private static final void showTutorialHtml(L2PcInstance player) {
    final ClassId currentClassId = player.getClassId();
    if (getMinLevel(currentClassId.level()) > player.getLevel() && !Config.ALLOW_ENTIRE_TREE)
      return;

    String msg =
        HtmCache.getInstance()
            .getHtm(player.getHtmlPrefix(), "data/html/classmaster/tutorialtemplate.htm");

    msg =
        msg.replaceAll(
            "%name%", CharTemplateTable.getInstance().getClassNameById(currentClassId.getId()));

    final StringBuilder menu = new StringBuilder(100);
    for (ClassId cid : ClassId.values()) {
      if (cid == ClassId.inspector && player.getTotalSubClasses() < 2) continue;
      if (validateClassId(currentClassId, cid)) {
        StringUtil.append(
            menu,
            "<a action=\"link CO",
            String.valueOf(cid.getId()),
            "\">",
            CharTemplateTable.getInstance().getClassNameById(cid.getId()),
            "</a><br>");
      }
    }

    msg = msg.replaceAll("%menu%", menu.toString());
    msg = msg.replace("%req_items%", getRequiredItems(currentClassId.level() + 1));
    player.sendPacket(new TutorialShowHtml(msg));
  }
  @Override
  public void onBypassFeedback(L2PcInstance player, String command) {
    if (command.startsWith("1stClass")) {
      showHtmlMenu(player, getObjectId(), 1);
    } else if (command.startsWith("2ndClass")) {
      showHtmlMenu(player, getObjectId(), 2);
    } else if (command.startsWith("3rdClass")) {
      showHtmlMenu(player, getObjectId(), 3);
    } else if (command.startsWith("change_class")) {
      int val = Integer.parseInt(command.substring(13));

      if (checkAndChangeClass(player, val)) {
        NpcHtmlMessage html = new NpcHtmlMessage(getObjectId());
        html.setFile(player.getHtmlPrefix(), "data/html/classmaster/ok.htm");
        html.replace("%name%", CharTemplateTable.getInstance().getClassNameById(val));
        player.sendPacket(html);
      }
    } else if (command.startsWith("become_noble")) {
      if (!player.isNoble()) {
        player.setNoble(true);
        player.sendPacket(new UserInfo(player));
        player.sendPacket(new ExBrExtraUserInfo(player));
        NpcHtmlMessage html = new NpcHtmlMessage(getObjectId());
        html.setFile(player.getHtmlPrefix(), "data/html/classmaster/nobleok.htm");
        player.sendPacket(html);
      }
    } else if (command.startsWith("learn_skills")) {
      player.giveAvailableSkills(Config.AUTO_LEARN_FS_SKILLS, true);
    } else if (command.startsWith("increase_clan_level")) {
      if (player.getClan() == null || !player.isClanLeader()) {
        NpcHtmlMessage html = new NpcHtmlMessage(getObjectId());
        html.setFile(player.getHtmlPrefix(), "data/html/classmaster/noclanleader.htm");
        player.sendPacket(html);
      } else if (player.getClan().getLevel() >= 5) {
        NpcHtmlMessage html = new NpcHtmlMessage(getObjectId());
        html.setFile(player.getHtmlPrefix(), "data/html/classmaster/noclanlevel.htm");
        player.sendPacket(html);
      } else {
        player.getClan().changeLevel(5);
      }
    } else {
      super.onBypassFeedback(player, command);
    }
  }
  /**
   * this displays PledgeSkillList to the player.
   *
   * @param player
   */
  public static final void showPledgeSkillList(L2PcInstance player) {
    if (player.getClan() == null || !player.isClanLeader()) {
      NpcHtmlMessage html = new NpcHtmlMessage(1);
      html.setFile(player.getHtmlPrefix(), "data/html/villagemaster/NotClanLeader.htm");
      player.sendPacket(html);
      player.sendPacket(ActionFailed.STATIC_PACKET);
      return;
    }

