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This commit is contained in:
Zachary Slater 2005-08-26 04:48:05 +00:00
parent dbe4ddb103
commit 5b755058f5
1409 changed files with 798983 additions and 798983 deletions
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592
code/splines/Splines.vcproj Normal file → Executable file
View file

@ -1,296 +1,296 @@
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300
code/splines/math_angles.cpp Normal file → Executable file
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@ -1,150 +1,150 @@
/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
#include "q_shared.h"
#include <float.h>
angles_t ang_zero( 0.0f, 0.0f, 0.0f );
void toAngles( mat3_t &src, angles_t &dst ) {
double theta;
double cp;
double sp;
sp = src[ 0 ][ 2 ];
// cap off our sin value so that we don't get any NANs
if ( sp > 1.0 ) {
sp = 1.0;
} else if ( sp < -1.0 ) {
sp = -1.0;
}
theta = -asin( sp );
cp = cos( theta );
if ( cp > 8192 * FLT_EPSILON ) {
dst.pitch = theta * 180 / M_PI;
dst.yaw = atan2( src[ 0 ][ 1 ], src[ 0 ][ 0 ] ) * 180 / M_PI;
dst.roll = atan2( src[ 1 ][ 2 ], src[ 2 ][ 2 ] ) * 180 / M_PI;
} else {
dst.pitch = theta * 180 / M_PI;
dst.yaw = -atan2( src[ 1 ][ 0 ], src[ 1 ][ 1 ] ) * 180 / M_PI;
dst.roll = 0;
}
}
void toAngles( quat_t &src, angles_t &dst ) {
mat3_t temp;
toMatrix( src, temp );
toAngles( temp, dst );
}
void toAngles( idVec3_t &src, angles_t &dst ) {
dst.pitch = src[ 0 ];
dst.yaw = src[ 1 ];
dst.roll = src[ 2 ];
}
void angles_t::toVectors( idVec3_t *forward, idVec3_t *right, idVec3_t *up ) {
float angle;
static float sr, sp, sy, cr, cp, cy; // static to help MS compiler fp bugs
angle = yaw * ( M_PI * 2 / 360 );
sy = sin( angle );
cy = cos( angle );
angle = pitch * ( M_PI * 2 / 360 );
sp = sin( angle );
cp = cos( angle );
angle = roll * ( M_PI * 2 / 360 );
sr = sin( angle );
cr = cos( angle );
if ( forward ) {
forward->set( cp * cy, cp * sy, -sp );
}
if ( right ) {
right->set( -sr * sp * cy + cr * sy, -sr * sp * sy + -cr * cy, -sr * cp );
}
if ( up ) {
up->set( cr * sp * cy + -sr * -sy, cr * sp * sy + -sr * cy, cr * cp );
}
}
idVec3_t angles_t::toForward( void ) {
float angle;
static float sp, sy, cp, cy; // static to help MS compiler fp bugs
angle = yaw * ( M_PI * 2 / 360 );
sy = sin( angle );
cy = cos( angle );
angle = pitch * ( M_PI * 2 / 360 );
sp = sin( angle );
cp = cos( angle );
return idVec3_t( cp * cy, cp * sy, -sp );
}
/*
=================
Normalize360
returns angles normalized to the range [0 <= angle < 360]
=================
*/
angles_t& angles_t::Normalize360( void ) {
pitch = (360.0 / 65536) * ( ( int )( pitch * ( 65536 / 360.0 ) ) & 65535 );
yaw = (360.0 / 65536) * ( ( int )( yaw * ( 65536 / 360.0 ) ) & 65535 );
roll = (360.0 / 65536) * ( ( int )( roll * ( 65536 / 360.0 ) ) & 65535 );
return *this;
}
/*
=================
Normalize180
returns angles normalized to the range [-180 < angle <= 180]
=================
*/
angles_t& angles_t::Normalize180( void ) {
Normalize360();
if ( pitch > 180.0 ) {
pitch -= 360.0;
}
if ( yaw > 180.0 ) {
yaw -= 360.0;
}
if ( roll > 180.0 ) {
roll -= 360.0;
}
return *this;
}
/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
#include "q_shared.h"
#include <float.h>
angles_t ang_zero( 0.0f, 0.0f, 0.0f );
void toAngles( mat3_t &src, angles_t &dst ) {
double theta;
double cp;
double sp;
sp = src[ 0 ][ 2 ];
// cap off our sin value so that we don't get any NANs
if ( sp > 1.0 ) {
sp = 1.0;
} else if ( sp < -1.0 ) {
sp = -1.0;
}
theta = -asin( sp );
cp = cos( theta );
if ( cp > 8192 * FLT_EPSILON ) {
dst.pitch = theta * 180 / M_PI;
dst.yaw = atan2( src[ 0 ][ 1 ], src[ 0 ][ 0 ] ) * 180 / M_PI;
dst.roll = atan2( src[ 1 ][ 2 ], src[ 2 ][ 2 ] ) * 180 / M_PI;
} else {
dst.pitch = theta * 180 / M_PI;
dst.yaw = -atan2( src[ 1 ][ 0 ], src[ 1 ][ 1 ] ) * 180 / M_PI;
dst.roll = 0;
}
}
void toAngles( quat_t &src, angles_t &dst ) {
mat3_t temp;
toMatrix( src, temp );
toAngles( temp, dst );
}
void toAngles( idVec3_t &src, angles_t &dst ) {
dst.pitch = src[ 0 ];
dst.yaw = src[ 1 ];
dst.roll = src[ 2 ];
}
void angles_t::toVectors( idVec3_t *forward, idVec3_t *right, idVec3_t *up ) {
float angle;
static float sr, sp, sy, cr, cp, cy; // static to help MS compiler fp bugs
angle = yaw * ( M_PI * 2 / 360 );
sy = sin( angle );
cy = cos( angle );
angle = pitch * ( M_PI * 2 / 360 );
sp = sin( angle );
cp = cos( angle );
angle = roll * ( M_PI * 2 / 360 );
sr = sin( angle );
cr = cos( angle );
if ( forward ) {
forward->set( cp * cy, cp * sy, -sp );
}
if ( right ) {
right->set( -sr * sp * cy + cr * sy, -sr * sp * sy + -cr * cy, -sr * cp );
}
if ( up ) {
up->set( cr * sp * cy + -sr * -sy, cr * sp * sy + -sr * cy, cr * cp );
}
}
idVec3_t angles_t::toForward( void ) {
float angle;
static float sp, sy, cp, cy; // static to help MS compiler fp bugs
angle = yaw * ( M_PI * 2 / 360 );
sy = sin( angle );
cy = cos( angle );
angle = pitch * ( M_PI * 2 / 360 );
sp = sin( angle );
cp = cos( angle );
return idVec3_t( cp * cy, cp * sy, -sp );
}
/*
=================
Normalize360
returns angles normalized to the range [0 <= angle < 360]
=================
*/
angles_t& angles_t::Normalize360( void ) {
pitch = (360.0 / 65536) * ( ( int )( pitch * ( 65536 / 360.0 ) ) & 65535 );
yaw = (360.0 / 65536) * ( ( int )( yaw * ( 65536 / 360.0 ) ) & 65535 );
roll = (360.0 / 65536) * ( ( int )( roll * ( 65536 / 360.0 ) ) & 65535 );
return *this;
}
/*
=================
Normalize180
returns angles normalized to the range [-180 < angle <= 180]
=================
*/
angles_t& angles_t::Normalize180( void ) {
Normalize360();
if ( pitch > 180.0 ) {
pitch -= 360.0;
}
if ( yaw > 180.0 ) {
yaw -= 360.0;
}
if ( roll > 180.0 ) {
roll -= 360.0;
}
return *this;
}

390
code/splines/math_angles.h Normal file → Executable file
View file

@ -1,195 +1,195 @@
/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
#ifndef __MATH_ANGLES_H__
#define __MATH_ANGLES_H__
#include <stdlib.h>
#include <assert.h>
#include "math_vector.h"
class mat3_t;
class quat_t;
class idVec3_t;
typedef idVec3_t &vec3_p;
class angles_t {
public:
float pitch;
float yaw;
float roll;
angles_t();
angles_t( float pitch, float yaw, float roll );
angles_t( const idVec3_t &vec );
friend void toAngles( idVec3_t &src, angles_t &dst );
friend void toAngles( quat_t &src, angles_t &dst );
friend void toAngles( mat3_t &src, angles_t &dst );
operator vec3_p();
float operator[]( int index ) const;
float& operator[]( int index );
void set( float pitch, float yaw, float roll );
void operator=( angles_t const &a );
void operator=( idVec3_t const &a );
friend angles_t operator+( const angles_t &a, const angles_t &b );
angles_t &operator+=( angles_t const &a );
angles_t &operator+=( idVec3_t const &a );
friend angles_t operator-( angles_t &a, angles_t &b );
angles_t &operator-=( angles_t &a );
friend angles_t operator*( const angles_t &a, float b );
