BattlegroundMgr.cpp

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/*
 * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#include "BattlegroundMgr.h"
#include "BattlegroundAB.h"
#include "BattlegroundAV.h"
#include "BattlegroundBE.h"
#include "BattlegroundBFG.h"
#include "BattlegroundDS.h"
#include "BattlegroundEY.h"
#include "BattlegroundIC.h"
#include "BattlegroundNA.h"
#include "BattlegroundPackets.h"
#include "BattlegroundRL.h"
#include "BattlegroundRV.h"
#include "BattlegroundSA.h"
#include "BattlegroundTP.h"
#include "BattlegroundWS.h"
#include "Containers.h"
#include "DatabaseEnv.h"
#include "DB2Stores.h"
#include "DisableMgr.h"
#include "GameEventMgr.h"
#include "Language.h"
#include "Log.h"
#include "MapManager.h"
#include "ObjectMgr.h"
#include "Player.h"
#include "SharedDefines.h"
#include "World.h"
 
bool BattlegroundTemplate::IsArena() const
{
 return BattlemasterEntry->InstanceType == MAP_ARENA;
}
 
uint16 BattlegroundTemplate::GetMinPlayersPerTeam() const
{
 return BattlemasterEntry->MinPlayers;
}
 
uint16 BattlegroundTemplate::GetMaxPlayersPerTeam() const
{
 return BattlemasterEntry->MaxPlayers;
}
 
uint8 BattlegroundTemplate::GetMinLevel() const
{
 return BattlemasterEntry->MinLevel;
}
 
uint8 BattlegroundTemplate::GetMaxLevel() const
{
 return BattlemasterEntry->MaxLevel;
}
 
/*********************************************************/
/*** BATTLEGROUND MANAGER ***/
/*********************************************************/
 
BattlegroundMgr::BattlegroundMgr() :
 m_NextRatedArenaUpdate(sWorld->getIntConfig(CONFIG_ARENA_RATED_UPDATE_TIMER)),
 m_UpdateTimer(0), m_ArenaTesting(false), m_Testing(false)
{ }
 
BattlegroundMgr::~BattlegroundMgr()
{
 DeleteAllBattlegrounds();
}
 
void BattlegroundMgr::DeleteAllBattlegrounds()
{
 bgDataStore.clear();
 m_BGFreeSlotQueue.clear();
}
 
BattlegroundMgr* BattlegroundMgr::instance()
{
 static BattlegroundMgr instance;
 return &instance;
}
 
// used to update running battlegrounds, and delete finished ones
void BattlegroundMgr::Update(uint32 diff)
{
 m_UpdateTimer += diff;
 if (m_UpdateTimer > BATTLEGROUND_OBJECTIVE_UPDATE_INTERVAL)
 {
 for (BattlegroundDataContainer::iterator itr1 = bgDataStore.begin(); itr1 != bgDataStore.end(); ++itr1)
 {
 BattlegroundContainer& bgs = itr1->second.m_Battlegrounds;
 BattlegroundContainer::iterator itrDelete = bgs.begin();
 for (BattlegroundContainer::iterator itr = itrDelete; itr != bgs.end();)
 {
 itrDelete = itr++;
 Battleground* bg = itrDelete->second.get();
 
 bg->Update(m_UpdateTimer);
 if (bg->ToBeDeleted())
 {
 BattlegroundClientIdsContainer& clients = itr1->second.m_ClientBattlegroundIds[bg->GetBracketId()];
 if (!clients.empty())
 clients.erase(bg->GetClientInstanceID());
 
 // move out unique_ptr to delete after erasing
 Trinity::unique_trackable_ptr<Battleground> bgPtr = std::move(itrDelete->second);
 
 bgs.erase(itrDelete);
 }
 }
 }
 
 m_UpdateTimer = 0;
 }
 
 // update events timer
 for (std::pair<BattlegroundQueueTypeId const, BattlegroundQueue>& pair : m_BattlegroundQueues)
 pair.second.UpdateEvents(diff);
 
