public GameServerStartup() throws Exception {
    long serverLoadStart = System.currentTimeMillis();

    gameServer = this;

    printSection("Database Engine");
    L2DatabaseFactory.getInstance();

    printSection("IDFactory Engine");
    IdFactory.getInstance();
    _log.log(Level.INFO, "IdFactory: Free ObjectID's remaining: " + IdFactory.getInstance().size());

    ThreadPoolManager.getInstance();

    printSection("Engines");
    ScriptsManager.getInstance();
    ServerPacketOpCodeManager.getInstance();

    printSection("World Engine");
    Colors.loadColors();
    GameTimeController.init();
    InstanceManager.getInstance();
    WorldManager.getInstance();
    MapRegionManager.getInstance();
    Announcements.getInstance();
    GlobalVariablesManager.getInstance();
    AccountShareDataTable.getInstance();
    DynamicSpawnData.getInstance();
    ResidenceFunctionData.getInstance();

    printSection("Skills Engine");
    BuffStackGroupData.getInstance();
    EnchantSkillGroupsTable.getInstance();
    SkillTable.getInstance().load(false);
    SkillTreesData.getInstance();

    printSection("Items Engine");
    ItemTable.getInstance().loadClient();
    ItemTable.getInstance().load(false);
    SummonItemsData.getInstance();
    EnchantBonusData.getInstance();
    BuyListData.getInstance();
    MultiSellData.getInstance();
    RecipeData.getInstance();
    // PrimeShopTable.getInstance(); TODO
    ArmorSetsTable.getInstance();
    FishData.getInstance();
    FishingRodsData.getInstance();
    EnchantItemData.getInstance();
    EnchantEffectTable.getInstance();
    CrystallizationData.getInstance();
    SoulCrystalData.getInstance();
    ShapeShiftingItemsData.getInstance();
    HennaTable.getInstance();
    HennaTreeTable.getInstance();
    AugmentationData.getInstance();
    ItemPriceData.getInstance();
    AbilityPointsData.getInstance();
    AlchemyDataTable.getInstance();

    printSection("Characters Engine");
    CharTemplateTable.getInstance();
    ClassTemplateTable.getInstance();
    CharNameTable.getInstance();
    ExperienceTable.getInstance();
    AdminTable.getInstance();
    RaidBossPointsManager.getInstance();
    RelationListManager.getInstance();
    PetDataTable.getInstance();
    CharSummonTable.getInstance();
    SummonPointsTable.getInstance();
    HitConditionBonus.getInstance();
    ObsceneFilterTable.getInstance();

    printSection("Clans Engine");
    ClanTable.getInstance();
    ClanTable.getInstance().restoreWars();
    ClanHallSiegeManager.getInstance();
    ClanHallManager.getInstance();
    AuctionManager.getInstance();

    printSection("Geodata Engine");
    GeoEngine.init();
    PathFinding.init();
    DoorGeoEngine.init();

    printSection("NPCs Engine");
    HerbDropTable.getInstance();
    NpcTable.getInstance();
    AutoChatDataTable.getInstance();
    NpcWalkerRoutesData.getInstance();
    WalkingManager.getInstance();
    ZoneManager.getInstance();
    StaticObjectsData.getInstance();
    ItemAuctionManager.getInstance();
    CastleManager.getInstance();
    FortManager.getInstance().init();
    SpawnTable.getInstance();
    AutoSpawnHandler.getInstance();
    HellboundManager.getInstance();
    RaidBossSpawnManager.getInstance();
    DayNightSpawnManager.getInstance().trim().notifyChangeMode();
    GrandBossManager.getInstance().initZones();
    FourSepulchersManager.getInstance().init();
    TeleportListTable.getInstance();
    BeautyShopData.getInstance();
    CustomDropListDataXml.getInstance();

    printSection("Residence Siege Engine");
    CastleSiegeManager.getInstance().getSieges();
    FortSpawnList.getInstance();
    FortSiegeManager.getInstance();
    CastleManorManager.getInstance();
    CastleMercTicketManager.getInstance();
    ManorData.getInstance();
    ResidenceSiegeMusicList.getInstance();

    printSection("Olympiad Engine");
    Olympiad.getInstance();
    HeroManager.getInstance();

    printSection("Cache Engine");
    CrestCache.getInstance();
    HtmCache.getInstance();