    L2PledgeSkillLearn[] skills = SkillTreeTable.getInstance().getAvailablePledgeSkills(player);
    AcquireSkillList asl = new AcquireSkillList(AcquireSkillList.SkillType.Clan);
    int counts = 0;

    for (L2PledgeSkillLearn s : skills) {
      int cost = s.getRepCost();
      int itemCount = s.getItemCount();
      counts++;

      asl.addSkill(s.getId(), s.getLevel(), s.getLevel(), cost, itemCount);
    }

    if (counts == 0) {
      if (player.getClan().getLevel() < 8) {
        SystemMessage sm = new SystemMessage(SystemMessageId.DO_NOT_HAVE_FURTHER_SKILLS_TO_LEARN);
        if (player.getClan().getLevel() < 5) sm.addNumber(5);
        else sm.addNumber(player.getClan().getLevel() + 1);
        player.sendPacket(sm);
      } else {
        NpcHtmlMessage html = new NpcHtmlMessage(1);
        html.setFile(player.getHtmlPrefix(), "data/html/villagemaster/NoMoreSkills.htm");
        player.sendPacket(html);
      }
    } else player.sendPacket(asl);

    player.sendPacket(ActionFailed.STATIC_PACKET);
  }
  @Override
  public void showChatWindow(L2PcInstance player, int val) {
    String filename = null;

    if (isInsideRadius(-79884, 86529, 50, true)
        || isInsideRadius(-78858, 111358, 50, true)
        || isInsideRadius(-76973, 87136, 50, true)
        || isInsideRadius(-75850, 111968, 50, true)) {
      if (val == 0) filename = "data/html/observation/" + getNpcId() + "-Oracle.htm";
      else filename = "data/html/observation/" + getNpcId() + "-Oracle-" + val + ".htm";
    } else {
      if (val == 0) filename = "data/html/observation/" + getNpcId() + ".htm";
      else filename = "data/html/observation/" + getNpcId() + "-" + val + ".htm";
    }

    NpcHtmlMessage html = new NpcHtmlMessage(getObjectId());
    html.setFile(player.getHtmlPrefix(), filename);
    html.replace("%objectId%", String.valueOf(getObjectId()));
    player.sendPacket(html);
  }
  @Override
  public void showChatWindow(L2PcInstance player, int val) {
    player.sendPacket(ActionFailed.STATIC_PACKET);
    String filename = "data/html/castlemagician/magician-no.htm";

    int condition = validateCondition(player);
    if (condition > COND_ALL_FALSE) {
      if (condition == COND_BUSY_BECAUSE_OF_SIEGE)
        filename = "data/html/castlemagician/magician-busy.htm"; // Busy because of siege
      else if (condition == COND_OWNER) // Clan owns castle
      {
        if (val == 0) filename = "data/html/castlemagician/magician.htm";
        else filename = "data/html/castlemagician/magician-" + val + ".htm";
      }
    }

    NpcHtmlMessage html = new NpcHtmlMessage(getObjectId());
    html.setFile(player.getHtmlPrefix(), filename);
    html.replace("%objectId%", String.valueOf(getObjectId()));
    player.sendPacket(html);
  }
  private static final void showHtmlMenu(L2PcInstance player, int objectId, int level) {
    NpcHtmlMessage html = new NpcHtmlMessage(objectId);

    if (!Config.ALLOW_CLASS_MASTERS) {
      html.setFile(player.getHtmlPrefix(), "data/html/classmaster/disabled.htm");
    } else if (!Config.CLASS_MASTER_SETTINGS.isAllowed(level)) {
      int jobLevel = player.getClassId().level();
      final StringBuilder sb = new StringBuilder(100);
      sb.append("<html><body>");
      switch (jobLevel) {
        case 0:
          if (Config.CLASS_MASTER_SETTINGS.isAllowed(1))
            sb.append("Come back here when you reached level 20 to change your class.<br>");
          else if (Config.CLASS_MASTER_SETTINGS.isAllowed(2))
            sb.append("Come back after your first occupation change.<br>");
          else if (Config.CLASS_MASTER_SETTINGS.isAllowed(3))
            sb.append("Come back after your second occupation change.<br>");
          else sb.append("I can't change your occupation.<br>");
          break;
        case 1:
          if (Config.CLASS_MASTER_SETTINGS.isAllowed(2))
            sb.append("Come back here when you reached level 40 to change your class.<br>");
          else if (Config.CLASS_MASTER_SETTINGS.isAllowed(3))
            sb.append("Come back after your second occupation change.<br>");
          else sb.append("I can't change your occupation.<br>");
          break;
        case 2:
          if (Config.CLASS_MASTER_SETTINGS.isAllowed(3))
            sb.append("Come back here when you reached level 76 to change your class.<br>");
          else sb.append("I can't change your occupation.<br>");
          break;
        case 3:
          sb.append("There is no class change available for you anymore.<br>");
          break;
      }
      sb.append("</body></html>");
      html.setHtml(sb.toString());
    } else {
      final ClassId currentClassId = player.getClassId();
      if (currentClassId.level() >= level) {
        html.setFile(player.getHtmlPrefix(), "data/html/classmaster/nomore.htm");
      } else {
        final int minLevel = getMinLevel(currentClassId.level());
        if (player.getLevel() >= minLevel || Config.ALLOW_ENTIRE_TREE) {
          final StringBuilder menu = new StringBuilder(100);
          for (ClassId cid : ClassId.values()) {
            if (cid == ClassId.inspector && player.getTotalSubClasses() < 2) continue;
            if (validateClassId(currentClassId, cid) && cid.level() == level) {
              StringUtil.append(
                  menu,
                  "<a action=\"bypass -h npc_%objectId%_change_class ",
                  String.valueOf(cid.getId()),
                  "\">",
                  CharTemplateTable.getInstance().getClassNameById(cid.getId()),
                  "</a><br>");
            }
          }