 // update scheduled queues
 if (!m_QueueUpdateScheduler.empty())
 {
 std::vector<ScheduledQueueUpdate> scheduled;
 std::swap(scheduled, m_QueueUpdateScheduler);
 
 for (uint8 i = 0; i < scheduled.size(); i++)
 {
 uint32 arenaMMRating = scheduled[i].ArenaMatchmakerRating;
 BattlegroundQueueTypeId bgQueueTypeId = scheduled[i].QueueId;
 BattlegroundBracketId bracket_id = scheduled[i].BracketId;
 GetBattlegroundQueue(bgQueueTypeId).BattlegroundQueueUpdate(diff, bracket_id, arenaMMRating);
 }
 }
 
 // if rating difference counts, maybe force-update queues
 if (sWorld->getIntConfig(CONFIG_ARENA_MAX_RATING_DIFFERENCE) && sWorld->getIntConfig(CONFIG_ARENA_RATED_UPDATE_TIMER))
 {
 // it's time to force update
 if (m_NextRatedArenaUpdate < diff)
 {
 // forced update for rated arenas (scan all, but skipped non rated)
 TC_LOG_TRACE("bg.arena", "BattlegroundMgr: UPDATING ARENA QUEUES");
 for (uint8 teamSize : { ARENA_TYPE_2v2, ARENA_TYPE_3v3, ARENA_TYPE_5v5 })
 {
 BattlegroundQueueTypeId ratedArenaQueueId = BGQueueTypeId(BATTLEGROUND_AA, BattlegroundQueueIdType::Arena, true, teamSize);
 for (int bracket = BG_BRACKET_ID_FIRST; bracket < MAX_BATTLEGROUND_BRACKETS; ++bracket)
 GetBattlegroundQueue(ratedArenaQueueId).BattlegroundQueueUpdate(diff, BattlegroundBracketId(bracket), 0);
 }
 
 m_NextRatedArenaUpdate = sWorld->getIntConfig(CONFIG_ARENA_RATED_UPDATE_TIMER);
 }
 else
 m_NextRatedArenaUpdate -= diff;
 }
}
 
void BattlegroundMgr::BuildBattlegroundStatusHeader(WorldPackets::Battleground::BattlefieldStatusHeader* header, Player* player, uint32 ticketId, uint32 joinTime, BattlegroundQueueTypeId queueId)
{
 header->Ticket.RequesterGuid = player->GetGUID();
 header->Ticket.Id = ticketId;
 header->Ticket.Type = WorldPackets::LFG::RideType::Battlegrounds;
 header->Ticket.Time = joinTime;
 header->QueueID.push_back(queueId.GetPacked());
 header->RangeMin = 0; // seems to always be 0
 header->RangeMax = DEFAULT_MAX_LEVEL; // alwyas max level of current expansion. Might be limited to account
 header->TeamSize = queueId.TeamSize;
 header->InstanceID = 0; // seems to always be 0
 header->RegisteredMatch = queueId.Rated;
 header->TournamentRules = false;
}
 
void BattlegroundMgr::BuildBattlegroundStatusNone(WorldPackets::Battleground::BattlefieldStatusNone* battlefieldStatus, Player* player, uint32 ticketId, uint32 joinTime)
{
 battlefieldStatus->Ticket.RequesterGuid = player->GetGUID();
 battlefieldStatus->Ticket.Id = ticketId;
 battlefieldStatus->Ticket.Type = WorldPackets::LFG::RideType::Battlegrounds;
 battlefieldStatus->Ticket.Time = joinTime;
}
 
void BattlegroundMgr::BuildBattlegroundStatusNeedConfirmation(WorldPackets::Battleground::BattlefieldStatusNeedConfirmation* battlefieldStatus, Battleground* bg, Player* player, uint32 ticketId, uint32 joinTime, uint32 timeout, BattlegroundQueueTypeId queueId)
{
 BuildBattlegroundStatusHeader(&battlefieldStatus->Hdr, player, ticketId, joinTime, queueId);
 battlefieldStatus->Mapid = bg->GetMapId();
 battlefieldStatus->Timeout = timeout;
 battlefieldStatus->Role = 0;
}
 
