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/* RCSid $Id: radogl.h,v 3.6 2003/04/23 02:28:06 greg Exp $ */ |
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/* |
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* Header file for Radiance - OpenGL routines. |
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*/ |
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#ifndef _RAD_RADOGL_H_ |
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#define _RAD_RADOGL_H_ |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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#include "copyright.h" |
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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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#define MAXLIGHTS 8 /* number of OGL light sources */ |
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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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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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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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extern LUTAB mtab; /* material/modifier lookup table */ |
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#define issrcmat(m) ((m) != NULL && islight((m)->type) && \ |
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(m)->type != MAT_GLOW) |
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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 int o_unsupported(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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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* _RAD_RADOGL_H_ */ |
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