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/* RCSid: $Id$ */ |
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/* |
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* Header file for Radiance - OpenGL routines. |
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*/ |
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|
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/* ==================================================================== |
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* The Radiance Software License, Version 1.0 |
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* |
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* Copyright (c) 1990 - 2002 The Regents of the University of California, |
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* through Lawrence Berkeley National Laboratory. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. The end-user documentation included with the redistribution, |
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* if any, must include the following acknowledgment: |
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* "This product includes Radiance software |
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* (http://radsite.lbl.gov/) |
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* developed by the Lawrence Berkeley National Laboratory |
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* (http://www.lbl.gov/)." |
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* Alternately, this acknowledgment may appear in the software itself, |
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* if and wherever such third-party acknowledgments normally appear. |
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* |
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* 4. The names "Radiance," "Lawrence Berkeley National Laboratory" |
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* and "The Regents of the University of California" must |
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* not be used to endorse or promote products derived from this |
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* software without prior written permission. For written |
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* permission, please contact [email protected]. |
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* |
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* 5. Products derived from this software may not be called "Radiance", |
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* nor may "Radiance" appear in their name, without prior written |
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* permission of Lawrence Berkeley National Laboratory. |
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* |
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This software consists of voluntary contributions made by many |
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* individuals on behalf of Lawrence Berkeley National Laboratory. For more |
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* information on Lawrence Berkeley National Laboratory, please see |
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* <http://www.lbl.gov/>. |
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*/ |
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|
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#include "standard.h" |
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#include <GL/glu.h> |
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#include "color.h" |
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#include "object.h" |
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#include "otypes.h" |
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#include "lookup.h" |
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|
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#define MAXLIGHTS 8 /* number of OGL light sources */ |
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|
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#define MAXSPECEXP 128. /* maximum allowed specular exponent */ |
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#define UNKSPECEXP 25. /* value to use when exponent unknown */ |
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|
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typedef struct { |
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short type; /* material type (from otypes.h) */ |
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short nlinks; /* number of links to this material */ |
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union { |
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struct { |
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COLOR ambdiff; /* ambient and diffuse color */ |
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COLOR specular; /* specular color */ |
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GLfloat specexp; /* specular exponent */ |
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} m; /* regular material */ |
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struct { |
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COLOR emission; /* emitting component */ |
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GLfloat spotdir[3]; /* spot direction */ |
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GLfloat spotang; /* spot cutoff angle */ |
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} l; /* light source */ |
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} u; /* union of types */ |
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} MATREC; /* OGL material properties */ |
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|
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extern double expval; /* global exposure value */ |
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extern COLOR ambval; /* global ambient value */ |
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extern int glightid[MAXLIGHTS]; /* OpenGL GL_LIGHTi values */ |
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extern int dolights; /* are we outputting light sources? */ |
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extern int domats; /* are we doing materials? */ |
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|
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extern LUTAB mtab; /* material/modifier lookup table */ |
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|
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#define issrcmat(m) ((m) != NULL && islight((m)->type) && \ |
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(m)->type != MAT_GLOW) |
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|
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#ifdef NOPROTO |
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|
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extern void domatobj(); |
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extern void domatvert(); |
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extern int newglist(); |
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extern void rgl_checkerr(); |
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extern int rgl_filelist(); |
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extern int rgl_octlist(); |
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extern void rgl_load(); |
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extern void rgl_object(); |
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extern int o_instance(); |
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extern int loadoctrees(); |
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extern double checkoct(); |
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extern int loadoct(); |
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extern void rgl_matclear(); |
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extern MATREC *getmatp(); |
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extern int o_default(); |
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extern MATREC *newmaterial(); |
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extern void freemtl(); |
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extern int m_normal(); |
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extern int m_aniso(); |
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extern int m_glass(); |
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extern int m_brdf(); |
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extern int m_brdf2(); |
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extern int m_light(); |
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extern int m_mirror(); |
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extern int m_prism(); |
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extern void lightinit(); |
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extern void lightclean(); |
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extern void lightdefs(); |
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extern int o_source(); |
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extern int doflatsrc(); |
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extern int dosphsrc(); |
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extern void setmaterial(); |
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extern double polyarea(); |
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extern int o_face(); |
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extern void surfclean(); |
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extern int o_sphere(); |
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extern int o_cone(); |
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extern int o_ring(); |
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|
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#else |
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/* defined in rgldomat.c */ |
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extern void domatobj(MATREC *mp, FVECT cent); |
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extern void domatvert(MATREC *mp, FVECT v, FVECT n); |
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/* defined in rglfile.c */ |
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extern int newglist(void); |
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extern void rgl_checkerr(char *where); |
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extern int rgl_filelist(int ic, char **inp, int *nl); |
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extern int rgl_octlist(char *fname, FVECT cent, FLOAT *radp, int *nl); |
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extern void rgl_load(char *inpspec); |
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extern void rgl_object(char *name, FILE *fp); |
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/* defined in rglinst.c */ |
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extern int o_instance(OBJREC *o); |
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extern int loadoctrees(void); |
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extern double checkoct(char *fname, FVECT cent); |
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extern int loadoct(char *fname); |
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/* defined in rglmat.c */ |
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extern void rgl_matclear(void); |
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extern MATREC *getmatp(char *nam); |
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extern int o_default(OBJREC *o); |
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extern MATREC *newmaterial(char *nam); |
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extern void freemtl(MATREC *mp); |
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extern int m_normal(OBJREC *o); |
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extern int m_aniso(OBJREC *o); |
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extern int m_glass(OBJREC *o); |
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extern int m_brdf(OBJREC *o); |
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extern int m_brdf2(OBJREC *o); |
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extern int m_light(OBJREC *o); |
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extern int m_mirror(OBJREC *o); |
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extern int m_prism(OBJREC *o); |
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/* defined in rglsrc.c */ |
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extern void lightinit(void); |
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extern void lightclean(void); |
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extern void lightdefs(void); |
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extern int o_source(OBJREC *o); |
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extern int doflatsrc(MATREC *m, FVECT pos, FVECT norm, double area); |
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extern int dosphsrc(MATREC *m, FVECT pos, double area); |
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/* defined in rglsurf.c */ |
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extern void setmaterial(MATREC *mp, FVECT cent, int ispoly); |
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extern double polyarea(FVECT cent, FVECT norm, int n, FVECT v[]); |
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extern int o_face(OBJREC *o); |
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extern void surfclean(void); |
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extern int o_sphere(OBJREC *o); |
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extern int o_cone(OBJREC *o); |
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extern int o_ring(OBJREC *o); |
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|
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#endif |