friend angles_t operator*( float a, const angles_t &b );
angles_t &operator*=( float a );
friend int operator==( angles_t &a, angles_t &b );
friend int operator!=( angles_t &a, angles_t &b );
void toVectors( idVec3_t *forward, idVec3_t *right = NULL, idVec3_t *up = NULL );
idVec3_t toForward( void );
angles_t &Zero( void );
angles_t &Normalize360( void );
angles_t &Normalize180( void );
};
extern angles_t ang_zero;
inline angles_t::angles_t() {}
inline angles_t::angles_t( float pitch, float yaw, float roll ) {
this->pitch = pitch;
this->yaw = yaw;
this->roll = roll;
}
inline angles_t::angles_t( const idVec3_t &vec ) {
this->pitch = vec.x;
this->yaw = vec.y;
this->roll = vec.z;
}
inline float angles_t::operator[]( int index ) const {
assert( ( index >= 0 ) && ( index < 3 ) );
return ( &pitch )[ index ];
}
inline float& angles_t::operator[]( int index ) {
assert( ( index >= 0 ) && ( index < 3 ) );
return ( &pitch )[ index ];
}
inline angles_t::operator vec3_p( void ) {
return *( idVec3_t * )&pitch;
}
inline void angles_t::set( float pitch, float yaw, float roll ) {
this->pitch = pitch;
this->yaw = yaw;
this->roll = roll;
}
inline void angles_t::operator=( angles_t const &a ) {
pitch = a.pitch;
yaw = a.yaw;
roll = a.roll;
}
inline void angles_t::operator=( idVec3_t const &a ) {
pitch = a[ 0 ];
yaw = a[ 1 ];
roll = a[ 2 ];
}
inline angles_t operator+( const angles_t &a, const angles_t &b ) {
return angles_t( a.pitch + b.pitch, a.yaw + b.yaw, a.roll + b.roll );
}
inline angles_t& angles_t::operator+=( angles_t const &a ) {
pitch += a.pitch;
yaw += a.yaw;
roll += a.roll;
return *this;
}
inline angles_t& angles_t::operator+=( idVec3_t const &a ) {
pitch += a.x;
yaw += a.y;
roll += a.z;
return *this;
}
inline angles_t operator-( angles_t &a, angles_t &b ) {
return angles_t( a.pitch - b.pitch, a.yaw - b.yaw, a.roll - b.roll );
}
inline angles_t& angles_t::operator-=( angles_t &a ) {
pitch -= a.pitch;
yaw -= a.yaw;
roll -= a.roll;
return *this;
}
inline angles_t operator*( const angles_t &a, float b ) {
return angles_t( a.pitch * b, a.yaw * b, a.roll * b );
}
inline angles_t operator*( float a, const angles_t &b ) {
return angles_t( a * b.pitch, a * b.yaw, a * b.roll );
}
inline angles_t& angles_t::operator*=( float a ) {
pitch *= a;
yaw *= a;
roll *= a;
return *this;
}
inline int operator==( angles_t &a, angles_t &b ) {
return ( ( a.pitch == b.pitch ) && ( a.yaw == b.yaw ) && ( a.roll == b.roll ) );
}
inline int operator!=( angles_t &a, angles_t &b ) {
return ( ( a.pitch != b.pitch ) || ( a.yaw != b.yaw ) || ( a.roll != b.roll ) );
}
inline angles_t& angles_t::Zero( void ) {
pitch = 0.0f;
yaw = 0.0f;
roll = 0.0f;
return *this;
}
#endif /* !__MATH_ANGLES_H__ */
/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
#ifndef __MATH_ANGLES_H__
#define __MATH_ANGLES_H__
#include <stdlib.h>
#include <assert.h>
#include "math_vector.h"
class mat3_t;
class quat_t;
class idVec3_t;
typedef idVec3_t &vec3_p;
class angles_t {
public:
float pitch;
float yaw;
float roll;
angles_t();
angles_t( float pitch, float yaw, float roll );
angles_t( const idVec3_t &vec );
friend void toAngles( idVec3_t &src, angles_t &dst );
friend void toAngles( quat_t &src, angles_t &dst );
friend void toAngles( mat3_t &src, angles_t &dst );
operator vec3_p();
float operator[]( int index ) const;
float& operator[]( int index );
void set( float pitch, float yaw, float roll );
void operator=( angles_t const &a );
void operator=( idVec3_t const &a );
friend angles_t operator+( const angles_t &a, const angles_t &b );
angles_t &operator+=( angles_t const &a );
angles_t &operator+=( idVec3_t const &a );
friend angles_t operator-( angles_t &a, angles_t &b );
angles_t &operator-=( angles_t &a );
friend angles_t operator*( const angles_t &a, float b );
friend angles_t operator*( float a, const angles_t &b );
angles_t &operator*=( float a );
friend int operator==( angles_t &a, angles_t &b );
friend int operator!=( angles_t &a, angles_t &b );
void toVectors( idVec3_t *forward, idVec3_t *right = NULL, idVec3_t *up = NULL );
idVec3_t toForward( void );
angles_t &Zero( void );
angles_t &Normalize360( void );
angles_t &Normalize180( void );
};
extern angles_t ang_zero;
inline angles_t::angles_t() {}
inline angles_t::angles_t( float pitch, float yaw, float roll ) {
this->pitch = pitch;
this->yaw = yaw;
this->roll = roll;
}
inline angles_t::angles_t( const idVec3_t &vec ) {
this->pitch = vec.x;
this->yaw = vec.y;
this->roll = vec.z;
}
inline float angles_t::operator[]( int index ) const {
assert( ( index >= 0 ) && ( index < 3 ) );
return ( &pitch )[ index ];
}
inline float& angles_t::operator[]( int index ) {
assert( ( index >= 0 ) && ( index < 3 ) );
return ( &pitch )[ index ];
}
inline angles_t::operator vec3_p( void ) {
return *( idVec3_t * )&pitch;
}
inline void angles_t::set( float pitch, float yaw, float roll ) {
this->pitch = pitch;
this->yaw = yaw;
this->roll = roll;
}
inline void angles_t::operator=( angles_t const &a ) {
pitch = a.pitch;
yaw = a.yaw;
roll = a.roll;
}
inline void angles_t::operator=( idVec3_t const &a ) {
pitch = a[ 0 ];
yaw = a[ 1 ];
roll = a[ 2 ];
}
inline angles_t operator+( const angles_t &a, const angles_t &b ) {
return angles_t( a.pitch + b.pitch, a.yaw + b.yaw, a.roll + b.roll );
}
inline angles_t& angles_t::operator+=( angles_t const &a ) {
pitch += a.pitch;
yaw += a.yaw;
roll += a.roll;
return *this;
}
inline angles_t& angles_t::operator+=( idVec3_t const &a ) {
pitch += a.x;
yaw += a.y;
roll += a.z;
return *this;
}
inline angles_t operator-( angles_t &a, angles_t &b ) {
return angles_t( a.pitch - b.pitch, a.yaw - b.yaw, a.roll - b.roll );
}
inline angles_t& angles_t::operator-=( angles_t &a ) {
pitch -= a.pitch;
yaw -= a.yaw;
roll -= a.roll;
return *this;
}
inline angles_t operator*( const angles_t &a, float b ) {
return angles_t( a.pitch * b, a.yaw * b, a.roll * b );
}
inline angles_t operator*( float a, const angles_t &b ) {
return angles_t( a * b.pitch, a * b.yaw, a * b.roll );
}
inline angles_t& angles_t::operator*=( float a ) {
pitch *= a;
yaw *= a;
roll *= a;
return *this;
}
inline int operator==( angles_t &a, angles_t &b ) {
return ( ( a.pitch == b.pitch ) && ( a.yaw == b.yaw ) && ( a.roll == b.roll ) );
}
inline int operator!=( angles_t &a, angles_t &b ) {
return ( ( a.pitch != b.pitch ) || ( a.yaw != b.yaw ) || ( a.roll != b.roll ) );
}
inline angles_t& angles_t::Zero( void ) {
pitch = 0.0f;
yaw = 0.0f;
roll = 0.0f;
return *this;
}
#endif /* !__MATH_ANGLES_H__ */

268
code/splines/math_matrix.cpp Normal file → Executable file
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@ -1,134 +1,134 @@
/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
#include "q_shared.h"
mat3_t mat3_default( idVec3_t( 1, 0, 0 ), idVec3_t( 0, 1, 0 ), idVec3_t( 0, 0, 1 ) );
void toMatrix( quat_t const &src, mat3_t &dst ) {
float wx, wy, wz;
float xx, yy, yz;
float xy, xz, zz;
float x2, y2, z2;