          if (menu.length() > 0) {
            html.setFile(player.getHtmlPrefix(), "data/html/classmaster/template.htm");
            html.replace(
                "%name%", CharTemplateTable.getInstance().getClassNameById(currentClassId.getId()));
            html.replace("%menu%", menu.toString());
          } else {
            html.setFile(player.getHtmlPrefix(), "data/html/classmaster/comebacklater.htm");
            html.replace("%level%", String.valueOf(getMinLevel(level - 1)));
          }
        } else {
          if (minLevel < Integer.MAX_VALUE) {
            html.setFile(player.getHtmlPrefix(), "data/html/classmaster/comebacklater.htm");
            html.replace("%level%", String.valueOf(minLevel));
          } else html.setFile(player.getHtmlPrefix(), "data/html/classmaster/nomore.htm");
        }
      }
    }

    html.replace("%objectId%", String.valueOf(objectId));
    html.replace("%req_items%", getRequiredItems(level));
    player.sendPacket(html);
  }
  @Override
  public void onBypassFeedback(L2PcInstance player, String command) {
    String[] commandStr = command.split(" ");
    String actualCommand = commandStr[0]; // Get actual command

    String cmdParams = "";
    String cmdParams2 = "";

    if (commandStr.length >= 2) cmdParams = commandStr[1];
    if (commandStr.length >= 3) cmdParams2 = commandStr[2];

    if (actualCommand.equalsIgnoreCase("create_clan")) {
      if (cmdParams.isEmpty()) return;

      ClanTable.getInstance().createClan(player, cmdParams);
    } else if (actualCommand.equalsIgnoreCase("create_academy")) {
      if (cmdParams.isEmpty()) return;

      createSubPledge(player, cmdParams, null, L2Clan.SUBUNIT_ACADEMY, 5);
    } else if (actualCommand.equalsIgnoreCase("rename_pledge")) {
      if (cmdParams.isEmpty() || cmdParams2.isEmpty()) return;

      renameSubPledge(player, Integer.valueOf(cmdParams), cmdParams2);
    } else if (actualCommand.equalsIgnoreCase("create_royal")) {
      if (cmdParams.isEmpty()) return;

      createSubPledge(player, cmdParams, cmdParams2, L2Clan.SUBUNIT_ROYAL1, 6);
    } else if (actualCommand.equalsIgnoreCase("create_knight")) {
      if (cmdParams.isEmpty()) return;

      createSubPledge(player, cmdParams, cmdParams2, L2Clan.SUBUNIT_KNIGHT1, 7);
    } else if (actualCommand.equalsIgnoreCase("assign_subpl_leader")) {
      if (cmdParams.isEmpty()) return;

      assignSubPledgeLeader(player, cmdParams, cmdParams2);
    } else if (actualCommand.equalsIgnoreCase("create_ally")) {
      if (cmdParams.isEmpty()) return;

      if (player.getClan() == null)
        player.sendPacket(new SystemMessage(SystemMessageId.ONLY_CLAN_LEADER_CREATE_ALLIANCE));
      else player.getClan().createAlly(player, cmdParams);
    } else if (actualCommand.equalsIgnoreCase("dissolve_ally")) {
      player.getClan().dissolveAlly(player);
    } else if (actualCommand.equalsIgnoreCase("dissolve_clan")) {
      dissolveClan(player, player.getClanId());
    } else if (actualCommand.equalsIgnoreCase("change_clan_leader")) {
      if (cmdParams.isEmpty()) return;

