void WorldSession::HandleGMTicketCreateOpcode(WorldPacket& recvData)
{
    // Don't accept tickets if the ticket queue is disabled. (Ticket UI is greyed out but not fully dependable)
    if (sTicketMgr->GetStatus() == GMTICKET_QUEUE_STATUS_DISABLED)
        return;

    if (GetPlayer()->getLevel() < sWorld->getIntConfig(CONFIG_TICKET_LEVEL_REQ))
    {
        SendNotification(GetSkyFireString(LANGUAGE_TICKET_REQ), sWorld->getIntConfig(CONFIG_TICKET_LEVEL_REQ));
        return;
    }

    GMTicketResponse response = GMTICKET_RESPONSE_CREATE_ERROR;
    // Player must not have ticket
    if (!sTicketMgr->GetTicketByPlayer(GetPlayer()->GetGUID()))
    {
        GmTicket* ticket = new GmTicket(GetPlayer(), recvData);
        sTicketMgr->AddTicket(ticket);
        sTicketMgr->UpdateLastChange();

        sWorld->SendGMText(LANGUAGE_COMMAND_TICKETNEW, GetPlayer()->GetName(), ticket->GetId());

        response = GMTICKET_RESPONSE_CREATE_SUCCESS;
    }

    WorldPacket data(SMSG_GMTICKET_CREATE, 4);
    data << uint32(response);
    SendPacket(&data);
}

void ChatHandler::PSendSysMessage(int32 entry, ...)
{
    const char *format = GetSkyFireString(entry);
    va_list ap;
    char str [2048];
    va_start(ap, entry);
    vsnprintf(str, 2048, format, ap);
    va_end(ap);
    SendSysMessage(str);
}

// global announce
bool ChatHandler::HandleAnnounceCommand(const char* args)
{
    if (!*args)
        return false;

    char buff[2048];
    sprintf(buff, GetSkyFireString(LANG_SYSTEMMESSAGE), args);
    sWorld->SendServerMessage(SERVER_MSG_STRING, buff);
    return true;
}

bool ChatHandler::HandleLookupEventCommand(const char* args)
{
    if (!*args)
        return false;

    std::string namepart = args;
    std::wstring wnamepart;

    // converting string that we try to find to lower case
    if (!Utf8toWStr(namepart, wnamepart))
        return false;

    wstrToLower(wnamepart);

    bool found = false;
    uint32 count = 0;
    uint32 maxResults = sWorld->getIntConfig(CONFIG_MAX_RESULTS_LOOKUP_COMMANDS);

    GameEventMgr::GameEventDataMap const& events = sGameEventMgr->GetEventMap();
    GameEventMgr::ActiveEvents const& activeEvents = sGameEventMgr->GetActiveEventList();

    for (uint32 id = 0; id < events.size(); ++id)
    {
        GameEventData const& eventData = events[id];

        std::string descr = eventData.description;
        if (descr.empty())
            continue;

        if (Utf8FitTo(descr, wnamepart))
        {
            if (maxResults && count++ == maxResults)
            {
                PSendSysMessage(LANG_COMMAND_LOOKUP_MAX_RESULTS, maxResults);
                return true;
            }

            char const* active = activeEvents.find(id) != activeEvents.end() ? GetSkyFireString(LANG_ACTIVE) : "";

            if (m_session)
                PSendSysMessage(LANG_EVENT_ENTRY_LIST_CHAT, id, id, eventData.description.c_str(), active);
            else
                PSendSysMessage(LANG_EVENT_ENTRY_LIST_CONSOLE, id, eventData.description.c_str(), active);

            if (!found)
                found = true;
        }
    }

    if (!found)
        SendSysMessage(LANG_NOEVENTFOUND);

    return true;
}

bool ChatHandler::HandleCharacterTitlesCommand(const char* args)
{
    if (!*args)
        return false;

    Player* target;
    if (!extractPlayerTarget((char*)args, &target))
        return false;

    LocaleConstant loc = GetSessionDbcLocale();
    char const* targetName = target->GetName();
    char const* knownStr = GetSkyFireString(LANG_KNOWN);

    // Search in CharTitles.dbc
    for (uint32 id = 0; id < sCharTitlesStore.GetNumRows(); id++)
    {
        CharTitlesEntry const *titleInfo = sCharTitlesStore.LookupEntry(id);
        if (titleInfo && target->HasTitle(titleInfo))
        {
            std::string name = titleInfo->name;
            if (name.empty())
                continue;

            char const* activeStr = target && target->GetUInt32Value(PLAYER_CHOSEN_TITLE) == titleInfo->bit_index
                ? GetSkyFireString(LANG_ACTIVE)
                : "";

            char titleNameStr[80];
            snprintf(titleNameStr, 80, name.c_str(), targetName);

