MotionMaster Class Reference

#include <MotionMaster.h>

Public Member Functions
	MotionMaster (Unit *unit)
	~MotionMaster ()
void	Initialize ()
void	InitDefault ()
bool	empty () const
int	size () const
_Ty	top () const
_Ty	GetMotionSlot (int slot) const
void	DirectDelete (_Ty curr)
void	DelayedDelete (_Ty curr)
void	UpdateMotion (uint32 diff)
void	Clear (bool reset=true)
void	MovementExpired (bool reset=true)
void	MoveIdle ()
void	MoveTargetedHome ()
void	MoveRandom (float spawndist=0.0f)
void	MoveFollow (Unit *target, float dist, float angle, MovementSlot slot=MOTION_SLOT_ACTIVE)
void	MoveChase (Unit *target, float dist=0.0f, float angle=0.0f)
void	MoveConfused ()
void	MoveFleeing (Unit *enemy, uint32 time=0)
void	MovePoint (uint32 id, Position const &pos, bool generatePath=true)
void	MovePoint (uint32 id, float x, float y, float z, bool generatePath=true)
void	MoveLand (uint32 id, Position const &pos)
void	MoveTakeoff (uint32 id, Position const &pos)
void	MoveCharge (float x, float y, float z, float speed=SPEED_CHARGE, uint32 id=EVENT_CHARGE, bool generatePath=false)
void	MoveCharge (PathGenerator const &path, float speed=SPEED_CHARGE)
void	MoveKnockbackFrom (float srcX, float srcY, float speedXY, float speedZ)
void	MoveJumpTo (float angle, float speedXY, float speedZ)
void	MoveJump (Position const &pos, float speedXY, float speedZ, uint32 id=EVENT_JUMP, bool hasOrientation=false, uint32 arrivalSpellId=0, ObjectGuid const &arrivalSpellTargetGuid=ObjectGuid::Empty)
void	MoveJump (float x, float y, float z, float o, float speedXY, float speedZ, uint32 id=EVENT_JUMP, bool hasOrientation=false, uint32 arrivalSpellId=0, ObjectGuid const &arrivalSpellTargetGuid=ObjectGuid::Empty)
void	MoveCirclePath (float x, float y, float z, float radius, bool clockwise, uint8 stepCount)
void	MoveSmoothPath (uint32 pointId, G3D::Vector3 const *pathPoints, size_t pathSize, bool walk)
void	MoveFall (uint32 id=0)
void	MoveSeekAssistance (float x, float y, float z)
void	MoveSeekAssistanceDistract (uint32 timer)
void	MoveTaxiFlight (uint32 path, uint32 pathnode)
void	MoveDistract (uint32 time)
void	MovePath (uint32 path_id, bool repeatable)
void	MoveRotate (uint32 time, RotateDirection direction)
MovementGeneratorType	GetCurrentMovementGeneratorType () const
MovementGeneratorType	GetMotionSlotType (int slot) const
void	propagateSpeedChange ()
bool	GetDestination (float &x, float &y, float &z)

Private Types
typedef MovementGenerator *	_Ty
typedef std::vector< _Ty >	ExpireList

Private Member Functions
void	pop ()
void	push (_Ty _Val)
bool	needInitTop () const
void	InitTop ()
void	Mutate (MovementGenerator *m, MovementSlot slot)
void	DirectClean (bool reset)
void	DelayedClean ()
void	DirectExpire (bool reset)
void	DelayedExpire ()

Private Attributes
ExpireList *	_expList
_Ty	Impl [MAX_MOTION_SLOT]
int	_top
Unit *	_owner
bool	_needInit [MAX_MOTION_SLOT]
uint8	_cleanFlag

Member Typedef Documentation

typedef MovementGenerator* MotionMaster::_Ty

private

typedef std::vector<_Ty> MotionMaster::ExpireList

private

Constructor & Destructor Documentation

MotionMaster::MotionMaster ( Unit *  unit )

inlineexplicit

 : _expList(NULL), _top(-1), _owner(unit), _cleanFlag(MMCF_NONE)
 {
 for (uint8 i = 0; i < MAX_MOTION_SLOT; ++i)
 {
 Impl[i] = NULL;
 _needInit[i] = true;
 }
 }