void BattlegroundMgr::BuildBattlegroundStatusActive(WorldPackets::Battleground::BattlefieldStatusActive* battlefieldStatus, Battleground* bg, Player* player, uint32 ticketId, uint32 joinTime, BattlegroundQueueTypeId queueId)
{
 BuildBattlegroundStatusHeader(&battlefieldStatus->Hdr, player, ticketId, joinTime, queueId);
 battlefieldStatus->ShutdownTimer = bg->GetRemainingTime();
 battlefieldStatus->ArenaFaction = player->GetBGTeam() == HORDE ? PVP_TEAM_HORDE : PVP_TEAM_ALLIANCE;
 battlefieldStatus->LeftEarly = false;
 battlefieldStatus->StartTimer = bg->GetElapsedTime();
 battlefieldStatus->Mapid = bg->GetMapId();
}
 
void BattlegroundMgr::BuildBattlegroundStatusQueued(WorldPackets::Battleground::BattlefieldStatusQueued* battlefieldStatus, Player* player, uint32 ticketId, uint32 joinTime, BattlegroundQueueTypeId queueId, uint32 avgWaitTime, bool asGroup)
{
 BuildBattlegroundStatusHeader(&battlefieldStatus->Hdr, player, ticketId, joinTime, queueId);
 battlefieldStatus->AverageWaitTime = avgWaitTime;
 battlefieldStatus->AsGroup = asGroup;
 battlefieldStatus->SuspendedQueue = false;
 battlefieldStatus->EligibleForMatchmaking = true;
 battlefieldStatus->WaitTime = GetMSTimeDiffToNow(joinTime);
}
 
void BattlegroundMgr::BuildBattlegroundStatusFailed(WorldPackets::Battleground::BattlefieldStatusFailed* battlefieldStatus, BattlegroundQueueTypeId queueId, Player* pPlayer, uint32 ticketId, GroupJoinBattlegroundResult result, ObjectGuid const* errorGuid /*= nullptr*/)
{
 battlefieldStatus->Ticket.RequesterGuid = pPlayer->GetGUID();
 battlefieldStatus->Ticket.Id = ticketId;
 battlefieldStatus->Ticket.Type = WorldPackets::LFG::RideType::Battlegrounds;
 battlefieldStatus->Ticket.Time = pPlayer->GetBattlegroundQueueJoinTime(queueId);
 battlefieldStatus->QueueID = queueId.GetPacked();
 battlefieldStatus->Reason = result;
 if (errorGuid && (result == ERR_BATTLEGROUND_NOT_IN_BATTLEGROUND || result == ERR_BATTLEGROUND_JOIN_TIMED_OUT))
 battlefieldStatus->ClientID = *errorGuid;
}
 
Battleground* BattlegroundMgr::GetBattleground(uint32 instanceId, BattlegroundTypeId bgTypeId)
{
 if (!instanceId)
 return nullptr;
 
 BattlegroundDataContainer::const_iterator begin, end;
 
 if (bgTypeId == BATTLEGROUND_TYPE_NONE || IsRandomBattleground(bgTypeId))
 {
 begin = bgDataStore.begin();
 end = bgDataStore.end();
 }
 else
 {
 end = bgDataStore.find(bgTypeId);
 if (end == bgDataStore.end())
 return nullptr;
 begin = end++;
 }
 
 for (BattlegroundDataContainer::const_iterator it = begin; it != end; ++it)
 {
 BattlegroundContainer const& bgs = it->second.m_Battlegrounds;
 BattlegroundContainer::const_iterator itr = bgs.find(instanceId);
 if (itr != bgs.end())
 return itr->second.get();
 }
 
 return nullptr;
}
 
uint32 BattlegroundMgr::CreateClientVisibleInstanceId(BattlegroundTypeId bgTypeId, BattlegroundBracketId bracket_id)
{
 if (IsArenaType(bgTypeId))
 return 0; //arenas don't have client-instanceids
 
 // we create here an instanceid, which is just for
 // displaying this to the client and without any other use..
 // the client-instanceIds are unique for each battleground-type
 // the instance-id just needs to be as low as possible, beginning with 1
 // the following works, because std::set is default ordered with "<"
 // the optimalization would be to use as bitmask std::vector<uint32> - but that would only make code unreadable
 