            // send title in "id (idx:idx) - [namedlink locale]" format
            if (m_session)
                PSendSysMessage(LANG_TITLE_LIST_CHAT, id, titleInfo->bit_index, id, titleNameStr, localeNames[loc], knownStr, activeStr);
            else
                PSendSysMessage(LANG_TITLE_LIST_CONSOLE, id, titleInfo->bit_index, name.c_str(), localeNames[loc], knownStr, activeStr);
        }
    }
    return true;
}

//notification player at the screen
bool ChatHandler::HandleNotifyCommand(const char* args)
{
    if (!*args)
        return false;

    std::string str = GetSkyFireString(LANG_GLOBAL_NOTIFY);
    str += args;

    WorldPacket data(SMSG_NOTIFICATION, (str.size()+1));
    data << str;
    sWorld->SendGlobalMessage(&data);

    return true;
}

void WorldSession::SendNotification(uint32 string_id, ...)
{
    char const* format = GetSkyFireString(string_id);
    if (format)
    {
        va_list ap;
        char szStr [1024];
        szStr[0] = '\0';
        va_start(ap, string_id);
        vsnprintf(szStr, 1024, format, ap);
        va_end(ap);

        WorldPacket data(SMSG_NOTIFICATION, (strlen(szStr)+1));
        data << szStr;
        SendPacket(&data);
    }
}

//this void causes that auction window is opened
void WorldSession::SendAuctionHello(uint64 guid, Creature* unit)
{
    if (GetPlayer()->getLevel() < sWorld->getIntConfig(CONFIG_AUCTION_LEVEL_REQ))
    {
        SendNotification(GetSkyFireString(LANG_AUCTION_REQ), sWorld->getIntConfig(CONFIG_AUCTION_LEVEL_REQ));
        return;
    }

    AuctionHouseEntry const* ahEntry = AuctionHouseMgr::GetAuctionHouseEntry(unit->getFaction());
    if (!ahEntry)
        return;

    WorldPacket data(MSG_AUCTION_HELLO, 12);
    data << uint64(guid);
    data << uint32(ahEntry->houseId);
    data << uint8(1);                                       // 3.3.3: 1 - AH enabled, 0 - AH disabled
    SendPacket(&data);
}

void WorldSession::SendNameQueryOpcode(uint64 guid)
{
    Player* player = NULL;
    const CharacterNameData* nameData = sWorld->GetCharacterNameData(GUID_LOPART(guid));
    if (nameData)
        player = ObjectAccessor::FindPlayer(guid);

                                                            // guess size
    WorldPacket data(SMSG_NAME_QUERY_RESPONSE, (8+1+1+1+1+1+10));
    data.appendPackGUID(guid);
    data << uint8(0);                                       // added in 3.1
    if (nameData)
    {
        data << nameData->m_name;                                   // played name
        data << uint8(0);                                           // realm name for cross realm BG usage
        data << uint8(nameData->m_race);
        data << uint8(nameData->m_gender);
        data << uint8(nameData->m_class);
    }
    else
    {
        data << std::string(GetSkyFireString(LANG_NON_EXIST_CHARACTER));
        data << uint32(0);
    }

    if (player)
    {
        if (DeclinedName const* names = player->GetDeclinedNames())
        {
            data << uint8(1);                                   // is declined
            for (int i = 0; i < MAX_DECLINED_NAME_CASES; ++i)
                data << names->name[i];
        }
        else
            data << uint8(0);                                   // is not declined
    }
    else //TODO: decline names may also need to be stored in char name data
        data << uint8(0);

    SendPacket(&data);
}

void WorldSession::SendNameQueryOpcodeFromDBCallBack(QueryResult result)
{
    if (!result)
        return;

    Field *fields = result->Fetch();
    uint32 guid      = fields[0].GetUInt32();
    std::string name = fields[1].GetString();
    uint8 pRace = 0, pGender = 0, pClass = 0;
    if (name == "")
        name         = GetSkyFireString(LANG_NON_EXIST_CHARACTER);
    else
    {
        pRace        = fields[2].GetUInt8();
        pGender      = fields[3].GetUInt8();
        pClass       = fields[4].GetUInt8();
    }
                                                            // guess size
    WorldPacket data(SMSG_NAME_QUERY_RESPONSE, (8+1+1+1+1+1+1+10));
    data.appendPackGUID(MAKE_NEW_GUID(guid, 0, HIGHGUID_PLAYER));
    data << uint8(0);                                       // added in 3.1
    data << name;
    data << uint8(0);                                       // realm name for cross realm BG usage
    data << uint8(pRace);                                   // race
    data << uint8(pGender);                                 // gender
    data << uint8(pClass);                                  // class

