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Ignore -b and -N when reversing without tilemap

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These offsets should only be applied to a tile ID read as input... but this ain't one!
This commit is contained in:
ISSOtm
2022-05-07 16:42:58 +02:00
committed by Eldred Habert
parent 159efe1257
commit c4359c1058
1 changed files with 6 additions and 4 deletions
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10
src/gfx/reverse.cpp
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@@ -236,13 +236,15 @@ void reverse() {
for (size_t ty = 0; ty < height; ++ty) {
for (size_t tx = 0; tx < width; ++tx) {
size_t index = options.columnMajor ? ty + tx * width : ty * width + tx;
// Get the tile ID at this location
uint8_t gbcTileID = tilemap.has_value() ? (*tilemap)[index] : index;
// By default, a tile is unflipped, in bank 0, and uses palette #0
uint8_t attribute = attrmap.has_value() ? (*attrmap)[index] : 0x00;
bool bank = attribute & 0x08;
gbcTileID -= options.baseTileIDs[bank];
size_t tileID = gbcTileID + bank * options.maxNbTiles[0];
// Get the tile ID at this location
uint8_t tileID = index;
if (tilemap.has_value()) {
tileID =
(*tilemap)[index] - options.baseTileIDs[bank] + bank * options.maxNbTiles[0];
}
assert(tileID < nbTileInstances); // Should have been checked earlier
// We do not have data for tiles trimmed with `-x`, so assume they are "blank"