| 338 |
|
register int sn; |
| 339 |
|
int nshadcheck, ncnts; |
| 340 |
|
int nhits; |
| 341 |
< |
double prob, ourthresh, hwt; |
| 341 |
> |
double dom, prob, ourthresh, hwt; |
| 342 |
|
RAY sr; |
| 343 |
|
/* NOTE: srccnt and cntord global so no recursion */ |
| 344 |
|
if (nsources <= 0) |
| 352 |
|
cntord[sn].sno = sn; |
| 353 |
|
cntord[sn].brt = 0.0; |
| 354 |
|
/* get source ray */ |
| 355 |
< |
if ((srccnt[sn].dom = srcray(&sr, r, sn)) == 0.0) |
| 355 |
> |
if ((dom = srcray(&sr, r, sn)) == 0.0) |
| 356 |
|
continue; |
| 357 |
|
VCOPY(srccnt[sn].dir, sr.rdir); |
| 358 |
|
/* compute coefficient */ |
| 359 |
< |
(*f)(srccnt[sn].val, p, srccnt[sn].dir, srccnt[sn].dom); |
| 360 |
< |
cntord[sn].brt = bright(srccnt[sn].val); |
| 359 |
> |
(*f)(srccnt[sn].coef, p, srccnt[sn].dir, dom); |
| 360 |
> |
cntord[sn].brt = bright(srccnt[sn].coef); |
| 361 |
|
if (cntord[sn].brt <= 0.0) |
| 362 |
|
continue; |
| 363 |
|
/* compute contribution */ |
| 364 |
|
srcvalue(&sr); |
| 365 |
< |
multcolor(srccnt[sn].val, sr.rcol); |
| 365 |
> |
copycolor(srccnt[sn].val, sr.rcol); |
| 366 |
> |
multcolor(srccnt[sn].val, srccnt[sn].coef); |
| 367 |
|
cntord[sn].brt = bright(srccnt[sn].val); |
| 368 |
|
} |
| 369 |
|
/* sort contributions */ |
| 404 |
|
raycont(&sr); |
| 405 |
|
if (bright(sr.rcol) <= FTINY) |
| 406 |
|
continue; /* missed! */ |
| 407 |
< |
(*f)(srccnt[cntord[sn].sno].val, p, |
| 408 |
< |
srccnt[cntord[sn].sno].dir, |
| 409 |
< |
srccnt[cntord[sn].sno].dom); |
| 409 |
< |
multcolor(srccnt[cntord[sn].sno].val, sr.rcol); |
| 407 |
> |
copycolor(srccnt[cntord[sn].sno].val, sr.rcol); |
| 408 |
> |
multcolor(srccnt[cntord[sn].sno].val, |
| 409 |
> |
srccnt[cntord[sn].sno].coef); |
| 410 |
|
} |
| 411 |
|
/* add contribution if hit */ |
| 412 |
|
addcolor(r->rcol, srccnt[cntord[sn].sno].val); |
