 @@ pub fn run<F, G>(gnew: F) where G: state::Game + 'static, F: (Fn(&context::Conte ctx.maximize_canvas(); st.handle_resize(&ctx); } - st.run_update(&ctx, &mut game); - st.run_render(&ctx, &mut game); + st.run_update(&ctx, game); + st.run_render(&ctx, game); ctx.window.request_redraw(); }, |