int Sprite::getPixel(int x, int y, const Displacement &displacement) const {
Common::Rect rect = getRect(displacement);
int dy = y - rect.top;
int dx = x - rect.left;
// Calculate scaling factors
double scaleX = double(rect.width()) / _width;
double scaleY = double(rect.height()) / _height;
int sy = scummvm_lround(dy / scaleY);
int sx = scummvm_lround(dx / scaleX);
if (_mirror)
return _data[sy * _width + (_width - sx)];
else
return _data[sy * _width + sx];
}
Common::Rect Sprite::getRect(const Displacement &displacement) const {
return Common::Rect(_x + displacement.relX, _y + displacement.relY,
_x + displacement.relX + scummvm_lround(_scaledWidth * displacement.extraScaleX),
_y + displacement.relY + scummvm_lround(_scaledHeight * displacement.extraScaleY));
}
Displacement Animation::getCurrentFrameDisplacement() const {
Displacement dis = _displacement;
dis.relX += scummvm_lround(dis.extraScaleX * _shift.x);
dis.relY += scummvm_lround(dis.extraScaleY * _shift.y);
return dis;
}