C++ LfgGuidList::front方法代码示例

/**
   Checks que main queue to try to form a Lfg group. Returns first match found (if any)

   @param[in]     check List of guids trying to match with other groups
   @param[in]     all List of all other guids in main queue to match against
   @return LfgCompatibility type of compatibility between groups
*/
LfgCompatibility LFGQueue::FindNewGroups(LfgGuidList& check, LfgGuidList& all)
{
    std::string strGuids = ConcatenateGuids(check);
    LfgCompatibility compatibles = GetCompatibles(strGuids);

    TC_LOG_DEBUG("lfg.queue.match.check", "Guids: (%s): %s - all(%s)", strGuids.c_str(), GetCompatibleString(compatibles), ConcatenateGuids(all).c_str());
    if (compatibles == LFG_COMPATIBILITY_PENDING) // Not previously cached, calculate
        compatibles = CheckCompatibility(check);

    if (compatibles == LFG_COMPATIBLES_BAD_STATES && sLFGMgr->AllQueued(check))
    {
        TC_LOG_DEBUG("lfg.queue.match.check", "Guids: (%s) compatibles (cached) changed from bad states to match", strGuids.c_str());
        SetCompatibles(strGuids, LFG_COMPATIBLES_MATCH);
        return LFG_COMPATIBLES_MATCH;
    }

    if (compatibles != LFG_COMPATIBLES_WITH_LESS_PLAYERS)
        return compatibles;

    // Try to match with queued groups
    while (!all.empty())
    {
        check.push_back(all.front());
        all.pop_front();
        LfgCompatibility subcompatibility = FindNewGroups(check, all);
        if (subcompatibility == LFG_COMPATIBLES_MATCH)
            return LFG_COMPATIBLES_MATCH;
        check.pop_back();
    }
    return compatibles;
}

/**
   Checks que main queue to try to form a Lfg group. Returns first match found (if any)

   @param[in]     check List of guids trying to match with other groups
   @param[in]     all List of all other guids in main queue to match against
   @return LfgCompatibility type of compatibility between groups
*/
LfgCompatibility LfgQueue::FindNewGroups(LfgGuidList& check, LfgGuidList& all)
{
    std::string strGuids = ConcatenateGuids(check);
    LfgCompatibility compatibles = GetCompatibles(strGuids);

    sLog->outDebug(LOG_FILTER_LFG, "LFGQueue::FindNewGroup: (%s): %s - all(%s)", strGuids.c_str(), GetCompatibleString(compatibles), ConcatenateGuids(all).c_str());
    if (compatibles == LFG_COMPATIBILITY_PENDING || compatibles == LFG_COMPATIBLES_BAD_STATES) // Not previously cached, calculate
        compatibles = CheckCompatibility(check);

    if (compatibles != LFG_COMPATIBLES_WITH_LESS_PLAYERS)
        return compatibles;

    // Try to match with queued groups
    while (!all.empty())
    {
        check.push_back(all.front());
        all.pop_front();
        LfgCompatibility subcompatibility = FindNewGroups(check, all);
        if (subcompatibility == LFG_COMPATIBLES_MATCH)
            return LFG_COMPATIBLES_MATCH;
        check.pop_back();
    }
    return compatibles;
}

/**
   Check compatibilities between groups. If group is Matched proposal will be created

   @param[in]     check List of guids to check compatibilities
   @return LfgCompatibility type of compatibility
*/
LfgCompatibility LFGQueue::CheckCompatibility(LfgGuidList check)
{
    std::string strGuids = ConcatenateGuids(check);
    LfgProposal proposal;
    LfgDungeonSet proposalDungeons;
    LfgGroupsMap proposalGroups;
    LfgRolesMap proposalRoles;

    // Check for correct size
    if (check.size() > MAXGROUPSIZE || check.empty())
    {
        TC_LOG_DEBUG("lfg.queue.match.compatibility.check", "Guids: (%s): Size wrong - Not compatibles", strGuids.c_str());
        return LFG_INCOMPATIBLES_WRONG_GROUP_SIZE;
    }

