void Map::load_masked_screen_rectangle(Torbit& src)
{
if (get_xl() != src.get_xl() || get_yl() != src.get_yl()) return;
const int& x = screen_x;
const int& y = screen_y;
const int& xl = get_xl();
const int& yl = get_yl();
const bool& tx = get_torus_x();
const bool& ty = get_torus_y();
const int min_w = screen_xl;
const int min_h = screen_yl;
BITMAP* s = src.get_al_bitmap();
BITMAP* b = get_al_bitmap();
masked_blit(s, b, x, y, x, y, min_w, min_h);
if (tx) masked_blit(s, b, x-xl, y, x-xl, y, min_w, min_h);
if (ty) masked_blit(s, b, x, y-yl, x, y-yl, min_w, min_h);
if (tx&&ty) masked_blit(s, b, x-xl, y-yl, x-xl, y-yl, min_w, min_h);
}
