Group.cpp

Go to the documentation of this file.

/*
 * 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 "Group.h"
#include "Battleground.h"
#include "BattlegroundMgr.h"
#include "Common.h"
#include "CharacterCache.h"
#include "DatabaseEnv.h"
#include "Formulas.h"
#include "GameObject.h"
#include "GroupMgr.h"
#include "InstanceSaveMgr.h"
#include "LootMgr.h"
#include "ObjectAccessor.h"
#include "ObjectMgr.h"
#include "Opcodes.h"
#include "Player.h"
#include "MapManager.h"
#include "Log.h"
#include "LFGMgr.h"
#include "Random.h"
#include "SpellAuras.h"
#include "UpdateData.h"
#include "UpdateFieldFlags.h"
#include "Util.h"
#include "World.h"
#include "WorldPacket.h"
#include "WorldSession.h"
 
Roll::Roll(ObjectGuid _guid, LootItem const& li) : itemGUID(_guid), itemid(li.itemid),
itemRandomPropId(li.randomPropertyId), itemRandomPropertySeed(li.randomPropertySeed), itemCount(li.count),
totalPlayersRolling(0), totalNeed(0), totalGreed(0), totalPass(0), itemSlot(0),
rollVoteMask(ROLL_ALL_TYPE_NO_DISENCHANT) { }
 
Roll::~Roll() { }
 
void Roll::setLoot(Loot* pLoot)
{
    link(pLoot, this);
}
 
Loot* Roll::getLoot()
{
    return getTarget();
}
 
Group::Group() : m_leaderGuid(), m_leaderName(""), m_groupType(GROUPTYPE_NORMAL),
m_dungeonDifficulty(DUNGEON_DIFFICULTY_NORMAL), m_raidDifficulty(RAID_DIFFICULTY_10MAN_NORMAL),
m_bgGroup(nullptr), m_bfGroup(nullptr), m_lootMethod(FREE_FOR_ALL), m_lootThreshold(ITEM_QUALITY_UNCOMMON), m_looterGuid(),
m_masterLooterGuid(), m_subGroupsCounts(nullptr), m_guid(), m_counter(0), m_maxEnchantingLevel(0), m_dbStoreId(0), m_isLeaderOffline(false),
m_scriptRef(this, NoopGroupDeleter())
{
    for (uint8 i = 0; i < TARGET_ICONS_COUNT; ++i)
        m_targetIcons[i].Clear();
}
 
Group::~Group()
{
    if (m_bgGroup)
    {
        TC_LOG_DEBUG("bg.battleground", "Group::~Group: battleground group being deleted.");
        if (m_bgGroup->GetBgRaid(ALLIANCE) == this)
            m_bgGroup->SetBgRaid(ALLIANCE, nullptr);
        else if (m_bgGroup->GetBgRaid(HORDE) == this)
            m_bgGroup->SetBgRaid(HORDE, nullptr);
        else
            TC_LOG_ERROR("misc", "Group::~Group: battleground group is not linked to the correct battleground.");
    }
    Rolls::iterator itr;
    while (!RollId.empty())
    {
        itr = RollId.begin();
        Roll *r = *itr;
        RollId.erase(itr);
        delete(r);
    }
 
    // this may unload some instance saves
    for (uint8 i = 0; i < MAX_DIFFICULTY; ++i)
        for (BoundInstancesMap::iterator itr2 = m_boundInstances[i].begin(); itr2 != m_boundInstances[i].end(); ++itr2)
            itr2->second.save->RemoveGroup(this);
 
    // Sub group counters clean up
    delete[] m_subGroupsCounts;
}
 
void Group::Update(uint32 diff)
{
    if (m_isLeaderOffline && (m_groupType == GROUPTYPE_NORMAL || m_groupType == GROUPTYPE_RAID))
    {
        m_leaderOfflineTimer.Update(diff);
        if (m_leaderOfflineTimer.Passed())
        {
            SelectNewPartyOrRaidLeader();
            m_isLeaderOffline = false;
        }
    }
}
 
void Group::SelectNewPartyOrRaidLeader()
{
    Player* newLeader = nullptr;
 
    // Attempt to give leadership to main assistant first
    if (m_groupType == GROUPTYPE_RAID)
    {
        for (auto memberSlot : m_memberSlots)
        {
            if ((memberSlot.flags & MEMBER_FLAG_ASSISTANT) == MEMBER_FLAG_ASSISTANT)
                if (Player* player = ObjectAccessor::FindPlayer(memberSlot.guid))
                {
                    newLeader = player;
                    break;
                }
        }
    }
 
    // If there aren't assistants in raid, or if the group is not a raid, pick the first available member
    if (!newLeader)
    {
        for (auto memberSlot : m_memberSlots)
            if (Player* player = ObjectAccessor::FindPlayer(memberSlot.guid))
            {
                newLeader = player;
                break;
            }
    }
 
    if (newLeader)
    {
        ChangeLeader(newLeader->GetGUID());
        SendUpdate();
    }
}
 
bool Group::Create(Player* leader)
{
    ObjectGuid leaderGuid = leader->GetGUID();
 
    m_guid = ObjectGuid::Create<HighGuid::Group>(sGroupMgr->GenerateGroupId());
    m_leaderGuid = leaderGuid;
    m_leaderName = leader->GetName();
    leader->SetFlag(PLAYER_FLAGS, PLAYER_FLAGS_GROUP_LEADER);
 
    if (isBGGroup() || isBFGroup())
        m_groupType = GROUPTYPE_BGRAID;
 
    if (m_groupType & GROUPTYPE_RAID)
        _initRaidSubGroupsCounter();
 
    if (!isLFGGroup())
        m_lootMethod = GROUP_LOOT;
 
    m_lootThreshold = ITEM_QUALITY_UNCOMMON;
    m_looterGuid = leaderGuid;
    m_masterLooterGuid.Clear();
 
    m_dungeonDifficulty = DUNGEON_DIFFICULTY_NORMAL;
    m_raidDifficulty = RAID_DIFFICULTY_10MAN_NORMAL;
 
    if (!isBGGroup() && !isBFGroup())
    {
        m_dungeonDifficulty = leader->GetDungeonDifficultyID();
        m_raidDifficulty = leader->GetRaidDifficultyID();
 
        m_dbStoreId = sGroupMgr->GenerateNewGroupDbStoreId();
 
        sGroupMgr->RegisterGroupDbStoreId(m_dbStoreId, this);
 
        // Store group in database
        CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_INS_GROUP);
 
        uint8 index = 0;
 
        stmt->setUInt32(index++, m_dbStoreId);
        stmt->setUInt32(index++, m_leaderGuid.GetCounter());
        stmt->setUInt8(index++, uint8(m_lootMethod));
        stmt->setUInt32(index++, m_looterGuid.GetCounter());
        stmt->setUInt8(index++, uint8(m_lootThreshold));
        stmt->setUInt64(index++, m_targetIcons[0].GetRawValue());
        stmt->setUInt64(index++, m_targetIcons[1].GetRawValue());
        stmt->setUInt64(index++, m_targetIcons[2].GetRawValue());
        stmt->setUInt64(index++, m_targetIcons[3].GetRawValue());
        stmt->setUInt64(index++, m_targetIcons[4].GetRawValue());
        stmt->setUInt64(index++, m_targetIcons[5].GetRawValue());
        stmt->setUInt64(index++, m_targetIcons[6].GetRawValue());
        stmt->setUInt64(index++, m_targetIcons[7].GetRawValue());
        stmt->setUInt8(index++, uint8(m_groupType));
        stmt->setUInt32(index++, uint8(m_dungeonDifficulty));
        stmt->setUInt32(index++, uint8(m_raidDifficulty));
        stmt->setUInt32(index++, m_masterLooterGuid.GetCounter());
 
        CharacterDatabase.Execute(stmt);
 
        Group::ConvertLeaderInstancesToGroup(leader, this, false);
 
        bool addMemberResult = AddMember(leader);
        ASSERT(addMemberResult); // If the leader can't be added to a new group because it appears full, something is clearly wrong.
    }
    else if (!AddMember(leader))
        return false;
 
    return true;
}
 
void Group::LoadGroupFromDB(Field* fields)
{
    m_dbStoreId = fields[16].GetUInt32();
    m_guid = ObjectGuid::Create<HighGuid::Group>(sGroupMgr->GenerateGroupId());
    m_leaderGuid = ObjectGuid::Create<HighGuid::Player>(fields[0].GetUInt32());
 
    // group leader not exist
    if (!sCharacterCache->GetCharacterNameByGuid(m_leaderGuid, m_leaderName))
        return;
 
    m_lootMethod = LootMethod(fields[1].GetUInt8());
    m_looterGuid = ObjectGuid::Create<HighGuid::Player>(fields[2].GetUInt32());
    m_lootThreshold = ItemQualities(fields[3].GetUInt8());
 
    for (uint8 i = 0; i < TARGET_ICONS_COUNT; ++i)
        m_targetIcons[i].SetRawValue(fields[4 + i].GetUInt64());
 
    m_groupType  = GroupType(fields[12].GetUInt8());
    if (m_groupType & GROUPTYPE_RAID)
        _initRaidSubGroupsCounter();
 
    m_dungeonDifficulty = Player::CheckLoadedDungeonDifficultyID(Difficulty(fields[13].GetUInt8()));
    m_raidDifficulty = Player::CheckLoadedRaidDifficultyID(Difficulty(fields[14].GetUInt8()));
 
    m_masterLooterGuid = fields[15].GetUInt32() ? ObjectGuid::Create<HighGuid::Player>(fields[15].GetUInt32()) : ObjectGuid::Empty;
 
    if (m_groupType & GROUPTYPE_LFG)
        sLFGMgr->_LoadFromDB(fields, GetGUID());
}
 
void Group::LoadMemberFromDB(ObjectGuid::LowType guidLow, uint8 memberFlags, uint8 subgroup, uint8 roles)
{
    MemberSlot member;
    member.guid = ObjectGuid::Create<HighGuid::Player>(guidLow);
 
    // skip non-existed member
    if (!sCharacterCache->GetCharacterNameByGuid(member.guid, member.name))
    {
        CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_DEL_GROUP_MEMBER);
        stmt->setUInt32(0, guidLow);
        CharacterDatabase.Execute(stmt);
        return;
    }
 
    member.group = subgroup;
    member.flags = memberFlags;
    member.roles = roles;
 
    m_memberSlots.push_back(member);
 
    SubGroupCounterIncrease(subgroup);
 
    sLFGMgr->SetupGroupMember(member.guid, GetGUID());
}
 
void Group::ConvertToLFG()
{
    m_groupType = GroupType(m_groupType | GROUPTYPE_LFG | GROUPTYPE_LFG_RESTRICTED);
    m_lootMethod = NEED_BEFORE_GREED;
    if (!isBGGroup() && !isBFGroup())
    {
        CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_UPD_GROUP_TYPE);
 
        stmt->setUInt8(0, uint8(m_groupType));
        stmt->setUInt32(1, m_dbStoreId);
 
        CharacterDatabase.Execute(stmt);
    }
 
    SendUpdate();
}
 
void Group::ConvertToRaid()
{
    m_groupType = GroupType(m_groupType | GROUPTYPE_RAID);
 
    _initRaidSubGroupsCounter();
 
    if (!isBGGroup() && !isBFGroup())
    {
        CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_UPD_GROUP_TYPE);
 
        stmt->setUInt8(0, uint8(m_groupType));
        stmt->setUInt32(1, m_dbStoreId);
 
        CharacterDatabase.Execute(stmt);
    }
 
    SendUpdate();
 
    // update quest related GO states (quest activity dependent from raid membership)
    for (member_citerator citr = m_memberSlots.begin(); citr != m_memberSlots.end(); ++citr)
        if (Player* player = ObjectAccessor::FindPlayer(citr->guid))
            player->UpdateVisibleGameobjectsOrSpellClicks();
}
 
bool Group::AddInvite(Player* player)
{
    if (!player || player->GetGroupInvite())
        return false;
    Group* group = player->GetGroup();
    if (group && (group->isBGGroup() || group->isBFGroup()))
        group = player->GetOriginalGroup();
    if (group)
        return false;
 
