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keep and drain affine matricies

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Corwin 2023-04-03 22:11:37 +01:00
parent 63088f2907
commit 354cf7addc
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1 changed files with 13 additions and 0 deletions
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13
agb/src/display/object/unmanaged/object.rs
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@ -16,12 +16,14 @@ use super::attributes::{AffineMode, Attributes};
struct OamFrameModifyables {
up_to: i32,
this_frame_sprites: Vec<SpriteVram>,
this_frame_affine: Vec<AffineMatrixVram>,
}
pub struct UnmanagedOAM<'gba> {
phantom: PhantomData<&'gba ()>,
frame_data: UnsafeCell<OamFrameModifyables>,
previous_frame_sprites: Vec<SpriteVram>,
previous_frame_affine: Vec<AffineMatrixVram>,
}
pub struct OAMIterator<'oam> {
@ -42,6 +44,9 @@ impl OAMSlot<'_> {
let frame_data = unsafe { &mut *self.frame_data.get() };
frame_data.this_frame_sprites.push(object.sprite.clone());
if let Some(affine) = &object.affine_matrix {
frame_data.this_frame_affine.push(affine.clone());
}
frame_data.up_to = self.slot as i32;
}
@ -100,6 +105,13 @@ impl UnmanagedOAM<'_> {
&mut self.previous_frame_sprites,
);
// Drain previous frame affine matricies
self.previous_frame_affine.drain(..);
core::mem::swap(
&mut frame_data.this_frame_affine,
&mut self.previous_frame_affine,
);
OAMIterator {
index: 0,
frame_data: &self.frame_data,
@ -111,6 +123,7 @@ impl UnmanagedOAM<'_> {
frame_data: Default::default(),
phantom: PhantomData,
previous_frame_sprites: Default::default(),
previous_frame_affine: Default::default(),
}
}
}