    // if the first declined name field (5) is empty, the rest must be too
    if (sWorld->getBoolConfig(CONFIG_DECLINED_NAMES_USED) && fields[5].GetString() != "")
    {
        data << uint8(1);                                   // is declined
        for (int i = 5; i < MAX_DECLINED_NAME_CASES+5; ++i)
            data << fields[i].GetString();
    }
    else
        data << uint8(0);                                   // is not declined

    SendPacket(&data);
}

void WorldSession::HandleInitiateTradeOpcode(WorldPacket& recvPacket)
{
    ObjectGuid guid;

    guid[5] = recvPacket.ReadBit();
    guid[1] = recvPacket.ReadBit();
    guid[4] = recvPacket.ReadBit();
    guid[2] = recvPacket.ReadBit();
    guid[3] = recvPacket.ReadBit();
    guid[7] = recvPacket.ReadBit();
    guid[0] = recvPacket.ReadBit();
    guid[6] = recvPacket.ReadBit();

    recvPacket.ReadByteSeq(guid[4]);
    recvPacket.ReadByteSeq(guid[6]);
    recvPacket.ReadByteSeq(guid[2]);
    recvPacket.ReadByteSeq(guid[0]);
    recvPacket.ReadByteSeq(guid[3]);
    recvPacket.ReadByteSeq(guid[7]);
    recvPacket.ReadByteSeq(guid[5]);
    recvPacket.ReadByteSeq(guid[1]);

    if (GetPlayer()->m_trade)
        return;

    if (!GetPlayer()->IsAlive())
    {
        SendTradeStatus(TRADE_STATUS_DEAD);
        return;
    }

    if (GetPlayer()->HasUnitState(UNIT_STATE_STUNNED))
    {
        SendTradeStatus(TRADE_STATUS_STUNNED);
        return;
    }

    if (isLogingOut())
    {
        SendTradeStatus(TRADE_STATUS_LOGGING_OUT);
        return;
    }

    if (GetPlayer()->IsInFlight())
    {
        SendTradeStatus(TRADE_STATUS_TOO_FAR_AWAY);
        return;
    }

    if (GetPlayer()->getLevel() < sWorld->getIntConfig(CONFIG_TRADE_LEVEL_REQ))
    {
        SendNotification(GetSkyFireString(LANG_TRADE_REQ), sWorld->getIntConfig(CONFIG_TRADE_LEVEL_REQ));
        return;
    }

    Player* pOther = ObjectAccessor::FindPlayer(guid);

    if (!pOther)
    {
        SendTradeStatus(TRADE_STATUS_PLAYER_NOT_FOUND);
        return;
    }

    if (pOther == GetPlayer() || pOther->m_trade)
    {
        SendTradeStatus(TRADE_STATUS_ALREADY_TRADING);
        return;
    }

    if (!pOther->IsAlive())
    {
        SendTradeStatus(TRADE_STATUS_TARGET_DEAD);
        return;
    }

    if (pOther->IsInFlight())
    {
        SendTradeStatus(TRADE_STATUS_TOO_FAR_AWAY);
        return;
    }

    if (pOther->HasUnitState(UNIT_STATE_STUNNED))
    {
        SendTradeStatus(TRADE_STATUS_TARGET_STUNNED);
        return;
    }

    if (pOther->GetSession()->isLogingOut())
    {
        SendTradeStatus(TRADE_STATUS_TARGET_LOGGING_OUT);
        return;
    }

    if (pOther->GetSocial()->HasIgnore(GetPlayer()->GetGUIDLow()))
    {
        SendTradeStatus(TRADE_STATUS_PLAYER_IGNORED);
        return;
    }

    if (!sWorld->getBoolConfig(CONFIG_ALLOW_TWO_SIDE_TRADE) && pOther->GetTeam() !=_player->GetTeam())
//.........这里部分代码省略.........