MotionMaster::~MotionMaster

(

)

{
 // clear ALL movement generators (including default)
 while (!empty())
 {
 MovementGenerator *curr = top();
 pop();
 if (curr && !isStatic(curr))
 delete curr; // Skip finalizing on delete, it might launch new movement
 }
}

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Member Function Documentation

void MotionMaster::Clear ( bool  reset = true )

inline

 {
 if (_cleanFlag & MMCF_UPDATE)
 {
 if (reset)
 _cleanFlag |= MMCF_RESET;
 else
 _cleanFlag &= ~MMCF_RESET;
 DelayedClean();
 }
 else
 DirectClean(reset);
 }

void MotionMaster::DelayedClean ( )

private

{
 while (size() > 1)
 {
 MovementGenerator *curr = top();
 pop();
 if (curr)
 DelayedDelete(curr);
 }
}

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void MotionMaster::DelayedDelete

(

_Ty

curr

)

{
 TC_LOG_FATAL("misc", "Unit (Entry %u) is trying to delete its updating Movement Generator (Type %u)!", _owner->GetEntry(), curr->GetMovementGeneratorType());
 if (isStatic(curr))
 return;
 if (!_expList)
 _expList = new ExpireList();
 _expList->push_back(curr);
}

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void MotionMaster::DelayedExpire ( )

private

{
 if (size() > 1)
 {
 MovementGenerator *curr = top();
 pop();
 DelayedDelete(curr);
 }

 while (!empty() && !top())
 --_top;
}

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void MotionMaster::DirectClean ( bool  reset )

private

{
 while (size() > 1)
 {
 MovementGenerator *curr = top();
 pop();
 if (curr) DirectDelete(curr);
 }

 if (empty())
 return;

 if (needInitTop())
 InitTop();
 else if (reset)
 top()->Reset(_owner);
}

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void MotionMaster::DirectDelete

(

_Ty

curr

)

{
 if (isStatic(curr))
 return;
 curr->Finalize(_owner);
 delete curr;
}

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void MotionMaster::DirectExpire ( bool  reset )

private

{
 if (size() > 1)
 {
 MovementGenerator *curr = top();
 pop();
 DirectDelete(curr);
 }

 while (!empty() && !top())
 --_top;

 if (empty())
 Initialize();
 else if (needInitTop())
 InitTop();
 else if (reset)
 top()->Reset(_owner);
}

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bool MotionMaster::empty ( ) const

inline

{ return (_top < 0); }

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MovementGeneratorType MotionMaster::GetCurrentMovementGeneratorType

(

)

const

{
 if (empty())
 return IDLE_MOTION_TYPE;

 return top()->GetMovementGeneratorType();
}

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bool MotionMaster::GetDestination	(	float &	x,
		float &	y,
		float &	z
	)

{
 if (_owner->movespline->Finalized())
 return false;

 G3D::Vector3 const& dest = _owner->movespline->FinalDestination();
 x = dest.x;
 y = dest.y;
 z = dest.z;
 return true;
}

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_Ty MotionMaster::GetMotionSlot ( int  slot ) const

inline

 {
 ASSERT(slot >= 0);
 return Impl[slot];
 }

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MovementGeneratorType MotionMaster::GetMotionSlotType

(

int

slot

)

const

{
 if (!Impl[slot])
 return NULL_MOTION_TYPE;
 else
 return Impl[slot]->GetMovementGeneratorType();
}

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void MotionMaster::InitDefault

(

)

{
 if (_owner->GetTypeId() == TYPEID_UNIT)
 {
 MovementGenerator* movement = FactorySelector::selectMovementGenerator(_owner->ToCreature());
 Mutate(movement == NULL ? &si_idleMovement : movement, MOTION_SLOT_IDLE);
 }
 else
 {
 Mutate(&si_idleMovement, MOTION_SLOT_IDLE);
 }
}

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void MotionMaster::Initialize

(

void

)

{
 // clear ALL movement generators (including default)
 while (!empty())
 {
 MovementGenerator *curr = top();
 pop();
 if (curr)
 DirectDelete(curr);
 }

