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Handle moving up to 10 tiles at once

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This commit is contained in:
Gwilym Kuiper 2022-02-07 21:40:56 +00:00
parent 610be70b92
commit 3a795fea8f
1 changed files with 6 additions and 3 deletions
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9
agb/src/display/background.rs
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@ -497,7 +497,7 @@ impl<'a> InfiniteScrolledMap<'a> {
let difference = new_pos - old_pos;
if difference.x.abs() > 8 || difference.y.abs() > 8 {
if difference.x.abs() > 10 * 8 || difference.y.abs() > 10 * 8 {
self.init(vram, new_pos);
return;
}
@ -507,6 +507,9 @@ impl<'a> InfiniteScrolledMap<'a> {
let new_tile_x = div_floor(new_pos.x, 8);
let new_tile_y = div_floor(new_pos.y, 8);
let difference_tile_x = div_ceil(difference.x, 8);
let difference_tile_y = div_ceil(difference.y, 8);
let vertical_rect_to_update: Rect<i32> = if div_floor(old_pos.x, 8) != new_tile_x {
// need to update the x line
// calculate which direction we need to update
@ -525,7 +528,7 @@ impl<'a> InfiniteScrolledMap<'a> {
Rect::new(
(line_to_update, new_tile_y).into(),
(1, y_tiles_to_update).into(),
(difference_tile_x, y_tiles_to_update).into(),
)
} else {
Rect::new((0i32, 0).into(), (0i32, 0).into())
@ -549,7 +552,7 @@ impl<'a> InfiniteScrolledMap<'a> {
Rect::new(
(new_tile_x, line_to_update).into(),
(x_tiles_to_update, 1).into(),
(x_tiles_to_update, difference_tile_y).into(),
)
} else {
Rect::new((0i32, 0).into(), (0i32, 0).into())