    RemoveInvite(player);
 
    m_invitees.insert(player);
 
    player->SetGroupInvite(this);
 
    sScriptMgr->OnGroupInviteMember(this, player->GetGUID());
 
    return true;
}
 
bool Group::AddLeaderInvite(Player* player)
{
    if (!AddInvite(player))
        return false;
 
    m_leaderGuid = player->GetGUID();
    m_leaderName = player->GetName();
    return true;
}
 
void Group::RemoveInvite(Player* player)
{
    if (player)
    {
        m_invitees.erase(player);
        player->SetGroupInvite(nullptr);
    }
}
 
void Group::RemoveAllInvites()
{
    for (InvitesList::iterator itr = m_invitees.begin(); itr != m_invitees.end(); ++itr)
        if (*itr)
            (*itr)->SetGroupInvite(nullptr);
 
    m_invitees.clear();
}
 
Player* Group::GetInvited(ObjectGuid guid) const
{
    for (InvitesList::const_iterator itr = m_invitees.begin(); itr != m_invitees.end(); ++itr)
    {
        if ((*itr) && (*itr)->GetGUID() == guid)
            return (*itr);
    }
    return nullptr;
}
 
Player* Group::GetInvited(const std::string& name) const
{
    for (InvitesList::const_iterator itr = m_invitees.begin(); itr != m_invitees.end(); ++itr)
    {
        if ((*itr) && (*itr)->GetName() == name)
            return (*itr);
    }
    return nullptr;
}
 
bool Group::AddMember(Player* player)
{
    // Get first not-full group
    uint8 subGroup = 0;
    if (m_subGroupsCounts)
    {
        bool groupFound = false;
        for (; subGroup < MAX_RAID_SUBGROUPS; ++subGroup)
        {
            if (m_subGroupsCounts[subGroup] < MAX_GROUP_SIZE)
            {
                groupFound = true;
                break;
            }
        }
        // We are raid group and no one slot is free
        if (!groupFound)
            return false;
    }
 
    MemberSlot member;
    member.guid      = player->GetGUID();
    member.name      = player->GetName();
    member.group     = subGroup;
    member.flags     = 0;
    member.roles     = 0;
    m_memberSlots.push_back(member);
 
    SubGroupCounterIncrease(subGroup);
 
    player->SetGroupInvite(nullptr);
    if (player->GetGroup())
    {
        if (isBGGroup() || isBFGroup()) // if player is in group and he is being added to BG raid group, then call SetBattlegroundRaid()
            player->SetBattlegroundOrBattlefieldRaid(this, subGroup);
        else //if player is in bg raid and we are adding him to normal group, then call SetOriginalGroup()
            player->SetOriginalGroup(this, subGroup);
    }
    else //if player is not in group, then call set group
        player->SetGroup(this, subGroup);
 
    // if the same group invites the player back, cancel the homebind timer
    player->m_InstanceValid = player->CheckInstanceValidity(false);
 
    if (!isRaidGroup())                                      // reset targetIcons for non-raid-groups
    {
        for (uint8 i = 0; i < TARGET_ICONS_COUNT; ++i)
            m_targetIcons[i].Clear();
    }
 
    // insert into the table if we're not a battleground group
    if (!isBGGroup() && !isBFGroup())
    {
        CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_INS_GROUP_MEMBER);
 
        stmt->setUInt32(0, m_dbStoreId);
        stmt->setUInt32(1, member.guid.GetCounter());
        stmt->setUInt8(2, member.flags);
        stmt->setUInt8(3, member.group);
        stmt->setUInt8(4, member.roles);
 
        CharacterDatabase.Execute(stmt);
    }
 
    SendUpdate();
    sScriptMgr->OnGroupAddMember(this, player->GetGUID());
 
    if (!IsLeader(player->GetGUID()) && !isBGGroup() && !isBFGroup())
    {
        // reset the new member's instances, unless he is currently in one of them
        // including raid/heroic instances that they are not permanently bound to!
        player->ResetInstances(INSTANCE_RESET_GROUP_JOIN, false);
        player->ResetInstances(INSTANCE_RESET_GROUP_JOIN, true);
    }
    player->SetGroupUpdateFlag(GROUP_UPDATE_FULL);
    UpdatePlayerOutOfRange(player);
 
    // quest related GO state dependent from raid membership
    if (isRaidGroup())
        player->UpdateVisibleGameobjectsOrSpellClicks();
 
    {
        // Broadcast new player group member fields to rest of the group
        player->SetFieldNotifyFlag(UF_FLAG_PARTY_MEMBER);
 
        UpdateData groupData;
        WorldPacket groupDataPacket;
 
        // Broadcast group members' fields to player
        for (GroupReference* itr = GetFirstMember(); itr != nullptr; itr = itr->next())
        {
            if (itr->GetSource() == player)
                continue;
 
            if (Player* existingMember = itr->GetSource())
            {
                if (player->HaveAtClient(existingMember))
                {
                    existingMember->SetFieldNotifyFlag(UF_FLAG_PARTY_MEMBER);
                    existingMember->BuildValuesUpdateBlockForPlayer(&groupData, player);
                    existingMember->RemoveFieldNotifyFlag(UF_FLAG_PARTY_MEMBER);
                }
 
                if (existingMember->HaveAtClient(player))
                {
                    UpdateData newData;
                    WorldPacket newDataPacket;
                    player->BuildValuesUpdateBlockForPlayer(&newData, existingMember);
                    if (newData.HasData())
                    {
                        newData.BuildPacket(&newDataPacket);
                        existingMember->SendDirectMessage(&newDataPacket);
                    }
                }
            }
        }
 
        if (groupData.HasData())
        {
            groupData.BuildPacket(&groupDataPacket);
            player->SendDirectMessage(&groupDataPacket);
        }
 
        player->RemoveFieldNotifyFlag(UF_FLAG_PARTY_MEMBER);
    }
 
    if (m_maxEnchantingLevel < player->GetSkillValue(SKILL_ENCHANTING))
        m_maxEnchantingLevel = player->GetSkillValue(SKILL_ENCHANTING);
 
    return true;
}
 
bool Group::RemoveMember(ObjectGuid guid, RemoveMethod const& method /*= GROUP_REMOVEMETHOD_DEFAULT*/, ObjectGuid kicker /*= ObjectGuid::Empty*/, char const* reason /*= nullptr*/)
{
    BroadcastGroupUpdate();
 
    sScriptMgr->OnGroupRemoveMember(this, guid, method, kicker, reason);
 
    Player* player = ObjectAccessor::FindConnectedPlayer(guid);
    if (player)
    {
        for (GroupReference* itr = GetFirstMember(); itr != nullptr; itr = itr->next())
        {
            if (Player* groupMember = itr->GetSource())
            {
                if (groupMember->GetGUID() == guid)
                    continue;
 
                groupMember->RemoveAllGroupBuffsFromCaster(guid);
                player->RemoveAllGroupBuffsFromCaster(groupMember->GetGUID());
            }
        }
    }
 
    // LFG group vote kick handled in scripts
    if (isLFGGroup() && method == GROUP_REMOVEMETHOD_KICK)
        return !m_memberSlots.empty();
 
    // remove member and change leader (if need) only if strong more 2 members _before_ member remove (BG/BF allow 1 member group)
    if (GetMembersCount() > ((isBGGroup() || isLFGGroup() || isBFGroup()) ? 1u : 2u))
    {
        if (player)
        {
            bool isOriginalGroup = false;
 
            // Battleground group handling
            if (isBGGroup() || isBFGroup())
                player->RemoveFromBattlegroundOrBattlefieldRaid();
            else
            // Regular group
            {
                if (player->GetOriginalGroup() == this)
                {
                    player->SetOriginalGroup(nullptr);
                    isOriginalGroup = true;
                }
                else
                    player->SetGroup(nullptr);
 
                // quest related GO state dependent from raid membership
                player->UpdateVisibleGameobjectsOrSpellClicks();
            }
 
            WorldPacket data;
 
            if (method == GROUP_REMOVEMETHOD_KICK || method == GROUP_REMOVEMETHOD_KICK_LFG)
            {
                data.Initialize(SMSG_GROUP_UNINVITE, 0);
                player->SendDirectMessage(&data);
            }
 
            // if we had OriginalGroup (now in Group slot after removal) we need to notify the client to replace group data
            if (Group* group = player->GetGroup())
                group->SendUpdateToPlayer(player);
            else
            {
                data.Initialize(SMSG_GROUP_LIST, 1 + 1 + 1 + 1 + 8 + 4 + 4 + 8);
                data << uint8(0x10) << uint8(0) << uint8(0) << uint8(0);
                data << m_guid << uint32(m_counter) << uint32(0) << ObjectGuid::Empty;
                player->SendDirectMessage(&data);
            }
 
            // if player left his original group but not bg/lfg group then we need to update values reported by Lua_GetReal** functions
            if (isOriginalGroup)
            {
                data.Initialize(SMSG_REAL_GROUP_UPDATE, 1 + 4 + 8);
                data << uint8(0x10);
                data << uint32(0);
                data << ObjectGuid::Empty;
                player->SendDirectMessage(&data);
            }
 
            _homebindIfInstance(player);
        }
 
        // Remove player from group in DB
        if (!isBGGroup() && !isBFGroup())
        {
            CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_DEL_GROUP_MEMBER);
            stmt->setUInt32(0, guid.GetCounter());
            CharacterDatabase.Execute(stmt);
            DelinkMember(guid);
        }
 
        // Reevaluate group enchanter if the leaving player had enchanting skill or the player is offline
        if (!player || player->GetSkillValue(SKILL_ENCHANTING))
            ResetMaxEnchantingLevel();
 
        // Remove player from loot rolls
        for (Rolls::iterator it = RollId.begin(); it != RollId.end(); ++it)
        {
            Roll* roll = *it;
            Roll::PlayerVote::iterator itr2 = roll->playerVote.find(guid);
            if (itr2 == roll->playerVote.end())
                continue;
 
            if (itr2->second == GREED || itr2->second == DISENCHANT)
                --roll->totalGreed;
            else if (itr2->second == NEED)
                --roll->totalNeed;
            else if (itr2->second == PASS)
                --roll->totalPass;
 
            if (itr2->second != NOT_VALID)
                --roll->totalPlayersRolling;
 
            roll->playerVote.erase(itr2);
 
            CountRollVote(guid, roll->itemGUID, MAX_ROLL_TYPE);
        }
 
        // Update subgroups
        member_witerator slot = _getMemberWSlot(guid);
        if (slot != m_memberSlots.end())
        {
            SubGroupCounterDecrease(slot->group);
            m_memberSlots.erase(slot);
        }
 
        // Pick new leader if necessary
        if (m_leaderGuid == guid)
        {
            for (member_witerator itr = m_memberSlots.begin(); itr != m_memberSlots.end(); ++itr)
            {
                if (ObjectAccessor::FindConnectedPlayer(itr->guid))
                {
                    ChangeLeader(itr->guid);
                    break;
                }
            }
        }
 
        SendUpdate();
 
        if (isLFGGroup() && GetMembersCount() == 1)
        {
            Player* leader = ObjectAccessor::FindConnectedPlayer(GetLeaderGUID());
            uint32 mapId = sLFGMgr->GetDungeonMapId(GetGUID());
            if (!mapId || !leader || (leader->IsAlive() && leader->GetMapId() != mapId))
            {
                Disband();
                return false;
            }
        }
 
        if (m_memberMgr.getSize() < ((isLFGGroup() || isBGGroup()) ? 1u : 2u))
            Disband();
 
        return true;
    }
    // If group size before player removal <= 2 then disband it
    else
    {
        Disband();
        return false;
    }
}
 
void Group::ChangeLeader(ObjectGuid newLeaderGuid)
{
    member_witerator slot = _getMemberWSlot(newLeaderGuid);
 
    if (slot == m_memberSlots.end())
        return;
 
    Player* newLeader = ObjectAccessor::FindConnectedPlayer(slot->guid);
 
