MiscHandler.cpp

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/*
 * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program. If not, see <http://www.gnu.org/licenses/>.
 */
 
#include "WorldSession.h"
#include "AccountMgr.h"
#include "AchievementMgr.h"
#include "AchievementPackets.h"
#include "AreaTriggerPackets.h"
#include "Battleground.h"
#include "CharacterPackets.h"
#include "Chat.h"
#include "CinematicMgr.h"
#include "ClientConfigPackets.h"
#include "Common.h"
#include "Conversation.h"
#include "Corpse.h"
#include "DatabaseEnv.h"
#include "DB2Stores.h"
#include "GameTime.h"
#include "GossipDef.h"
#include "Group.h"
#include "Guild.h"
#include "GuildMgr.h"
#include "InstancePackets.h"
#include "InstanceScript.h"
#include "Language.h"
#include "Log.h"
#include "Map.h"
#include "MiscPackets.h"
#include "Object.h"
#include "ObjectAccessor.h"
#include "ObjectMgr.h"
#include "OutdoorPvP.h"
#include "Player.h"
#include "RestMgr.h"
#include "ScriptMgr.h"
#include "Spell.h"
#include "SpellPackets.h"
#include "WhoListStorage.h"
#include "WhoPackets.h"
#include "World.h"
#include <cstdarg>
#include <zlib.h>
 
void WorldSession::HandleRepopRequest(WorldPackets::Misc::RepopRequest& /*packet*/)
{
 if (GetPlayer()->IsAlive() || GetPlayer()->HasPlayerFlag(PLAYER_FLAGS_GHOST))
 return;
 
 if (GetPlayer()->HasAuraType(SPELL_AURA_PREVENT_RESURRECTION))
 return; // silently return, client should display the error by itself
 
 // the world update order is sessions, players, creatures
 // the netcode runs in parallel with all of these
 // creatures can kill players
 // so if the server is lagging enough the player can
 // release spirit after he's killed but before he is updated
 if (GetPlayer()->getDeathState() == JUST_DIED)
 {
 TC_LOG_DEBUG("network", "HandleRepopRequestOpcode: got request after player {} {} was killed and before he was updated",
 GetPlayer()->GetName(), GetPlayer()->GetGUID().ToString());
 GetPlayer()->KillPlayer();
 }
 
 //this is spirit release confirm?
 GetPlayer()->RemovePet(nullptr, PET_SAVE_NOT_IN_SLOT, true);
 GetPlayer()->BuildPlayerRepop();
 GetPlayer()->RepopAtGraveyard();
}
 
void WorldSession::HandleWhoOpcode(WorldPackets::Who::WhoRequestPkt& whoRequest)
{
 WorldPackets::Who::WhoRequest& request = whoRequest.Request;
 
 TC_LOG_DEBUG("network", "WorldSession::HandleWhoOpcode: MinLevel: {}, MaxLevel: {}, Name: {} (VirtualRealmName: {}), Guild: {} (GuildVirtualRealmName: {}), RaceFilter: {}, ClassFilter: {}, Areas: {}, Words: {}.",
 request.MinLevel, request.MaxLevel, request.Name, request.VirtualRealmName, request.Guild, request.GuildVirtualRealmName,
 request.RaceFilter.RawValue, request.ClassFilter, whoRequest.Areas.size(), request.Words.size());
 
 // zones count, client limit = 10 (2.0.10)
 // can't be received from real client or broken packet
 if (whoRequest.Areas.size() > 10)
 return;
 
 // user entered strings count, client limit=4 (checked on 2.0.10)
 // can't be received from real client or broken packet
 if (request.Words.size() > 4)
 return;
 
 
 std::vector<std::wstring> wWords;
 wWords.resize(request.Words.size());
 for (size_t i = 0; i < request.Words.size(); ++i)
 {
 TC_LOG_DEBUG("network", "WorldSession::HandleWhoOpcode: Word: {}", request.Words[i].Word);
 
 // user entered string, it used as universal search pattern(guild+player name)?
 if (!Utf8toWStr(request.Words[i].Word, wWords[i]))
 continue;
 
 wstrToLower(wWords[i]);
 }
 
 std::wstring wPlayerName;
 std::wstring wGuildName;
 
 if (!(Utf8toWStr(request.Name, wPlayerName) && Utf8toWStr(request.Guild, wGuildName)))
 return;
 
 wstrToLower(wPlayerName);
 wstrToLower(wGuildName);
 
 // client send in case not set max level value 100 but Trinity supports 255 max level,
 // update it to show GMs with characters after 100 level
 if (whoRequest.Request.MaxLevel >= MAX_LEVEL)
 whoRequest.Request.MaxLevel = STRONG_MAX_LEVEL;
 
 uint32 team = _player->GetTeam();
 
 uint32 gmLevelInWhoList = sWorld->getIntConfig(CONFIG_GM_LEVEL_IN_WHO_LIST);
 
 WorldPackets::Who::WhoResponsePkt response;
 response.RequestID = whoRequest.RequestID;
 
 WhoListInfoVector const& whoList = sWhoListStorageMgr->GetWhoList();
 for (WhoListPlayerInfo const& target : whoList)
 {
 // player can see member of other team only if has RBAC_PERM_TWO_SIDE_WHO_LIST
 if (target.GetTeam() != team && !HasPermission(rbac::RBAC_PERM_TWO_SIDE_WHO_LIST))
 continue;
 
 // player can see MODERATOR, GAME MASTER, ADMINISTRATOR only if has RBAC_PERM_WHO_SEE_ALL_SEC_LEVELS
 if (target.GetSecurity() > AccountTypes(gmLevelInWhoList) && !HasPermission(rbac::RBAC_PERM_WHO_SEE_ALL_SEC_LEVELS))
 continue;
 
 // check if target is globally visible for player
 if (_player->GetGUID() != target.GetGuid() && !target.IsVisible())
 if (AccountMgr::IsPlayerAccount(_player->GetSession()->GetSecurity()) || target.GetSecurity() > _player->GetSession()->GetSecurity())
 continue;
 
 // check if target's level is in level range
 uint8 lvl = target.GetLevel();
 if (lvl < request.MinLevel || lvl > request.MaxLevel)
 continue;
 