 InitDefault();
}

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void MotionMaster::InitTop ( )

private

{
 top()->Initialize(_owner);
 _needInit[_top] = false;
}

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void MotionMaster::MoveCharge	(	float	x,
		float	y,
		float	z,
		float	speed = SPEED_CHARGE,
		uint32	id = EVENT_CHARGE,
		bool	generatePath = false
	)

{
 if (Impl[MOTION_SLOT_CONTROLLED] && Impl[MOTION_SLOT_CONTROLLED]->GetMovementGeneratorType() != DISTRACT_MOTION_TYPE)
 return;

 if (_owner->GetTypeId() == TYPEID_PLAYER)
 {
 TC_LOG_DEBUG("misc", "Player (%s) charge point (X: %f Y: %f Z: %f)", _owner->GetGUID().ToString().c_str(), x, y, z);
 Mutate(new PointMovementGenerator<Player>(id, x, y, z, generatePath, speed), MOTION_SLOT_CONTROLLED);
 }
 else
 {
 TC_LOG_DEBUG("misc", "Creature (Entry: %u %s) charge point (X: %f Y: %f Z: %f)",
 _owner->GetEntry(), _owner->GetGUID().ToString().c_str(), x, y, z);
 Mutate(new PointMovementGenerator<Creature>(id, x, y, z, generatePath, speed), MOTION_SLOT_CONTROLLED);
 }
}

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void MotionMaster::MoveCharge	(	PathGenerator const &	path,
		float	speed = SPEED_CHARGE
	)

{
 G3D::Vector3 dest = path.GetActualEndPosition();

 MoveCharge(dest.x, dest.y, dest.z, speed, EVENT_CHARGE_PREPATH);

 // Charge movement is not started when using EVENT_CHARGE_PREPATH
 Movement::MoveSplineInit init(_owner);
 init.MovebyPath(path.GetPath());
 init.SetVelocity(speed);
 init.Launch();
}

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void MotionMaster::MoveChase	(	Unit *	target,
		float	dist = 0.0f,
		float	angle = 0.0f
	)

{
 // ignore movement request if target not exist
 if (!target || target == _owner || _owner->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_DISABLE_MOVE))
 return;

 //_owner->ClearUnitState(UNIT_STATE_FOLLOW);
 if (_owner->GetTypeId() == TYPEID_PLAYER)
 {
 TC_LOG_DEBUG("misc", "Player (%s) chase (%s)",
 _owner->GetGUID().ToString().c_str(),
 target->GetGUID().ToString().c_str());
 Mutate(new ChaseMovementGenerator<Player>(target, dist, angle), MOTION_SLOT_ACTIVE);
 }
 else
 {
 TC_LOG_DEBUG("misc", "Creature (Entry: %u %s) chase %s",
 _owner->GetEntry(),
 _owner->GetGUID().ToString().c_str(),
 target->GetGUID().ToString().c_str());
 Mutate(new ChaseMovementGenerator<Creature>(target, dist, angle), MOTION_SLOT_ACTIVE);
 }
}

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void MotionMaster::MoveCirclePath	(	float	x,
		float	y,
		float	z,
		float	radius,
		bool	clockwise,
		uint8	stepCount
	)

{
 float step = 2 * float(M_PI) / stepCount * (clockwise ? -1.0f : 1.0f);
 Position const& pos = { x, y, z, 0.0f };
 float angle = pos.GetAngle(_owner->GetPositionX(), _owner->GetPositionY());

 Movement::MoveSplineInit init(_owner);

 for (uint8 i = 0; i < stepCount; angle += step, ++i)
 {
 G3D::Vector3 point;
 point.x = x + radius * cosf(angle);
 point.y = y + radius * sinf(angle);

 if (_owner->IsFlying())
 point.z = z;
 else
 point.z = _owner->GetMap()->GetHeight(_owner->GetPhaseMask(), point.x, point.y, z);

 init.Path().push_back(point);
 }

 if (_owner->IsFlying())
 {
 init.SetFly();
 init.SetCyclic();
 init.SetAnimation(Movement::ToFly);
 }
 else
 {
 init.SetWalk(true);
 init.SetCyclic();
 }

 init.Launch();
}

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void MotionMaster::MoveConfused

(

)

