Movement::SplineBase Class Reference

#include <Spline.h>

Inheritance diagram for Movement::SplineBase:

Public Types
enum	EvaluationMode {   ModeLinear , ModeCatmullrom , ModeBezier3_Unused , UninitializedMode ,   ModesEnd }
typedef int	index_type
typedef std::vector< Vector3 >	ControlArray

Public Member Functions
	SplineBase ()
void	evaluate_percent (index_type Idx, float u, Vector3 &c) const
void	evaluate_derivative (index_type Idx, float u, Vector3 &hermite) const
index_type	first () const
index_type	last () const
bool	empty () const
EvaluationMode	mode () const
bool	isCyclic () const
ControlArray const &	getPoints () const
index_type	getPointCount () const
Vector3 const &	getPoint (index_type i) const
void	init_spline (const Vector3 *controls, index_type count, EvaluationMode m, float orientation)
void	init_cyclic_spline (const Vector3 *controls, index_type count, EvaluationMode m, index_type cyclic_point, float orientation)
template<class Init >
void	init_spline_custom (Init &initializer)
void	clear ()
float	SegLength (index_type i) const
std::string	ToString () const

Protected Types
enum	{ STEPS_PER_SEGMENT = 3 }
typedef void(SplineBase::*	EvaluationMethtod) (index_type, float, Vector3 &) const
typedef float(SplineBase::*	SegLenghtMethtod) (index_type) const
typedef void(SplineBase::*	InitMethtod) (Vector3 const *, index_type, index_type)

Protected Member Functions
void	EvaluateLinear (index_type, float, Vector3 &) const
void	EvaluateCatmullRom (index_type, float, Vector3 &) const
void	EvaluateBezier3 (index_type, float, Vector3 &) const
void	EvaluateDerivativeLinear (index_type, float, Vector3 &) const
void	EvaluateDerivativeCatmullRom (index_type, float, Vector3 &) const
void	EvaluateDerivativeBezier3 (index_type, float, Vector3 &) const
float	SegLengthLinear (index_type) const
float	SegLengthCatmullRom (index_type) const
float	SegLengthBezier3 (index_type) const
void	InitLinear (Vector3 const *, index_type, index_type)
void	InitCatmullRom (Vector3 const *, index_type, index_type)
void	InitBezier3 (Vector3 const *, index_type, index_type)
void	UninitializedSplineEvaluationMethod (index_type, float, Vector3 &) const
float	UninitializedSplineSegLenghtMethod (index_type) const
void	UninitializedSplineInitMethod (Vector3 const *, index_type, index_type)

Protected Attributes
ControlArray	points
index_type	index_lo
index_type	index_hi
uint8	m_mode
bool	cyclic
float	initialOrientation

Static Protected Attributes
static EvaluationMethtod	evaluators [ModesEnd]
static EvaluationMethtod	derivative_evaluators [ModesEnd]
static SegLenghtMethtod	seglengths [ModesEnd]
static InitMethtod	initializers [ModesEnd]

Detailed Description

Definition at line 29 of file Spline.h.

Member Typedef Documentation

ControlArray

typedef std::vector<Vector3> Movement::SplineBase::ControlArray

Definition at line 33 of file Spline.h.

EvaluationMethtod

typedef void(SplineBase::* Movement::SplineBase::EvaluationMethtod) (index_type, float, Vector3 &) const

protected

Definition at line 67 of file Spline.h.

index_type

typedef int Movement::SplineBase::index_type

Definition at line 32 of file Spline.h.

InitMethtod

typedef void(SplineBase::* Movement::SplineBase::InitMethtod) (Vector3 const *, index_type, index_type)

protected

Definition at line 84 of file Spline.h.

SegLenghtMethtod

typedef float(SplineBase::* Movement::SplineBase::SegLenghtMethtod) (index_type) const

protected

Definition at line 78 of file Spline.h.

Member Enumeration Documentation

anonymous enum

anonymous enum

protected

Enumerator
STEPS_PER_SEGMENT

Definition at line 54 of file Spline.h.

EvaluationMode

enum Movement::SplineBase::EvaluationMode

Enumerator
ModeLinear
ModeCatmullrom
ModeBezier3_Unused
UninitializedMode
ModesEnd

Definition at line 35 of file Spline.h.

Constructor & Destructor Documentation

SplineBase()

Movement::SplineBase::SplineBase ( )

inlineexplicit

Definition at line 93 of file Spline.h.

Member Function Documentation

clear()

void Movement::SplineBase::clear

(

)

Definition at line 285 of file Spline.cpp.

