42 |
|
int rsrc; /* source we're aiming for */ |
43 |
|
OBJECT *clipset; /* set of objects currently clipped */ |
44 |
|
OBJECT *newcset; /* next clipset, used for transmission */ |
45 |
+ |
void (*revf)(struct ray *); /* ray evaluation function */ |
46 |
|
void (*hitf)(OBJECT *, struct ray *); /* custom hit test */ |
47 |
|
OBJECT robj; /* intersected object number */ |
48 |
|
OBJREC *ro; /* intersected object (one with material) */ |
62 |
|
int *slights; /* list of lights to test for scattering */ |
63 |
|
} RAY; |
64 |
|
|
65 |
+ |
#define rayvalue(r) (*(r)->revf)(r) |
66 |
+ |
|
67 |
|
extern char VersionID[]; /* Radiance version ID string */ |
68 |
|
|
69 |
|
extern CUBE thescene; /* our scene */ |
85 |
|
|
86 |
|
extern int do_irrad; /* compute irradiance? */ |
87 |
|
|
88 |
+ |
extern int rand_samp; /* pure Monte Carlo sampling? */ |
89 |
+ |
|
90 |
|
extern double dstrsrc; /* square source distribution */ |
91 |
|
extern double shadthresh; /* shadow threshold */ |
92 |
|
extern double shadcert; /* shadow testing certainty */ |
129 |
|
|
130 |
|
typedef struct { /* rendering parameter holder */ |
131 |
|
int do_irrad; |
132 |
+ |
int rand_samp; |
133 |
|
double dstrsrc; |
134 |
|
double shadthresh; |
135 |
|
double shadcert; |
197 |
|
/* defined in raytrace.c */ |
198 |
|
extern int rayorigin(RAY *r, int rt, const RAY *ro, const COLOR rc); |
199 |
|
extern void rayclear(RAY *r); |
200 |
< |
extern void rayvalue(RAY *r); |
200 |
> |
extern void raytrace(RAY *r); |
201 |
|
extern void rayhit(OBJECT *oset, RAY *r); |
202 |
|
extern void raycont(RAY *r); |
203 |
|
extern void raytrans(RAY *r); |
205 |
|
extern void rayparticipate(RAY *r); |
206 |
|
extern void raytexture(RAY *r, OBJECT mod); |
207 |
|
extern int raymixture(RAY *r, OBJECT fore, OBJECT back, double coef); |
208 |
< |
extern void raycontrib(COLOR rc, const RAY *r, int flags); |
208 |
> |
extern void raycontrib(double rc[3], const RAY *r, int flags); |
209 |
|
extern double raydist(const RAY *r, int flags); |
210 |
|
extern double raynormal(FVECT norm, RAY *r); |
211 |
|
extern void newrayxf(RAY *r); |