自学教程：C++ AddEscortState函数代码示例

void SmartAI::StartPath(bool run, uint32 path, bool repeat, Unit* /*invoker*/){    if (me->isInCombat())// no wp movement in combat    {        sLog->outError("SmartAI::StartPath: Creature entry %u wanted to start waypoint movement while in combat, ignoring.", me->GetEntry());        return;    }    if (HasEscortState(SMART_ESCORT_ESCORTING))        StopPath();    if (path)        if (!LoadPath(path))            return;    if (!mWayPoints || mWayPoints->empty())        return;    AddEscortState(SMART_ESCORT_ESCORTING);    mCanRepeatPath = repeat;    SetRun(run);    WayPoint* wp = GetNextWayPoint();    if (wp)    {        me->GetPosition(&mLastOOCPos);        me->GetMotionMaster()->MovePoint(wp->id, wp->x, wp->y, wp->z);        GetScript()->ProcessEventsFor(SMART_EVENT_WAYPOINT_START, NULL, wp->id, GetScript()->GetPathId());    }}

void npc_escortAI::EnterEvadeMode(){    m_creature->RemoveAllAurasOnEvade();    m_creature->DeleteThreatList();    m_creature->CombatStop(true);    m_creature->SetLootRecipient(NULL);    if (HasEscortState(STATE_ESCORT_ESCORTING))    {        // We have left our path        if (m_creature->GetMotionMaster()->GetCurrentMovementGeneratorType() != POINT_MOTION_TYPE)        {            debug_log("SD2: EscortAI has left combat and is now returning to CombatStartPosition.");            AddEscortState(STATE_ESCORT_RETURNING);            float fPosX, fPosY, fPosZ;            m_creature->GetCombatStartPosition(fPosX, fPosY, fPosZ);            m_creature->GetMotionMaster()->MovePoint(POINT_LAST_POINT, fPosX, fPosY, fPosZ);        }    }    else        m_creature->GetMotionMaster()->MoveTargetedHome();    Reset();}

void SmartAI::EnterEvadeMode(EvadeReason /*why*/){    if (!me->IsAlive() || me->IsInEvadeMode())        return;    me->RemoveAurasOnEvade();    me->AddUnitState(UNIT_STATE_EVADE);    _EnterEvadeMode();    GetScript()->ProcessEventsFor(SMART_EVENT_EVADE);//must be after aura clear so we can cast spells from db    SetRun(mRun);    if (HasEscortState(SMART_ESCORT_ESCORTING))    {        AddEscortState(SMART_ESCORT_RETURNING);        ReturnToLastOOCPos();    }    else if (mFollowGuid)    {        if (Unit* target = ObjectAccessor::GetUnit(*me, mFollowGuid))            me->GetMotionMaster()->MoveFollow(target, mFollowDist, mFollowAngle);        // evade is not cleared in MoveFollow, so we can't keep it        me->ClearUnitState(UNIT_STATE_EVADE);    }    else        me->GetMotionMaster()->MoveTargetedHome();    if (!HasEscortState(SMART_ESCORT_ESCORTING))//dont mess up escort movement after combat        SetRun(mRun);}

void SmartAI::EnterEvadeMode(){    if (!me->isAlive())        return;    me->RemoveAllAuras();    me->DeleteThreatList();    me->CombatStop(true);    me->LoadCreaturesAddon();    me->SetLootRecipient(NULL);    me->ResetPlayerDamageReq();    GetScript()->ProcessEventsFor(SMART_EVENT_EVADE);//must be after aura clear so we can cast spells from db    SetRun(mRun);    if (HasEscortState(SMART_ESCORT_ESCORTING))    {        AddEscortState(SMART_ESCORT_RETURNING);        ReturnToLastOOCPos();    } else if (mFollowGuid) {        if (Unit* target = me->GetUnit(*me, mFollowGuid))            me->GetMotionMaster()->MoveFollow(target, mFollowDist, mFollowAngle);    } else {        me->GetMotionMaster()->MoveTargetedHome();    }    Reset();}

