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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 | |