| 1 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
| 2 | * Mupen64plus - VectorMath.h * |
| 3 | * Mupen64Plus homepage: http://code.google.com/p/mupen64plus/ * |
| 4 | * Copyright (C) 2002 Rice1964 * |
| 5 | * * |
| 6 | * This program is free software; you can redistribute it and/or modify * |
| 7 | * it under the terms of the GNU General Public License as published by * |
| 8 | * the Free Software Foundation; either version 2 of the License, or * |
| 9 | * (at your option) any later version. * |
| 10 | * * |
| 11 | * This program is distributed in the hope that it will be useful, * |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 14 | * GNU General Public License for more details. * |
| 15 | * * |
| 16 | * You should have received a copy of the GNU General Public License * |
| 17 | * along with this program; if not, write to the * |
| 18 | * Free Software Foundation, Inc., * |
| 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * |
| 20 | * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
| 21 | |
| 22 | #ifndef VECTORMATH_H |
| 23 | #define VECTORMATH_H |
| 24 | |
| 25 | /****************************************************************************** |
| 26 | * 4x4 matrix |
| 27 | ******************************************************************************/ |
| 28 | |
| 29 | typedef struct _MATRIX { |
| 30 | union { |
| 31 | struct { |
| 32 | float _11, _12, _13, _14; |
| 33 | float _21, _22, _23, _24; |
| 34 | float _31, _32, _33, _34; |
| 35 | float _41, _42, _43, _44; |
| 36 | }; |
| 37 | float m[4][4]; |
| 38 | }; |
| 39 | } MATRIX; |
| 40 | |
| 41 | typedef struct XMATRIX : public MATRIX { |
| 42 | public: |
| 43 | XMATRIX(); |
| 44 | XMATRIX( const float * ); |
| 45 | XMATRIX( const MATRIX & ); |
| 46 | XMATRIX( float _11, float _12, float _13, float _14, |
| 47 | float _21, float _22, float _23, float _24, |
| 48 | float _31, float _32, float _33, float _34, |
| 49 | float _41, float _42, float _43, float _44 ); |
| 50 | |
| 51 | float& operator () ( unsigned int Row, unsigned int Col ); |
| 52 | float operator () ( unsigned int Row, unsigned int Col ) const; |
| 53 | |
| 54 | operator float* (); |
| 55 | operator const float* () const; |
| 56 | |
| 57 | // assignment operators |
| 58 | XMATRIX& operator *= ( const XMATRIX & ); |
| 59 | XMATRIX& operator += ( const XMATRIX & ); |
| 60 | XMATRIX& operator -= ( const XMATRIX & ); |
| 61 | XMATRIX& operator *= ( float ); |
| 62 | XMATRIX& operator /= ( float ); |
| 63 | |
| 64 | // unary operators |
| 65 | XMATRIX operator + () const; |
| 66 | XMATRIX operator - () const; |
| 67 | |
| 68 | // binary operators |
| 69 | XMATRIX operator * ( const XMATRIX & ) const; |
| 70 | XMATRIX operator + ( const XMATRIX & ) const; |
| 71 | XMATRIX operator - ( const XMATRIX & ) const; |
| 72 | XMATRIX operator * ( float ) const; |
| 73 | XMATRIX operator / ( float ) const; |
| 74 | friend XMATRIX operator * ( float, const XMATRIX & ); |
| 75 | bool operator == ( const XMATRIX & ) const; |
| 76 | bool operator != ( const XMATRIX & ) const; |
| 77 | } XMATRIX, *LPXMATRIX; |
| 78 | |
| 79 | /****************************************************************************** |
| 80 | * 3d vector |
| 81 | ******************************************************************************/ |
