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Minor optimisation for the show entire screen case

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This commit is contained in:
Gwilym Inzani 2023-08-31 07:53:01 +01:00
parent 4642a74a0f
commit d3c32ce351
1 changed files with 31 additions and 14 deletions
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39
agb/src/display/tiled/map.rs
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@ -195,14 +195,23 @@ impl RegularMap {
"Don't have a full screen's worth of tile data"
);
for y in 0..20u16 {
for x in 0..30u16 {
assert_eq!(
tile_data.tiles.format(),
self.colours(),
"Cannot set a {:?} colour tile on a {:?} colour background",
tile_data.tiles.format(),
self.colours()
);
for y in 0..20 {
for x in 0..30 {
let tile_id = y * 30 + x;
self.set_tile(
let tile_pos = y * 32 + x;
self.set_tile_at_pos(
vram,
(x, y).into(),
tile_pos,
&tile_data.tiles,
tile_data.tile_settings[tile_id as usize],
tile_data.tile_settings[tile_id],
);
}
}
@ -215,20 +224,28 @@ impl RegularMap {
tileset: &TileSet<'_>,
tile_setting: TileSetting,
) {
let colours = self.colours();
if tileset.format() != colours {
panic!(
assert_eq!(
tileset.format(),
self.colours(),
"Cannot set a {:?} colour tile on a {:?} colour background",
tileset.format(),
colours
self.colours()
);
}
let pos = self.map_size().gba_offset(pos);
self.set_tile_at_pos(vram, pos, tileset, tile_setting);
}
fn set_tile_at_pos(
&mut self,
vram: &mut VRamManager,
pos: usize,
tileset: &TileSet<'_>,
tile_setting: TileSetting,
) {
let old_tile = self.tiles_mut()[pos];
if old_tile != Tile::default() {
vram.remove_tile(old_tile.tile_index(colours));
vram.remove_tile(old_tile.tile_index(self.colours()));
}
let tile_index = tile_setting.index();