Some cleanups for wasm and asmjs

[mandelwow.git] / main.rs

diff --git a/main.rs b/main.rs
index d1582dc288c86ab54c6320a4fcde1363e43e22d4..9c223c90973673d8493c6d7b780642ecc2d933d6 100644 (file)
--- a/main.rs
+++ b/main.rs
@@ -3,9 +3,7 @@ extern crate cgmath;
 extern crate glium;
 extern crate glutin;
 extern crate image;
-#[cfg(not(target_os = "emscripten"))]
 extern crate libxm;
-#[cfg(not(target_os = "emscripten"))]
 extern crate sdl2;
 
 //use cgmath::prelude::*;
@@ -15,15 +13,13 @@ use glium::{DisplayBuild, Surface};
 use glutin::ElementState::Pressed;
 use glutin::Event::KeyboardInput;
 use glutin::VirtualKeyCode;
+
+#[cfg(target_os = "emscripten")]
 use std::os::raw::{c_int, c_void};
 
 mod bounding_box;
 mod cube;
 mod mandelwow;
-#[cfg(not(target_os = "emscripten"))]
-mod sound;
-#[cfg(target_os = "emscripten")]
-#[path = "sound_emscripten.rs"]
 mod sound;
 mod support;
 
@@ -35,23 +31,36 @@ fn screenshot(display : &glium::Display) {
     image.save(&mut output, image::ImageFormat::PNG).unwrap();
 }
 
+fn gl_info(display : &glium::Display) {
+    let version = *display.get_opengl_version();
+    let api = match version {
+        glium::Version(glium::Api::Gl, _, _) => "OpenGL",
+        glium::Version(glium::Api::GlEs, _, _) => "OpenGL ES"
+    };
+    println!("{} context verson: {}", api, display.get_opengl_version_string());
+}
+
+#[cfg(target_os = "emscripten")]
 #[allow(non_camel_case_types)]
 type em_callback_func = unsafe extern fn();
+#[cfg(target_os = "emscripten")]
 extern {
     fn emscripten_set_main_loop(func : em_callback_func, fps : c_int, simulate_infinite_loop : c_int);
 }
 
+#[cfg(target_os = "emscripten")]
 thread_local!(static MAIN_LOOP_CALLBACK: std::cell::RefCell<*mut c_void> =
               std::cell::RefCell::new(std::ptr::null_mut()));
 
-pub fn set_main_loop_callback<F>(callback : F) where F : FnMut() {
+#[cfg(target_os = "emscripten")]
+pub fn set_main_loop_callback<F>(callback : F) where F : FnMut() -> support::Action {
     MAIN_LOOP_CALLBACK.with(|log| {
             *log.borrow_mut() = &callback as *const _ as *mut c_void;
             });
 
     unsafe { emscripten_set_main_loop(wrapper::<F>, 0, 1); }
 
-    unsafe extern "C" fn wrapper<F>() where F : FnMut() {
+    unsafe extern "C" fn wrapper<F>() where F : FnMut() -> support::Action {
         MAIN_LOOP_CALLBACK.with(|z| {
             let closure = *z.borrow_mut() as *mut F;
             (*closure)();
@@ -59,11 +68,16 @@ pub fn set_main_loop_callback<F>(callback : F) where F : FnMut() {
     }
 }
 
+#[cfg(not(target_os = "emscripten"))]
+pub fn set_main_loop_callback<F>(callback : F) where F : FnMut() -> support::Action {
+    support::start_loop(callback);
+}
+
 fn main() {
     let _soundplayer = sound::start();
 
     let display = glutin::WindowBuilder::new()
-        .with_dimensions(300, 300)
+        .with_dimensions(600, 600)
         //.with_fullscreen(glutin::get_primary_monitor())
         .with_depth_buffer(24)
         .with_vsync()
@@ -71,12 +85,7 @@ fn main() {
         .build_glium()
         .unwrap();
 
-    let version = *display.get_opengl_version();
-    let api = match version {
-        glium::Version(glium::Api::Gl, _, _) => "OpenGL",
-        glium::Version(glium::Api::GlEs, _, _) => "OpenGL ES"
-    };
-    println!("{} context verson: {}", api, display.get_opengl_version_string());
+    gl_info(&display);
 
     let mandelwow_program = mandelwow::program(&display);
     let bounding_box_program = bounding_box::solid_fill_program(&display);
@@ -97,7 +106,6 @@ fn main() {
         zmax:  1.1,
     };
 
-    //support::start_loop(|| {
     set_main_loop_callback(|| {
         camera.update();
 
@@ -143,7 +151,7 @@ fn main() {
                 glutin::Event::Closed |
                 KeyboardInput(Pressed, _, Some(VirtualKeyCode::Escape)) |
                 KeyboardInput(Pressed, _, Some(VirtualKeyCode::Q)) => {
-                    //return support::Action::Stop
+                    return support::Action::Stop
                 },
                 KeyboardInput(Pressed, _, Some(VirtualKeyCode::B)) => {
                     bounding_box_enabled ^= true;
@@ -177,6 +185,6 @@ fn main() {
             }
         }
 
-        //support::Action::Continue
+        support::Action::Continue
     });
 }