{
 if (_owner->GetTypeId() == TYPEID_PLAYER)
 {
 TC_LOG_DEBUG("misc", "Player (%s) move confused", _owner->GetGUID().ToString().c_str());
 Mutate(new ConfusedMovementGenerator<Player>(), MOTION_SLOT_CONTROLLED);
 }
 else
 {
 TC_LOG_DEBUG("misc", "Creature (Entry: %u %s) move confused",
 _owner->GetEntry(), _owner->GetGUID().ToString().c_str());
 Mutate(new ConfusedMovementGenerator<Creature>(), MOTION_SLOT_CONTROLLED);
 }
}

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void MotionMaster::MoveDistract

(

uint32

time

)

{
 if (Impl[MOTION_SLOT_CONTROLLED])
 return;

 if (_owner->GetTypeId() == TYPEID_PLAYER)
 {
 TC_LOG_DEBUG("misc", "Player (%s) distracted (timer: %u)", _owner->GetGUID().ToString().c_str(), timer);
 }
 else
 {
 TC_LOG_DEBUG("misc", "Creature (Entry: %u %s) (timer: %u)",
 _owner->GetEntry(), _owner->GetGUID().ToString().c_str(), timer);
 }

 DistractMovementGenerator* mgen = new DistractMovementGenerator(timer);
 Mutate(mgen, MOTION_SLOT_CONTROLLED);
}

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void MotionMaster::MoveFall

(

uint32

id = 0

)

{
 // use larger distance for vmap height search than in most other cases
 float tz = _owner->GetMap()->GetHeight(_owner->GetPhaseMask(), _owner->GetPositionX(), _owner->GetPositionY(), _owner->GetPositionZ(), true, MAX_FALL_DISTANCE);
 if (tz <= INVALID_HEIGHT)
 {
 TC_LOG_DEBUG("misc", "MotionMaster::MoveFall: unable retrive a proper height at map %u (x: %f, y: %f, z: %f).",
 _owner->GetMap()->GetId(), _owner->GetPositionX(), _owner->GetPositionY(), _owner->GetPositionZ());
 return;
 }

 // Abort too if the ground is very near
 if (std::fabs(_owner->GetPositionZ() - tz) < 0.1f)
 return;

 if (_owner->GetTypeId() == TYPEID_PLAYER)
 _owner->SetFall(true);

 Movement::MoveSplineInit init(_owner);
 init.MoveTo(_owner->GetPositionX(), _owner->GetPositionY(), tz, false);
 init.SetFall();
 init.Launch();
 Mutate(new EffectMovementGenerator(id), MOTION_SLOT_CONTROLLED);
}

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void MotionMaster::MoveFleeing	(	Unit *	enemy,
		uint32	time = 0
	)

{
    if (!enemy)
        return;

    if (_owner->GetTypeId() == TYPEID_PLAYER)
    {
        TC_LOG_DEBUG("misc", "Player (%s) flee from (%s)", _owner->GetGUID().ToString().c_str(),
            enemy->GetGUID().ToString().c_str());
        Mutate(new FleeingMovementGenerator<Player>(enemy->GetGUID()), MOTION_SLOT_CONTROLLED);
    }
    else
    {
        TC_LOG_DEBUG("misc", "Creature (Entry: %u %s) flee from (%s)%s",
            _owner->GetEntry(), _owner->GetGUID().ToString().c_str(),
            enemy->GetGUID().ToString().c_str(),
            time ? " for a limited time" : "");
        if (time)
            Mutate(new TimedFleeingMovementGenerator(enemy->GetGUID(), time), MOTION_SLOT_CONTROLLED);
        else
            Mutate(new FleeingMovementGenerator<Creature>(enemy->GetGUID()), MOTION_SLOT_CONTROLLED);
    }
}

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void MotionMaster::MoveFollow	(	Unit *	target,
		float	dist,
		float	angle,
		MovementSlot	slot = MOTION_SLOT_ACTIVE
	)

{
    // ignore movement request if target not exist
    if (!target || target == _owner || _owner->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_DISABLE_MOVE))
        return;

