Native

1 files changed, 192 insertions, 92 deletions

diff --git a/src/lib.rs b/src/lib.rs
index 41bfee8..b89b27e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,8 +1,5 @@
-use winit::platform::web::EventLoopExtWebSys;
-
 pub mod utils;
 pub mod ui;
-pub mod request;
 pub mod context;
 pub mod state;
 pub mod framebuffer;
@@ -10,9 +7,17 @@ pub mod shader;
 pub mod mesh;
 pub mod texture;
 pub mod font;
-pub mod audio;
 pub mod shadow;
-pub mod module;
+pub mod audio;
+
+#[cfg(target_arch = "wasm32")]
+use winit::platform::web::EventLoopExtWebSys;
+
+#[cfg(target_arch = "wasm32")]
+use winit::platform::web::WindowExtWebSys;
+
+#[cfg(target_arch = "wasm32")]
+use wasm_bindgen::JsCast;
 
 static mut CTX: Option<*const context::Context> = None;
 static mut ST: Option<*mut state::State> = None;
@@ -30,28 +35,186 @@ where
     }
 }
 
+pub fn event_loop_body<G>(event: winit::event::Event<()>, elwt: &winit::event_loop::EventLoopWindowTarget<()>)
+    where G: state::Game + 'static,
+{
+    contextualize(|ctx, st, game: &mut G| {
+        match &event {
+            winit::event::Event::WindowEvent {
+                event: wev,
+                window_id,
+                ..
+            } => match wev {
+                winit::event::WindowEvent::CloseRequested
+                    if *window_id == ctx.window.id() => elwt.exit(),
+                winit::event::WindowEvent::Resized{..} => {
+                    #[cfg(target_arch = "wasm32")]
+                    ctx.maximize_canvas();
+                    st.handle_resize(&ctx);
+                },
+                winit::event::WindowEvent::Focused(false) => {
+                    st.keys = state::Keys::new();
+                },
+                winit::event::WindowEvent::CursorMoved { position, ..} => {
+                    st.mouse_moved(&ctx, position.x as f32, position.y as f32, game);
+                },
+                winit::event::WindowEvent::MouseInput {
+                    button,
+                    state,
+                    ..
+                } => match state {
+                    winit::event::ElementState::Pressed => {
+                        st.mouse_pressed(&ctx, *button, game)
+                    },
+                    winit::event::ElementState::Released => {
+                        st.mouse_released(&ctx, *button)
+                    },
+                }
+                winit::event::WindowEvent::KeyboardInput {
+                    event: winit::event::KeyEvent {
+                        physical_key: winit::keyboard::PhysicalKey::Code(key),
+                        state,
+                        repeat: false,
+                        ..
+                    },
+                    ..
+                } => match state {
+                    winit::event::ElementState::Pressed => {
+                        st.key_pressed(&ctx, *key)
+                    },
+                    winit::event::ElementState::Released => {
+                        st.key_released(&ctx, *key)
+                    },
+                }
+                _ => {},
+            },
+            
+            winit::event::Event::AboutToWait => {
+                if ctx.resize_necessary() {
+                    #[cfg(target_arch = "wasm32")]
+                    ctx.maximize_canvas();
+                    st.handle_resize(&ctx);
+                }
+                if let Some(f) = &mut st.request {
+                    match std::future::Future::poll(f.as_mut(), &mut st.waker_ctx) {
+                        std::task::Poll::Pending => {},
+                        std::task::Poll::Ready(res) => {
+                            st.request = None;
+                            match res {
+                                Ok(r) => st.request_returned(&ctx, game, r),
+                                Err(e) => log::warn!("error during HTTP request: {}", e),
+                            }
+                        },
+                    }
+                    // f.poll();
+                }
+                st.run_update(&ctx, game);
+                st.run_render(&ctx, game);
+                ctx.window.request_redraw();
+            },
+
+            _ => {},
+        }
+    });
+}
+
 pub async fn run<'a, F, G, Fut>(gnew: F)
 where
     Fut: std::future::Future<Output = G>,
     G: state::Game + 'static,
     F: (Fn(&'a context::Context) -> Fut),
 {
-    console_log::init_with_level(log::Level::Debug).unwrap();
-    console_error_panic_hook::set_once();
-    tracing_wasm::set_as_global_default();
+    #[cfg(target_arch = "wasm32")]
+    {
+        console_log::init_with_level(log::Level::Debug).unwrap();
+        console_error_panic_hook::set_once();
+        tracing_wasm::set_as_global_default();
+    }
+    #[cfg(not(target_arch = "wasm32"))]
+    {
+        env_logger::Builder::new()
+            .filter(None, log::LevelFilter::Info)
+            .init();
+    }
     log::info!("hello computer, starting up...");
 
