#include <Opcode.h>

Public Member Functions
inline_	Matrix4x4 ()
	Empty constructor. More...

inline_	Matrix4x4 (float m00, float m01, float m02, float m03, float m10, float m11, float m12, float m13, float m20, float m21, float m22, float m23, float m30, float m31, float m32, float m33)
	Constructor from 16 values. More...

inline_	Matrix4x4 (const Matrix4x4 &mat)
	Copy constructor. More...

inline_	~Matrix4x4 ()
	Destructor. More...

inline_ Matrix4x4 &	Set (float m00, float m01, float m02, float m10, float m11, float m12, float m20, float m21, float m22)
	Assign values (rotation only) More...

inline_ Matrix4x4 &	Set (float m00, float m01, float m02, float m03, float m10, float m11, float m12, float m13, float m20, float m21, float m22, float m23, float m30, float m31, float m32, float m33)
	Assign values. More...

inline_ void	Copy (const Matrix4x4 &source)
	Copy from a Matrix4x4. More...

inline_ void	GetRow (const udword r, HPoint &p) const
	Returns a row. More...

inline_ void	GetRow (const udword r, Point &p) const
	Returns a row. More...

inline_ const HPoint &	GetRow (const udword r) const
	Returns a row. More...

inline_ HPoint &	GetRow (const udword r)
	Returns a row. More...

inline_ void	SetRow (const udword r, const HPoint &p)
	Sets a row. More...

inline_ void	SetRow (const udword r, const Point &p)
	Sets a row. More...

inline_ void	GetCol (const udword c, HPoint &p) const
	Returns a column. More...

inline_ void	GetCol (const udword c, Point &p) const
	Returns a column. More...

inline_ void	SetCol (const udword c, const HPoint &p)
	Sets a column. More...

inline_ void	SetCol (const udword c, const Point &p)
	Sets a column. More...

inline_ const HPoint &	GetTrans () const
	Returns the translation part of the matrix. More...

inline_ void	GetTrans (Point &p) const
	Gets the translation part of the matrix. More...

inline_ void	SetTrans (const Point &p)
	Sets the translation part of the matrix, from a Point. More...

inline_ void	SetTrans (const HPoint &p)
	Sets the translation part of the matrix, from a HPoint. More...

inline_ void	SetTrans (float tx, float ty, float tz)
	Sets the translation part of the matrix, from floats. More...

inline_ void	SetScale (const Point &p)
	Sets the scale from a Point. The point is put on the diagonal. More...

inline_ void	SetScale (float sx, float sy, float sz)
	Sets the scale from floats. Values are put on the diagonal. More...

void	Scale (const Point &p)
	Scales from a Point. Each row is multiplied by a component. More...

void	Scale (float sx, float sy, float sz)
	Scales from floats. Each row is multiplied by a value. More...

inline_ float	Trace () const
	Computes the trace. The trace is the sum of the 4 diagonal components. More...

inline_ float	Trace3x3 () const
	Computes the trace of the upper 3x3 matrix. More...

inline_ void	Zero ()
	Clears the matrix. More...

inline_ void	Identity ()
	Sets the identity matrix. More...

inline_ bool	IsIdentity () const
	Checks for identity. More...

inline_ BOOL	IsValid () const
	Checks matrix validity. More...

void	RotX (float angle)
	Sets a rotation matrix around the X axis. More...

void	RotY (float angle)
	Sets a rotation matrix around the Y axis. More...

void	RotZ (float angle)
	Sets a rotation matrix around the Z axis. More...

Matrix4x4 &	Rot (float angle, Point &p1, Point &p2)
	Makes a rotation matrix about an arbitrary axis. More...

void	Transpose ()
	Transposes the matrix. More...

float	CoFactor (udword row, udword col) const
	Computes a cofactor. Used for matrix inversion. More...

float	Determinant () const
	Computes the determinant of the matrix. More...

