static bool sprite_file_export(int spriteIndex, const char *outPath)
{
rct_g1_element *spriteHeader;
rct_drawpixelinfo dpi;
uint8 *pixels;
int pixelBufferSize;
spriteHeader = &spriteFileEntries[spriteIndex];
pixelBufferSize = spriteHeader->width * spriteHeader->height;
pixels = malloc(pixelBufferSize);
memset(pixels, 0, pixelBufferSize);
dpi.bits = pixels;
dpi.x = 0;
dpi.y = 0;
dpi.width = spriteHeader->width;
dpi.height = spriteHeader->height;
dpi.pitch = 0;
dpi.zoom_level = 0;
memcpy(spriteFilePalette, _standardPalette, 256 * 4);
gfx_rle_sprite_to_buffer(spriteHeader->offset, pixels, (uint8*)spriteFilePalette, &dpi, IMAGE_TYPE_DEFAULT, 0, spriteHeader->height, 0, spriteHeader->width);
if (image_io_png_write(&dpi, (rct_palette*)spriteFilePalette, outPath)) {
return true;
} else {
fprintf(stderr, "Error writing PNG");
return false;
}
}
bool sprite_file_export(int spriteIndex, const char *outPath)
{
rct_g1_element *spriteHeader;
rct_drawpixelinfo dpi;
uint8 *pixels;
int pixelBufferSize;
spriteHeader = &spriteFileEntries[spriteIndex];
pixelBufferSize = spriteHeader->width * spriteHeader->height;
pixels = malloc(pixelBufferSize);
memset(pixels, 0, pixelBufferSize);
dpi.bits = pixels;
dpi.x = 0;
dpi.y = 0;
dpi.width = spriteHeader->width;
dpi.height = spriteHeader->height;
dpi.pitch = 0;
dpi.zoom_level = 0;
memcpy(spriteFilePalette, _standardPalette, 256 * 4);
gfx_rle_sprite_to_buffer(spriteHeader->offset, pixels, (uint8*)spriteFilePalette, &dpi, IMAGE_TYPE_NO_BACKGROUND, 0, spriteHeader->height, 0, spriteHeader->width);
LodePNGState pngState;
unsigned int pngError;
unsigned char* pngData;
size_t pngSize;
lodepng_state_init(&pngState);
pngState.info_raw.colortype = LCT_PALETTE;
lodepng_palette_add(&pngState.info_raw, 0, 0, 0, 0);
for (int i = 1; i < 256; i++) {
lodepng_palette_add(
&pngState.info_raw,
spriteFilePalette[i].r,
spriteFilePalette[i].g,
spriteFilePalette[i].b,
255
);
}
pngError = lodepng_encode(&pngData, &pngSize, pixels, spriteHeader->width, spriteHeader->height, &pngState);
if (pngError != 0) {
free(pngData);
fprintf(stderr, "Error creating PNG data, %u: %s", pngError, lodepng_error_text(pngError));
return false;
} else {
lodepng_save_file(pngData, pngSize, outPath);
free(pngData);
return true;
}
}