Cleaned up command line options. Removed old procedural scene code.

src/main.rs

@@ -40,23 +40,21 @@ const USAGE: &'static str = r#"
 Psychopath <VERSION>
 
 Usage:
-  psychopath [options] <imgpath>
   psychopath [options] -i <file>
   psychopath (-h | --help)
   psychopath --version
 
 Options:
-  -i <file>, --input <file>     Input .psy file
+  -i <file>, --input <file>     Input .psy file.
-  -s <n>, --spp <n>             Number of samples per pixel [default: 16].
+  -s <n>, --spp <n>             Number of samples per pixel.
   -h, --help                    Show this screen.
   --version                     Show version.
 "#;
 
 #[derive(Debug, RustcDecodable)]
 struct Args {
-    arg_imgpath: String,
     flag_input: Option<String>,
-    flag_spp: Option<u32>,
+    flag_spp: Option<usize>,
     flag_version: bool,
 }
 
@@ -86,64 +84,6 @@ fn main() {
         panic!()
     };
 
-
-    // Generate a scene of triangles
-    // let mesh = TriangleMesh::from_triangles(2, {
-    // let mut triangles = Vec::new();
-    // let xres = 32;
-    // let yres = 32;
-    // let xinc = 512.0 / (xres as f32);
-    // let yinc = 512.0 / (yres as f32);
-    // for x in 0..xres {
-    // for y in 0..yres {
-    // let i = y * xres + x;
-    // let cx = halton::sample(0, i) * 512.0;
-    // let cy = halton::sample(1, i) * 512.0;
-    // let cz = halton::sample(2, i) * 512.0;
-    // let cx = x as f32 * xinc;
-    // let cy = y as f32 * yinc;
-    // let cz = 1.0;
-    // triangles.push((Point::new(cx, cy, cz + 1.0),
-    // Point::new(cx + xinc, cy, cz + 1.1),
-    // Point::new(cx, cy + yinc, cz + 1.2)));
-    // triangles.push((Point::new(cx + 25.0, cy, cz + 1.0),
-    // Point::new(cx + 25.0 + xinc, cy, cz + 1.1),
-    // Point::new(cx + 25.0, cy + yinc, cz + 1.2)));
-    // }
-    // }
-    // triangles
-    // });
-    //
-    // let cam = Camera::new(vec![Matrix4x4::from_location(Point::new(256.0, 256.0, -1024.0))],
-    // vec![0.785],
-    // vec![20.0],
-    // vec![1026.0]);
-    //
-    // let mut assembly_b = AssemblyBuilder::new();
-    // assembly_b.add_object("yar", Object::Surface(Box::new(mesh)));
-    // assembly_b.add_object_instance("yar",
-    // Some(&[Matrix4x4::from_location(Point::new(25.0, 0.0, 0.0))]));
-    // let assembly = assembly_b.build();
-    //
-    // let scene = Scene {
-    // name: None,
-    // background_color: (0.0, 0.0, 0.0),
-    // camera: cam,
-    // root: assembly,
-    // };
-    //
-    // let r = Renderer {
-    // output_file: args.arg_imgpath.clone(),
-    // resolution: (512, 512),
-    // spp: samples_per_pixel as usize,
-    // scene: scene,
-    // };
-    //
-    println!("Scene built.");
-
-    let samples_per_pixel = args.flag_spp.unwrap_or_else(|| 16);
-    println!("Sample count: {}", samples_per_pixel);
-
     println!("Ray size: {} bytes", mem::size_of::<Ray>());
 
     // Iterate through scenes and render them
@@ -151,7 +91,13 @@ fn main() {
         for child in children {
             if child.type_name() == "Scene" {
                 println!("Parsing scene...");
-                let r = parse_scene(child).unwrap();
+                let mut r = parse_scene(child).unwrap();
+
+                if let Some(spp) = args.flag_spp {
+                    println!("Overriding scene spp: {}", spp);
+                    r.spp = spp;
+                }
+
                 println!("Rendering scene...");
                 r.render();
             }