      changeClanLeader(player, cmdParams);
    } else if (actualCommand.equalsIgnoreCase("recover_clan")) {
      recoverClan(player, player.getClanId());
    } else if (actualCommand.equalsIgnoreCase("increase_clan_level")) {
      if (player.getClan().levelUpClan(player)) {
        player.broadcastPacket(new MagicSkillUse(player, 5103, 1, 0, 0));
        player.broadcastPacket(new MagicSkillLaunched(player, 5103, 1));
      }
    } else if (actualCommand.equalsIgnoreCase("learn_clan_skills")) {
      showPledgeSkillList(player);
    } else if (command.startsWith("Subclass")) {
      // Subclasses may not be changed while a skill is in use.
      if (player.isCastingNow() || player.isAllSkillsDisabled()) {
        player.sendPacket(
            new SystemMessage(SystemMessageId.SUBCLASS_NO_CHANGE_OR_CREATE_WHILE_SKILL_IN_USE));
        return;
      }

      NpcHtmlMessage html = new NpcHtmlMessage(getObjectId());

      if (player.getTransformation() != null) {
        html.setFile(player.getHtmlPrefix(), "data/html/villagemaster/SubClass_NoTransformed.htm");
        player.sendPacket(html);
        return;
      }

      int cmdChoice = 0;
      int paramOne = 0;
      int paramTwo = 0;

      try {
        cmdChoice = Integer.parseInt(command.substring(9, 10).trim());

        int endIndex = command.indexOf(' ', 11);
        if (endIndex == -1) endIndex = command.length();

        paramOne = Integer.parseInt(command.substring(11, endIndex).trim());
        if (command.length() > endIndex)
          paramTwo = Integer.parseInt(command.substring(endIndex).trim());
      } catch (Exception NumberFormatException) {
      }

      switch (cmdChoice) {
        case 0: // Subclass change menu
          html.setFile(player.getHtmlPrefix(), getSubClassMenu(player.getRace()));
          break;
        case 1: // Add Subclass - Initial
          // Avoid giving player an option to add a new sub class, if they have three already.
          if (player.getTotalSubClasses() >= Config.MAX_SUBCLASS) {
            html.setFile(player.getHtmlPrefix(), getSubClassFail());
            break;
          }

          html.setFile(player.getHtmlPrefix(), "data/html/villagemaster/SubClass_Add.htm");
          final StringBuilder content1 = StringUtil.startAppend(200);
          Set<PlayerClass> subsAvailable = getAvailableSubClasses(player);

          if (subsAvailable != null && !subsAvailable.isEmpty()) {
            for (PlayerClass subClass : subsAvailable) {
              StringUtil.append(
                  content1,
                  "<a action=\"bypass -h npc_%objectId%_Subclass 4 ",
                  String.valueOf(subClass.ordinal()),
                  "\" msg=\"1268;",
                  formatClassForDisplay(subClass),
                  "\">",
                  formatClassForDisplay(subClass),
                  "</a><br>");
            }
          } else {
            // TODO: Retail message
            player.sendMessage("There are no sub classes available at this time.");
            return;
          }
          html.replace("%list%", content1.toString());
          break;
        case 2: // Change Class - Initial
          if (player.getSubClasses().isEmpty())
            html.setFile(player.getHtmlPrefix(), "data/html/villagemaster/SubClass_ChangeNo.htm");
          else {
            final StringBuilder content2 = StringUtil.startAppend(200);

            if (checkVillageMaster(player.getBaseClass())) {
              StringUtil.append(
                  content2,
                  "<a action=\"bypass -h npc_%objectId%_Subclass 5 0\">",
                  CharTemplateTable.getInstance().getClassNameById(player.getBaseClass()),
                  "</a><br>");
            }

            for (Iterator<SubClass> subList = iterSubClasses(player); subList.hasNext(); ) {
              SubClass subClass = subList.next();
              if (checkVillageMaster(subClass.getClassDefinition())) {
                StringUtil.append(
                    content2,
                    "<a action=\"bypass -h npc_%objectId%_Subclass 5 ",
                    String.valueOf(subClass.getClassIndex()),
                    "\">",
                    formatClassForDisplay(subClass.getClassDefinition()),
                    "</a><br>");
              }
            }

            if (content2.length() > 0) {
              html.setFile(player.getHtmlPrefix(), "data/html/villagemaster/SubClass_Change.htm");
              html.replace("%list%", content2.toString());
            } else
              html.setFile(
                  player.getHtmlPrefix(), "data/html/villagemaster/SubClass_ChangeNotFound.htm");
          }
          break;
        case 3: // Change/Cancel Subclass - Initial
          if (player.getSubClasses() == null || player.getSubClasses().isEmpty()) {
            html.setFile(
                player.getHtmlPrefix(), "data/html/villagemaster/SubClass_ModifyEmpty.htm");
            break;
          }

