PointMovementGenerator< T > Class Template Reference

#include "PointMovementGenerator.h"

Inheritance diagram for PointMovementGenerator< T >:

Public Member Functions
	PointMovementGenerator (uint32 _id, float _x, float _y, float _z, ForcedMovement forcedMovement, float _speed=0.0f, float orientation=0.0f, const Movement::PointsArray *_path=nullptr, bool generatePath=false, bool forceDestination=false, ObjectGuid chargeTargetGUID=ObjectGuid::Empty, bool reverseOrientation=false, ObjectGuid facingTargetGuid=ObjectGuid())
void	DoInitialize (T *)
void	DoFinalize (T *)
void	DoReset (T *)
bool	DoUpdate (T *, uint32)
void	MovementInform (T *)
void	unitSpeedChanged ()
MovementGeneratorType	GetMovementGeneratorType ()
bool	GetDestination (float &x, float &y, float &z) const
Public Member Functions inherited from MovementGeneratorMedium< T, PointMovementGenerator< T > >
void	Initialize (Unit *u) override
void	Finalize (Unit *u) override
void	Reset (Unit *u) override
bool	Update (Unit *u, uint32 time_diff) override
Public Member Functions inherited from MovementGenerator
virtual	~MovementGenerator ()
virtual uint32	GetSplineId () const
virtual void	Pause (uint32)
virtual void	Resume (uint32)
virtual bool	GetResetPosition (float &, float &, float &)

Private Attributes
uint32	id
float	i_x
float	i_y
float	i_z
float	speed
float	i_orientation
bool	i_recalculateSpeed
Movement::PointsArray	m_precomputedPath
bool	_generatePath
bool	_forceDestination
bool	_reverseOrientation
ObjectGuid	_chargeTargetGUID
ForcedMovement	_forcedMovement
ObjectGuid	_facingTargetGuid

Detailed Description

template<class T>
class PointMovementGenerator< T >

Constructor & Destructor Documentation

PointMovementGenerator()

template<class T >

PointMovementGenerator< T >::PointMovementGenerator ( uint32  _id, float  _x, float  _y, float  _z, ForcedMovement  forcedMovement, float  _speed = 0.0f, float  orientation = 0.0f, const Movement::PointsArray *  _path = nullptr, bool  generatePath = false, bool  forceDestination = false, ObjectGuid  chargeTargetGUID = ObjectGuid::Empty, bool  reverseOrientation = false, ObjectGuid  facingTargetGuid = ObjectGuid()  )

inline

        : id(_id), i_x(_x), i_y(_y), i_z(_z), speed(_speed), i_orientation(orientation), _generatePath(generatePath), _forceDestination(forceDestination), _reverseOrientation(reverseOrientation),
        _chargeTargetGUID(chargeTargetGUID), _forcedMovement(forcedMovement), _facingTargetGuid(facingTargetGuid)
    {
        if (_path)
            m_precomputedPath = *_path;
    }

References PointMovementGenerator< T >::m_precomputedPath.

Member Function Documentation

DoFinalize()

template<class T >

template void PointMovementGenerator< T >::DoFinalize

(

T *

)

{
    unit->ClearUnitState(UNIT_STATE_ROAMING | UNIT_STATE_ROAMING_MOVE);
    if (id == EVENT_CHARGE || id == EVENT_CHARGE_PREPATH)
    {
        unit->ClearUnitState(UNIT_STATE_CHARGING);
 
        if (_chargeTargetGUID && _chargeTargetGUID == unit->GetTarget())
        {
            if (Unit* target = ObjectAccessor::GetUnit(*unit, _chargeTargetGUID))
            {
                unit->Attack(target, true);
            }
        }
    }
 
    if (unit->movespline->Finalized())
        MovementInform(unit);
}

References EVENT_CHARGE, EVENT_CHARGE_PREPATH, ObjectAccessor::GetUnit(), UNIT_STATE_CHARGING, UNIT_STATE_ROAMING, and UNIT_STATE_ROAMING_MOVE.

DoInitialize()

template<class T >

template void PointMovementGenerator< T >::DoInitialize

(

T *

)

Todo:

: rename this flag to something more appropriate since it is set to true even without speed change now.