//Enable\Dissable accept whispers (for GM)
bool ChatHandler::HandleWhispersCommand(const char* args)
{
    if (!*args)
    {
        PSendSysMessage(LANG_COMMAND_WHISPERACCEPTING, m_session->GetPlayer()->isAcceptWhispers() ?  GetSkyFireString(LANG_ON) : GetSkyFireString(LANG_OFF));
        return true;
    }

    std::string argstr = (char*)args;
    // whisper on
    if (argstr == "on")
    {
        m_session->GetPlayer()->SetAcceptWhispers(true);
        SendSysMessage(LANG_COMMAND_WHISPERON);
        return true;
    }

    // whisper off
    if (argstr == "off")
    {
        // Remove all players from the Gamemaster's whisper whitelist
        m_session->GetPlayer()->ClearWhisperWhiteList();
        m_session->GetPlayer()->SetAcceptWhispers(false);
        SendSysMessage(LANG_COMMAND_WHISPEROFF);
        return true;
    }

    SendSysMessage(LANG_USE_BOL);
    SetSentErrorMessage(true);
    return false;
}

//show info of player
bool ChatHandler::HandlePInfoCommand(const char* args)
{
    Player* target;
    uint64 target_guid;
    std::string target_name;

    uint32 parseGUID = MAKE_NEW_GUID(atol((char*)args), 0, HIGHGUID_PLAYER);

    if (sObjectMgr->GetPlayerNameByGUID(parseGUID, target_name))
    {
        target = sObjectMgr->GetPlayerByLowGUID(parseGUID);
        target_guid = parseGUID;
    }
    else if (!extractPlayerTarget((char*)args, &target, &target_guid, &target_name))
        return false;

    uint32 accId = 0;
    uint32 money = 0;
    uint32 total_player_time = 0;
    uint8 level = 0;
    uint32 latency = 0;
    uint8 race;
    uint8 Class;
    int64 muteTime = 0;
    int64 banTime = -1;
    uint32 mapId;
    uint32 areaId;
    uint32 phase = 0;

    // get additional information from Player object
    if (target)
    {
        // check online security
        if (HasLowerSecurity(target, 0))
            return false;

        accId = target->GetSession()->GetAccountId();
        money = target->GetMoney();
        total_player_time = target->GetTotalPlayedTime();
        level = target->getLevel();
        latency = target->GetSession()->GetLatency();
        race = target->getRace();
        Class = target->getClass();
        muteTime = target->GetSession()->m_muteTime;
        mapId = target->GetMapId();
        areaId = target->GetAreaId();
        phase = target->GetPhaseMask();
    }
    // get additional information from DB
    else
    {
        // check offline security
        if (HasLowerSecurity(NULL, target_guid))
            return false;

        //                                                     0          1      2      3        4     5      6    7
        QueryResult result = CharacterDatabase.PQuery("SELECT totaltime, level, money, account, race, class, map, zone FROM characters "
                                                      "WHERE guid = '%u'", GUID_LOPART(target_guid));
        if (!result)
            return false;

        Field *fields = result->Fetch();
        total_player_time = fields[0].GetUInt32();
        level = fields[1].GetUInt32();
        money = fields[2].GetUInt32();
        accId = fields[3].GetUInt32();
        race = fields[4].GetUInt8();
        Class = fields[5].GetUInt8();
        mapId = fields[6].GetUInt16();
        areaId = fields[7].GetUInt16();
    }

    std::string username = GetSkyFireString(LANG_ERROR);
    std::string email = GetSkyFireString(LANG_ERROR);
    std::string last_ip = GetSkyFireString(LANG_ERROR);
    uint32 security = 0;
    std::string last_login = GetSkyFireString(LANG_ERROR);

    QueryResult result = LoginDatabase.PQuery("SELECT a.username, af.Security, a.email, a.last_ip, a.last_login, a.mutetime "
                                                "FROM account a "
                                                "LEFT JOIN account_forcepermission af "
                                                "ON (a.id = af.AccountID AND (af.realmID = -1 OR af.realmID = %u)) "
                                                "WHERE a.id = '%u'", realmID, accId);
    if (result)
    {
        Field* fields = result->Fetch();
        username = fields[0].GetString();
        security = fields[1].GetUInt32();
        email = fields[2].GetString();
        muteTime = fields[5].GetUInt64();

        if (email.empty())
            email = "-";

        if (!m_session || m_session->GetSecurity() >= AccountTypes(security))
        {
            last_ip = fields[3].GetString();
            last_login = fields[4].GetString();
        }
//.........这里部分代码省略.........

bool ChatHandler::HandleLookupTitleCommand(const char* args)
{
    if (!*args)
        return false;

