| 7 |
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| 8 |
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#include "ray.h" |
| 9 |
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#include "otypes.h" |
| 10 |
+ |
#include "bsdf.h" |
| 11 |
+ |
#include "random.h" |
| 12 |
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|
| 13 |
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#ifdef __cplusplus |
| 14 |
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extern "C" { |
| 21 |
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|
| 22 |
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struct illum_args { |
| 23 |
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int flags; /* flags from list above */ |
| 24 |
+ |
UpDir udir; /* up direction */ |
| 25 |
+ |
double thick; /* object thickness */ |
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char matname[MAXSTR]; /* illum material name */ |
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char datafile[MAXSTR]; /* distribution data file name */ |
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int dfnum; /* data file number */ |
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char altmat[MAXSTR]; /* alternate material name */ |
| 30 |
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int sampdens; /* point sample density */ |
| 31 |
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int nsamps; /* # of samples in each direction */ |
| 32 |
+ |
struct BSDF_data |
| 33 |
+ |
*sd; /* scattering data (if set) */ |
| 34 |
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float minbrt; /* minimum average brightness */ |
| 35 |
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COLOR col; /* computed average color */ |
| 36 |
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}; /* illum options */ |
| 37 |
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|
| 38 |
< |
extern void printobj(char *mod, register OBJREC *obj); |
| 39 |
< |
extern int average(register struct illum_args *il, COLORV *da, int n); |
| 38 |
> |
extern void redistribute(struct BSDF_data *b, int nalt, int nazi, |
| 39 |
> |
FVECT u, FVECT v, FVECT w, MAT4 xm); |
| 40 |
> |
|
| 41 |
> |
extern void printobj(char *mod, OBJREC *obj); |
| 42 |
> |
extern int average(struct illum_args *il, COLORV *da, int n); |
| 43 |
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extern void flatout(struct illum_args *il, COLORV *da, int n, int m, |
| 44 |
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FVECT u, FVECT v, FVECT w); |
| 45 |
< |
extern void illumout(register struct illum_args *il, OBJREC *ob); |
| 45 |
> |
extern void illumout(struct illum_args *il, OBJREC *ob); |
| 46 |
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extern void roundout(struct illum_args *il, COLORV *da, int n, int m); |
| 47 |
|
|
| 48 |
+ |
extern void newdist(int siz); |
| 49 |
+ |
extern int process_ray(RAY *r, int rv); |
| 50 |
+ |
extern void raysamp(int ndx, FVECT org, FVECT dir); |
| 51 |
+ |
extern void rayclean(void); |
| 52 |
+ |
|
| 53 |
+ |
extern void flatdir(FVECT dv, double alt, double azi); |
| 54 |
+ |
extern int flatindex(FVECT dv, int nalt, int nazi); |
| 55 |
+ |
|
| 56 |
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extern int my_default(OBJREC *, struct illum_args *, char *); |
| 57 |
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extern int my_face(OBJREC *, struct illum_args *, char *); |
| 58 |
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extern int my_sphere(OBJREC *, struct illum_args *, char *); |
| 59 |
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extern int my_ring(OBJREC *, struct illum_args *, char *); |
| 60 |
+ |
|
| 61 |
+ |
extern COLORV * distarr; /* distribution array */ |
| 62 |
+ |
extern int distsiz; |
| 63 |
+ |
extern COLORV * direct_discount; /* amount to take off direct */ |
| 64 |
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|
| 65 |
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extern char *progname; |
| 66 |
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|
