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Refactor tile structures and functions to use snes_tile8; introduce GraphicsBuffer class for better data management

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scawful
2024-11-13 08:52:12 -05:00
parent 2fd1b1fe94
commit d13407c8e2
3 changed files with 100 additions and 22 deletions
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10
src/app/gfx/snes_tile.cc
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@@ -23,9 +23,9 @@ constexpr ushort TileVFlipBit = 0x8000;
// Bits used for tile name
constexpr ushort TileNameMask = 0x03FF;
tile8 UnpackBppTile(const std::vector<uint8_t>& data, const uint32_t offset,
snes_tile8 UnpackBppTile(const std::vector<uint8_t>& data, const uint32_t offset,
const uint32_t bpp) {
tile8 tile;
snes_tile8 tile;
assert(bpp >= 1 && bpp <= 8);
unsigned int bpp_pos[8]; // More for conveniance and readibility
for (int col = 0; col < 8; col++) {
@@ -80,7 +80,7 @@ tile8 UnpackBppTile(const std::vector<uint8_t>& data, const uint32_t offset,
return tile;
}
std::vector<uint8_t> PackBppTile(const tile8& tile, const uint32_t bpp) {
std::vector<uint8_t> PackBppTile(const snes_tile8& tile, const uint32_t bpp) {
// Allocate memory for output data
std::vector<uint8_t> output(bpp * 8, 0); // initialized with 0
unsigned maxcolor = 2 << bpp;
@@ -133,7 +133,7 @@ std::vector<uint8_t> ConvertBpp(const std::vector<uint8_t>& tiles,
std::vector<uint8_t> converted(nb_tile * to_bpp * 8);
for (unsigned int i = 0; i < nb_tile; i++) {
tile8 tile = UnpackBppTile(tiles, i * from_bpp * 8, from_bpp);
snes_tile8 tile = UnpackBppTile(tiles, i * from_bpp * 8, from_bpp);
std::vector<uint8_t> packed_tile = PackBppTile(tile, to_bpp);
std::memcpy(converted.data() + i * to_bpp * 8, packed_tile.data(),
to_bpp * 8);
@@ -401,4 +401,4 @@ void CopyTile8bpp16(int x, int y, int tile, std::vector<uint8_t>& bitmap,
} // namespace gfx
} // namespace app
} // namespace yaze
} // namespace yaze