    // Don't allow switching leader to offline players
    if (!newLeader)
        return;
 
    sScriptMgr->OnGroupChangeLeader(this, newLeaderGuid, m_leaderGuid);
 
    if (!isBGGroup() && !isBFGroup())
    {
        CharacterDatabaseTransaction trans = CharacterDatabase.BeginTransaction();
 
        // Remove the groups permanent instance bindings
        for (uint8 i = 0; i < MAX_DIFFICULTY; ++i)
        {
            for (BoundInstancesMap::iterator itr = m_boundInstances[i].begin(); itr != m_boundInstances[i].end();)
            {
                // Do not unbind saves of instances that already had map created (a newLeader entered)
                // forcing a new instance with another leader requires group disbanding (confirmed on retail)
                if (itr->second.perm && !sMapMgr->FindMap(itr->first, itr->second.save->GetInstanceId()))
                {
                    CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_DEL_GROUP_INSTANCE_PERM_BINDING);
                    stmt->setUInt32(0, m_dbStoreId);
                    stmt->setUInt32(1, itr->second.save->GetInstanceId());
                    trans->Append(stmt);
 
                    itr->second.save->RemoveGroup(this);
                    m_boundInstances[i].erase(itr++);
                }
                else
                    ++itr;
            }
        }
 
        // Copy the permanent binds from the new leader to the group
        Group::ConvertLeaderInstancesToGroup(newLeader, this, true);
 
        // Update the group leader
        CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_UPD_GROUP_LEADER);
 
        stmt->setUInt32(0, newLeader->GetGUID().GetCounter());
        stmt->setUInt32(1, m_dbStoreId);
 
        trans->Append(stmt);
 
        CharacterDatabase.CommitTransaction(trans);
    }
 
    if (Player* oldLeader = ObjectAccessor::FindConnectedPlayer(m_leaderGuid))
        oldLeader->RemoveFlag(PLAYER_FLAGS, PLAYER_FLAGS_GROUP_LEADER);
 
    newLeader->SetFlag(PLAYER_FLAGS, PLAYER_FLAGS_GROUP_LEADER);
    m_leaderGuid = newLeader->GetGUID();
    m_leaderName = newLeader->GetName();
    ToggleGroupMemberFlag(slot, MEMBER_FLAG_ASSISTANT, false);
 
    WorldPacket data(SMSG_GROUP_SET_LEADER, m_leaderName.size()+1);
    data << slot->name;
    BroadcastPacket(&data, true);
}
 
void Group::ConvertLeaderInstancesToGroup(Player* player, Group* group, bool switchLeader)
{
    // copy all binds to the group, when changing leader it's assumed the character
    // will not have any solo binds
    for (uint8 i = 0; i < MAX_DIFFICULTY; ++i)
    {
        for (Player::BoundInstancesMap::iterator itr = player->m_boundInstances[i].begin(); itr != player->m_boundInstances[i].end();)
        {
            if (!switchLeader || !group->GetBoundInstance(itr->second.save->GetDifficultyID(), itr->first))
                if (itr->second.extendState) // not expired
                    group->BindToInstance(itr->second.save, itr->second.perm, false);
 
            // permanent binds are not removed
            if (switchLeader && !itr->second.perm)
            {
                // increments itr in call
                player->UnbindInstance(itr, Difficulty(i), false);
            }
            else
                ++itr;
        }
    }
 
    /* if group leader is in a non-raid dungeon map and nobody is actually bound to this map then the group can "take over" the instance *
    * (example: two-player group disbanded by disconnect where the player reconnects within 60 seconds and the group is reformed)       */
    if (Map* playerMap = player->FindMap())
        if (!switchLeader && playerMap->IsNonRaidDungeon())
            if (InstanceSave* save = sInstanceSaveMgr->GetInstanceSave(playerMap->GetInstanceId()))
                if (save->GetGroupCount() == 0 && save->GetPlayerCount() == 0)
                {
                    TC_LOG_DEBUG("maps", "Group::ConvertLeaderInstancesToGroup: Group for player {} is taking over unbound instance map {} with Id {}", player->GetName(), playerMap->GetId(), playerMap->GetInstanceId());
                    // if nobody is saved to this, then the save wasn't permanent
                    group->BindToInstance(save, false, false);
                }
}
 
void Group::Disband(bool hideDestroy /* = false */)
{
    sScriptMgr->OnGroupDisband(this);
 
    Player* player;
    for (member_citerator citr = m_memberSlots.begin(); citr != m_memberSlots.end(); ++citr)
    {
        player = ObjectAccessor::FindConnectedPlayer(citr->guid);
        if (!player)
            continue;
 
        bool isOriginalGroup = false;
 
        //we cannot call _removeMember because it would invalidate member iterator
        //if we are removing player from battleground raid
        if (isBGGroup() || isBFGroup())
            player->RemoveFromBattlegroundOrBattlefieldRaid();
        else
        {
            //we can remove player who is in battleground from his original group
            if (player->GetOriginalGroup() == this)
            {
                player->SetOriginalGroup(nullptr);
                isOriginalGroup = true;
            }
            else
                player->SetGroup(nullptr);
        }
 
        // quest related GO state dependent from raid membership
        if (isRaidGroup())
            player->UpdateVisibleGameobjectsOrSpellClicks();
 
        if (!player->GetSession())
            continue;
 
        WorldPacket data;
        if (!hideDestroy)
        {
            data.Initialize(SMSG_GROUP_DESTROYED, 0);
            player->SendDirectMessage(&data);
        }
 
        //we already removed player from group and in player->GetGroup() is his original group, send update
        if (Group* group = player->GetGroup())
        {
            group->SendUpdate();
        }
        else
        {
            data.Initialize(SMSG_GROUP_LIST, 1+1+1+1+8+4+4+8);
            data << uint8(0x10) << uint8(0) << uint8(0) << uint8(0);
            data << m_guid << uint32(m_counter) << uint32(0) << ObjectGuid::Empty;
            player->SendDirectMessage(&data);
        }
 
        // if player left his original group but not bg/lfg group then we need to update values reported by Lua_GetReal** functions
        if (isOriginalGroup)
        {
            data.Initialize(SMSG_REAL_GROUP_UPDATE, 1 + 4 + 8);
            data << uint8(0x10);
            data << uint32(0);
            data << ObjectGuid::Empty;
            player->SendDirectMessage(&data);
        }
 
        _homebindIfInstance(player);
    }
 
    m_memberSlots.clear();
 
    RemoveAllInvites();
 
    if (!isBGGroup() && !isBFGroup())
    {
        CharacterDatabaseTransaction trans = CharacterDatabase.BeginTransaction();
 
        CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_DEL_GROUP);
        stmt->setUInt32(0, m_dbStoreId);
        trans->Append(stmt);
 
        stmt = CharacterDatabase.GetPreparedStatement(CHAR_DEL_GROUP_MEMBER_ALL);
        stmt->setUInt32(0, m_dbStoreId);
        trans->Append(stmt);
 
        CharacterDatabase.CommitTransaction(trans);
 
        ResetInstances(INSTANCE_RESET_GROUP_DISBAND, false, nullptr);
        ResetInstances(INSTANCE_RESET_GROUP_DISBAND, true, nullptr);
 
        stmt = CharacterDatabase.GetPreparedStatement(CHAR_DEL_LFG_DATA);
        stmt->setUInt32(0, m_dbStoreId);
        CharacterDatabase.Execute(stmt);
 
        sGroupMgr->FreeGroupDbStoreId(this);
    }
 
    sGroupMgr->RemoveGroup(this);
    delete this;
}
 
/*********************************************************/
/***                   LOOT SYSTEM                     ***/
/*********************************************************/
 
void Group::SendLootStartRoll(uint32 countDown, uint32 mapid, Roll const& r)
{
    WorldPacket data(SMSG_LOOT_START_ROLL, (8+4+4+4+4+4+4+1));
    data << r.itemGUID;                                     // guid of rolled item
    data << uint32(mapid);                                  // 3.3.3 mapid
    data << uint32(r.itemSlot);                             // itemslot
    data << uint32(r.itemid);                               // the itemEntryId for the item that shall be rolled for
    data << uint32(r.itemRandomPropertySeed);               // randomSuffix
    data << uint32(r.itemRandomPropId);                     // item random property ID
    data << uint32(r.itemCount);                            // items in stack
    data << uint32(countDown);                              // the countdown time to choose "need" or "greed"
    data << uint8(r.rollVoteMask);                          // roll type mask
 
    for (Roll::PlayerVote::const_iterator itr=r.playerVote.begin(); itr != r.playerVote.end(); ++itr)
    {
        Player* p = ObjectAccessor::FindConnectedPlayer(itr->first);
        if (!p || !p->GetSession())
            continue;
 
        if (itr->second == NOT_EMITED_YET)
            p->SendDirectMessage(&data);
    }
}
 
void Group::SendLootStartRollToPlayer(uint32 countDown, uint32 mapId, Player* p, bool canNeed, Roll const& r)
{
    if (!p || !p->GetSession())
        return;
 
    WorldPacket data(SMSG_LOOT_START_ROLL, (8 + 4 + 4 + 4 + 4 + 4 + 4 + 1));
    data << r.itemGUID;                                     // guid of rolled item
    data << uint32(mapId);                                  // 3.3.3 mapid
    data << uint32(r.itemSlot);                             // itemslot
    data << uint32(r.itemid);                               // the itemEntryId for the item that shall be rolled for
    data << uint32(r.itemRandomPropertySeed);               // randomSuffix
    data << uint32(r.itemRandomPropId);                     // item random property ID
    data << uint32(r.itemCount);                            // items in stack
    data << uint32(countDown);                              // the countdown time to choose "need" or "greed"
    uint8 voteMask = r.rollVoteMask;
    if (!canNeed)
        voteMask &= ~ROLL_FLAG_TYPE_NEED;
    data << uint8(voteMask);                                // roll type mask
 
    p->SendDirectMessage(&data);
}
 
void Group::SendLootRoll(ObjectGuid sourceGuid, ObjectGuid targetGuid, uint8 rollNumber, uint8 rollType, Roll const& roll, bool autoPass)
{
    WorldPacket data(SMSG_LOOT_ROLL, (8+4+8+4+4+4+1+1+1));
    data << sourceGuid;                                     // guid of the item rolled
    data << uint32(roll.itemSlot);                          // slot
    data << targetGuid;
    data << uint32(roll.itemid);                            // the itemEntryId for the item that shall be rolled for
    data << uint32(roll.itemRandomPropertySeed);            // randomSuffix
    data << uint32(roll.itemRandomPropId);                  // Item random property ID
    data << uint8(rollNumber);                              // 0: "Need for: [item name]" > 127: "you passed on: [item name]"      Roll number
    data << uint8(rollType);                                // 0: "Need for: [item name]" 0: "You have selected need for [item name] 1: need roll 2: greed roll
    data << uint8(autoPass);                                // 1: "You automatically passed on: %s because you cannot loot that item."
 