    //_owner->AddUnitState(UNIT_STATE_FOLLOW);
    if (_owner->GetTypeId() == TYPEID_PLAYER)
    {
        TC_LOG_DEBUG("misc", "Player (%s) follow (%s)", _owner->GetGUID().ToString().c_str(), target->GetGUID().ToString().c_str());
        Mutate(new FollowMovementGenerator<Player>(target, dist, angle), slot);
    }
    else
    {
        TC_LOG_DEBUG("misc", "Creature (Entry: %u %s) follow (%s)", _owner->GetEntry(), _owner->GetGUID().ToString().c_str(), target->GetGUID().ToString().c_str());
        Mutate(new FollowMovementGenerator<Creature>(target, dist, angle), slot);
    }
}

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void MotionMaster::MoveIdle

(

)

Should be preceded by MovementExpired or Clear if there's an overlying movementgenerator active

{
    if (empty() || !isStatic(top()))
        Mutate(&si_idleMovement, MOTION_SLOT_IDLE);
}

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void MotionMaster::MoveJump ( Position const &  pos, float  speedXY, float  speedZ, uint32  id = EVENT_JUMP, bool  hasOrientation = false, uint32  arrivalSpellId = 0, ObjectGuid const &  arrivalSpellTargetGuid = ObjectGuid::Empty  )

inline

        {
            MoveJump(pos.GetPositionX(), pos.GetPositionY(), pos.GetPositionZ(), pos.GetOrientation(), speedXY, speedZ, id, hasOrientation, arrivalSpellId, arrivalSpellTargetGuid);
        }

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void MotionMaster::MoveJump	(	float	x,
		float	y,
		float	z,
		float	o,
		float	speedXY,
		float	speedZ,
		uint32	id = EVENT_JUMP,
		bool	hasOrientation = false,
		uint32	arrivalSpellId = 0,
		ObjectGuid const &	arrivalSpellTargetGuid = ObjectGuid::Empty
	)

{
    TC_LOG_DEBUG("misc", "Unit (%s) jump to point (X: %f Y: %f Z: %f)", _owner->GetGUID().ToString().c_str(), x, y, z);
    if (speedXY <= 0.1f)
        return;

    float moveTimeHalf = speedZ / Movement::gravity;
    float max_height = -Movement::computeFallElevation(moveTimeHalf, false, -speedZ);

    Movement::MoveSplineInit init(_owner);
    init.MoveTo(x, y, z, false);
    init.SetParabolic(max_height, 0);
    init.SetVelocity(speedXY);
    if (hasOrientation)
        init.SetFacing(o);
    init.Launch();
    Mutate(new EffectMovementGenerator(id, arrivalSpellId, arrivalSpellTargetGuid), MOTION_SLOT_CONTROLLED);
}

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void MotionMaster::MoveJumpTo	(	float	angle,
		float	speedXY,
		float	speedZ
	)

{
    //this function may make players fall below map
    if (_owner->GetTypeId() == TYPEID_PLAYER)
        return;

    float x, y, z;

    float moveTimeHalf = speedZ / Movement::gravity;
    float dist = 2 * moveTimeHalf * speedXY;
    _owner->GetClosePoint(x, y, z, _owner->GetObjectSize(), dist, angle);
    MoveJump(x, y, z, 0.0f, speedXY, speedZ);
}

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void MotionMaster::MoveKnockbackFrom	(	float	srcX,
		float	srcY,
		float	speedXY,
		float	speedZ
	)

{
    //this function may make players fall below map
    if (_owner->GetTypeId() == TYPEID_PLAYER)
        return;

    if (speedXY <= 0.1f)
        return;

    float x, y, z;
    float moveTimeHalf = speedZ / Movement::gravity;
    float dist = 2 * moveTimeHalf * speedXY;
    float max_height = -Movement::computeFallElevation(moveTimeHalf, false, -speedZ);

    _owner->GetNearPoint(_owner, x, y, z, _owner->GetObjectSize(), dist, _owner->GetAngle(srcX, srcY) + float(M_PI));

    Movement::MoveSplineInit init(_owner);
    init.MoveTo(x, y, z);
    init.SetParabolic(max_height, 0);
    init.SetOrientationFixed(true);
    init.SetVelocity(speedXY);
    init.Launch();
    Mutate(new EffectMovementGenerator(0), MOTION_SLOT_CONTROLLED);
}

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void MotionMaster::MoveLand	(	uint32	id,
		Position const &	pos
	)

