/**
Given a list of guids returns the concatenation using | as delimiter
@param[in] check list of guids
@returns Concatenated string
*/
std::string ConcatenateGuids(LfgGuidList const& check)
{
if (check.empty())
return "";
// need the guids in order to avoid duplicates
LfgGuidSet guids(check.begin(), check.end());
std::ostringstream o;
LfgGuidSet::const_iterator it = guids.begin();
o << (*it);
for (++it; it != guids.end(); ++it)
o << '|' << (*it);
return o.str();
}
/**
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)
{
const LfgRolesMap &roles = QueueDataStore[(*it)].roles;
for (LfgRolesMap::const_iterator itRoles = roles.begin(); itRoles != roles.end(); ++itRoles)
{
LfgRolesMap::const_iterator itPlayer;
for (itPlayer = proposalRoles.begin(); itPlayer != proposalRoles.end(); ++itPlayer)
{
if (itRoles->first == itPlayer->first)
TC_LOG_ERROR("lfg.queue.match.compatibility.check", "Guids: ERROR! Player multiple times in queue! [" UI64FMTD "]", itRoles->first);
else if (sLFGMgr->HasIgnore(itRoles->first, itPlayer->first))
break;
}
if (itPlayer == proposalRoles.end())
proposalRoles[itRoles->first] = itRoles->second;
}
}
if (uint8 playersize = numPlayers - proposalRoles.size())
{
TC_LOG_DEBUG("lfg.queue.match.compatibility.check", "Guids: (%s) not compatible, %u players are ignoring each other", strGuids.c_str(), playersize);
SetCompatibles(strGuids, LFG_INCOMPATIBLES_HAS_IGNORES);
return LFG_INCOMPATIBLES_HAS_IGNORES;
}
LfgRolesMap debugRoles = proposalRoles;
if (!LFGMgr::CheckGroupRoles(proposalRoles))
{
std::ostringstream o;
for (LfgRolesMap::const_iterator it = debugRoles.begin(); it != debugRoles.end(); ++it)
o << ", " << it->first << ": " << GetRolesString(it->second);
TC_LOG_DEBUG("lfg.queue.match.compatibility.check", "Guids: (%s) Roles not compatible%s", strGuids.c_str(), o.str().c_str());
SetCompatibles(strGuids, LFG_INCOMPATIBLES_NO_ROLES);
return LFG_INCOMPATIBLES_NO_ROLES;
}
LfgGuidList::iterator itguid = check.begin();
proposalDungeons = QueueDataStore[*itguid].dungeons;
std::ostringstream o;
o << ", " << *itguid << ": (" << ConcatenateDungeons(proposalDungeons) << ")";
for (++itguid; itguid != check.end(); ++itguid)
{
LfgDungeonSet temporal;
LfgDungeonSet &dungeons = QueueDataStore[*itguid].dungeons;
o << ", " << *itguid << ": (" << ConcatenateDungeons(dungeons) << ")";
std::set_intersection(proposalDungeons.begin(), proposalDungeons.end(), dungeons.begin(), dungeons.end(), std::inserter(temporal, temporal.begin()));
proposalDungeons = temporal;
}
if (proposalDungeons.empty())
{
TC_LOG_DEBUG("lfg.queue.match.compatibility.check", "Guids: (%s) No compatible dungeons%s", strGuids.c_str(), o.str().c_str());
SetCompatibles(strGuids, LFG_INCOMPATIBLES_NO_DUNGEONS);
return LFG_INCOMPATIBLES_NO_DUNGEONS;
}
}
else
{
uint64 gguid = *check.begin();
const LfgQueueData &queue = QueueDataStore[gguid];
proposalDungeons = queue.dungeons;
proposalRoles = queue.roles;
LFGMgr::CheckGroupRoles(proposalRoles); // assing new roles
}
// Enough players?
if (numPlayers != MAXGROUPSIZE)
{
TC_LOG_DEBUG("lfg.queue.match.compatibility.check", "Guids: (%s) Compatibles but not enough players(%u)", strGuids.c_str(), numPlayers);
LfgCompatibilityData data(LFG_COMPATIBLES_WITH_LESS_PLAYERS);
data.roles = proposalRoles;
for (LfgGuidList::const_iterator itr = check.begin(); itr != check.end(); ++itr)
UpdateBestCompatibleInQueue(QueueDataStore.find(*itr), strGuids, data.roles);
SetCompatibilityData(strGuids, data);
return LFG_COMPATIBLES_WITH_LESS_PLAYERS;
}
uint64 gguid = *check.begin();
proposal.queues = check;
proposal.isNew = numLfgGroups != 1 || sLFGMgr->GetOldState(gguid) != LFG_STATE_DUNGEON;
if (!sLFGMgr->AllQueued(check))
{
TC_LOG_DEBUG("lfg.queue.match.compatibility.check", "Guids: (%s) Group MATCH but can't create proposal!", strGuids.c_str());
SetCompatibles(strGuids, LFG_COMPATIBLES_BAD_STATES);
return LFG_COMPATIBLES_BAD_STATES;
}
// Create a new proposal
proposal.cancelTime = time(NULL) + LFG_TIME_PROPOSAL;
proposal.state = LFG_PROPOSAL_INITIATING;
proposal.leader = 0;
proposal.dungeonId = Trinity::Containers::SelectRandomContainerElement(proposalDungeons);
bool leader = false;
for (LfgRolesMap::const_iterator itRoles = proposalRoles.begin(); itRoles != proposalRoles.end(); ++itRoles)
{
// Assing new leader
if (itRoles->second & PLAYER_ROLE_LEADER)
{
if (!leader || !proposal.leader || urand(0, 1))
proposal.leader = itRoles->first;
leader = true;
}
else if (!leader && (!proposal.leader || urand(0, 1)))
proposal.leader = itRoles->first;
// Assing player data and roles
LfgProposalPlayer &data = proposal.players[itRoles->first];
data.role = itRoles->second;
data.group = proposalGroups.find(itRoles->first)->second;
if (!proposal.isNew && data.group && data.group == proposal.group) // Player from existing group, autoaccept
data.accept = LFG_ANSWER_AGREE;
}
// Mark proposal members as not queued (but not remove queue data)
for (LfgGuidList::const_iterator itQueue = proposal.queues.begin(); itQueue != proposal.queues.end(); ++itQueue)
{
uint64 guid = (*itQueue);
RemoveFromNewQueue(guid);
RemoveFromCurrentQueue(guid);
}
sLFGMgr->AddProposal(proposal);
TC_LOG_DEBUG("lfg.queue.match.compatibility.check", "Guids: (%s) MATCH! Group formed", strGuids.c_str());
SetCompatibles(strGuids, LFG_COMPATIBLES_MATCH);
return LFG_COMPATIBLES_MATCH;
}