1 |
/* RCSid $Id$ */ |
2 |
/* |
3 |
* Header file for Radiance - OpenGL routines. |
4 |
*/ |
5 |
|
6 |
#include "copyright.h" |
7 |
|
8 |
#include "standard.h" |
9 |
#include <GL/glu.h> |
10 |
#include "color.h" |
11 |
#include "object.h" |
12 |
#include "otypes.h" |
13 |
#include "lookup.h" |
14 |
|
15 |
#define MAXLIGHTS 8 /* number of OGL light sources */ |
16 |
|
17 |
#define MAXSPECEXP 128. /* maximum allowed specular exponent */ |
18 |
#define UNKSPECEXP 25. /* value to use when exponent unknown */ |
19 |
|
20 |
typedef struct { |
21 |
short type; /* material type (from otypes.h) */ |
22 |
short nlinks; /* number of links to this material */ |
23 |
union { |
24 |
struct { |
25 |
COLOR ambdiff; /* ambient and diffuse color */ |
26 |
COLOR specular; /* specular color */ |
27 |
GLfloat specexp; /* specular exponent */ |
28 |
} m; /* regular material */ |
29 |
struct { |
30 |
COLOR emission; /* emitting component */ |
31 |
GLfloat spotdir[3]; /* spot direction */ |
32 |
GLfloat spotang; /* spot cutoff angle */ |
33 |
} l; /* light source */ |
34 |
} u; /* union of types */ |
35 |
} MATREC; /* OGL material properties */ |
36 |
|
37 |
extern double expval; /* global exposure value */ |
38 |
extern COLOR ambval; /* global ambient value */ |
39 |
extern int glightid[MAXLIGHTS]; /* OpenGL GL_LIGHTi values */ |
40 |
extern int dolights; /* are we outputting light sources? */ |
41 |
extern int domats; /* are we doing materials? */ |
42 |
|
43 |
extern LUTAB mtab; /* material/modifier lookup table */ |
44 |
|
45 |
#define issrcmat(m) ((m) != NULL && islight((m)->type) && \ |
46 |
(m)->type != MAT_GLOW) |
47 |
|
48 |
#ifdef NOPROTO |
49 |
|
50 |
extern void domatobj(); |
51 |
extern void domatvert(); |
52 |
extern int newglist(); |
53 |
extern void rgl_checkerr(); |
54 |
extern int rgl_filelist(); |
55 |
extern int rgl_octlist(); |
56 |
extern void rgl_load(); |
57 |
extern void rgl_object(); |
58 |
extern int o_instance(); |
59 |
extern int loadoctrees(); |
60 |
extern double checkoct(); |
61 |
extern int loadoct(); |
62 |
extern void rgl_matclear(); |
63 |
extern MATREC *getmatp(); |
64 |
extern int o_default(); |
65 |
extern int o_unsupported(); |
66 |
extern MATREC *newmaterial(); |
67 |
extern void freemtl(); |
68 |
extern int m_normal(); |
69 |
extern int m_aniso(); |
70 |
extern int m_glass(); |
71 |
extern int m_brdf(); |
72 |
extern int m_brdf2(); |
73 |
extern int m_light(); |
74 |
extern int m_mirror(); |
75 |
extern int m_prism(); |
76 |
extern void lightinit(); |
77 |
extern void lightclean(); |
78 |
extern void lightdefs(); |
79 |
extern int o_source(); |
80 |
extern int doflatsrc(); |
81 |
extern int dosphsrc(); |
82 |
extern void setmaterial(); |
83 |
extern double polyarea(); |
84 |
extern int o_face(); |
85 |
extern void surfclean(); |
86 |
extern int o_sphere(); |
87 |
extern int o_cone(); |
88 |
extern int o_ring(); |
89 |
|
90 |
#else |
91 |
/* defined in rgldomat.c */ |
92 |
extern void domatobj(MATREC *mp, FVECT cent); |
93 |
extern void domatvert(MATREC *mp, FVECT v, FVECT n); |
94 |
/* defined in rglfile.c */ |
95 |
extern int newglist(void); |
96 |
extern void rgl_checkerr(char *where); |
97 |
extern int rgl_filelist(int ic, char **inp, int *nl); |
98 |
extern int rgl_octlist(char *fname, FVECT cent, FLOAT *radp, int *nl); |
99 |
extern void rgl_load(char *inpspec); |
100 |
extern void rgl_object(char *name, FILE *fp); |
101 |
/* defined in rglinst.c */ |
102 |
extern int o_instance(OBJREC *o); |
103 |
extern int loadoctrees(void); |
104 |
extern double checkoct(char *fname, FVECT cent); |
105 |
extern int loadoct(char *fname); |
106 |
/* defined in rglmat.c */ |
107 |
extern void rgl_matclear(void); |
108 |
extern MATREC *getmatp(char *nam); |
109 |
extern int o_default(OBJREC *o); |
110 |
extern int o_unsupported(OBJREC *o); |
111 |
extern MATREC *newmaterial(char *nam); |
112 |
extern void freemtl(MATREC *mp); |
113 |
extern int m_normal(OBJREC *o); |
114 |
extern int m_aniso(OBJREC *o); |
115 |
extern int m_glass(OBJREC *o); |
116 |
extern int m_brdf(OBJREC *o); |
117 |
extern int m_brdf2(OBJREC *o); |
118 |
extern int m_light(OBJREC *o); |
119 |
extern int m_mirror(OBJREC *o); |
120 |
extern int m_prism(OBJREC *o); |
121 |
/* defined in rglsrc.c */ |
122 |
extern void lightinit(void); |
123 |
extern void lightclean(void); |
124 |
extern void lightdefs(void); |
125 |
extern int o_source(OBJREC *o); |
126 |
extern int doflatsrc(MATREC *m, FVECT pos, FVECT norm, double area); |
127 |
extern int dosphsrc(MATREC *m, FVECT pos, double area); |
128 |
/* defined in rglsurf.c */ |
129 |
extern void setmaterial(MATREC *mp, FVECT cent, int ispoly); |
130 |
extern double polyarea(FVECT cent, FVECT norm, int n, FVECT v[]); |
131 |
extern int o_face(OBJREC *o); |
132 |
extern void surfclean(void); |
133 |
extern int o_sphere(OBJREC *o); |
134 |
extern int o_cone(OBJREC *o); |
135 |
extern int o_ring(OBJREC *o); |
136 |
|
137 |
#endif |