Function unconstrain_map

src/detect.c:69–81

bring hero out from underwater or underground or being engulfed; return True iff any change occurred */

/* bring hero out from underwater or underground or being engulfed;
   return True iff any change occurred */
staticfn boolean
unconstrain_map(void)
{
    boolean res = u.uinwater || u.uburied || u.uswallow;

    /* bring Underwater, buried, or swallowed hero to normal map;
       bypass set_uinwater() */
    iflags.save_uinwater = u.uinwater, u.uinwater = 0;
    iflags.save_uburied  = u.uburied,  u.uburied  = 0;
    iflags.save_uswallow = u.uswallow, u.uswallow = 0;

    return res;
}

/* put hero back underwater or underground or engulfed */
staticfn void