void WorldSession::SendLfgUpdateSearch(bool update)
{
    sLog->outDebug(LOG_FILTER_NETWORKIO, "SMSG_LFG_UPDATE_SEARCH [" UI64FMTD "] update: %u", GetPlayer()->GetGUID(), update ? 1 : 0);
    WorldPacket data(SMSG_LFG_UPDATE_SEARCH, 1);
    data << uint8(update);                                 // In Lfg Queue?
    SendPacket(&data);
}

void WorldSession::HandlePetSpellAutocastOpcode(WorldPacket& recvPacket)
{
    sLog->outDetail("CMSG_PET_SPELL_AUTOCAST");
    uint64 guid;
    uint32 spellid;
    uint8  state;                                           //1 for on, 0 for off
    recvPacket >> guid >> spellid >> state;

    if (!_player->GetGuardianPet() && !_player->GetCharm())
        return;

    if (ObjectAccessor::FindPlayer(guid))
        return;

    Creature* pet=ObjectAccessor::GetCreatureOrPetOrVehicle(*_player, guid);

    if (!pet || (pet != _player->GetGuardianPet() && pet != _player->GetCharm()))
    {
        sLog->outError("HandlePetSpellAutocastOpcode.Pet %u isn't pet of player %s .", uint32(GUID_LOPART(guid)), GetPlayer()->GetName());
        return;
    }

    SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(spellid);
    // do not add not learned spells/ passive spells
    if (!pet->HasSpell(spellid) || spellInfo->IsAutocastable())
        return;

    CharmInfo* charmInfo = pet->GetCharmInfo();
    if (!charmInfo)
    {
        sLog->outError("WorldSession::HandlePetSpellAutocastOpcod: object (GUID: %u TypeId: %u) is considered pet-like but doesn't have a charminfo!", pet->GetGUIDLow(), pet->GetTypeId());
        return;
    }

    if (pet->isPet())
        ((Pet*)pet)->ToggleAutocast(spellInfo, state);
    else
        pet->GetCharmInfo()->ToggleCreatureAutocast(spellInfo, state);

    charmInfo->SetSpellAutocast(spellInfo, state);
}

void WorldSession::SendTrainerList(ObjectGuid guid, const std::string& strTitle)
{
    DEBUG_LOG( "WORLD: SendTrainerList" );

    Creature *unit = GetPlayer()->GetNPCIfCanInteractWith(guid,UNIT_NPC_FLAG_TRAINER);
    if (!unit)
    {
        DEBUG_LOG("WORLD: SendTrainerList - %s not found or you can't interact with him.", guid.GetString().c_str());
        return;
    }

    // remove fake death
    if (GetPlayer()->hasUnitState(UNIT_STAT_DIED))
        GetPlayer()->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);

    // trainer list loaded at check;
    if (!unit->IsTrainerOf(_player,true))
        return;

    CreatureInfo const *ci = unit->GetCreatureInfo();
    if (!ci)
        return;

    TrainerSpellData const* cSpells = unit->GetTrainerSpells();
    TrainerSpellData const* tSpells = unit->GetTrainerTemplateSpells();

    if (!cSpells && !tSpells)
    {
        DEBUG_LOG("WORLD: SendTrainerList - Training spells not found for %s", guid.GetString().c_str());
        return;
    }

    uint32 maxcount = (cSpells ? cSpells->spellList.size() : 0) + (tSpells ? tSpells->spellList.size() : 0);
    uint32 trainer_type = cSpells && cSpells->trainerType ? cSpells->trainerType : (tSpells ? tSpells->trainerType : 0);

    WorldPacket data( SMSG_TRAINER_LIST, 8+4+4+maxcount*38 + strTitle.size()+1);
    data << ObjectGuid(guid);
    data << uint32(trainer_type);

    size_t count_pos = data.wpos();
    data << uint32(maxcount);

    // reputation discount
    float fDiscountMod = _player->GetReputationPriceDiscount(unit);
    bool can_learn_primary_prof = GetPlayer()->GetFreePrimaryProfessionPoints() > 0;

    uint32 count = 0;

    if (cSpells)
    {
        for(TrainerSpellMap::const_iterator itr = cSpells->spellList.begin(); itr != cSpells->spellList.end(); ++itr)
        {
            TrainerSpell const* tSpell = &itr->second;

            uint32 reqLevel = 0;
            if(!_player->IsSpellFitByClassAndRace(tSpell->learnedSpell, &reqLevel))
                continue;

            reqLevel = tSpell->isProvidedReqLevel ? tSpell->reqLevel : std::max(reqLevel, tSpell->reqLevel);

            TrainerSpellState state = _player->GetTrainerSpellState(tSpell, reqLevel);

            SendTrainerSpellHelper(data, tSpell, state, fDiscountMod, can_learn_primary_prof, reqLevel);

            ++count;
        }
    }

    if (tSpells)
    {
        for(TrainerSpellMap::const_iterator itr = tSpells->spellList.begin(); itr != tSpells->spellList.end(); ++itr)
        {
            TrainerSpell const* tSpell = &itr->second;

            uint32 reqLevel = 0;
            if(!_player->IsSpellFitByClassAndRace(tSpell->learnedSpell, &reqLevel))
                continue;

            reqLevel = tSpell->isProvidedReqLevel ? tSpell->reqLevel : std::max(reqLevel, tSpell->reqLevel);

            TrainerSpellState state = _player->GetTrainerSpellState(tSpell, reqLevel);

            SendTrainerSpellHelper(data, tSpell, state, fDiscountMod, can_learn_primary_prof, reqLevel);

            ++count;
        }
    }

    data << strTitle;

    data.put<uint32>(count_pos,count);
    SendPacket(&data);
}

void WorldSession::HandlePetitionBuyOpcode(WorldPacket& recvData)
{
    TC_LOG_DEBUG("network", "Received opcode CMSG_PETITION_BUY");

    uint64 guidNPC;
    uint32 clientIndex;                                     // 1 for guild and arenaslot+1 for arenas in client
    std::string name;

    recvData >> guidNPC;                                   // NPC GUID
    recvData.read_skip<uint32>();                          // 0
    recvData.read_skip<uint64>();                          // 0
    recvData >> name;                                      // name
    recvData.read_skip<std::string>();                     // some string
    recvData.read_skip<uint32>();                          // 0
    recvData.read_skip<uint32>();                          // 0
    recvData.read_skip<uint32>();                          // 0
    recvData.read_skip<uint32>();                          // 0
    recvData.read_skip<uint32>();                          // 0
    recvData.read_skip<uint32>();                          // 0
    recvData.read_skip<uint32>();                          // 0
    recvData.read_skip<uint16>();                          // 0
    recvData.read_skip<uint32>();                          // 0
    recvData.read_skip<uint32>();                          // 0
    recvData.read_skip<uint32>();                          // 0

    for (int i = 0; i < 10; ++i)
        recvData.read_skip<std::string>();

    recvData >> clientIndex;                               // index
    recvData.read_skip<uint32>();                          // 0

    TC_LOG_DEBUG("network", "Petitioner with GUID %u tried sell petition: name %s", GUID_LOPART(guidNPC), name.c_str());

    // prevent cheating
    Creature* creature = GetPlayer()->GetNPCIfCanInteractWith(guidNPC, UNIT_NPC_FLAG_PETITIONER);
    if (!creature)
    {
        TC_LOG_DEBUG("network", "WORLD: HandlePetitionBuyOpcode - Unit (GUID: %u) not found or you can't interact with him.", GUID_LOPART(guidNPC));
        return;
    }

    // remove fake death
    if (GetPlayer()->HasUnitState(UNIT_STATE_DIED))
        GetPlayer()->RemoveAurasByType(SPELL_AURA_FEIGN_DEATH);

    uint32 charterid = 0;
    uint32 cost = 0;
    uint32 type = 0;
    if (creature->IsTabardDesigner())
    {
        // if tabard designer, then trying to buy a guild charter.
        // do not let if already in guild.
        if (_player->GetGuildId())
            return;

        charterid = GUILD_CHARTER;
        cost = GUILD_CHARTER_COST;
        type = GUILD_CHARTER_TYPE;
    }
    else
    {
        /// @todo find correct opcode
        if (_player->getLevel() < sWorld->getIntConfig(CONFIG_MAX_PLAYER_LEVEL))
        {
            SendNotification(LANG_ARENA_ONE_TOOLOW, sWorld->getIntConfig(CONFIG_MAX_PLAYER_LEVEL));
            return;
        }

        switch (clientIndex)                                 // arenaSlot+1 as received from client (1 from 3 case)
        {
            case 1:
                charterid = ARENA_TEAM_CHARTER_2v2;
                cost = ARENA_TEAM_CHARTER_2v2_COST;
                type = ARENA_TEAM_CHARTER_2v2_TYPE;
                break;
            case 2:
                charterid = ARENA_TEAM_CHARTER_3v3;
                cost = ARENA_TEAM_CHARTER_3v3_COST;
                type = ARENA_TEAM_CHARTER_3v3_TYPE;
                break;
            case 3:
                charterid = ARENA_TEAM_CHARTER_5v5;
                cost = ARENA_TEAM_CHARTER_5v5_COST;
                type = ARENA_TEAM_CHARTER_5v5_TYPE;
                break;
            default:
                TC_LOG_DEBUG("network", "unknown selection at buy arena petition: %u", clientIndex);
                return;
        }

        if (_player->GetArenaTeamId(clientIndex - 1))        // arenaSlot+1 as received from client
        {
            SendArenaTeamCommandResult(ERR_ARENA_TEAM_CREATE_S, name, "", ERR_ALREADY_IN_ARENA_TEAM);
            return;
        }
    }

    if (type == GUILD_CHARTER_TYPE)
    {
        if (sGuildMgr->GetGuildByName(name))
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                            charmInfo->SetIsCommandAttack(true);
                            charmInfo->SetIsAtStay(false);
                            charmInfo->SetIsFollowing(false);
                            charmInfo->SetIsReturning(false);

                            pet->ToCreature()->AI()->AttackStart(TargetUnit);

                            //10% chance to play special pet attack talk, else growl
                            if (pet->ToCreature()->isPet() && ((Pet*)pet)->getPetType() == SUMMON_PET && pet != TargetUnit && urand(0, 100) < 10)
                                pet->SendPetTalk((uint32)PET_TALK_ATTACK);
                            else
                            {
                                // 90% chance for pet and 100% chance for charmed creature
                                pet->SendPetAIReaction(guid1);
                            }
                        }
                        else                                // charmed player
                        {
                            if (pet->getVictim() && pet->getVictim() != TargetUnit)
                                pet->AttackStop();

                            charmInfo->SetIsCommandAttack(true);
                            charmInfo->SetIsAtStay(false);
                            charmInfo->SetIsFollowing(false);
                            charmInfo->SetIsReturning(false);

                            pet->Attack(TargetUnit, true);
                            pet->SendPetAIReaction(guid1);
                        }
                    }
                    break;
                }
                case COMMAND_ABANDON:                       // abandon (hunter pet) or dismiss (summoned pet)
                    if (pet->GetCharmerGUID() == GetPlayer()->GetGUID())
                        _player->StopCastingCharm();
                    else if (pet->GetOwnerGUID() == GetPlayer()->GetGUID())
                    {
                        ASSERT(pet->GetTypeId() == TYPEID_UNIT);
                        if (pet->isPet())
                        {
                            if (((Pet*)pet)->getPetType() == HUNTER_PET)
                                GetPlayer()->RemovePet((Pet*)pet, PET_SAVE_AS_DELETED);
                            else
                                //dismissing a summoned pet is like killing them (this prevents returning a soulshard...)
                                pet->setDeathState(CORPSE);
                        }
                        else if (pet->HasUnitTypeMask(UNIT_MASK_MINION))
                        {
                            ((Minion*)pet)->UnSummon();
                        }
                    }
                    break;
                default:
                    sLog->outError("WORLD: unknown PET flag Action %i and spellid %i.", uint32(flag), spellid);
            }
            break;
        case ACT_REACTION:                                  // 0x6
            switch (spellid)
            {
                case REACT_PASSIVE:                         //passive
                    pet->AttackStop();

                case REACT_DEFENSIVE:                       //recovery
                case REACT_AGGRESSIVE:                      //activete
                    if (pet->GetTypeId() == TYPEID_UNIT)
                        pet->ToCreature()->SetReactState(ReactStates(spellid));

void WorldSession::SendPetitionShowList(uint64 guid)
{
    Creature* creature = GetPlayer()->GetNPCIfCanInteractWith(guid, UNIT_NPC_FLAG_PETITIONER);
    if (!creature)
    {
        sLog->outDebug("WORLD: HandlePetitionShowListOpcode - Unit (GUID: %u) not found or you can't interact with him.", uint32(GUID_LOPART(guid)));
        return;
    }

    // remove fake death
    if (GetPlayer()->hasUnitState(UNIT_STAT_DIED))
        GetPlayer()->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);

    uint8 count = 0;
    if (creature->isTabardDesigner())
        count = 1;
    else
        count = 3;

    WorldPacket data(SMSG_PETITION_SHOWLIST, 8+1+4*6);
    data << guid;                                           // npc guid
    data << count;                                          // count
    if (count == 1)
    {
        data << uint32(1);                                  // index
        data << uint32(GUILD_CHARTER);                      // charter entry
        data << uint32(16161);                              // charter display id
        data << uint32(GUILD_CHARTER_COST);                 // charter cost
        data << uint32(0);                                  // unknown
        data << uint32(9);                                  // required signs?
    }
    else
    {
        // 2v2
        data << uint32(1);                                  // index
        data << uint32(ARENA_TEAM_CHARTER_2v2);             // charter entry
        data << uint32(16161);                              // charter display id
        data << uint32(ARENA_TEAM_CHARTER_2v2_COST);        // charter cost
        data << uint32(2);                                  // unknown
        data << uint32(2);                                  // required signs?
        // 3v3
        data << uint32(2);                                  // index
        data << uint32(ARENA_TEAM_CHARTER_3v3);             // charter entry
        data << uint32(16161);                              // charter display id
        data << uint32(ARENA_TEAM_CHARTER_3v3_COST);        // charter cost
        data << uint32(3);                                  // unknown
        data << uint32(3);                                  // required signs?
        // 5v5
        data << uint32(3);                                  // index
        data << uint32(ARENA_TEAM_CHARTER_5v5);             // charter entry
        data << uint32(16161);                              // charter display id
        data << uint32(ARENA_TEAM_CHARTER_5v5_COST);        // charter cost
        data << uint32(5);                                  // unknown
        data << uint32(5);                                  // required signs?
    }
    //for (uint8 i = 0; i < count; ++i)
    //{
    //    data << uint32(i);                      // index
    //    data << uint32(GUILD_CHARTER);          // charter entry
    //    data << uint32(16161);                  // charter display id
    //    data << uint32(GUILD_CHARTER_COST+i);   // charter cost
    //    data << uint32(0);                      // unknown
    //    data << uint32(9);                      // required signs?
    //}
    SendPacket(&data);
    sLog->outDebug("Sent SMSG_PETITION_SHOWLIST");
}

void WorldSession::HandleGroupInviteOpcode(WorldPacket& recv_data)
{
    std::string membername;
    recv_data >> membername;
    recv_data.read_skip<uint32>();                          // roles mask?

    // attempt add selected player

    // cheating
    if (!normalizePlayerName(membername))
    {
        SendPartyResult(PARTY_OP_INVITE, membername, ERR_BAD_PLAYER_NAME_S);
        return;
    }

    Player* player = sObjectMgr.GetPlayer(membername.c_str());

    // no player
    if (!player)
    {
        SendPartyResult(PARTY_OP_INVITE, membername, ERR_BAD_PLAYER_NAME_S);
        return;
    }

    // can't group with
    if (!sWorld.getConfig(CONFIG_BOOL_ALLOW_TWO_SIDE_INTERACTION_GROUP) && GetPlayer()->GetTeam() != player->GetTeam())
    {
        SendPartyResult(PARTY_OP_INVITE, membername, ERR_PLAYER_WRONG_FACTION);
        return;
    }

    if (GetPlayer()->GetInstanceId() != 0 && player->GetInstanceId() != 0 && GetPlayer()->GetInstanceId() != player->GetInstanceId() && GetPlayer()->GetMapId() == player->GetMapId())
    {
        SendPartyResult(PARTY_OP_INVITE, membername, ERR_TARGET_NOT_IN_INSTANCE_S);
        return;
    }

    // just ignore us
    if (player->GetSocial()->HasIgnore(GetPlayer()->GetObjectGuid()))
    {
        SendPartyResult(PARTY_OP_INVITE, membername, ERR_IGNORING_YOU_S);
        return;
    }

    Group* group = GetPlayer()->GetGroup();
    if (group && group->isBGGroup())
        group = GetPlayer()->GetOriginalGroup();

    if (group && group->isRaidGroup() && !player->GetAllowLowLevelRaid() && (player->getLevel() < sWorld.getConfig(CONFIG_UINT32_MIN_LEVEL_FOR_RAID)))
    {
        SendPartyResult(PARTY_OP_INVITE, "", ERR_RAID_DISALLOWED_BY_LEVEL);
        return;
    }

    // player already invited
    if (player->GetGroupInvite())
    {
        SendPartyResult(PARTY_OP_INVITE, membername, ERR_ALREADY_IN_GROUP_S);
        return;
    }

    Group* group2 = player->GetGroup();
    if (group2 && group2->isBGGroup())
        group2 = player->GetOriginalGroup();

    // player already in another group
    if (group2)
    {
        SendPartyResult(PARTY_OP_INVITE, membername, ERR_ALREADY_IN_GROUP_S);

        // tell the player that they were invited but it failed as they were already in a group
        SendGroupInvite(player, true);

        return;
    }

    if (group)
    {
        // not have permissions for invite
        if (!group->IsLeader(GetPlayer()->GetObjectGuid()) && !group->IsAssistant(GetPlayer()->GetObjectGuid()))
        {
            SendPartyResult(PARTY_OP_INVITE, "", ERR_NOT_LEADER);
            return;
        }
        // not have place
        if (group->IsFull())
        {
            SendPartyResult(PARTY_OP_INVITE, "", ERR_GROUP_FULL);
            return;
        }
    }

    // ok, but group not exist, start a new group
    // but don't create and save the group to the DB until
    // at least one person joins
    if (!group)
    {
        group = new Group;
        // new group: if can't add then delete
        if (!group->AddLeaderInvite(GetPlayer()))
//.........这里部分代码省略.........

void WorldSession::HandlePetitionBuyOpcode(WorldPacket& recv_data)
{
    sLog->outDebug("Received opcode CMSG_PETITION_BUY");

    uint64 guidNPC;
    uint32 clientIndex;                                     // 1 for guild and arenaslot+1 for arenas in client
    uint64 unk1, unk3, unk4, unk5, unk6, unk7;
    uint32 unk2, unk10;
    std::string name;
    uint16 unk8;
    uint8  unk9;
    recv_data >> guidNPC;                                   // NPC GUID
    recv_data >> unk1;                                      // 0
    recv_data >> unk2;                                      // 0
    recv_data >> name;                                      // name
    recv_data >> unk3;                                      // 0
    recv_data >> unk4;                                      // 0
    recv_data >> unk5;                                      // 0
    recv_data >> unk6;                                      // 0
    recv_data >> unk7;                                      // 0
    recv_data >> unk8;                                      // 0
    recv_data >> unk9;                                      // 0
    recv_data >> clientIndex;                                     // index
    recv_data >> unk10;                                     // 0
    sLog->outDebug("Petitioner with GUID %u tried sell petition: name %s", GUID_LOPART(guidNPC), name.c_str());

    // prevent cheating
    Creature* creature = GetPlayer()->GetNPCIfCanInteractWith(guidNPC, UNIT_NPC_FLAG_PETITIONER);
    if (!creature)
    {
        sLog->outDebug("WORLD: HandlePetitionBuyOpcode - Unit (GUID: %u) not found or you can't interact with him.", GUID_LOPART(guidNPC));
        return;
    }

    // remove fake death
    if (GetPlayer()->hasUnitState(UNIT_STAT_DIED))
        GetPlayer()->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);

    uint32 charterid = 0;
    uint32 cost = 0;
    uint32 type = 0;
    if (creature->isTabardDesigner())
    {
        // if tabard designer, then trying to buy a guild charter.
        // do not let if already in guild.
        if (_player->GetGuildId())
            return;

        charterid = GUILD_CHARTER;
        cost = GUILD_CHARTER_COST;
        type = 9;
    }
    else
    {
        // TODO: find correct opcode
        if (_player->getLevel() < sWorld->getConfig(CONFIG_MAX_PLAYER_LEVEL))
        {
            SendNotification(LANG_ARENA_ONE_TOOLOW, sWorld->getConfig(CONFIG_MAX_PLAYER_LEVEL));
            return;
        }

        switch (clientIndex)                                 // arenaSlot+1 as received from client (1 from 3 case)
        {
            case 1:
                charterid = ARENA_TEAM_CHARTER_2v2;
                cost = ARENA_TEAM_CHARTER_2v2_COST;
                type = 2;                                   // 2v2
                break;
            case 2:
                charterid = ARENA_TEAM_CHARTER_3v3;
                cost = ARENA_TEAM_CHARTER_3v3_COST;
                type = 3;                                   // 3v3
                break;
            case 3:
                charterid = ARENA_TEAM_CHARTER_5v5;
                cost = ARENA_TEAM_CHARTER_5v5_COST;
                type = 5;                                   // 5v5
                break;
            default:
                sLog->outDebug("unknown selection at buy arena petition: %u", clientIndex);
                return;
        }

        if (_player->GetArenaTeamId(clientIndex - 1))        // arenaSlot+1 as received from client
        {
            SendArenaTeamCommandResult(ERR_ARENA_TEAM_CREATE_S, name, "", ERR_ALREADY_IN_ARENA_TEAM);
            return;
        }
    }

    if (type == 9)
    {
        if (sObjectMgr->GetGuildByName(name))
        {
            SendGuildCommandResult(GUILD_CREATE_S, name, ERR_GUILD_NAME_EXISTS_S);
            return;
        }
        if (sObjectMgr->IsReservedName(name) || !ObjectMgr::IsValidCharterName(name))
        {
            SendGuildCommandResult(GUILD_CREATE_S, name, ERR_GUILD_NAME_INVALID);
//.........这里部分代码省略.........

bool FVlcMediaAudioTrack::Disable()
{
	return (!IsEnabled() || (FVlc::AudioSetTrack(GetPlayer(), -1) == 0));
}

void WorldSession::HandleQuestGiverAcceptQuestOpcode(WorldPacket & recv_data)
{
    uint64 guid;
    uint32 quest;
    uint32 unk1;
    recv_data >> guid >> quest >> unk1;

    if (!GetPlayer()->isAlive())
        return;

    sLog->outDebug("WORLD: Received CMSG_QUESTGIVER_ACCEPT_QUEST npc = %u, quest = %u, unk1 = %u", uint32(GUID_LOPART(guid)), quest, unk1);

    Object* pObject = ObjectAccessor::GetObjectByTypeMask(*_player, guid,TYPEMASK_UNIT|TYPEMASK_GAMEOBJECT|TYPEMASK_ITEM|TYPEMASK_PLAYER);

    // From 4.0.1 Player can be QuestGiver for self
    if(!IS_PLAYER_GUID(guid))
    {
        if (!pObject || (pObject->GetTypeId() != TYPEID_PLAYER && !pObject->hasQuest(quest)) || 
            (pObject->GetTypeId() == TYPEID_PLAYER && !pObject->ToPlayer()->CanShareQuest(quest)))
        {
            _player->PlayerTalkClass->SendCloseGossip();
            _player->SaveToDB(); // Now save player every accept/deliver a quest
            _player->SetDivider(0);
            return;
        }
    }

    Quest const* qInfo = sObjectMgr->GetQuestTemplate(quest);
    if (qInfo)
    {
        // prevent cheating
        if (!GetPlayer()->CanTakeQuest(qInfo,true))
        {
            _player->PlayerTalkClass->SendCloseGossip();
            _player->SetDivider(0);
            return;
        }

        if (_player->GetDivider() != 0)
        {
            Player *pPlayer = ObjectAccessor::FindPlayer(_player->GetDivider());
            if (pPlayer)
            {
                pPlayer->SendPushToPartyResponse(_player, QUEST_PARTY_MSG_ACCEPT_QUEST);
                _player->SetDivider(0);
            }
        }

        if (_player->CanAddQuest(qInfo, true))
        {
            _player->AddQuest(qInfo, pObject);

            if (qInfo->HasFlag(QUEST_FLAGS_PARTY_ACCEPT))
            {
                if (Group* pGroup = _player->GetGroup())
                {
                    for (GroupReference *itr = pGroup->GetFirstMember(); itr != NULL; itr = itr->next())
                    {
                        Player* pPlayer = itr->getSource();

                        if (!pPlayer || pPlayer == _player)     // not self
                            continue;

                        if (pPlayer->CanTakeQuest(qInfo, true))
                        {
                            pPlayer->SetDivider(_player->GetGUID());

                            //need confirmation that any gossip window will close
                            pPlayer->PlayerTalkClass->SendCloseGossip();

                            _player->SendQuestConfirmAccept(qInfo, pPlayer);
                        }
                    }
                }
            }

            if (_player->CanCompleteQuest(quest))
                _player->CompleteQuest(quest);

            switch(pObject->GetTypeId())
            {
                case TYPEID_UNIT:
                    sScriptMgr->OnQuestAccept(_player, (pObject->ToCreature()), qInfo);
                    (pObject->ToCreature())->AI()->sQuestAccept(_player, qInfo);
                    break;
                case TYPEID_ITEM:
                case TYPEID_CONTAINER:
                {
                    sScriptMgr->OnQuestAccept(_player, ((Item*)pObject), qInfo);

                    // destroy not required for quest finish quest starting item
                    bool destroyItem = true;
                    for (int i = 0; i < QUEST_ITEM_OBJECTIVES_COUNT; ++i)
                    {
                        if ((qInfo->ReqItemId[i] == ((Item*)pObject)->GetEntry()) && (((Item*)pObject)->GetTemplate()->MaxCount > 0))
                        {
                            destroyItem = false;
                            break;
                        }
                    }
//.........这里部分代码省略.........

void WorldSession::HandlePetSetAction(WorldPacket & recv_data)
{
    sLog->outDetail("HandlePetSetAction. CMSG_PET_SET_ACTION");

    uint64 petguid;
    uint8  count;

    recv_data >> petguid;

    Unit* pet = ObjectAccessor::GetUnit(*_player, petguid);

    if (!pet || pet != _player->GetFirstControlled())
    {
        sLog->outError("HandlePetSetAction: Unknown pet (GUID: %u) or pet owner (GUID: %u)", GUID_LOPART(petguid), _player->GetGUIDLow());
        return;
    }

    CharmInfo* charmInfo = pet->GetCharmInfo();
    if (!charmInfo)
    {
        sLog->outError("WorldSession::HandlePetSetAction: object (GUID: %u TypeId: %u) is considered pet-like but doesn't have a charminfo!", pet->GetGUIDLow(), pet->GetTypeId());
        return;
    }

    count = (recv_data.size() == 24) ? 2 : 1;

    uint32 position[2];
    uint32 data[2];
    bool move_command = false;

    for (uint8 i = 0; i < count; ++i)
    {
        recv_data >> position[i];
        recv_data >> data[i];

        uint8 act_state = UNIT_ACTION_BUTTON_TYPE(data[i]);

        //ignore invalid position
        if (position[i] >= MAX_UNIT_ACTION_BAR_INDEX)
            return;