     let event_loop = winit::event_loop::EventLoop::new()
         .expect("failed to initialize event loop");
 
-    let window = winit::window::WindowBuilder::new()
-        .with_maximized(true)
-        .with_decorations(false)
-        .build(&event_loop)
-        .expect("failed to initialize window");
+    #[cfg(target_arch = "wasm32")]
+    let (window, gl) = {
+        let window = winit::window::WindowBuilder::new()
+            .with_maximized(true)
+            .with_decorations(false)
+            .build(&event_loop)
+            .expect("failed to initialize window");
+        let gl = web_sys::window()
+            .and_then(|win| win.document())
+            .and_then(|doc| {
+                let dst = doc.get_element_by_id("teleia-parent")?;
+                let canvas = web_sys::Element::from(window.canvas().expect("failed to find canvas"));
+                dst.append_child(&canvas).ok()?;
+                let c = canvas.dyn_into::<web_sys::HtmlCanvasElement>().ok()?;
+                let webgl2_context = c.get_context("webgl2").ok()??
+                    .dyn_into::<web_sys::WebGl2RenderingContext>().ok()?;
+                Some(glow::Context::from_webgl2_context(webgl2_context))
+            })
+            .expect("couldn't add canvas to document");
+        (window, gl)
+    };
+
+    #[cfg(not(target_arch = "wasm32"))]
+    let (window, gl) = {
+        use glutin::config::GlConfig;
+        use glutin::context::NotCurrentGlContext;
+        use glutin::display::{GlDisplay, GetGlDisplay};
+        use glutin::surface::GlSurface;
+        use raw_window_handle::HasRawWindowHandle;
+        use glutin_winit::GlWindow;
+        let window_builder = winit::window::WindowBuilder::new()
+            .with_title("teleia")
+            .with_maximized(true)
+            .with_decorations(false);
+        let template = glutin::config::ConfigTemplateBuilder::new();
+        let display_builder = glutin_winit::DisplayBuilder::new().with_window_builder(Some(window_builder));
+        let (window, gl_config) = display_builder
+            .build(&event_loop, template, |configs| {
+                configs.reduce(|a, c| {
+                    if c.num_samples() > a.num_samples() { c } else { a }
+                }).expect("failed to obtain select configuration")
+            }).expect("failed to obtain opengl display");
+        let window = window.expect("failed to create window");
+        let raw_window_handle = window.raw_window_handle();
+        let gl_display = gl_config.display();
+        let context_attributes = glutin::context::ContextAttributesBuilder::new()
+            // .with_context_api(glutin::context::ContextApi::OpenGl(Some(glutin::context::Version {
+            //     major: 3,
+            //     minor: 3,
+            // })))
+            .build(Some(raw_window_handle));
+        unsafe {
+            let not_current_gl_context = gl_display.create_context(&gl_config, &context_attributes)
+                .expect("failed to obtain opengl context");
+            let attrs = window.build_surface_attributes(Default::default());
+            let gl_surface = gl_display.create_window_surface(&gl_config, &attrs)
+                .expect("failed to create opengl surface");
+            let gl_context = not_current_gl_context.make_current(&gl_surface)
+                .expect("failed to set openglt context");
+            let gl = glow::Context::from_loader_function_cstr(|s| gl_display.get_proc_address(s));
+            gl_surface
+                .set_swap_interval(&gl_context, glutin::surface::SwapInterval::Wait(std::num::NonZeroU32::new(1).unwrap()))
+                .expect("failed to set swap interval");
+            (window, gl)
+        }
+    };
+
+    let ctx = Box::leak(Box::new(context::Context::new(window, gl)));
+
+    #[cfg(target_arch = "wasm32")]
+    {
+        ctx.maximize_canvas();
+    }
 
