Function down_gate

src/dokick.c:1942–1969

migration destination for objects which fall down to next level */

/* migration destination for objects which fall down to next level */
schar
down_gate(coordxy x, coordxy y)
{
    struct trap *ttmp;
    stairway *stway = stairway_at(x, y);

    gg.gate_str = 0;
    /* this matches the player restriction in goto_level() */
    if (on_level(&u.uz, &qstart_level) && !ok_to_quest()) {
        return MIGR_NOWHERE;
    }
    if (stway && !stway->up && !stway->isladder) {
        gg.gate_str = "down the stairs";
        return (stway->tolev.dnum == u.uz.dnum) ? MIGR_STAIRS_UP
                                                : MIGR_SSTAIRS;
    }
    if (stway && !stway->up && stway->isladder) {
        gg.gate_str = "down the ladder";
        return MIGR_LADDER_UP;
    }
    /* hole will always be flagged as seen; trap drop might or might not */
    if ((ttmp = t_at(x, y)) != 0 && ttmp->tseen && is_hole(ttmp->ttyp)) {
        gg.gate_str = (ttmp->ttyp == TRAPDOOR) ? "through the trap door"
                                              : "through the hole";
        return MIGR_RANDOM;
    }
    return MIGR_NOWHERE;
}

/*dokick.c*/