Function maze1xy

src/sp_lev.c:2899–2916

* Select a random coordinate in the maze. * * We want a place not 'touched' by the loader. That is, a place in * the maze outside every part of the special level. */

 * the maze outside every part of the special level.
 */
staticfn void
maze1xy(coord *m, int humidity)
{
    int x, y, tryct = 2000;
    /* tryct:  normally it won't take more than ten or so tries due
       to the circumstances under which we'll be called, but the
       `humidity' screening might drastically change the chances */

    do {
        x = rn1(gx.x_maze_max - 3, 3);
        y = rn1(gy.y_maze_max - 3, 3);
        if (--tryct < 0)
            break; /* give up */
    } while (!(x % 2) || !(y % 2) || SpLev_Map[x][y]
             || !is_ok_location((coordxy) x, (coordxy) y, humidity));

    m->x = (coordxy) x, m->y = (coordxy) y;
}

/*
 * If there's a significant portion of maze unused by the special level,