| 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 |
| 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); |
| 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); |