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Implement "palette map" output

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This commit is contained in:
ISSOtm
2022-05-20 09:30:35 +02:00
committed by Eldred Habert
parent 531092f5bd
commit 05e36767b0
5 changed files with 104 additions and 48 deletions
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15
src/gfx/reverse.cpp
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@@ -178,9 +178,17 @@ void reverse() {
// We do this now for two reasons:
// 1. Checking those during the main loop is harmful to optimization, and
// 2. It clutters the code more, and it's not in great shape to begin with
// TODO
}
// TODO: palette map (overrides attributes)
std::optional<DefaultInitVec<uint8_t>> palmap;
if (!options.palmap.empty()) {
palmap = readInto(options.palmap);
if (palmap->size() != nbTileInstances) {
fatal("Palette map size (%zu tiles) doesn't match image's (%zu)", palmap->size(),
nbTileInstances);
}
}
options.verbosePrint(Options::VERB_LOG_ACT, "Writing image...\n");
std::filebuf pngFile;
@@ -246,6 +254,8 @@ void reverse() {
(*tilemap)[index] - options.baseTileIDs[bank] + bank * options.maxNbTiles[0];
}
assert(tileID < nbTileInstances); // Should have been checked earlier
size_t palID = palmap ? (*palmap)[index] : attribute & 0b111;
assert(palID < palettes.size()); // Should be ensured on data read
// We do not have data for tiles trimmed with `-x`, so assume they are "blank"
static std::array<uint8_t, 16> const trimmedTile{
@@ -255,8 +265,7 @@ void reverse() {
uint8_t const *tileData = tileID > nbTileInstances - options.trim
? trimmedTile.data()
: &tiles[tileID * tileSize];
assert((attribute & 0b111) < palettes.size()); // Should be ensured on data read
auto const &palette = palettes[attribute & 0b111];
auto const &palette = palettes[palID];
for (uint8_t y = 0; y < 8; ++y) {
// If vertically mirrored, fetch the bytes from the other end
uint8_t realY = attribute & 0x40 ? 7 - y : y;