void SmartAI::PausePath(uint32 delay, bool forced){    if (!HasEscortState(SMART_ESCORT_ESCORTING))        return;    if (HasEscortState(SMART_ESCORT_PAUSED))    {        sLog->outError("SmartAI::StartPath: Creature entry %u wanted to pause waypoint movement while already paused, ignoring.", me->GetEntry());        return;    }    AddEscortState(SMART_ESCORT_PAUSED);    mWPPauseTimer = delay;    if (forced && !mWPReached)    {        mForcedPaused = forced;        SetRun(mRun);        if (me->GetMotionMaster()->GetMotionSlotType(MOTION_SLOT_ACTIVE) == ESCORT_MOTION_TYPE)            me->GetMotionMaster()->MovementExpired();        me->StopMoving();        me->GetMotionMaster()->MoveIdle();//force stop    }    GetScript()->ProcessEventsFor(SMART_EVENT_WAYPOINT_PAUSED, NULL, mCurrentWPID, GetScript()->GetPathId());}

//TODO: get rid of this many variables passed in function.void npc_escortAI::Start(bool bRun, uint64 uiPlayerGUID, const Quest* pQuest, bool bInstantRespawn, bool bCanLoopPath){    if (m_creature->getVictim())    {        error_log("SD2: EscortAI attempt to Start while in combat.");        return;    }    if (HasEscortState(STATE_ESCORT_ESCORTING))    {        error_log("SD2: EscortAI attempt to Start while already escorting.");        return;    }    /*if (!WaypointList.empty())        WaypointList.clear();*/    FillPointMovementListForCreature();    if (WaypointList.empty())    {        error_db_log("SD2: EscortAI Start with 0 waypoints (possible missing entry in script_waypoint).");        return;    }    //set variables    m_bIsRunning = bRun;    m_uiPlayerGUID = uiPlayerGUID;    m_pQuestForEscort = pQuest;    m_bCanInstantRespawn = bInstantRespawn;    m_bCanReturnToStart = bCanLoopPath;    if (m_bCanReturnToStart && m_bCanInstantRespawn)        debug_log("SD2: EscortAI is set to return home after waypoint end and instant respawn at waypoint end. Creature will never despawn.");    if (m_creature->GetMotionMaster()->GetCurrentMovementGeneratorType() == WAYPOINT_MOTION_TYPE)    {        m_creature->GetMotionMaster()->MovementExpired();        m_creature->GetMotionMaster()->MoveIdle();        debug_log("SD2: EscortAI start with WAYPOINT_MOTION_TYPE, changed to MoveIdle.");    }    //disable npcflags    m_creature->SetUInt32Value(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_NONE);    debug_log("SD2: EscortAI started with " SIZEFMTD " waypoints. Run = %d, PlayerGUID = " UI64FMTD, WaypointList.size(), m_bIsRunning, m_uiPlayerGUID);    CurrentWP = WaypointList.begin();    //Set initial speed    if (m_bIsRunning)        m_creature->RemoveSplineFlag(SPLINEFLAG_WALKMODE);    AddEscortState(STATE_ESCORT_ESCORTING);    JustStartedEscort();}

void npc_escortAI::SetEscortPaused(bool bPaused) {	if (!HasEscortState(STATE_ESCORT_ESCORTING))		return;	if (bPaused)		AddEscortState(STATE_ESCORT_PAUSED);	else		RemoveEscortState(STATE_ESCORT_PAUSED);}

void SmartAI::EnterEvadeMode(){    // xinef: fixes strange jumps when charming SmartAI npc    if (!me->IsAlive() || me->IsInEvadeMode())        return;        if (IS_PLAYER_GUID(me->GetCharmerGUID()) || me->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PLAYER_CONTROLLED))    {        me->AttackStop();        return;    }    me->RemoveEvadeAuras();    me->AddUnitState(UNIT_STATE_EVADE);    me->DeleteThreatList();    me->CombatStop(true);    me->LoadCreaturesAddon(true);    me->SetLootRecipient(NULL);    me->ResetPlayerDamageReq();    me->SetLastDamagedTime(0);    GetScript()->ProcessEventsFor(SMART_EVENT_EVADE);//must be after aura clear so we can cast spells from db    SetRun(mRun);    if (HasEscortState(SMART_ESCORT_ESCORTING))    {        AddEscortState(SMART_ESCORT_RETURNING);        ReturnToLastOOCPos();    }    else if (mFollowGuid)    {        if (Unit* target = ObjectAccessor::GetUnit(*me, mFollowGuid))            me->GetMotionMaster()->MoveFollow(target, mFollowDist, mFollowAngle);        me->ClearUnitState(UNIT_STATE_EVADE);        // xinef: do not forget to reset scripts as we wont call reached home        GetScript()->OnReset();    }    else    {        me->GetMotionMaster()->MoveTargetedHome();                // xinef: do not forget to reset scripts as we wont call reached home        if (!me->HasUnitState(UNIT_STATE_EVADE))            GetScript()->OnReset();    }}

