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worked on adding tile16 for overworld support

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This commit is contained in:
Justin Scofield
2022-06-20 19:21:41 -04:00
parent f11e8f2aac
commit 367fe3552f
10 changed files with 276 additions and 232 deletions
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184
src/app/gfx/bitmap.cc
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@@ -23,176 +23,26 @@ Bitmap::Bitmap(int width, int height, int depth, char *data)
surface_->pixels = data;
}
SDL_Texture *Bitmap::CreateTexture(std::shared_ptr<SDL_Renderer> renderer) {
void Bitmap::Create(int width, int height, int depth, uchar *data) {
width_ = width;
height_ = height;
depth_ = depth;
pixel_data_ = (char *)data;
surface_ = SDL_CreateRGBSurfaceWithFormat(0, width, height, depth,
SDL_PIXELFORMAT_INDEX8);
// Default grayscale palette
for (int i = 0; i < 8; i++) {
surface_->format->palette->colors[i].r = i * 31;
surface_->format->palette->colors[i].g = i * 31;
surface_->format->palette->colors[i].b = i * 31;
}
surface_->pixels = pixel_data_;
}
void Bitmap::CreateTexture(std::shared_ptr<SDL_Renderer> renderer) {
texture_ = SDL_CreateTextureFromSurface(renderer.get(), surface_);
}
int GetPCGfxAddress(char *romData, char id) {
char **info1 = new char *[255];
int gfxPointer1 =
lorom_snes_to_pc((romData[core::constants::gfx_1_pointer + 1] << 8) +
(romData[core::constants::gfx_1_pointer]),
info1);
int gfxPointer2 =
lorom_snes_to_pc((romData[core::constants::gfx_2_pointer + 1] << 8) +
(romData[core::constants::gfx_2_pointer]),
info1);
int gfxPointer3 =
lorom_snes_to_pc((romData[core::constants::gfx_3_pointer + 1] << 8) +
(romData[core::constants::gfx_3_pointer]),
info1);
char gfxGamePointer1 = romData[gfxPointer1 + id];
char gfxGamePointer2 = romData[gfxPointer2 + id];
char gfxGamePointer3 = romData[gfxPointer3 + id];
return lorom_snes_to_pc(
yaze::app::rom::AddressFromBytes(gfxGamePointer1, gfxGamePointer2,
gfxGamePointer3),
info1);
}
char *CreateAllGfxDataRaw(char *romData) {
// 0-112 -> compressed 3bpp bgr -> (decompressed each) 0x600 chars
// 113-114 -> compressed 2bpp -> (decompressed each) 0x800 chars
// 115-126 -> uncompressed 3bpp sprites -> (each) 0x600 chars
// 127-217 -> compressed 3bpp sprites -> (decompressed each) 0x600 chars
// 218-222 -> compressed 2bpp -> (decompressed each) 0x800 chars
char *buffer = new char[346624];
int bufferPos = 0;
char *data = new char[2048];
unsigned int uncompressedSize = 0;
unsigned int compressedSize = 0;
for (int i = 0; i < core::constants::NumberOfSheets; i++) {
isbpp3[i] = ((i >= 0 && i <= 112) || // Compressed 3bpp bg
(i >= 115 && i <= 126) || // Uncompressed 3bpp sprites
(i >= 127 && i <= 217) // Compressed 3bpp sprites
);
// uncompressed sheets
if (i >= 115 && i <= 126) {
data = new char[core::constants::Uncompressed3BPPSize];
int startAddress = GetPCGfxAddress(romData, (char)i);
for (int j = 0; j < core::constants::Uncompressed3BPPSize; j++) {
data[j] = romData[j + startAddress];
}
} else {
data = alttp_decompress_gfx((char *)romData,
GetPCGfxAddress(romData, (char)i),
core::constants::UncompressedSheetSize,
&uncompressedSize, &compressedSize);
}
for (int j = 0; j < sizeof(data); j++) {
buffer[j + bufferPos] = data[j];
}
bufferPos += sizeof(data);
}
return buffer;
}
void CreateAllGfxData(char *romData, char *allgfx16Ptr) {
char *data = CreateAllGfxDataRaw(romData);
char *newData = new char[0x6F800];
uchar *mask = new uchar[]{0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01};
int sheetPosition = 0;
// 8x8 tile
for (int s = 0; s < core::constants::NumberOfSheets; s++) // Per Sheet
{
for (int j = 0; j < 4; j++) // Per Tile Line Y
{
for (int i = 0; i < 16; i++) // Per Tile Line X
{
for (int y = 0; y < 8; y++) // Per Pixel Line
{
if (isbpp3[s]) {
char lineBits0 =
data[(y * 2) + (i * 24) + (j * 384) + sheetPosition];
char lineBits1 =
data[(y * 2) + (i * 24) + (j * 384) + 1 + sheetPosition];
char lineBits2 =
data[(y) + (i * 24) + (j * 384) + 16 + sheetPosition];
for (int x = 0; x < 4; x++) // Per Pixel X
{
char pixdata = 0;
char pixdata2 = 0;
if ((lineBits0 & mask[(x * 2)]) == mask[(x * 2)]) {
pixdata += 1;
}
if ((lineBits1 & mask[(x * 2)]) == mask[(x * 2)]) {
pixdata += 2;
}
if ((lineBits2 & mask[(x * 2)]) == mask[(x * 2)]) {
pixdata += 4;
}
if ((lineBits0 & mask[(x * 2) + 1]) == mask[(x * 2) + 1]) {
pixdata2 += 1;
}
if ((lineBits1 & mask[(x * 2) + 1]) == mask[(x * 2) + 1]) {
pixdata2 += 2;
}
if ((lineBits2 & mask[(x * 2) + 1]) == mask[(x * 2) + 1]) {
pixdata2 += 4;
}
newData[(y * 64) + (x) + (i * 4) + (j * 512) + (s * 2048)] =
(char)((pixdata << 4) | pixdata2);
}
} else {
char lineBits0 =
data[(y * 2) + (i * 16) + (j * 256) + sheetPosition];
char lineBits1 =
data[(y * 2) + (i * 16) + (j * 256) + 1 + sheetPosition];
for (int x = 0; x < 4; x++) // Per Pixel X
{
char pixdata = 0;
char pixdata2 = 0;
if ((lineBits0 & mask[(x * 2)]) == mask[(x * 2)]) {
pixdata += 1;
}
if ((lineBits1 & mask[(x * 2)]) == mask[(x * 2)]) {
pixdata += 2;
}
if ((lineBits0 & mask[(x * 2) + 1]) == mask[(x * 2) + 1]) {
pixdata2 += 1;
}
if ((lineBits1 & mask[(x * 2) + 1]) == mask[(x * 2) + 1]) {
pixdata2 += 2;
}
newData[(y * 64) + (x) + (i * 4) + (j * 512) + (s * 2048)] =
(char)((pixdata << 4) | pixdata2);
}
}
}
}
}
if (isbpp3[s]) {
sheetPosition += core::constants::Uncompressed3BPPSize;
} else {
sheetPosition += core::constants::UncompressedSheetSize;
}
}
char *allgfx16Data = (char *)allgfx16Ptr;
for (int i = 0; i < 0x6F800; i++) {
allgfx16Data[i] = newData[i];
}
}
} // namespace gfx
} // namespace app
} // namespace yaze