{
    float x, y, z;
    pos.GetPosition(x, y, z);

    TC_LOG_DEBUG("misc", "Creature (Entry: %u) landing point (ID: %u X: %f Y: %f Z: %f)", _owner->GetEntry(), id, x, y, z);

    Movement::MoveSplineInit init(_owner);
    init.MoveTo(x, y, z);
    init.SetAnimation(Movement::ToGround);
    init.Launch();
    Mutate(new EffectMovementGenerator(id), MOTION_SLOT_ACTIVE);
}

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void MotionMaster::MovementExpired ( bool  reset = true )

inline

        {
            if (_cleanFlag & MMCF_UPDATE)
            {
                if (reset)
                    _cleanFlag |= MMCF_RESET;
                else
                    _cleanFlag &= ~MMCF_RESET;
                DelayedExpire();
            }
            else
                DirectExpire(reset);
        }

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void MotionMaster::MovePath	(	uint32	path_id,
		bool	repeatable
	)

{
    if (!path_id)
        return;
    //We set waypoint movement as new default movement generator
    // clear ALL movement generators (including default)
    /*while (!empty())
    {
        MovementGenerator *curr = top();
        curr->Finalize(*_owner);
        pop();
        if (!isStatic(curr))
            delete curr;
    }*/

    //_owner->GetTypeId() == TYPEID_PLAYER ?
        //Mutate(new WaypointMovementGenerator<Player>(path_id, repeatable)):
    Mutate(new WaypointMovementGenerator<Creature>(path_id, repeatable), MOTION_SLOT_IDLE);

    TC_LOG_DEBUG("misc", "%s start moving over path (Id:%u, repeatable: %s)",
        _owner->GetGUID().ToString().c_str(), path_id, repeatable ? "YES" : "NO");
}

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void MotionMaster::MovePoint ( uint32  id, Position const &  pos, bool  generatePath = true  )

inline

            { MovePoint(id, pos.m_positionX, pos.m_positionY, pos.m_positionZ, generatePath); }

void MotionMaster::MovePoint	(	uint32	id,
		float	x,
		float	y,
		float	z,
		bool	generatePath = true
	)

{
    if (_owner->GetTypeId() == TYPEID_PLAYER)
    {
        TC_LOG_DEBUG("misc", "Player (%s) targeted point (Id: %u X: %f Y: %f Z: %f)", _owner->GetGUID().ToString().c_str(), id, x, y, z);
        Mutate(new PointMovementGenerator<Player>(id, x, y, z, generatePath), MOTION_SLOT_ACTIVE);
    }
    else
    {
        TC_LOG_DEBUG("misc", "Creature (Entry: %u %s) targeted point (ID: %u X: %f Y: %f Z: %f)",
            _owner->GetEntry(), _owner->GetGUID().ToString().c_str(), id, x, y, z);
        Mutate(new PointMovementGenerator<Creature>(id, x, y, z, generatePath), MOTION_SLOT_ACTIVE);
    }
}

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void MotionMaster::MoveRandom

(

float

spawndist = 0.0f

)

{
    if (_owner->GetTypeId() == TYPEID_UNIT)
    {
        TC_LOG_DEBUG("misc", "Creature (%s) start moving random", _owner->GetGUID().ToString().c_str());
        Mutate(new RandomMovementGenerator<Creature>(spawndist), MOTION_SLOT_IDLE);
    }
}

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void MotionMaster::MoveRotate	(	uint32	time,
		RotateDirection	direction
	)

{
    if (!time)
        return;

    Mutate(new RotateMovementGenerator(time, direction), MOTION_SLOT_ACTIVE);
}

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void MotionMaster::MoveSeekAssistance	(	float	x,
		float	y,
		float	z
	)

{
    if (_owner->GetTypeId() == TYPEID_PLAYER)
    {
        TC_LOG_ERROR("misc", "Player (GUID: %s) attempt to seek assistance", _owner->GetGUID().ToString().c_str());
    }
    else
    {
        TC_LOG_DEBUG("misc", "Creature (Entry: %u %s) seek assistance (X: %f Y: %f Z: %f)",
            _owner->GetEntry(), _owner->GetGUID().ToString().c_str(), x, y, z);
        _owner->AttackStop();
        _owner->ToCreature()->SetReactState(REACT_PASSIVE);
        Mutate(new AssistanceMovementGenerator(x, y, z), MOTION_SLOT_ACTIVE);
    }
}

