| 51 |
|
setcolor(r->rcoef, 1., 1., 1.); |
| 52 |
|
} else { |
| 53 |
|
rw = intens(rc); |
| 54 |
+ |
if (rw > 1.0) |
| 55 |
+ |
rw = 1.0; /* avoid calculation growth */ |
| 56 |
|
if (rc != r->rcoef) |
| 57 |
|
copycolor(r->rcoef, rc); |
| 58 |
|
} |
| 110 |
|
if (r->crtype & SHADOW) /* shadow commitment */ |
| 111 |
|
return(0); |
| 112 |
|
/* ambient in photon map? */ |
| 113 |
< |
if (r->crtype & AMBIENT && photonMapping) |
| 114 |
< |
return(-1); |
| 113 |
> |
if (ro != NULL && ro->crtype & AMBIENT) { |
| 114 |
> |
if (causticPhotonMapping) |
| 115 |
> |
return(-1); |
| 116 |
> |
if (photonMapping && rt != TRANS) |
| 117 |
> |
return(-1); |
| 118 |
> |
} |
| 119 |
|
if (maxdepth <= 0 && rc != NULL) { /* Russian roulette */ |
| 120 |
|
if (minweight <= 0.0) |
| 121 |
|
error(USER, "zero ray weight in Russian roulette"); |
| 199 |
|
} |
| 200 |
|
|
| 201 |
|
|
| 202 |
+ |
/* Macro for test to see if BSDF material uses proxy */ |
| 203 |
+ |
#define isBSDFproxy(m) ((m)->otype == MAT_BSDF && (m)->oargs.nsargs && \ |
| 204 |
+ |
strcmp((m)->oargs.sarg[0], "0")) |
| 205 |
+ |
|
| 206 |
+ |
|
| 207 |
|
int |
| 208 |
|
rayshade( /* shade ray r with material mod */ |
| 209 |
|
RAY *r, |
| 212 |
|
{ |
| 213 |
|
OBJREC *m; |
| 214 |
|
|
| 215 |
< |
r->rt = r->rot; /* set effective ray length */ |
| 215 |
> |
r->rt = r->rot; /* preset effective ray length */ |
| 216 |
|
for ( ; mod != OVOID; mod = m->omod) { |
| 217 |
|
m = objptr(mod); |
| 218 |
|
/****** unnecessary test since modifier() is always called |
| 223 |
|
******/ |
| 224 |
|
/* hack for irradiance calculation */ |
| 225 |
|
if (do_irrad && !(r->crtype & ~(PRIMARY|TRANS)) && |
| 226 |
+ |
(ofun[m->otype].flags & (T_M|T_X)) && |
| 227 |
|
m->otype != MAT_CLIP && |
| 228 |
< |
(ofun[m->otype].flags & (T_M|T_X))) { |
| 228 |
> |
!isBSDFproxy(m)) { |
| 229 |
|
if (irr_ignore(m->otype)) { |
| 230 |
|
raytrans(r); |
| 231 |
|
return(1); |