 BattlegroundClientIdsContainer& clientIds = bgDataStore[bgTypeId].m_ClientBattlegroundIds[bracket_id];
 uint32 lastId = 0;
 for (BattlegroundClientIdsContainer::const_iterator itr = clientIds.begin(); itr != clientIds.end();)
 {
 if ((++lastId) != *itr) //if there is a gap between the ids, we will break..
 break;
 lastId = *itr;
 }
 
 clientIds.insert(++lastId);
 return lastId;
}
 
// create a new battleground that will really be used to play
Battleground* BattlegroundMgr::CreateNewBattleground(BattlegroundQueueTypeId queueId, BattlegroundBracketId bracketId)
{
 BattlegroundTypeId bgTypeId = GetRandomBG(BattlegroundTypeId(queueId.BattlemasterListId));
 
 // get the template BG
 BattlegroundTemplate const* bg_template = GetBattlegroundTemplateByTypeId(bgTypeId);
 
 if (!bg_template)
 {
 TC_LOG_ERROR("bg.battleground", "Battleground: CreateNewBattleground - bg template not found for {}", bgTypeId);
 return nullptr;
 }
 
 PVPDifficultyEntry const* bracketEntry = DB2Manager::GetBattlegroundBracketById(bg_template->BattlemasterEntry->MapID[0], bracketId);
 if (!bracketEntry)
 {
 TC_LOG_ERROR("bg.battleground", "Battleground: CreateNewBattleground: bg bracket entry not found for map {} bracket id {}", bg_template->BattlemasterEntry->MapID[0], bracketId);
 return nullptr;
 }
 
 Battleground* bg = nullptr;
 // create a copy of the BG template
 switch (bgTypeId)
 {
 case BATTLEGROUND_AV:
 bg = new BattlegroundAV(bg_template);
 break;
 case BATTLEGROUND_WS:
 case BATTLEGROUND_WG_CTF:
 bg = new BattlegroundWS(bg_template);
 break;
 case BATTLEGROUND_AB:
 case BATTLEGROUND_DOM_AB:
 bg = new BattlegroundAB(bg_template);
 break;
 case BATTLEGROUND_NA:
 bg = new BattlegroundNA(bg_template);
 break;
 case BATTLEGROUND_BE:
 bg = new BattlegroundBE(bg_template);
 break;
 case BATTLEGROUND_EY:
 bg = new BattlegroundEY(bg_template);
 break;
 case BATTLEGROUND_RL:
 bg = new BattlegroundRL(bg_template);
 break;
 case BATTLEGROUND_SA:
 bg = new BattlegroundSA(bg_template);
 break;
 case BATTLEGROUND_DS:
 bg = new BattlegroundDS(bg_template);
 break;
 case BATTLEGROUND_RV:
 bg = new BattlegroundRV(bg_template);
 break;
 case BATTLEGROUND_IC:
 bg = new BattlegroundIC(bg_template);
 break;
 case BATTLEGROUND_TP:
 bg = new BattlegroundTP(bg_template);
 break;
 case BATTLEGROUND_BFG:
 bg = new BattlegroundBFG(bg_template);
 break;
 case BATTLEGROUND_RB:
 case BATTLEGROUND_AA:
 case BATTLEGROUND_RANDOM_EPIC:
 default:
 return nullptr;
 }
 
 bg->SetBracket(bracketEntry);
 bg->SetInstanceID(sMapMgr->GenerateInstanceId());
 bg->SetClientInstanceID(CreateClientVisibleInstanceId(BattlegroundTypeId(queueId.BattlemasterListId), bracketEntry->GetBracketId()));
 // reset the new bg (set status to status_wait_queue from status_none)
 // this shouldn't be needed anymore as a new Battleground instance is created each time. But some bg sub classes still depend on it.
 bg->Reset();
 bg->SetStatus(STATUS_WAIT_JOIN); // start the joining of the bg
 bg->SetArenaType(queueId.TeamSize);
 bg->SetRated(queueId.Rated);
 
 return bg;
}
 
void BattlegroundMgr::LoadBattlegroundTemplates()
{
 uint32 oldMSTime = getMSTime();
 
 // 0 1 2 3 4 5
 QueryResult result = WorldDatabase.Query("SELECT ID, AllianceStartLoc, HordeStartLoc, StartMaxDist, Weight, ScriptName FROM battleground_template");
 if (!result)
 {
 TC_LOG_INFO("server.loading", ">> Loaded 0 battlegrounds. DB table `battleground_template` is empty.");
 return;
 }
 
 uint32 count = 0;
 
 do
 {
 Field* fields = result->Fetch();
 
