private static final boolean checkAndChangeClass(L2PcInstance player, int val) {
    final ClassId currentClassId = player.getClassId();
    if (getMinLevel(currentClassId.level()) > player.getLevel() && !Config.ALLOW_ENTIRE_TREE)
      return false;

    if (!validateClassId(currentClassId, val)) return false;

    int newJobLevel = currentClassId.level() + 1;

    // Weight/Inventory check
    if (!Config.CLASS_MASTER_SETTINGS.getRewardItems(newJobLevel).isEmpty()
        && !player.isInventoryUnder80(false)) {
      player.sendPacket(
          SystemMessage.getSystemMessage(SystemMessageId.INVENTORY_LESS_THAN_80_PERCENT));
      return false;
    }

    // check if player have all required items for class transfer
    for (int _itemId : Config.CLASS_MASTER_SETTINGS.getRequireItems(newJobLevel).keys()) {
      int _count = Config.CLASS_MASTER_SETTINGS.getRequireItems(newJobLevel).get(_itemId);
      if (player.getInventory().getInventoryItemCount(_itemId, -1) < _count) {
        player.sendPacket(SystemMessageId.NOT_ENOUGH_ITEMS);
        return false;
      }
    }

    // get all required items for class transfer
    for (int _itemId : Config.CLASS_MASTER_SETTINGS.getRequireItems(newJobLevel).keys()) {
      int _count = Config.CLASS_MASTER_SETTINGS.getRequireItems(newJobLevel).get(_itemId);
      if (!player.destroyItemByItemId("ClassMaster", _itemId, _count, player, true)) return false;
    }

    // reward player with items
    for (int _itemId : Config.CLASS_MASTER_SETTINGS.getRewardItems(newJobLevel).keys()) {
      int _count = Config.CLASS_MASTER_SETTINGS.getRewardItems(newJobLevel).get(_itemId);
      player.addItem("ClassMaster", _itemId, _count, player, true);
    }

    player.setClassId(val);

    if (player.isSubClassActive())
      player.getSubClasses().get(player.getClassIndex()).setClassId(player.getActiveClass());
    else player.setBaseClass(player.getActiveClass());

    Quest q = QuestManager.getInstance().getQuest("SkillTransfer");
    if (q != null) q.startQuestTimer("givePormanders", 1, null, player);

    player.broadcastUserInfo();

    if (Config.CLASS_MASTER_SETTINGS.isAllowed(player.getClassId().level() + 1)
        && Config.ALTERNATE_CLASS_MASTER
        && ((player.getClassId().level() == 1 && player.getLevel() >= 40)
            || (player.getClassId().level() == 2 && player.getLevel() >= 76)))
      showQuestionMark(player);

