public boolean invoke(MOB mob, Vector commands, Physical givenTarget, boolean auto, int asLevel) {
    Physical target = getAnyTarget(mob, commands, givenTarget, Wearable.FILTER_ANY);
    if (target == null) return false;

    if (!super.invoke(mob, commands, givenTarget, auto, asLevel)) return false;

    boolean success = proficiencyCheck(mob, 0, auto);

    if (success) {
      // it worked, so build a copy of this ability,
      // and add it to the affects list of the
      // affected MOB.  Then tell everyone else
      // what happened.
      CMMsg msg =
          CMClass.getMsg(
              mob,
              target,
              this,
              verbalCastCode(mob, target, auto),
              auto ? "" : "^S<S-NAME> " + prayWord(mob) + " to extinguish <T-NAMESELF>.^?");
      if (mob.location().okMessage(mob, msg)) {
        mob.location().send(mob, msg);
        CMLib.utensils().extinguish(mob, target, false);
        target.recoverPhyStats();
        mob.location().recoverRoomStats();
      }
    } else
      return beneficialWordsFizzle(
          mob,
          target,
          "<S-NAME> " + prayWord(mob) + " to extinguish <T-NAMESELF>, but nothing happens.");
    // return whether it worked
    return success;
  }
  public boolean invoke(MOB mob, Vector commands, Physical givenTarget, boolean auto, int asLevel) {
    Physical target = null;
    if (commands.size() > 0) {
      String s = CMParms.combine(commands, 0);
      if (s.equalsIgnoreCase("room")) target = mob.location();
      else if (s.equalsIgnoreCase("here")) target = mob.location();
      else if (CMLib.english().containsString(mob.location().ID(), s)
          || CMLib.english().containsString(mob.location().name(), s)
          || CMLib.english().containsString(mob.location().displayText(), s))
        target = mob.location();
    }
    if (target == null) target = getTarget(mob, commands, givenTarget);
    if (target == null) return false;
    if ((target instanceof Room) && (target.fetchEffect(ID()) != null)) {
      mob.tell("This place is already under a summoning ward.");
      return false;
    }

    if (!super.invoke(mob, commands, givenTarget, auto, asLevel)) return false;

    boolean success = proficiencyCheck(mob, 0, auto);
    if (success) {
      CMMsg msg =
          CMClass.getMsg(
              mob,
              target,
              this,
              verbalCastCode(mob, target, auto),
              auto
                  ? "<T-NAME> seem(s) magically protected."
                  : "^S<S-NAME> invoke(s) a summoning ward upon <T-NAMESELF>.^?");
      if (target instanceof Room) quality = Ability.QUALITY_MALICIOUS;
      if (mob.location().okMessage(mob, msg)) {
        mob.location().send(mob, msg);
        if ((target instanceof Room) && ((CMLib.law().doesOwnThisProperty(mob, ((Room) target))))) {
          target.addNonUninvokableEffect((Ability) this.copyOf());
          CMLib.database().DBUpdateRoom((Room) target);
        } else {
          beneficialAffect(mob, target, asLevel, 0);
          if (target instanceof Room) {
            Spell_SummoningWard A = (Spell_SummoningWard) target.fetchEffect(ID());
            if (A != null) A.quality = Ability.QUALITY_MALICIOUS;
          }
        }
      }
    } else
      beneficialWordsFizzle(
          mob, target, "<S-NAME> attempt(s) to invoke a summoning ward, but fail(s).");
    quality = Ability.QUALITY_INDIFFERENT;

    return success;
  }
  public List<Ability> returnOffensiveAffects(MOB caster, Physical fromMe) {
    MOB newMOB = CMClass.getFactoryMOB();
    MOB newerMOB = CMClass.getFactoryMOB();
    Vector offenders = new Vector(1);

    CMMsg msg = CMClass.getMsg(newMOB, newerMOB, null, CMMsg.MSG_LOOK, null);
    for (int a = 0; a < fromMe.numEffects(); a++) // personal
    {
      Ability A = fromMe.fetchEffect(a);
      if (A != null) {
        newMOB.recoverPhyStats();
        A.affectPhyStats(newMOB, newMOB.phyStats());
        if ((!CMLib.flags().canSee(newMOB)) || (!A.okMessage(newMOB, msg)))
          if ((A.invoker() == null)
              || ((A.invoker() != null)
                  && (A.invoker().phyStats().level())
                      <= (caster.phyStats().level() + 1 + (2 * getXLEVELLevel(caster)))))
            offenders.addElement(A);
      }
    }
    newMOB.destroy();
    newerMOB.destroy();
    return offenders;
  }
  public boolean invoke(MOB mob, Vector commands, Physical givenTarget, boolean auto, int asLevel) {
    boolean saveTheTrap = false;
    if ((commands.size() > 0) && (commands.lastElement() instanceof Boolean)) {
      saveTheTrap = ((Boolean) commands.lastElement()).booleanValue();
      commands.removeElementAt(commands.size() - 1);
    }
    String whatTounlock = CMParms.combine(commands, 0);
    Physical unlockThis = null;
    int dirCode = Directions.getGoodDirectionCode(whatTounlock);
    Room R = mob.location();
    Room nextRoom = null;
    if (dirCode >= 0) {
      nextRoom = R.getRoomInDir(dirCode);
      unlockThis = R.getExitInDir(dirCode);
    }
    if ((unlockThis == null)
        && (whatTounlock.equalsIgnoreCase("room") || whatTounlock.equalsIgnoreCase("here")))
      unlockThis = R;
    if (unlockThis == null)
      unlockThis = getAnyTarget(mob, commands, givenTarget, Wearable.FILTER_UNWORNONLY);
    if (unlockThis == null) return false;
    int oldProficiency = proficiency();