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void MotionMaster::MoveSeekAssistanceDistract

(

uint32

timer

)

{
    if (_owner->GetTypeId() == TYPEID_PLAYER)
    {
        TC_LOG_ERROR("misc", "Player (%s) attempt to call distract after assistance", _owner->GetGUID().ToString().c_str());
    }
    else
    {
        TC_LOG_DEBUG("misc", "Creature (Entry: %u %s) is distracted after assistance call (Time: %u)",
            _owner->GetEntry(), _owner->GetGUID().ToString().c_str(), time);
        Mutate(new AssistanceDistractMovementGenerator(time), MOTION_SLOT_ACTIVE);
    }
}

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void MotionMaster::MoveSmoothPath	(	uint32	pointId,
		G3D::Vector3 const *	pathPoints,
		size_t	pathSize,
		bool	walk
	)

{
    Movement::PointsArray path(pathPoints, pathPoints + pathSize);

    Movement::MoveSplineInit init(_owner);
    init.MovebyPath(path);
    init.SetSmooth();
    init.SetWalk(walk);
    init.Launch();

    // This code is not correct
    // EffectMovementGenerator does not affect UNIT_STATE_ROAMING | UNIT_STATE_ROAMING_MOVE
    // need to call PointMovementGenerator with various pointIds
    Mutate(new EffectMovementGenerator(pointId), MOTION_SLOT_ACTIVE);
    //Position pos(pathPoints[pathSize - 1].x, pathPoints[pathSize - 1].y, pathPoints[pathSize - 1].z);
    //MovePoint(EVENT_CHARGE_PREPATH, pos, false);
}

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void MotionMaster::MoveTakeoff	(	uint32	id,
		Position const &	pos
	)

{
    float x, y, z;
    pos.GetPosition(x, y, z);

    TC_LOG_DEBUG("misc", "Creature (Entry: %u) landing point (ID: %u X: %f Y: %f Z: %f)", _owner->GetEntry(), id, x, y, z);

    Movement::MoveSplineInit init(_owner);
    init.MoveTo(x, y, z);
    init.SetAnimation(Movement::ToFly);
    init.Launch();
    Mutate(new EffectMovementGenerator(id), MOTION_SLOT_ACTIVE);
}

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void MotionMaster::MoveTargetedHome

(

)

{
    Clear(false);

    if (_owner->GetTypeId() == TYPEID_UNIT && !_owner->ToCreature()->GetCharmerOrOwnerGUID())
    {
        TC_LOG_DEBUG("misc", "Creature (Entry: %u %s) targeted home", _owner->GetEntry(), _owner->GetGUID().ToString().c_str());
        Mutate(new HomeMovementGenerator<Creature>(), MOTION_SLOT_ACTIVE);
    }
    else if (_owner->GetTypeId() == TYPEID_UNIT && !_owner->ToCreature()->GetCharmerOrOwnerGUID().IsEmpty())
    {
        TC_LOG_DEBUG("misc", "Pet or controlled creature (Entry: %u %s) targeting home", _owner->GetEntry(), _owner->GetGUID().ToString().c_str());
        Unit* target = _owner->ToCreature()->GetCharmerOrOwner();
        if (target)
        {
            TC_LOG_DEBUG("misc", "Following %s", target->GetGUID().ToString().c_str());
            Mutate(new FollowMovementGenerator<Creature>(target, PET_FOLLOW_DIST, PET_FOLLOW_ANGLE), MOTION_SLOT_ACTIVE);
        }
    }
    else
    {
        TC_LOG_ERROR("misc", "Player (%s) attempt targeted home", _owner->GetGUID().ToString().c_str());
    }
}

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void MotionMaster::MoveTaxiFlight	(	uint32	path,
		uint32	pathnode
	)

