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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
===========================================================================
*/
#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__ */
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