{
    if (unit->HasUnitState(UNIT_STATE_NOT_MOVE) || unit->IsMovementPreventedByCasting())
    {
        // the next line is to ensure that a new spline is created in DoUpdate() once the unit is no longer rooted/stunned
        i_recalculateSpeed = true;
        return;
    }
 
    if (!unit->IsStopped())
        unit->StopMoving();
 
    unit->AddUnitState(UNIT_STATE_ROAMING | UNIT_STATE_ROAMING_MOVE);
    if (id == EVENT_CHARGE || id == EVENT_CHARGE_PREPATH)
    {
        unit->AddUnitState(UNIT_STATE_CHARGING);
    }
 
    i_recalculateSpeed = false;
    Movement::MoveSplineInit init(unit);
    if (m_precomputedPath.size() > 2) // pussywizard: for charge
        init.MovebyPath(m_precomputedPath);
    else if (_generatePath)
    {
        PathGenerator path(unit);
        bool result = path.CalculatePath(i_x, i_y, i_z, _forceDestination);
        if (result && !(path.GetPathType() & PATHFIND_NOPATH) && path.GetPath().size() > 2)
        {
            m_precomputedPath = path.GetPath();
            init.MovebyPath(m_precomputedPath);
        }
        else
        {
            // Xinef: fix strange client visual bug, moving on z coordinate only switches orientation by 180 degrees (visual only)
            if (G3D::fuzzyEq(unit->GetPositionX(), i_x) && G3D::fuzzyEq(unit->GetPositionY(), i_y))
            {
                i_x += 0.2f * cos(unit->GetOrientation());
                i_y += 0.2f * std::sin(unit->GetOrientation());
            }
 
            init.MoveTo(i_x, i_y, i_z, true);
        }
    }
    else
    {
        // Xinef: fix strange client visual bug, moving on z coordinate only switches orientation by 180 degrees (visual only)
        if (G3D::fuzzyEq(unit->GetPositionX(), i_x) && G3D::fuzzyEq(unit->GetPositionY(), i_y))
        {
            i_x += 0.2f * cos(unit->GetOrientation());
            i_y += 0.2f * std::sin(unit->GetOrientation());
        }
 
        init.MoveTo(i_x, i_y, i_z, true);
    }
    if (speed > 0.0f)
        init.SetVelocity(speed);
 
    if (_forcedMovement == FORCED_MOVEMENT_WALK)
        init.SetWalk(true);
    else if (_forcedMovement == FORCED_MOVEMENT_RUN)
        init.SetWalk(false);
 
    if (i_orientation > 0.0f)
    {
        init.SetFacing(i_orientation);
    }
 
    init.Launch();
}

References UNIT_STATE_NOT_MOVE.

DoReset()

template<class T >

template void PointMovementGenerator< T >::DoReset

(

T *

)

{
    if (!unit->IsStopped())
        unit->StopMoving();
 
    unit->AddUnitState(UNIT_STATE_ROAMING | UNIT_STATE_ROAMING_MOVE);
    if (id == EVENT_CHARGE || id == EVENT_CHARGE_PREPATH)
    {
        unit->AddUnitState(UNIT_STATE_CHARGING);
    }
}

References EVENT_CHARGE, EVENT_CHARGE_PREPATH, UNIT_STATE_CHARGING, UNIT_STATE_ROAMING, and UNIT_STATE_ROAMING_MOVE.

DoUpdate()

template<class T >

template bool PointMovementGenerator< T >::DoUpdate	(	T *	,
		uint32
	)

{
    if (!unit)
        return false;
 
    if (unit->IsMovementPreventedByCasting())
    {
        unit->StopMoving();
        return true;
    }
 
    if (unit->HasUnitState(UNIT_STATE_NOT_MOVE))
    {
        if (!unit->HasUnitState(UNIT_STATE_CHARGING))
        {
            unit->StopMoving();
        }
 
        return true;
    }
 
    unit->AddUnitState(UNIT_STATE_ROAMING_MOVE);
 
    if (id != EVENT_CHARGE_PREPATH && i_recalculateSpeed && !unit->movespline->Finalized())
    {
        i_recalculateSpeed = false;
        Movement::MoveSplineInit init(unit);
 
        // xinef: speed changed during path execution, calculate remaining path and launch it once more
        if (m_precomputedPath.size())
        {
            uint32 offset = std::min(uint32(unit->movespline->_currentSplineIdx()), uint32(m_precomputedPath.size()));
            Movement::PointsArray::iterator offsetItr = m_precomputedPath.begin();
            std::advance(offsetItr, offset);
            m_precomputedPath.erase(m_precomputedPath.begin(), offsetItr);
 
