use skunk2d::*;

const WIDTH: i32 = 1280 / 2;
const HEIGHT: i32 = 720 / 2;

struct World {
    img: Image,
    pos: Vec2<i32>,
}

fn main() {
    run::<World>(WIDTH, HEIGHT);
}

impl Game for World {
    fn new(window_state: &mut WindowState) -> Self {
        window_state.set_palette(0, 0xc0, 0xf0, 0xd0);
        window_state.scramble_palette();
        Self {
            img: Image::load_data(include_bytes!("assets/test.gif")),
            pos: Vec2::zero(),
        }
    }

    fn update(&mut self, window_state: &mut WindowState) {
        self.pos = window_state.mouse_pos();
    }

    fn on_event(&mut self, window_state: &mut WindowState, event: Event) {
        match event {
            Event::MouseClick(MouseButton::Left, _) => {
                window_state.scramble_palette();
            }
            _ => {}
        }
    }

    fn draw(&self, target: &mut Image) {
        target.clear();
        target.draw_image(Vec2 { x: 200, y: 100 }, &self.img);
        target.draw_image(self.pos, &self.img);

        target.draw_line(
            Vec2 {
                x: WIDTH / 2,
                y: HEIGHT / 2,
            },
            self.pos,
            10,
        );
    }
}