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reuse dynamic sprite

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This commit is contained in:
Corwin 2023-06-25 13:38:13 +01:00
parent b99fff7c8e
commit 87ac2fe53c
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2 changed files with 21 additions and 5 deletions
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19
agb/src/display/object/font.rs
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@ -82,6 +82,12 @@ impl WorkingLetter {
x_offset: 0,
}
}
fn reset(&mut self) {
self.x_position = 0;
self.x_offset = 0;
self.dynamic.clear(0);
}
}
pub struct Configuration {
@ -177,15 +183,18 @@ impl WordRender<'_> {
}
fn finalise_letter(&mut self) {
let mut final_letter = WorkingLetter::new(self.config.sprite_size);
core::mem::swap(&mut final_letter, &mut self.working.letter);
let sprite = final_letter.dynamic.to_vram(self.config.palette.clone());
let sprite = self
.working
.letter
.dynamic
.to_vram(self.config.palette.clone());
self.working.meta.letters.push(LetterGroup {
sprite,
offset: self.working.word_offset,
});
self.working.word_offset += final_letter.x_position;
self.working.word_offset += self.working.letter.x_position;
self.working.letter.reset();
}
fn render_char(&mut self, c: char) {

7
agb/src/display/object/sprites/sprite_allocator.rs
View file

@ -345,6 +345,13 @@ impl<A: Allocator> DynamicSprite<A> {
self.data[byte_to_modify] = byte;
}
/// Wipes the sprite
pub fn clear(&mut self, paletted_pixel: usize) {
assert!(paletted_pixel < 0x10);
let reset = (paletted_pixel | paletted_pixel << 4) as u8;
self.data.fill(reset);
}
/// Tries to copy the sprite to vram to be used to set object sprites.
pub fn try_vram(&self, palette: PaletteVram) -> Result<SpriteVram, LoaderError> {
SpriteVram::new(&self.data, self.size, palette)