            // restore 0 element (current position)
            m_precomputedPath.insert(m_precomputedPath.begin(), G3D::Vector3(unit->GetPositionX(), unit->GetPositionY(), unit->GetPositionZ()));
 
            if (m_precomputedPath.size() > 2)
                init.MovebyPath(m_precomputedPath);
            else if (m_precomputedPath.size() == 2)
                init.MoveTo(m_precomputedPath[1].x, m_precomputedPath[1].y, m_precomputedPath[1].z, true);
        }
        else
            init.MoveTo(i_x, i_y, i_z, true);
        if (speed > 0.0f) // Default value for point motion type is 0.0, if 0.0 spline will use GetSpeed on unit
            init.SetVelocity(speed);
 
        if (_forcedMovement == FORCED_MOVEMENT_WALK)
            init.SetWalk(true);
        else if (_forcedMovement == FORCED_MOVEMENT_RUN)
            init.SetWalk(false);
 
        if (i_orientation > 0.0f)
        {
            init.SetFacing(i_orientation);
        }
 
        init.Launch();
    }
 
    return !unit->movespline->Finalized();
}

References EVENT_CHARGE_PREPATH, FORCED_MOVEMENT_RUN, FORCED_MOVEMENT_WALK, Movement::MoveSplineInit::Launch(), Movement::MoveSplineInit::MovebyPath(), Movement::MoveSplineInit::MoveTo(), Movement::MoveSplineInit::SetFacing(), Movement::MoveSplineInit::SetVelocity(), Movement::MoveSplineInit::SetWalk(), UNIT_STATE_CHARGING, UNIT_STATE_NOT_MOVE, and UNIT_STATE_ROAMING_MOVE.

GetDestination()

template<class T >

bool PointMovementGenerator< T >::GetDestination ( float &  x, float &  y, float &  z  ) const

inline

{ x = i_x; y = i_y; z = i_z; return true; }

References PointMovementGenerator< T >::i_x, PointMovementGenerator< T >::i_y, and PointMovementGenerator< T >::i_z.

GetMovementGeneratorType()

template<class T >

MovementGeneratorType PointMovementGenerator< T >::GetMovementGeneratorType ( )

inlinevirtual

Implements MovementGenerator.

{ return POINT_MOTION_TYPE; }

References POINT_MOTION_TYPE.

MovementInform()

template<class T >

void PointMovementGenerator< T >::MovementInform

(

T *

)

{
}

unitSpeedChanged()

template<class T >

void PointMovementGenerator< T >::unitSpeedChanged ( )

inlinevirtual

Reimplemented from MovementGenerator.

{ i_recalculateSpeed = true; }

References PointMovementGenerator< T >::i_recalculateSpeed.

Member Data Documentation

_chargeTargetGUID

template<class T >

ObjectGuid PointMovementGenerator< T >::_chargeTargetGUID

private

_facingTargetGuid

template<class T >

ObjectGuid PointMovementGenerator< T >::_facingTargetGuid

private

_forceDestination

template<class T >

bool PointMovementGenerator< T >::_forceDestination

private

_forcedMovement

template<class T >

ForcedMovement PointMovementGenerator< T >::_forcedMovement

private

_generatePath

template<class T >

bool PointMovementGenerator< T >::_generatePath

private

_reverseOrientation

template<class T >

bool PointMovementGenerator< T >::_reverseOrientation

private

i_orientation

template<class T >

float PointMovementGenerator< T >::i_orientation

private

i_recalculateSpeed

template<class T >

bool PointMovementGenerator< T >::i_recalculateSpeed

private

Referenced by PointMovementGenerator< T >::unitSpeedChanged().

i_x

template<class T >

float PointMovementGenerator< T >::i_x

private

Referenced by PointMovementGenerator< T >::GetDestination().

i_y

template<class T >

float PointMovementGenerator< T >::i_y

private

Referenced by PointMovementGenerator< T >::GetDestination().

i_z

template<class T >

float PointMovementGenerator< T >::i_z

private

Referenced by PointMovementGenerator< T >::GetDestination().

id

template<class T >

uint32 PointMovementGenerator< T >::id

private

m_precomputedPath

template<class T >

Movement::PointsArray PointMovementGenerator< T >::m_precomputedPath

private

Referenced by PointMovementGenerator< T >::PointMovementGenerator().

speed

template<class T >

float PointMovementGenerator< T >::speed

private

---

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

• azerothcore-wotlk/src/server/game/Movement/MovementGenerators/PointMovementGenerator.h
• azerothcore-wotlk/src/server/game/Movement/MovementGenerators/PointMovementGenerator.cpp