void Surface::blit(Surface *src, int x, int y, float rotation, float sx, float sy, int ox, int oy, bool smooth) {

    SDL_Surface *temp;
    temp = rotozoomSurfaceXY(
                            src->getSDL_Surface(),
                            rotation,
                            sx, sy,
                            smooth ? SMOOTHING_ON : SMOOTHING_OFF
                            );
    assert(temp);

    float w_no_rot = src->getWidth() * sx;
    float h_no_rot = src->getHeight() * sy;

    float cos_rot = cos(math::DEG_RAD_R * rotation);
    float sin_rot = sin(math::DEG_RAD_R * rotation);

    Vector2D v1(w_no_rot, -h_no_rot);
    Vector2D v2(w_no_rot, 0);

    v1.rotate(math::DEG_RAD_R * rotation);
    v2.rotate(math::DEG_RAD_R * rotation);

    int fx, fy;

    fx = x - ox * sx;
    fy = y - oy * sy;
    //fx = x;
    //fy = y;

    rotation = fmod(rotation, 360.0f);
    if (rotation >= 0 && rotation < 90) {
        fy -= v2.getY();
    }
    else
    if (rotation >= 90 && rotation < 180) {
        fx += v2.getX();
        fy -= v1.getY();
    }
    else
    if (rotation >= 180 && rotation < 270) {
        fx += v1.getX();
        fy += h_no_rot * cos_rot;
    }
    else {
        fx += h_no_rot * sin_rot;
    }

    SDL_Rect dest_rect = {Sint16(fx), Sint16(fy), Uint16(temp->w), Uint16(temp->h)};

    SDL_BlitSurface(temp, 0, getSDL_Surface(), &dest_rect);

    SDL_FreeSurface(temp);
}