    // can be NULL in console call
    Player* target = getSelectedPlayer();

    // title name have single string arg for player name
    char const* targetName = target ? target->GetName() : "NAME";

    std::string namepart = args;
    std::wstring wnamepart;

    if (!Utf8toWStr(namepart, wnamepart))
        return false;

    // converting string that we try to find to lower case
    wstrToLower(wnamepart);

    uint32 counter = 0;                                     // Counter for figure out that we found smth.
    uint32 maxResults = sWorld->getIntConfig(CONFIG_MAX_RESULTS_LOOKUP_COMMANDS);

    // Search in CharTitles.dbc
    for (uint32 id = 0; id < sCharTitlesStore.GetNumRows(); id++)
    {
        CharTitlesEntry const *titleInfo = sCharTitlesStore.LookupEntry(id);
        if (titleInfo)
        {
            int loc = GetSessionDbcLocale();
            std::string name = titleInfo->name;
            if (name.empty())
                continue;

            if (!Utf8FitTo(name, wnamepart))
            {
                loc = 0;
                for (; loc < TOTAL_LOCALES; ++loc)
                {
                    if (loc == GetSessionDbcLocale())
                        continue;

                    name = titleInfo->name[loc];
                    if (name.empty())
                        continue;

                    if (Utf8FitTo(name, wnamepart))
                        break;
                }
            }

            if (loc < TOTAL_LOCALES)
            {
                if (maxResults && counter == maxResults)
                {
                    PSendSysMessage(LANG_COMMAND_LOOKUP_MAX_RESULTS, maxResults);
                    return true;
                }

                char const* knownStr = target && target->HasTitle(titleInfo) ? GetSkyFireString(LANG_KNOWN) : "";

                char const* activeStr = target && target->GetUInt32Value(PLAYER_CHOSEN_TITLE) == titleInfo->bit_index
                    ? GetSkyFireString(LANG_ACTIVE)
                    : "";

                char titleNameStr[80];
                snprintf(titleNameStr, 80, name.c_str(), targetName);

                // send title in "id (idx:idx) - [namedlink locale]" format
                if (m_session)
                    PSendSysMessage(LANG_TITLE_LIST_CHAT, id, titleInfo->bit_index, id, titleNameStr, localeNames[loc], knownStr, activeStr);
                else
                    PSendSysMessage(LANG_TITLE_LIST_CONSOLE, id, titleInfo->bit_index, titleNameStr, localeNames[loc], knownStr, activeStr);

                ++counter;
            }
        }
    }
    if (counter == 0)                                       // if counter == 0 then we found nth
        SendSysMessage(LANG_COMMAND_NOTITLEFOUND);
    return true;
}

void WorldSession::HandleMessagechatOpcode(WorldPacket & recv_data)
{
    uint32 type = 0;
    uint32 lang;

    // Les types sont maintenant ger�s par opcode, un opcode par type
    // Changement en place depuis la 4.0.1 13164
    switch(recv_data.GetOpcode())
    {
    case CMSG_MESSAGECHAT_SAY:
        type = CHAT_MSG_SAY;
        break;
    case CMSG_MESSAGECHAT_YELL:
        type = CHAT_MSG_YELL;
        break;
    case CMSG_MESSAGECHAT_CHANNEL:
        type = CHAT_MSG_CHANNEL;
        break;
    case CMSG_MESSAGECHAT_WHISPER:
        type = CHAT_MSG_WHISPER;
        break;
    case CMSG_MESSAGECHAT_GUILD:
        type = CHAT_MSG_GUILD;
        break;
    case CMSG_MESSAGECHAT_OFFICER:
        type = CHAT_MSG_OFFICER;
        break;
    case CMSG_MESSAGECHAT_AFK:
        type = CHAT_MSG_AFK;
        break;
    case CMSG_MESSAGECHAT_DND:
        type = CHAT_MSG_DND;
        break;
    case CMSG_MESSAGECHAT_EMOTE:
        type = CHAT_MSG_EMOTE;
        break;
    case CMSG_MESSAGECHAT_PARTY:
        type = CHAT_MSG_PARTY;
        break;
    case CMSG_MESSAGECHAT_PARTY_LEADER:
        type = CHAT_MSG_PARTY_LEADER;
        break;
    case CMSG_MESSAGECHAT_RAID:
        type = CHAT_MSG_RAID;
        break;
    case CMSG_MESSAGECHAT_RAID_LEADER:
        type = CHAT_MSG_RAID_LEADER;
        break;
    case CMSG_MESSAGECHAT_BATTLEGROUND:
        type = CHAT_MSG_BATTLEGROUND;
        break;
    case CMSG_MESSAGECHAT_BATTLEGROUND_LEADER:
        type = CHAT_MSG_BATTLEGROUND_LEADER;
        break;
    case CMSG_MESSAGECHAT_RAID_WARNING:
        type = CHAT_MSG_RAID_WARNING;
        break;
    default:
        sLog->outDetail("HandleMessagechatOpcode : Unknown chat opcode (%u)", recv_data.GetOpcode());
        recv_data.hexlike();
        return;
    }