 // check if class matches classmask
 if (request.ClassFilter >= 0 && !(request.ClassFilter & (1 << target.GetClass())))
 continue;
 
 // check if race matches racemask
 if (!request.RaceFilter.HasRace(target.GetRace()))
 continue;
 
 if (!whoRequest.Areas.empty())
 {
 if (std::find(whoRequest.Areas.begin(), whoRequest.Areas.end(), int32(target.GetZoneId())) == whoRequest.Areas.end())
 continue;
 }
 
 std::wstring const& wTargetName = target.GetWidePlayerName();
 if (!(wPlayerName.empty() || wTargetName.find(wPlayerName) != std::wstring::npos))
 continue;
 
 std::wstring const& wTargetGuildName = target.GetWideGuildName();
 
 if (!wGuildName.empty() && wTargetGuildName.find(wGuildName) == std::wstring::npos)
 continue;
 
 if (!wWords.empty())
 {
 std::string aName;
 if (AreaTableEntry const* areaEntry = sAreaTableStore.LookupEntry(target.GetZoneId()))
 aName = areaEntry->AreaName[GetSessionDbcLocale()];
 
 bool show = false;
 for (size_t i = 0; i < wWords.size(); ++i)
 {
 if (!wWords[i].empty())
 {
 if (wTargetName.find(wWords[i]) != std::wstring::npos ||
 wTargetGuildName.find(wWords[i]) != std::wstring::npos ||
 Utf8FitTo(aName, wWords[i]))
 {
 show = true;
 break;
 }
 }
 }
 
 if (!show)
 continue;
 }
 
 WorldPackets::Who::WhoEntry whoEntry;
 if (!whoEntry.PlayerData.Initialize(target.GetGuid(), nullptr))
 continue;
 
 if (!target.GetGuildGuid().IsEmpty())
 {
 whoEntry.GuildGUID = target.GetGuildGuid();
 whoEntry.GuildVirtualRealmAddress = GetVirtualRealmAddress();
 whoEntry.GuildName = target.GetGuildName();
 }
 
 whoEntry.AreaID = target.GetZoneId();
 whoEntry.IsGM = target.IsGameMaster();
 
 response.Response.Entries.push_back(whoEntry);
 
 // 50 is maximum player count sent to client - can be overridden
 // through config, but is unstable
 if (response.Response.Entries.size() >= sWorld->getIntConfig(CONFIG_MAX_WHO))
 break;
 }
 
 SendPacket(response.Write());
}
 
void WorldSession::HandleLogoutRequestOpcode(WorldPackets::Character::LogoutRequest& logoutRequest)
{
 if (!GetPlayer()->GetLootGUID().IsEmpty())
 GetPlayer()->SendLootReleaseAll();
 
 bool instantLogout = GetPlayer()->IsInFlight();
 if (!logoutRequest.IdleLogout)
 instantLogout |= (GetPlayer()->HasPlayerFlag(PLAYER_FLAGS_RESTING) && !GetPlayer()->IsInCombat())
 || HasPermission(rbac::RBAC_PERM_INSTANT_LOGOUT);
 
 bool canLogoutInCombat = GetPlayer()->HasPlayerFlag(PLAYER_FLAGS_RESTING);
 
 uint32 reason = 0;
 if (GetPlayer()->IsInCombat() && !canLogoutInCombat)
 reason = 1;
 else if (GetPlayer()->IsFalling())
 reason = 3; // is jumping or falling
 else if (GetPlayer()->duel || GetPlayer()->HasAura(9454)) // is dueling or frozen by GM via freeze command
 reason = 2; // FIXME - Need the correct value
 
 WorldPackets::Character::LogoutResponse logoutResponse;
 logoutResponse.LogoutResult = reason;
 logoutResponse.Instant = instantLogout;
 SendPacket(logoutResponse.Write());
 
 if (reason)
 {
 SetLogoutStartTime(0);
 return;
 }
 
 // instant logout in taverns/cities or on taxi or for admins, gm's, mod's if its enabled in worldserver.conf
 if (instantLogout)
 {
 LogoutPlayer(true);
 return;
 }
 
 // not set flags if player can't free move to prevent lost state at logout cancel
 if (GetPlayer()->CanFreeMove())
 {
 if (GetPlayer()->GetStandState() == UNIT_STAND_STATE_STAND)
 GetPlayer()->SetStandState(UNIT_STAND_STATE_SIT);
 GetPlayer()->SetRooted(true);
 GetPlayer()->SetUnitFlag(UNIT_FLAG_STUNNED);
 }
 
 SetLogoutStartTime(GameTime::GetGameTime());
}
 
void WorldSession::HandleLogoutCancelOpcode(WorldPackets::Character::LogoutCancel& /*logoutCancel*/)
{
 // Player have already logged out serverside, too late to cancel
 if (!GetPlayer())
 return;
 
 SetLogoutStartTime(0);
 
 SendPacket(WorldPackets::Character::LogoutCancelAck().Write());
 
 // not remove flags if can't free move - its not set in Logout request code.
 if (GetPlayer()->CanFreeMove())
 {
 GetPlayer()->SetRooted(false);
 
 GetPlayer()->SetStandState(UNIT_STAND_STATE_STAND);
 