-    let ctx = Box::leak(Box::new(context::Context::new(window)));
-    ctx.maximize_canvas();
     let game = Box::leak(Box::new(gnew(ctx).await));
     let st = Box::leak(Box::new(state::State::new(&ctx)));
     // request = Some(Box::new(async {
@@ -64,83 +227,20 @@ where
         G = Some(game as *mut G as *mut std::ffi::c_void);
     }
 
-    event_loop.set_control_flow(winit::event_loop::ControlFlow::Wait);
-    event_loop.spawn(|event, elwt| {
-        contextualize(|ctx, st, game: &mut G| {
-            match &event {
-                winit::event::Event::WindowEvent {
-                    event: wev,
-                    window_id,
-                    ..
-                } => match wev {
-                    winit::event::WindowEvent::CloseRequested
-                        if *window_id == ctx.window.id() => elwt.exit(),
-                    winit::event::WindowEvent::Resized{..} => {
-                        ctx.maximize_canvas();
-                        st.handle_resize(&ctx);
-                    },
-                    winit::event::WindowEvent::Focused(false) => {
-                        st.keys = state::Keys::new();
-                    },
-                    winit::event::WindowEvent::CursorMoved { position, ..} => {
-                        st.mouse_moved(&ctx, position.x as f32, position.y as f32, game);
-                    },
-                    winit::event::WindowEvent::MouseInput {
-                        button,
-                        state,
-                        ..
-                    } => match state {
-                        winit::event::ElementState::Pressed => {
-                            st.mouse_pressed(&ctx, *button, game)
-                        },
-                        winit::event::ElementState::Released => {
-                            st.mouse_released(&ctx, *button)
-                        },
-                    }
-                    winit::event::WindowEvent::KeyboardInput {
-                        event: winit::event::KeyEvent {
-                            physical_key: winit::keyboard::PhysicalKey::Code(key),
-                            state,
-                            repeat: false,
-                            ..
-                        },
-                        ..
-                    } => match state {
-                        winit::event::ElementState::Pressed => {
-                            st.key_pressed(&ctx, *key)
-                        },
-                        winit::event::ElementState::Released => {
-                            st.key_released(&ctx, *key)
-                        },
-                    }
-                    _ => {},
-                },
-                
-                winit::event::Event::AboutToWait => {
-                    if ctx.resize_necessary() {
-                        ctx.maximize_canvas();
-                        st.handle_resize(&ctx);
-                    }
-                    if let Some(f) = &mut st.request {
-                        match std::future::Future::poll(f.as_mut(), &mut st.waker_ctx) {
-                            std::task::Poll::Pending => {},
-                            std::task::Poll::Ready(res) => {
-                                st.request = None;
-                                match res {
-                                    Ok(r) => st.request_returned(&ctx, game, r),
-                                    Err(e) => log::warn!("error during HTTP request: {}", e),
-                                }
-                            },
-                        }
-                        // f.poll();
-                    }
-                    st.run_update(&ctx, game);
-                    st.run_render(&ctx, game);
-                    ctx.window.request_redraw();
-                },
 
-                _ => {},
-            }
+    #[cfg(target_arch = "wasm32")]
+    {
+        event_loop.set_control_flow(winit::event_loop::ControlFlow::Wait);
+        event_loop.spawn(|event, elwt| {
+            event_loop_body::<G>(event, elwt);
         });
-    });
+    }
+
+    #[cfg(not(target_arch = "wasm32"))]
+    {
+        event_loop.set_control_flow(winit::event_loop::ControlFlow::Poll);
+        event_loop.run(|event, elwt| {
+            event_loop_body::<G>(event, elwt);
+        }).expect("window closed");
+    }
 }