References index_hi, index_lo, and points.

Referenced by Movement::Spline< length_type >::clear().

empty()

bool Movement::SplineBase::empty ( ) const

inline

Definition at line 111 of file Spline.h.

References index_hi, and index_lo.

Referenced by Movement::MoveSpline::Initialized().

evaluate_derivative()

void Movement::SplineBase::evaluate_derivative ( index_type  Idx, float  u, Vector3 &  hermite  ) const

inline

Caclulates derivation in index Idx, and percent of segment length t

Parameters

Idx	- spline segment index, should be in range [first, last)
t	- percent of spline segment length, assumes that t in range [0, 1]

Definition at line 105 of file Spline.h.

References m_mode.

Referenced by Movement::Spline< length_type >::evaluate_derivative().

evaluate_percent()

void Movement::SplineBase::evaluate_percent ( index_type  Idx, float  u, Vector3 &  c  ) const

inline

Caclulates the position for given segment Idx, and percent of segment length t

Parameters

t	- percent of segment length, assumes that t in range [0, 1]
Idx	- spline segment index, should be in range [first, last)

Definition at line 99 of file Spline.h.

References m_mode.

Referenced by Movement::Spline< length_type >::evaluate_percent().

EvaluateBezier3()

void Movement::SplineBase::EvaluateBezier3 ( index_type  index, float  t, Vector3 &  result  ) const

protected

Definition at line 126 of file Spline.cpp.

References ASSERT, Movement::C_Evaluate(), index_hi, index_lo, points, and Movement::s_Bezier3Coeffs().

EvaluateCatmullRom()

void Movement::SplineBase::EvaluateCatmullRom ( index_type  index, float  t, Vector3 &  result  ) const

protected

Definition at line 120 of file Spline.cpp.

References ASSERT, Movement::C_Evaluate(), index_hi, index_lo, points, and Movement::s_catmullRomCoeffs().

EvaluateDerivativeBezier3()

void Movement::SplineBase::EvaluateDerivativeBezier3 ( index_type  index, float  t, Vector3 &  result  ) const

protected

Definition at line 145 of file Spline.cpp.

References ASSERT, Movement::C_Evaluate_Derivative(), index_hi, index_lo, points, and Movement::s_Bezier3Coeffs().

EvaluateDerivativeCatmullRom()

void Movement::SplineBase::EvaluateDerivativeCatmullRom ( index_type  index, float  t, Vector3 &  result  ) const

protected

Definition at line 139 of file Spline.cpp.

References ASSERT, Movement::C_Evaluate_Derivative(), index_hi, index_lo, points, and Movement::s_catmullRomCoeffs().

EvaluateDerivativeLinear()

void Movement::SplineBase::EvaluateDerivativeLinear ( index_type  index, float  , Vector3 &  result  ) const

protected

Definition at line 133 of file Spline.cpp.

References ASSERT, index_hi, index_lo, and points.

EvaluateLinear()

void Movement::SplineBase::EvaluateLinear ( index_type  index, float  u, Vector3 &  result  ) const

protected

Definition at line 114 of file Spline.cpp.

References ASSERT, index_hi, index_lo, and points.

first()

index_type Movement::SplineBase::first ( ) const

inline

Bounds for spline indexes. All indexes should be in range [first, last).

Definition at line 108 of file Spline.h.

References index_lo.

Referenced by Movement::MoveSpline::_updateState(), Movement::MoveSpline::computeFallElevation(), Movement::MoveSpline::currentPathIdx(), Movement::MoveSpline::init_spline(), and Movement::Spline< length_type >::length().

getPoint()

Vector3 const & Movement::SplineBase::getPoint ( index_type  i ) const

inline

Definition at line 117 of file Spline.h.

References points.

Referenced by Movement::MoveSpline::computeFallElevation(), Movement::MoveSpline::CurrentDestination(), Movement::MoveSpline::FinalDestination(), Movement::MoveSpline::init_spline(), and Movement::FallInitializer::operator()().

getPointCount()

index_type Movement::SplineBase::getPointCount ( ) const

inline

Definition at line 116 of file Spline.h.

References points.

Referenced by Movement::MoveSpline::_updateState(), and WorldPackets::Movement::MonsterMove::InitializeSplineData().

getPoints()

ControlArray const & Movement::SplineBase::getPoints ( ) const

inline

Definition at line 115 of file Spline.h.

References points.