    for (Roll::PlayerVote::const_iterator itr = roll.playerVote.begin(); itr != roll.playerVote.end(); ++itr)
    {
        Player* p = ObjectAccessor::FindConnectedPlayer(itr->first);
        if (!p || !p->GetSession())
            continue;
 
        if (itr->second != NOT_VALID)
            p->SendDirectMessage(&data);
    }
}
 
void Group::SendLootRollWon(ObjectGuid sourceGuid, ObjectGuid targetGuid, uint8 rollNumber, uint8 rollType, Roll const& roll)
{
    WorldPacket data(SMSG_LOOT_ROLL_WON, (8+4+4+4+4+8+1+1));
    data << sourceGuid;                                     // guid of the item rolled
    data << uint32(roll.itemSlot);                          // slot
    data << uint32(roll.itemid);                            // the itemEntryId for the item that shall be rolled for
    data << uint32(roll.itemRandomPropertySeed);            // randomSuffix
    data << uint32(roll.itemRandomPropId);                  // Item random property
    data << targetGuid;                                     // guid of the player who won.
    data << uint8(rollNumber);                              // rollnumber realted to SMSG_LOOT_ROLL
    data << uint8(rollType);                                // rollType related to SMSG_LOOT_ROLL
 
    for (Roll::PlayerVote::const_iterator itr = roll.playerVote.begin(); itr != roll.playerVote.end(); ++itr)
    {
        Player* p = ObjectAccessor::FindConnectedPlayer(itr->first);
        if (!p || !p->GetSession())
            continue;
 
        if (itr->second != NOT_VALID)
            p->SendDirectMessage(&data);
    }
}
 
void Group::SendLootAllPassed(Roll const& roll)
{
    WorldPacket data(SMSG_LOOT_ALL_PASSED, (8+4+4+4+4));
    data << roll.itemGUID;                                     // Guid of the item rolled
    data << uint32(roll.itemSlot);                             // Item loot slot
    data << uint32(roll.itemid);                               // The itemEntryId for the item that shall be rolled for
    data << uint32(roll.itemRandomPropId);                     // Item random property ID
    data << uint32(roll.itemRandomPropertySeed);               // Item random suffix ID
 
    for (Roll::PlayerVote::const_iterator itr = roll.playerVote.begin(); itr != roll.playerVote.end(); ++itr)
    {
        Player* player = ObjectAccessor::FindConnectedPlayer(itr->first);
        if (!player || !player->GetSession())
            continue;
 
        if (itr->second != NOT_VALID)
            player->SendDirectMessage(&data);
    }
}
 
// notify group members which player is the allowed looter for the given creature
void Group::SendLooter(Creature* creature, Player* groupLooter)
{
    ASSERT(creature);
 
    WorldPacket data(SMSG_LOOT_LIST, (8+8));
    data << creature->GetGUID();
 
    if (GetLootMethod() == MASTER_LOOT && creature->loot.hasOverThresholdItem())
        data << GetMasterLooterGuid().WriteAsPacked();
    else
        data << uint8(0);
 
    if (groupLooter)
        data << groupLooter->GetPackGUID();
    else
        data << uint8(0);
 
    BroadcastPacket(&data, false);
}
 
bool CanRollOnItem(const LootItem& item, Player const* player)
{
    // Players can't roll on unique items if they already reached the maximum quantity of that item
    ItemTemplate const* proto = sObjectMgr->GetItemTemplate(item.itemid);
    if (!proto)
        return false;
 
    uint32 itemCount = player->GetItemCount(item.itemid, true);
    if (proto->GetMaxCount() > 0 && static_cast<int32>(itemCount) >= proto->GetMaxCount())
        return false;
 
    if (!item.AllowedForPlayer(player))
        return false;
 
    return true;
}
 
void Group::GroupLoot(Loot* loot, WorldObject* pLootedObject)
{
    std::vector<LootItem>::iterator i;
    ItemTemplate const* item;
    uint8 itemSlot = 0;
 
    for (i = loot->items.begin(); i != loot->items.end(); ++i, ++itemSlot)
    {
        if (i->freeforall)
            continue;
 
        item = sObjectMgr->GetItemTemplate(i->itemid);
        if (!item)
        {
            //TC_LOG_DEBUG("misc", "Group::GroupLoot: missing item prototype for item with id: {}", i->itemid);
            continue;
        }
 
        //roll for over-threshold item if it's one-player loot
        if (item->GetQuality() >= uint32(m_lootThreshold))
        {
            ObjectGuid newitemGUID = ObjectGuid::Create<HighGuid::Item>(sObjectMgr->GetGenerator<HighGuid::Item>().Generate());
            Roll* r = new Roll(newitemGUID, *i);
 
            //a vector is filled with only near party members
            for (GroupReference* itr = GetFirstMember(); itr != nullptr; itr = itr->next())
            {
                Player* member = itr->GetSource();
                if (!member || !member->GetSession())
                    continue;
                if (member->IsAtGroupRewardDistance(pLootedObject))
                {
                    r->totalPlayersRolling++;
                    RollVote vote = member->GetPassOnGroupLoot() ? PASS : NOT_EMITED_YET;
                    if (!CanRollOnItem(*i, member))
                    {
                        vote = PASS;
                        ++r->totalPass;
                    }
                    r->playerVote[member->GetGUID()] = vote;
                }
            }
 
            if (r->totalPlayersRolling > 0)
            {
                r->setLoot(loot);
                r->itemSlot = itemSlot;
                if (item->DisenchantID && m_maxEnchantingLevel >= item->GetRequiredDisenchantSkill())
                    r->rollVoteMask |= ROLL_FLAG_TYPE_DISENCHANT;
 
                loot->items[itemSlot].is_blocked = true;
 
                // If there are any "auto pass", broadcast them now
                if (r->totalPass)
                {
                    for (Roll::PlayerVote::const_iterator itr=r->playerVote.begin(); itr != r->playerVote.end(); ++itr)
                    {
                        Player* p = ObjectAccessor::FindConnectedPlayer(itr->first);
                        if (!p || !p->GetSession())
                            continue;
 
                        if (itr->second == PASS)
                            SendLootRoll(newitemGUID, p->GetGUID(), 128, ROLL_PASS, *r, true);
                    }
                }
 
                if (r->totalPass == r->totalPlayersRolling)
                    delete r;
                else
                {
                    SendLootStartRoll(60000, pLootedObject->GetMapId(), *r);
 
                    RollId.push_back(r);
 
                    if (Creature* creature = pLootedObject->ToCreature())
                    {
                        creature->m_groupLootTimer = 60000;
                        creature->lootingGroupLowGUID = GetGUID();
                    }
                    else if (GameObject* go = pLootedObject->ToGameObject())
                    {
                        go->m_groupLootTimer = 60000;
                        go->lootingGroupLowGUID = GetGUID();
                    }
                }
            }
            else
                delete r;
        }
        else
            i->is_underthreshold = true;
    }
 
    for (i = loot->quest_items.begin(); i != loot->quest_items.end(); ++i, ++itemSlot)
    {
        if (!i->follow_loot_rules)
            continue;
 
        item = sObjectMgr->GetItemTemplate(i->itemid);
        if (!item)
        {
            //TC_LOG_DEBUG("misc", "Group::GroupLoot: missing item prototype for item with id: {}", i->itemid);
            continue;
        }
 
        ObjectGuid newitemGUID = ObjectGuid::Create<HighGuid::Item>(sObjectMgr->GetGenerator<HighGuid::Item>().Generate());
        Roll* r = new Roll(newitemGUID, *i);
 
        //a vector is filled with only near party members
        for (GroupReference* itr = GetFirstMember(); itr != nullptr; itr = itr->next())
        {
            Player* member = itr->GetSource();
            if (!member || !member->GetSession())
                continue;
 
            if (member->IsAtGroupRewardDistance(pLootedObject))
            {
                r->totalPlayersRolling++;
                RollVote vote = NOT_EMITED_YET;
                if (!CanRollOnItem(*i, member))
                {
                    vote = PASS;
                    ++r->totalPass;
                }
                r->playerVote[member->GetGUID()] = vote;
            }
        }
 
        if (r->totalPlayersRolling > 0)
        {
            r->setLoot(loot);
            r->itemSlot = itemSlot;
 
            loot->quest_items[itemSlot - loot->items.size()].is_blocked = true;
 
            SendLootStartRoll(60000, pLootedObject->GetMapId(), *r);
 
            RollId.push_back(r);
 
            if (Creature* creature = pLootedObject->ToCreature())
            {
                creature->m_groupLootTimer = 60000;
                creature->lootingGroupLowGUID = GetGUID();
            }
            else if (GameObject* go = pLootedObject->ToGameObject())
            {
                go->m_groupLootTimer = 60000;
                go->lootingGroupLowGUID = GetGUID();
            }
        }
        else
            delete r;
    }
}
 
void Group::NeedBeforeGreed(Loot* loot, WorldObject* lootedObject)
{
    ItemTemplate const* item;
    uint8 itemSlot = 0;
    for (std::vector<LootItem>::iterator i = loot->items.begin(); i != loot->items.end(); ++i, ++itemSlot)
    {
        if (i->freeforall)
            continue;
 
        item = sObjectMgr->GetItemTemplate(i->itemid);
        ASSERT(item);
 
        //roll for over-threshold item if it's one-player loot
        if (item->GetQuality() >= uint32(m_lootThreshold))
        {
            ObjectGuid newitemGUID = ObjectGuid::Create<HighGuid::Item>(sObjectMgr->GetGenerator<HighGuid::Item>().Generate());
            Roll* r = new Roll(newitemGUID, *i);
 
            for (GroupReference* itr = GetFirstMember(); itr != nullptr; itr = itr->next())
            {
                Player* playerToRoll = itr->GetSource();
                if (!playerToRoll || !playerToRoll->GetSession())
                    continue;
 
                if (playerToRoll->IsAtGroupRewardDistance(lootedObject))
                {
                    r->totalPlayersRolling++;
                    RollVote vote = playerToRoll->GetPassOnGroupLoot() ? PASS : NOT_EMITED_YET;
                    if (!CanRollOnItem(*i, playerToRoll))
                    {
                        vote = PASS;
                        r->totalPass++; // Can't broadcast the pass now. need to wait until all rolling players are known
                    }
                    r->playerVote[playerToRoll->GetGUID()] = vote;
                }
            }
 
            if (r->totalPlayersRolling > 0)
            {
                r->setLoot(loot);
                r->itemSlot = itemSlot;
                if (item->DisenchantID && m_maxEnchantingLevel >= item->GetRequiredDisenchantSkill())
                    r->rollVoteMask |= ROLL_FLAG_TYPE_DISENCHANT;
 
                if (item->HasFlag(ITEM_FLAG2_CAN_ONLY_ROLL_GREED))
                    r->rollVoteMask &= ~ROLL_FLAG_TYPE_NEED;
 
                loot->items[itemSlot].is_blocked = true;
 
                //Broadcast Pass and Send Rollstart
                for (Roll::PlayerVote::const_iterator itr = r->playerVote.begin(); itr != r->playerVote.end(); ++itr)
                {
                    Player* p = ObjectAccessor::FindConnectedPlayer(itr->first);
                    if (!p || !p->GetSession())
                        continue;
 
                    if (itr->second == PASS)
                        SendLootRoll(newitemGUID, p->GetGUID(), 128, ROLL_PASS, *r);
                    else
                        SendLootStartRollToPlayer(60000, lootedObject->GetMapId(), p, p->CanRollForItemInLFG(item, lootedObject) == EQUIP_ERR_OK, *r);
                }
 
                RollId.push_back(r);
 
                if (Creature* creature = lootedObject->ToCreature())
                {
                    creature->m_groupLootTimer = 60000;
                    creature->lootingGroupLowGUID = GetGUID();
                }
                else if (GameObject* go = lootedObject->ToGameObject())
                {
                    go->m_groupLootTimer = 60000;
                    go->lootingGroupLowGUID = GetGUID();
                }
            }
            else
                delete r;
        }
        else
            i->is_underthreshold = true;
    }
 
    for (std::vector<LootItem>::iterator i = loot->quest_items.begin(); i != loot->quest_items.end(); ++i, ++itemSlot)
    {
        if (!i->follow_loot_rules)
            continue;
 
        item = sObjectMgr->GetItemTemplate(i->itemid);
        ObjectGuid newitemGUID = ObjectGuid::Create<HighGuid::Item>(sObjectMgr->GetGenerator<HighGuid::Item>().Generate());
        Roll* r = new Roll(newitemGUID, *i);
 
        for (GroupReference* itr = GetFirstMember(); itr != nullptr; itr = itr->next())
        {
            Player* playerToRoll = itr->GetSource();
            if (!playerToRoll || !playerToRoll->GetSession())
                continue;
 
            if (playerToRoll->IsAtGroupRewardDistance(lootedObject))
            {
                r->totalPlayersRolling++;
                RollVote vote = NOT_EMITED_YET;
                if (!CanRollOnItem(*i, playerToRoll))
                {
                    vote = PASS;
                    ++r->totalPass;
                }
                r->playerVote[playerToRoll->GetGUID()] = vote;
            }
        }
 
        if (r->totalPlayersRolling > 0)
        {
            r->setLoot(loot);
            r->itemSlot = itemSlot;
 
            loot->quest_items[itemSlot - loot->items.size()].is_blocked = true;
 
            //Broadcast Pass and Send Rollstart
            for (Roll::PlayerVote::const_iterator itr = r->playerVote.begin(); itr != r->playerVote.end(); ++itr)
            {
                Player* p = ObjectAccessor::FindConnectedPlayer(itr->first);
                if (!p || !p->GetSession())
                    continue;
 
                if (itr->second == PASS)
                    SendLootRoll(newitemGUID, p->GetGUID(), 128, ROLL_PASS, *r);
                else
                    SendLootStartRollToPlayer(60000, lootedObject->GetMapId(), p, p->CanRollForItemInLFG(item, lootedObject) == EQUIP_ERR_OK, *r);
            }
 
            RollId.push_back(r);
 
            if (Creature* creature = lootedObject->ToCreature())
            {
                creature->m_groupLootTimer = 60000;
                creature->lootingGroupLowGUID = GetGUID();
            }
            else if (GameObject* go = lootedObject->ToGameObject())
            {
                go->m_groupLootTimer = 60000;
                go->lootingGroupLowGUID = GetGUID();
            }
        }
        else
            delete r;
    }
}
 
void Group::MasterLoot(Loot* loot, WorldObject* pLootedObject)
{
    TC_LOG_DEBUG("network", "Group::MasterLoot (SMSG_LOOT_MASTER_LIST)");
 
    for (std::vector<LootItem>::iterator i = loot->items.begin(); i != loot->items.end(); ++i)
    {
        if (i->freeforall)
            continue;
 
        i->is_blocked = !i->is_underthreshold;
    }
 
    for (std::vector<LootItem>::iterator i = loot->quest_items.begin(); i != loot->quest_items.end(); ++i)
    {
        if (!i->follow_loot_rules)
            continue;
 
        i->is_blocked = !i->is_underthreshold;
    }
 
    uint32 real_count = 0;
 
    WorldPacket data(SMSG_LOOT_MASTER_LIST, 1 + GetMembersCount() * 8);
    data << uint8(GetMembersCount());
 
    for (GroupReference* itr = GetFirstMember(); itr != nullptr; itr = itr->next())
    {
        Player* looter = itr->GetSource();
        if (!looter->IsInWorld())
            continue;
 
        if (looter->IsAtGroupRewardDistance(pLootedObject))
        {
            data << looter->GetGUID();
            ++real_count;
        }
    }
 
    data.put<uint8>(0, real_count);
 
    for (GroupReference* itr = GetFirstMember(); itr != nullptr; itr = itr->next())
    {
        Player* looter = itr->GetSource();
        if (looter->IsAtGroupRewardDistance(pLootedObject))
            looter->SendDirectMessage(&data);
    }
}
 
bool Group::CountRollVote(ObjectGuid playerGUID, ObjectGuid Guid, uint8 Choice)
{
    Rolls::iterator rollI = GetRoll(Guid);
    if (rollI == RollId.end())
        return false;
    Roll* roll = *rollI;
 
    Roll::PlayerVote::iterator itr = roll->playerVote.find(playerGUID);
    // this condition means that player joins to the party after roll begins
    if (itr == roll->playerVote.end() || itr->second != NOT_EMITED_YET)
        return false;
 
    if (roll->getLoot())
        if (roll->getLoot()->items.empty())
            return false;
 
    switch (Choice)
    {
        case ROLL_PASS:                                     // Player choose pass
            SendLootRoll(ObjectGuid::Empty, playerGUID, 128, ROLL_PASS, *roll);
            ++roll->totalPass;
            itr->second = PASS;
            break;
        case ROLL_NEED:                                     // player choose Need
            SendLootRoll(ObjectGuid::Empty, playerGUID, 0, 0, *roll);
            ++roll->totalNeed;
            itr->second = NEED;
            break;
        case ROLL_GREED:                                    // player choose Greed
            SendLootRoll(ObjectGuid::Empty, playerGUID, 128, ROLL_GREED, *roll);
            ++roll->totalGreed;
            itr->second = GREED;
            break;
        case ROLL_DISENCHANT:                               // player choose Disenchant
            SendLootRoll(ObjectGuid::Empty, playerGUID, 128, ROLL_DISENCHANT, *roll);
            ++roll->totalGreed;
            itr->second = DISENCHANT;
            break;
    }
 
    if (roll->totalPass + roll->totalNeed + roll->totalGreed >= roll->totalPlayersRolling)
        CountTheRoll(rollI, nullptr);
 
    return true;
}
 
//called when roll timer expires
void Group::EndRoll(Loot* pLoot, Map* allowedMap)
{
    for (Rolls::iterator itr = RollId.begin(); itr != RollId.end();)
    {
        if ((*itr)->getLoot() == pLoot) {
            CountTheRoll(itr, allowedMap);           //i don't have to edit player votes, who didn't vote ... he will pass
            itr = RollId.begin();
        }
        else
            ++itr;
    }
}
 
void Group::CountTheRoll(Rolls::iterator rollI, Map* allowedMap)
{
    Roll* roll = *rollI;
    if (!roll->isValid())                                   // is loot already deleted ?
    {
        RollId.erase(rollI);
        delete roll;
        return;
    }
 
    //end of the roll
    if (roll->totalNeed > 0)
    {
        if (!roll->playerVote.empty())
        {
            uint8 maxresul = 0;
            ObjectGuid maxguid = ObjectGuid::Empty;
            Player* player = nullptr;
 
            for (Roll::PlayerVote::const_iterator itr = roll->playerVote.begin(); itr != roll->playerVote.end(); ++itr)
            {
                if (itr->second != NEED)
                    continue;
 
                player = ObjectAccessor::FindPlayer(itr->first);
                if (!player || (allowedMap != nullptr && player->FindMap() != allowedMap))
                {
                    --roll->totalNeed;
                    continue;
                }
 
                uint8 randomN = urand(1, 100);
                SendLootRoll(ObjectGuid::Empty, itr->first, randomN, ROLL_NEED, *roll);
                if (maxresul < randomN)
                {
                    maxguid  = itr->first;
                    maxresul = randomN;
                }
            }
 
            if (!maxguid.IsEmpty())
            {
                SendLootRollWon(ObjectGuid::Empty, maxguid, maxresul, ROLL_NEED, *roll);
                player = ObjectAccessor::FindConnectedPlayer(maxguid);
 
                if (player && player->GetSession())
                {
                    player->UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_ROLL_NEED_ON_LOOT, roll->itemid, maxresul);
 
                    ItemPosCountVec dest;
                    LootItem* item = &(roll->itemSlot >= roll->getLoot()->items.size() ? roll->getLoot()->quest_items[roll->itemSlot - roll->getLoot()->items.size()] : roll->getLoot()->items[roll->itemSlot]);
                    InventoryResult msg = player->CanStoreNewItem(NULL_BAG, NULL_SLOT, dest, roll->itemid, item->count);
                    if (msg == EQUIP_ERR_OK)
                    {
                        item->is_looted = true;
                        roll->getLoot()->NotifyItemRemoved(roll->itemSlot);
                        roll->getLoot()->unlootedCount--;
                        player->StoreNewItem(dest, roll->itemid, true, item->randomPropertyId, item->GetAllowedLooters());
                    }
                    else
                    {
                        item->is_blocked = false;
                        item->rollWinnerGUID = player->GetGUID();
                        player->SendEquipError(msg, nullptr, nullptr, roll->itemid);
                    }
                }
            }
            else
                roll->totalNeed = 0;
        }
    }
 
    if (roll->totalNeed == 0 && roll->totalGreed > 0) // if (roll->totalNeed == 0 && ...), not else if, because numbers can be modified above if player is on a different map
    {
        if (!roll->playerVote.empty())
        {
            uint8 maxresul = 0;
            ObjectGuid maxguid = ObjectGuid::Empty;
            Player* player = nullptr;
            RollVote rollvote = NOT_VALID;
 
            Roll::PlayerVote::iterator itr;
            for (itr = roll->playerVote.begin(); itr != roll->playerVote.end(); ++itr)
            {
                if (itr->second != GREED && itr->second != DISENCHANT)
                    continue;
 
                player = ObjectAccessor::FindPlayer(itr->first);
                if (!player || (allowedMap != nullptr && player->FindMap() != allowedMap))
                {
                    --roll->totalGreed;
                    continue;
                }
 
                uint8 randomN = urand(1, 100);
                SendLootRoll(ObjectGuid::Empty, itr->first, randomN, itr->second, *roll);
                if (maxresul < randomN)
                {
                    maxguid  = itr->first;
                    maxresul = randomN;
                    rollvote = itr->second;
                }
            }
 
            if (!maxguid.IsEmpty())
            {
                SendLootRollWon(ObjectGuid::Empty, maxguid, maxresul, rollvote, *roll);
                player = ObjectAccessor::FindConnectedPlayer(maxguid);
 
                if (player && player->GetSession())
                {
                    player->UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_ROLL_GREED_ON_LOOT, roll->itemid, maxresul);
 
                    LootItem* item = &(roll->itemSlot >= roll->getLoot()->items.size() ? roll->getLoot()->quest_items[roll->itemSlot - roll->getLoot()->items.size()] : roll->getLoot()->items[roll->itemSlot]);
 
                    if (rollvote == GREED)
                    {
                        ItemPosCountVec dest;
                        InventoryResult msg = player->CanStoreNewItem(NULL_BAG, NULL_SLOT, dest, roll->itemid, item->count);
                        if (msg == EQUIP_ERR_OK)
                        {
                            item->is_looted = true;
                            roll->getLoot()->NotifyItemRemoved(roll->itemSlot);
                            roll->getLoot()->unlootedCount--;
                            player->StoreNewItem(dest, roll->itemid, true, item->randomPropertyId, item->GetAllowedLooters());
                        }
                        else
                        {
                            item->is_blocked = false;
                            item->rollWinnerGUID = player->GetGUID();
                            player->SendEquipError(msg, nullptr, nullptr, roll->itemid);
                        }
                    }
                    else if (rollvote == DISENCHANT)
                    {
                        item->is_looted = true;
                        roll->getLoot()->NotifyItemRemoved(roll->itemSlot);
                        roll->getLoot()->unlootedCount--;
                        ItemTemplate const* pProto = sObjectMgr->GetItemTemplate(roll->itemid);
                        ASSERT(pProto);
                        player->UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_CAST_SPELL, 13262); // Disenchant
 
                        ItemPosCountVec dest;
                        InventoryResult msg = player->CanStoreNewItem(NULL_BAG, NULL_SLOT, dest, roll->itemid, item->count);
                        if (msg == EQUIP_ERR_OK)
                            player->AutoStoreLoot(pProto->DisenchantID, LootTemplates_Disenchant, true);
                        else // If the player's inventory is full, send the disenchant result in a mail.
                        {
                            Loot loot;
                            loot.FillLoot(pProto->DisenchantID, LootTemplates_Disenchant, player, true);
 
                            uint32 max_slot = loot.GetMaxSlotInLootFor(player);
                            for (uint32 i = 0; i < max_slot; ++i)
                            {
                                LootItem* lootItem = loot.LootItemInSlot(i, player);
                                player->SendEquipError(msg, nullptr, nullptr, lootItem->itemid);
                                player->SendItemRetrievalMail(lootItem->itemid, lootItem->count);
                            }
                        }
                    }
                }
            }
            else
                roll->totalGreed = 0;
        }
    }
 
    if (roll->totalNeed == 0 && roll->totalGreed == 0) // if, not else, because numbers can be modified above if player is on a different map
    {
        SendLootAllPassed(*roll);
 
        // remove is_blocked so that the item is lootable by all players
        LootItem* item = &(roll->itemSlot >= roll->getLoot()->items.size() ? roll->getLoot()->quest_items[roll->itemSlot - roll->getLoot()->items.size()] : roll->getLoot()->items[roll->itemSlot]);
        item->is_blocked = false;
    }
 
    RollId.erase(rollI);
    delete roll;
}
 
void Group::SetTargetIcon(uint8 id, ObjectGuid whoGuid, ObjectGuid targetGuid)
{
    if (id >= TARGET_ICONS_COUNT)
        return;
 
    // clean other icons
    if (!targetGuid.IsEmpty())
        for (int i = 0; i < TARGET_ICONS_COUNT; ++i)
            if (m_targetIcons[i] == targetGuid)
                SetTargetIcon(i, ObjectGuid::Empty, ObjectGuid::Empty);
 
    m_targetIcons[id] = targetGuid;
 
    WorldPacket data(MSG_RAID_TARGET_UPDATE, (1+8+1+8));
    data << uint8(0);                                       // set targets
    data << whoGuid;
    data << uint8(id);
    data << targetGuid;
    BroadcastPacket(&data, true);
}
 
void Group::SendTargetIconList(WorldSession* session)
{
    if (!session)
        return;
 
    WorldPacket data(MSG_RAID_TARGET_UPDATE, (1+TARGET_ICONS_COUNT*9));
    data << uint8(1);                                       // list targets
 
    for (uint8 i = 0; i < TARGET_ICONS_COUNT; ++i)
    {
        if (m_targetIcons[i].IsEmpty())
            continue;
 
        data << uint8(i);
        data << m_targetIcons[i];
    }
 
    session->SendPacket(&data);
}
 
void Group::SendUpdate()
{
    for (member_witerator witr = m_memberSlots.begin(); witr != m_memberSlots.end(); ++witr)
    {
        Player* player = ObjectAccessor::FindConnectedPlayer(witr->guid);
        if (!player)
            continue;
 
        SendUpdateToPlayer(player, &(*witr));
    }
}
 
void Group::SendUpdateToPlayer(Player const* player, MemberSlot const* slot /*= nullptr*/)
{
    if (player->GetGroup() != this)
    {
        if (player->GetOriginalGroup() == this)
            SendOriginalGroupUpdateToPlayer(player);
 
        return;
    }
 
    // if MemberSlot wasn't provided
    if (!slot)
    {
        member_citerator citr = _getMemberCSlot(player->GetGUID());
 
        if (citr == m_memberSlots.end()) // if there is no MemberSlot for such a player
            return;
 
        slot = &(*citr);
    }
 
    WorldPacket data(SMSG_GROUP_LIST, (1+1+1+1+1+4+8+4+4+(GetMembersCount()-1)*(13+8+1+1+1+1)+8+1+8+1+1+1+1));
    data << uint8(m_groupType);                         // group type (flags in 3.3)
    data << uint8(slot->group);
    data << uint8(slot->flags);
    data << uint8(slot->roles);
    if (isLFGGroup())
    {
        data << uint8(sLFGMgr->GetState(m_guid) == lfg::LFG_STATE_FINISHED_DUNGEON ? 2 : 0); // FIXME - Dungeon save status? 2 = done
        data << uint32(sLFGMgr->GetDungeon(m_guid));
    }
 
    data << m_guid;
    data << uint32(m_counter++);                        // 3.3, value increases every time this packet gets sent
    data << uint32(GetMembersCount()-1);
    for (member_citerator citr = m_memberSlots.begin(); citr != m_memberSlots.end(); ++citr)
    {
        if (slot->guid == citr->guid)
            continue;
 
        Player* member = ObjectAccessor::FindConnectedPlayer(citr->guid);
 
        uint8 onlineState = (member && !member->GetSession()->PlayerLogout()) ? MEMBER_STATUS_ONLINE : MEMBER_STATUS_OFFLINE;
        onlineState = onlineState | ((isBGGroup() || isBFGroup()) ? MEMBER_STATUS_PVP : 0);
 
        data << citr->name;
        data << citr->guid;                             // guid
        data << uint8(onlineState);                     // online-state
        data << uint8(citr->group);                     // groupid
        data << uint8(citr->flags);                     // See enum GroupMemberFlags
        data << uint8(citr->roles);                     // Lfg Roles
    }
 
    data << m_leaderGuid;                               // leader guid
 
    if (GetMembersCount() - 1)
    {
        data << uint8(m_lootMethod);                    // loot method
 
        if (m_lootMethod == MASTER_LOOT)
            data << m_masterLooterGuid;                 // master looter guid
        else
            data << ObjectGuid::Empty;
 
        data << uint8(m_lootThreshold);                 // loot threshold
        data << uint8(m_dungeonDifficulty);             // Dungeon Difficulty
        data << uint8(m_raidDifficulty);                // Raid Difficulty
        data << uint8(m_raidDifficulty >= RAID_DIFFICULTY_10MAN_HEROIC);    // 3.3 Dynamic Raid Difficulty - 0 normal/1 heroic
    }
 
    player->SendDirectMessage(&data);
}
 
void Group::SendOriginalGroupUpdateToPlayer(Player const* player) const
{
    WorldPacket data(SMSG_REAL_GROUP_UPDATE, 1 + 4 + 8);
    data << uint8(m_groupType);
    data << uint32(GetMembersCount() - 1);
    data << m_leaderGuid;
    player->SendDirectMessage(&data);
}
 
void Group::UpdatePlayerOutOfRange(Player* player)
{
    if (!player || !player->IsInWorld())
        return;
 
    WorldPacket data;
    player->GetSession()->BuildPartyMemberStatsChangedPacket(player, &data);
 
    Player* member;
    for (GroupReference* itr = GetFirstMember(); itr != nullptr; itr = itr->next())
    {
        member = itr->GetSource();
        if (member && member != player && (!member->IsInMap(player) || !member->IsWithinDist(player, member->GetSightRange(), false)))
            member->SendDirectMessage(&data);
    }
}
 
void Group::BroadcastPacket(WorldPacket const* packet, bool ignorePlayersInBGRaid, int group /*= -1*/, ObjectGuid ignoredPlayer /*= ObjectGuid::Empty*/)
{
    for (GroupReference* itr = GetFirstMember(); itr != nullptr; itr = itr->next())
    {
        Player* player = itr->GetSource();
        if (!player || (!ignoredPlayer.IsEmpty() && player->GetGUID() == ignoredPlayer) || (ignorePlayersInBGRaid && player->GetGroup() != this))
            continue;
 
        if (player->GetSession() && (group == -1 || itr->getSubGroup() == group))
            player->SendDirectMessage(packet);
    }
}
 
void Group::BroadcastReadyCheck(WorldPacket const* packet)
{
    for (GroupReference* itr = GetFirstMember(); itr != nullptr; itr = itr->next())
    {
        Player* player = itr->GetSource();
        if (player && player->GetSession())
            if (IsLeader(player->GetGUID()) || IsAssistant(player->GetGUID()))
                player->SendDirectMessage(packet);
    }
}
 
void Group::OfflineReadyCheck()
{
    for (member_citerator citr = m_memberSlots.begin(); citr != m_memberSlots.end(); ++citr)
    {
        Player* player = ObjectAccessor::FindConnectedPlayer(citr->guid);
        if (!player || !player->GetSession())
        {
            WorldPacket data(MSG_RAID_READY_CHECK_CONFIRM, 9);
            data << citr->guid;
            data << uint8(0);
            BroadcastReadyCheck(&data);
        }
    }
}
 
bool Group::_setMembersGroup(ObjectGuid guid, uint8 group)
{
    member_witerator slot = _getMemberWSlot(guid);
    if (slot == m_memberSlots.end())
        return false;
 
    slot->group = group;
 
    SubGroupCounterIncrease(group);
 
    if (!isBGGroup() && !isBFGroup())
    {
        CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_UPD_GROUP_MEMBER_SUBGROUP);
 
        stmt->setUInt8(0, group);
        stmt->setUInt32(1, guid.GetCounter());
 
        CharacterDatabase.Execute(stmt);
    }
 
    return true;
}
 
bool Group::SameSubGroup(Player const* member1, Player const* member2) const
{
    if (!member1 || !member2)
        return false;
 
    if (member1->GetGroup() != this || member2->GetGroup() != this)
        return false;
    else
        return member1->GetSubGroup() == member2->GetSubGroup();
}
 
// Allows setting sub groups both for online or offline members
void Group::ChangeMembersGroup(ObjectGuid guid, uint8 group)
{
    // Only raid groups have sub groups
    if (!isRaidGroup())
        return;
 
    // Check if player is really in the raid
    member_witerator slot = _getMemberWSlot(guid);
    if (slot == m_memberSlots.end())
        return;
 
    // Abort if the player is already in the target sub group
    uint8 prevSubGroup = GetMemberGroup(guid);
    if (prevSubGroup == group)
        return;
 
    // Update the player slot with the new sub group setting
    slot->group = group;
 
    // Increase the counter of the new sub group..
    SubGroupCounterIncrease(group);
 
    // ..and decrease the counter of the previous one
    SubGroupCounterDecrease(prevSubGroup);
 
    // Preserve new sub group in database for non-raid groups
    if (!isBGGroup() && !isBFGroup())
    {
        CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_UPD_GROUP_MEMBER_SUBGROUP);
 
        stmt->setUInt8(0, group);
        stmt->setUInt32(1, guid.GetCounter());
 
        CharacterDatabase.Execute(stmt);
    }
 
    // In case the moved player is online, update the player object with the new sub group references
    if (Player* player = ObjectAccessor::FindConnectedPlayer(guid))
    {
        if (player->GetGroup() == this)
            player->GetGroupRef().setSubGroup(group);
        else
        {
            // If player is in BG raid, it is possible that he is also in normal raid - and that normal raid is stored in m_originalGroup reference
            prevSubGroup = player->GetOriginalSubGroup();
            player->GetOriginalGroupRef().setSubGroup(group);
        }
    }
 
    // Broadcast the changes to the group
    SendUpdate();
}
 
// Retrieve the next Round-Roubin player for the group
//
// No update done if loot method is FFA.
//
// If the RR player is not yet set for the group, the first group member becomes the round-robin player.
// If the RR player is set, the next player in group becomes the round-robin player.
//
// If ifneed is true,
//      the current RR player is checked to be near the looted object.
//      if yes, no update done.
//      if not, he loses his turn.
void Group::UpdateLooterGuid(WorldObject* pLootedObject, bool ifneed)
{
    // round robin style looting applies for all low
    // quality items in each loot method except free for all
    if (GetLootMethod() == FREE_FOR_ALL)
        return;
 
    ObjectGuid oldLooterGUID = GetLooterGuid();
    member_citerator guid_itr = _getMemberCSlot(oldLooterGUID);
    if (guid_itr != m_memberSlots.end())
    {
        if (ifneed)
        {
            // not update if only update if need and ok
            Player* looter = ObjectAccessor::FindPlayer(guid_itr->guid);
            if (looter && looter->IsAtGroupRewardDistance(pLootedObject))
                return;
        }
        ++guid_itr;
    }
 
    // search next after current
    Player* pNewLooter = nullptr;
    for (member_citerator itr = guid_itr; itr != m_memberSlots.end(); ++itr)
    {
        if (Player* player = ObjectAccessor::FindPlayer(itr->guid))
            if (player->IsAtGroupRewardDistance(pLootedObject))
            {
                pNewLooter = player;
                break;
            }
    }
 
    if (!pNewLooter)
    {
        // search from start
        for (member_citerator itr = m_memberSlots.begin(); itr != guid_itr; ++itr)
        {
            if (Player* player = ObjectAccessor::FindPlayer(itr->guid))
                if (player->IsAtGroupRewardDistance(pLootedObject))
                {
                    pNewLooter = player;
                    break;
                }
        }
    }
 
    if (pNewLooter)
    {
        if (oldLooterGUID != pNewLooter->GetGUID())
        {
            SetLooterGuid(pNewLooter->GetGUID());
            SendUpdate();
        }
    }
    else
    {
        SetLooterGuid(ObjectGuid::Empty);
        SendUpdate();
    }
}
 
GroupJoinBattlegroundResult Group::CanJoinBattlegroundQueue(Battleground const* bgOrTemplate, BattlegroundQueueTypeId bgQueueTypeId, uint32 MinPlayerCount, uint32 /*MaxPlayerCount*/, bool isRated, uint32 arenaSlot, ObjectGuid& errorGuid) const
{
    errorGuid = ObjectGuid::Empty;
 
    // check if this group is LFG group
    if (isLFGGroup())
        return ERR_LFG_CANT_USE_BATTLEGROUND;
 
    BattlemasterListEntry const* bgEntry = sBattlemasterListStore.LookupEntry(bgOrTemplate->GetTypeID());
    if (!bgEntry)
        return ERR_GROUP_JOIN_BATTLEGROUND_FAIL;            // shouldn't happen
 
    // check for min / max count
    uint32 memberscount = GetMembersCount();
 
    if (memberscount > bgEntry->MaxGroupSize)                // no MinPlayerCount for battlegrounds
        return ERR_BATTLEGROUND_NONE;                        // ERR_GROUP_JOIN_BATTLEGROUND_TOO_MANY handled on client side
 
    // get a player as reference, to compare other players' stats to (arena team id, queue id based on level, etc.)
    Player* reference = ASSERT_NOTNULL(GetFirstMember())->GetSource();
    // no reference found, can't join this way
    if (!reference)
        return ERR_BATTLEGROUND_JOIN_FAILED;
 
    PvPDifficultyEntry const* bracketEntry = GetBattlegroundBracketByLevel(bgOrTemplate->GetMapId(), reference->GetLevel());
    if (!bracketEntry)
        return ERR_BATTLEGROUND_JOIN_FAILED;
 
    uint32 arenaTeamId = reference->GetArenaTeamId(arenaSlot);
    uint32 team = reference->GetTeam();
 
    // check every member of the group to be able to join
    memberscount = 0;
    for (GroupReference const* itr = GetFirstMember(); itr != nullptr; itr = itr->next(), ++memberscount)
    {
        Player* member = itr->GetSource();
        // offline member? don't let join
        if (!member)
            return ERR_BATTLEGROUND_JOIN_FAILED;
        errorGuid = member->GetGUID();
        // rbac permissions
        if (!member->CanJoinToBattleground(bgOrTemplate))
            return ERR_BATTLEGROUND_JOIN_TIMED_OUT;
        // don't allow cross-faction join as group
        if (member->GetTeam() != team)
            return ERR_BATTLEGROUND_JOIN_TIMED_OUT;
        // not in the same battleground level braket, don't let join
        PvPDifficultyEntry const* memberBracketEntry = GetBattlegroundBracketByLevel(bracketEntry->MapID, member->GetLevel());
        if (memberBracketEntry != bracketEntry)
            return ERR_BATTLEGROUND_JOIN_RANGE_INDEX;
        // don't let join rated matches if the arena team id doesn't match
        if (isRated && member->GetArenaTeamId(arenaSlot) != arenaTeamId)
            return ERR_BATTLEGROUND_JOIN_FAILED;
        // don't let join if someone from the group is already in that bg queue
        if (member->InBattlegroundQueueForBattlegroundQueueType(bgQueueTypeId))
            return ERR_BATTLEGROUND_JOIN_FAILED;            // not blizz-like
        // don't let join if someone from the group is in bg queue random
        bool isInRandomBgQueue = member->InBattlegroundQueueForBattlegroundQueueType(BattlegroundMgr::BGQueueTypeId(BATTLEGROUND_RB, memberBracketEntry->GetBracketId(), 0));
        if (bgOrTemplate->GetTypeID() != BATTLEGROUND_AA && isInRandomBgQueue)
            return ERR_IN_RANDOM_BG;
        // don't let join to bg queue random if someone from the group is already in bg queue
        if (bgOrTemplate->GetTypeID() == BATTLEGROUND_RB && member->InBattlegroundQueue(true))
            return ERR_IN_NON_RANDOM_BG;
        // check for deserter debuff in case not arena queue
        if (bgOrTemplate->GetTypeID() != BATTLEGROUND_AA && member->IsDeserter())
            return ERR_GROUP_JOIN_BATTLEGROUND_DESERTERS;
        // check if member can join any more battleground queues
        if (!member->HasFreeBattlegroundQueueId())
            return ERR_BATTLEGROUND_TOO_MANY_QUEUES;        // not blizz-like
        // check if someone in party is using dungeon system
        if (member->isUsingLfg())
            return ERR_LFG_CANT_USE_BATTLEGROUND;
        // check Freeze debuff
        if (member->HasAura(9454))
            return ERR_BATTLEGROUND_JOIN_FAILED;
    }
 
    errorGuid = ObjectGuid::Empty;
 
    // only check for MinPlayerCount since MinPlayerCount == MaxPlayerCount for arenas...
    if (bgOrTemplate->isArena() && memberscount != MinPlayerCount)
        return ERR_ARENA_TEAM_PARTY_SIZE;
 
    return GroupJoinBattlegroundResult(bgOrTemplate->GetTypeID());
}
 
//===================================================
//============== Roll ===============================
//===================================================
 
void Roll::targetObjectBuildLink()
{
    // called from link()
    getTarget()->addLootValidatorRef(this);
}
 
void Group::SetDungeonDifficultyID(Difficulty difficulty)
{
    m_dungeonDifficulty = difficulty;
    if (!isBGGroup() && !isBFGroup())
    {
        CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_UPD_GROUP_DIFFICULTY);
 
        stmt->setUInt8(0, uint8(m_dungeonDifficulty));
        stmt->setUInt32(1, m_dbStoreId);
 
        CharacterDatabase.Execute(stmt);
    }
 
    SendUpdate();
}
 
void Group::SetRaidDifficultyID(Difficulty difficulty)
{
    m_raidDifficulty = difficulty;
    if (!isBGGroup() && !isBFGroup())
    {
        CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_UPD_GROUP_RAID_DIFFICULTY);
 
        stmt->setUInt8(0, uint8(m_raidDifficulty));
        stmt->setUInt32(1, m_dbStoreId);
 
        CharacterDatabase.Execute(stmt);
    }
 
    SendUpdate();
}
 
Difficulty Group::GetDifficultyID(MapEntry const* mapEntry) const
{
    return mapEntry->IsRaid() ? m_raidDifficulty : m_dungeonDifficulty;
}
 
void Group::ResetInstances(uint8 method, bool isRaid, Player* SendMsgTo)
{
    if (isBGGroup() || isBFGroup())
        return;
 
    // method can be INSTANCE_RESET_ALL, INSTANCE_RESET_CHANGE_DIFFICULTY, INSTANCE_RESET_GROUP_DISBAND
 
    // we assume that when the difficulty changes, all instances that can be reset will be
    Difficulty diff = isRaid ? GetRaidDifficultyID() : GetDungeonDifficultyID();
 
    for (BoundInstancesMap::iterator itr = m_boundInstances[diff].begin(); itr != m_boundInstances[diff].end();)
    {
        InstanceSave* instanceSave = itr->second.save;
        MapEntry const* entry = sMapStore.LookupEntry(itr->first);
        if (!entry || entry->IsRaid() != isRaid || (!instanceSave->CanReset() && method != INSTANCE_RESET_GROUP_DISBAND))
        {
            ++itr;
            continue;
        }
 
        if (method == INSTANCE_RESET_ALL)
        {
            // the "reset all instances" method can only reset normal maps
            if (entry->InstanceType == MAP_RAID || diff == DUNGEON_DIFFICULTY_HEROIC)
            {
                ++itr;
                continue;
            }
        }
 
        bool isEmpty = true;
        // if the map is loaded, reset it
        Map* map = sMapMgr->FindMap(instanceSave->GetMapId(), instanceSave->GetInstanceId());
        if (map && map->IsDungeon() && !(method == INSTANCE_RESET_GROUP_DISBAND && !instanceSave->CanReset()))
        {
            if (instanceSave->CanReset())
                isEmpty = ((InstanceMap*)map)->Reset(method);
            else
                isEmpty = !map->HavePlayers();
        }
 
        if (SendMsgTo)
        {
            if (!isEmpty)
                SendMsgTo->SendResetInstanceFailed(0, instanceSave->GetMapId());
            else if (sWorld->getBoolConfig(CONFIG_INSTANCES_RESET_ANNOUNCE))
            {
                if (Group* group = SendMsgTo->GetGroup())
                {
                    for (GroupReference* groupRef = group->GetFirstMember(); groupRef != nullptr; groupRef = groupRef->next())
                        if (Player* player = groupRef->GetSource())
                            player->SendResetInstanceSuccess(instanceSave->GetMapId());
                }
 
                else
                    SendMsgTo->SendResetInstanceSuccess(instanceSave->GetMapId());
            }
            else
                SendMsgTo->SendResetInstanceSuccess(instanceSave->GetMapId());
        }
 
        if (isEmpty || method == INSTANCE_RESET_GROUP_DISBAND || method == INSTANCE_RESET_CHANGE_DIFFICULTY)
        {
            // do not reset the instance, just unbind if others are permanently bound to it
            if (isEmpty && instanceSave->CanReset())
            {
                if (map && map->IsDungeon() && SendMsgTo)
                {
                    AreaTriggerTeleport const * const instanceEntrance = sObjectMgr->GetGoBackTrigger(map->GetId());
 
                    if (!instanceEntrance)
                        TC_LOG_DEBUG("root", "Instance entrance not found for maps {}", map->GetId());
                    else
                    {
                        WorldSafeLocsEntry const * graveyardLocation = sObjectMgr->GetClosestGraveyard(instanceEntrance->target_X, instanceEntrance->target_Y, instanceEntrance->target_Z, instanceEntrance->target_mapId, SendMsgTo->GetTeam(), SendMsgTo);
                        uint32 const zoneId = sMapMgr->GetZoneId(PHASEMASK_NORMAL, graveyardLocation->Continent, graveyardLocation->Loc.X, graveyardLocation->Loc.Y, graveyardLocation->Loc.Z);
 
                        for (MemberSlot const& member : GetMemberSlots())
                        {
                            if (!ObjectAccessor::FindConnectedPlayer(member.guid))
                            {
                                CharacterDatabasePreparedStatement*stmt = CharacterDatabase.GetPreparedStatement(CHAR_UPD_CHARACTER_POSITION_BY_MAPID);
 
                                stmt->setFloat(0, graveyardLocation->Loc.X);
                                stmt->setFloat(1, graveyardLocation->Loc.Y);
                                stmt->setFloat(2, graveyardLocation->Loc.Z);
                                stmt->setFloat(3, instanceEntrance->target_Orientation);
                                stmt->setUInt32(4, graveyardLocation->Continent);
                                stmt->setUInt32(5, zoneId);
                                stmt->setUInt32(6, member.guid.GetCounter());
                                stmt->setUInt32(7, map->GetId());
 
                                CharacterDatabase.Execute(stmt);
                            }
                        }
                    }
                }
 
                instanceSave->DeleteFromDB();
            }
            else
            {
                CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_DEL_GROUP_INSTANCE_BY_INSTANCE);
 
                stmt->setUInt32(0, instanceSave->GetInstanceId());
 
                CharacterDatabase.Execute(stmt);
            }
 
            // i don't know for sure if hash_map iterators
            m_boundInstances[diff].erase(itr);
            itr = m_boundInstances[diff].begin();
            // this unloads the instance save unless online players are bound to it
            // (eg. permanent binds or GM solo binds)
            instanceSave->RemoveGroup(this);
        }
        else
            ++itr;
    }
}
 
InstanceGroupBind* Group::GetBoundInstance(Player* player)
{
    uint32 mapid = player->GetMapId();
    MapEntry const* mapEntry = sMapStore.LookupEntry(mapid);
    return GetBoundInstance(mapEntry);
}
 
InstanceGroupBind* Group::GetBoundInstance(Map* aMap)
{
    return GetBoundInstance(aMap->GetEntry());
}
 
InstanceGroupBind* Group::GetBoundInstance(MapEntry const* mapEntry)
{
    if (!mapEntry || !mapEntry->IsDungeon())
        return nullptr;
 
    Difficulty difficulty = GetDifficultyID(mapEntry);
    return GetBoundInstance(difficulty, mapEntry->ID);
}
 
InstanceGroupBind* Group::GetBoundInstance(Difficulty difficulty, uint32 mapId)
{
    // some instances only have one difficulty
    GetDownscaledMapDifficultyData(mapId, difficulty);
 