 GetPlayer()->RemoveUnitFlag(UNIT_FLAG_STUNNED);
 }
}
 
void WorldSession::HandleTogglePvP(WorldPackets::Misc::TogglePvP& /*packet*/)
{
 if (!GetPlayer()->HasPlayerFlag(PLAYER_FLAGS_IN_PVP))
 {
 GetPlayer()->SetPlayerFlag(PLAYER_FLAGS_IN_PVP);
 GetPlayer()->RemovePlayerFlag(PLAYER_FLAGS_PVP_TIMER);
 if (!GetPlayer()->IsPvP() || GetPlayer()->pvpInfo.EndTimer)
 GetPlayer()->UpdatePvP(true, true);
 }
 else if (!GetPlayer()->IsWarModeLocalActive())
 {
 GetPlayer()->RemovePlayerFlag(PLAYER_FLAGS_IN_PVP);
 GetPlayer()->SetPlayerFlag(PLAYER_FLAGS_PVP_TIMER);
 if (!GetPlayer()->pvpInfo.IsHostile && GetPlayer()->IsPvP())
 GetPlayer()->pvpInfo.EndTimer = GameTime::GetGameTime(); // start toggle-off
 }
}
 
void WorldSession::HandleSetPvP(WorldPackets::Misc::SetPvP& packet)
{
 if (packet.EnablePVP)
 {
 GetPlayer()->SetPlayerFlag(PLAYER_FLAGS_IN_PVP);
 GetPlayer()->RemovePlayerFlag(PLAYER_FLAGS_PVP_TIMER);
 if (!GetPlayer()->IsPvP() || GetPlayer()->pvpInfo.EndTimer)
 GetPlayer()->UpdatePvP(true, true);
 }
 else if (!GetPlayer()->IsWarModeLocalActive())
 {
 GetPlayer()->RemovePlayerFlag(PLAYER_FLAGS_IN_PVP);
 GetPlayer()->SetPlayerFlag(PLAYER_FLAGS_PVP_TIMER);
 if (!GetPlayer()->pvpInfo.IsHostile && GetPlayer()->IsPvP())
 GetPlayer()->pvpInfo.EndTimer = GameTime::GetGameTime(); // start toggle-off
 }
}
 
void WorldSession::HandleSetWarMode(WorldPackets::Misc::SetWarMode& packet)
{
 _player->SetWarModeDesired(packet.Enable);
}
 
void WorldSession::HandlePortGraveyard(WorldPackets::Misc::PortGraveyard& /*packet*/)
{
 if (GetPlayer()->IsAlive() || !GetPlayer()->HasPlayerFlag(PLAYER_FLAGS_GHOST))
 return;
 GetPlayer()->RepopAtGraveyard();
}
 
void WorldSession::HandleRequestCemeteryList(WorldPackets::Misc::RequestCemeteryList& /*packet*/)
{
 uint32 zoneId = _player->GetZoneId();
 uint32 team = _player->GetTeam();
 
 std::vector<uint32> graveyardIds;
 auto range = sObjectMgr->GraveyardStore.equal_range(zoneId);
 
 for (auto it = range.first; it != range.second && graveyardIds.size() < 16; ++it) // client max
 {
 ConditionSourceInfo conditionSource(_player);
 if (!it->second.Conditions.Meets(conditionSource))
 continue;
 
 graveyardIds.push_back(it->first);
 }
 
 if (graveyardIds.empty())
 {
 TC_LOG_DEBUG("network", "No graveyards found for zone {} for {} (team {}) in CMSG_REQUEST_CEMETERY_LIST",
 zoneId, _player->GetGUID().ToString(), team);
 return;
 }
 
 WorldPackets::Misc::RequestCemeteryListResponse packet;
 packet.IsGossipTriggered = false;
 packet.CemeteryID.reserve(graveyardIds.size());
 
 for (uint32 id : graveyardIds)
 packet.CemeteryID.push_back(id);
 
 SendPacket(packet.Write());
}
 
void WorldSession::HandleSetSelectionOpcode(WorldPackets::Misc::SetSelection& packet)
{
 _player->SetSelection(packet.Selection);
}
 
void WorldSession::HandleStandStateChangeOpcode(WorldPackets::Misc::StandStateChange& packet)
{
 switch (packet.StandState)
 {
 case UNIT_STAND_STATE_STAND:
 case UNIT_STAND_STATE_SIT:
 case UNIT_STAND_STATE_SLEEP:
 case UNIT_STAND_STATE_KNEEL:
 break;
 default:
 return;
 }
 
 _player->SetStandState(packet.StandState);
}
 
void WorldSession::HandleReclaimCorpse(WorldPackets::Misc::ReclaimCorpse& /*packet*/)
{
 if (_player->IsAlive())
 return;
 
 // do not allow corpse reclaim in arena
 if (_player->InArena())
 return;
 
 // body not released yet
 if (!_player->HasPlayerFlag(PLAYER_FLAGS_GHOST))
 return;
 
 Corpse* corpse = _player->GetCorpse();
 if (!corpse)
 return;
 
 // prevent resurrect before 30-sec delay after body release not finished
 if (time_t(corpse->GetGhostTime() + _player->GetCorpseReclaimDelay(corpse->GetType() == CORPSE_RESURRECTABLE_PVP)) > time_t(GameTime::GetGameTime()))
 return;
 
 if (!corpse->IsWithinDistInMap(_player, CORPSE_RECLAIM_RADIUS, true))
 return;
 
 // resurrect
 _player->ResurrectPlayer(_player->InBattleground() ? 1.0f : 0.5f);
 
 // spawn bones
 _player->SpawnCorpseBones();
}
 
void WorldSession::HandleResurrectResponse(WorldPackets::Misc::ResurrectResponse& packet)
{
 if (GetPlayer()->IsAlive())
 return;
 
 if (packet.Response != 0) // Accept = 0 Decline = 1 Timeout = 2
 {
 GetPlayer()->ClearResurrectRequestData(); // reject
 return;
 }
 
 if (!GetPlayer()->IsResurrectRequestedBy(packet.Resurrecter))
 return;
 
 if (Player* ressPlayer = ObjectAccessor::GetPlayer(*GetPlayer(), packet.Resurrecter))
 {
 if (InstanceScript* instance = ressPlayer->GetInstanceScript())
 {
 if (instance->IsEncounterInProgress())
 {
 if (!instance->GetCombatResurrectionCharges())
 return;
 else
 instance->UseCombatResurrection();
 }
 }
 }
 
 GetPlayer()->ResurrectUsingRequestData();
}
 
void WorldSession::HandleAreaTriggerOpcode(WorldPackets::AreaTrigger::AreaTrigger& packet)
{
 Player* player = GetPlayer();
 if (player->IsInFlight())
 {
 TC_LOG_DEBUG("network", "HandleAreaTriggerOpcode: Player '{}' {} in flight, ignore Area Trigger ID:{}",
 player->GetName(), player->GetGUID().ToString(), packet.AreaTriggerID);
 return;
 }
 
