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tinsel: begin modifying drawing function to support psx 4-bit cluts

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svn-id: r40119
This commit is contained in:
Fabio Battaglia 2009-04-24 15:14:26 +00:00
parent d7180316dd
commit 10caf64618
1 changed files with 6 additions and 6 deletions
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12
engines/tinsel/graphics.cpp
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@ -223,7 +223,7 @@ static void t0WrtNonZero(DRAWOBJECT *pObj, uint8 *srcP, uint8 *destP, bool apply
* Straight rendering with transparency support, PSX variant supporting also 4-BIT clut data
* TODO: finish supporting 4-bit data
*/
static void PsxWrtNonZero(DRAWOBJECT *pObj, uint8 *srcP, uint8 *destP, bool applyClipping, bool fourBitClut) {
static void PsxWrtNonZero(DRAWOBJECT *pObj, uint8 *srcP, uint8 *destP, bool applyClipping, bool fourBitClut, uint32 palStart) {
// Set up the offset between destination blocks
int rightClip = applyClipping ? pObj->rightClip : 0;
Common::Rect boxBounds;
@ -298,10 +298,10 @@ static void PsxWrtNonZero(DRAWOBJECT *pObj, uint8 *srcP, uint8 *destP, bool appl
if(!fourBitClut)
Common::copy(p + boxBounds.left, p + boxBounds.right + 1, tempDest + (SCREEN_WIDTH * (yp - boxBounds.top)));
else {
*(tempDest + SCREEN_WIDTH * (yp - boxBounds.top) + 0) = *p & 0x0f;
*(tempDest + SCREEN_WIDTH * (yp - boxBounds.top) + 1) = (*p & 0xf0) >> 4;
*(tempDest + SCREEN_WIDTH * (yp - boxBounds.top) + 2) = *(p + 1) & 0x0f;
*(tempDest + SCREEN_WIDTH * (yp - boxBounds.top) + 3) = (*(p + 1) & 0xf0) >> 4;
*(tempDest + SCREEN_WIDTH * (yp - boxBounds.top) + 0) = (*p & 0x0f) + palStart;
*(tempDest + SCREEN_WIDTH * (yp - boxBounds.top) + 1) = ((*p & 0xf0) >> 4) + palStart;
*(tempDest + SCREEN_WIDTH * (yp - boxBounds.top) + 2) = (*(p + 1) & 0x0f) + palStart;
*(tempDest + SCREEN_WIDTH * (yp - boxBounds.top) + 3) = ((*(p + 1) & 0xf0) >> 4) + palStart;
}
}
@ -842,7 +842,7 @@ void DrawObject(DRAWOBJECT *pObj) {
case 0x08:
case 0x41:
case 0x48:
PsxWrtNonZero(pObj, srcPtr, destPtr, typeId >= 0x40, psxFourBitClut);
PsxWrtNonZero(pObj, srcPtr, destPtr, typeId >= 0x40, psxFourBitClut, pObj->pPal->posInDAC);
break;
case 0x04: