C++ WorldPacket::FlushBits方法代码示例

//this function inserts to WorldPacket auction's data
bool AuctionEntry::BuildAuctionInfo(WorldPacket& data) const
{
    Item* item = sAuctionMgr->GetAItem(itemGUIDLow);
    if (!item)
    {
        TC_LOG_ERROR("misc", "AuctionEntry::BuildAuctionInfo: Auction %u has a non-existent item: %u", autcionId, itemGUIDLow);
        return false;
    }

    ObjectGuid ownerGUID = MAKE_NEW_GUID(owner, 0, HIGHGUID_PLAYER);
    ObjectGuid bidderGUID = MAKE_NEW_GUID(bidder, 0, HIGHGUID_PLAYER);
    ObjectGuid itemGUID = MAKE_NEW_GUID(itemGUIDLow, 0, HIGHGUID_ITEM);
    ObjectGuid ownerAccountID = 0;                                               // Owner Account ID -- Added in WoD

    // Write Item Instances
    data << uint32(item->GetEntry());
    data << uint32(item->GetItemSuffixFactor());
    data << uint32(item->GetItemRandomPropertyId());
    data.FlushBits();
    data.WriteBit(0);                                                             // HasItemBonus     -- Added in WoD
    data.WriteBit(0);                                                             // HasModifications -- Added in WoD

    data << int32(item->GetCount());
    data << int32(item->GetSpellCharges());
    data << int32(PROP_ENCHANTMENT_SLOT_0);
    data << int32(0);                                                             // flags            -- Added in WoD???
    data << int32(autcionId);
    data << ownerGUID;
    data << uint64(startbid);
    data << uint64(bid ? GetAuctionOutBid() : 0);
    data << uint64(buyout);
    data << int32((expire_time - time(NULL)) * IN_MILLISECONDS);
    data << uint8(0);                                                             // Delete Reason   -- Added in WoD

    for (uint8 i = 0; i < PROP_ENCHANTMENT_SLOT_0; ++i)
    {
        data << int32(item->GetEnchantmentId(EnchantmentSlot(i)));
        data << uint32(item->GetEnchantmentDuration(EnchantmentSlot(i)));
        data << int32(item->GetEnchantmentCharges(EnchantmentSlot(i)));
        data << uint8(0);                                                         // Slot
    }

    data.FlushBits();

    data.WriteBit(1);                                                            // ServerSideInfo -- Disable for more check
    data.WriteBit(0);                                                            // BidInfo

    /* ServerSideInfo Added In WoD
    data << _itemGUID;
    data << _ownerAccountID;
    data << uint32((expire_time) * IN_MILLISECONDS);
    */

    data << bidderGUID;
    data << int64(bid);

    return true;
}

void WorldSession::HandleTaxiNodeStatusQueryOpcode(WorldPacket& recvData)
{
    ObjectGuid guid;

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

    recvData.FlushBits();

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

    SendTaxiStatus(guid);
}

void WorldSession::HandleLootRoll(WorldPacket& recvData)
{
    ObjectGuid guid;
    uint8 itemSlot;
    uint8  rollType;

    recvData >> rollType; // 0: pass, 1: need, 2: greed
    recvData >> itemSlot;              

    uint8 bitOrder[8] = {5, 4, 2, 1, 7, 0, 3, 6};
    recvData.ReadBitInOrder(guid, bitOrder);

    recvData.FlushBits();

    uint8 byteOrder[8] = {3, 7, 0, 4, 2, 1, 5, 6};
    recvData.ReadBytesSeq(guid, byteOrder);

    Group* group = GetPlayer()->GetGroup();
    if (!group)
        return;

    group->CountRollVote(GetPlayer()->GetGUID(), itemSlot, rollType);

    switch (rollType)
    {
        case ROLL_NEED:
            GetPlayer()->UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_ROLL_NEED, 1);
            break;

        case ROLL_GREED:
            GetPlayer()->UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_ROLL_GREED, 1);
            break;
    }
}

//called when mail is read
void WorldSession::HandleMailMarkAsRead(WorldPacket& recvData)
{
    ObjectGuid mailbox;
    uint32 mailId;

    recvData >> mailId;

    recvData.ReadGuidMask(mailbox, 0, 2, 3);
    recvData.ReadBit();
    recvData.ReadGuidMask(mailbox, 4, 6, 7, 1, 5);
    recvData.FlushBits();

    recvData.ReadGuidBytes(mailbox, 1, 7, 2, 5, 6, 3, 4, 0);

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

    if (Mail* mail = _player->GetMail(mailId))
    {
        if (_player->unReadMails)
            --_player->unReadMails;

        mail->checked |= MAIL_CHECK_MASK_READ;
        mail->state = MAIL_STATE_CHANGED;

        _player->m_mailsUpdated = true;
    }
}

void WorldSession::HandleActivateTaxiOpcode(WorldPacket& recvData)
{
    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Received CMSG_ACTIVATETAXI");

    ObjectGuid guid;
    std::vector<uint32> nodes;
    nodes.resize(2);

    recvData >> nodes[0] >> nodes[1];

    uint8 bitsOrder[8] = { 3, 6, 0, 7, 4, 1, 5, 2 };
    recvData.ReadBitInOrder(guid, bitsOrder);

    recvData.FlushBits();

    uint8 bytesOrder[8] = { 3, 0, 4, 5, 7, 1, 6, 2 };
    recvData.ReadBytesSeq(guid, bytesOrder);

    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Received CMSG_ACTIVATETAXI from %d to %d", nodes[0], nodes[1]);

    Creature* npc = GetPlayer()->GetNPCIfCanInteractWith(guid, UNIT_NPC_FLAG_FLIGHTMASTER);
    if (!npc)
    {
        sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: HandleActivateTaxiOpcode - Unit (GUID: %u) not found or you can't interact with it.", uint32(GUID_LOPART(guid)));
        return;
    }

    GetPlayer()->ActivateTaxiPathTo(nodes, npc);
}

//Send by client when he click on accept for queue
void WorldSession::HandleBfQueueInviteResponse(WorldPacket& recvData)
{
    uint8 accepted;
    ObjectGuid guid;

    uint8 bitOrder[8] = {4, 7, 6, 1, 2, 5, 0, 3};
    recvData.ReadBitInOrder(guid, bitOrder);

    accepted = recvData.ReadBit();
    
    recvData.FlushBits();

    uint8 byteOrder[8] = {6, 4, 0, 1, 5, 7, 3, 2};
    recvData.ReadBytesSeq(guid, byteOrder);

    sLog->outError(LOG_FILTER_GENERAL, "HandleQueueInviteResponse: GUID:" UI64FMTD " Accepted:%u", (uint64)guid, accepted);

    if (!accepted)
        return;

    Battlefield* bf = sBattlefieldMgr->GetBattlefieldByGUID(guid);
    if (!bf)
        return;
    
    bf->PlayerAcceptInviteToQueue(_player);
}

void WorldSession::HandleSummonResponseOpcode(WorldPacket& recvData)
{
    if (!_player->isAlive() || _player->isInCombat())
        return;

    ObjectGuid summonerGuid;
    bool agree;

    summonerGuid[4] = recvData.ReadBit();
    summonerGuid[1] = recvData.ReadBit();
    summonerGuid[5] = recvData.ReadBit();
    summonerGuid[6] = recvData.ReadBit();
    summonerGuid[2] = recvData.ReadBit();
    agree = recvData.ReadBit();
    summonerGuid[0] = recvData.ReadBit();
    summonerGuid[3] = recvData.ReadBit();
    summonerGuid[7] = recvData.ReadBit();

    recvData.FlushBits();

    uint8 bytesOrder[8] = { 3, 7, 1, 2, 0, 5, 4, 6 };
    recvData.ReadBytesSeq(summonerGuid, bytesOrder);

    _player->SummonIfPossible(agree);
}

//Send by client on clicking in accept or refuse of invitation windows for join game
void WorldSession::HandleBfEntryInviteResponse(WorldPacket& recvData)
{
    uint8 accepted;
    ObjectGuid guid;

    guid[1] = recvData.ReadBit();
    guid[3] = recvData.ReadBit();
    guid[7] = recvData.ReadBit();
    guid[6] = recvData.ReadBit();
    guid[4] = recvData.ReadBit();
    guid[2] = recvData.ReadBit();

    accepted = recvData.ReadBit();

    guid[5] = recvData.ReadBit();
    guid[0] = recvData.ReadBit();

    recvData.FlushBits();

    uint8 byteOrder[8] = {3, 2, 4, 0, 5, 7, 6, 1};
    recvData.ReadBytesSeq(guid, byteOrder);

    sLog->outError(LOG_FILTER_GENERAL, "HandleBattlefieldInviteResponse: GUID:" UI64FMTD " Accepted:%u", uint64(guid), accepted);

    Battlefield* bf = sBattlefieldMgr->GetBattlefieldByGUID(guid);
    if (!bf)
        return;

    if (accepted)
        bf->PlayerAcceptInviteToWar(_player);
    else
        if (_player->GetZoneId() == bf->GetZoneId())
            bf->KickPlayerFromBattlefield(_player->GetGUID());
}

/*this procedure handles clients CMSG_REQUEST_PARTY_MEMBER_STATS request*/
void WorldSession::HandleRequestPartyMemberStatsOpcode(WorldPacket& recvData)
{
    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Received CMSG_REQUEST_PARTY_MEMBER_STATS");

    ObjectGuid Guid;
    auto isFull = recvData.read<uint8>();

    uint8 bitOrder[8] = { 5, 3, 4, 1, 6, 0, 2, 7 };
    recvData.ReadBitInOrder(Guid, bitOrder);

    recvData.FlushBits();

    uint8 byteOrder[8] = { 0, 3, 1, 2, 7, 5, 4, 6 };
    recvData.ReadBytesSeq(Guid, byteOrder);

    Player* player = HashMapHolder<Player>::Find(Guid);
    if (player && player->GetGroup() != GetPlayer()->GetGroup())
        return;

    uint32 mask = GROUP_UPDATE_FLAG_STATUS;
    if (player)
    {
        mask |= GROUP_UPDATE_PLAYER;

        if (player->GetPet())
            mask |= GROUP_UPDATE_PET;
    }

    WorldPacket data;
    BuildPartyMemberStatsChangedPacket(player, &data, mask, Guid, true);
    SendPacket(&data);
}

void WorldSession::HandlePetitionDeclineOpcode(WorldPacket& recvData)
{
    sLog->outDebug(LOG_FILTER_NETWORKIO, "Received opcode CMSG_PETITION_DECLINE");

    ObjectGuid petitionGuid;

    uint8 bitsOrder[8] = { 1, 4, 6, 7, 3, 2, 0, 5 };
    recvData.ReadBitInOrder(petitionGuid, bitsOrder);

    recvData.FlushBits();

    uint8 bytesOrder[8] = { 5, 3, 4, 6, 0, 7, 2, 1 };
    recvData.ReadBytesSeq(petitionGuid, bytesOrder);

    sLog->outDebug(LOG_FILTER_NETWORKIO, "Petition %u declined by %u", GUID_LOPART(petitionGuid), _player->GetGUIDLow());

    PreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_SEL_PETITION);
    stmt->setUInt32(0, GUID_LOPART(petitionGuid));
    PreparedQueryResult result = CharacterDatabase.Query(stmt);

    if (!result)
        return;

    Field* fields = result->Fetch();
    ObjectGuid ownerGuid = MAKE_NEW_GUID(fields[0].GetUInt32(), 0, HIGHGUID_PLAYER);

    Player* owner = ObjectAccessor::FindPlayer(ownerGuid);
    if (owner)
        owner->GetSession()->SendPetitionSignResult(ownerGuid, petitionGuid, PETITION_SIGN_DECLINED);
}

void WorldSession::HandlePetitionShowListOpcode(WorldPacket& recvData)
{
    sLog->outDebug(LOG_FILTER_NETWORKIO, "Received CMSG_PETITION_SHOWLIST");

    ObjectGuid PetitionGuid;
    
    PetitionGuid[4] = recvData.ReadBit();
    PetitionGuid[3] = recvData.ReadBit();
    PetitionGuid[2] = recvData.ReadBit();
    PetitionGuid[7] = recvData.ReadBit();
    PetitionGuid[6] = recvData.ReadBit();
    PetitionGuid[1] = recvData.ReadBit();
    PetitionGuid[0] = recvData.ReadBit();
    PetitionGuid[5] = recvData.ReadBit();

    recvData.FlushBits();

    recvData.ReadByteSeq(PetitionGuid[5]);
    recvData.ReadByteSeq(PetitionGuid[0]);
    recvData.ReadByteSeq(PetitionGuid[6]);
    recvData.ReadByteSeq(PetitionGuid[2]);
    recvData.ReadByteSeq(PetitionGuid[1]);
    recvData.ReadByteSeq(PetitionGuid[7]);
    recvData.ReadByteSeq(PetitionGuid[3]);
    recvData.ReadByteSeq(PetitionGuid[4]);

    SendPetitionShowList(PetitionGuid);
}

void WorldSession::HandleGroupAssistantLeaderOpcode(WorldPacket& recvData)
{
    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Received CMSG_GROUP_ASSISTANT_LEADER");

    Group* group = GetPlayer()->GetGroup();
    if (!group)
        return;

    if (!group->IsLeader(GetPlayer()->GetGUID()))
        return;

    ObjectGuid guid;
    bool apply;
    uint8 unk = 0;
    recvData >> unk;
    guid[0] = recvData.ReadBit();
    guid[7] = recvData.ReadBit();
    guid[5] = recvData.ReadBit();
    guid[2] = recvData.ReadBit();
    apply = recvData.ReadBit();
    guid[3] = recvData.ReadBit();
    guid[6] = recvData.ReadBit();
    guid[4] = recvData.ReadBit();
    guid[1] = recvData.ReadBit();

    recvData.FlushBits();

    uint8 byteOrder[8] = { 6, 3, 2, 5, 7, 1, 0, 4 };
    recvData.ReadBytesSeq(guid, byteOrder);

    group->SetGroupMemberFlag(guid, apply, MEMBER_FLAG_ASSISTANT);

    group->SendUpdate();
}

void WorldSession::HandleBfQueueRequest(WorldPacket& recvData)
{
    ObjectGuid guid;

    uint8 bitOrder[8] = {3, 5, 7, 0, 6, 2, 1, 4};
    recvData.ReadBitInOrder(guid, bitOrder);

    recvData.FlushBits();

    uint8 byteOrder[8] = {1, 0, 3, 2, 4, 7, 5, 6};
    recvData.ReadBytesSeq(guid, byteOrder);

    sLog->outError(LOG_FILTER_GENERAL, "HandleBfQueueRequest: GUID:" UI64FMTD " ", (uint64)guid);

    if (Battlefield* bf = sBattlefieldMgr->GetBattlefieldByGUID(guid))
    {
        if (bf->IsWarTime())
            bf->InvitePlayerToWar(_player);
        else
        {
            uint32 timer = bf->GetTimer() / 1000;
            if (timer < 15 * MINUTE)
                bf->InvitePlayerToQueue(_player);
        }
    }
}

void WorldSession::HandleLeaveChannel(WorldPacket& recvPacket)
{
    sLog->outDebug(LOG_FILTER_NETWORKIO, "Opcode %u", recvPacket.GetOpcode());

    uint32 channelId;
    std::string channelname;

    recvPacket >> channelId;

    uint32 length = recvPacket.ReadBits(7);

    recvPacket.FlushBits();

    channelname = recvPacket.ReadString(length);

    if (channelname.empty())
        return;

    if (ChannelMgr* cMgr = channelMgr(_player->GetTeam()))
    {
        if (Channel* chn = cMgr->GetChannel(channelname, _player))
            chn->Leave(_player->GetGUID(), true);
        cMgr->LeftChannel(channelname);
    }
}

//Checked
void WorldSession::HandleChannelUnban(WorldPacket& recvPacket)
{
    time_t now = time(NULL);
    if (now - timeLastChannelUnbanCommand < 5)
        return;
    else
       timeLastChannelUnbanCommand = now;

    sLog->outDebug(LOG_FILTER_NETWORKIO, "Opcode %u", recvPacket.GetOpcode());

    size_t nameLength = recvPacket.ReadBits(9);
    size_t channelLength = recvPacket.ReadBits(7);

    recvPacket.FlushBits();

    std::string otp = recvPacket.ReadString(nameLength);
    std::string channelname = recvPacket.ReadString(channelLength);

    if (!normalizePlayerName(otp))
        return;

    if (ChannelMgr* cMgr = channelMgr(_player->GetTeam()))
        if (Channel* chn = cMgr->GetChannel(channelname, _player))
            chn->UnBan(_player->GetGUID(), otp.c_str());
}