| 82 | |
| 83 | typedef struct _VECTOR3 |
| 84 | { |
| 85 | float x; |
| 86 | float y; |
| 87 | float z; |
| 88 | } VECTOR3; |
| 89 | |
| 90 | class XVECTOR3 : public VECTOR3 |
| 91 | { |
| 92 | public: |
| 93 | XVECTOR3(); |
| 94 | XVECTOR3( const float *f ); |
| 95 | XVECTOR3( const VECTOR3 &v ); |
| 96 | XVECTOR3( float _x, float _y, float _z ); |
| 97 | |
| 98 | // casting |
| 99 | inline operator float* (); |
| 100 | inline operator const float* () const; |
| 101 | |
| 102 | // assignment operators |
| 103 | inline XVECTOR3& operator += ( const XVECTOR3 &op ); |
| 104 | inline XVECTOR3& operator -= ( const XVECTOR3 &op ); |
| 105 | inline XVECTOR3& operator *= ( float op ); |
| 106 | inline XVECTOR3& operator /= ( float op ); |
| 107 | |
| 108 | // unary operators |
| 109 | inline XVECTOR3 operator + () const; |
| 110 | inline XVECTOR3 operator - () const; |
| 111 | |
| 112 | // binary operators |
| 113 | inline XVECTOR3 operator + ( const XVECTOR3 &op ) const; |
| 114 | inline XVECTOR3 operator - ( const XVECTOR3 &op ) const; |
| 115 | inline XVECTOR3 operator * ( float op ) const; |
| 116 | inline XVECTOR3 operator / ( float op ) const; |
| 117 | |
| 118 | |
| 119 | friend XVECTOR3 operator * ( float, const XVECTOR3& ); |
| 120 | |
| 121 | inline bool operator == ( const XVECTOR3 &op ) const; |
| 122 | inline bool operator != ( const XVECTOR3 &op ) const; |
| 123 | }; |
| 124 | |
| 125 | /****************************************************************************** |
| 126 | * 4d vector |
| 127 | ******************************************************************************/ |
| 128 | |
| 129 | typedef struct _VECTOR4 |
| 130 | { |
| 131 | float x; |
| 132 | float y; |
| 133 | float z; |
| 134 | float w; |
| 135 | } VECTOR4; |
| 136 | |
| 137 | class XVECTOR4 : public VECTOR4 |
| 138 | { |
| 139 | public: |
| 140 | XVECTOR4(); |
| 141 | XVECTOR4( const float *f ); |
| 142 | XVECTOR4( const VECTOR4 &v ); |
| 143 | XVECTOR4( float _x, float _y, float _z, float _w ); |
| 144 | |
| 145 | // casting |
| 146 | inline operator float* (); |
| 147 | inline operator const float* () const; |
| 148 | |
| 149 | // assignment operators |
| 150 | inline XVECTOR4& operator += ( const XVECTOR4 &op ); |
| 151 | inline XVECTOR4& operator -= ( const XVECTOR4 &op ); |
| 152 | inline XVECTOR4& operator *= ( float op ); |
| 153 | inline XVECTOR4& operator /= ( float op ); |
| 154 | |
| 155 | // unary operators |
| 156 | inline XVECTOR4 operator + () const; |
| 157 | inline XVECTOR4 operator - () const; |
| 158 | |
| 159 | // binary operators |
| 160 | inline XVECTOR4 operator + ( const XVECTOR4 &op ) const; |
| 161 | inline XVECTOR4 operator - ( const XVECTOR4 &op ) const; |
| 162 | inline XVECTOR4 operator * ( float op ) const; |
| 163 | inline XVECTOR4 operator / ( float op ) const; |
| 164 | |
| 165 | friend XVECTOR4 operator * ( float, const XVECTOR4& ); |
| 166 | |
| 167 | inline bool operator == ( const XVECTOR4 &op ) const; |
| 168 | inline bool operator != ( const XVECTOR4 &op ) const; |
| 169 | }; |
| 170 | |
| 171 | XVECTOR4 Vec3Transform(XVECTOR4 *pOut, const XVECTOR3 *pV, const XMATRIX *pM); |
| 172 | |
| 173 | XMATRIX* MatrixTranspose(XMATRIX* pOut, const XMATRIX* pM); |
| 174 | |
| 175 | #endif |
| 176 | |