drinkingtea/nostalgia
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[nostalgia/core] Fix TileSheet validation/repair to ensure pixels gets cleared if there are subsheets
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This commit is contained in:
Gary Talent 2025-01-12 16:06:24 -06:00
parent db953dd0d1
commit 465fb06f76
1 changed files with 14 additions and 6 deletions
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20
src/nostalgia/modules/core/include/nostalgia/core/tilesheet.hpp
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@ -233,10 +233,12 @@ struct TileSheetV4 {
[[nodiscard]]
constexpr bool valid(TileSheetV4::SubSheet const&ss, int bpp) noexcept {
auto const bytes = static_cast<size_t>(ss.columns * ss.rows * PixelsPerTile) / (bpp == 4 ? 2 : 1);
return ox::all_of(ss.subsheets.begin(), ss.subsheets.end(),
[bpp, bytes](TileSheetV4::SubSheet const&s) {
return bytes == s.pixels.size() && valid(s, bpp);
});
return
(ss.pixels.empty() || ss.subsheets.empty()) &&
ox::all_of(ss.subsheets.begin(), ss.subsheets.end(),
[bpp, bytes](TileSheetV4::SubSheet const&s) {
return bytes == s.pixels.size() && valid(s, bpp);
});
}
[[nodiscard]]
@ -245,8 +247,14 @@ constexpr bool valid(TileSheetV4 const&ts) noexcept {
}
constexpr void repair(TileSheetV4::SubSheet &ss, int bpp) noexcept {
auto const bytes = static_cast<size_t>(ss.columns * ss.rows * PixelsPerTile) / (bpp == 4 ? 2 : 1);
ss.pixels.resize(bytes);
if (ss.subsheets.empty()) {
auto const bytes = static_cast<size_t>(ss.columns * ss.rows * PixelsPerTile) / (bpp == 4 ? 2 : 1);
ss.pixels.resize(bytes);
} else {
ss.pixels.clear();
ss.columns = -1;
ss.rows = -1;
}
for (auto &s : ss.subsheets) {
repair(s, bpp);
}