// TODO: get rid of this many variables passed in function.void npc_escortAI::Start(bool bRun, const Player* pPlayer, const Quest* pQuest, bool bInstantRespawn, bool bCanLoopPath){    if (m_creature->getVictim())    {        script_error_log("EscortAI attempt to Start while in combat.");        return;    }    if (HasEscortState(STATE_ESCORT_ESCORTING))    {        script_error_log("EscortAI attempt to Start while already escorting.");        return;    }    if (!pSystemMgr.GetPathInfo(m_creature->GetEntry(), 1))    {        script_error_log("EscortAI attempt to start escorting for %s, but has no waypoints loaded", m_creature->GetGuidStr().c_str());        return;    }    // set variables    m_bIsRunning = bRun;    m_playerGuid = pPlayer ? pPlayer->GetObjectGuid() : ObjectGuid();    m_pQuestForEscort = pQuest;    m_bCanInstantRespawn = bInstantRespawn;    m_bCanReturnToStart = bCanLoopPath;    if (m_bCanReturnToStart && m_bCanInstantRespawn)        debug_log("SD2: EscortAI is set to return home after waypoint end and instant respawn at waypoint end. Creature will never despawn.");    // disable npcflags    m_creature->SetUInt32Value(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_NONE);    AddEscortState(STATE_ESCORT_ESCORTING);    // Set initial speed    m_creature->SetWalk(!m_bIsRunning);    m_creature->StopMoving();    // Start moving along the path with 2500ms delay    m_creature->GetMotionMaster()->Clear(false, true);    m_creature->GetMotionMaster()->MoveWaypoint(1, 3, 2500);    JustStartedEscort();}

void npc_escortAI::SetEscortPaused(bool bPaused){    if (!HasEscortState(STATE_ESCORT_ESCORTING))        return;    if (bPaused)    {        AddEscortState(STATE_ESCORT_PAUSED);        m_creature->addUnitState(UNIT_STAT_WAYPOINT_PAUSED);    }    else    {        RemoveEscortState(STATE_ESCORT_PAUSED);        m_creature->clearUnitState(UNIT_STAT_WAYPOINT_PAUSED);    }}

void npc_escortAI::AttackStart(Unit* pWho){    if (!pWho)        return;    if (me->Attack(pWho, true))    {        if (me->GetMotionMaster()->GetCurrentMovementGeneratorType() == POINT_MOTION_TYPE && !HasEscortState(STATE_ESCORT_INCOMBAT))            AddEscortState(STATE_ESCORT_INCOMBAT);        if (IsCombatMovement())        {            me->StopMoving();            me->GetMotionMaster()->MoveChase(pWho);        }    }}

void SmartAI::EnterEvadeMode(EvadeReason /*why*/){    if (mEvadeDisabled)    {        GetScript()->ProcessEventsFor(SMART_EVENT_EVADE);        return;    }    if (!IsAIControlled())    {        me->AttackStop();        return;    }    if (!_EnterEvadeMode())        return;    me->AddUnitState(UNIT_STATE_EVADE);    GetScript()->ProcessEventsFor(SMART_EVENT_EVADE); // must be after _EnterEvadeMode (spells, auras, ...)    SetRun(mRun);    if (Unit* owner = me->GetCharmerOrOwner())    {        me->GetMotionMaster()->MoveFollow(owner, PET_FOLLOW_DIST, PET_FOLLOW_ANGLE);        me->ClearUnitState(UNIT_STATE_EVADE);    }    else if (HasEscortState(SMART_ESCORT_ESCORTING))    {        AddEscortState(SMART_ESCORT_RETURNING);        ReturnToLastOOCPos();    }    else if (Unit* target = mFollowGuid ? ObjectAccessor::GetUnit(*me, mFollowGuid) : nullptr)    {        me->GetMotionMaster()->MoveFollow(target, mFollowDist, mFollowAngle);        // evade is not cleared in MoveFollow, so we can't keep it        me->ClearUnitState(UNIT_STATE_EVADE);    }    else        me->GetMotionMaster()->MoveTargetedHome();    if (!me->HasUnitState(UNIT_STATE_EVADE))        GetScript()->OnReset();}