    // no language for AFK and DND messages
    if (type == CHAT_MSG_AFK)
    {
        std::string msg;
        recv_data >> msg;

        if ((msg.empty() || !_player->isAFK()) && !_player->isInCombat())
        {
            if (!_player->isAFK())
            {
                if (msg.empty())
                    msg  = GetSkyFireString(LANG_PLAYER_AFK_DEFAULT);
                _player->afkMsg = msg;
            }

            sScriptMgr->OnPlayerChat(_player, type, LANG_UNIVERSAL, msg);

            _player->ToggleAFK();
            if (_player->isAFK() && _player->isDND())
                _player->ToggleDND();
        }
        return;
    }

void WorldSession::HandleInitiateTradeOpcode(WorldPacket& recvPacket)
{
    if (GetPlayer()->m_trade)
        return;

    uint64 ID;

    if (!GetPlayer()->isAlive())
    {
        SendTradeStatus(TRADE_STATUS_YOU_DEAD);
        return;
    }

    if (GetPlayer()->HasUnitState(UNIT_STAT_STUNNED))
    {
        SendTradeStatus(TRADE_STATUS_YOU_STUNNED);
        return;
    }

    if (isLogingOut())
    {
        SendTradeStatus(TRADE_STATUS_YOU_LOGOUT);
        return;
    }

    if (GetPlayer()->isInFlight())
    {
        SendTradeStatus(TRADE_STATUS_TARGET_TO_FAR);
        return;
    }

    if (GetPlayer()->getLevel() < sWorld->getIntConfig(CONFIG_TRADE_LEVEL_REQ))
    {
        SendNotification(GetSkyFireString(LANG_TRADE_REQ), sWorld->getIntConfig(CONFIG_TRADE_LEVEL_REQ));
        return;
    }

    recvPacket >> ID;

    Player* pOther = ObjectAccessor::FindPlayer(ID);

    if (!pOther)
    {
        SendTradeStatus(TRADE_STATUS_NO_TARGET);
        return;
    }

    if (pOther == GetPlayer() || pOther->m_trade)
    {
        SendTradeStatus(TRADE_STATUS_BUSY);
        return;
    }

    if (!pOther->isAlive())
    {
        SendTradeStatus(TRADE_STATUS_TARGET_DEAD);
        return;
    }

    if (pOther->isInFlight())
    {
        SendTradeStatus(TRADE_STATUS_TARGET_TO_FAR);
        return;
    }

    if (pOther->HasUnitState(UNIT_STAT_STUNNED))
    {
        SendTradeStatus(TRADE_STATUS_TARGET_STUNNED);
        return;
    }

    if (pOther->GetSession()->isLogingOut())
    {
        SendTradeStatus(TRADE_STATUS_TARGET_LOGOUT);
        return;
    }

    if (pOther->GetSocial()->HasIgnore(GetPlayer()->GetGUIDLow()))
    {
        SendTradeStatus(TRADE_STATUS_IGNORE_YOU);
        return;
    }

    if (!sWorld->getBoolConfig(CONFIG_ALLOW_TWO_SIDE_TRADE) && pOther->GetTeam() !=_player->GetTeam())
    {
        SendTradeStatus(TRADE_STATUS_WRONG_FACTION);
        return;
    }

    if (!pOther->IsWithinDistInMap(_player, 10.0f, false))
    {
        SendTradeStatus(TRADE_STATUS_TARGET_TO_FAR);
        return;
    }

    if (pOther->getLevel() < sWorld->getIntConfig(CONFIG_TRADE_LEVEL_REQ))
    {
        SendNotification(GetSkyFireString(LANG_TRADE_OTHER_REQ), sWorld->getIntConfig(CONFIG_TRADE_LEVEL_REQ));
        return;
    }
//.........这里部分代码省略.........

