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SCI: Fix SCI1.1+ Mac views with uint16 rle lengths (thanks, Walter)

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svn-id: r55705
This commit is contained in:
Matthew Hoops 2011-02-01 03:50:29 +00:00
parent ac4bf4ffb8
commit 1ac0680a77
1 changed files with 15 additions and 3 deletions
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18
engines/sci/graphics/view.cpp
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@ -449,12 +449,24 @@ void GfxView::unpackCel(int16 loopNo, int16 celNo, byte *outPtr, uint32 pixelCou
literalPtr = _resourceData + celInfo->offsetLiteral;
if (celInfo->offsetRLE) {
if (g_sci->getPlatform() == Common::kPlatformMacintosh && getSciVersion() >= SCI_VERSION_1_1) {
// KQ6 uses byte lengths, all others use uint16
// The SCI devs must have quickly realized that a max of 255 pixels wide
// was not very good for 320 or 640 width games.
bool hasByteLengths = (g_sci->getGameId() == GID_KQ6);
// compression for SCI1.1+ Mac
while (pixelNo < pixelCount) {
uint32 pixelLine = pixelNo;
runLength = *rlePtr++;
pixelNo += runLength;
runLength = *rlePtr++;
if (hasByteLengths) {
pixelNo += *rlePtr++;
runLength = *rlePtr++;
} else {
pixelNo += READ_BE_UINT16(rlePtr);
runLength = READ_BE_UINT16(rlePtr + 2);
rlePtr += 4;
}
while (runLength-- && pixelNo < pixelCount) {
outPtr[pixelNo] = *literalPtr++;
if (outPtr[pixelNo] == 255)