Add a sea shaded cubes, just because. No big deal (yet).

[mandelwow.git] / main.rs

diff --git a/main.rs b/main.rs
index 2632712ce8083dc979e662ece34516738b81bd19..e16ba9d9d86155a209d2de08427d76e6ca35d282 100644 (file)
--- a/main.rs
+++ b/main.rs
@@ -1,25 +1,21 @@
+extern crate mandelwow_lib;
+
 extern crate cgmath;
-#[macro_use(uniform,program,implement_vertex)]
+#[macro_use(uniform)]
 extern crate glium;
 extern crate glutin;
 extern crate image;
-extern crate libxm;
-extern crate sdl2;
 
-//use cgmath::prelude::*;
-use cgmath::{Euler, Matrix4, Rad, Vector3};
-use cube::Cube;
+use cgmath::{Euler, Matrix4, One, Rad, Vector3};
+use cgmath::conv::array4x4;
 use glium::{DisplayBuild, Surface};
 use glutin::ElementState::Pressed;
 use glutin::Event::KeyboardInput;
 use glutin::VirtualKeyCode;
-use std::os::raw::{c_int, c_void};
+use mandelwow_lib::*;
 
-mod bounding_box;
-mod cube;
-mod mandelwow;
-mod sound;
-mod support;
+#[cfg(target_os = "emscripten")]
+use std::os::raw::{c_int, c_void};
 
 fn screenshot(display : &glium::Display) {
     let image: glium::texture::RawImage2d<u8> = display.read_front_buffer();
@@ -38,23 +34,27 @@ fn gl_info(display : &glium::Display) {
     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)();
@@ -62,6 +62,11 @@ 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();
 
@@ -78,6 +83,7 @@ fn main() {
 
     let mandelwow_program = mandelwow::program(&display);
     let bounding_box_program = bounding_box::solid_fill_program(&display);
+    let shaded_program = shaded_cube::shaded_program(&display);
 
     let mut camera = support::camera::CameraState::new();
     let mut t: f32 = 0.0;
@@ -94,8 +100,29 @@ fn main() {
         zmin: -1.1,
         zmax:  1.1,
     };
+    let mandelwow_bbox = bounding_box::BoundingBox::new(&display, &bounds, &bounding_box_program);
+    let shaded_cube = ShadedCube::new(&display, &Cube::default(), &shaded_program);
+
+    const SEA_XSIZE: usize = 24;
+    const SEA_ZSIZE: usize = 20;
+    let sea_xmin = -14.0f32;
+    let sea_xmax =  14.0f32;
+    let sea_zmin =  -2.0f32;
+    let sea_zmax = -26.0f32;
+    let sea_xstep = (sea_xmax - sea_xmin) / (SEA_XSIZE as f32);
+    let sea_zstep = (sea_zmax - sea_zmin) / (SEA_ZSIZE as f32);
+
+    let mut sea = [[Matrix4::one(); SEA_ZSIZE]; SEA_XSIZE];
+    for x in 0..SEA_XSIZE {
+        for z in 0..SEA_ZSIZE {
+            sea[x][z] = Matrix4::from_translation(Vector3{
+                x: sea_xmin + (x as f32) * sea_xstep,
+                y: -3.0,
+                z: sea_zmin + (z as f32) * sea_zstep,
+            });
+        }
+     }
 
-    //support::start_loop(|| {
     set_main_loop_callback(|| {
         camera.update();
 
@@ -115,12 +142,12 @@ fn main() {
         let mut frame = display.draw();
         frame.clear_color_and_depth((0.0, 0.0, 0.0, 1.0), 1.0);
 
-        let rotation = cgmath::Matrix4::from(
-            Euler { x: Rad(t.sin() / 3.), y: Rad(t.sin() / 2.), z: Rad(t)});
+        let rotation = Matrix4::from(
+            Euler { x: Rad(t.sin() / 3.), y: Rad(t.sin() / 2.), z: Rad(t / 1.5)});
         let z_trans = -2.0;  // Send the model back a little bit so it fits the screen.
         let model2 =
             Matrix4::from_translation(Vector3::unit_z() * z_trans) * rotation;
-        let model = cgmath::conv::array4x4(model2);
+        let model = array4x4(model2);
 
         // Draw the bounding box before the fractal, when the Z-buffer is still clear,
         // so the lines behind the semi-translucent areas will be drawn.
@@ -130,7 +157,18 @@ fn main() {
                 view:  camera.get_view(),
                 perspective: camera.get_perspective(),
             };
-            bounding_box::draw(&display, &mut frame, &bounding_box_program, &uniforms, &bounds);
+            mandelwow_bbox.draw(&mut frame, &uniforms);
+        }
+
+        for x in 0..SEA_XSIZE {
+            for z in 0..SEA_ZSIZE {
+                let uniforms = uniform! {
+                    model: array4x4(sea[x][z]),
+                    view:  camera.get_view(),
+                    perspective: camera.get_perspective(),
+                };
+                shaded_cube.draw(&mut frame, &uniforms);
+            }
         }
 
         mandelwow::draw(&display, &mut frame, &mandelwow_program, model, &camera, &bounds, wow);
@@ -141,7 +179,7 @@ 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;
@@ -175,6 +213,6 @@ fn main() {
             }
         }
 
-        //support::Action::Continue
+        support::Action::Continue
     });
 }