void WorldSession::HandleSendMail(WorldPacket& recvData)
{
    ObjectGuid mailbox;
    uint64 money, COD;
    std::string receiverName, subject, body;
    uint32 bodyLength, subjectLength, receiverLength;
    uint32 unk1, unk2;
    uint8 itemCount;

    recvData >> unk1 >> unk2;                       // both unknown
    recvData >> COD >> money;                       // money and cod

    mailbox[0] = recvData.ReadBit();
    mailbox[6] = recvData.ReadBit();
    mailbox[4] = recvData.ReadBit();
    mailbox[1] = recvData.ReadBit();
    bodyLength = recvData.ReadBits(11);
    mailbox[3] = recvData.ReadBit();
    receiverLength = recvData.ReadBits(9);
    mailbox[7] = recvData.ReadBit();
    mailbox[5] = recvData.ReadBit();
    itemCount = recvData.ReadBits(5);               // attached items count

    if (itemCount > MAX_MAIL_ITEMS)                 // client limit
    {
        GetPlayer()->SendMailResult(0, MAIL_SEND, MAIL_ERR_TOO_MANY_ATTACHMENTS);
        recvData.rfinish();                         // set to end to avoid warnings spam
        return;
    }

    ObjectGuid itemGuids[MAX_MAIL_ITEMS];
    for (uint8 i = 0; i < itemCount; ++i)
    {
        itemGuids[i][1] = recvData.ReadBit();
        itemGuids[i][7] = recvData.ReadBit();
        itemGuids[i][2] = recvData.ReadBit();
        itemGuids[i][5] = recvData.ReadBit();
        itemGuids[i][0] = recvData.ReadBit();
        itemGuids[i][6] = recvData.ReadBit();
        itemGuids[i][3] = recvData.ReadBit();
        itemGuids[i][4] = recvData.ReadBit();
    }

    subjectLength = recvData.ReadBits(9);
    mailbox[2] = recvData.ReadBit();

    for (uint8 i = 0; i < itemCount; ++i)
    {
        recvData.read_skip<uint8>();                // item slot in mail, not used
        recvData.ReadByteSeq(itemGuids[i][3]);
        recvData.ReadByteSeq(itemGuids[i][0]);
        recvData.ReadByteSeq(itemGuids[i][2]);
        recvData.ReadByteSeq(itemGuids[i][1]);
        recvData.ReadByteSeq(itemGuids[i][6]);
        recvData.ReadByteSeq(itemGuids[i][5]);
        recvData.ReadByteSeq(itemGuids[i][7]);
        recvData.ReadByteSeq(itemGuids[i][4]);
    }

    recvData.ReadByteSeq(mailbox[1]);
    body = recvData.ReadString(bodyLength);
    recvData.ReadByteSeq(mailbox[0]);
    subject = recvData.ReadString(subjectLength);
    recvData.ReadByteSeq(mailbox[2]);
    recvData.ReadByteSeq(mailbox[6]);
    recvData.ReadByteSeq(mailbox[5]);
    recvData.ReadByteSeq(mailbox[7]);
    recvData.ReadByteSeq(mailbox[3]);
    recvData.ReadByteSeq(mailbox[4]);
    receiverName = recvData.ReadString(receiverLength);

    // packet read complete, now do check

    if (!GetPlayer()->GetGameObjectIfCanInteractWith(mailbox, GAMEOBJECT_TYPE_MAILBOX))
        return;

    if (receiverName.empty())
        return;

    Player* player = _player;

    if (player->getLevel() < sWorld->getIntConfig(CONFIG_MAIL_LEVEL_REQ))
    {
        SendNotification(GetSkyFireString(LANG_MAIL_SENDER_REQ), sWorld->getIntConfig(CONFIG_MAIL_LEVEL_REQ));
        return;
    }

    uint64 receiverGuid = 0;
    if (normalizePlayerName(receiverName))
        receiverGuid = sObjectMgr->GetPlayerGUIDByName(receiverName);

    if (!receiverGuid)
    {
        SF_LOG_INFO("network", "Player %u is sending mail to %s (GUID: not existed!) with subject %s "
            "and body %s includes %u items, " UI64FMTD " copper and " UI64FMTD " COD copper with unk1 = %u, unk2 = %u",
            player->GetGUIDLow(), receiverName.c_str(), subject.c_str(), body.c_str(),
            itemCount, money, COD, unk1, unk2);
        player->SendMailResult(0, MAIL_SEND, MAIL_ERR_RECIPIENT_NOT_FOUND);
        return;
    }
//.........这里部分代码省略.........