    PartyMatchWaitingList.getInstance();
    PartyMatchRoomList.getInstance();
    PetitionManager.getInstance();
    CursedWeaponsManager.getInstance();
    CommunityBuffTable.getInstance();
    CommunityTeleportData.getInstance();

    printSection("Mods Engine");
    PcCafePointsManager.getInstance();

    if (Config.MMO_TOP_MANAGER_ENABLED) {
      MMOTopManager.getInstance();
    }
    if (Config.L2_TOP_MANAGER_ENABLED) {
      L2TopManager.getInstance();
    }

    printSection("Handlers Engine");
    ActionHandler.getInstance();
    ActionShiftHandler.getInstance();
    AdminCommandHandler.getInstance();
    BypassCommandManager.getInstance();
    ChatCommandManager.getInstance();
    EffectHandler.getInstance();
    ItemHandler.getInstance();
    SkillHandler.getInstance();
    TargetHandler.getInstance();
    TransformHandler.getInstance();
    UserCommandManager.getInstance();
    VoicedHandlerManager.getInstance();

    printSection("Transformations Engine");
    TransformationManager.getInstance();
    TransformationManager.getInstance().report();

    printSection("Jump Engine");
    CharJumpRoutesTable.getInstance();

    printSection("Commission Engine");
    CommissionManager.getInstance();

    printSection("ClanSearch Engine");
    ClanSearchManager.getInstance();

    printSection("Awakening Engine");
    AwakeningManager.getInstance();

    printSection("World Statistics Engine");
    if (ConfigWorldStatistic.WORLD_STATISTIC_ENABLED) {
      WorldStatisticsManager.getInstance();
    } else {
      _log.log(Level.INFO, "World Statistic Engine Disabled");
    }

    printSection("Quests Engine");
    QuestManager.getInstance();
    DynamicQuestManager.getInstance();
    BoatManager.getInstance();
    AirShipManager.getInstance();
    ShuttleManager.getInstance();
    GraciaSeedsManager.getInstance();
    if (Config.ALLOW_WEDDING) {
      WeddingManager.getInstance();
    }
    AutoChatDataTable.getInstance().setAutoChatActive(true);

    printSection("Scripts Engine");
    ScriptsManager.getInstance().executeCoreScripts();

    TaskManager.getInstance();

    QuestManager.getInstance().report();

    if (Config.SAVE_DROPPED_ITEM) {
      ItemsOnGroundManager.getInstance();
    }

    if (Config.AUTODESTROY_ITEM_AFTER > 0 || Config.HERB_AUTO_DESTROY_TIME > 0) {
      ItemsOnGroundAutoDestroyManager.getInstance();
    }

    CastleManager.getInstance().spawnDoors();
    FortManager.getInstance().spawnDoors();

    if (Config.ALLOW_MAIL) {
      MailManager.getInstance();
    }

    MentorManager.getInstance();
    DuelManager.getInstance();

    Runtime.getRuntime().addShutdownHook(GameServerShutdown.getInstance());

    _log.log(Level.INFO, "IdFactory: Free ObjectID's remaining: " + IdFactory.getInstance().size());

    EventManager.getEventsInstances();

    KnownListUpdateTaskManager.getInstance();

    if ((Config.OFFLINE_TRADE_ENABLE || Config.OFFLINE_CRAFT_ENABLE) && Config.RESTORE_OFFLINERS) {
      OfflineTradersTable.restoreOfflineTraders();
    }

    if (Config.DEADLOCK_DETECTOR) {
      _deadDetectThread = new DeadLockDetector();
      _deadDetectThread.setDaemon(true);
      _deadDetectThread.start();
    } else {
      _deadDetectThread = null;
    }

    printSection("Finalization");
    System.runFinalization();
    System.gc();
    Util.printMemoryInfo();
    Util.printCpuInfo();
    Util.printOSInfo();
    Toolkit.getDefaultToolkit().beep();

    printSection("Server Thread");
    LoginServerThread.getInstance().start();

    SelectorConfig sc = new SelectorConfig();
    sc.MAX_READ_PER_PASS = Config.MMO_MAX_READ_PER_PASS;
    sc.MAX_SEND_PER_PASS = Config.MMO_MAX_SEND_PER_PASS;
    sc.SLEEP_TIME = Config.MMO_SELECTOR_SLEEP_TIME;
    sc.HELPER_BUFFER_COUNT = Config.MMO_HELPER_BUFFER_COUNT;
    sc.TCP_NODELAY = Config.MMO_TCP_NODELAY;

