e194740c94
Change the inline functions to static type, otherwise when linking it complains multiple definitions of those functions.
389 lines
9.2 KiB
C
389 lines
9.2 KiB
C
/*
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* Copyright © 2009 Ian D. Romanick
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <math.h>
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#include <string.h>
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static inline void gluMult4v_4v(GLUvec4 *result,
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const GLUvec4 *v1, const GLUvec4 *v2)
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{
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result->values[0] = v1->values[0] * v2->values[0];
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result->values[1] = v1->values[1] * v2->values[1];
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result->values[2] = v1->values[2] * v2->values[2];
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result->values[3] = v1->values[3] * v2->values[3];
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}
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static inline void gluDiv4v_4v(GLUvec4 *result,
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const GLUvec4 *v1, const GLUvec4 *v2)
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{
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result->values[0] = v1->values[0] / v2->values[0];
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result->values[1] = v1->values[1] / v2->values[1];
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result->values[2] = v1->values[2] / v2->values[2];
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result->values[3] = v1->values[3] / v2->values[3];
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}
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static inline void gluAdd4v_4v(GLUvec4 *result,
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const GLUvec4 *v1, const GLUvec4 *v2)
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{
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result->values[0] = v1->values[0] + v2->values[0];
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result->values[1] = v1->values[1] + v2->values[1];
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result->values[2] = v1->values[2] + v2->values[2];
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result->values[3] = v1->values[3] + v2->values[3];
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}
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static inline void gluSub4v_4v(GLUvec4 *result,
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const GLUvec4 *v1, const GLUvec4 *v2)
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{
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result->values[0] = v1->values[0] - v2->values[0];
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result->values[1] = v1->values[1] - v2->values[1];
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result->values[2] = v1->values[2] - v2->values[2];
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result->values[3] = v1->values[3] - v2->values[3];
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}
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static inline void gluMult4v_f(GLUvec4 *result,
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const GLUvec4 *v1, GLfloat f)
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{
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result->values[0] = v1->values[0] * f;
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result->values[1] = v1->values[1] * f;
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result->values[2] = v1->values[2] * f;
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result->values[3] = v1->values[3] * f;
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}
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static inline void gluDiv4v_f(GLUvec4 *result,
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const GLUvec4 *v1, GLfloat f)
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{
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result->values[0] = v1->values[0] / f;
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result->values[1] = v1->values[1] / f;
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result->values[2] = v1->values[2] / f;
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result->values[3] = v1->values[3] / f;
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}
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static inline void gluAdd4v_f(GLUvec4 *result,
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const GLUvec4 *v1, GLfloat f)
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{
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result->values[0] = v1->values[0] + f;
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result->values[1] = v1->values[1] + f;
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result->values[2] = v1->values[2] + f;
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result->values[3] = v1->values[3] + f;
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}
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static inline void gluSub4v_f(GLUvec4 *result,
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const GLUvec4 *v1, GLfloat f)
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{
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result->values[0] = v1->values[0] - f;
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result->values[1] = v1->values[1] - f;
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result->values[2] = v1->values[2] - f;
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result->values[3] = v1->values[3] - f;
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}
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static inline void gluMult4m_f(GLUmat4 *result,
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const GLUmat4 *m, GLfloat f)
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{
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GLUmat4 temp;
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gluMult4v_f(& temp.col[0], & m->col[0], f);
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gluMult4v_f(& temp.col[1], & m->col[1], f);
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gluMult4v_f(& temp.col[2], & m->col[2], f);
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gluMult4v_f(& temp.col[3], & m->col[3], f);
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*result = temp;
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}
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static inline void gluMult4m_4v(GLUvec4 *result,
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const GLUmat4 *m, const GLUvec4 *v)
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{
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GLUvec4 temp[6];
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unsigned i;
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for (i = 0; i < 4; i++) {
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gluMult4v_f(& temp[i], & m->col[i], v->values[i]);
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}
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gluAdd4v_4v(& temp[4], & temp[0], & temp[1]);
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gluAdd4v_4v(& temp[5], & temp[2], & temp[3]);
