| 16 |
|
#endif |
| 17 |
|
|
| 18 |
|
#ifndef RNUMBER |
| 19 |
< |
#define RNUMBER unsigned long /* ray counter (>= sizeof pointer) */ |
| 19 |
> |
#define RNUMBER size_t /* ray counter (>= sizeof pointer) */ |
| 20 |
|
#endif |
| 21 |
|
|
| 22 |
< |
#define MAXDIM 32 /* maximum number of dimensions */ |
| 22 |
> |
#define MAXDIM 32 /* maximum number of sampling dimensions */ |
| 23 |
|
|
| 24 |
|
/* ray type flags */ |
| 25 |
|
#define PRIMARY 01 /* original ray */ |
| 61 |
|
int rsrc; /* source we're aiming for */ |
| 62 |
|
float rweight; /* cumulative weight (for termination) */ |
| 63 |
|
float gecc; /* scattering eccentricity coefficient */ |
| 64 |
< |
COLOR rcoef; /* contribution coefficient w.r.t. parent */ |
| 65 |
< |
COLOR pcol; /* pattern color */ |
| 66 |
< |
COLOR mcol; /* mirrored color contribution */ |
| 67 |
< |
COLOR rcol; /* returned radiance value */ |
| 64 |
> |
SCOLOR rcoef; /* contribution coefficient w.r.t. parent */ |
| 65 |
> |
SCOLOR pcol; /* pattern color */ |
| 66 |
> |
SCOLOR mcol; /* mirrored color contribution */ |
| 67 |
> |
SCOLOR rcol; /* returned radiance value */ |
| 68 |
|
COLOR cext; /* medium extinction coefficient */ |
| 69 |
|
COLOR albedo; /* medium scattering albedo */ |
| 70 |
|
short rflips; /* surface orientation has been reversed */ |
| 75 |
|
|
| 76 |
|
#define rayvalue(r) (*(r)->revf)(r) |
| 77 |
|
|
| 78 |
< |
#define raydistance(r) (bright((r)->mcol) > 0.5*bright((r)->rcol) ? \ |
| 78 |
> |
#define raydistance(r) (pbright((r)->mcol) > 0.5*pbright((r)->rcol) ? \ |
| 79 |
|
(r)->rmt : (r)->rxt) |
| 80 |
|
|
| 81 |
|
#define rayreorient(r) if ((r)->rflips & 1) flipsurface(r); else |
| 82 |
|
|
| 83 |
< |
extern char VersionID[]; /* Radiance version ID string */ |
| 83 |
> |
extern char VersionID[]; /* Radiance version ID string */ |
| 84 |
> |
extern char RFeatureList[]; /* newline-separated feature list */ |
| 85 |
|
|
| 86 |
|
extern CUBE thescene; /* our scene */ |
| 87 |
|
extern OBJECT nsceneobjs; /* number of objects in our scene */ |
| 92 |
|
extern OBJREC Lamb; /* a Lambertian surface */ |
| 93 |
|
extern OBJREC Aftplane; /* aft clipping object */ |
| 94 |
|
|
| 95 |
< |
extern void (*trace)(); /* global trace reporting callback */ |
| 95 |
> |
extern void (*trace)(RAY*); /* global trace reporting callback */ |
| 96 |
|
|
| 97 |
|
extern int dimlist[]; /* dimension list for distribution */ |
| 98 |
|
extern int ndims; /* number of dimensions so far */ |
| 99 |
|
extern int samplendx; /* index for this sample */ |
| 100 |
|
|
| 100 |
– |
extern int ray_savesiz; /* size of parameter save buffer */ |
| 101 |
– |
|
| 101 |
|
extern int do_irrad; /* compute irradiance? */ |
| 102 |
|
|
| 103 |
|
extern int rand_samp; /* pure Monte Carlo sampling? */ |
| 185 |
|
extern void openheader(void); |
| 186 |
|
extern void dupheader(void); |
| 187 |
|
/* defined in persist.c */ |
| 188 |
< |
extern void persistfile(char *pfn); |
| 188 |
> |
extern void persistfile(char *pfn); |
| 189 |
|
extern void pfdetach(void); |
| 190 |
|
extern void pfclean(void); |
| 191 |
|
extern void pflock(int lf); |
| 217 |
|
extern int ray_fifo_in(RAY *r); |
| 218 |
|
extern int ray_fifo_flush(void); |
| 219 |
|
/* defined in raytrace.c */ |
| 220 |
< |
extern int rayorigin(RAY *r, int rt, const RAY *ro, const COLOR rc); |
| 220 |
> |
extern int rayorigin(RAY *r, int rt, const RAY *ro, const SCOLOR rc); |
| 221 |
|
extern void rayclear(RAY *r); |
| 222 |
|
extern void raytrace(RAY *r); |
| 223 |
+ |
extern int rayreject(OBJREC *o, RAY *r, double t, double rod); |
| 224 |
|
extern void rayhit(OBJECT *oset, RAY *r); |
| 225 |
|
extern void raycont(RAY *r); |
| 226 |
|
extern void raytrans(RAY *r); |
| 229 |
|
extern void rayparticipate(RAY *r); |
| 230 |
|
extern void raytexture(RAY *r, OBJECT mod); |
| 231 |
|
extern int raymixture(RAY *r, OBJECT fore, OBJECT back, double coef); |
| 232 |
< |
extern void raycontrib(RREAL rc[3], const RAY *r, int flags); |
| 232 |
> |
extern void raycontrib(SCOLOR rc, const RAY *r, int flags); |
| 233 |
|
extern double raydist(const RAY *r, int flags); |
| 234 |
|
extern double raynormal(FVECT norm, RAY *r); |
| 235 |
|
extern void newrayxf(RAY *r); |
| 236 |
|
extern void flipsurface(RAY *r); |
| 237 |
|
extern int localhit(RAY *r, CUBE *scene); |
| 238 |
|
/* defined in renderopts.c */ |
| 239 |
+ |
extern int feature_status(int ac, char *av[]); |
| 240 |
|
extern int getrenderopt(int ac, char *av[]); |
| 241 |
|
extern void print_rdefaults(void); |
| 242 |
|
/* defined in srcdraw.c */ |
| 243 |
|
extern void drawsources(COLOR *pic[], float *zbf[], |
| 244 |
|
int x0, int xsiz, int y0, int ysiz); |
| 245 |
< |
extern void init_drawsources(int rad); |
| 245 |
> |
extern void init_drawsources(int rad); |
| 246 |
|
/* defined in rt/initotypes.c */ |
| 247 |
< |
extern void initotypes(void); |
| 247 |
> |
extern void initotypes(void); |
| 248 |
|
/* module main procedures */ |
| 249 |
|
extern void rtrace(char *fname, int nproc); |
| 250 |
< |
extern char *formstr(int f); |
| 250 |
> |
extern const char *formstr(int f); |
| 251 |
|
extern void rview(void); |
| 252 |
|
extern void rpict(int seq, char *pout, char *zout, char *prvr); |
| 253 |
|
|
