| 1 |
greg |
3.4 |
/* RCSid: $Id$ */ |
| 2 |
gwlarson |
3.1 |
/* |
| 3 |
|
|
* Header file for Radiance - OpenGL routines. |
| 4 |
|
|
*/ |
| 5 |
|
|
|
| 6 |
greg |
3.4 |
/* ==================================================================== |
| 7 |
|
|
* The Radiance Software License, Version 1.0 |
| 8 |
|
|
* |
| 9 |
|
|
* Copyright (c) 1990 - 2002 The Regents of the University of California, |
| 10 |
|
|
* through Lawrence Berkeley National Laboratory. All rights reserved. |
| 11 |
|
|
* |
| 12 |
|
|
* Redistribution and use in source and binary forms, with or without |
| 13 |
|
|
* modification, are permitted provided that the following conditions |
| 14 |
|
|
* are met: |
| 15 |
|
|
* |
| 16 |
|
|
* 1. Redistributions of source code must retain the above copyright |
| 17 |
|
|
* notice, this list of conditions and the following disclaimer. |
| 18 |
|
|
* |
| 19 |
|
|
* 2. Redistributions in binary form must reproduce the above copyright |
| 20 |
|
|
* notice, this list of conditions and the following disclaimer in |
| 21 |
|
|
* the documentation and/or other materials provided with the |
| 22 |
|
|
* distribution. |
| 23 |
|
|
* |
| 24 |
|
|
* 3. The end-user documentation included with the redistribution, |
| 25 |
|
|
* if any, must include the following acknowledgment: |
| 26 |
|
|
* "This product includes Radiance software |
| 27 |
|
|
* (http://radsite.lbl.gov/) |
| 28 |
|
|
* developed by the Lawrence Berkeley National Laboratory |
| 29 |
|
|
* (http://www.lbl.gov/)." |
| 30 |
|
|
* Alternately, this acknowledgment may appear in the software itself, |
| 31 |
|
|
* if and wherever such third-party acknowledgments normally appear. |
| 32 |
|
|
* |
| 33 |
|
|
* 4. The names "Radiance," "Lawrence Berkeley National Laboratory" |
| 34 |
|
|
* and "The Regents of the University of California" must |
| 35 |
|
|
* not be used to endorse or promote products derived from this |
| 36 |
|
|
* software without prior written permission. For written |
| 37 |
|
|
* permission, please contact [email protected]. |
| 38 |
|
|
* |
| 39 |
|
|
* 5. Products derived from this software may not be called "Radiance", |
| 40 |
|
|
* nor may "Radiance" appear in their name, without prior written |
| 41 |
|
|
* permission of Lawrence Berkeley National Laboratory. |
| 42 |
|
|
* |
| 43 |
|
|
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| 44 |
|
|
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 45 |
|
|
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 46 |
|
|
* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR |
| 47 |
|
|
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 48 |
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 49 |
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| 50 |
|
|
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| 51 |
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| 52 |
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| 53 |
|
|
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 54 |
|
|
* SUCH DAMAGE. |
| 55 |
|
|