 AreaTriggerEntry const* atEntry = sAreaTriggerStore.LookupEntry(packet.AreaTriggerID);
 if (!atEntry)
 {
 TC_LOG_DEBUG("network", "HandleAreaTriggerOpcode: Player '{}' {} send unknown (by DBC) Area Trigger ID:{}",
 player->GetName(), player->GetGUID().ToString(), packet.AreaTriggerID);
 return;
 }
 
 if (packet.Entered && !player->IsInAreaTriggerRadius(atEntry))
 {
 TC_LOG_DEBUG("network", "HandleAreaTriggerOpcode: Player '{}' {} too far, ignore Area Trigger ID: {}",
 player->GetName(), player->GetGUID().ToString(), packet.AreaTriggerID);
 return;
 }
 
 if (player->isDebugAreaTriggers)
 ChatHandler(player->GetSession()).PSendSysMessage(packet.Entered ? LANG_DEBUG_AREATRIGGER_ENTERED : LANG_DEBUG_AREATRIGGER_LEFT, packet.AreaTriggerID);
 
 if (!sConditionMgr->IsObjectMeetingNotGroupedConditions(CONDITION_SOURCE_TYPE_AREATRIGGER_CLIENT_TRIGGERED, atEntry->ID, player))
 return;
 
 if (sScriptMgr->OnAreaTrigger(player, atEntry, packet.Entered))
 return;
 
 if (player->IsAlive() && packet.Entered)
 {
 // not using Player::UpdateQuestObjectiveProgress, ObjectID in quest_objectives can be set to -1, areatrigger_involvedrelation then holds correct id
 if (std::unordered_set<uint32> const* quests = sObjectMgr->GetQuestsForAreaTrigger(packet.AreaTriggerID))
 {
 bool anyObjectiveChangedCompletionState = false;
 for (uint32 questId : *quests)
 {
 Quest const* qInfo = sObjectMgr->GetQuestTemplate(questId);
 uint16 slot = player->FindQuestSlot(questId);
 if (qInfo && slot < MAX_QUEST_LOG_SIZE && player->GetQuestStatus(questId) == QUEST_STATUS_INCOMPLETE)
 {
 for (QuestObjective const& obj : qInfo->Objectives)
 {
 if (obj.Type != QUEST_OBJECTIVE_AREATRIGGER)
 continue;
 
 if (!player->IsQuestObjectiveCompletable(slot, qInfo, obj))
 continue;
 
 if (player->IsQuestObjectiveComplete(slot, qInfo, obj))
 continue;
 
 if (obj.ObjectID != -1 && obj.ObjectID != packet.AreaTriggerID)
 continue;
 
 player->SetQuestObjectiveData(obj, 1);
 player->SendQuestUpdateAddCreditSimple(obj);
 anyObjectiveChangedCompletionState = true;
 break;
 }
 
 if (qInfo->HasFlag(QUEST_FLAGS_COMPLETION_AREA_TRIGGER))
 player->AreaExploredOrEventHappens(questId);
 
 if (player->CanCompleteQuest(questId))
 player->CompleteQuest(questId);
 }
 }
 
 if (anyObjectiveChangedCompletionState)
 player->UpdateVisibleObjectInteractions(true, false, false, true);
 }
 }
 
 if (sObjectMgr->IsTavernAreaTrigger(packet.AreaTriggerID))
 {
 // set resting flag we are in the inn
 if (packet.Entered)
 player->GetRestMgr().SetRestFlag(REST_FLAG_IN_TAVERN, atEntry->ID);
 else
 player->GetRestMgr().RemoveRestFlag(REST_FLAG_IN_TAVERN);
 
 if (sWorld->IsFFAPvPRealm())
 {
 if (packet.Entered)
 player->RemovePvpFlag(UNIT_BYTE2_FLAG_FFA_PVP);
 else
 player->SetPvpFlag(UNIT_BYTE2_FLAG_FFA_PVP);
 }
 
 return;
 }
 
 if (Battleground* bg = player->GetBattleground())
 bg->HandleAreaTrigger(player, packet.AreaTriggerID, packet.Entered);
 
 if (OutdoorPvP* pvp = player->GetOutdoorPvP())
 if (pvp->HandleAreaTrigger(_player, packet.AreaTriggerID, packet.Entered))
 return;
 
 if (!packet.Entered)
 return;
 
 AreaTriggerStruct const* at = sObjectMgr->GetAreaTrigger(packet.AreaTriggerID);
 if (!at)
 return;
 
 bool teleported = false;
 if (player->GetMapId() != at->target_mapId)
 {
 if (!player->IsAlive())
 {
 if (player->HasCorpse())
 {
 // let enter in ghost mode in instance that connected to inner instance with corpse
 uint32 corpseMap = player->GetCorpseLocation().GetMapId();
 do
 {
 if (corpseMap == at->target_mapId)
 break;
 
 InstanceTemplate const* corpseInstance = sObjectMgr->GetInstanceTemplate(corpseMap);
 corpseMap = corpseInstance ? corpseInstance->Parent : 0;
 } while (corpseMap);
 
 if (!corpseMap)
 {
 SendPacket(WorldPackets::AreaTrigger::AreaTriggerNoCorpse().Write());
 return;
 }
 
 TC_LOG_DEBUG("maps", "MAP: Player '{}' has corpse in instance {} and can enter.", player->GetName(), at->target_mapId);
 }
 else
 TC_LOG_DEBUG("maps", "Map::CanPlayerEnter - player '{}' is dead but does not have a corpse!", player->GetName());
 }
 