    // Check all-but-new compatiblitity
    if (check.size() > 2)
    {
        uint64 frontGuid = check.front();
        check.pop_front();

        // Check all-but-new compatibilities (New, A, B, C, D) --> check(A, B, C, D)
        LfgCompatibility child_compatibles = CheckCompatibility(check);
        if (child_compatibles < LFG_COMPATIBLES_WITH_LESS_PLAYERS) // Group not compatible
        {
            TC_LOG_DEBUG("lfg.queue.match.compatibility.check", "Guids: (%s) child %s not compatibles", strGuids.c_str(), ConcatenateGuids(check).c_str());
            SetCompatibles(strGuids, child_compatibles);
            return child_compatibles;
        }
        check.push_front(frontGuid);
    }

    // Check if more than one LFG group and number of players joining
    uint8 numPlayers = 0;
    uint8 numLfgGroups = 0;
    for (LfgGuidList::const_iterator it = check.begin(); it != check.end() && numLfgGroups < 2 && numPlayers <= MAXGROUPSIZE; ++it)
    {
        uint64 guid = (*it);
        LfgQueueDataContainer::iterator itQueue = QueueDataStore.find(guid);
        if (itQueue == QueueDataStore.end())
        {
            TC_LOG_ERROR("lfg.queue.match.compatibility.check", "Guid: [" UI64FMTD "] is not queued but listed as queued!", guid);
            RemoveFromQueue(guid);
            return LFG_COMPATIBILITY_PENDING;
        }

        // Store group so we don't need to call Mgr to get it later (if it's player group will be 0 otherwise would have joined as group)
        for (LfgRolesMap::const_iterator it2 = itQueue->second.roles.begin(); it2 != itQueue->second.roles.end(); ++it2)
            proposalGroups[it2->first] = IS_GROUP_GUID(itQueue->first) ? itQueue->first : 0;

        numPlayers += itQueue->second.roles.size();

        if (sLFGMgr->IsLfgGroup(guid))
        {
            if (!numLfgGroups)
                proposal.group = guid;
            ++numLfgGroups;
        }
    }

    // Group with less that MAXGROUPSIZE members always compatible
    if (check.size() == 1 && numPlayers != MAXGROUPSIZE)
    {
        TC_LOG_DEBUG("lfg.queue.match.compatibility.check", "Guids: (%s) sigle group. Compatibles", strGuids.c_str());
        LfgQueueDataContainer::iterator itQueue = QueueDataStore.find(check.front());

        LfgCompatibilityData data(LFG_COMPATIBLES_WITH_LESS_PLAYERS);
        data.roles = itQueue->second.roles;
        LFGMgr::CheckGroupRoles(data.roles);

        UpdateBestCompatibleInQueue(itQueue, strGuids, data.roles);
        SetCompatibilityData(strGuids, data);
        return LFG_COMPATIBLES_WITH_LESS_PLAYERS;
    }

    if (numLfgGroups > 1)
    {
        TC_LOG_DEBUG("lfg.queue.match.compatibility.check", "Guids: (%s) More than one Lfggroup (%u)", strGuids.c_str(), numLfgGroups);
        SetCompatibles(strGuids, LFG_INCOMPATIBLES_MULTIPLE_LFG_GROUPS);
        return LFG_INCOMPATIBLES_MULTIPLE_LFG_GROUPS;
    }

    if (numPlayers > MAXGROUPSIZE)
    {
        TC_LOG_DEBUG("lfg.queue.match.compatibility.check", "Guids: (%s) Too much players (%u)", strGuids.c_str(), numPlayers);
        SetCompatibles(strGuids, LFG_INCOMPATIBLES_TOO_MUCH_PLAYERS);
        return LFG_INCOMPATIBLES_TOO_MUCH_PLAYERS;
    }

    // If it's single group no need to check for duplicate players, ignores, bad roles or bad dungeons as it's been checked before joining
    if (check.size() > 1)
    {
        for (LfgGuidList::const_iterator it = check.begin(); it != check.end(); ++it)
        {
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