Referenced by Movement::MoveSpline::_updateState(), Movement::MoveSpline::getPath(), and WorldPackets::Movement::MonsterMove::InitializeSplineData().

init_cyclic_spline()

void Movement::SplineBase::init_cyclic_spline	(	const Vector3 *	controls,
		index_type	count,
		EvaluationMode	m,
		index_type	cyclic_point,
		float	orientation
	)

Definition at line 210 of file Spline.cpp.

References cyclic, initializers, initialOrientation, and m_mode.

Referenced by Movement::Spline< length_type >::init_cyclic_spline().

init_spline()

void Movement::SplineBase::init_spline	(	const Vector3 *	controls,
		index_type	count,
		EvaluationMode	m,
		float	orientation
	)

Initializes spline. Don't call other methods while spline not initialized.

Definition at line 201 of file Spline.cpp.

References cyclic, initializers, initialOrientation, and m_mode.

Referenced by Movement::Spline< length_type >::init_spline().

init_spline_custom()

template<class Init >

void Movement::SplineBase::init_spline_custom ( Init &  initializer )

inline

As i can see there are a lot of ways how spline can be initialized would be no harm to have some custom initializers.

Definition at line 125 of file Spline.h.

References cyclic, index_hi, index_lo, m_mode, and points.

Referenced by TransportMgr::GeneratePath().

InitBezier3()

void Movement::SplineBase::InitBezier3 ( Vector3 const *  controls, index_type  count, index_type    )

protected

Definition at line 272 of file Spline.cpp.

References index_hi, index_lo, and points.

InitCatmullRom()

void Movement::SplineBase::InitCatmullRom ( Vector3 const *  controls, index_type  count, index_type  cyclic_point  )

protected

Definition at line 239 of file Spline.cpp.

References cyclic, index_hi, index_lo, initialOrientation, and points.

InitLinear()

void Movement::SplineBase::InitLinear ( Vector3 const *  controls, index_type  count, index_type  cyclic_point  )

protected

Definition at line 219 of file Spline.cpp.

References ASSERT, cyclic, index_hi, index_lo, and points.

isCyclic()

bool Movement::SplineBase::isCyclic ( ) const

inline

Definition at line 113 of file Spline.h.

References cyclic.

Referenced by Movement::MoveSpline::_updateState(), and Movement::MoveSpline::init_spline().

last()

index_type Movement::SplineBase::last ( ) const

inline

Definition at line 109 of file Spline.h.

References index_hi.

Referenced by Movement::MoveSpline::_Finalize(), Movement::MoveSpline::_updateState(), Movement::MoveSpline::currentPathIdx(), Movement::MoveSpline::FinalDestination(), Movement::MoveSpline::init_spline(), and Movement::Spline< length_type >::length().

mode()

EvaluationMode Movement::SplineBase::mode ( ) const

inline

Definition at line 112 of file Spline.h.

References m_mode.

Referenced by ToString().

SegLength()

float Movement::SplineBase::SegLength ( index_type  i ) const

inline

Calculates distance between [i; i+1] points, assumes that index i is in bounds.

Definition at line 133 of file Spline.h.

References m_mode.

Referenced by Movement::CommonInitializer::operator()().

SegLengthBezier3()

float Movement::SplineBase::SegLengthBezier3 ( index_type  index ) const

protected

Definition at line 178 of file Spline.cpp.

References ASSERT, Movement::C_Evaluate(), index_hi, index_lo, points, Movement::s_Bezier3Coeffs(), and STEPS_PER_SEGMENT.

SegLengthCatmullRom()

float Movement::SplineBase::SegLengthCatmullRom ( index_type  index ) const

protected

Definition at line 158 of file Spline.cpp.

References ASSERT, Movement::C_Evaluate(), index_hi, index_lo, points, Movement::s_catmullRomCoeffs(), and STEPS_PER_SEGMENT.

SegLengthLinear()

float Movement::SplineBase::SegLengthLinear ( index_type  index ) const

protected

Definition at line 152 of file Spline.cpp.

References ASSERT, index_hi, index_lo, and points.

ToString()

std::string Movement::SplineBase::ToString

(

)

const

Definition at line 292 of file Spline.cpp.

References mode(), ModesEnd, and points.

Referenced by Movement::MoveSpline::ToString().

UninitializedSplineEvaluationMethod()

void Movement::SplineBase::UninitializedSplineEvaluationMethod ( index_type  , float  , Vector3 &    ) const

inlineprotected

Definition at line 87 of file Spline.h.

References ABORT.

UninitializedSplineInitMethod()

void Movement::SplineBase::UninitializedSplineInitMethod ( Vector3 const *  , index_type  , index_type    )

inlineprotected

Definition at line 89 of file Spline.h.