        // in the normal case, command and reaction buttons can only be moved, not removed
        // at moving count == 2, at removing count == 1
        // ignore attempt to remove command|reaction buttons (not possible at normal case)
        if (act_state == ACT_COMMAND || act_state == ACT_REACTION)
        {
            if (count == 1)
                return;

            move_command = true;
        }
    }

    // check swap (at command->spell swap client remove spell first in another packet, so check only command move correctness)
    if (move_command)
    {
        uint8 act_state_0 = UNIT_ACTION_BUTTON_TYPE(data[0]);
        if (act_state_0 == ACT_COMMAND || act_state_0 == ACT_REACTION)
        {
            uint32 spell_id_0 = UNIT_ACTION_BUTTON_ACTION(data[0]);
            UnitActionBarEntry const* actionEntry_1 = charmInfo->GetActionBarEntry(position[1]);
            if (!actionEntry_1 || spell_id_0 != actionEntry_1->GetAction() ||
                act_state_0 != actionEntry_1->GetType())
                return;
        }

        uint8 act_state_1 = UNIT_ACTION_BUTTON_TYPE(data[1]);
        if (act_state_1 == ACT_COMMAND || act_state_1 == ACT_REACTION)
        {
            uint32 spell_id_1 = UNIT_ACTION_BUTTON_ACTION(data[1]);
            UnitActionBarEntry const* actionEntry_0 = charmInfo->GetActionBarEntry(position[0]);
            if (!actionEntry_0 || spell_id_1 != actionEntry_0->GetAction() ||
                act_state_1 != actionEntry_0->GetType())
                return;
        }
    }

    for (uint8 i = 0; i < count; ++i)
    {
        uint32 spell_id = UNIT_ACTION_BUTTON_ACTION(data[i]);
        uint8 act_state = UNIT_ACTION_BUTTON_TYPE(data[i]);

        sLog->outDetail("Player %s has changed pet spell action. Position: %u, Spell: %u, State: 0x%X", _player->GetName(), position[i], spell_id, uint32(act_state));

        //if it's act for spell (en/disable/cast) and there is a spell given (0 = remove spell) which pet doesn't know, don't add
        if (!((act_state == ACT_ENABLED || act_state == ACT_DISABLED || act_state == ACT_PASSIVE) && spell_id && !pet->HasSpell(spell_id)))
        {
            if (SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(spell_id))
            {
                //sign for autocast
                if (act_state == ACT_ENABLED)
                {
                    if (pet->GetTypeId() == TYPEID_UNIT && pet->ToCreature()->isPet())
                        ((Pet*)pet)->ToggleAutocast(spellInfo, true);
                    else
                        for (Unit::ControlList::iterator itr = GetPlayer()->m_Controlled.begin(); itr != GetPlayer()->m_Controlled.end(); ++itr)
                            if ((*itr)->GetEntry() == pet->GetEntry())
                                (*itr)->GetCharmInfo()->ToggleCreatureAutocast(spellInfo, true);
                }
                //sign for no/turn off autocast
//.........这里部分代码省略.........

void WorldSession::HandleQuestGiverChooseRewardOpcode(WorldPacket & recv_data)
{
    uint32 quest, reward;
    uint64 guid;
    recv_data >> guid >> quest >> reward;

    if (reward >= QUEST_REWARD_CHOICES_COUNT)
    {
        sLog->outError("Error in CMSG_QUESTGIVER_CHOOSE_REWARD: player %s (guid %d) tried to get invalid reward (%u) (probably packet hacking)", _player->GetName(), _player->GetGUIDLow(), reward);
        return;
    }

    if (!GetPlayer()->isAlive())
        return;

    sLog->outDebug("WORLD: Received CMSG_QUESTGIVER_CHOOSE_REWARD npc = %u, quest = %u, reward = %u",uint32(GUID_LOPART(guid)),quest,reward);

    Object* pObject = ObjectAccessor::GetObjectByTypeMask(*_player, guid,TYPEMASK_UNIT|TYPEMASK_GAMEOBJECT|TYPEMASK_PLAYER);
    if (!pObject)
        return;

    if(!IS_PLAYER_GUID(guid))
        if (!pObject->hasInvolvedQuest(quest))
            return;

    Quest const *pQuest = sObjectMgr->GetQuestTemplate(quest);
    if (pQuest)
    {
        if (_player->CanRewardQuest(pQuest, reward, true))
        {
            _player->RewardQuest(pQuest, reward, pObject);

            switch(pObject->GetTypeId())
            {
                case TYPEID_UNIT:
                    if (!(sScriptMgr->OnQuestReward(_player, (pObject->ToCreature()), pQuest, reward)))
                    {
                        // Send next quest
                        if (Quest const* nextquest = _player->GetNextQuest(guid ,pQuest))
                            _player->PlayerTalkClass->SendQuestGiverQuestDetails(nextquest,guid,true);

