Function unstuck

src/mon.c:3437–3467

}

void
unstuck(struct monst *mtmp)
{
    if (u.ustuck == mtmp) {
        struct permonst *ptr = mtmp->data;
        unsigned swallowed = u.uswallow;

        /* do this first so that docrt()'s botl update is accurate;
           clears u.uswallow as well as setting u.ustuck to Null */
        set_ustuck((struct monst *) 0);

        if (swallowed) {
            gm.mswallower = (struct monst *) 0;
            u.ux = mtmp->mx;
            u.uy = mtmp->my;
            if (Punished && uchain->where != OBJ_FLOOR)
                placebc();
            gv.vision_full_recalc = 1;
            docrt();
        }

        /* prevent holder/engulfer from immediately re-holding/re-engulfing
           [note: this call to unstuck() might be because u.ustuck has just
           changed shape and doesn't have a holding attack any more, hence
           don't set mspec_used unconditionally] */
        if (!mtmp->mspec_used && (dmgtype(ptr, AD_STCK)
                                  || attacktype(ptr, AT_ENGL)
                                  || attacktype(ptr, AT_HUGS)))
            mtmp->mspec_used = rnd(2);
    }
}

void
killed(struct monst *mtmp)