 if (TransferAbortParams denyReason = Map::PlayerCannotEnter(at->target_mapId, player))
 {
 switch (denyReason.Reason)
 {
 case TRANSFER_ABORT_MAP_NOT_ALLOWED:
 TC_LOG_DEBUG("maps", "MAP: Player '{}' attempted to enter map with id {} which has no entry", player->GetName(), at->target_mapId);
 break;
 case TRANSFER_ABORT_DIFFICULTY:
 TC_LOG_DEBUG("maps", "MAP: Player '{}' attempted to enter instance map {} but the requested difficulty was not found", player->GetName(), at->target_mapId);
 break;
 case TRANSFER_ABORT_NEED_GROUP:
 TC_LOG_DEBUG("maps", "MAP: Player '{}' must be in a raid group to enter map {}", player->GetName(), at->target_mapId);
 player->SendRaidGroupOnlyMessage(RAID_GROUP_ERR_ONLY, 0);
 break;
 case TRANSFER_ABORT_LOCKED_TO_DIFFERENT_INSTANCE:
 TC_LOG_DEBUG("maps", "MAP: Player '{}' cannot enter instance map {} because their permanent bind is incompatible with their group's", player->GetName(), at->target_mapId);
 break;
 case TRANSFER_ABORT_ALREADY_COMPLETED_ENCOUNTER:
 TC_LOG_DEBUG("maps", "MAP: Player '{}' cannot enter instance map {} because their permanent bind is incompatible with their group's", player->GetName(), at->target_mapId);
 break;
 case TRANSFER_ABORT_TOO_MANY_INSTANCES:
 TC_LOG_DEBUG("maps", "MAP: Player '{}' cannot enter instance map {} because he has exceeded the maximum number of instances per hour.", player->GetName(), at->target_mapId);
 break;
 case TRANSFER_ABORT_MAX_PLAYERS:
 break;
 case TRANSFER_ABORT_ZONE_IN_COMBAT:
 break;
 case TRANSFER_ABORT_NOT_FOUND:
 TC_LOG_DEBUG("maps", "MAP: Player '{}' cannot enter instance map {} because instance is resetting.", player->GetName(), at->target_mapId);
 break;
 default:
 break;
 }
 
 if (denyReason.Reason != TRANSFER_ABORT_NEED_GROUP)
 player->SendTransferAborted(at->target_mapId, denyReason.Reason, denyReason.Arg, denyReason.MapDifficultyXConditionId);
 
 if (!player->IsAlive() && player->HasCorpse())
 {
 if (player->GetCorpseLocation().GetMapId() == at->target_mapId)
 {
 player->ResurrectPlayer(0.5f);
 player->SpawnCorpseBones();
 }
 }
 
 return;
 }
 
 if (Group* group = player->GetGroup())
 if (group->isLFGGroup() && player->GetMap()->IsDungeon())
 teleported = player->TeleportToBGEntryPoint();
 }
 
 if (!teleported)
 {
 WorldSafeLocsEntry const* entranceLocation = player->GetInstanceEntrance(at->target_mapId);
 if (entranceLocation && player->GetMapId() != at->target_mapId)
 player->TeleportTo(entranceLocation->Loc, TELE_TO_NOT_LEAVE_TRANSPORT);
 else
 player->TeleportTo(at->target_mapId, at->target_X, at->target_Y, at->target_Z, at->target_Orientation, TELE_TO_NOT_LEAVE_TRANSPORT);
 }
}
 
void WorldSession::HandleUpdateAccountData(WorldPackets::ClientConfig::UserClientUpdateAccountData& packet)
{
 TC_LOG_DEBUG("network", "WORLD: Received CMSG_UPDATE_ACCOUNT_DATA: type {}, time {}, decompressedSize {}",
 packet.DataType, packet.Time.AsUnderlyingType(), packet.Size);
 
 if (packet.DataType >= NUM_ACCOUNT_DATA_TYPES)
 return;
 
 if (packet.Size == 0) // erase
 {
 SetAccountData(AccountDataType(packet.DataType), 0, "");
 return;
 }
 
 if (packet.Size > 0xFFFF)
 {
 TC_LOG_ERROR("network", "UAD: Account data packet too big, size {}", packet.Size);
 return;
 }
 
 ByteBuffer dest(packet.Size, ByteBuffer::Resize{});
 
 uLongf realSize = packet.Size;
 if (uncompress(dest.contents(), &realSize, packet.CompressedData.contents(), packet.CompressedData.size()) != Z_OK)
 {
 TC_LOG_ERROR("network", "UAD: Failed to decompress account data");
 return;
 }
 
 std::string adata;
 dest >> adata;
 
 SetAccountData(AccountDataType(packet.DataType), packet.Time, adata);
}
 
void WorldSession::HandleRequestAccountData(WorldPackets::ClientConfig::RequestAccountData& request)
{
 TC_LOG_DEBUG("network", "WORLD: Received CMSG_REQUEST_ACCOUNT_DATA: type {}", request.DataType);
 
 if (request.DataType >= NUM_ACCOUNT_DATA_TYPES)
 return;
 
 AccountData const* adata = GetAccountData(AccountDataType(request.DataType));
 
 WorldPackets::ClientConfig::UpdateAccountData data;
 data.Player = _player ? _player->GetGUID() : ObjectGuid::Empty;
 data.Time = adata->Time;
 data.Size = adata->Data.size();
 data.DataType = request.DataType;
 
 uLongf destSize = compressBound(data.Size);
 
 data.CompressedData.resize(destSize);
 
 if (data.Size && compress(data.CompressedData.contents(), &destSize, (uint8 const*)adata->Data.c_str(), data.Size) != Z_OK)
 {
 TC_LOG_ERROR("network", "RAD: Failed to compress account data");
 return;
 }
 
 data.CompressedData.resize(destSize);
 
 SendPacket(data.Write());
}
 
void WorldSession::HandleSetActionButtonOpcode(WorldPackets::Spells::SetActionButton& packet)
{
 uint64 action = ACTION_BUTTON_ACTION(packet.Action);
 uint8 type = ACTION_BUTTON_TYPE(packet.Action);
 
 TC_LOG_DEBUG("network", "CMSG_SET_ACTION_BUTTON Button: {} Action: {} Type: {}", packet.Index, action, uint32(type));
 
 if (!packet.Action)
 GetPlayer()->RemoveActionButton(packet.Index);
 else
 GetPlayer()->AddActionButton(packet.Index, action, type);
}
 
void WorldSession::HandleCompleteCinematic(WorldPackets::Misc::CompleteCinematic& /*packet*/)
{
 // If player has sight bound to visual waypoint NPC we should remove it
 GetPlayer()->GetCinematicMgr()->EndCinematic();
}
 
void WorldSession::HandleNextCinematicCamera(WorldPackets::Misc::NextCinematicCamera& /*packet*/)
{
 // Sent by client when cinematic actually begun. So we begin the server side process
 GetPlayer()->GetCinematicMgr()->NextCinematicCamera();
}
 
void WorldSession::HandleCompleteMovie(WorldPackets::Misc::CompleteMovie& /*packet*/)
{
 uint32 movie = _player->GetMovie();
 if (!movie)
 return;
 