Matrix4x4 &	Invert ()
	Inverts the matrix. Determinant must be different from zero, else matrix can't be inverted. More...

inline_	operator Matrix3x3 () const
	Casts a Matrix4x4 to a Matrix3x3. More...

	operator Quat () const
	Casts a Matrix4x4 to a Quat. More...

	operator PR () const
	Casts a Matrix4x4 to a PR. More...

inline_ Matrix4x4	operator+ (const Matrix4x4 &mat) const
	Operator for Matrix4x4 Plus = Matrix4x4 + Matrix4x4;. More...

inline_ Matrix4x4	operator- (const Matrix4x4 &mat) const
	Operator for Matrix4x4 Minus = Matrix4x4 - Matrix4x4;. More...

inline_ Matrix4x4	operator* (const Matrix4x4 &mat) const
	Operator for Matrix4x4 Mul = Matrix4x4 * Matrix4x4;. More...

inline_ HPoint	operator* (const HPoint &v) const
	Operator for HPoint Mul = Matrix4x4 * HPoint;. More...

inline_ Point	operator* (const Point &v) const
	Operator for Point Mul = Matrix4x4 * Point;. More...

inline_ Matrix4x4	operator* (float s) const
	Operator for Matrix4x4 Scale = Matrix4x4 * float;. More...

inline_ Matrix4x4	operator/ (float s) const
	Operator for Matrix4x4 Div = Matrix4x4 / float;. More...

inline_ Matrix4x4 &	operator+= (const Matrix4x4 &mat)
	Operator for Matrix4x4 += Matrix4x4;. More...

inline_ Matrix4x4 &	operator-= (const Matrix4x4 &mat)
	Operator for Matrix4x4 -= Matrix4x4;. More...

Matrix4x4 &	operator*= (const Matrix4x4 &mat)
	Operator for Matrix4x4 *= Matrix4x4;. More...

inline_ Matrix4x4 &	operator*= (float s)
	Operator for Matrix4x4 *= float;. More...

inline_ Matrix4x4 &	operator/= (float s)
	Operator for Matrix4x4 /= float;. More...

inline_ const HPoint &	operator[] (int row) const

inline_ HPoint &	operator[] (int row)

Public Attributes
float	m [4][4]

Friends
inline_ friend Matrix4x4	operator* (float s, const Matrix4x4 &mat)
	Operator for Matrix4x4 Scale = float * Matrix4x4;. More...

inline_ friend Matrix4x4	operator/ (float s, const Matrix4x4 &mat)
	Operator for Matrix4x4 Div = float / Matrix4x4;. More...

Detailed Description

Definition at line 22 of file Opcode.h.

Constructor & Destructor Documentation

inline_ Opcode::Matrix4x4::Matrix4x4 ( )

inline

Empty constructor.

Definition at line 29 of file Opcode.h.

39 {

inline_ Opcode::Matrix4x4::Matrix4x4	(	float	m00,
		float	m01,
		float	m02,
		float	m03,
		float	m10,
		float	m11,
		float	m12,
		float	m13,
		float	m20,
		float	m21,
		float	m22,
		float	m23,
		float	m30,
		float	m31,
		float	m32,
		float	m33
	)

inline

Constructor from 16 values.

Definition at line 31 of file Opcode.h.

39 {

40

inline_ Opcode::Matrix4x4::Matrix4x4 ( const Matrix4x4 & mat)

inline

Copy constructor.

Definition at line 42 of file Opcode.h.

inline_ Opcode::Matrix4x4::~Matrix4x4 ( )

inline

Destructor.

Definition at line 44 of file Opcode.h.

Member Function Documentation

float Matrix4x4::CoFactor	(	udword	row,
		udword	col
	)		const

Computes a cofactor. Used for matrix inversion.

Definition at line 82 of file IceMatrix4x4.cpp.

References f, and m.

Referenced by Determinant(), and Invert().

 {
     return   (( m[(row+1)&3][(col+1)&3]*m[(row+2)&3][(col+2)&3]*m[(row+3)&3][(col+3)&3] +
                 m[(row+1)&3][(col+2)&3]*m[(row+2)&3][(col+3)&3]*m[(row+3)&3][(col+1)&3] +
                 m[(row+1)&3][(col+3)&3]*m[(row+2)&3][(col+1)&3]*m[(row+3)&3][(col+2)&3])
             -  (m[(row+3)&3][(col+1)&3]*m[(row+2)&3][(col+2)&3]*m[(row+1)&3][(col+3)&3] +
                 m[(row+3)&3][(col+2)&3]*m[(row+2)&3][(col+3)&3]*m[(row+1)&3][(col+1)&3] +
                 m[(row+3)&3][(col+3)&3]*m[(row+2)&3][(col+1)&3]*m[(row+1)&3][(col+2)&3])) * ((row + col) & 1 ? -1.0f : +1.0f);
 }

inline_ void Opcode::Matrix4x4::Copy ( const Matrix4x4 & source)

inline

Copy from a Matrix4x4.

