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tinsel: fix graphic corruption caused by wrong clipping of 8-bit images in Discworld PSX

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svn-id: r40864
This commit is contained in:
Fabio Battaglia 2009-05-24 14:37:53 +00:00
parent 84a2651e63
commit 6651cdc97c
1 changed files with 3 additions and 3 deletions
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6
engines/tinsel/graphics.cpp
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@ -278,7 +278,7 @@ static void PsxDrawTiles(DRAWOBJECT *pObj, uint8 *srcP, uint8 *destP, bool apply
srcP += sizeof(uint16);
// Draw a 4x4 block based on the opcode as in index into the block list
// In case we have a 4-bit CLUT image, blocks are 2x4, then expanded into 4x4
// In case we have a 4-bit CLUT image, blocks are 2x4 bytes, then expanded into 4x4
const uint8 *p;
if (fourBitClut)
p = (uint8 *)pObj->charBase + psxSkipBytes + (indexVal << 3);
@ -292,8 +292,8 @@ static void PsxDrawTiles(DRAWOBJECT *pObj, uint8 *srcP, uint8 *destP, bool apply
Common::copy(p + boxBounds.left, p + boxBounds.right + 1, tempDest + (SCREEN_WIDTH * (yp - boxBounds.top)));
else
for (int xp = boxBounds.left; xp <= boxBounds.right; ++xp) {
if (*(p + (xp - boxBounds.left)))
*(tempDest + SCREEN_WIDTH * (yp - boxBounds.top) + (xp - boxBounds.left)) = *(p + (xp - boxBounds.left));
if (*(p + xp))
*(tempDest + SCREEN_WIDTH * (yp - boxBounds.top) + (xp - boxBounds.left)) = *(p + xp);
}
} else {
for (int xp = boxBounds.left; xp <= boxBounds.right; ++xp) {