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wip: bsp custom rendering

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🪞👃🪞 2024-12-16 20:06:44 +01:00
parent d5dd746b35
commit 41f17bb0e7
1 changed files with 42 additions and 10 deletions
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52
crates/tek/src/layout/bsp.rs
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@ -17,16 +17,6 @@ pub enum Bsp<E: Engine, X: Render<E>, Y: Render<E>> {
Null(PhantomData<E>),
}
render!(|self:Bsp<E: Engine, X: Render<E>, Y: Render<E>>|render(|to|{Ok(match self {
Bsp::Null(_) => (),
Bsp::N(a, b) => (),
Bsp::S(a, b) => (),
Bsp::E(a, b) => (),
Bsp::W(a, b) => (),
Bsp::A(a, b) => (),
Bsp::B(a, b) => (),
})}));
impl<E: Engine, X: Render<E>, Y: Render<E>> Bsp<E, X, Y> {
pub fn new (x: X) -> Self { Self::A(Some(x), None) }
pub fn n (x: X, y: Y) -> Self { Self::N(Some(x), Some(y)) }
@ -42,3 +32,45 @@ impl<E: Engine, X: Render<E>, Y: Render<E>> Default for Bsp<E, X, Y> {
Self::Null(Default::default())
}
}
impl<E: Engine, X: Render<E>, Y: Render<E>> Render<E> for Bsp<E, X, Y> {
fn min_size (&self, to: E::Size) -> Perhaps<E::Size> {
Ok(Some(match self {
Self::Null(_) => [0.into(), 0.into()].into(),
Self::S(a, b) => {
let a = a.min_size(to)?.unwrap_or([0.into(), 0.into()].into());
let b = b.min_size(to)?.unwrap_or([0.into(), 0.into()].into());
[a.w().max(b.w()), a.h() + b.h()].into()
},
Self::W(a, b) => {
let a = a.min_size(to)?.unwrap_or([0.into(), 0.into()].into());
let b = b.min_size(to)?.unwrap_or([0.into(), 0.into()].into());
[a.w() + b.w(), a.h().max(b.h())].into()
},
_ => todo!()
}))
}
fn render (&self, to: &mut E::Output) -> Usually<()> {
Ok(match self {
Self::Null(_) => {},
Self::S(a, b) => {
let n = [0.into(), 0.into()].into();
let s = to.area().wh().into();
let s_a = a.min_size(s)?.unwrap_or(n);
let s_b = b.min_size(s)?.unwrap_or(n);
to.render_in(to.area().clip(s_a).into(), a)?;
to.render_in(to.area().push_y(s_a.h().into()).into(), b)?;
},
Self::W(a, b) => {
let n = [0.into(), 0.into()].into();
let s = to.area().wh().into();
let s_a = a.min_size(s)?.unwrap_or(n);
let s_b = b.min_size(s)?.unwrap_or(n);
let s_x = (to.area().w() - s_a.w()).into();
to.render_in(to.area().push_x(s_x).into(), a)?;
to.render_in(to.area().shrink_x(s_x).into(), b)?;
},
_ => todo!()
})
}
}