x2 = src.x + src.x;
y2 = src.y + src.y;
z2 = src.z + src.z;
xx = src.x * x2;
xy = src.x * y2;
xz = src.x * z2;
yy = src.y * y2;
yz = src.y * z2;
zz = src.z * z2;
wx = src.w * x2;
wy = src.w * y2;
wz = src.w * z2;
dst[ 0 ][ 0 ] = 1.0f - ( yy + zz );
dst[ 0 ][ 1 ] = xy - wz;
dst[ 0 ][ 2 ] = xz + wy;
dst[ 1 ][ 0 ] = xy + wz;
dst[ 1 ][ 1 ] = 1.0f - ( xx + zz );
dst[ 1 ][ 2 ] = yz - wx;
dst[ 2 ][ 0 ] = xz - wy;
dst[ 2 ][ 1 ] = yz + wx;
dst[ 2 ][ 2 ] = 1.0f - ( xx + yy );
}
void toMatrix( angles_t const &src, mat3_t &dst ) {
float angle;
static float sr, sp, sy, cr, cp, cy; // static to help MS compiler fp bugs
angle = src.yaw * ( M_PI * 2.0f / 360.0f );
sy = sin( angle );
cy = cos( angle );
angle = src.pitch * ( M_PI * 2.0f / 360.0f );
sp = sin( angle );
cp = cos( angle );
angle = src.roll * ( M_PI * 2.0f / 360.0f );
sr = sin( angle );
cr = cos( angle );
dst[ 0 ].set( cp * cy, cp * sy, -sp );
dst[ 1 ].set( sr * sp * cy + cr * -sy, sr * sp * sy + cr * cy, sr * cp );
dst[ 2 ].set( cr * sp * cy + -sr * -sy, cr * sp * sy + -sr * cy, cr * cp );
}
void toMatrix( idVec3_t const &src, mat3_t &dst ) {
angles_t sup = src;
toMatrix(sup, dst);
}
void mat3_t::ProjectVector( const idVec3_t &src, idVec3_t &dst ) const {
dst.x = src * mat[ 0 ];
dst.y = src * mat[ 1 ];
dst.z = src * mat[ 2 ];
}
void mat3_t::UnprojectVector( const idVec3_t &src, idVec3_t &dst ) const {
dst = mat[ 0 ] * src.x + mat[ 1 ] * src.y + mat[ 2 ] * src.z;
}
void mat3_t::Transpose( mat3_t &matrix ) {
int i;
int j;
for( i = 0; i < 3; i++ ) {
for( j = 0; j < 3; j++ ) {
matrix[ i ][ j ] = mat[ j ][ i ];
}
}
}
void mat3_t::Transpose( void ) {
float temp;
int i;
int j;
for( i = 0; i < 3; i++ ) {
for( j = i + 1; j < 3; j++ ) {
temp = mat[ i ][ j ];
mat[ i ][ j ] = mat[ j ][ i ];
mat[ j ][ i ] = temp;
}
}
}
mat3_t mat3_t::Inverse( void ) const {
mat3_t inv( *this );
inv.Transpose();
return inv;
}
void mat3_t::Clear( void ) {
mat[0].set( 1, 0, 0 );
mat[1].set( 0, 1, 0 );
mat[2].set( 0, 0, 1 );
}
/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
#include "q_shared.h"
mat3_t mat3_default( idVec3_t( 1, 0, 0 ), idVec3_t( 0, 1, 0 ), idVec3_t( 0, 0, 1 ) );
void toMatrix( quat_t const &src, mat3_t &dst ) {
float wx, wy, wz;
float xx, yy, yz;
float xy, xz, zz;
float x2, y2, z2;
x2 = src.x + src.x;
y2 = src.y + src.y;
z2 = src.z + src.z;
xx = src.x * x2;
xy = src.x * y2;
xz = src.x * z2;
yy = src.y * y2;
yz = src.y * z2;
zz = src.z * z2;
wx = src.w * x2;
wy = src.w * y2;
wz = src.w * z2;
dst[ 0 ][ 0 ] = 1.0f - ( yy + zz );
dst[ 0 ][ 1 ] = xy - wz;
dst[ 0 ][ 2 ] = xz + wy;
dst[ 1 ][ 0 ] = xy + wz;
dst[ 1 ][ 1 ] = 1.0f - ( xx + zz );
dst[ 1 ][ 2 ] = yz - wx;
dst[ 2 ][ 0 ] = xz - wy;
dst[ 2 ][ 1 ] = yz + wx;
dst[ 2 ][ 2 ] = 1.0f - ( xx + yy );
}
void toMatrix( angles_t const &src, mat3_t &dst ) {
float angle;
static float sr, sp, sy, cr, cp, cy; // static to help MS compiler fp bugs
angle = src.yaw * ( M_PI * 2.0f / 360.0f );
sy = sin( angle );
cy = cos( angle );
angle = src.pitch * ( M_PI * 2.0f / 360.0f );
sp = sin( angle );
cp = cos( angle );
angle = src.roll * ( M_PI * 2.0f / 360.0f );
sr = sin( angle );
cr = cos( angle );
dst[ 0 ].set( cp * cy, cp * sy, -sp );
dst[ 1 ].set( sr * sp * cy + cr * -sy, sr * sp * sy + cr * cy, sr * cp );
dst[ 2 ].set( cr * sp * cy + -sr * -sy, cr * sp * sy + -sr * cy, cr * cp );
}
void toMatrix( idVec3_t const &src, mat3_t &dst ) {
angles_t sup = src;
toMatrix(sup, dst);
}
void mat3_t::ProjectVector( const idVec3_t &src, idVec3_t &dst ) const {
dst.x = src * mat[ 0 ];
dst.y = src * mat[ 1 ];
dst.z = src * mat[ 2 ];
}
void mat3_t::UnprojectVector( const idVec3_t &src, idVec3_t &dst ) const {
dst = mat[ 0 ] * src.x + mat[ 1 ] * src.y + mat[ 2 ] * src.z;
}
void mat3_t::Transpose( mat3_t &matrix ) {
int i;
int j;
for( i = 0; i < 3; i++ ) {
for( j = 0; j < 3; j++ ) {
matrix[ i ][ j ] = mat[ j ][ i ];
}
}
}
void mat3_t::Transpose( void ) {
float temp;
int i;
int j;
for( i = 0; i < 3; i++ ) {
for( j = i + 1; j < 3; j++ ) {
temp = mat[ i ][ j ];
mat[ i ][ j ] = mat[ j ][ i ];
mat[ j ][ i ] = temp;
}
}
}
mat3_t mat3_t::Inverse( void ) const {
mat3_t inv( *this );
inv.Transpose();
return inv;
}
void mat3_t::Clear( void ) {
mat[0].set( 1, 0, 0 );
mat[1].set( 0, 1, 0 );
mat[2].set( 0, 0, 1 );
}

446
code/splines/math_matrix.h Normal file → Executable file
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@ -1,223 +1,223 @@
/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
#ifndef __MATH_MATRIX_H__
#define __MATH_MATRIX_H__
#include <string.h>
#include "math_vector.h"
#ifndef ID_INLINE
#ifdef _WIN32
#define ID_INLINE __inline
#else
#define ID_INLINE inline
#endif
#endif
class quat_t;
class angles_t;
class mat3_t {
public:
idVec3_t mat[ 3 ];
mat3_t();
mat3_t( float src[ 3 ][ 3 ] );
mat3_t( idVec3_t const &x, idVec3_t const &y, idVec3_t const &z );
mat3_t( const float xx, const float xy, const float xz, const float yx, const float yy, const float yz, const float zx, const float zy, const float zz );
friend void toMatrix( quat_t const &src, mat3_t &dst );
friend void toMatrix( angles_t const &src, mat3_t &dst );
friend void toMatrix( idVec3_t const &src, mat3_t &dst );
idVec3_t operator[]( int index ) const;
idVec3_t &operator[]( int index );
idVec3_t operator*( const idVec3_t &vec ) const;
mat3_t operator*( const mat3_t &a ) const;
mat3_t operator*( float a ) const;
mat3_t operator+( mat3_t const &a ) const;
mat3_t operator-( mat3_t const &a ) const;
friend idVec3_t operator*( const idVec3_t &vec, const mat3_t &mat );
friend mat3_t operator*( float a, mat3_t const &b );
mat3_t &operator*=( float a );
mat3_t &operator+=( mat3_t const &a );
mat3_t &operator-=( mat3_t const &a );
void Clear( void );
void ProjectVector( const idVec3_t &src, idVec3_t &dst ) const;
void UnprojectVector( const idVec3_t &src, idVec3_t &dst ) const;
void OrthoNormalize( void );
void Transpose( mat3_t &matrix );
void Transpose( void );
mat3_t Inverse( void ) const;
void Identity( void );
friend void InverseMultiply( const mat3_t &inv, const mat3_t &b, mat3_t &dst );
friend mat3_t SkewSymmetric( idVec3_t const &src );
};
ID_INLINE mat3_t::mat3_t() {
}
ID_INLINE mat3_t::mat3_t( float src[ 3 ][ 3 ] ) {
memcpy( mat, src, sizeof( src ) );
}
ID_INLINE mat3_t::mat3_t( idVec3_t const &x, idVec3_t const &y, idVec3_t const &z ) {
mat[ 0 ].x = x.x; mat[ 0 ].y = x.y; mat[ 0 ].z = x.z;
mat[ 1 ].x = y.x; mat[ 1 ].y = y.y; mat[ 1 ].z = y.z;
mat[ 2 ].x = z.x; mat[ 2 ].y = z.y; mat[ 2 ].z = z.z;
}
ID_INLINE mat3_t::mat3_t( const float xx, const float xy, const float xz, const float yx, const float yy, const float yz, const float zx, const float zy, const float zz ) {
mat[ 0 ].x = xx; mat[ 0 ].y = xy; mat[ 0 ].z = xz;
mat[ 1 ].x = yx; mat[ 1 ].y = yy; mat[ 1 ].z = yz;
mat[ 2 ].x = zx; mat[ 2 ].y = zy; mat[ 2 ].z = zz;
}
ID_INLINE idVec3_t mat3_t::operator[]( int index ) const {
assert( ( index >= 0 ) && ( index < 3 ) );