    return true;
  }
 @Override
 protected void doAction(L2PcInstance player) {
   if (isBusy()) return;
   synchronized (_sync) {
     if (!hasKey) return;
     setBusy(true);
     player.addItem("FourSepulchers", 7260, 1, null, true);
     setIsInvul(false);
     hasKey = false;
   }
   reduceCurrentHp(getMaxHp() + 1, player);
   _mausoleum.nextStage();
 }
  @Override
  public void onBypassFeedback(L2PcInstance player, String command) {
    if (command.startsWith("Chat")) {
      int val = 0;
      try {
        val = Integer.parseInt(command.substring(5));
      } catch (IndexOutOfBoundsException ioobe) {
      } catch (NumberFormatException nfe) {
      }
      showChatWindow(player, val);
      return;
    } else if (command.startsWith("ExchangeKE")) {
      String filename = null;
      int item;
      int i0 = Rnd.get(100);
      if (i0 < 5) {
        int i1 = Rnd.get(100);
        if (i1 < 5) item = 9931; // Red Talisman of Meditation
        else if (i1 <= 50) item = 9932; // Blue Talisman - Divine Protection
        else if (i1 <= 75) item = 10416; // Blue Talisman - Explosion
        else item = 10417; // Blue Talisman - Magic Explosion
      } else if (i0 <= 15) {
        switch (Rnd.get(5)) {
          case 1: // Red Talisman of Minimum Clarity
            item = 9917;
            break;
          case 2: // Red Talisman of Maximum Clarity
            item = 9918;
            break;
          case 3: // Red Talisman of Mental Regeneration
            item = 9928;
            break;
          case 4: // Blue Talisman of Protection
            item = 9929;
            break;
          default: // Blue Talisman of Invisibility
            item = 9920;
        }
      } else if (i0 <= 30) {
        switch (Rnd.get(8)) {
          case 1: // Blue Talisman of Defense
            item = 9916;
            break;
          case 2: // Blue Talisman of Defense
            item = 9916;
            break;
          case 3: // Blue Talisman of Healing
            item = 9924;
            break;
          case 4: // Red Talisman of Recovery
            item = 9925;
            break;
          case 5: // Blue Talisman of Defense
            item = 9926;
            break;
          case 6: // Blue Talisman of Magic Defense
            item = 9927;
            break;
          case 7: // Red Talisman - Life Force
            item = 10518;
            break;
          default: // Blue Talisman - Greater Healing
            item = 10424;
        }
      } else {
        switch (Rnd.get(46)) {
          case 0: // Blue Talisman of Power
            item = 9914;
            break;
          case 1: // Blue Talisman of Wild Magic
            item = 9915;
            break;
          case 2: // Blue Talisman of Invisibility
            item = 9920;
            break;
          case 3: // Blue Talisman of Invisibility
            item = 9920;
            break;
          case 4: // Blue Talisman - Shield Protection
            item = 9921;
            break;
          case 5: // Black Talisman - Mending
            item = 9922;
            break;
          case 6: // Yellow Talisman of Power
            item = 9933;
            break;
          case 7: // Yellow Talisman of Violent Haste
            item = 9934;
            break;
          case 8: // Yellow Talisman of Arcane Defense
            item = 9935;
            break;
          case 9: // Yellow Talisman of Arcane Power
            item = 9936;
            break;
          case 10: // Yellow Talisman of Arcane Haste
            item = 9937;
            break;
          case 11: // Yellow Talisman of Accuracy
            item = 9938;
            break;
          case 12: // Yellow Talisman of Defense
            item = 9939;
            break;
          case 13: // Yellow Talisman of Alacrity
            item = 9940;
            break;
          case 14: // Yellow Talisman of Speed
            item = 9941;
            break;
          case 15: // Yellow Talisman of Critical Reduction
            item = 9942;
            break;
          case 16: // Yellow Talisman of Critical Damage
            item = 9943;
            break;
          case 17: // Yellow Talisman of Critical Dodging
            item = 9944;
            break;
          case 18: // Yellow Talisman of Evasion
            item = 9945;
            break;
          case 19: // Yellow Talisman of Healing
            item = 9946;
            break;
          case 20: // Yellow Talisman of CP Regeneration
            item = 9947;
            break;
          case 21: // Yellow Talisman of Physical Regeneration
            item = 9948;
            break;
          case 22: // Yellow Talisman of Mental Regeneration
            item = 9949;
            break;
          case 23: // Grey Talisman of Weight Training
            item = 9950;
            break;
          case 24: // White Talisman of Protection
            item = 9965;
            break;
          case 25: // Orange Talisman - Hot Springs CP Potion
            item = 9952;
            break;
          case 26: // Orange Talisman - Elixir of Life
            item = 9953;
            break;
          case 27: // Orange Talisman - Elixir of Mental Strength
            item = 9954;
            break;
          case 28: // Black Talisman - Vocalization
            item = 9955;
            break;
          case 29: // Black Talisman - Arcane Freedom
            item = 9956;
            break;
          case 30: // Black Talisman - Physical Freedom
            item = 9957;
            break;
          case 31: // Black Talisman - Rescue
            item = 9958;
            break;
          case 32: // Black Talisman - Free Speech
            item = 9959;
            break;
          case 33: // White Talisman of Bravery
            item = 9960;
            break;
          case 34: // White Talisman of Motion
            item = 9961;
            break;
          case 35: // White Talisman of Grounding
            item = 9962;
            break;
          case 36: // White Talisman of Attention
            item = 9963;
            break;
          case 37: // White Talisman of Bandages
            item = 9964;
            break;
          case 38: // White Talisman - Storm
            item = 10418;
            break;
          case 39: // White Talisman - Water
            item = 10420;
            break;
          case 40: // White Talisman -  Earth
            item = 10519;
            break;
          case 41: // White Talisman - Light
            item = 10422;
            break;
          case 42: // Blue Talisman - Self-Destruction
            item = 10423;
            break;
          case 43: // White Talisman - Darkness
            item = 10419;
            break;
          default: // White Talisman - Fire
            item = 10421;
        }
      }

      if (player.destroyItemByItemId("ExchangeKE", 9912, 10, this, false)) {
        SystemMessage msg = SystemMessage.getSystemMessage(SystemMessageId.S2_S1_DISAPPEARED);
        msg.addItemName(9912);
        msg.addNumber(10);
        player.sendPacket(msg);

        player.addItem("ExchangeKE", item, 1, player, true);

        filename = "data/html/castlemagician/magician-KE-Exchange.htm";
      } else filename = "data/html/castlemagician/magician-no-KE.htm";

      showChatWindow(player, filename);
      return;
    } else if (command.equals("gotoleader")) {
      if (player.getClan() != null) {
        L2PcInstance clanLeader = player.getClan().getLeader().getPlayerInstance();
        if (clanLeader == null) return;

        if (clanLeader.getFirstEffect(L2EffectType.CLAN_GATE) != null) {
          if (!validateGateCondition(clanLeader, player)) return;

          player.teleToLocation(clanLeader.getX(), clanLeader.getY(), clanLeader.getZ(), false);
          return;
        }
        String filename = "data/html/castlemagician/magician-nogate.htm";
        showChatWindow(player, filename);
      }
      return;
    } else if (command.equals("subskills")) {
      if (player.getClan() != null) {
        if (player.isClanLeader()) {
          AcquireSkillList skilllist = new AcquireSkillList(SkillType.SubClass);
          FastList<L2SkillLearn> list =
              SkillTreesData.getInstance().getAvailableSubPledgeSkills(player.getClan());
          if (list.isEmpty()) {
            player.sendPacket(SystemMessageId.NO_MORE_SKILLS_TO_LEARN);
            return;
          }
          for (L2SkillLearn skillLearn : list) {
            skilllist.addSkill(
                skillLearn.getSkillId(),
                skillLearn.getSkillLevel(),
                skillLearn.getSkillLevel(),
                skillLearn.getLevelUpSp(),
                0);
          }
          player.sendPacket(skilllist);
        } else {
          String filename = "data/html/castlemagician/magician-nosquad.htm";
          showChatWindow(player, filename);
        }
      }
    } else super.onBypassFeedback(player, command);
  }