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gluAdd4v_4v(result, & temp[4], & temp[5]);
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}
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static inline void gluAdd4m_4m(GLUmat4 *result,
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const GLUmat4 *m1, const GLUmat4 *m2)
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{
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GLUmat4 temp;
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gluAdd4v_4v(& temp.col[0], & m1->col[0], & m2->col[0]);
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gluAdd4v_4v(& temp.col[1], & m1->col[1], & m2->col[1]);
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gluAdd4v_4v(& temp.col[2], & m1->col[2], & m2->col[2]);
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gluAdd4v_4v(& temp.col[3], & m1->col[3], & m2->col[3]);
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*result = temp;
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}
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static inline void gluSub4m_4m(GLUmat4 *result,
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const GLUmat4 *m1, const GLUmat4 *m2)
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{
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GLUmat4 temp;
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gluSub4v_4v(& temp.col[0], & m1->col[0], & m2->col[0]);
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gluSub4v_4v(& temp.col[1], & m1->col[1], & m2->col[1]);
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gluSub4v_4v(& temp.col[2], & m1->col[2], & m2->col[2]);
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gluSub4v_4v(& temp.col[3], & m1->col[3], & m2->col[3]);
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*result = temp;
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}
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static inline GLfloat gluDot4_4v(const GLUvec4 *v1, const GLUvec4 *v2)
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{
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return v1->values[0] * v2->values[0]
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+ v1->values[1] * v2->values[1]
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+ v1->values[2] * v2->values[2]
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+ v1->values[3] * v2->values[3];
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}
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static inline GLfloat gluDot3_4v(const GLUvec4 *v1, const GLUvec4 *v2)
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{
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return v1->values[0] * v2->values[0]
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+ v1->values[1] * v2->values[1]
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+ v1->values[2] * v2->values[2];
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}
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static inline GLfloat gluDot2_4v(const GLUvec4 *v1, const GLUvec4 *v2)
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{
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return v1->values[0] * v2->values[0]
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+ v1->values[1] * v2->values[1];
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}
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static inline void gluCross4v(GLUvec4 *result,
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const GLUvec4 *v1, const GLUvec4 *v2)
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{
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GLUvec4 temp;
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temp.values[0] = (v1->values[1] * v2->values[2])
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- (v1->values[2] * v2->values[1]);
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temp.values[1] = (v1->values[2] * v2->values[0])
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- (v1->values[0] * v2->values[2]);
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temp.values[2] = (v1->values[0] * v2->values[1])
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- (v1->values[1] * v2->values[0]);
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temp.values[3] = 0.0;
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*result = temp;
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}
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static inline void gluOuter4v(GLUmat4 *result,
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const GLUvec4 *v1, const GLUvec4 *v2)
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{
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GLUmat4 temp;
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gluMult4v_f(& temp.col[0], v1, v2->values[0]);
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gluMult4v_f(& temp.col[1], v1, v2->values[1]);
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gluMult4v_f(& temp.col[2], v1, v2->values[2]);
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gluMult4v_f(& temp.col[3], v1, v2->values[3]);
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*result = temp;
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}
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static inline GLfloat gluLengthSqr4v(const GLUvec4 *v)
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{
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return gluDot4_4v(v, v);
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}
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static inline GLfloat gluLength4v(const GLUvec4 *v)
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{
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return sqrt(gluLengthSqr4v(v));
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}
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static inline void gluNormalize4v(GLUvec4 *result, const GLUvec4 *v)
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{
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gluDiv4v_f(result, v, gluLength4v(v));
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}
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static inline void gluTranspose4m(GLUmat4 *result, const GLUmat4 *m)
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{
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unsigned i;
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unsigned j;
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GLUmat4 temp;
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for (i = 0; i < 4; i++) {
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for (j = 0; j < 4; j++) {
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temp.col[i].values[j] = m->col[j].values[i];
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}
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}
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*result = temp;
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}
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static inline void gluMult4m_4m(GLUmat4 *result,
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const GLUmat4 *m1, const GLUmat4 *m2)
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{
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GLUmat4 temp;
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unsigned i;
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for (i = 0; i < 4; i++) {
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gluMult4m_4v(& temp.col[i], m1, & m2->col[i]);
