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use crate::{split::split, Block, Frame, Pixel, View, P2};
pub fn draw_debug(frame: &mut Frame, view: View, block: &Block) {
match block {
Block::Lit(_) => rect(frame, view, Pixel::GREEN),
Block::Split(a, b) => {
let [av, bv] = split(view);
draw_debug(frame, av, &a);
draw_debug(frame, bv, &b);
}
Block::Ref(r) => {
let v = View {
a: view.a,
b: view.a + P2 { x: 2, y: 2 },
};
if r.pos_off != P2::ZERO {
fill_rect(frame, v + P2 { x: 0, y: 0 }, Pixel::BLUE)
}
if r.color_off != Pixel::BLACK {
fill_rect(frame, v + P2 { x: 2, y: 0 }, Pixel::RED)
}
}
}
}
fn rect(frame: &mut Frame, view: View, color: Pixel) {
for x in view.a.x..view.b.x {
frame[P2 { x, y: view.a.y }] = color;
frame[P2 { x, y: view.b.y - 1 }] = color;
}
for y in view.a.y..view.b.y {
frame[P2 { y, x: view.a.x }] = color;
frame[P2 { y, x: view.b.x - 1 }] = color;
}
}
fn fill_rect(frame: &mut Frame, view: View, color: Pixel) {
for y in view.a.y..view.b.y {
for x in view.a.x..view.b.x {
frame[P2 { x, y }] = color;
}
}
}
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