drinkingtea/ox
2
0
Fork 0
Code Issues Pull Requests Actions Releases Wiki Activity

[nostalgia] Add external palettes to tilesheet system

Browse Source
This commit is contained in:
Gary Talent
2019-10-22 19:23:14 -05:00
parent fbdb48a1ee
commit 92103bfc41
31 changed files with 802 additions and 105 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/nostalgia/core/gba/gfx.cpp
+4 -4
View File
@@ -204,7 +204,7 @@ ox::Error initConsole(Context*) {
return err;
}
ox::Error loadTileSheet(Context*, InodeId_t inode) {
ox::Error loadTileSheet(Context*, ox::FileAddress inode) {
ox::Error err(0);
const auto PaletteStart = sizeof(GbaImageDataHeader);
GbaImageDataHeader imgData;
@@ -217,15 +217,15 @@ ox::Error loadTileSheet(Context*, InodeId_t inode) {
// load palette
err |= fs.read(inode, PaletteStart,
512, (uint16_t*) &MEM_PALLETE_BG[0], nullptr);
512, (uint16_t*) &MEM_PALLETE_BG[0], nullptr);
if (imgData.bpp == 4) {
err |= fs.read(inode, __builtin_offsetof(GbaImageData, tiles),
sizeof(Tile) * imgData.tileCount, (uint16_t*) &TILE_ADDR[0][1], nullptr);
sizeof(Tile) * imgData.tileCount, (uint16_t*) &TILE_ADDR[0][1], nullptr);
} else if (imgData.bpp == 8) {
REG_BG0CNT |= (1 << 7); // set to use 8 bits per pixel
err |= fs.read(inode, __builtin_offsetof(GbaImageData, tiles),
sizeof(Tile8) * imgData.tileCount, (uint16_t*) &TILE8_ADDR[0][1], nullptr);
sizeof(Tile8) * imgData.tileCount, (uint16_t*) &TILE8_ADDR[0][1], nullptr);
} else {
err = OxError(1);
}