{
    if (_owner->GetTypeId() == TYPEID_PLAYER)
    {
        if (path < sTaxiPathNodesByPath.size())
        {
            TC_LOG_DEBUG("misc", "%s taxi to (Path %u node %u)", _owner->GetName().c_str(), path, pathnode);
            FlightPathMovementGenerator* mgen = new FlightPathMovementGenerator();
            mgen->LoadPath(_owner->ToPlayer());
            Mutate(mgen, MOTION_SLOT_CONTROLLED);
        }
        else
        {
            TC_LOG_ERROR("misc", "%s attempt taxi to (not existed Path %u node %u)",
            _owner->GetName().c_str(), path, pathnode);
        }
    }
    else
    {
        TC_LOG_ERROR("misc", "Creature (Entry: %u %s) attempt taxi to (Path %u node %u)",
            _owner->GetEntry(), _owner->GetGUID().ToString().c_str(), path, pathnode);
    }
}

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void MotionMaster::Mutate ( MovementGenerator *  m, MovementSlot  slot  )

private

{
    if (MovementGenerator *curr = Impl[slot])
    {
        Impl[slot] = NULL; // in case a new one is generated in this slot during directdelete
        if (_top == slot && (_cleanFlag & MMCF_UPDATE))
            DelayedDelete(curr);
        else
            DirectDelete(curr);
    }
    else if (_top < slot)
    {
        _top = slot;
    }

    Impl[slot] = m;
    if (_top > slot)
        _needInit[slot] = true;
    else
    {
        _needInit[slot] = false;
        m->Initialize(_owner);
    }
}

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bool MotionMaster::needInitTop ( ) const

inlineprivate

        {
            if (empty())
                return false;
            return _needInit[_top];
        }

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void MotionMaster::pop ( )

inlineprivate

        {
            if (empty())
                return;

            Impl[_top] = NULL;
            while (!empty() && !top())
                --_top;
        }

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void MotionMaster::propagateSpeedChange

(

)

{
    /*Impl::container_type::iterator it = Impl::c.begin();
    for (; it != end(); ++it)
    {
        (*it)->unitSpeedChanged();
    }*/
    for (int i = 0; i <= _top; ++i)
    {
        if (Impl[i])
            Impl[i]->unitSpeedChanged();
    }
}

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void MotionMaster::push ( _Ty  _Val )

inlineprivate

{ ++_top; Impl[_top] = _Val; }

int MotionMaster::size ( ) const

inline

{ return _top + 1; }

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_Ty MotionMaster::top ( ) const

inline

        {
            ASSERT(!empty());
            return Impl[_top];
        }

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void MotionMaster::UpdateMotion

(

uint32

diff

)

{
    if (!_owner)
        return;

    if (_owner->HasUnitState(UNIT_STATE_ROOT | UNIT_STATE_STUNNED)) // what about UNIT_STATE_DISTRACTED? Why is this not included?
        return;

    ASSERT(!empty());

    _cleanFlag |= MMCF_UPDATE;
    if (!top()->Update(_owner, diff))
    {
        _cleanFlag &= ~MMCF_UPDATE;
        MovementExpired();
    }
    else
        _cleanFlag &= ~MMCF_UPDATE;

    if (_expList)
    {
        for (size_t i = 0; i < _expList->size(); ++i)
        {
            MovementGenerator* mg = (*_expList)[i];
            DirectDelete(mg);
        }

        delete _expList;
        _expList = NULL;

        if (empty())
            Initialize();
        else if (needInitTop())
            InitTop();
        else if (_cleanFlag & MMCF_RESET)
            top()->Reset(_owner);

        _cleanFlag &= ~MMCF_RESET;
    }

    // probably not the best place to pu this but im not really sure where else to put it.
    _owner->UpdateUnderwaterState(_owner->GetMap(), _owner->GetPositionX(), _owner->GetPositionY(), _owner->GetPositionZ());
}

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Member Data Documentation

uint8 MotionMaster::_cleanFlag

private

ExpireList* MotionMaster::_expList

private

bool MotionMaster::_needInit[MAX_MOTION_SLOT]

private

Unit* MotionMaster::_owner

private

int MotionMaster::_top

private

_Ty MotionMaster::Impl[MAX_MOTION_SLOT]

private

---

The documentation for this class was generated from the following files:

• src/server/game/Movement/MotionMaster.h
• src/server/game/Movement/MotionMaster.cpp