return mat[ index ];
}
ID_INLINE idVec3_t& mat3_t::operator[]( int index ) {
assert( ( index >= 0 ) && ( index < 3 ) );
return mat[ index ];
}
ID_INLINE idVec3_t mat3_t::operator*( const idVec3_t &vec ) const {
return idVec3_t(
mat[ 0 ].x * vec.x + mat[ 1 ].x * vec.y + mat[ 2 ].x * vec.z,
mat[ 0 ].y * vec.x + mat[ 1 ].y * vec.y + mat[ 2 ].y * vec.z,
mat[ 0 ].z * vec.x + mat[ 1 ].z * vec.y + mat[ 2 ].z * vec.z );
}
ID_INLINE mat3_t mat3_t::operator*( const mat3_t &a ) const {
return mat3_t(
mat[0].x * a[0].x + mat[0].y * a[1].x + mat[0].z * a[2].x,
mat[0].x * a[0].y + mat[0].y * a[1].y + mat[0].z * a[2].y,
mat[0].x * a[0].z + mat[0].y * a[1].z + mat[0].z * a[2].z,
mat[1].x * a[0].x + mat[1].y * a[1].x + mat[1].z * a[2].x,
mat[1].x * a[0].y + mat[1].y * a[1].y + mat[1].z * a[2].y,
mat[1].x * a[0].z + mat[1].y * a[1].z + mat[1].z * a[2].z,
mat[2].x * a[0].x + mat[2].y * a[1].x + mat[2].z * a[2].x,
mat[2].x * a[0].y + mat[2].y * a[1].y + mat[2].z * a[2].y,
mat[2].x * a[0].z + mat[2].y * a[1].z + mat[2].z * a[2].z );
}
ID_INLINE mat3_t mat3_t::operator*( float a ) const {
return mat3_t(
mat[0].x * a, mat[0].y * a, mat[0].z * a,
mat[1].x * a, mat[1].y * a, mat[1].z * a,
mat[2].x * a, mat[2].y * a, mat[2].z * a );
}
ID_INLINE mat3_t mat3_t::operator+( mat3_t const &a ) const {
return mat3_t(
mat[0].x + a[0].x, mat[0].y + a[0].y, mat[0].z + a[0].z,
mat[1].x + a[1].x, mat[1].y + a[1].y, mat[1].z + a[1].z,
mat[2].x + a[2].x, mat[2].y + a[2].y, mat[2].z + a[2].z );
}
ID_INLINE mat3_t mat3_t::operator-( mat3_t const &a ) const {
return mat3_t(
mat[0].x - a[0].x, mat[0].y - a[0].y, mat[0].z - a[0].z,
mat[1].x - a[1].x, mat[1].y - a[1].y, mat[1].z - a[1].z,
mat[2].x - a[2].x, mat[2].y - a[2].y, mat[2].z - a[2].z );
}
ID_INLINE idVec3_t operator*( const idVec3_t &vec, const mat3_t &mat ) {
return idVec3_t(
mat[ 0 ].x * vec.x + mat[ 1 ].x * vec.y + mat[ 2 ].x * vec.z,
mat[ 0 ].y * vec.x + mat[ 1 ].y * vec.y + mat[ 2 ].y * vec.z,
mat[ 0 ].z * vec.x + mat[ 1 ].z * vec.y + mat[ 2 ].z * vec.z );
}
ID_INLINE mat3_t operator*( float a, mat3_t const &b ) {
return mat3_t(
b[0].x * a, b[0].y * a, b[0].z * a,
b[1].x * a, b[1].y * a, b[1].z * a,
b[2].x * a, b[2].y * a, b[2].z * a );
}
ID_INLINE mat3_t &mat3_t::operator*=( float a ) {
mat[0].x *= a; mat[0].y *= a; mat[0].z *= a;
mat[1].x *= a; mat[1].y *= a; mat[1].z *= a;
mat[2].x *= a; mat[2].y *= a; mat[2].z *= a;
return *this;
}
ID_INLINE mat3_t &mat3_t::operator+=( mat3_t const &a ) {
mat[0].x += a[0].x; mat[0].y += a[0].y; mat[0].z += a[0].z;
mat[1].x += a[1].x; mat[1].y += a[1].y; mat[1].z += a[1].z;
mat[2].x += a[2].x; mat[2].y += a[2].y; mat[2].z += a[2].z;
return *this;
}
ID_INLINE mat3_t &mat3_t::operator-=( mat3_t const &a ) {
mat[0].x -= a[0].x; mat[0].y -= a[0].y; mat[0].z -= a[0].z;
mat[1].x -= a[1].x; mat[1].y -= a[1].y; mat[1].z -= a[1].z;
mat[2].x -= a[2].x; mat[2].y -= a[2].y; mat[2].z -= a[2].z;
return *this;
}
ID_INLINE void mat3_t::OrthoNormalize( void ) {
mat[ 0 ].Normalize();
mat[ 2 ].Cross( mat[ 0 ], mat[ 1 ] );
mat[ 2 ].Normalize();
mat[ 1 ].Cross( mat[ 2 ], mat[ 0 ] );
mat[ 1 ].Normalize();
}
ID_INLINE void mat3_t::Identity( void ) {
mat[ 0 ].x = 1.f; mat[ 0 ].y = 0.f; mat[ 0 ].z = 0.f;
mat[ 1 ].x = 0.f; mat[ 1 ].y = 1.f; mat[ 1 ].z = 0.f;
mat[ 2 ].x = 0.f; mat[ 2 ].y = 0.f; mat[ 2 ].z = 1.f;
}
ID_INLINE void InverseMultiply( const mat3_t &inv, const mat3_t &b, mat3_t &dst ) {
dst[0].x = inv[0].x * b[0].x + inv[1].x * b[1].x + inv[2].x * b[2].x;
dst[0].y = inv[0].x * b[0].y + inv[1].x * b[1].y + inv[2].x * b[2].y;
dst[0].z = inv[0].x * b[0].z + inv[1].x * b[1].z + inv[2].x * b[2].z;
dst[1].x = inv[0].y * b[0].x + inv[1].y * b[1].x + inv[2].y * b[2].x;
dst[1].y = inv[0].y * b[0].y + inv[1].y * b[1].y + inv[2].y * b[2].y;
dst[1].z = inv[0].y * b[0].z + inv[1].y * b[1].z + inv[2].y * b[2].z;
dst[2].x = inv[0].z * b[0].x + inv[1].z * b[1].x + inv[2].z * b[2].x;
dst[2].y = inv[0].z * b[0].y + inv[1].z * b[1].y + inv[2].z * b[2].y;
dst[2].z = inv[0].z * b[0].z + inv[1].z * b[1].z + inv[2].z * b[2].z;
}
ID_INLINE mat3_t SkewSymmetric( idVec3_t const &src ) {
return mat3_t( 0.0f, -src.z, src.y, src.z, 0.0f, -src.x, -src.y, src.x, 0.0f );
}
extern mat3_t mat3_default;
#endif /* !__MATH_MATRIX_H__ */
/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
#ifndef __MATH_MATRIX_H__
#define __MATH_MATRIX_H__
#include <string.h>
#include "math_vector.h"
#ifndef ID_INLINE
#ifdef _WIN32
#define ID_INLINE __inline
#else
#define ID_INLINE inline
#endif
#endif
class quat_t;
class angles_t;
class mat3_t {
public:
idVec3_t mat[ 3 ];
mat3_t();
mat3_t( float src[ 3 ][ 3 ] );
mat3_t( idVec3_t const &x, idVec3_t const &y, idVec3_t const &z );
mat3_t( const float xx, const float xy, const float xz, const float yx, const float yy, const float yz, const float zx, const float zy, const float zz );
friend void toMatrix( quat_t const &src, mat3_t &dst );
friend void toMatrix( angles_t const &src, mat3_t &dst );
friend void toMatrix( idVec3_t const &src, mat3_t &dst );
idVec3_t operator[]( int index ) const;
idVec3_t &operator[]( int index );
idVec3_t operator*( const idVec3_t &vec ) const;
mat3_t operator*( const mat3_t &a ) const;
mat3_t operator*( float a ) const;
mat3_t operator+( mat3_t const &a ) const;
mat3_t operator-( mat3_t const &a ) const;
friend idVec3_t operator*( const idVec3_t &vec, const mat3_t &mat );
friend mat3_t operator*( float a, mat3_t const &b );
mat3_t &operator*=( float a );
mat3_t &operator+=( mat3_t const &a );
mat3_t &operator-=( mat3_t const &a );
void Clear( void );
void ProjectVector( const idVec3_t &src, idVec3_t &dst ) const;
void UnprojectVector( const idVec3_t &src, idVec3_t &dst ) const;
void OrthoNormalize( void );
void Transpose( mat3_t &matrix );
void Transpose( void );
mat3_t Inverse( void ) const;
void Identity( void );
friend void InverseMultiply( const mat3_t &inv, const mat3_t &b, mat3_t &dst );
friend mat3_t SkewSymmetric( idVec3_t const &src );
};
ID_INLINE mat3_t::mat3_t() {
}
ID_INLINE mat3_t::mat3_t( float src[ 3 ][ 3 ] ) {
memcpy( mat, src, sizeof( src ) );
}
ID_INLINE mat3_t::mat3_t( idVec3_t const &x, idVec3_t const &y, idVec3_t const &z ) {
mat[ 0 ].x = x.x; mat[ 0 ].y = x.y; mat[ 0 ].z = x.z;
mat[ 1 ].x = y.x; mat[ 1 ].y = y.y; mat[ 1 ].z = y.z;
mat[ 2 ].x = z.x; mat[ 2 ].y = z.y; mat[ 2 ].z = z.z;
}
ID_INLINE mat3_t::mat3_t( const float xx, const float xy, const float xz, const float yx, const float yy, const float yz, const float zx, const float zy, const float zz ) {
mat[ 0 ].x = xx; mat[ 0 ].y = xy; mat[ 0 ].z = xz;
mat[ 1 ].x = yx; mat[ 1 ].y = yy; mat[ 1 ].z = yz;
mat[ 2 ].x = zx; mat[ 2 ].y = zy; mat[ 2 ].z = zz;
}
ID_INLINE idVec3_t mat3_t::operator[]( int index ) const {
assert( ( index >= 0 ) && ( index < 3 ) );
return mat[ index ];
}
ID_INLINE idVec3_t& mat3_t::operator[]( int index ) {
assert( ( index >= 0 ) && ( index < 3 ) );
return mat[ index ];
}