                        (pObject->ToCreature())->AI()->sQuestReward(_player, pQuest, reward);
                    }
                    break;
                case TYPEID_GAMEOBJECT:
                    if (!sScriptMgr->OnQuestReward(_player, ((GameObject*)pObject), pQuest, reward))
                    {
                        // Send next quest
                        if (Quest const* nextquest = _player->GetNextQuest(guid ,pQuest))
                            _player->PlayerTalkClass->SendQuestGiverQuestDetails(nextquest,guid,true);
                        pObject->ToGameObject()->AI()->QuestReward(_player, pQuest, reward);
                    }
                    break;
                case TYPEID_PLAYER: break;
                default:
                    break;
            }
        }
        else
            _player->PlayerTalkClass->SendQuestGiverOfferReward(pQuest, guid, true);

        // Don't forget to close window.
        _player->SendQuestWindowClose(pQuest->GetQuestId());
    }

    // Now save player every accept/deliver a quest
    if (_player)
        _player->SaveToDB();
}

void WorldSession::HandlePetitionSignOpcode(WorldPacket& recv_data)
{
    sLog->outDebug("Received opcode CMSG_PETITION_SIGN");

    Field *fields;
    uint64 petitionguid;
    uint8 unk;
    recv_data >> petitionguid;                              // petition guid
    recv_data >> unk;

    QueryResult_AutoPtr result = CharacterDatabase.PQuery(
        "SELECT ownerguid, "
        "  (SELECT COUNT(playerguid) FROM petition_sign WHERE petition_sign.petitionguid = '%u') AS signs, "
        "  type "
        "FROM petition WHERE petitionguid = '%u'", GUID_LOPART(petitionguid), GUID_LOPART(petitionguid));

    if (!result)
    {
        sLog->outError("any petition on server...");
        return;
    }

    fields = result->Fetch();
    uint64 ownerguid = MAKE_NEW_GUID(fields[0].GetUInt32(), 0, HIGHGUID_PLAYER);
    uint8 signs = fields[1].GetUInt8();
    uint32 type = fields[2].GetUInt32();

    uint32 plguidlo = _player->GetGUIDLow();
    if (GUID_LOPART(ownerguid) == plguidlo)
        return;

    // not let enemies sign guild charter
    if (!sWorld->getConfig(CONFIG_ALLOW_TWO_SIDE_INTERACTION_GUILD) && GetPlayer()->GetTeam() != sObjectMgr->GetPlayerTeamByGUID(ownerguid))
    {
        if (type != 9)
            SendArenaTeamCommandResult(ERR_ARENA_TEAM_INVITE_SS, "", "", ERR_ARENA_TEAM_NOT_ALLIED);
        else
            SendGuildCommandResult(GUILD_CREATE_S, "", ERR_GUILD_NOT_ALLIED);
        return;
    }

    if (type != 9)
    {
        if (_player->getLevel() < sWorld->getConfig(CONFIG_MAX_PLAYER_LEVEL))
        {
            SendArenaTeamCommandResult(ERR_ARENA_TEAM_CREATE_S, "", _player->GetName(), ERR_ARENA_TEAM_TARGET_TOO_LOW_S);
            return;
        }

        uint8 slot = ArenaTeam::GetSlotByType(type);
        if (slot >= MAX_ARENA_SLOT)
            return;

        if (_player->GetArenaTeamId(slot))
        {
            SendArenaTeamCommandResult(ERR_ARENA_TEAM_INVITE_SS, "", _player->GetName(), ERR_ALREADY_IN_ARENA_TEAM_S);
            return;
        }

        if (_player->GetArenaTeamIdInvited())
        {
            SendArenaTeamCommandResult(ERR_ARENA_TEAM_INVITE_SS, "", _player->GetName(), ERR_ALREADY_INVITED_TO_ARENA_TEAM_S);
            return;
        }
    }
    else
    {
        if (_player->GetGuildId())
        {
            SendGuildCommandResult(GUILD_INVITE_S, _player->GetName(), ERR_ALREADY_IN_GUILD_S);
            return;
        }
        if (_player->GetGuildIdInvited())
        {
            SendGuildCommandResult(GUILD_INVITE_S, _player->GetName(), ERR_ALREADY_INVITED_TO_GUILD_S);
            return;
        }
    }

    if (++signs > type)                                        // client signs maximum
        return;

    //client doesn't allow to sign petition two times by one character, but not check sign by another character from same account
    //not allow sign another player from already sign player account
    result = CharacterDatabase.PQuery("SELECT playerguid FROM petition_sign WHERE player_account = '%u' AND petitionguid = '%u'", GetAccountId(), GUID_LOPART(petitionguid));

    if (result)
    {
        WorldPacket data(SMSG_PETITION_SIGN_RESULTS, (8+8+4));
        data << petitionguid;
        data << _player->GetGUID();
        data << (uint32)PETITION_SIGN_ALREADY_SIGNED;

        // close at signer side
        SendPacket(&data);

        // update for owner if online
        if (Player *owner = sObjectMgr->GetPlayer(ownerguid))
            owner->GetSession()->SendPacket(&data);
        return;
//.........这里部分代码省略.........