 _player->SetMovie(0);
 sScriptMgr->OnMovieComplete(_player, movie);
}
 
void WorldSession::HandleSetActionBarToggles(WorldPackets::Character::SetActionBarToggles& packet)
{
 if (!GetPlayer()) // ignore until not logged (check needed because STATUS_AUTHED)
 {
 if (packet.Mask != 0)
 TC_LOG_ERROR("network", "WorldSession::HandleSetActionBarToggles in not logged state with value: {}, ignored", uint32(packet.Mask));
 return;
 }
 
 GetPlayer()->SetMultiActionBars(packet.Mask);
}
 
void WorldSession::HandlePlayedTime(WorldPackets::Character::RequestPlayedTime& packet)
{
 WorldPackets::Character::PlayedTime playedTime;
 playedTime.TotalTime = _player->GetTotalPlayedTime();
 playedTime.LevelTime = _player->GetLevelPlayedTime();
 playedTime.TriggerEvent = packet.TriggerScriptEvent; // 0-1 - will not show in chat frame
 SendPacket(playedTime.Write());
}
 
void WorldSession::HandleWhoIsOpcode(WorldPackets::Who::WhoIsRequest& packet)
{
 TC_LOG_DEBUG("network", "Received whois command from player {} for character {}",
 GetPlayer()->GetName(), packet.CharName);
 
 if (!HasPermission(rbac::RBAC_PERM_OPCODE_WHOIS))
 {
 SendNotification(LANG_YOU_NOT_HAVE_PERMISSION);
 return;
 }
 
 if (packet.CharName.empty() || !normalizePlayerName(packet.CharName))
 {
 SendNotification(LANG_NEED_CHARACTER_NAME);
 return;
 }
 
 Player* player = ObjectAccessor::FindConnectedPlayerByName(packet.CharName);
 if (!player)
 {
 SendNotification(LANG_PLAYER_NOT_EXIST_OR_OFFLINE, packet.CharName.c_str());
 return;
 }
 
 LoginDatabasePreparedStatement* stmt = LoginDatabase.GetPreparedStatement(LOGIN_SEL_ACCOUNT_WHOIS);
 stmt->setUInt32(0, player->GetSession()->GetAccountId());
 
 PreparedQueryResult result = LoginDatabase.Query(stmt);
 if (!result)
 {
 SendNotification(LANG_ACCOUNT_FOR_PLAYER_NOT_FOUND, packet.CharName.c_str());
 return;
 }
 
 Field* fields = result->Fetch();
 std::string acc = fields[0].GetString();
 if (acc.empty())
 acc = "Unknown";
 
 std::string email = fields[1].GetString();
 if (email.empty())
 email = "Unknown";
 
 std::string lastip = fields[2].GetString();
 if (lastip.empty())
 lastip = "Unknown";
 
 WorldPackets::Who::WhoIsResponse response;
 response.AccountName = packet.CharName + "'s " + "account is " + acc + ", e-mail: " + email + ", last ip: " + lastip;
 SendPacket(response.Write());
}
 
void WorldSession::HandleFarSightOpcode(WorldPackets::Misc::FarSight& packet)
{
 if (packet.Enable)
 {
 TC_LOG_DEBUG("network", "Added FarSight {} to player {}", _player->m_activePlayerData->FarsightObject->ToString(), _player->GetGUID().ToString());
 if (WorldObject* target = _player->GetViewpoint())
 _player->SetSeer(target);
 else
 TC_LOG_DEBUG("network", "Player {} {} requests non-existing seer {}", _player->GetName(), _player->GetGUID().ToString(), _player->m_activePlayerData->FarsightObject->ToString());
 }
 else
 {
 TC_LOG_DEBUG("network", "Player {} set vision to self", _player->GetGUID().ToString());
 _player->SetSeer(_player);
 }
 
 GetPlayer()->UpdateVisibilityForPlayer();
}
 
void WorldSession::HandleSetTitleOpcode(WorldPackets::Character::SetTitle& packet)
{
 // -1 at none
 if (packet.TitleID > 0)
 {
 if (!GetPlayer()->HasTitle(packet.TitleID))
 return;
 }
 else
 packet.TitleID = 0;
 
 GetPlayer()->SetChosenTitle(packet.TitleID);
}
 
void WorldSession::HandleResetInstancesOpcode(WorldPackets::Instance::ResetInstances& /*packet*/)
{
 Map* map = _player->FindMap();
 if (map && map->Instanceable())
 return;
 
 if (Group* group = _player->GetGroup())
 {
 if (!group->IsLeader(_player->GetGUID()))
 return;
 
 if (group->isLFGGroup())
 return;
 
 group->ResetInstances(InstanceResetMethod::Manual, _player);
 }
 else
 _player->ResetInstances(InstanceResetMethod::Manual);
}
 
void WorldSession::HandleSetDungeonDifficultyOpcode(WorldPackets::Misc::SetDungeonDifficulty& setDungeonDifficulty)
{
 DifficultyEntry const* difficultyEntry = sDifficultyStore.LookupEntry(setDungeonDifficulty.DifficultyID);
 if (!difficultyEntry)
 {
 TC_LOG_DEBUG("network", "WorldSession::HandleSetDungeonDifficultyOpcode: {} sent an invalid instance mode {}!",
 _player->GetGUID().ToString(), setDungeonDifficulty.DifficultyID);
 return;
 }
 
 if (difficultyEntry->InstanceType != MAP_INSTANCE)
 {
 TC_LOG_DEBUG("network", "WorldSession::HandleSetDungeonDifficultyOpcode: {} sent an non-dungeon instance mode {}!",
 _player->GetGUID().ToString(), difficultyEntry->ID);
 return;
 }
 
 if (!(difficultyEntry->Flags & DIFFICULTY_FLAG_CAN_SELECT))
 {
 TC_LOG_DEBUG("network", "WorldSession::HandleSetDungeonDifficultyOpcode: player {} sent unselectable instance mode {}!",
 _player->GetGUID().ToString(), difficultyEntry->ID);
 return;
 }
 
