310 |
|
double prob, ourthresh, hwt, test2, hit2; |
311 |
|
RAY sr; |
312 |
|
|
313 |
+ |
if (nsources <= 0) |
314 |
+ |
return; |
315 |
|
srccnt = (CONTRIB *)malloc(nsources*sizeof(CONTRIB)); |
316 |
|
cntord = (CNTPTR *)malloc(nsources*sizeof(CNTPTR)); |
317 |
|
if (srccnt == NULL || cntord == NULL) |
340 |
|
(source[sn].so, &sr) )) |
341 |
|
continue; |
342 |
|
/* compute contribution */ |
343 |
< |
rayshade(&sr, sr.ro->omod); |
343 |
> |
raycont(&sr); |
344 |
|
multcolor(srccnt[sn].val, sr.rcol); |
345 |
|
cntord[sn].brt = bright(srccnt[sn].val); |
346 |
|
} |
378 |
|
/* test for hit */ |
379 |
|
rayorigin(&sr, r, SHADOW, 1.0); |
380 |
|
VCOPY(sr.rdir, srccnt[cntord[sn].sno].dir); |
381 |
+ |
sr.rsrc = cntord[sn].sno; |
382 |
|
if (localhit(&sr, &thescene) && |
383 |
|
sr.ro != source[cntord[sn].sno].so) { |
384 |
|
/* check for transmission */ |
385 |
< |
rayshade(&sr, sr.ro->omod); |
385 |
> |
raycont(&sr); |
386 |
|
if (bright(sr.rcol) <= FTINY) |
387 |
|
continue; /* missed! */ |
388 |
|
(*f)(srccnt[cntord[sn].sno].val, p, |
431 |
|
register OBJREC *m; |
432 |
|
register RAY *r; |
433 |
|
{ |
431 |
– |
/* check for behind */ |
432 |
– |
if (r->rod < 0.0) |
433 |
– |
return; |
434 |
|
/* check for over-counting */ |
435 |
|
if (wrongsource(m, r) || badambient(m, r)) |
436 |
|
return; |
444 |
|
|
445 |
|
/* otherwise treat as source */ |
446 |
|
} else { |
447 |
+ |
/* check for behind */ |
448 |
+ |
if (r->rod < 0.0) |
449 |
+ |
return; |
450 |
|
/* get distribution pattern */ |
451 |
|
raytexture(r, m->omod); |
452 |
|
/* get source color */ |
455 |
|
m->oargs.farg[2]); |
456 |
|
/* modify value */ |
457 |
|
multcolor(r->rcol, r->pcol); |
458 |
+ |
/* assign distance */ |
459 |
+ |
r->rt = r->rot; |
460 |
|
} |
461 |
|
} |
462 |
|
|