void WorldSession::HandleSendMail(WorldPacket & recv_data)
{
    uint64 mailbox, unk3, money, COD;
    std::string receiver, subject, body;
    uint32 unk1, unk2;
    uint8 unk4;
    recv_data >> mailbox;
    recv_data >> receiver;

    recv_data >> subject;

    recv_data >> body;

    recv_data >> unk1;                                      // stationery?
    recv_data >> unk2;                                      // 0x00000000

    uint8 items_count;
    recv_data >> items_count;                               // attached items count

    if (items_count > MAX_MAIL_ITEMS)                       // client limit
    {
        GetPlayer()->SendMailResult(0, MAIL_SEND, MAIL_ERR_TOO_MANY_ATTACHMENTS);
        recv_data.rpos(recv_data.wpos());                   // set to end to avoid warnings spam
        return;
    }

    uint64 itemGUIDs[MAX_MAIL_ITEMS];

    for (uint8 i = 0; i < items_count; ++i)
    {
        recv_data.read_skip<uint8>();                       // item slot in mail, not used
        recv_data >> itemGUIDs[i];
    }

    recv_data >> money >> COD;                              // money and cod
    recv_data >> unk3;                                      // const 0
    recv_data >> unk4;                                      // const 0

    // packet read complete, now do check

    if (!GetPlayer()->GetGameObjectIfCanInteractWith(mailbox, GAMEOBJECT_TYPE_MAILBOX))
        return;

    if (receiver.empty())
        return;

    Player* pl = _player;

    if (pl->getLevel() < sWorld->getIntConfig(CONFIG_MAIL_LEVEL_REQ))
    {
        SendNotification(GetSkyFireString(LANG_MAIL_SENDER_REQ), sWorld->getIntConfig(CONFIG_MAIL_LEVEL_REQ));
        return;
    }

    uint64 rc = 0;
    if (normalizePlayerName(receiver))
        rc = sObjectMgr->GetPlayerGUIDByName(receiver);

    if (!rc)
    {
        sLog->outDetail("Player %u is sending mail to %s (GUID: not existed!) with subject %s and body %s includes %u items,  "UI64FMTD" copper and  "UI64FMTD" COD copper with unk1 = %u, unk2 = %u",
            pl->GetGUIDLow(), receiver.c_str(), subject.c_str(), body.c_str(), items_count, money, COD, unk1, unk2);
        pl->SendMailResult(0, MAIL_SEND, MAIL_ERR_RECIPIENT_NOT_FOUND);
        return;
    }

    sLog->outDetail("Player %u is sending mail to %s (GUID: %u) with subject %s and body %s includes %u items,  "UI64FMTD" copper and  "UI64FMTD" COD copper with unk1 = %u, unk2 = %u", pl->GetGUIDLow(), receiver.c_str(), GUID_LOPART(rc), subject.c_str(), body.c_str(), items_count, money, COD, unk1, unk2);

    if (pl->GetGUID() == rc)
    {
        pl->SendMailResult(0, MAIL_SEND, MAIL_ERR_CANNOT_SEND_TO_SELF);
        return;
    }

    uint32 cost = items_count ? 30 * items_count : 30;  // price hardcoded in client

    uint64 reqmoney = cost + money;

    if (!pl->HasEnoughMoney(uint32(reqmoney)))
    {
        pl->SendMailResult(0, MAIL_SEND, MAIL_ERR_NOT_ENOUGH_MONEY);
        return;
    }

    Player *receive = sObjectMgr->GetPlayer(rc);

    uint32 rc_team = 0;
    uint8 mails_count = 0;                                  //do not allow to send to one player more than 100 mails
    uint8 receiveLevel = 0;

    if (receive)
    {
        rc_team = receive->GetTeam();
        mails_count = receive->GetMailSize();
        receiveLevel = receive->getLevel();
    }
    else
    {
        rc_team = sObjectMgr->GetPlayerTeamByGUID(rc);
        if (QueryResult result = CharacterDatabase.PQuery("SELECT COUNT(*) FROM mail WHERE receiver = '%u'", GUID_LOPART(rc)))
//.........这里部分代码省略.........

void WorldSession::SendTrainerList(uint64 guid)
{
    std::string str = GetSkyFireString(LANG_NPC_TAINER_HELLO);
    SendTrainerList(guid, str);
}

void ChatHandler::SendSysMessage(int32 entry)
{
    SendSysMessage(GetSkyFireString(entry));
}