break;
    case TRAP_ALARM:
        this->ammo_qty = 1 + random2(3);

        if (silenced(this->pos))

        if (!ammo_qty--)
        {
            if (you_trigger)
                mpr("You trigger an alarm trap, but it seems broken.");
            else if (in_sight && you_know)
                mpr("The alarm trap gives no sound.");
            trap_destroyed = true;
        }
        else if (silenced(this->pos))