diff options
| -rw-r--r-- | engines/parallaction/disk.cpp | 42 |
1 files changed, 24 insertions, 18 deletions
diff --git a/engines/parallaction/disk.cpp b/engines/parallaction/disk.cpp index 03d33dae37..99b1d32f40 100644 --- a/engines/parallaction/disk.cpp +++ b/engines/parallaction/disk.cpp @@ -699,26 +699,32 @@ void AmigaDisk::unpackBitmap(byte *dst, byte *src, uint16 numFrames, uint16 plan byte s0, s1, s2, s3, s4, mask, t0, t1, t2, t3, t4; for (uint32 i = 0; i < numFrames; i++) { - for (uint32 j = 0; j < planeSize; j++) { - s0 = src[j]; - s1 = src[j+planeSize]; - s2 = src[j+planeSize*2]; - s3 = src[j+planeSize*3]; - s4 = src[j+planeSize*4]; - - for (uint32 k = 0; k < 8; k++) { - mask = 1 << (7 - k); - t0 = (s0 & mask ? 1 << 0 : 0); - t1 = (s1 & mask ? 1 << 1 : 0); - t2 = (s2 & mask ? 1 << 2 : 0); - t3 = (s3 & mask ? 1 << 3 : 0); - t4 = (s4 & mask ? 1 << 4 : 0); - *dst++ = t0 | t1 | t2 | t3 | t4; - } + if (READ_BE_UINT32(src) == MKID_BE('DLTA')) { + // TODO: Add support for delta encoding + uint32 size = READ_BE_UINT32(src + 4); - } + src += size + 8; + } else { + for (uint32 j = 0; j < planeSize; j++) { + s0 = src[j]; + s1 = src[j+planeSize]; + s2 = src[j+planeSize*2]; + s3 = src[j+planeSize*3]; + s4 = src[j+planeSize*4]; + + for (uint32 k = 0; k < 8; k++) { + mask = 1 << (7 - k); + t0 = (s0 & mask ? 1 << 0 : 0); + t1 = (s1 & mask ? 1 << 1 : 0); + t2 = (s2 & mask ? 1 << 2 : 0); + t3 = (s3 & mask ? 1 << 3 : 0); + t4 = (s4 & mask ? 1 << 4 : 0); + *dst++ = t0 | t1 | t2 | t3 | t4; + } - src += planeSize * NUM_PLANES; + } + src += planeSize * NUM_PLANES; + } } } |