ID_INLINE idVec3_t mat3_t::operator*( const idVec3_t &vec ) const {
return idVec3_t(
mat[ 0 ].x * vec.x + mat[ 1 ].x * vec.y + mat[ 2 ].x * vec.z,
mat[ 0 ].y * vec.x + mat[ 1 ].y * vec.y + mat[ 2 ].y * vec.z,
mat[ 0 ].z * vec.x + mat[ 1 ].z * vec.y + mat[ 2 ].z * vec.z );
}
ID_INLINE mat3_t mat3_t::operator*( const mat3_t &a ) const {
return mat3_t(
mat[0].x * a[0].x + mat[0].y * a[1].x + mat[0].z * a[2].x,
mat[0].x * a[0].y + mat[0].y * a[1].y + mat[0].z * a[2].y,
mat[0].x * a[0].z + mat[0].y * a[1].z + mat[0].z * a[2].z,
mat[1].x * a[0].x + mat[1].y * a[1].x + mat[1].z * a[2].x,
mat[1].x * a[0].y + mat[1].y * a[1].y + mat[1].z * a[2].y,
mat[1].x * a[0].z + mat[1].y * a[1].z + mat[1].z * a[2].z,
mat[2].x * a[0].x + mat[2].y * a[1].x + mat[2].z * a[2].x,
mat[2].x * a[0].y + mat[2].y * a[1].y + mat[2].z * a[2].y,
mat[2].x * a[0].z + mat[2].y * a[1].z + mat[2].z * a[2].z );
}
ID_INLINE mat3_t mat3_t::operator*( float a ) const {
return mat3_t(
mat[0].x * a, mat[0].y * a, mat[0].z * a,
mat[1].x * a, mat[1].y * a, mat[1].z * a,
mat[2].x * a, mat[2].y * a, mat[2].z * a );
}
ID_INLINE mat3_t mat3_t::operator+( mat3_t const &a ) const {
return mat3_t(
mat[0].x + a[0].x, mat[0].y + a[0].y, mat[0].z + a[0].z,
mat[1].x + a[1].x, mat[1].y + a[1].y, mat[1].z + a[1].z,
mat[2].x + a[2].x, mat[2].y + a[2].y, mat[2].z + a[2].z );
}
ID_INLINE mat3_t mat3_t::operator-( mat3_t const &a ) const {
return mat3_t(
mat[0].x - a[0].x, mat[0].y - a[0].y, mat[0].z - a[0].z,
mat[1].x - a[1].x, mat[1].y - a[1].y, mat[1].z - a[1].z,
mat[2].x - a[2].x, mat[2].y - a[2].y, mat[2].z - a[2].z );
}
ID_INLINE idVec3_t operator*( const idVec3_t &vec, const mat3_t &mat ) {
return idVec3_t(
mat[ 0 ].x * vec.x + mat[ 1 ].x * vec.y + mat[ 2 ].x * vec.z,
mat[ 0 ].y * vec.x + mat[ 1 ].y * vec.y + mat[ 2 ].y * vec.z,
mat[ 0 ].z * vec.x + mat[ 1 ].z * vec.y + mat[ 2 ].z * vec.z );
}
ID_INLINE mat3_t operator*( float a, mat3_t const &b ) {
return mat3_t(
b[0].x * a, b[0].y * a, b[0].z * a,
b[1].x * a, b[1].y * a, b[1].z * a,
b[2].x * a, b[2].y * a, b[2].z * a );
}
ID_INLINE mat3_t &mat3_t::operator*=( float a ) {
mat[0].x *= a; mat[0].y *= a; mat[0].z *= a;
mat[1].x *= a; mat[1].y *= a; mat[1].z *= a;
mat[2].x *= a; mat[2].y *= a; mat[2].z *= a;
return *this;
}
ID_INLINE mat3_t &mat3_t::operator+=( mat3_t const &a ) {
mat[0].x += a[0].x; mat[0].y += a[0].y; mat[0].z += a[0].z;
mat[1].x += a[1].x; mat[1].y += a[1].y; mat[1].z += a[1].z;
mat[2].x += a[2].x; mat[2].y += a[2].y; mat[2].z += a[2].z;
return *this;
}
ID_INLINE mat3_t &mat3_t::operator-=( mat3_t const &a ) {
mat[0].x -= a[0].x; mat[0].y -= a[0].y; mat[0].z -= a[0].z;
mat[1].x -= a[1].x; mat[1].y -= a[1].y; mat[1].z -= a[1].z;
mat[2].x -= a[2].x; mat[2].y -= a[2].y; mat[2].z -= a[2].z;
return *this;
}
ID_INLINE void mat3_t::OrthoNormalize( void ) {
mat[ 0 ].Normalize();
mat[ 2 ].Cross( mat[ 0 ], mat[ 1 ] );
mat[ 2 ].Normalize();
mat[ 1 ].Cross( mat[ 2 ], mat[ 0 ] );
mat[ 1 ].Normalize();
}
ID_INLINE void mat3_t::Identity( void ) {
mat[ 0 ].x = 1.f; mat[ 0 ].y = 0.f; mat[ 0 ].z = 0.f;
mat[ 1 ].x = 0.f; mat[ 1 ].y = 1.f; mat[ 1 ].z = 0.f;
mat[ 2 ].x = 0.f; mat[ 2 ].y = 0.f; mat[ 2 ].z = 1.f;
}
ID_INLINE void InverseMultiply( const mat3_t &inv, const mat3_t &b, mat3_t &dst ) {
dst[0].x = inv[0].x * b[0].x + inv[1].x * b[1].x + inv[2].x * b[2].x;
dst[0].y = inv[0].x * b[0].y + inv[1].x * b[1].y + inv[2].x * b[2].y;
dst[0].z = inv[0].x * b[0].z + inv[1].x * b[1].z + inv[2].x * b[2].z;
dst[1].x = inv[0].y * b[0].x + inv[1].y * b[1].x + inv[2].y * b[2].x;
dst[1].y = inv[0].y * b[0].y + inv[1].y * b[1].y + inv[2].y * b[2].y;
dst[1].z = inv[0].y * b[0].z + inv[1].y * b[1].z + inv[2].y * b[2].z;
dst[2].x = inv[0].z * b[0].x + inv[1].z * b[1].x + inv[2].z * b[2].x;
dst[2].y = inv[0].z * b[0].y + inv[1].z * b[1].y + inv[2].z * b[2].y;
dst[2].z = inv[0].z * b[0].z + inv[1].z * b[1].z + inv[2].z * b[2].z;
}
ID_INLINE mat3_t SkewSymmetric( idVec3_t const &src ) {
return mat3_t( 0.0f, -src.z, src.y, src.z, 0.0f, -src.x, -src.y, src.x, 0.0f );
}
extern mat3_t mat3_default;
#endif /* !__MATH_MATRIX_H__ */

156
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@ -1,78 +1,78 @@
/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
#include "math_quaternion.h"
#include "math_matrix.h"
void toQuat( idVec3_t &src, quat_t &dst ) {
dst.x = src.x;
dst.y = src.y;
dst.z = src.z;
dst.w = 0.0f;
}
void toQuat( angles_t &src, quat_t &dst ) {
mat3_t temp;
toMatrix( src, temp );
toQuat( temp, dst );
}
void toQuat( mat3_t &src, quat_t &dst ) {
float trace;
float s;
int i;
int j;
int k;
static int next[ 3 ] = { 1, 2, 0 };
trace = src[ 0 ][ 0 ] + src[ 1 ][ 1 ] + src[ 2 ][ 2 ];
if ( trace > 0.0f ) {
s = ( float )sqrt( trace + 1.0f );
dst.w = s * 0.5f;
s = 0.5f / s;
dst.x = ( src[ 2 ][ 1 ] - src[ 1 ][ 2 ] ) * s;
dst.y = ( src[ 0 ][ 2 ] - src[ 2 ][ 0 ] ) * s;
dst.z = ( src[ 1 ][ 0 ] - src[ 0 ][ 1 ] ) * s;
} else {
i = 0;
if ( src[ 1 ][ 1 ] > src[ 0 ][ 0 ] ) {
i = 1;
}
if ( src[ 2 ][ 2 ] > src[ i ][ i ] ) {
i = 2;
}
j = next[ i ];
k = next[ j ];
s = ( float )sqrt( ( src[ i ][ i ] - ( src[ j ][ j ] + src[ k ][ k ] ) ) + 1.0f );
dst[ i ] = s * 0.5f;
s = 0.5f / s;
dst.w = ( src[ k ][ j ] - src[ j ][ k ] ) * s;
dst[ j ] = ( src[ j ][ i ] + src[ i ][ j ] ) * s;
dst[ k ] = ( src[ k ][ i ] + src[ i ][ k ] ) * s;
}
}
/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
#include "math_quaternion.h"
#include "math_matrix.h"
void toQuat( idVec3_t &src, quat_t &dst ) {
dst.x = src.x;
dst.y = src.y;
dst.z = src.z;
dst.w = 0.0f;
}
void toQuat( angles_t &src, quat_t &dst ) {
mat3_t temp;
toMatrix( src, temp );
toQuat( temp, dst );
}
void toQuat( mat3_t &src, quat_t &dst ) {
float trace;
float s;
int i;
int j;
int k;
static int next[ 3 ] = { 1, 2, 0 };
trace = src[ 0 ][ 0 ] + src[ 1 ][ 1 ] + src[ 2 ][ 2 ];
if ( trace > 0.0f ) {
s = ( float )sqrt( trace + 1.0f );
dst.w = s * 0.5f;
s = 0.5f / s;
dst.x = ( src[ 2 ][ 1 ] - src[ 1 ][ 2 ] ) * s;
dst.y = ( src[ 0 ][ 2 ] - src[ 2 ][ 0 ] ) * s;
dst.z = ( src[ 1 ][ 0 ] - src[ 0 ][ 1 ] ) * s;
} else {
i = 0;
if ( src[ 1 ][ 1 ] > src[ 0 ][ 0 ] ) {
i = 1;
}
if ( src[ 2 ][ 2 ] > src[ i ][ i ] ) {
i = 2;
}
j = next[ i ];
k = next[ j ];
s = ( float )sqrt( ( src[ i ][ i ] - ( src[ j ][ j ] + src[ k ][ k ] ) ) + 1.0f );
dst[ i ] = s * 0.5f;
s = 0.5f / s;
dst.w = ( src[ k ][ j ] - src[ j ][ k ] ) * s;
dst[ j ] = ( src[ j ][ i ] + src[ i ][ j ] ) * s;
dst[ k ] = ( src[ k ][ i ] + src[ i ][ k ] ) * s;
}
}

380
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@ -1,190 +1,190 @@
/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
#ifndef __MATH_QUATERNION_H__
#define __MATH_QUATERNION_H__
#include <assert.h>
#include <math.h>
class idVec3_t;
class angles_t;
class mat3_t;
class quat_t {
public:
float x;
float y;
float z;
float w;
quat_t();
quat_t( float x, float y, float z, float w );
friend void toQuat( idVec3_t &src, quat_t &dst );
