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add num_sheets arg to SnesTo8bppSheet

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scawful
2024-10-05 11:06:40 -04:00
parent 4ed40052a5
commit 9657c5c499
2 changed files with 10 additions and 3 deletions
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11
src/app/gfx/snes_tile.cc
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@@ -149,14 +149,15 @@ std::vector<uint8_t> Convert4bppTo3bpp(const std::vector<uint8_t>& tiles) {
return ConvertBpp(tiles, 4, 3);
}
std::vector<uint8_t> SnesTo8bppSheet(const std::vector<uint8_t>& sheet,
int bpp) {
std::vector<uint8_t> SnesTo8bppSheet(const std::vector<uint8_t>& sheet, int bpp,
int num_sheets) {
int xx = 0; // positions where we are at on the sheet
int yy = 0;
int pos = 0;
int ypos = 0;
int num_tiles = 64;
int buffer_size = 0x1000;
if (bpp == 2) {
bpp = 16;
num_tiles = 128;
@@ -169,6 +170,12 @@ std::vector<uint8_t> SnesTo8bppSheet(const std::vector<uint8_t>& sheet,
} else if (bpp == 8) {
bpp = 64;
}
if (num_sheets != 1) {
num_tiles *= num_sheets;
buffer_size *= num_sheets;
}
std::vector<uint8_t> sheet_buffer_out(buffer_size);
for (int i = 0; i < num_tiles; i++) { // for each tiles, 16 per line

2
src/app/gfx/snes_tile.h
View File

@@ -19,7 +19,7 @@ constexpr uint8_t kGraphicsBitmap[8] = {0x80, 0x40, 0x20, 0x10,
0x08, 0x04, 0x02, 0x01};
std::vector<uint8_t> SnesTo8bppSheet(const std::vector<uint8_t>& sheet,
int bpp);
int bpp, int num_sheets = 1);
std::vector<uint8_t> Bpp8SnesToIndexed(std::vector<uint8_t> data,
uint64_t bpp = 0);