          // custom value
          if (player.getTotalSubClasses() > 3) {
            html.setFile(
                player.getHtmlPrefix(), "data/html/villagemaster/SubClass_ModifyCustom.htm");
            final StringBuilder content3 = StringUtil.startAppend(200);
            int classIndex = 1;

            for (Iterator<SubClass> subList = iterSubClasses(player); subList.hasNext(); ) {
              SubClass subClass = subList.next();

              StringUtil.append(
                  content3,
                  "Sub-class ",
                  String.valueOf(classIndex++),
                  "<br>",
                  "<a action=\"bypass -h npc_%objectId%_Subclass 6 ",
                  String.valueOf(subClass.getClassIndex()),
                  "\">",
                  CharTemplateTable.getInstance().getClassNameById(subClass.getClassId()),
                  "</a><br>");
            }
            html.replace("%list%", content3.toString());
          } else {
            // retail html contain only 3 subclasses
            html.setFile(player.getHtmlPrefix(), "data/html/villagemaster/SubClass_Modify.htm");
            if (player.getSubClasses().containsKey(1))
              html.replace(
                  "%sub1%",
                  CharTemplateTable.getInstance()
                      .getClassNameById(player.getSubClasses().get(1).getClassId()));
            else
              html.replace(
                  "<a action=\"bypass -h npc_%objectId%_Subclass 6 1\">%sub1%</a><br>", "");

            if (player.getSubClasses().containsKey(2))
              html.replace(
                  "%sub2%",
                  CharTemplateTable.getInstance()
                      .getClassNameById(player.getSubClasses().get(2).getClassId()));
            else
              html.replace(
                  "<a action=\"bypass -h npc_%objectId%_Subclass 6 2\">%sub2%</a><br>", "");

            if (player.getSubClasses().containsKey(3))
              html.replace(
                  "%sub3%",
                  CharTemplateTable.getInstance()
                      .getClassNameById(player.getSubClasses().get(3).getClassId()));
            else
              html.replace(
                  "<a action=\"bypass -h npc_%objectId%_Subclass 6 3\">%sub3%</a><br>", "");
          }
          break;
        case 4: // Add Subclass - Action (Subclass 4 x[x])
          /*
           * If the character is less than level 75 on any of their previously chosen
           * classes then disallow them to change to their most recently added sub-class choice.
           */

          if (!player.getFloodProtectors().getSubclass().tryPerformAction("add subclass")) {
            _log.warning(
                "Player " + player.getName() + " has performed a subclass change too fast");
            return;
          }

          boolean allowAddition = true;

          if (player.getTotalSubClasses() >= Config.MAX_SUBCLASS) allowAddition = false;

          if (player.getLevel() < 75) allowAddition = false;

          if (allowAddition) {
            if (!player.getSubClasses().isEmpty()) {
              for (Iterator<SubClass> subList = iterSubClasses(player); subList.hasNext(); ) {
                SubClass subClass = subList.next();

                if (subClass.getLevel() < 75) {
                  allowAddition = false;
                  break;
                }
              }
            }
          }

          /*
           * If quest checking is enabled, verify if the character has completed the Mimir's Elixir (Path to Subclass)
           * and Fate's Whisper (A Grade Weapon) quests by checking for instances of their unique reward items.
           *
           * If they both exist, remove both unique items and continue with adding the sub-class.
           */
          if (allowAddition && !Config.ALT_GAME_SUBCLASS_WITHOUT_QUESTS)
            allowAddition = checkQuests(player);

          if (allowAddition && isValidNewSubClass(player, paramOne)) {
            if (!player.addSubClass(paramOne, player.getTotalSubClasses() + 1)) return;

            player.setActiveClass(player.getTotalSubClasses());

            html.setFile(player.getHtmlPrefix(), "data/html/villagemaster/SubClass_AddOk.htm");