 Difficulty difficultyID = Difficulty(difficultyEntry->ID);
 if (difficultyID == _player->GetDungeonDifficultyID())
 return;
 
 // cannot reset while in an instance
 Map* map = _player->FindMap();
 if (map && map->Instanceable())
 {
 TC_LOG_DEBUG("network", "WorldSession::HandleSetDungeonDifficultyOpcode: player (Name: {}, {}) tried to reset the instance while player is inside!",
 _player->GetName(), _player->GetGUID().ToString());
 return;
 }
 
 Group* group = _player->GetGroup();
 if (group)
 {
 if (!group->IsLeader(_player->GetGUID()))
 return;
 
 if (group->isLFGGroup())
 return;
 
 // the difficulty is set even if the instances can't be reset
 group->ResetInstances(InstanceResetMethod::OnChangeDifficulty, _player);
 group->SetDungeonDifficultyID(difficultyID);
 }
 else
 {
 _player->ResetInstances(InstanceResetMethod::OnChangeDifficulty);
 _player->SetDungeonDifficultyID(difficultyID);
 _player->SendDungeonDifficulty();
 }
}
 
void WorldSession::HandleSetRaidDifficultyOpcode(WorldPackets::Misc::SetRaidDifficulty& setRaidDifficulty)
{
 DifficultyEntry const* difficultyEntry = sDifficultyStore.LookupEntry(setRaidDifficulty.DifficultyID);
 if (!difficultyEntry)
 {
 TC_LOG_DEBUG("network", "WorldSession::HandleSetDungeonDifficultyOpcode: {} sent an invalid instance mode {}!",
 _player->GetGUID().ToString(), setRaidDifficulty.DifficultyID);
 return;
 }
 
 if (difficultyEntry->InstanceType != MAP_RAID)
 {
 TC_LOG_DEBUG("network", "WorldSession::HandleSetDungeonDifficultyOpcode: {} sent an non-dungeon instance mode {}!",
 _player->GetGUID().ToString(), difficultyEntry->ID);
 return;
 }
 
 if (!(difficultyEntry->Flags & DIFFICULTY_FLAG_CAN_SELECT))
 {
 TC_LOG_DEBUG("network", "WorldSession::HandleSetDungeonDifficultyOpcode: player {} sent unselectable instance mode {}!",
 _player->GetGUID().ToString(), difficultyEntry->ID);
 return;
 }
 
 if (((difficultyEntry->Flags & DIFFICULTY_FLAG_LEGACY) != 0) != setRaidDifficulty.Legacy)
 {
 TC_LOG_DEBUG("network", "WorldSession::HandleSetDungeonDifficultyOpcode: {} sent not matching legacy difficulty {}!",
 _player->GetGUID().ToString(), difficultyEntry->ID);
 return;
 }
 
 Difficulty difficultyID = Difficulty(difficultyEntry->ID);
 if (difficultyID == (setRaidDifficulty.Legacy ? _player->GetLegacyRaidDifficultyID() : _player->GetRaidDifficultyID()))
 return;
 
 // cannot reset while in an instance
 Map* map = _player->FindMap();
 if (map && map->Instanceable())
 {
 TC_LOG_DEBUG("network", "WorldSession::HandleSetRaidDifficultyOpcode: player (Name: {}, {}) tried to reset the instance while player is inside!",
 _player->GetName(), _player->GetGUID().ToString());
 return;
 }
 
 Group* group = _player->GetGroup();
 if (group)
 {
 if (!group->IsLeader(_player->GetGUID()))
 return;
 
 if (group->isLFGGroup())
 return;
 
 // the difficulty is set even if the instances can't be reset
 group->ResetInstances(InstanceResetMethod::OnChangeDifficulty, _player);
 if (setRaidDifficulty.Legacy)
 group->SetLegacyRaidDifficultyID(difficultyID);
 else
 group->SetRaidDifficultyID(difficultyID);
 }
 else
 {
 _player->ResetInstances(InstanceResetMethod::OnChangeDifficulty);
 if (setRaidDifficulty.Legacy)
 _player->SetLegacyRaidDifficultyID(difficultyID);
 else
 _player->SetRaidDifficultyID(difficultyID);
 
 _player->SendRaidDifficulty(setRaidDifficulty.Legacy != 0);
 }
}
 
void WorldSession::HandleSetTaxiBenchmark(WorldPackets::Misc::SetTaxiBenchmarkMode& packet)
{
 if (packet.Enable)
 _player->SetPlayerFlag(PLAYER_FLAGS_TAXI_BENCHMARK);
 else
 _player->RemovePlayerFlag(PLAYER_FLAGS_TAXI_BENCHMARK);
}
 
void WorldSession::HandleGuildSetFocusedAchievement(WorldPackets::Achievement::GuildSetFocusedAchievement& setFocusedAchievement)
{
 if (Guild* guild = sGuildMgr->GetGuildById(_player->GetGuildId()))
 guild->GetAchievementMgr().SendAchievementInfo(_player, setFocusedAchievement.AchievementID);
}
 
void WorldSession::HandleServerTimeOffsetRequest(WorldPackets::Misc::ServerTimeOffsetRequest& /*request*/)
{
 WorldPackets::Misc::ServerTimeOffset response;
 response.Time = GameTime::GetSystemTime();
 SendPacket(response.Write());
}
 
void WorldSession::HandleInstanceLockResponse(WorldPackets::Instance::InstanceLockResponse& packet)
{
 if (!_player->HasPendingBind())
 {
 TC_LOG_INFO("network", "InstanceLockResponse: Player {} {} tried to bind himself/teleport to graveyard without a pending bind!",
 _player->GetName(), _player->GetGUID().ToString());
 return;
 }
 
 if (packet.AcceptLock)
 _player->ConfirmPendingBind();
 else
 _player->RepopAtGraveyard();
 