friend void toQuat( angles_t &src, quat_t &dst );
friend void toQuat( mat3_t &src, quat_t &dst );
float *vec4( void );
float operator[]( int index ) const;
float &operator[]( int index );
void set( float x, float y, float z, float w );
void operator=( quat_t a );
friend quat_t operator+( quat_t a, quat_t b );
quat_t &operator+=( quat_t a );
friend quat_t operator-( quat_t a, quat_t b );
quat_t &operator-=( quat_t a );
friend quat_t operator*( quat_t a, float b );
friend quat_t operator*( float a, quat_t b );
quat_t &operator*=( float a );
friend int operator==( quat_t a, quat_t b );
friend int operator!=( quat_t a, quat_t b );
float Length( void );
quat_t &Normalize( void );
quat_t operator-();
};
inline quat_t::quat_t() {
}
inline quat_t::quat_t( float x, float y, float z, float w ) {
this->x = x;
this->y = y;
this->z = z;
this->w = w;
}
inline float *quat_t::vec4( void ) {
return &x;
}
inline float quat_t::operator[]( int index ) const {
assert( ( index >= 0 ) && ( index < 4 ) );
return ( &x )[ index ];
}
inline float& quat_t::operator[]( int index ) {
assert( ( index >= 0 ) && ( index < 4 ) );
return ( &x )[ index ];
}
inline void quat_t::set( float x, float y, float z, float w ) {
this->x = x;
this->y = y;
this->z = z;
this->w = w;
}
inline void quat_t::operator=( quat_t a ) {
x = a.x;
y = a.y;
z = a.z;
w = a.w;
}
inline quat_t operator+( quat_t a, quat_t b ) {
return quat_t( a.x + b.x, a.y + b.y, a.z + b.z, a.w + b.w );
}
inline quat_t& quat_t::operator+=( quat_t a ) {
x += a.x;
y += a.y;
z += a.z;
w += a.w;
return *this;
}
inline quat_t operator-( quat_t a, quat_t b ) {
return quat_t( a.x - b.x, a.y - b.y, a.z - b.z, a.w - b.w );
}
inline quat_t& quat_t::operator-=( quat_t a ) {
x -= a.x;
y -= a.y;
z -= a.z;
w -= a.w;
return *this;
}
inline quat_t operator*( quat_t a, float b ) {
return quat_t( a.x * b, a.y * b, a.z * b, a.w * b );
}
inline quat_t operator*( float a, quat_t b ) {
return b * a;
}
inline quat_t& quat_t::operator*=( float a ) {
x *= a;
y *= a;
z *= a;
w *= a;
return *this;
}
inline int operator==( quat_t a, quat_t b ) {
return ( ( a.x == b.x ) && ( a.y == b.y ) && ( a.z == b.z ) && ( a.w == b.w ) );
}
inline int operator!=( quat_t a, quat_t b ) {
return ( ( a.x != b.x ) || ( a.y != b.y ) || ( a.z != b.z ) && ( a.w != b.w ) );
}
inline float quat_t::Length( void ) {
float length;
length = x * x + y * y + z * z + w * w;
return ( float )sqrt( length );
}
inline quat_t& quat_t::Normalize( void ) {
float length;
float ilength;
length = this->Length();
if ( length ) {
ilength = 1 / length;
x *= ilength;
y *= ilength;
z *= ilength;
w *= ilength;
}
return *this;
}
inline quat_t quat_t::operator-() {
return quat_t( -x, -y, -z, -w );
}
#endif /* !__MATH_QUATERNION_H__ */
/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
#ifndef __MATH_QUATERNION_H__
#define __MATH_QUATERNION_H__
#include <assert.h>
#include <math.h>
class idVec3_t;
class angles_t;
class mat3_t;
class quat_t {
public:
float x;
float y;
float z;
float w;
quat_t();
quat_t( float x, float y, float z, float w );
friend void toQuat( idVec3_t &src, quat_t &dst );
friend void toQuat( angles_t &src, quat_t &dst );
friend void toQuat( mat3_t &src, quat_t &dst );
float *vec4( void );
float operator[]( int index ) const;
float &operator[]( int index );
void set( float x, float y, float z, float w );
void operator=( quat_t a );
friend quat_t operator+( quat_t a, quat_t b );
quat_t &operator+=( quat_t a );
friend quat_t operator-( quat_t a, quat_t b );
quat_t &operator-=( quat_t a );
friend quat_t operator*( quat_t a, float b );
friend quat_t operator*( float a, quat_t b );
quat_t &operator*=( float a );
friend int operator==( quat_t a, quat_t b );
friend int operator!=( quat_t a, quat_t b );
float Length( void );
quat_t &Normalize( void );
quat_t operator-();
};
inline quat_t::quat_t() {
}
inline quat_t::quat_t( float x, float y, float z, float w ) {
this->x = x;
this->y = y;
this->z = z;
this->w = w;
}
inline float *quat_t::vec4( void ) {
return &x;
}
inline float quat_t::operator[]( int index ) const {
assert( ( index >= 0 ) && ( index < 4 ) );
return ( &x )[ index ];
}
inline float& quat_t::operator[]( int index ) {
assert( ( index >= 0 ) && ( index < 4 ) );
return ( &x )[ index ];
}
inline void quat_t::set( float x, float y, float z, float w ) {
this->x = x;
this->y = y;
this->z = z;
this->w = w;
}
inline void quat_t::operator=( quat_t a ) {
x = a.x;
y = a.y;
z = a.z;
w = a.w;
}
inline quat_t operator+( quat_t a, quat_t b ) {
return quat_t( a.x + b.x, a.y + b.y, a.z + b.z, a.w + b.w );
}
inline quat_t& quat_t::operator+=( quat_t a ) {
x += a.x;
y += a.y;
z += a.z;
w += a.w;
return *this;
}
inline quat_t operator-( quat_t a, quat_t b ) {
return quat_t( a.x - b.x, a.y - b.y, a.z - b.z, a.w - b.w );
}
inline quat_t& quat_t::operator-=( quat_t a ) {
x -= a.x;
y -= a.y;
z -= a.z;
w -= a.w;
return *this;
}
inline quat_t operator*( quat_t a, float b ) {
return quat_t( a.x * b, a.y * b, a.z * b, a.w * b );
}
inline quat_t operator*( float a, quat_t b ) {
return b * a;
}
inline quat_t& quat_t::operator*=( float a ) {
x *= a;
y *= a;
z *= a;
w *= a;
return *this;
}
inline int operator==( quat_t a, quat_t b ) {
return ( ( a.x == b.x ) && ( a.y == b.y ) && ( a.z == b.z ) && ( a.w == b.w ) );
}
inline int operator!=( quat_t a, quat_t b ) {
return ( ( a.x != b.x ) || ( a.y != b.y ) || ( a.z != b.z ) && ( a.w != b.w ) );
}
inline float quat_t::Length( void ) {
float length;
length = x * x + y * y + z * z + w * w;
return ( float )sqrt( length );
}
inline quat_t& quat_t::Normalize( void ) {
float length;
float ilength;
length = this->Length();
if ( length ) {
ilength = 1 / length;
x *= ilength;
y *= ilength;
z *= ilength;
w *= ilength;
}
return *this;
}
inline quat_t quat_t::operator-() {
return quat_t( -x, -y, -z, -w );
}
#endif /* !__MATH_QUATERNION_H__ */

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/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
//#include "../game/q_shared.h"
#include "math_vector.h"
#include <assert.h>
#include <math.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>
#include <ctype.h>
#define M_PI 3.14159265358979323846 // matches value in gcc v2 math.h
#define LERP_DELTA 1e-6
idVec3_t vec_zero( 0.0f, 0.0f, 0.0f );
Bounds boundsZero;
float idVec3_t::toYaw( void ) {
float yaw;
if ( ( y == 0 ) && ( x == 0 ) ) {
yaw = 0;
} else {
yaw = atan2( y, x ) * 180 / M_PI;
if ( yaw < 0 ) {
yaw += 360;
}
}
return yaw;
}
float idVec3_t::toPitch( void ) {
float forward;
float pitch;
if ( ( x == 0 ) && ( y == 0 ) ) {
if ( z > 0 ) {
pitch = 90;
} else {
pitch = 270;
}
} else {
forward = ( float )idSqrt( x * x + y * y );
pitch = atan2( z, forward ) * 180 / M_PI;
if ( pitch < 0 ) {
pitch += 360;
}
}
return pitch;
}
/*
angles_t idVec3_t::toAngles( void ) {
float forward;
float yaw;
float pitch;
if ( ( x == 0 ) && ( y == 0 ) ) {
yaw = 0;
if ( z > 0 ) {
pitch = 90;
} else {