void npc_escortAI::EnterEvadeMode(){    m_creature->RemoveAllAuras();    m_creature->DeleteThreatList();    m_creature->CombatStop(true);    m_creature->SetLootRecipient(NULL);    if (HasEscortState(STATE_ESCORT_ESCORTING))    {        AddEscortState(STATE_ESCORT_RETURNING);        ReturnToLastPoint();        debug_log("TSCR: EscortAI has left combat and is now returning to last point");    }    else    {        m_creature->GetMotionMaster()->MoveTargetedHome();        Reset();    }}

void SmoothEscortAI::AttackStart(Unit* who){    if (!who)        return;    if (me->Attack(who, true))    {        if (!HasEscortState(ESCORT_STATE_COMBAT))        {            AddEscortState(ESCORT_STATE_COMBAT);            me->StopMoving();            Position pos;            me->GetPosition(&pos);            me->SetHomePosition(pos);        }        if (IsCombatMovementAllowed())            me->GetMotionMaster()->MoveChase(who);    }}

void SmartAI::PausePath(uint32 delay, bool forced){    if (!HasEscortState(SMART_ESCORT_ESCORTING))        return;    if (HasEscortState(SMART_ESCORT_PAUSED))    {        sLog->outError("SmartAI::StartPath: Creature entry %u wanted to pause waypoint movement while already paused, ignoring.", me->GetEntry());        return;    }    mForcedPaused = forced;    me->GetPosition(&mLastOOCPos);    AddEscortState(SMART_ESCORT_PAUSED);    mWPPauseTimer = delay;    if (forced)    {        SetRun(mRun);        me->StopMoving();//force stop        me->GetMotionMaster()->MoveIdle();//force stop    }    GetScript()->ProcessEventsFor(SMART_EVENT_WAYPOINT_PAUSED, NULL, mLastWP->id, GetScript()->GetPathId());}

void npc_escortAI::EnterEvadeMode(EvadeReason /*why*/){    me->RemoveAllAuras();    me->DeleteThreatList();    me->CombatStop(true);    me->SetLootRecipient(NULL);    if (HasEscortState(STATE_ESCORT_ESCORTING))    {        AddEscortState(STATE_ESCORT_RETURNING);        ReturnToLastPoint();        TC_LOG_DEBUG("scripts", "EscortAI has left combat and is now returning to last point");    }    else    {        me->GetMotionMaster()->MoveTargetedHome();        if (HasImmuneToNPCFlags)            me->SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_IMMUNE_TO_NPC);        Reset();    }}

void SmartAI::PausePath(uint32 delay, bool forced){    if (!HasEscortState(SMART_ESCORT_ESCORTING))        return;    if (HasEscortState(SMART_ESCORT_PAUSED))    {        TC_LOG_ERROR("misc", "SmartAI::PausePath: Creature entry %u wanted to pause waypoint (current waypoint: %u) movement while already paused, ignoring.", me->GetEntry(), mCurrentWPID);        return;    }    AddEscortState(SMART_ESCORT_PAUSED);    mWPPauseTimer = delay;    if (forced && !mWPReached)    {        mForcedPaused = forced;        SetRun(mRun);        me->StopMoving();    }    GetScript()->ProcessEventsFor(SMART_EVENT_WAYPOINT_PAUSED, nullptr, mCurrentWPID, GetScript()->GetPathId());}

    void EnterEvadeMode()    {        if (!HasEscortState(STATE_ESCORT_ESCORTING))        {            me->RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_IMMUNE_TO_NPC);            me->SetHomePosition(1845.577759f+rand_norm()*5-2.5f, 800.681152f+rand_norm()*5-2.5f, 44.104248f, M_PI);        }        me->DeleteThreatList();        me->CombatStop(true);        if (HasEscortState(STATE_ESCORT_ESCORTING))        {            AddEscortState(STATE_ESCORT_RETURNING);            ReturnToLastPoint();        }        else        {            me->GetMotionMaster()->MoveTargetedHome();            Reset();        }        me->ClearUnitState(UNIT_STATE_EVADE);    }

void SmartAI::StartPath(bool run, uint32 path, bool repeat, Unit* invoker){    if (me->IsInCombat())// no wp movement in combat    {        sLog->outError("SmartAI::StartPath: Creature entry %u wanted to start waypoint movement while in combat, ignoring.", me->GetEntry());        return;    }    if (HasEscortState(SMART_ESCORT_ESCORTING))        StopPath();    if (path)    {        if (!LoadPath(path))            return;    }    if (!mWayPoints || mWayPoints->empty())        return;    if (WayPoint* wp = GetNextWayPoint())    {        AddEscortState(SMART_ESCORT_ESCORTING);        mCanRepeatPath = repeat;        SetRun(run);        if (invoker && invoker->GetTypeId() == TYPEID_PLAYER)        {            mEscortNPCFlags = me->GetUInt32Value(UNIT_NPC_FLAGS);            me->SetUInt32Value(UNIT_NPC_FLAGS, 0);        }        Movement::PointsArray pathPoints;        GenerateWayPointArray(&pathPoints);        me->GetMotionMaster()->MoveSplinePath(&pathPoints);        GetScript()->ProcessEventsFor(SMART_EVENT_WAYPOINT_START, NULL, wp->id, GetScript()->GetPathId());    }}

void SmartAI::EnterEvadeMode(){    if (!me->isAlive() || me->IsInEvadeMode())        return;    RemoveAuras();    me->AddUnitState(UNIT_STATE_EVADE);    me->DeleteThreatList();    me->CombatStop(true);    me->LoadCreaturesAddon();    me->SetLootRecipient(NULL);    me->ResetPlayerDamageReq();    GetScript()->ProcessEventsFor(SMART_EVENT_EVADE);//must be after aura clear so we can cast spells from db    SetRun(mRun);    if (HasEscortState(SMART_ESCORT_ESCORTING))    {        AddEscortState(SMART_ESCORT_RETURNING);        ReturnToLastOOCPos();    }    else if (mFollowGuid)    {        if (Unit* target = me->GetUnit(*me, mFollowGuid))            me->GetMotionMaster()->MoveFollow(target, mFollowDist, mFollowAngle);    }    else    {        mCanCombatMove = true;        me->GetMotionMaster()->MoveTargetedHome();    }    //sLog->OutSpecialLog("SmartAI::EnterEvadeMode Entry %u" , me->GetEntry());    if (!HasEscortState(SMART_ESCORT_ESCORTING)) // Don't mess up escort movement after combat.        SetRun(mRun);}

//TODO: get rid of this many variables passed in function.void npc_escortAI::Start(bool bIsActiveAttacker, bool bRun, uint64 uiPlayerGUID, const Quest* pQuest, bool bInstantRespawn, bool bCanLoopPath){    if (m_creature->getVictim())    {        error_log("TSCR ERROR: EscortAI attempt to Start while in combat.");        return;    }    if (HasEscortState(STATE_ESCORT_ESCORTING))    {        error_log("TSCR: EscortAI attempt to Start while already escorting.");        return;    }    if(!ScriptWP) // sd2 never adds wp in script, but tc does    {    if (!WaypointList.empty())        WaypointList.clear();    FillPointMovementListForCreature();    }    if (WaypointList.empty())    {        error_db_log("TSCR: EscortAI Start with 0 waypoints (possible missing entry in script_waypoint. Quest: %u).", pQuest ? pQuest->GetQuestId() : 0);        return;    }    //set variables    m_bIsActiveAttacker = bIsActiveAttacker;    m_bIsRunning = bRun;    m_uiPlayerGUID = uiPlayerGUID;    m_pQuestForEscort = pQuest;    m_bCanInstantRespawn = bInstantRespawn;    m_bCanReturnToStart = bCanLoopPath;    if (m_bCanReturnToStart && m_bCanInstantRespawn)        debug_log("TSCR: EscortAI is set to return home after waypoint end and instant respawn at waypoint end. Creature will never despawn.");    if (m_creature->GetMotionMaster()->GetCurrentMovementGeneratorType() == WAYPOINT_MOTION_TYPE)    {        m_creature->GetMotionMaster()->MovementExpired();        m_creature->GetMotionMaster()->MoveIdle();        debug_log("TSCR: EscortAI start with WAYPOINT_MOTION_TYPE, changed to MoveIdle.");    }    //disable npcflags    m_creature->SetUInt32Value(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_NONE);    debug_log("TSCR: EscortAI started with %u waypoints. ActiveAttacker = %d, Run = %d, PlayerGUID = %u", WaypointList.size(), m_bIsActiveAttacker, m_bIsRunning, m_uiPlayerGUID);    CurrentWP = WaypointList.begin();    //Set initial speed    if (m_bIsRunning)        m_creature->RemoveUnitMovementFlag(MOVEMENTFLAG_WALK_MODE);    else        m_creature->AddUnitMovementFlag(MOVEMENTFLAG_WALK_MODE);    AddEscortState(STATE_ESCORT_ESCORTING);}