* ==================================================================== |
| 56 |
|
|
* |
| 57 |
|
|
* This software consists of voluntary contributions made by many |
| 58 |
|
|
* individuals on behalf of Lawrence Berkeley National Laboratory. For more |
| 59 |
|
|
* information on Lawrence Berkeley National Laboratory, please see |
| 60 |
|
|
* <http://www.lbl.gov/>. |
| 61 |
|
|
*/ |
| 62 |
|
|
|
| 63 |
gwlarson |
3.1 |
#include "standard.h" |
| 64 |
gwlarson |
3.3 |
#include <GL/glu.h> |
| 65 |
gwlarson |
3.1 |
#include "color.h" |
| 66 |
|
|
#include "object.h" |
| 67 |
|
|
#include "otypes.h" |
| 68 |
|
|
#include "lookup.h" |
| 69 |
|
|
|
| 70 |
|
|
#define MAXLIGHTS 8 /* number of OGL light sources */ |
| 71 |
|
|
|
| 72 |
|
|
#define MAXSPECEXP 128. /* maximum allowed specular exponent */ |
| 73 |
|
|
#define UNKSPECEXP 25. /* value to use when exponent unknown */ |
| 74 |
|
|
|
| 75 |
|
|
typedef struct { |
| 76 |
|
|
short type; /* material type (from otypes.h) */ |
| 77 |
|
|
short nlinks; /* number of links to this material */ |
| 78 |
|
|
union { |
| 79 |
|
|
struct { |
| 80 |
|
|
COLOR ambdiff; /* ambient and diffuse color */ |
| 81 |
|
|
COLOR specular; /* specular color */ |
| 82 |
|
|
GLfloat specexp; /* specular exponent */ |
| 83 |
|
|
} m; /* regular material */ |
| 84 |
|
|
struct { |
| 85 |
|
|
COLOR emission; /* emitting component */ |
| 86 |
|
|
GLfloat spotdir[3]; /* spot direction */ |
| 87 |
|
|
GLfloat spotang; /* spot cutoff angle */ |
| 88 |
|
|
} l; /* light source */ |
| 89 |
|
|
} u; /* union of types */ |
| 90 |
|
|
} MATREC; /* OGL material properties */ |
| 91 |
|
|
|
| 92 |
|
|
extern double expval; /* global exposure value */ |
| 93 |
|
|
extern COLOR ambval; /* global ambient value */ |
| 94 |
gwlarson |
3.2 |
extern int glightid[MAXLIGHTS]; /* OpenGL GL_LIGHTi values */ |
| 95 |
gwlarson |
3.1 |
extern int dolights; /* are we outputting light sources? */ |
| 96 |
|
|
extern int domats; /* are we doing materials? */ |
| 97 |
|
|
|
| 98 |
|
|
extern LUTAB mtab; /* material/modifier lookup table */ |
| 99 |
|
|
|
| 100 |
greg |
3.4 |
#define issrcmat(m) ((m) != NULL && islight((m)->type) && \ |
| 101 |
|
|
(m)->type != MAT_GLOW) |
| 102 |
|
|
|
| 103 |
|
|
#ifdef NOPROTO |
| 104 |
gwlarson |
3.1 |
|
| 105 |
greg |
3.4 |
extern void domatobj(); |
| 106 |
|
|
extern void domatvert(); |
| 107 |
gwlarson |
3.1 |
extern int newglist(); |
| 108 |
greg |
3.4 |
extern void rgl_checkerr(); |
| 109 |
|
|
extern int rgl_filelist(); |
| 110 |
|
|
extern int rgl_octlist(); |
| 111 |
|
|
extern void rgl_load(); |
| 112 |
|
|
extern void rgl_object(); |
| 113 |
|
|
extern int o_instance(); |
| 114 |
|
|
extern int loadoctrees(); |
| 115 |
gwlarson |
3.1 |
extern double checkoct(); |
| 116 |
greg |
3.4 |
extern int loadoct(); |
| 117 |
|
|
extern void rgl_matclear(); |
| 118 |
|
|
extern MATREC *getmatp(); |
| 119 |
|
|
extern int o_default(); |
| 120 |
|
|
extern MATREC *newmaterial(); |
| 121 |
|
|
extern void freemtl(); |
| 122 |
|
|
extern int m_normal(); |
| 123 |
|
|
extern int m_aniso(); |