pitch = 270;
}
} else {
yaw = atan2( y, x ) * 180 / M_PI;
if ( yaw < 0 ) {
yaw += 360;
}
forward = ( float )idSqrt( x * x + y * y );
pitch = atan2( z, forward ) * 180 / M_PI;
if ( pitch < 0 ) {
pitch += 360;
}
}
return angles_t( -pitch, yaw, 0 );
}
*/
idVec3_t LerpVector( idVec3_t &w1, idVec3_t &w2, const float t ) {
float omega, cosom, sinom, scale0, scale1;
cosom = w1 * w2;
if ( ( 1.0 - cosom ) > LERP_DELTA ) {
omega = acos( cosom );
sinom = sin( omega );
scale0 = sin( ( 1.0 - t ) * omega ) / sinom;
scale1 = sin( t * omega ) / sinom;
} else {
scale0 = 1.0 - t;
scale1 = t;
}
return ( w1 * scale0 + w2 * scale1 );
}
/*
=============
idVec3_t::string
This is just a convenience function
for printing vectors
=============
*/
char *idVec3_t::string( void ) {
static int index = 0;
static char str[ 8 ][ 36 ];
char *s;
// use an array so that multiple toString's won't collide
s = str[ index ];
index = (index + 1)&7;
sprintf( s, "%.2f %.2f %.2f", x, y, z );
return s;
}
/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
//#include "../game/q_shared.h"
#include "math_vector.h"
#include <assert.h>
#include <math.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>
#include <ctype.h>
#define M_PI 3.14159265358979323846 // matches value in gcc v2 math.h
#define LERP_DELTA 1e-6
idVec3_t vec_zero( 0.0f, 0.0f, 0.0f );
Bounds boundsZero;
float idVec3_t::toYaw( void ) {
float yaw;
if ( ( y == 0 ) && ( x == 0 ) ) {
yaw = 0;
} else {
yaw = atan2( y, x ) * 180 / M_PI;
if ( yaw < 0 ) {
yaw += 360;
}
}
return yaw;
}
float idVec3_t::toPitch( void ) {
float forward;
float pitch;
if ( ( x == 0 ) && ( y == 0 ) ) {
if ( z > 0 ) {
pitch = 90;
} else {
pitch = 270;
}
} else {
forward = ( float )idSqrt( x * x + y * y );
pitch = atan2( z, forward ) * 180 / M_PI;
if ( pitch < 0 ) {
pitch += 360;
}
}
return pitch;
}
/*
angles_t idVec3_t::toAngles( void ) {
float forward;
float yaw;
float pitch;
if ( ( x == 0 ) && ( y == 0 ) ) {
yaw = 0;
if ( z > 0 ) {
pitch = 90;
} else {
pitch = 270;
}
} else {
yaw = atan2( y, x ) * 180 / M_PI;
if ( yaw < 0 ) {
yaw += 360;
}
forward = ( float )idSqrt( x * x + y * y );
pitch = atan2( z, forward ) * 180 / M_PI;
if ( pitch < 0 ) {
pitch += 360;
}
}
return angles_t( -pitch, yaw, 0 );
}
*/
idVec3_t LerpVector( idVec3_t &w1, idVec3_t &w2, const float t ) {
float omega, cosom, sinom, scale0, scale1;
cosom = w1 * w2;
if ( ( 1.0 - cosom ) > LERP_DELTA ) {
omega = acos( cosom );
sinom = sin( omega );
scale0 = sin( ( 1.0 - t ) * omega ) / sinom;
scale1 = sin( t * omega ) / sinom;
} else {
scale0 = 1.0 - t;
scale1 = t;
}
return ( w1 * scale0 + w2 * scale1 );
}
/*
=============
idVec3_t::string
This is just a convenience function
for printing vectors
=============
*/
char *idVec3_t::string( void ) {
static int index = 0;
static char str[ 8 ][ 36 ];
char *s;
// use an array so that multiple toString's won't collide
s = str[ index ];
index = (index + 1)&7;
sprintf( s, "%.2f %.2f %.2f", x, y, z );
return s;
}

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@ -1,346 +1,346 @@
/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
#ifndef __UTIL_LIST_H__
#define __UTIL_LIST_H__
#include <stdlib.h>
#include <assert.h>
template< class type >
class idList {
private:
int m_num;
int m_size;
int m_granularity;
type *m_list;
public:
idList( int granularity = 16 );
~idList<type>();
void Clear( void );
int Num( void );
void SetNum( int num );
void SetGranularity( int granularity );
void Condense( void );
int Size( void );
void Resize( int size );
type operator[]( int index ) const;
type &operator[]( int index );
int Append( type const & obj );
int AddUnique( type const & obj );
type *Find( type const & obj, int *index = NULL );
bool RemoveIndex( int index );
bool Remove( type const & obj );
typedef int cmp_t(const void *, const void *);
void Sort( cmp_t *compare );
};
/*
================
idList<type>::idList( int )
================
*/
template< class type >
inline idList<type>::idList( int granularity ) {
assert( granularity > 0 );
m_list = NULL;
m_granularity = granularity;
Clear();
}
/*
================
idList<type>::~idList<type>
================
*/
template< class type >
inline idList<type>::~idList() {
Clear();
}
/*
================
idList<type>::Clear
================
*/
template< class type >
inline void idList<type>::Clear( void ) {
if ( m_list ) {
delete[] m_list;
}
m_list = NULL;
m_num = 0;
m_size = 0;
}
/*
================
idList<type>::Num
================
*/
template< class type >
inline int idList<type>::Num( void ) {
return m_num;
}
/*
================
idList<type>::SetNum
================
*/
template< class type >
inline void idList<type>::SetNum( int num ) {
assert( num >= 0 );
if ( num > m_size ) {
// resize it up to the closest level of granularity
Resize( ( ( num + m_granularity - 1 ) / m_granularity ) * m_granularity );
}
m_num = num;
}
/*
================
idList<type>::SetGranularity
================
*/
template< class type >
inline void idList<type>::SetGranularity( int granularity ) {
int newsize;
assert( granularity > 0 );
m_granularity = granularity;
if ( m_list ) {
// resize it to the closest level of granularity
newsize = ( ( m_num + m_granularity - 1 ) / m_granularity ) * m_granularity;
if ( newsize != m_size ) {
Resize( newsize );
}
}
}
/*
================
idList<type>::Condense
Resizes the array to exactly the number of elements it contains
================
*/
template< class type >
inline void idList<type>::Condense( void ) {
if ( m_list ) {
if ( m_num ) {
Resize( m_num );
} else {
Clear();
}
}
}
/*
================
idList<type>::Size
================
*/
template< class type >
inline int idList<type>::Size( void ) {
return m_size;
}
/*
================
idList<type>::Resize
================
*/
template< class type >
inline void idList<type>::Resize( int size ) {
type *temp;
int i;
assert( size > 0 );
if ( size <= 0 ) {
Clear();
return;
}
temp = m_list;
m_size = size;
if ( m_size < m_num ) {
m_num = m_size;
}
m_list = new type[ m_size ];
for( i = 0; i < m_num; i++ ) {
m_list[ i ] = temp[ i ];
}
if ( temp ) {
delete[] temp;
}
}
/*
================
idList<type>::operator[] const
================
*/
template< class type >
inline type idList<type>::operator[]( int index ) const {
assert( index >= 0 );
assert( index < m_num );
return m_list[ index ];
}
/*
================
idList<type>::operator[]
================
*/
template< class type >
inline type &idList<type>::operator[]( int index ) {
assert( index >= 0 );
assert( index < m_num );
return m_list[ index ];
}
/*
================
idList<type>::Append
================
*/
template< class type >
inline int idList<type>::Append( type const & obj ) {
if ( !m_list ) {
Resize( m_granularity );
}
if ( m_num == m_size ) {
Resize( m_size + m_granularity );
}
m_list[ m_num ] = obj;
m_num++;
return m_num - 1;
}
/*
================
idList<type>::AddUnique
================
*/
template< class type >
