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Correctly render different sized backgrounds and make HTTW have

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pointlessly different sized backgrounds to test it properly
This commit is contained in:
Gwilym Kuiper 2022-05-03 23:42:11 +01:00
parent 5211781429
commit 2853d34b30
4 changed files with 21 additions and 9 deletions
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12
agb/src/display/tiled/infinite_scrolled_map.rs
View file

@ -63,8 +63,8 @@ impl<'a> InfiniteScrolledMap<'a> {
let offset = self.current_pos - (x_start * 8, y_start * 8).into();
let offset_scroll = (
self.map.size().rem_euclid_width(offset.x),
self.map.size().rem_euclid_height(offset.y),
self.map.size().tile_pos_x(offset.x),
self.map.size().tile_pos_y(offset.y),
)
.into();
@ -179,8 +179,8 @@ impl<'a> InfiniteScrolledMap<'a> {
self.map.set_tile(
vram,
(
size.rem_euclid_width(tile_x - self.offset.x),
size.rem_euclid_height(tile_y - self.offset.y),
size.tile_pos_x(tile_x - self.offset.x),
size.tile_pos_y(tile_y - self.offset.y),
)
.into(),
tileset,
@ -190,8 +190,8 @@ impl<'a> InfiniteScrolledMap<'a> {
let current_scroll = self.map.scroll_pos();
let new_scroll = (
size.rem_euclid_width_px(current_scroll.x as i32 + difference.x),
size.rem_euclid_height_px(current_scroll.y as i32 + difference.y),
size.px_offset_x(current_scroll.x as i32 + difference.x),
size.px_offset_y(current_scroll.y as i32 + difference.y),
)
.into();

2
agb/src/display/tiled/map.rs
View file

@ -56,7 +56,7 @@ impl RegularMap {
tileset: &TileSet<'_>,
tile_setting: TileSetting,
) {
let pos = (pos.x + pos.y * self.size.width() as u16) as usize;
let pos = self.size.gba_offset(pos);
let old_tile = self.tiles[pos];
if old_tile != Tile::default() {

12
agb/src/display/tiled/mod.rs
View file

@ -3,6 +3,7 @@ mod map;
mod tiled0;
mod vram_manager;
use agb_fixnum::Vector2D;
pub use infinite_scrolled_map::{InfiniteScrolledMap, PartialUpdateStatus};
pub use map::{MapLoan, RegularMap};
pub use tiled0::Tiled0;
@ -52,6 +53,17 @@ impl RegularBackgroundSize {
self.num_tiles() / (32 * 32)
}
pub(crate) fn gba_offset(&self, pos: Vector2D<u16>) -> usize {
let x_mod = pos.x & (self.width() as u16 - 1);
let y_mod = pos.y & (self.height() as u16 - 1);
let screenblock = (x_mod / 32) + (y_mod / 32) * (self.width() as u16 / 32);
let pos = screenblock * 32 * 32 + (x_mod % 32 + 32 * (y_mod % 32));
pos as usize
}
pub(crate) fn tile_pos_x(&self, x: i32) -> u16 {
((x as u32) & (self.width() - 1)) as u16
}

4
examples/the-hat-chooses-the-wizard/src/main.rs
View file

@ -846,7 +846,7 @@ fn main(mut agb: agb::Gba) -> ! {
let map_current_level = current_level;
let mut background = InfiniteScrolledMap::new(
tiled.background(Priority::P2, RegularBackgroundSize::Background64x64),
tiled.background(Priority::P2, RegularBackgroundSize::Background32x64),
Box::new(|pos: Vector2D<i32>| {
let level = &map_tiles::LEVELS[map_current_level as usize];
(
@ -861,7 +861,7 @@ fn main(mut agb: agb::Gba) -> ! {
}),
);
let mut foreground = InfiniteScrolledMap::new(
tiled.background(Priority::P0, RegularBackgroundSize::Background64x64),
tiled.background(Priority::P0, RegularBackgroundSize::Background64x32),
Box::new(|pos: Vector2D<i32>| {
let level = &map_tiles::LEVELS[map_current_level as usize];
(