References ABORT.

UninitializedSplineSegLenghtMethod()

float Movement::SplineBase::UninitializedSplineSegLenghtMethod ( index_type  ) const

inlineprotected

Definition at line 88 of file Spline.h.

References ABORT.

Member Data Documentation

cyclic

bool Movement::SplineBase::cyclic

protected

Definition at line 51 of file Spline.h.

Referenced by init_cyclic_spline(), init_spline(), init_spline_custom(), InitCatmullRom(), InitLinear(), and isCyclic().

derivative_evaluators

SplineBase::EvaluationMethtod Movement::SplineBase::derivative_evaluators

staticprotected

Initial value:

=
{
    &SplineBase::EvaluateDerivativeLinear,
    &SplineBase::EvaluateDerivativeCatmullRom,
    &SplineBase::EvaluateDerivativeBezier3,
    &SplineBase::UninitializedSplineEvaluationMethod,
}

Definition at line 73 of file Spline.h.

evaluators

SplineBase::EvaluationMethtod Movement::SplineBase::evaluators

staticprotected

Initial value:

=
{
    &SplineBase::EvaluateLinear,
    &SplineBase::EvaluateCatmullRom,
    &SplineBase::EvaluateBezier3,
    &SplineBase::UninitializedSplineEvaluationMethod,
}

Definition at line 68 of file Spline.h.

index_hi

index_type Movement::SplineBase::index_hi

protected

Definition at line 48 of file Spline.h.

Referenced by clear(), empty(), EvaluateBezier3(), EvaluateCatmullRom(), EvaluateDerivativeBezier3(), EvaluateDerivativeCatmullRom(), EvaluateDerivativeLinear(), EvaluateLinear(), init_spline_custom(), InitBezier3(), InitCatmullRom(), Movement::Spline< length_type >::initLengths(), InitLinear(), last(), Movement::Spline< length_type >::length(), SegLengthBezier3(), SegLengthCatmullRom(), and SegLengthLinear().

index_lo

index_type Movement::SplineBase::index_lo

protected

Definition at line 47 of file Spline.h.

Referenced by clear(), empty(), EvaluateBezier3(), EvaluateCatmullRom(), EvaluateDerivativeBezier3(), EvaluateDerivativeCatmullRom(), EvaluateDerivativeLinear(), EvaluateLinear(), first(), init_spline_custom(), InitBezier3(), InitCatmullRom(), Movement::Spline< length_type >::initLengths(), InitLinear(), SegLengthBezier3(), SegLengthCatmullRom(), and SegLengthLinear().

initializers

SplineBase::InitMethtod Movement::SplineBase::initializers

staticprotected

Initial value:

=
{
    
    &SplineBase::InitCatmullRom,    
    &SplineBase::InitCatmullRom,
    &SplineBase::InitBezier3,
    &SplineBase::UninitializedSplineInitMethod,
}

Definition at line 85 of file Spline.h.

Referenced by init_cyclic_spline(), and init_spline().

initialOrientation

float Movement::SplineBase::initialOrientation

protected

Definition at line 52 of file Spline.h.

Referenced by init_cyclic_spline(), init_spline(), and InitCatmullRom().

m_mode

uint8 Movement::SplineBase::m_mode

protected

Definition at line 50 of file Spline.h.

Referenced by evaluate_derivative(), evaluate_percent(), init_cyclic_spline(), init_spline(), init_spline_custom(), mode(), and SegLength().

points

ControlArray Movement::SplineBase::points

protected

Definition at line 45 of file Spline.h.

Referenced by clear(), EvaluateBezier3(), EvaluateCatmullRom(), EvaluateDerivativeBezier3(), EvaluateDerivativeCatmullRom(), EvaluateDerivativeLinear(), EvaluateLinear(), getPoint(), getPointCount(), getPoints(), init_spline_custom(), InitBezier3(), InitCatmullRom(), InitLinear(), SegLengthBezier3(), SegLengthCatmullRom(), SegLengthLinear(), and ToString().

seglengths

SplineBase::SegLenghtMethtod Movement::SplineBase::seglengths

staticprotected

Initial value:

=
{
    &SplineBase::SegLengthLinear,
    &SplineBase::SegLengthCatmullRom,
    &SplineBase::SegLengthBezier3,
    &SplineBase::UninitializedSplineSegLenghtMethod,
}

Definition at line 79 of file Spline.h.

---

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

• server/game/Movement/Spline/Spline.h
• server/game/Movement/Spline/Spline.cpp