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|
use crate::color::Palette;
use crate::gfx;
use aseprite::{AsepriteFile, CelKind};
use glam::{IVec2, Vec2};
#[derive(Clone, Default)]
pub struct Sprite {
pixels: Vec<u8>,
pub size: IVec2,
}
impl Sprite {
pub fn new(width: i32, height: i32, pixels: Vec<u8>) -> Self {
Self {
pixels,
size: IVec2::new(width, height),
}
}
pub fn from_ase(file: &AsepriteFile, layer: &str) -> Self {
let index = file
.layers()
.iter()
.position(|l| l.name == layer)
.unwrap_or_else(|| panic!("no layer named {layer}"));
let cel = file.cel(file.layer_ref(index).unwrap(), 0).unwrap();
let (CelKind::Raw { pixels, .. } | CelKind::Compressed { pixels, .. }) = &cel.kind else {
panic!("layer {layer} has no pixel cel");
};
Self::new(
pixels.width as i32,
pixels.height as i32,
pixels.data.clone(),
)
}
pub fn frames_from_ase(file: &AsepriteFile, layer: &str) -> Vec<Self> {
let index = file
.layers()
.iter()
.position(|l| l.name == layer)
.unwrap_or_else(|| panic!("no layer named {layer}"));
let layer_ref = file.layer_ref(index).unwrap();
(0..file.frames().len())
.filter_map(|f| file.resolve_cel(layer_ref, f))
.filter_map(|cel| match &cel.kind {
CelKind::Raw { pixels, .. } | CelKind::Compressed { pixels, .. } => {
Some(Self::new(
pixels.width as i32,
pixels.height as i32,
pixels.data.clone(),
))
}
_ => None,
})
.collect()
}
pub fn draw_at(&self, frame: &mut [u32], palette: &Palette, pos: IVec2) {
gfx::blit(frame, palette, &self.pixels, pos, self.size.x, 0);
}
pub fn draw_tinted(&self, frame: &mut [u32], palette: &Palette, pos: IVec2, tint: u8) {
gfx::blit(frame, palette, &self.pixels, pos, self.size.x, tint);
}
pub fn draw_rotated(
&self,
frame: &mut [u32],
palette: &Palette,
center: Vec2,
angle: f32,
tint: u8,
) {
gfx::blit_rotated(
frame,
palette,
&self.pixels,
center,
self.size.x,
angle,
tint,
);
}
}
|