    if (!super.invoke(mob, commands, givenTarget, auto, asLevel)) return false;

    boolean success =
        proficiencyCheck(
            mob,
            +(((mob.phyStats().level() + (getXLEVELLevel(mob) * 2)) - unlockThis.phyStats().level())
                * 3),
            auto);
    Vector<Physical> permSetV = new Vector<Physical>();
    Trap theTrap = CMLib.utensils().fetchMyTrap(unlockThis);
    if (theTrap != null) permSetV.addElement(unlockThis);
    Trap opTrap = null;
    boolean permanent = false;
    if ((unlockThis instanceof Room) && (CMLib.law().doesOwnThisProperty(mob, ((Room) unlockThis))))
      permanent = true;
    else if (unlockThis instanceof Exit) {
      Room R2 = null;
      if (dirCode < 0)
        for (int d = Directions.NUM_DIRECTIONS() - 1; d >= 0; d--)
          if (R.getExitInDir(d) == unlockThis) {
            dirCode = d;
            R2 = R.getRoomInDir(d);
            break;
          }
      if ((CMLib.law().doesOwnThisProperty(mob, R))
          || ((R2 != null) && (CMLib.law().doesOwnThisProperty(mob, R2)))) permanent = true;
      if (dirCode >= 0) {
        Exit exit = R.getReverseExit(dirCode);
        if (exit != null) opTrap = CMLib.utensils().fetchMyTrap(exit);
        if (opTrap != null) permSetV.addElement(exit);
        Trap roomTrap = null;
        if (nextRoom != null) roomTrap = CMLib.utensils().fetchMyTrap(nextRoom);
        if (roomTrap != null) permSetV.addElement(nextRoom);
        if ((theTrap != null) && (theTrap.disabled()) && (roomTrap != null)) {
          opTrap = null;
          unlockThis = nextRoom;
          theTrap = roomTrap;
        }
      }
    }
    if (unlockThis == null) {
      mob.tell("You can't seem to remember how this works.");
      return false;
    }
    CMMsg msg =
        CMClass.getMsg(
            mob,
            unlockThis,
            this,
            auto ? CMMsg.MSG_OK_ACTION : CMMsg.MSG_DELICATE_HANDS_ACT,
            CMMsg.MSG_DELICATE_HANDS_ACT,
            CMMsg.MSG_OK_ACTION,
            auto
                ? unlockThis.name() + " begins to glow."
                : "<S-NAME> attempt(s) to safely deactivate a trap on " + unlockThis.name() + ".");
    if ((success) && (!lastDone.contains("" + unlockThis))) {
      while (lastDone.size() > 40) lastDone.removeElementAt(0);
      lastDone.addElement("" + unlockThis);
      msg.setValue(1);
    } else msg.setValue(0);
    if (R.okMessage(mob, msg)) {
      R.send(mob, msg);
      if ((unlockThis == lastChecked) && ((theTrap == null) || (theTrap.disabled())))
        setProficiency(oldProficiency);
      if (success) {
        if (theTrap != null) {
          theTrap.disable();
          if (saveTheTrap) commands.addElement(theTrap);
        }
        if (opTrap != null) {
          opTrap.disable();
          if (saveTheTrap) commands.addElement(opTrap);
        }
        if (permanent) {
          for (int i = 0; i < permSetV.size(); i++) {
            if (theTrap != null) {
              theTrap.unInvoke();
              ((Physical) permSetV.elementAt(i)).delEffect(theTrap);
            }
            if (opTrap != null) {
              opTrap.unInvoke();
              ((Physical) permSetV.elementAt(i)).delEffect(opTrap);
            }
          }
          CMLib.database().DBUpdateRoom(R);
          CMLib.database().DBUpdateExits(R);
        }
      }
      if ((!auto) && (!saveTheTrap)) mob.tell("You have completed your attempt.");
      lastChecked = unlockThis;
    }

    return success;
  }