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}
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*result = temp;
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}
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static inline void gluTranslate3f(GLUmat4 *result,
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GLfloat x, GLfloat y, GLfloat z)
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{
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memcpy(result, & gluIdentityMatrix, sizeof(gluIdentityMatrix));
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result->col[3].values[0] = x;
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result->col[3].values[1] = y;
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result->col[3].values[2] = z;
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}
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#ifdef __cplusplus
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static inline GLfloat gluDot4(const GLUvec4 &v1, const GLUvec4 &v2)
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{
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return v1.values[0] * v2.values[0]
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+ v1.values[1] * v2.values[1]
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+ v1.values[2] * v2.values[2]
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+ v1.values[3] * v2.values[3];
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}
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static inline GLfloat gluDot3(const GLUvec4 &v1, const GLUvec4 &v2)
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{
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return v1.values[0] * v2.values[0]
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+ v1.values[1] * v2.values[1]
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+ v1.values[2] * v2.values[2];
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}
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static inline GLfloat gluDot2(const GLUvec4 &v1, const GLUvec4 &v2)
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{
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return v1.values[0] * v2.values[0]
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+ v1.values[1] * v2.values[1];
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}
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inline GLUvec4 GLUvec4::operator+(const GLUvec4 &v) const
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{
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return GLUvec4(values[0] + v.values[0],
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values[1] + v.values[1],
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values[2] + v.values[2],
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values[3] + v.values[3]);
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}
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inline GLUvec4 GLUvec4::operator-(const GLUvec4 &v) const
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{
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return GLUvec4(values[0] - v.values[0],
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values[1] - v.values[1],
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values[2] - v.values[2],
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values[3] - v.values[3]);
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}
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inline GLUvec4 GLUvec4::operator*(const GLUvec4 &v) const
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{
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return GLUvec4(values[0] * v.values[0],
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values[1] * v.values[1],
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values[2] * v.values[2],
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values[3] * v.values[3]);
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}
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inline GLUvec4 GLUvec4::operator*(GLfloat f) const
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{
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return GLUvec4(values[0] * f,
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values[1] * f,
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values[2] * f,
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values[3] * f);
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}
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inline GLUvec4 GLUvec4::operator*(const GLUmat4 &m) const
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{
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return GLUvec4(gluDot4(*this, m.col[0]),
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gluDot4(*this, m.col[1]),
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gluDot4(*this, m.col[2]),
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gluDot4(*this, m.col[3]));
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}
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inline GLUmat4 GLUmat4::operator+(const GLUmat4 &m) const
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{
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GLUmat4 temp;
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gluAdd4m_4m(& temp, this, &m);
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return temp;
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}
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inline GLUmat4 GLUmat4::operator-(const GLUmat4 &m) const
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{
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return GLUmat4(col[0] - m.col[0],
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col[1] - m.col[1],
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col[2] - m.col[2],
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col[3] - m.col[3]);
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}
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inline GLUmat4 GLUmat4::operator*(GLfloat f) const
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{
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GLUmat4 temp;
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gluMult4m_f(& temp, this, f);
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return temp;
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}
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inline GLUvec4 GLUmat4::operator*(const GLUvec4 &v) const
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{
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return (col[0] * v.values[0])
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+ (col[1] * v.values[1])
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+ (col[2] * v.values[2])
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+ (col[3] * v.values[3]);
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}
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inline GLUmat4 GLUmat4::operator*(const GLUmat4 &m) const
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{
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GLUmat4 temp;
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gluMult4m_4m(& temp, this, &m);
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return temp;
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}
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#endif /* __cplusplus */
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