//TODO: get rid of this many variables passed in function.void npc_escortAI::Start(bool isActiveAttacker /* = true*/, bool run /* = false */, uint64 playerGUID /* = 0 */, Quest const* quest /* = NULL */, bool instantRespawn /* = false */, bool canLoopPath /* = false */, bool resetWaypoints /* = true */){    if(me->getVictim())    {        sLog->outError("TSCR ERROR: EscortAI (script: %s, creature entry: %u) attempts to Start while in combat", me->GetScriptName().c_str(), me->GetEntry());        return;    }    if(HasEscortState(STATE_ESCORT_ESCORTING))    {        sLog->outError("TSCR: EscortAI (script: %s, creature entry: %u) attempts to Start while already escorting", me->GetScriptName().c_str(), me->GetEntry());        return;    }    if(!ScriptWP && resetWaypoints) // sd2 never adds wp in script, but tc does    {        if(!WaypointList.empty())            WaypointList.clear();        FillPointMovementListForCreature();    }    if(WaypointList.empty())    {        sLog->outErrorDb("TSCR: EscortAI (script: %s, creature entry: %u) starts with 0 waypoints (possible missing entry in script_waypoint. Quest: %u).",            me->GetScriptName().c_str(), me->GetEntry(), quest ? quest->GetQuestId() : 0);        CurrentWP = WaypointList.end();        return;    }    //set variables    m_bIsActiveAttacker = isActiveAttacker;    m_bIsRunning = run;    m_uiPlayerGUID = playerGUID;    m_pQuestForEscort = quest;    m_bCanInstantRespawn = instantRespawn;    m_bCanReturnToStart = canLoopPath;    if(m_bCanReturnToStart && m_bCanInstantRespawn)        sLog->outDebug(LOG_FILTER_TSCR, "TSCR: EscortAI is set to return home after waypoint end and instant respawn at waypoint end. Creature will never despawn.");    if(me->GetMotionMaster()->GetCurrentMovementGeneratorType() == WAYPOINT_MOTION_TYPE)    {        me->GetMotionMaster()->MovementExpired();        me->GetMotionMaster()->MoveIdle();        sLog->outDebug(LOG_FILTER_TSCR, "TSCR: EscortAI start with WAYPOINT_MOTION_TYPE, changed to MoveIdle.");    }    //disable npcflags    me->SetUInt32Value(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_NONE);    sLog->outDebug(LOG_FILTER_TSCR, "TSCR: EscortAI started with " UI64FMTD " waypoints. ActiveAttacker = %d, Run = %d, PlayerGUID = " UI64FMTD "", uint64(WaypointList.size()), m_bIsActiveAttacker, m_bIsRunning, m_uiPlayerGUID);    CurrentWP = WaypointList.begin();    //Set initial speed    if(m_bIsRunning)        me->RemoveUnitMovementFlag(MOVEMENTFLAG_WALKING);    else        me->AddUnitMovementFlag(MOVEMENTFLAG_WALKING);    AddEscortState(STATE_ESCORT_ESCORTING);}