 BattlegroundTypeId bgTypeId = BattlegroundTypeId(fields[0].GetUInt32());
 
 if (DisableMgr::IsDisabledFor(DISABLE_TYPE_BATTLEGROUND, bgTypeId, nullptr))
 continue;
 
 // can be overwrite by values from DB
 BattlemasterListEntry const* bl = sBattlemasterListStore.LookupEntry(bgTypeId);
 if (!bl)
 {
 TC_LOG_ERROR("bg.battleground", "Battleground ID {} could not be found in BattlemasterList.dbc. The battleground was not created.", bgTypeId);
 continue;
 }
 
 BattlegroundTemplate& bgTemplate = _battlegroundTemplates[bgTypeId];
 bgTemplate.Id = bgTypeId;
 float dist = fields[3].GetFloat();
 bgTemplate.MaxStartDistSq = dist * dist;
 bgTemplate.Weight = fields[4].GetUInt8();
 bgTemplate.ScriptId = sObjectMgr->GetScriptId(fields[5].GetString());
 bgTemplate.BattlemasterEntry = bl;
 
 if (bgTemplate.Id != BATTLEGROUND_AA && !IsRandomBattleground(bgTemplate.Id))
 {
 uint32 startId = fields[1].GetUInt32();
 if (WorldSafeLocsEntry const* start = sObjectMgr->GetWorldSafeLoc(startId))
 bgTemplate.StartLocation[TEAM_ALLIANCE] = start;
 else if (bgTemplate.StartLocation[TEAM_ALLIANCE]) // reload case
 TC_LOG_ERROR("sql.sql", "Table `battleground_template` for id {} contains a non-existing WorldSafeLocs.dbc id {} in field `AllianceStartLoc`. Ignoring.", bgTemplate.Id, startId);
 else
 {
 TC_LOG_ERROR("sql.sql", "Table `battleground_template` for id {} contains a non-existing WorldSafeLocs.dbc id {} in field `AllianceStartLoc`. BG not created.", bgTemplate.Id, startId);
 _battlegroundTemplates.erase(bgTypeId);
 continue;
 }
 
 startId = fields[2].GetUInt32();
 if (WorldSafeLocsEntry const* start = sObjectMgr->GetWorldSafeLoc(startId))
 bgTemplate.StartLocation[TEAM_HORDE] = start;
 else if (bgTemplate.StartLocation[TEAM_HORDE]) // reload case
 TC_LOG_ERROR("sql.sql", "Table `battleground_template` for id {} contains a non-existing WorldSafeLocs.dbc id {} in field `HordeStartLoc`. Ignoring.", bgTemplate.Id, startId);
 else
 {
 TC_LOG_ERROR("sql.sql", "Table `battleground_template` for id {} contains a non-existing WorldSafeLocs.dbc id {} in field `HordeStartLoc`. BG not created.", bgTemplate.Id, startId);
 _battlegroundTemplates.erase(bgTypeId);
 continue;
 }
 }
 
 if (bgTemplate.BattlemasterEntry->MapID[1] == -1) // in this case we have only one mapId
 _battlegroundMapTemplates[bgTemplate.BattlemasterEntry->MapID[0]] = &_battlegroundTemplates[bgTypeId];
 
 ++count;
 }
 while (result->NextRow());
 
 TC_LOG_INFO("server.loading", ">> Loaded {} battlegrounds in {} ms", count, GetMSTimeDiffToNow(oldMSTime));
}
 
void BattlegroundMgr::SendBattlegroundList(Player* player, ObjectGuid const& guid, BattlegroundTypeId bgTypeId)
{
 BattlegroundTemplate const* bgTemplate = GetBattlegroundTemplateByTypeId(bgTypeId);
 if (!bgTemplate)
 return;
 
