/*

3D Renderer
Copyright (C) 2017  Davis Remmel <d@visr.me>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.

*/

use std::time::Duration;
use std::thread;

mod ddd;

fn main() {
  // Create the screen

  let mut camera = ddd::rig::Camera {
    sensor: ddd::rig::Sensor::new(320, 240, 16.0, 12.0),
    focal_point: ddd::Point::new(0.0, 0.0, -7.0),
    sensor_distance_z: 10.0
  };

  let mut test_shape_2 = ddd::space::Shape {
    faces: vec![
      vec![
        ddd::Point::new(-1.0,  1.0, -1.0),
        ddd::Point::new( 1.0,  1.0, -1.0),
        ddd::Point::new( 1.0,  1.0,  1.0),
        ddd::Point::new(-1.0,  1.0,  1.0)
      ],
      vec![
        ddd::Point::new(-1.0, -1.0, -1.0),
        ddd::Point::new( 1.0, -1.0, -1.0),
        ddd::Point::new( 1.0, -1.0,  1.0),
        ddd::Point::new(-1.0, -1.0,  1.0)
      ],
      vec![
        ddd::Point::new( 1.0, -1.0, -1.0),
        ddd::Point::new( 1.0, -1.0,  1.0),
        ddd::Point::new( 1.0,  1.0,  1.0),
        ddd::Point::new( 1.0,  1.0, -1.0)
      ],
      vec![
        ddd::Point::new(-1.0, -1.0, -1.0),
        ddd::Point::new(-1.0, -1.0,  1.0),
        ddd::Point::new(-1.0,  1.0,  1.0),
        ddd::Point::new(-1.0,  1.0, -1.0)
      ],
      vec![
        ddd::Point::new(-1.0, -1.0, -1.0),
        ddd::Point::new( 1.0, -1.0, -1.0),
        ddd::Point::new( 1.0,  1.0, -1.0),
        ddd::Point::new(-1.0,  1.0, -1.0)
      ],
      vec![
        ddd::Point::new(-1.0, -1.0,  1.0),
        ddd::Point::new( 1.0, -1.0,  1.0),
        ddd::Point::new( 1.0,  1.0,  1.0),
        ddd::Point::new(-1.0,  1.0,  1.0)
      ]
    ],
    rotation: ddd::Rotation::new(0.0, 0.0, 0.0),
    translation: ddd::Translation::new(0.0, 0.0, 0.0)
  };

  let mut test_shape_3 = ddd::space::Shape {
    faces: vec![
      vec![
        ddd::Point::new(-1.0,  1.0, -1.0),
        ddd::Point::new( 1.0,  1.0, -1.0),
        ddd::Point::new( 1.0,  1.0,  1.0),
        ddd::Point::new(-1.0,  1.0,  1.0)
      ],
      vec![
        ddd::Point::new(-1.0, -1.0, -1.0),
        ddd::Point::new( 1.0, -1.0, -1.0),
        ddd::Point::new( 1.0, -1.0,  1.0),
        ddd::Point::new(-1.0, -1.0,  1.0)
      ],
      vec![
        ddd::Point::new( 1.0, -1.0, -1.0),
        ddd::Point::new( 1.0, -1.0,  1.0),
        ddd::Point::new( 1.0,  1.0,  1.0),
        ddd::Point::new( 1.0,  1.0, -1.0)
      ],
      vec![
        ddd::Point::new(-1.0, -1.0, -1.0),
        ddd::Point::new(-1.0, -1.0,  1.0),
        ddd::Point::new(-1.0,  1.0,  1.0),
        ddd::Point::new(-1.0,  1.0, -1.0)
      ],
      vec![
        ddd::Point::new(-1.0, -1.0, -1.0),
        ddd::Point::new( 1.0, -1.0, -1.0),
        ddd::Point::new( 1.0,  1.0, -1.0),
        ddd::Point::new(-1.0,  1.0, -1.0)
      ],
      vec![
        ddd::Point::new(-1.0, -1.0,  1.0),
        ddd::Point::new( 1.0, -1.0,  1.0),
        ddd::Point::new( 1.0,  1.0,  1.0),
        ddd::Point::new(-1.0,  1.0,  1.0)
      ]
    ],
    rotation: ddd::Rotation::new(0.0, 0.0, 0.0),
    translation: ddd::Translation::new(0.0, 0.0, 0.0)
  };

  test_shape_2.translate_rel(ddd::Translation::new(-2.0, 0.0, 0.0));
  test_shape_3.translate_rel(ddd::Translation::new(2.0, 0.0, 0.0));

  loop {
    test_shape_2.rotate_rel(ddd::Rotation::new(0.00, 0.02, 0.02));
    test_shape_3.rotate_rel(ddd::Rotation::new(-0.02, -0.02, 0.00));

    camera.rasterize_faces(test_shape_2.apply_face_transformations());
    camera.rasterize_faces(test_shape_3.apply_face_transformations());

    camera.sensor.read_out();
    thread::sleep(Duration::from_millis(1000 / 60));
    // thread::sleep(Duration::from_millis(2000));
  }
}