/// @todo get rid of this many variables passed in function.void npc_escortAI::Start(bool isActiveAttacker /* = true*/, bool run /* = false */, ObjectGuid playerGUID /* = 0 */, Quest const* quest /* = NULL */, bool instantRespawn /* = false */, bool canLoopPath /* = false */, bool resetWaypoints /* = true */){    if (me->GetVictim())    {        TC_LOG_ERROR("scripts.escortai", "TSCR ERROR: EscortAI (script: %s, creature entry: %u) attempts to Start while in combat", me->GetScriptName().c_str(), me->GetEntry());        return;    }    if (HasEscortState(STATE_ESCORT_ESCORTING))    {        TC_LOG_ERROR("scripts.escortai", "EscortAI (script: %s, creature entry: %u) attempts to Start while already escorting", me->GetScriptName().c_str(), me->GetEntry());        return;    }    if (!ScriptWP && resetWaypoints) // sd2 never adds wp in script, but tc does    {        if (!WaypointList.empty())            WaypointList.clear();        FillPointMovementListForCreature();    }    if (WaypointList.empty())    {        TC_LOG_ERROR("scripts", "EscortAI (script: %s, creature entry: %u) starts with 0 waypoints (possible missing entry in script_waypoint. Quest: %u).",            me->GetScriptName().c_str(), me->GetEntry(), quest ? quest->GetQuestId() : 0);        return;    }    //set variables    m_bIsActiveAttacker = isActiveAttacker;    m_bIsRunning = run;    m_uiPlayerGUID = playerGUID;    m_pQuestForEscort = quest;    m_bCanInstantRespawn = instantRespawn;    m_bCanReturnToStart = canLoopPath;    if (m_bCanReturnToStart && m_bCanInstantRespawn)        TC_LOG_DEBUG("scripts", "EscortAI is set to return home after waypoint end and instant respawn at waypoint end. Creature will never despawn.");    if (me->GetMotionMaster()->GetCurrentMovementGeneratorType() == WAYPOINT_MOTION_TYPE)    {        me->GetMotionMaster()->MovementExpired();        me->GetMotionMaster()->MoveIdle();        TC_LOG_DEBUG("scripts", "EscortAI start with WAYPOINT_MOTION_TYPE, changed to MoveIdle.");    }    //disable npcflags    me->SetUInt64Value(UNIT_NPC_FLAGS, UNIT_NPC_FLAG_NONE);    if (me->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_IMMUNE_TO_NPC))    {        HasImmuneToNPCFlags = true;        me->RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_IMMUNE_TO_NPC);    }    TC_LOG_DEBUG("scripts", "EscortAI started with " UI64FMTD " waypoints. ActiveAttacker = %d, Run = %d, %s", uint64(WaypointList.size()), m_bIsActiveAttacker, m_bIsRunning, m_uiPlayerGUID.ToString().c_str());    CurrentWP = WaypointList.begin();    //Set initial speed    if (m_bIsRunning)        me->SetWalk(false);    else        me->SetWalk(true);    AddEscortState(STATE_ESCORT_ESCORTING);}

void SmoothEscortAI::UpdateAI(uint32 diff){    if (HasEscortState(ESCORT_STATE_COMBAT) && !me->IsInCombat())        EnterEvadeMode();    if (HasEscortState(ESCORT_STATE_PAUSED) || HasEscortState(ESCORT_STATE_NONE) || HasEscortState(ESCORT_STATE_COMBAT))        return;    if (me->HasUnitState(UNIT_STATE_ROOT) || me->HasUnitState(UNIT_STATE_STUNNED) || me->HasUnitState(UNIT_STATE_DISTRACTED))        return;    nextMoveTime.Update(diff);    if (nextMoveTime.GetExpiry() <= timeDiff)    {        if (waypointList.empty())        {            RemoveEscortState(ESCORT_STATE_ESCORTING);            AddEscortState(ESCORT_STATE_NONE);            return;        }        if (HasEscortState(ESCORT_STATE_WAITING))        {            RemoveEscortState(ESCORT_STATE_WAITING);            StartMove();            return;        }        WaypointReached(currentWP->id);        if (currentWP->waitTimeMs)        {            nextMoveTime.Reset(currentWP->waitTimeMs);            AddEscortState(ESCORT_STATE_WAITING);            return;        }        if (currentWPId == waypointList.size() - 1)        {            if (!repeat)            {                me->SetHomePosition(currentWP->x, currentWP->y, currentWP->z, me->GetOrientation());                me->ClearUnitState(UNIT_STATE_ROAMING_MOVE);                me->GetMotionMaster()->Initialize();                waypointList.clear();                FinishEscort();                RemoveEscortState(ESCORT_STATE_ESCORTING);                AddEscortState(ESCORT_STATE_NONE);                if (despawnAtEnd)                    me->DespawnOrUnsummon();                return;            }            currentWP = waypointList.begin();            currentWPId = 0;        }        else        {            ++currentWP;            ++currentWPId;        }        StartMove();    }}