    BoundInstancesMap::iterator itr = m_boundInstances[difficulty].find(mapId);
    if (itr != m_boundInstances[difficulty].end())
        return &itr->second;
    else
        return nullptr;
}
 
InstanceGroupBind* Group::BindToInstance(InstanceSave* save, bool permanent, bool load)
{
    if (!save || isBGGroup() || isBFGroup())
        return nullptr;
 
    InstanceGroupBind& bind = m_boundInstances[save->GetDifficultyID()][save->GetMapId()];
    if (!load && (!bind.save || permanent != bind.perm || save != bind.save))
    {
        CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_REP_GROUP_INSTANCE);
 
        stmt->setUInt32(0, m_dbStoreId);
        stmt->setUInt32(1, save->GetInstanceId());
        stmt->setBool(2, permanent);
 
        CharacterDatabase.Execute(stmt);
    }
 
    if (bind.save != save)
    {
        if (bind.save)
            bind.save->RemoveGroup(this);
        save->AddGroup(this);
    }
 
    bind.save = save;
    bind.perm = permanent;
    if (!load)
        TC_LOG_DEBUG("maps", "Group::BindToInstance: {}, storage id: {} is now bound to map {}, instance {}, difficulty {}",
            GetGUID().ToString(), m_dbStoreId, save->GetMapId(), save->GetInstanceId(), static_cast<uint32>(save->GetDifficultyID()));
 
    return &bind;
}
 
void Group::UnbindInstance(uint32 mapid, uint8 difficulty, bool unload)
{
    BoundInstancesMap::iterator itr = m_boundInstances[difficulty].find(mapid);
    if (itr != m_boundInstances[difficulty].end())
    {
        if (!unload)
        {
            CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_DEL_GROUP_INSTANCE_BY_GUID);
 
            stmt->setUInt32(0, m_dbStoreId);
            stmt->setUInt32(1, itr->second.save->GetInstanceId());
 
            CharacterDatabase.Execute(stmt);
        }
 
        itr->second.save->RemoveGroup(this);                // save can become invalid
        m_boundInstances[difficulty].erase(itr);
    }
}
 
void Group::_homebindIfInstance(Player* player)
{
    if (player && !player->IsGameMaster() && sMapStore.LookupEntry(player->GetMapId())->IsDungeon())
        player->m_InstanceValid = false;
}
 
void Group::BroadcastGroupUpdate(void)
{
    // FG: HACK: force flags update on group leave - for values update hack
    // -- not very efficient but safe
    for (member_citerator citr = m_memberSlots.begin(); citr != m_memberSlots.end(); ++citr)
    {
        Player* pp = ObjectAccessor::FindPlayer(citr->guid);
        if (pp)
        {
            pp->ForceValuesUpdateAtIndex(UNIT_FIELD_BYTES_2);
            pp->ForceValuesUpdateAtIndex(UNIT_FIELD_FACTIONTEMPLATE);
            TC_LOG_DEBUG("misc", "-- Forced group value update for '{}'", pp->GetName());
        }
    }
}
 
void Group::ResetMaxEnchantingLevel()
{
    m_maxEnchantingLevel = 0;
    Player* member = nullptr;
    for (member_citerator citr = m_memberSlots.begin(); citr != m_memberSlots.end(); ++citr)
    {
        member = ObjectAccessor::FindPlayer(citr->guid);
        if (member && m_maxEnchantingLevel < member->GetSkillValue(SKILL_ENCHANTING))
            m_maxEnchantingLevel = member->GetSkillValue(SKILL_ENCHANTING);
    }
}
 
void Group::SetLootMethod(LootMethod method)
{
    m_lootMethod = method;
}
 
void Group::SetLooterGuid(ObjectGuid guid)
{
    m_looterGuid = guid;
}
 
void Group::SetMasterLooterGuid(ObjectGuid guid)
{
    m_masterLooterGuid = guid;
}
 
void Group::SetLootThreshold(ItemQualities threshold)
{
    m_lootThreshold = threshold;
}
 
void Group::SetLfgRoles(ObjectGuid guid, uint8 roles)
{
    member_witerator slot = _getMemberWSlot(guid);
    if (slot == m_memberSlots.end())
        return;
 
    slot->roles = roles;
    SendUpdate();
}
 
bool Group::IsFull() const
{
    return isRaidGroup() ? (m_memberSlots.size() >= MAX_RAID_SIZE) : (m_memberSlots.size() >= MAX_GROUP_SIZE);
}
 
bool Group::isLFGGroup() const
{
    return (m_groupType & GROUPTYPE_LFG) != 0;
}
 
bool Group::isRaidGroup() const
{
    return (m_groupType & GROUPTYPE_RAID) != 0;
}
 
bool Group::isBGGroup() const
{
    return m_bgGroup != nullptr;
}
 
bool Group::isBFGroup() const
{
    return m_bfGroup != nullptr;
}
 
bool Group::IsCreated() const
{
    return GetMembersCount() > 0;
}
 
ObjectGuid Group::GetLeaderGUID() const
{
    return m_leaderGuid;
}
 
ObjectGuid Group::GetGUID() const
{
    return m_guid;
}
 
char const* Group::GetLeaderName() const
{
    return m_leaderName.c_str();
}
 
LootMethod Group::GetLootMethod() const
{
    return m_lootMethod;
}
 
ObjectGuid Group::GetLooterGuid() const
{
    if (GetLootMethod() == FREE_FOR_ALL)
        return ObjectGuid::Empty;
    return m_looterGuid;
}
 
ObjectGuid Group::GetMasterLooterGuid() const
{
    return m_masterLooterGuid;
}
 
ItemQualities Group::GetLootThreshold() const
{
    return m_lootThreshold;
}
 
bool Group::IsMember(ObjectGuid guid) const
{
    return _getMemberCSlot(guid) != m_memberSlots.end();
}
 
bool Group::IsLeader(ObjectGuid guid) const
{
    return (GetLeaderGUID() == guid);
}
 
ObjectGuid Group::GetMemberGUID(const std::string& name)
{
    for (member_citerator itr = m_memberSlots.begin(); itr != m_memberSlots.end(); ++itr)
        if (itr->name == name)
            return itr->guid;
    return ObjectGuid::Empty;
}
 
uint8 Group::GetMemberFlags(ObjectGuid guid) const
{
    member_citerator mslot = _getMemberCSlot(guid);
    if (mslot == m_memberSlots.end())
        return 0u;
    return mslot->flags;
}
 
bool Group::SameSubGroup(ObjectGuid guid1, ObjectGuid guid2) const
{
    member_citerator mslot2 = _getMemberCSlot(guid2);
    if (mslot2 == m_memberSlots.end())
       return false;
    return SameSubGroup(guid1, &*mslot2);
}
 
bool Group::SameSubGroup(ObjectGuid guid1, MemberSlot const* slot2) const
{
    member_citerator mslot1 = _getMemberCSlot(guid1);
    if (mslot1 == m_memberSlots.end() || !slot2)
        return false;
    return (mslot1->group == slot2->group);
}
 
bool Group::HasFreeSlotSubGroup(uint8 subgroup) const
{
    return (m_subGroupsCounts && m_subGroupsCounts[subgroup] < MAX_GROUP_SIZE);
}
 
uint8 Group::GetMemberGroup(ObjectGuid guid) const
{
    member_citerator mslot = _getMemberCSlot(guid);
    if (mslot == m_memberSlots.end())
       return (MAX_RAID_SUBGROUPS+1);
    return mslot->group;
}
 
void Group::SetBattlegroundGroup(Battleground* bg)
{
    m_bgGroup = bg;
}
 
void Group::SetBattlefieldGroup(Battlefield *bg)
{
    m_bfGroup = bg;
}
 
void Group::SetGroupMemberFlag(ObjectGuid guid, bool apply, GroupMemberFlags flag)
{
    // Assistants, main assistants and main tanks are only available in raid groups
    if (!isRaidGroup())
       return;
 
    // Check if player is really in the raid
    member_witerator slot = _getMemberWSlot(guid);
    if (slot == m_memberSlots.end())
        return;
 
    // Do flag specific actions, e.g ensure uniqueness
    switch (flag)
    {
        case MEMBER_FLAG_MAINASSIST:
            RemoveUniqueGroupMemberFlag(MEMBER_FLAG_MAINASSIST);         // Remove main assist flag from current if any.
            break;
        case MEMBER_FLAG_MAINTANK:
            RemoveUniqueGroupMemberFlag(MEMBER_FLAG_MAINTANK);           // Remove main tank flag from current if any.
            break;
        case MEMBER_FLAG_ASSISTANT:
            break;
        default:
            return;                                                      // This should never happen
    }
 
    // Switch the actual flag
    ToggleGroupMemberFlag(slot, flag, apply);
 
    // Preserve the new setting in the db
    CharacterDatabasePreparedStatement* stmt = CharacterDatabase.GetPreparedStatement(CHAR_UPD_GROUP_MEMBER_FLAG);
 
    stmt->setUInt8(0, slot->flags);
    stmt->setUInt32(1, guid.GetCounter());
 
    CharacterDatabase.Execute(stmt);
 
    // Broadcast the changes to the group
    SendUpdate();
}
 
Group::Rolls::iterator Group::GetRoll(ObjectGuid Guid)
{
    Rolls::iterator iter;
    for (iter = RollId.begin(); iter != RollId.end(); ++iter)
        if ((*iter)->itemGUID == Guid && (*iter)->isValid())
            return iter;
    return RollId.end();
}
 
void Group::LinkMember(GroupReference* pRef)
{
    m_memberMgr.insertFirst(pRef);
}
 
void Group::DelinkMember(ObjectGuid guid)
{
    GroupReference* ref = m_memberMgr.getFirst();
    while (ref)
    {
        GroupReference* nextRef = ref->next();
        if (ref->GetSource()->GetGUID() == guid)
        {
            ref->unlink();
            break;
        }
        ref = nextRef;
    }
}
 
Group::BoundInstancesMap& Group::GetBoundInstances(Difficulty difficulty)
{
    return m_boundInstances[difficulty];
}
 
void Group::_initRaidSubGroupsCounter()
{
    // Sub group counters initialization
    if (!m_subGroupsCounts)
        m_subGroupsCounts = new uint8[MAX_RAID_SUBGROUPS];
 
    memset((void*)m_subGroupsCounts, 0, (MAX_RAID_SUBGROUPS)*sizeof(uint8));
 
    for (member_citerator itr = m_memberSlots.begin(); itr != m_memberSlots.end(); ++itr)
        ++m_subGroupsCounts[itr->group];
}
 
Group::member_citerator Group::_getMemberCSlot(ObjectGuid Guid) const
{
    for (member_citerator itr = m_memberSlots.begin(); itr != m_memberSlots.end(); ++itr)
        if (itr->guid == Guid)
            return itr;
    return m_memberSlots.end();
}
 
Group::member_witerator Group::_getMemberWSlot(ObjectGuid Guid)
{
    for (member_witerator itr = m_memberSlots.begin(); itr != m_memberSlots.end(); ++itr)
        if (itr->guid == Guid)
            return itr;
    return m_memberSlots.end();
}
 
void Group::SubGroupCounterIncrease(uint8 subgroup)
{
    if (m_subGroupsCounts)
        ++m_subGroupsCounts[subgroup];
}
 
void Group::SubGroupCounterDecrease(uint8 subgroup)
{
    if (m_subGroupsCounts)
        --m_subGroupsCounts[subgroup];
}
 
void Group::RemoveUniqueGroupMemberFlag(GroupMemberFlags flag)
{
    for (member_witerator itr = m_memberSlots.begin(); itr != m_memberSlots.end(); ++itr)
        if (itr->flags & flag)
            itr->flags &= ~flag;
}
 
void Group::ToggleGroupMemberFlag(member_witerator slot, uint8 flag, bool apply)
{
    if (apply)
        slot->flags |= flag;
    else
        slot->flags &= ~flag;
}
 
void Group::StartLeaderOfflineTimer()
{
    m_isLeaderOffline = true;
    m_leaderOfflineTimer.Reset(2 * MINUTE * IN_MILLISECONDS);
}
 
void Group::StopLeaderOfflineTimer()
{
    m_isLeaderOffline = false;
}