| 124 |
|
|
extern int m_glass(); |
| 125 |
|
|
extern int m_brdf(); |
| 126 |
|
|
extern int m_brdf2(); |
| 127 |
|
|
extern int m_light(); |
| 128 |
|
|
extern int m_mirror(); |
| 129 |
|
|
extern int m_prism(); |
| 130 |
|
|
extern void lightinit(); |
| 131 |
|
|
extern void lightclean(); |
| 132 |
|
|
extern void lightdefs(); |
| 133 |
|
|
extern int o_source(); |
| 134 |
|
|
extern int doflatsrc(); |
| 135 |
|
|
extern int dosphsrc(); |
| 136 |
|
|
extern void setmaterial(); |
| 137 |
|
|
extern double polyarea(); |
| 138 |
|
|
extern int o_face(); |
| 139 |
|
|
extern void surfclean(); |
| 140 |
|
|
extern int o_sphere(); |
| 141 |
|
|
extern int o_cone(); |
| 142 |
|
|
extern int o_ring(); |
| 143 |
|
|
|
| 144 |
|
|
#else |
| 145 |
|
|
/* defined in rgldomat.c */ |
| 146 |
|
|
extern void domatobj(MATREC *mp, FVECT cent); |
| 147 |
|
|
extern void domatvert(MATREC *mp, FVECT v, FVECT n); |
| 148 |
|
|
/* defined in rglfile.c */ |
| 149 |
|
|
extern int newglist(void); |
| 150 |
|
|
extern void rgl_checkerr(char *where); |
| 151 |
|
|
extern int rgl_filelist(int ic, char **inp, int *nl); |
| 152 |
|
|
extern int rgl_octlist(char *fname, FVECT cent, FLOAT *radp, int *nl); |
| 153 |
|
|
extern void rgl_load(char *inpspec); |
| 154 |
|
|
extern void rgl_object(char *name, FILE *fp); |
| 155 |
|
|
/* defined in rglinst.c */ |
| 156 |
|
|
extern int o_instance(OBJREC *o); |
| 157 |
|
|
extern int loadoctrees(void); |
| 158 |
|
|
extern double checkoct(char *fname, FVECT cent); |
| 159 |
|
|
extern int loadoct(char *fname); |
| 160 |
|
|
/* defined in rglmat.c */ |
| 161 |
|
|
extern void rgl_matclear(void); |
| 162 |
|
|
extern MATREC *getmatp(char *nam); |
| 163 |
|
|
extern int o_default(OBJREC *o); |
| 164 |
|
|
extern MATREC *newmaterial(char *nam); |
| 165 |
|
|
extern void freemtl(MATREC *mp); |
| 166 |
|
|
extern int m_normal(OBJREC *o); |
| 167 |
|
|
extern int m_aniso(OBJREC *o); |
| 168 |
|
|
extern int m_glass(OBJREC *o); |
| 169 |
|
|
extern int m_brdf(OBJREC *o); |
| 170 |
|
|
extern int m_brdf2(OBJREC *o); |
| 171 |
|
|
extern int m_light(OBJREC *o); |
| 172 |
|
|
extern int m_mirror(OBJREC *o); |
| 173 |
|
|
extern int m_prism(OBJREC *o); |
| 174 |
|
|
/* defined in rglsrc.c */ |
| 175 |
|
|
extern void lightinit(void); |
| 176 |
|
|
extern void lightclean(void); |
| 177 |
|
|
extern void lightdefs(void); |
| 178 |
|
|
extern int o_source(OBJREC *o); |
| 179 |
|
|
extern int doflatsrc(MATREC *m, FVECT pos, FVECT norm, double area); |
| 180 |
|
|
extern int dosphsrc(MATREC *m, FVECT pos, double area); |
| 181 |
|
|
/* defined in rglsurf.c */ |
| 182 |
|
|
extern void setmaterial(MATREC *mp, FVECT cent, int ispoly); |
| 183 |
|
|
extern double polyarea(FVECT cent, FVECT norm, int n, FVECT v[]); |
| 184 |
|
|
extern int o_face(OBJREC *o); |
| 185 |
|
|
extern void surfclean(void); |
| 186 |
|
|
extern int o_sphere(OBJREC *o); |
| 187 |
|
|
extern int o_cone(OBJREC *o); |
| 188 |
|
|
extern int o_ring(OBJREC *o); |
| 189 |
gwlarson |
3.1 |
|
| 190 |
greg |
3.4 |
#endif |