Definition at line 70 of file Opcode.h.

float Matrix4x4::Determinant ( ) const

Computes the determinant of the matrix.

Definition at line 95 of file IceMatrix4x4.cpp.

References CoFactor(), and m.

Referenced by Invert().

 {
     return  m[0][0] * CoFactor(0, 0) +
             m[0][1] * CoFactor(0, 1) +
             m[0][2] * CoFactor(0, 2) +
             m[0][3] * CoFactor(0, 3);
 }

inline_ void Opcode::Matrix4x4::GetCol	(	const udword	c,
		HPoint &	p
	)		const

inline

Returns a column.

Definition at line 86 of file Opcode.h.

inline_ void Opcode::Matrix4x4::GetCol	(	const udword	c,
		Point &	p
	)		const

inline

Returns a column.

Definition at line 88 of file Opcode.h.

inline_ void Opcode::Matrix4x4::GetRow	(	const udword	r,
		HPoint &	p
	)		const

inline

Returns a row.

Definition at line 74 of file Opcode.h.

inline_ void Opcode::Matrix4x4::GetRow	(	const udword	r,
		Point &	p
	)		const

inline

Returns a row.

Definition at line 76 of file Opcode.h.

inline_ const HPoint& Opcode::Matrix4x4::GetRow ( const udword r) const

inline

Returns a row.

Definition at line 78 of file Opcode.h.

inline_ HPoint& Opcode::Matrix4x4::GetRow ( const udword r)

inline

Returns a row.

Definition at line 80 of file Opcode.h.

inline_ const HPoint& Opcode::Matrix4x4::GetTrans ( ) const

inline

Returns the translation part of the matrix.

Definition at line 96 of file Opcode.h.

inline_ void Opcode::Matrix4x4::GetTrans ( Point & p) const

inline

Gets the translation part of the matrix.

Definition at line 98 of file Opcode.h.

inline_ void Opcode::Matrix4x4::Identity ( )

inline

Sets the identity matrix.

Definition at line 175 of file Opcode.h.

Matrix4x4 & Matrix4x4::Invert ( )

Inverts the matrix. Determinant must be different from zero, else matrix can't be inverted.

Definition at line 106 of file IceMatrix4x4.cpp.

References CoFactor(), Determinant(), m, and MATRIX4X4_EPSILON.

 {
     float Det = Determinant();
     Matrix4x4 Temp;
 
     if(fabsf(Det) < MATRIX4X4_EPSILON)
         return  *this;      // The matrix is not invertible! Singular case!
 
     float IDet = 1.0f / Det;
 
     Temp.m[0][0] = CoFactor(0,0) * IDet;
     Temp.m[1][0] = CoFactor(0,1) * IDet;
     Temp.m[2][0] = CoFactor(0,2) * IDet;
     Temp.m[3][0] = CoFactor(0,3) * IDet;
     Temp.m[0][1] = CoFactor(1,0) * IDet;
     Temp.m[1][1] = CoFactor(1,1) * IDet;
     Temp.m[2][1] = CoFactor(1,2) * IDet;
     Temp.m[3][1] = CoFactor(1,3) * IDet;
     Temp.m[0][2] = CoFactor(2,0) * IDet;
     Temp.m[1][2] = CoFactor(2,1) * IDet;
     Temp.m[2][2] = CoFactor(2,2) * IDet;
     Temp.m[3][2] = CoFactor(2,3) * IDet;
     Temp.m[0][3] = CoFactor(3,0) * IDet;
     Temp.m[1][3] = CoFactor(3,1) * IDet;
     Temp.m[2][3] = CoFactor(3,2) * IDet;
     Temp.m[3][3] = CoFactor(3,3) * IDet;
 
     *this = Temp;
 
     return  *this;
 }

inline_ bool Opcode::Matrix4x4::IsIdentity ( ) const

inline

Checks for identity.

Definition at line 177 of file Opcode.h.

inline_ BOOL Opcode::Matrix4x4::IsValid ( ) const

inline

Checks matrix validity.