inline int idList<type>::AddUnique( type const & obj ) {
int index;
if ( !Find( obj, &index ) ) {
index = Append( obj );
}
return index;
}
/*
================
idList<type>::Find
================
*/
template< class type >
inline type *idList<type>::Find( type const & obj, int *index ) {
int i;
for( i = 0; i < m_num; i++ ) {
if ( m_list[ i ] == obj ) {
if ( index ) {
*index = i;
}
return &m_list[ i ];
}
}
return NULL;
}
/*
================
idList<type>::RemoveIndex
================
*/
template< class type >
inline bool idList<type>::RemoveIndex( int index ) {
int i;
if ( !m_list || !m_num ) {
return false;
}
assert( index >= 0 );
assert( index < m_num );
if ( ( index < 0 ) || ( index >= m_num ) ) {
return false;
}
m_num--;
for( i = index; i < m_num; i++ ) {
m_list[ i ] = m_list[ i + 1 ];
}
return true;
}
/*
================
idList<type>::Remove
================
*/
template< class type >
inline bool idList<type>::Remove( type const & obj ) {
int index;
if ( Find( obj, &index ) ) {
return RemoveIndex( index );
}
return false;
}
/*
================
idList<type>::Sort
================
*/
template< class type >
inline void idList<type>::Sort( cmp_t *compare ) {
if ( !m_list ) {
return;
}
qsort( ( void * )m_list, ( size_t )m_num, sizeof( type ), compare );
}
#endif /* !__UTIL_LIST_H__ */
/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
This file is part of Quake III Arena source code.
Quake III Arena source code is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.
Quake III Arena source code is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Foobar; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
===========================================================================
*/
#ifndef __UTIL_LIST_H__
#define __UTIL_LIST_H__
#include <stdlib.h>
#include <assert.h>
template< class type >
class idList {
private:
int m_num;
int m_size;
int m_granularity;
type *m_list;
public:
idList( int granularity = 16 );
~idList<type>();
void Clear( void );
int Num( void );
void SetNum( int num );
void SetGranularity( int granularity );
void Condense( void );
int Size( void );
void Resize( int size );
type operator[]( int index ) const;
type &operator[]( int index );
int Append( type const & obj );
int AddUnique( type const & obj );
type *Find( type const & obj, int *index = NULL );
bool RemoveIndex( int index );
bool Remove( type const & obj );
typedef int cmp_t(const void *, const void *);
void Sort( cmp_t *compare );
};
/*
================
idList<type>::idList( int )
================
*/
template< class type >
inline idList<type>::idList( int granularity ) {
assert( granularity > 0 );
m_list = NULL;
m_granularity = granularity;
Clear();
}
/*
================
idList<type>::~idList<type>
================
*/
template< class type >
inline idList<type>::~idList() {
Clear();
}
/*
================
idList<type>::Clear
================
*/
template< class type >
inline void idList<type>::Clear( void ) {
if ( m_list ) {
delete[] m_list;
}
m_list = NULL;
m_num = 0;
m_size = 0;
}
/*
================
idList<type>::Num
================
*/
template< class type >
inline int idList<type>::Num( void ) {
return m_num;
}
/*
================
idList<type>::SetNum
================
*/
template< class type >
inline void idList<type>::SetNum( int num ) {
assert( num >= 0 );
if ( num > m_size ) {
// resize it up to the closest level of granularity
Resize( ( ( num + m_granularity - 1 ) / m_granularity ) * m_granularity );
}
m_num = num;
}
/*
================
idList<type>::SetGranularity
================
*/
template< class type >
inline void idList<type>::SetGranularity( int granularity ) {
int newsize;
assert( granularity > 0 );
m_granularity = granularity;
if ( m_list ) {
// resize it to the closest level of granularity
newsize = ( ( m_num + m_granularity - 1 ) / m_granularity ) * m_granularity;
if ( newsize != m_size ) {
Resize( newsize );
}
}
}
/*
================
idList<type>::Condense
Resizes the array to exactly the number of elements it contains
================
*/
template< class type >
inline void idList<type>::Condense( void ) {
if ( m_list ) {
if ( m_num ) {
Resize( m_num );
} else {
Clear();
}
}
}
/*
================
idList<type>::Size
================
*/
template< class type >
inline int idList<type>::Size( void ) {
return m_size;
}
/*
================
idList<type>::Resize
================
*/
template< class type >
inline void idList<type>::Resize( int size ) {
type *temp;
int i;
assert( size > 0 );
if ( size <= 0 ) {
Clear();
return;
}
temp = m_list;
m_size = size;
if ( m_size < m_num ) {
m_num = m_size;
}
m_list = new type[ m_size ];
for( i = 0; i < m_num; i++ ) {
m_list[ i ] = temp[ i ];
}
if ( temp ) {
delete[] temp;
}
}
/*
================
idList<type>::operator[] const
================
*/
template< class type >
inline type idList<type>::operator[]( int index ) const {
assert( index >= 0 );
assert( index < m_num );
return m_list[ index ];
}
/*
================
idList<type>::operator[]
================
*/
template< class type >
inline type &idList<type>::operator[]( int index ) {
assert( index >= 0 );
assert( index < m_num );
return m_list[ index ];
}
/*
================
idList<type>::Append
================
*/
template< class type >
inline int idList<type>::Append( type const & obj ) {
if ( !m_list ) {
Resize( m_granularity );
}
if ( m_num == m_size ) {
Resize( m_size + m_granularity );
}
m_list[ m_num ] = obj;
m_num++;
return m_num - 1;
}
/*
================
idList<type>::AddUnique
================
*/
template< class type >
inline int idList<type>::AddUnique( type const & obj ) {
int index;
if ( !Find( obj, &index ) ) {
index = Append( obj );
}
return index;
}
/*
================
idList<type>::Find
================
*/
template< class type >
inline type *idList<type>::Find( type const & obj, int *index ) {
int i;
for( i = 0; i < m_num; i++ ) {
if ( m_list[ i ] == obj ) {
if ( index ) {
*index = i;
}
return &m_list[ i ];
}
}
return NULL;
}
/*
================
idList<type>::RemoveIndex
================
*/
template< class type >
inline bool idList<type>::RemoveIndex( int index ) {
int i;
if ( !m_list || !m_num ) {
return false;
}
assert( index >= 0 );
assert( index < m_num );
if ( ( index < 0 ) || ( index >= m_num ) ) {
return false;
}
m_num--;
for( i = index; i < m_num; i++ ) {
m_list[ i ] = m_list[ i + 1 ];
}
return true;
}
/*
================
idList<type>::Remove
================
*/
template< class type >
inline bool idList<type>::Remove( type const & obj ) {
int index;
if ( Find( obj, &index ) ) {
return RemoveIndex( index );
}
return false;
}
/*
================
idList<type>::Sort
================
*/
template< class type >
inline void idList<type>::Sort( cmp_t *compare ) {
if ( !m_list ) {
return;
}
qsort( ( void * )m_list, ( size_t )m_num, sizeof( type ), compare );
}
#endif /* !__UTIL_LIST_H__ */

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