 WorldPackets::Battleground::BattlefieldList battlefieldList;
 battlefieldList.BattlemasterGuid = guid;
 battlefieldList.BattlemasterListID = bgTypeId;
 battlefieldList.MinLevel = bgTemplate->GetMinLevel();
 battlefieldList.MaxLevel = bgTemplate->GetMaxLevel();
 battlefieldList.PvpAnywhere = guid.IsEmpty();
 battlefieldList.HasRandomWinToday = player->GetRandomWinner();
 player->SendDirectMessage(battlefieldList.Write());
}
 
void BattlegroundMgr::SendToBattleground(Player* player, uint32 instanceId, BattlegroundTypeId bgTypeId)
{
 if (Battleground* bg = GetBattleground(instanceId, bgTypeId))
 {
 uint32 mapid = bg->GetMapId();
 Team team = player->GetBGTeam();
 
 WorldSafeLocsEntry const* pos = bg->GetTeamStartPosition(Battleground::GetTeamIndexByTeamId(team));
 TC_LOG_DEBUG("bg.battleground", "BattlegroundMgr::SendToBattleground: Sending {} to map {}, {} (bgType {})", player->GetName(), mapid, pos->Loc.ToString(), bgTypeId);
 player->TeleportTo(pos->Loc);
 }
 else
 TC_LOG_ERROR("bg.battleground", "BattlegroundMgr::SendToBattleground: Instance {} (bgType {}) not found while trying to teleport player {}", instanceId, bgTypeId, player->GetName());
}
 
bool BattlegroundMgr::IsArenaType(BattlegroundTypeId bgTypeId)
{
 return bgTypeId == BATTLEGROUND_AA
 || bgTypeId == BATTLEGROUND_BE
 || bgTypeId == BATTLEGROUND_NA
 || bgTypeId == BATTLEGROUND_DS
 || bgTypeId == BATTLEGROUND_RV
 || bgTypeId == BATTLEGROUND_RL;
}
 
bool BattlegroundMgr::IsRandomBattleground(uint32 battlemasterListId)
{
 return battlemasterListId == BATTLEGROUND_RB || battlemasterListId == BATTLEGROUND_RANDOM_EPIC;
}
 
BattlegroundQueueTypeId BattlegroundMgr::BGQueueTypeId(uint16 battlemasterListId, BattlegroundQueueIdType type, bool rated, uint8 teamSize)
{
 return { battlemasterListId, AsUnderlyingType(type), rated, teamSize };
}
 
void BattlegroundMgr::ToggleTesting()
{
 m_Testing = !m_Testing;
 sWorld->SendWorldText(m_Testing ? LANG_DEBUG_BG_ON : LANG_DEBUG_BG_OFF);
}
 
void BattlegroundMgr::ToggleArenaTesting()
{
 m_ArenaTesting = !m_ArenaTesting;
 sWorld->SendWorldText(m_ArenaTesting ? LANG_DEBUG_ARENA_ON : LANG_DEBUG_ARENA_OFF);
}
 
bool BattlegroundMgr::IsValidQueueId(BattlegroundQueueTypeId bgQueueTypeId)
{
 BattlemasterListEntry const* battlemasterList = sBattlemasterListStore.LookupEntry(bgQueueTypeId.BattlemasterListId);
 if (!battlemasterList)
 return false;
 
 switch (BattlegroundQueueIdType(bgQueueTypeId.Type))
 {
 case BattlegroundQueueIdType::Battleground:
 if (battlemasterList->InstanceType != MAP_BATTLEGROUND)
 return false;
 if (bgQueueTypeId.TeamSize)
 return false;
 break;
 case BattlegroundQueueIdType::Arena:
 if (battlemasterList->InstanceType != MAP_ARENA)
 return false;
 if (!bgQueueTypeId.Rated)
 return false;
 if (!bgQueueTypeId.TeamSize)
 return false;
 break;
 case BattlegroundQueueIdType::Wargame:
 if (bgQueueTypeId.Rated)
 return false;
 break;
 case BattlegroundQueueIdType::ArenaSkirmish:
 if (battlemasterList->InstanceType != MAP_ARENA)
 return false;
 if (!bgQueueTypeId.Rated)
 return false;
 if (bgQueueTypeId.TeamSize != ARENA_TYPE_3v3)
 return false;
 break;
 default:
 return false;
 }
 
