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PRINCE: showHeroShadow progress

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This commit is contained in:
lukaslw 2014-05-09 14:01:08 +02:00
parent fb60ffd683
commit 6463c04b93
1 changed files with 96 additions and 13 deletions
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109
engines/prince/hero.cpp
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@ -286,8 +286,8 @@ Graphics::Surface *Hero::showHeroShadow(Graphics::Surface *heroFrame) {
int destX = _drawX; // eax
int destY = _middleY - _shadMinus; // ecx
// modulo of source Bitmap - ebp
//int scaledX = getScaledValue(frameXSize); // ebx
//int scaledY = getScaledValue(frameYSize); // edx
int scaledX = getScaledValue(frameXSize); // ebx
int scaledY = getScaledValue(frameYSize); // edx
// shadowTable70 - edi
if (destY > 1 && destY < kMaxPicHeight) {
@ -310,8 +310,8 @@ Graphics::Surface *Hero::showHeroShadow(Graphics::Surface *heroFrame) {
// sprShadow = shadowTable70
// sprModulo = modulo of source Bitmap
// sprWidth = scaledX
// sprHeight = scaledY
int sprWidth = scaledX;
int sprHeight = scaledY;
int sprDestX = destX - _vm->_picWindowX;
int sprDestY = destY - _vm->_picWindowY;
@ -324,7 +324,7 @@ Graphics::Surface *Hero::showHeroShadow(Graphics::Surface *heroFrame) {
int shadMaxY = sprDestY;
// destY * kMaxPicWidth / 8 + destX / 8
int shadBitAddr = _shadowBitmap->getZoom(destY * kMaxPicWidth / 8 + destX / 8);
int shadBitMask = 128 / (2 << (destX % 8));
int shadBitMask = 128 >> (destX % 8);
int shadZoomY2 = _shadScaleValue;
int shadZoomY = _scaleValue;
@ -334,33 +334,116 @@ Graphics::Surface *Hero::showHeroShadow(Graphics::Surface *heroFrame) {
// banked2
byte *start = _shadowLine + 8;
// linear_loop
//for(int i = 0; i < ; i++) {
int ebx16795 = shadPosY;
int sprModulo = 0;
int shadSkipX = 0;
int ebxOnStack;
//retry_line:
for(int j = 0; j < shadPosY; j++) {
for (ebxOnStack = sprHeight; ebxOnStack > 0; ebxOnStack--) {
shadZoomY -= 100;
if(shadZoomY < 0 || _scaleValue != 10000) {
if (shadZoomY < 0 && _scaleValue != 10000) {
shadZoomY += _scaleValue;
// esi -= sprWidth
} else {
break; //to line_y_ok
}
}
if(ebxOnStack == 0) {
// esp += 4*4
// koniec_bajki
}
//line_y_ok
int shadLastY = 0;
if (shadPosY < 0 || shadPosY == shadLastY || shadPosY >= 480 || shadPosX >= 640) {
int shadLastY = 0; //?
if (shadPosY >= 0 && shadPosY != shadLastY) {
shadLastY = shadPosY;
//skip_line
if (shadPosY < 480 && shadPosX < 640) {
if (shadPosX < 0) {
shadSkipX = -1 * shadPosX;
//add eax, ebp
if (sprWidth > shadSkipX) { //?
//add esi, ebp
shadBitAddr += shadSkipX / 8;
int ebp16844 = shadSkipX % 8;
if (ebp16844 != 0) {
//loop_rotate:
for (int k = 0; k < ebp16844; k++) {
//ror shaBitMask !
shadBitMask /= 2;
if (shadBitMask == 1) {
shadBitMask = 128;
shadBitAddr++;
}
}
}
//draw_line1
if (shadPosX < shadMinX) {
shadMinX = shadPosX;
}
//bigger_x
if (shadPosX + sprWidth > shadMaxX) {
shadMaxX = shadPosX + sprWidth;
}
//smaller_x
if (shadPosY < shadMinY) {
shadMinY = shadPosY;
}
//bigger_y
if (shadPosY > shadMaxY) {
shadMaxY = shadPosY;
}
//smaller_y
//retry_line2
int ebxOnStack2;
for(ebxOnStack2 = ebxOnStack; ebxOnStack2 > 0; ebxOnStack2--) {
shadZoomY2 -= 100;
if (shadZoomY2 < 0 && _shadScaleValue != 10000) {
shadZoomY2 += _shadScaleValue;
// esi -= sprWidth
} else {
break; //to line_y_ok_2
}
}
if (ebxOnStack2 == 0) {
// esp += 4*4
// koniec_bajki
}
//line_y_ok_2:
// push esi
// push ecx
// int lineDestAddr = eax;
// edi = eax
// eax = shadBitMask
// push eax // push shadBitMask
// lineBitAddr = shadBitMask
// eax = shadBitAddr
// push eax
// LineBitAddr = eax
} else if (shadPosX < 0) {
shadSkipX = -1 * shadPosX;
//copy_trans
//push eax, ebx, edx, ebp
int shadWDFlag = 0;
int shadZoomX = _scaleValue;
//ebx17061 = shadowTable70;
int ebp17062 = shadBitAddr;
int ah = shadBitMask;
//ct_loop:
shadZoomX -= 100;
if (shadZoomX < 0 && _scaleValue != 10000) {
// esi++;
shadZoomX += _scaleValue;
}
}
} else {
//x1_ok
}
}
}
//skip_line
//}
}
return makeShadow;