Definition at line 202 of file Opcode.h.

inline_ Opcode::Matrix4x4::operator Matrix3x3 ( ) const

inline

Casts a Matrix4x4 to a Matrix3x3.

Definition at line 245 of file Opcode.h.

Opcode::Matrix4x4::operator PR ( ) const

Casts a Matrix4x4 to a PR.

Opcode::Matrix4x4::operator Quat ( ) const

Casts a Matrix4x4 to a Quat.

inline_ Matrix4x4 Opcode::Matrix4x4::operator* ( const Matrix4x4 & mat) const

inline

Operator for Matrix4x4 Mul = Matrix4x4 * Matrix4x4;.

Definition at line 279 of file Opcode.h.

inline_ HPoint Opcode::Matrix4x4::operator* ( const HPoint & v) const

inline

Operator for HPoint Mul = Matrix4x4 * HPoint;.

Definition at line 304 of file Opcode.h.

inline_ Point Opcode::Matrix4x4::operator* ( const Point & v) const

inline

Operator for Point Mul = Matrix4x4 * Point;.

Definition at line 307 of file Opcode.h.

inline_ Matrix4x4 Opcode::Matrix4x4::operator* ( float s) const

inline

Operator for Matrix4x4 Scale = Matrix4x4 * float;.

Definition at line 315 of file Opcode.h.

Matrix4x4& Opcode::Matrix4x4::operator*= ( const Matrix4x4 & mat)

inline

Operator for Matrix4x4 *= Matrix4x4;.

Definition at line 377 of file Opcode.h.

inline_ Matrix4x4& Opcode::Matrix4x4::operator*= ( float s)

inline

Operator for Matrix4x4 *= float;.

Definition at line 409 of file Opcode.h.

inline_ Matrix4x4 Opcode::Matrix4x4::operator+ ( const Matrix4x4 & mat) const

inline

Operator for Matrix4x4 Plus = Matrix4x4 + Matrix4x4;.

Definition at line 259 of file Opcode.h.

inline_ Matrix4x4& Opcode::Matrix4x4::operator+= ( const Matrix4x4 & mat)

inline

Operator for Matrix4x4 += Matrix4x4;.

Definition at line 357 of file Opcode.h.

inline_ Matrix4x4 Opcode::Matrix4x4::operator- ( const Matrix4x4 & mat) const

inline

Operator for Matrix4x4 Minus = Matrix4x4 - Matrix4x4;.

Definition at line 269 of file Opcode.h.

inline_ Matrix4x4& Opcode::Matrix4x4::operator-= ( const Matrix4x4 & mat)

inline

Operator for Matrix4x4 -= Matrix4x4;.

Definition at line 367 of file Opcode.h.

inline_ Matrix4x4 Opcode::Matrix4x4::operator/ ( float s) const

inline

Operator for Matrix4x4 Div = Matrix4x4 / float;.

Definition at line 335 of file Opcode.h.

inline_ Matrix4x4& Opcode::Matrix4x4::operator/= ( float s)

inline

Operator for Matrix4x4 /= float;.

Definition at line 419 of file Opcode.h.

inline_ const HPoint& Opcode::Matrix4x4::operator[] ( int row) const

inline

Definition at line 429 of file Opcode.h.

inline_ HPoint& Opcode::Matrix4x4::operator[] ( int row)

inline

Definition at line 430 of file Opcode.h.

Matrix4x4& Opcode::Matrix4x4::Rot	(	float	angle,
		Point &	p1,
		Point &	p2
	)

Makes a rotation matrix about an arbitrary axis.

void Opcode::Matrix4x4::RotX ( float angle)

inline

Sets a rotation matrix around the X axis.

Definition at line 215 of file Opcode.h.

void Opcode::Matrix4x4::RotY ( float angle)

inline

Sets a rotation matrix around the Y axis.

Definition at line 217 of file Opcode.h.

void Opcode::Matrix4x4::RotZ ( float angle)

inline

Sets a rotation matrix around the Z axis.

Definition at line 219 of file Opcode.h.

void Opcode::Matrix4x4::Scale ( const Point & p)

inline

Scales from a Point. Each row is multiplied by a component.

Definition at line 112 of file Opcode.h.

void Opcode::Matrix4x4::Scale	(	float	sx,
		float	sy,
		float	sz
	)

inline

Scales from floats. Each row is multiplied by a value.

