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Added BHAV parsing and displaying, and started using the transparent color field in SPR2 chunks to remove the magenta background in some sprites.

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This commit is contained in:
Fatbag 2012-06-15 20:45:11 -05:00
parent e51ce26db9
commit dd15e0d42a
7 changed files with 160 additions and 26 deletions
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16
Libraries/FileHandler/iff/spr.c
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@ -120,6 +120,7 @@ int iff_parse_spr(IFFChunk * ChunkInfo, const uint8_t * Buffer){
while(RowCount){
uint8_t PixelCommand, PixelCount;
uint8_t * IndexData;
if(RowCount < 2)
return 0;
@ -130,10 +131,11 @@ int iff_parse_spr(IFFChunk * ChunkInfo, const uint8_t * Buffer){
if(PixelCount > Sprite->Width - pixel)
return 0;
IndexData = Sprite->IndexData + (Sprite->Width*row + pixel)*2;
pixel += PixelCount;
if(PixelCommand == 1){
/* Leave next n pixels as transparent */
pixel += PixelCount;
}else if(PixelCommand == 2){
/* Set next n pixels to shared palette index */
@ -146,9 +148,8 @@ int iff_parse_spr(IFFChunk * ChunkInfo, const uint8_t * Buffer){
RowCount -= 2;
while(PixelCount--){
Sprite->IndexData[(Sprite->Width*row + pixel)*2 + 0] = PaletteIndex;
Sprite->IndexData[(Sprite->Width*row + pixel)*2 + 1] = 0xFF;
pixel++;
*IndexData++ = PaletteIndex;
*IndexData++ = 0xFF;
}
}else if(PixelCommand == 3){
/* Set next n pixels to n palette indices */
@ -159,9 +160,8 @@ int iff_parse_spr(IFFChunk * ChunkInfo, const uint8_t * Buffer){
RowCount -= PixelCount + padding;
while(PixelCount--){
Sprite->IndexData[(Sprite->Width*row + pixel)*2 + 0] = *(b.Buffer++);
Sprite->IndexData[(Sprite->Width*row + pixel)*2 + 1] = 0xFF;
pixel++;
*IndexData++ = *(b.Buffer++);
*IndexData++ = 0xFF;
}
if(padding) b.Buffer++; /* Padding byte */
}else return 0;