 return true;
}
 
void BattlegroundMgr::ScheduleQueueUpdate(uint32 arenaMatchmakerRating, BattlegroundQueueTypeId bgQueueTypeId, BattlegroundBracketId bracket_id)
{
 //This method must be atomic, @todo add mutex
 //we will use only 1 number created of bgTypeId and bracket_id
 ScheduledQueueUpdate scheduleId{ arenaMatchmakerRating, bgQueueTypeId, bracket_id };
 if (std::find(m_QueueUpdateScheduler.begin(), m_QueueUpdateScheduler.end(), scheduleId) == m_QueueUpdateScheduler.end())
 m_QueueUpdateScheduler.push_back(scheduleId);
}
 
uint32 BattlegroundMgr::GetMaxRatingDifference() const
{
 // this is for stupid people who can't use brain and set max rating difference to 0
 uint32 diff = sWorld->getIntConfig(CONFIG_ARENA_MAX_RATING_DIFFERENCE);
 if (diff == 0)
 diff = 5000;
 return diff;
}
 
uint32 BattlegroundMgr::GetRatingDiscardTimer() const
{
 return sWorld->getIntConfig(CONFIG_ARENA_RATING_DISCARD_TIMER);
}
 
uint32 BattlegroundMgr::GetPrematureFinishTime() const
{
 return sWorld->getIntConfig(CONFIG_BATTLEGROUND_PREMATURE_FINISH_TIMER);
}
 
void BattlegroundMgr::LoadBattleMastersEntry()
{
 uint32 oldMSTime = getMSTime();
 
 mBattleMastersMap.clear(); // need for reload case
 
 QueryResult result = WorldDatabase.Query("SELECT entry, bg_template FROM battlemaster_entry");
 
 if (!result)
 {
 TC_LOG_INFO("server.loading", ">> Loaded 0 battlemaster entries. DB table `battlemaster_entry` is empty!");
 return;
 }
 
 uint32 count = 0;
 
 do
 {
 ++count;
 
 Field* fields = result->Fetch();
 
 uint32 entry = fields[0].GetUInt32();
 if (CreatureTemplate const* cInfo = sObjectMgr->GetCreatureTemplate(entry))
 {
 if ((cInfo->npcflag & UNIT_NPC_FLAG_BATTLEMASTER) == 0)
 TC_LOG_ERROR("sql.sql", "Creature (Entry: {}) listed in `battlemaster_entry` is not a battlemaster.", entry);
 }
 else
 {
 TC_LOG_ERROR("sql.sql", "Creature (Entry: {}) listed in `battlemaster_entry` does not exist.", entry);
 continue;
 }
 
 uint32 bgTypeId = fields[1].GetUInt32();
 if (!sBattlemasterListStore.LookupEntry(bgTypeId))
 {
 TC_LOG_ERROR("sql.sql", "Table `battlemaster_entry` contains entry {} for a non-existing battleground type {}, ignored.", entry, bgTypeId);
 continue;
 }
 
 mBattleMastersMap[entry] = BattlegroundTypeId(bgTypeId);
 }
 while (result->NextRow());
 
 CheckBattleMasters();
 
 TC_LOG_INFO("server.loading", ">> Loaded {} battlemaster entries in {} ms", count, GetMSTimeDiffToNow(oldMSTime));
}
 
void BattlegroundMgr::CheckBattleMasters()
{
 CreatureTemplateContainer const& ctc = sObjectMgr->GetCreatureTemplates();
 for (auto const& creatureTemplatePair : ctc)
 {
 if ((creatureTemplatePair.second.npcflag & UNIT_NPC_FLAG_BATTLEMASTER) && !mBattleMastersMap.count(creatureTemplatePair.first))
 {
 TC_LOG_ERROR("sql.sql", "Creature_Template Entry: {} has UNIT_NPC_FLAG_BATTLEMASTER, but no data in the `battlemaster_entry` table. Removing flag.", creatureTemplatePair.first);
 const_cast<CreatureTemplate&>(creatureTemplatePair.second).npcflag &= ~UNIT_NPC_FLAG_BATTLEMASTER;
 }
 }
}
 