            player.sendPacket(
                new SystemMessage(SystemMessageId.ADD_NEW_SUBCLASS)); // Subclass added.
          } else html.setFile(player.getHtmlPrefix(), getSubClassFail());
          break;
        case 5: // Change Class - Action
          /*
           * If the character is less than level 75 on any of their previously chosen
           * classes then disallow them to change to their most recently added sub-class choice.
           *
           * Note: paramOne = classIndex
           */

          if (!player.getFloodProtectors().getSubclass().tryPerformAction("change class")) {
            _log.warning(
                "Player " + player.getName() + " has performed a subclass change too fast");
            return;
          }

          if (player.getClassIndex() == paramOne) {
            html.setFile(player.getHtmlPrefix(), "data/html/villagemaster/SubClass_Current.htm");
            break;
          }

          if (paramOne == 0) {
            if (!checkVillageMaster(player.getBaseClass())) return;
          } else {
            try {
              if (!checkVillageMaster(player.getSubClasses().get(paramOne).getClassDefinition()))
                return;
            } catch (NullPointerException e) {
              return;
            }
          }

          player.setActiveClass(paramOne);

          player.sendPacket(
              new SystemMessage(
                  SystemMessageId.SUBCLASS_TRANSFER_COMPLETED)); // Transfer completed.
          return;
        case 6: // Change/Cancel Subclass - Choice
          // validity check
          if (paramOne < 1 || paramOne > Config.MAX_SUBCLASS) return;

          subsAvailable = getAvailableSubClasses(player);

          // another validity check
          if (subsAvailable == null || subsAvailable.isEmpty()) {
            // TODO: Retail message
            player.sendMessage("There are no sub classes available at this time.");
            return;
          }

          final StringBuilder content6 = StringUtil.startAppend(200);

          for (PlayerClass subClass : subsAvailable) {
            StringUtil.append(
                content6,
                "<a action=\"bypass -h npc_%objectId%_Subclass 7 ",
                String.valueOf(paramOne),
                " ",
                String.valueOf(subClass.ordinal()),
                "\" msg=\"1445;",
                "\">",
                formatClassForDisplay(subClass),
                "</a><br>");
          }

          switch (paramOne) {
            case 1:
              html.setFile(
                  player.getHtmlPrefix(), "data/html/villagemaster/SubClass_ModifyChoice1.htm");
              break;
            case 2:
              html.setFile(
                  player.getHtmlPrefix(), "data/html/villagemaster/SubClass_ModifyChoice2.htm");
              break;
            case 3:
              html.setFile(
                  player.getHtmlPrefix(), "data/html/villagemaster/SubClass_ModifyChoice3.htm");
              break;
            default:
              html.setFile(
                  player.getHtmlPrefix(), "data/html/villagemaster/SubClass_ModifyChoice.htm");
          }
          html.replace("%list%", content6.toString());
          break;
        case 7: // Change Subclass - Action
          /*
           * Warning: the information about this subclass will be removed from the
           * subclass list even if false!
           */

          if (!player.getFloodProtectors().getSubclass().tryPerformAction("change class")) {
            _log.warning(
                "Player " + player.getName() + " has performed a subclass change too fast");
            return;
          }

          if (!isValidNewSubClass(player, paramTwo)) return;

          if (player.modifySubClass(paramOne, paramTwo)) {
            player.abortCast();
            player
                .stopAllEffectsExceptThoseThatLastThroughDeath(); // all effects from old subclass
                                                                  // stopped!
            player.stopCubics();
            player.setActiveClass(paramOne);

            html.setFile(player.getHtmlPrefix(), "data/html/villagemaster/SubClass_ModifyOk.htm");
            html.replace("%name%", CharTemplateTable.getInstance().getClassNameById(paramTwo));

            player.sendPacket(
                new SystemMessage(SystemMessageId.ADD_NEW_SUBCLASS)); // Subclass added.
          } else {
            /*
             * This isn't good! modifySubClass() removed subclass from memory
             * we must update _classIndex! Else IndexOutOfBoundsException can turn
             * up some place down the line along with other seemingly unrelated
             * problems.
             */
            player.setActiveClass(
                0); // Also updates _classIndex plus switching _classid to baseclass.

            player.sendMessage(
                "The sub class could not be added, you have been reverted to your base class.");
            return;
          }
          break;
      }

      html.replace("%objectId%", String.valueOf(getObjectId()));
      player.sendPacket(html);
    } else {
      // this class dont know any other commands, let forward
      // the command to the parent class
      super.onBypassFeedback(player, command);
    }
  }