 _player->SetPendingBind(0, 0);
}
 
void WorldSession::HandleViolenceLevel(WorldPackets::Misc::ViolenceLevel& /*violenceLevel*/)
{
 // do something?
}
 
void WorldSession::HandleObjectUpdateFailedOpcode(WorldPackets::Misc::ObjectUpdateFailed& objectUpdateFailed)
{
 TC_LOG_ERROR("network", "Object update failed for {} for player {} ({})", objectUpdateFailed.ObjectGUID.ToString(), GetPlayerName(), _player->GetGUID().ToString());
 
 // If create object failed for current player then client will be stuck on loading screen
 if (_player->GetGUID() == objectUpdateFailed.ObjectGUID)
 {
 LogoutPlayer(true);
 return;
 }
 
 // Pretend we've never seen this object
 _player->m_clientGUIDs.erase(objectUpdateFailed.ObjectGUID);
}
 
void WorldSession::HandleObjectUpdateRescuedOpcode(WorldPackets::Misc::ObjectUpdateRescued& objectUpdateRescued)
{
 TC_LOG_ERROR("network", "Object update rescued for {} for player {} ({})", objectUpdateRescued.ObjectGUID.ToString(), GetPlayerName(), _player->GetGUID().ToString());
 
 // Client received values update after destroying object
 // re-register object in m_clientGUIDs to send DestroyObject on next visibility update
 _player->m_clientGUIDs.insert(objectUpdateRescued.ObjectGUID);
}
 
void WorldSession::HandleSaveCUFProfiles(WorldPackets::Misc::SaveCUFProfiles& packet)
{
 if (packet.CUFProfiles.size() > MAX_CUF_PROFILES)
 {
 TC_LOG_ERROR("entities.player", "HandleSaveCUFProfiles - {} tried to save more than {} CUF profiles. Hacking attempt?", GetPlayerName(), MAX_CUF_PROFILES);
 return;
 }
 
 for (uint8 i = 0; i < packet.CUFProfiles.size(); ++i)
 GetPlayer()->SaveCUFProfile(i, std::move(packet.CUFProfiles[i]));
 
 for (uint8 i = packet.CUFProfiles.size(); i < MAX_CUF_PROFILES; ++i)
 GetPlayer()->SaveCUFProfile(i, nullptr);
}
 
void WorldSession::SendLoadCUFProfiles()
{
 Player* player = GetPlayer();
 
 WorldPackets::Misc::LoadCUFProfiles loadCUFProfiles;
 
 for (uint8 i = 0; i < MAX_CUF_PROFILES; i++)
 if (CUFProfile* cufProfile = player->GetCUFProfile(i))
 loadCUFProfiles.CUFProfiles.push_back(cufProfile);
 SendPacket(loadCUFProfiles.Write());
}
 
void WorldSession::HandleSetAdvancedCombatLogging(WorldPackets::ClientConfig::SetAdvancedCombatLogging& setAdvancedCombatLogging)
{
 _player->SetAdvancedCombatLogging(setAdvancedCombatLogging.Enable);
}
 
void WorldSession::HandleMountSpecialAnimOpcode(WorldPackets::Misc::MountSpecial& mountSpecial)
{
 WorldPackets::Misc::SpecialMountAnim specialMountAnim;
 specialMountAnim.UnitGUID = _player->GetGUID();
 std::copy(mountSpecial.SpellVisualKitIDs.begin(), mountSpecial.SpellVisualKitIDs.end(), std::back_inserter(specialMountAnim.SpellVisualKitIDs));
 specialMountAnim.SequenceVariation = mountSpecial.SequenceVariation;
 GetPlayer()->SendMessageToSet(specialMountAnim.Write(), false);
}
 
void WorldSession::HandleMountSetFavorite(WorldPackets::Misc::MountSetFavorite& mountSetFavorite)
{
 _collectionMgr->MountSetFavorite(mountSetFavorite.MountSpellID, mountSetFavorite.IsFavorite);
}
 
void WorldSession::HandleCloseInteraction(WorldPackets::Misc::CloseInteraction& closeInteraction)
{
 if (_player->PlayerTalkClass->GetInteractionData().SourceGuid == closeInteraction.SourceGuid)
 _player->PlayerTalkClass->GetInteractionData().Reset();
 
 if (_player->GetStableMaster() == closeInteraction.SourceGuid)
 _player->SetStableMaster(ObjectGuid::Empty);
}
 
void WorldSession::HandleConversationLineStarted(WorldPackets::Misc::ConversationLineStarted& conversationLineStarted)
{
 if (Conversation* convo = ObjectAccessor::GetConversation(*_player, conversationLineStarted.ConversationGUID))
 sScriptMgr->OnConversationLineStarted(convo, conversationLineStarted.LineID, _player);
}
 
void WorldSession::HandleRequestLatestSplashScreen(WorldPackets::Misc::RequestLatestSplashScreen& /*requestLatestSplashScreen*/)
{
 UISplashScreenEntry const* splashScreen = nullptr;
 for (auto itr = sUISplashScreenStore.begin(); itr != sUISplashScreenStore.end(); ++itr)
 {
 if (PlayerConditionEntry const* playerCondition = sPlayerConditionStore.LookupEntry(itr->CharLevelConditionID))
 if (!ConditionMgr::IsPlayerMeetingCondition(_player, playerCondition))
 continue;
 
 splashScreen = *itr;
 }
 
 WorldPackets::Misc::SplashScreenShowLatest splashScreenShowLatest;
 splashScreenShowLatest.UISplashScreenID = splashScreen ? splashScreen->ID : 0;
 SendPacket(splashScreenShowLatest.Write());
}
 
void WorldSession::HandleQueryCountdownTimer(WorldPackets::Misc::QueryCountdownTimer& queryCountdownTimer)
{
 Group const* group = _player->GetGroup();
 if (!group)
 return;
 
 Group::CountdownInfo const* info = group->GetCountdownInfo(queryCountdownTimer.TimerType);
 if (!info)
 return;
 
 WorldPackets::Misc::StartTimer startTimer;
 startTimer.Type = queryCountdownTimer.TimerType;
 startTimer.TimeLeft = info->GetTimeLeft();
 startTimer.TotalTime = info->GetTotalTime();
 
 _player->SendDirectMessage(startTimer.Write());
}