    _gamePacketHandler = new L2GamePacketHandler();
    _selectorThread =
        new SelectorThread<>(
            sc, _gamePacketHandler, _gamePacketHandler, _gamePacketHandler, new IPv4Filter());

    InetAddress bindAddress = null;
    if (!Config.GAMESERVER_HOSTNAME.equals("*")) {
      try {
        bindAddress = InetAddress.getByName(Config.GAMESERVER_HOSTNAME);
      } catch (UnknownHostException e1) {
        _log.log(
            Level.ERROR,
            "GameServerStartup: The GameServer bind address is invalid, using all avaliable IPs. Reason: "
                + e1.getMessage(),
            e1);
      }
    }

    try {
      _selectorThread.openServerSocket(bindAddress, Config.PORT_GAME);
    } catch (IOException e) {
      _log.log(
          Level.FATAL,
          "GameServerStartup:: Failed to open server socket. Reason: " + e.getMessage(),
          e);
      System.exit(1);
    }
    _selectorThread.start();
    _log.log(Level.INFO, "Maximum Numbers of Connected Players: " + Config.MAXIMUM_ONLINE_USERS);
    long serverLoadEnd = System.currentTimeMillis();
    _log.log(
        Level.INFO, "Server Loaded in " + (serverLoadEnd - serverLoadStart) / 1000L + " seconds");

    AutoAnnounceTaskManager.getInstance();

    XMLRPCServer.getInstance();
  }
  @Override
  public void useSkill(L2Character activeChar, L2Skill skill, L2Object[] targets) {
    if (!(activeChar instanceof L2PcInstance)) {
      return;
    }

    boolean isMastersCall = skill.getId() == 23249;

    L2PcInstance activePlayer = activeChar.getActingPlayer();

    if (!isMastersCall && !activePlayer.getSummonFriendController().checkSummonerStatus()) {
      return;
    }

    try {
      for (L2Character target : (L2Character[]) targets) {
        if (target == null || activeChar.equals(target) || !target.isPlayer()) {
          continue;
        }

        if (isMastersCall) // Master's Call
        {
          L2Party party = target.getParty();
          if (party != null) {
            party
                .getMembers()
                .stream()
                .filter(partyMember -> !target.equals(partyMember))
                .forEach(
                    partyMember ->
                        partyMember.teleToLocation(
                            target.getX(), target.getY(), target.getZ(), true));
          } else {
            activePlayer.sendPacket(
                SystemMessage.getSystemMessage(SystemMessageId.S1_CANNOT_BE_USED)
                    .addSkillName(skill));
          }
        } else {
          if (skill.isClanSkill()) // Призыв Клана
          {
            if (!target.getActingPlayer().isInSameClan(activePlayer)) {
              activePlayer.sendPacket(
                  SystemMessage.getSystemMessage(SystemMessageId.S1_CANNOT_BE_USED)
                      .addSkillName(skill));
              continue;
            } else if (!target.getActingPlayer().isInSameParty(activePlayer)) {
              activePlayer.sendPacket(
                  SystemMessage.getSystemMessage(SystemMessageId.S1_CANNOT_BE_USED)
                      .addSkillName(skill));
              continue;
            }
          }

          L2PcInstance targetPlayer = target.getActingPlayer();

          if (!Util.checkIfInRange(500, activeChar, target, false)) {
            if (!targetPlayer.getSummonFriendController().setSummoner(activePlayer, skill)) {
              SystemMessage sm =
                  SystemMessage.getSystemMessage(SystemMessageId.C1_ALREADY_SUMMONED);
              sm.addString(target.getName());
              activePlayer.sendPacket(sm);
            }

            ConfirmDlg confirm =
                new ConfirmDlg(
                    SystemMessageId.C1_WISHES_TO_SUMMON_YOU_FROM_S2_DO_YOU_ACCEPT.getId());
            confirm.addCharName(activeChar);
            confirm.addZoneName(activeChar.getX(), activeChar.getY(), activeChar.getZ());
            confirm.addTime(30000);
            confirm.addRequesterId(activePlayer.getObjectId());
            target.sendPacket(confirm);
            // targetPlayer.getSummonFriendController().teleport();
          }
        }
      }
    } catch (Exception e) {
      _log.log(Level.ERROR, "", e);
    }
  }