void PrinceEngine::findPoint(int x, int y) {
_fpX = x;
_fpY = y;
if (getPixelAddr(_roomPathBitmap, x, y)) {
return;
}
int fpL = x;
int fpU = y;
int fpR = x;
int fpD = y;
while (1) {
if (fpD != kMaxPicHeight) {
if (getPixelAddr(_roomPathBitmap, x, fpD)) {
_fpX = x;
_fpY = fpD;
break;
}
fpD++;
}
if (fpU) {
if (getPixelAddr(_roomPathBitmap, x, fpU)) {
_fpX = x;
_fpY = fpU;
break;
}
fpU--;
}
if (fpL) {
if (getPixelAddr(_roomPathBitmap, fpL, y)) {
_fpX = fpL;
_fpY = y;
break;
}
fpL--;
}
if (fpR != _sceneWidth) {
if (getPixelAddr(_roomPathBitmap, fpR, y)) {
_fpX = fpR;
_fpY = y;
break;
}
fpR++;
}
if (!fpU && (fpD == kMaxPicHeight)) {
if (!fpL && (fpR == _sceneWidth)) {
break;
}
}
}
}
unsigned char* TimgFilterLogoaway::Tplane::getCornerAddr(const TlogoawaySettings *cfg,int corner)
{
switch (corner) {
case TlogoawaySettings::NW:
return getPixelAddr(cfg->x,cfg->y);
case TlogoawaySettings::NE:
return getPixelAddr(cfg->x+cfg->dx-1,cfg->y);
case TlogoawaySettings::SW:
return getPixelAddr(cfg->x,cfg->y+cfg->dy-1);
case TlogoawaySettings::SE:
return getPixelAddr(cfg->x+cfg->dx-1,cfg->y+cfg->dy-1);
default:
return NULL;
}
}
/* Gets the color of the pixel at position (x,y) and
returns it as an unsigned short value (color format) */
unsigned short getColor(int x, int y)
{
//this is kind of the reverse of drawPixel() on 259macros.h
unsigned short color;
volatile unsigned short *pPixel;
pPixel = getPixelAddr(x,y);
color = *pPixel;
return color;
}
void TimgFilterLogoaway::Tplane::loadLogo(const TlogoawaySettings *cfg,bool withborderN,bool withborderE,bool withborderS,bool withborderW)
{
int Vstart, Vend;
int Hstart, Hend;
const unsigned char *buffer=logotempdata;
if (withborderN) {
Vstart=0;
} else {
Vstart=1;
buffer+=logotempstride;
}
if (withborderS) {
Vend=h;
} else {
Vend=h-1;
}
if (withborderW) {
Hstart=0;
} else {
Hstart=1;
}
if (withborderE) {
Hend=w;
} else {
Hend=w-1;
}
unsigned char *p=getPixelAddr(cfg->x,cfg->y);
for (int i=Vstart; i<Vend; i++) {
memcpy(p+Hstart,buffer+(withborderW==false?1:0),Hend-Hstart);
buffer+=logotempstride;
p+=stride2;
}
}
inline void CCreatureAnimation::putPixelAt(SDL_Surface * dest, int X, int Y, size_t index, const std::array<SDL_Color, 8> & special) const
{
if ( X < pos.x + pos.w && Y < pos.y + pos.h)
putPixel<bpp>(getPixelAddr(dest, X, Y), palette[index], index, special);
}