Definition at line 119 of file Opcode.h.

inline_ Matrix4x4& Opcode::Matrix4x4::Set	(	float	m00,
		float	m01,
		float	m02,
		float	m10,
		float	m11,
		float	m12,
		float	m20,
		float	m21,
		float	m22
	)

inline

Assign values (rotation only)

Definition at line 47 of file Opcode.h.

inline_ Matrix4x4& Opcode::Matrix4x4::Set	(	float	m00,
		float	m01,
		float	m02,
		float	m03,
		float	m10,
		float	m11,
		float	m12,
		float	m13,
		float	m20,
		float	m21,
		float	m22,
		float	m23,
		float	m30,
		float	m31,
		float	m32,
		float	m33
	)

inline

Assign values.

Definition at line 57 of file Opcode.h.

inline_ void Opcode::Matrix4x4::SetCol	(	const udword	c,
		const HPoint &	p
	)

inline

Sets a column.

Definition at line 90 of file Opcode.h.

inline_ void Opcode::Matrix4x4::SetCol	(	const udword	c,
		const Point &	p
	)

inline

Sets a column.

Definition at line 92 of file Opcode.h.

inline_ void Opcode::Matrix4x4::SetRow	(	const udword	r,
		const HPoint &	p
	)

inline

Sets a row.

Definition at line 82 of file Opcode.h.

inline_ void Opcode::Matrix4x4::SetRow	(	const udword	r,
		const Point &	p
	)

inline

Sets a row.

Definition at line 84 of file Opcode.h.

inline_ void Opcode::Matrix4x4::SetScale ( const Point & p)

inline

Sets the scale from a Point. The point is put on the diagonal.

Definition at line 108 of file Opcode.h.

inline_ void Opcode::Matrix4x4::SetScale	(	float	sx,
		float	sy,
		float	sz
	)

inline

Sets the scale from floats. Values are put on the diagonal.

Definition at line 110 of file Opcode.h.

inline_ void Opcode::Matrix4x4::SetTrans ( const Point & p)

inline

Sets the translation part of the matrix, from a Point.

Definition at line 100 of file Opcode.h.

inline_ void Opcode::Matrix4x4::SetTrans ( const HPoint & p)

inline

Sets the translation part of the matrix, from a HPoint.

Definition at line 102 of file Opcode.h.

inline_ void Opcode::Matrix4x4::SetTrans	(	float	tx,
		float	ty,
		float	tz
	)

inline

Sets the translation part of the matrix, from floats.

Definition at line 104 of file Opcode.h.

inline_ float Opcode::Matrix4x4::Trace ( ) const

inline

Computes the trace. The trace is the sum of the 4 diagonal components.

Definition at line 169 of file Opcode.h.

inline_ float Opcode::Matrix4x4::Trace3x3 ( ) const

inline

Computes the trace of the upper 3x3 matrix.

Definition at line 171 of file Opcode.h.

void Opcode::Matrix4x4::Transpose ( )

inline

Transposes the matrix.

Definition at line 225 of file Opcode.h.

inline_ void Opcode::Matrix4x4::Zero ( )

inline

Clears the matrix.

Definition at line 173 of file Opcode.h.

Friends And Related Function Documentation

inline_ friend Matrix4x4 operator*	(	float	s,
		const Matrix4x4 &	mat
	)

friend

Operator for Matrix4x4 Scale = float * Matrix4x4;.

Definition at line 325 of file Opcode.h.

inline_ friend Matrix4x4 operator/	(	float	s,
		const Matrix4x4 &	mat
	)

friend

Operator for Matrix4x4 Div = float / Matrix4x4;.

Definition at line 347 of file Opcode.h.

Member Data Documentation

float Opcode::Matrix4x4::m[4][4]

Definition at line 434 of file Opcode.h.

Referenced by CoFactor(), csOPCODECollider::Collide(), Determinant(), Invert(), Opcode::InvertPRMatrix(), Opcode::HPoint::operator*(), and Opcode::HPoint::operator*=().

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

src/cmd/collide2/Ice/IceMatrix4x4.h
src/cmd/collide2/Ice/IceMatrix4x4.cpp

Public Member Functions

Public Attributes

Friends

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Friends And Related Function Documentation

Member Data Documentation