HolidayIds BattlegroundMgr::BGTypeToWeekendHolidayId(BattlegroundTypeId bgTypeId)
{
 switch (bgTypeId)
 {
 case BATTLEGROUND_AV: return HOLIDAY_CALL_TO_ARMS_AV;
 case BATTLEGROUND_EY: return HOLIDAY_CALL_TO_ARMS_ES;
 case BATTLEGROUND_WS: return HOLIDAY_CALL_TO_ARMS_WG;
 case BATTLEGROUND_SA: return HOLIDAY_CALL_TO_ARMS_SA;
 case BATTLEGROUND_AB: return HOLIDAY_CALL_TO_ARMS_AB;
 case BATTLEGROUND_IC: return HOLIDAY_CALL_TO_ARMS_IC;
 case BATTLEGROUND_TP: return HOLIDAY_CALL_TO_ARMS_TP;
 case BATTLEGROUND_BFG: return HOLIDAY_CALL_TO_ARMS_BG;
 default: return HOLIDAY_NONE;
 }
}
 
BattlegroundTypeId BattlegroundMgr::WeekendHolidayIdToBGType(HolidayIds holiday)
{
 switch (holiday)
 {
 case HOLIDAY_CALL_TO_ARMS_AV: return BATTLEGROUND_AV;
 case HOLIDAY_CALL_TO_ARMS_ES: return BATTLEGROUND_EY;
 case HOLIDAY_CALL_TO_ARMS_WG: return BATTLEGROUND_WS;
 case HOLIDAY_CALL_TO_ARMS_SA: return BATTLEGROUND_SA;
 case HOLIDAY_CALL_TO_ARMS_AB: return BATTLEGROUND_AB;
 case HOLIDAY_CALL_TO_ARMS_IC: return BATTLEGROUND_IC;
 case HOLIDAY_CALL_TO_ARMS_TP: return BATTLEGROUND_TP;
 case HOLIDAY_CALL_TO_ARMS_BG: return BATTLEGROUND_BFG;
 default: return BATTLEGROUND_TYPE_NONE;
 }
}
 
bool BattlegroundMgr::IsBGWeekend(BattlegroundTypeId bgTypeId)
{
 return IsHolidayActive(BGTypeToWeekendHolidayId(bgTypeId));
}
 
BattlegroundTypeId BattlegroundMgr::GetRandomBG(BattlegroundTypeId bgTypeId)
{
 if (BattlegroundTemplate const* bgTemplate = GetBattlegroundTemplateByTypeId(bgTypeId))
 {
 std::vector<BattlegroundTypeId> ids;
 ids.reserve(16);
 std::vector<double> weights;
 weights.reserve(16);
 for (int32 mapId : bgTemplate->BattlemasterEntry->MapID)
 {
 if (mapId == -1)
 break;
 
 if (BattlegroundTemplate const* bg = GetBattlegroundTemplateByMapId(mapId))
 {
 ids.push_back(bg->Id);
 weights.push_back(bg->Weight);
 }
 }
 
 return *Trinity::Containers::SelectRandomWeightedContainerElement(ids, std::span(weights));
 }
 
 return BATTLEGROUND_TYPE_NONE;
}
 
BGFreeSlotQueueContainer& BattlegroundMgr::GetBGFreeSlotQueueStore(uint32 mapId)
{
 return m_BGFreeSlotQueue[mapId];
}
 
void BattlegroundMgr::AddToBGFreeSlotQueue(Battleground* bg)
{
 m_BGFreeSlotQueue[bg->GetMapId()].push_front(bg);
}
 
void BattlegroundMgr::RemoveFromBGFreeSlotQueue(uint32 mapId, uint32 instanceId)
{
 BGFreeSlotQueueContainer& queues = m_BGFreeSlotQueue[mapId];
 for (BGFreeSlotQueueContainer::iterator itr = queues.begin(); itr != queues.end(); ++itr)
 if ((*itr)->GetInstanceID() == instanceId)
 {
 queues.erase(itr);
 return;
 }
}
 
void BattlegroundMgr::AddBattleground(Battleground* bg)
{
 if (bg)
 {
 Trinity::unique_trackable_ptr<Battleground>& ptr = bgDataStore[bg->GetTypeID()].m_Battlegrounds[bg->GetInstanceID()];
 ptr.reset(bg);
 bg->SetWeakPtr(ptr);
 }
}