Play some music!

[mandelwow.git] / mandelwow.rs

diff --git a/mandelwow.rs b/mandelwow.rs
index 3c4da07d4f6064c4ba538416be0ebf9fc8c45bdf..72e3f8690de7745e05c38180bc5fc901ec67b5a6 100644 (file)
--- a/mandelwow.rs
+++ b/mandelwow.rs
@@ -4,12 +4,18 @@
 
 extern crate glium;
 extern crate glutin;
+extern crate libxm;
+extern crate sdl2;
 
 use glium::{DisplayBuild, Surface};
 use glium::index::{IndexBuffer, PrimitiveType};
 use glutin::ElementState::Pressed;
 use glutin::Event::KeyboardInput;
 use glutin::VirtualKeyCode;
+use libxm::XMContext;
+use sdl2::audio::{AudioCallback, AudioDevice, AudioSpecDesired};
+use std::fs::File;
+use std::io::Read;
 
 mod support;
 
@@ -269,7 +275,52 @@ fn mandelwow(display: &glium::Display,
     }
 }
 
+struct XmCallback {
+    xm: XMContext,
+}
+
+impl AudioCallback for XmCallback {
+    type Channel = f32;
+
+    fn callback(&mut self, out: &mut [f32]) {
+        self.xm.generate_samples(out);
+    }
+}
+
+struct SoundPlayer {
+    _device: AudioDevice<XmCallback>,
+}
+
+fn play_xm(raw_xm: &[u8]) -> SoundPlayer {
+    let sdl_context = sdl2::init().unwrap();
+    let sdl_audio = sdl_context.audio().unwrap();
+
+    let sample_rate = 48000u32;
+    let desired_spec = AudioSpecDesired {
+        freq: Some(sample_rate as i32),
+        channels: Some(2u8),
+        samples: None,
+    };
+    let device = sdl_audio.open_playback(None, &desired_spec, |actual_spec| {
+        let xm = XMContext::new(&raw_xm, actual_spec.freq as u32).unwrap();
+
+        XmCallback {
+            xm: xm,
+        }
+    }).unwrap();
+
+    device.resume();
+
+    SoundPlayer {
+        _device: device,
+    }
+}
+
 fn main() {
+    let mut xm = Vec::new();
+    File::open("flora.xm").unwrap().read_to_end(&mut xm).unwrap();
+    let _sound_player = play_xm(&xm);
+
     let display = glium::glutin::WindowBuilder::new()
         //.with_dimensions(1024, 768)
         .with_fullscreen(glutin::get_primary_monitor())