| 27 |
|
typedef struct { |
| 28 |
|
int sno; /* source number */ |
| 29 |
|
FVECT dir; /* source direction */ |
| 30 |
< |
COLOR coef; /* material coefficient */ |
| 31 |
< |
COLOR val; /* contribution */ |
| 30 |
> |
SCOLOR coef; /* material coefficient */ |
| 31 |
> |
SCOLOR val; /* contribution */ |
| 32 |
|
} CONTRIB; /* direct contribution */ |
| 33 |
|
|
| 34 |
|
typedef struct { |
| 200 |
|
while (nsources--) |
| 201 |
|
freeobscache(&source[nsources]); |
| 202 |
|
#endif |
| 203 |
< |
free((void *)source); |
| 203 |
> |
free(source); |
| 204 |
|
source = NULL; |
| 205 |
|
nsources = 0; |
| 206 |
|
} |
| 207 |
|
markclip(NULL); |
| 208 |
|
if (maxcntr <= 0) |
| 209 |
|
return; |
| 210 |
< |
free((void *)srccnt); |
| 210 |
> |
free(srccnt); |
| 211 |
|
srccnt = NULL; |
| 212 |
< |
free((void *)cntord); |
| 212 |
> |
free(cntord); |
| 213 |
|
cntord = NULL; |
| 214 |
|
maxcntr = 0; |
| 215 |
|
} |
| 435 |
|
scp->sno = sr.rsrc; |
| 436 |
|
#if SHADCACHE /* check shadow cache */ |
| 437 |
|
if (si.np == 1 && srcblocked(&sr)) { |
| 438 |
< |
cntord[sn].brt = 0.0; |
| 438 |
> |
cntord[sn].brt = 0.0; /* & count as test */ |
| 439 |
> |
if (source[scp->sno].ntests++ > 0xfffffff0) { |
| 440 |
> |
source[scp->sno].ntests >>= 1; |
| 441 |
> |
source[scp->sno].nhits >>= 1; |
| 442 |
> |
} |
| 443 |
|
continue; |
| 444 |
|
} |
| 445 |
|
#endif |
| 446 |
|
/* compute coefficient */ |
| 447 |
|
(*f)(scp->coef, p, sr.rdir, si.dom); |
| 448 |
< |
cntord[sn].brt = intens(scp->coef); |
| 448 |
> |
cntord[sn].brt = sintens(scp->coef); |
| 449 |
|
if (cntord[sn].brt <= 0.0) |
| 450 |
|
continue; |
| 451 |
|
VCOPY(scp->dir, sr.rdir); |
| 452 |
< |
copycolor(sr.rcoef, scp->coef); |
| 452 |
> |
copyscolor(sr.rcoef, scp->coef); |
| 453 |
|
/* compute potential */ |
| 454 |
|
sr.revf = srcvalue; |
| 455 |
|
rayvalue(&sr); |
| 456 |
< |
multcolor(sr.rcol, sr.rcoef); |
| 457 |
< |
copycolor(scp->val, sr.rcol); |
| 458 |
< |
cntord[sn].brt = bright(sr.rcol); |
| 456 |
> |
smultscolor(sr.rcol, sr.rcoef); |
| 457 |
> |
copyscolor(scp->val, sr.rcol); |
| 458 |
> |
cntord[sn].brt = pbright(sr.rcol); |
| 459 |
|
} |
| 460 |
|
/* sort contributions */ |
| 461 |
|
qsort(cntord, sn, sizeof(CNTPTR), cntcmp); |
| 490 |
|
if (sn >= MINSHADCNT && |
| 491 |
|
(sn+nshadcheck>=ncnts ? cntord[sn].brt : |
| 492 |
|
cntord[sn].brt-cntord[sn+nshadcheck].brt) |
| 493 |
< |
< ourthresh*bright(r->rcol)) |
| 493 |
> |
< ourthresh*pbright(r->rcol)) |
| 494 |
|
break; |
| 495 |
|
scp = srccnt + cntord[sn].sndx; |
| 496 |
|
/* test for hit */ |
| 497 |
< |
rayorigin(&sr, SHADOW, r, NULL); |
| 498 |
< |
copycolor(sr.rcoef, scp->coef); |
| 497 |
> |
rayorigin(&sr, thrudir(r,scp->dir) ? TSHADOW : RSHADOW, r, NULL); |
| 498 |
> |
copyscolor(sr.rcoef, scp->coef); |
| 499 |
|
VCOPY(sr.rdir, scp->dir); |
| 500 |
|
sr.rsrc = scp->sno; |
| 501 |
|
/* keep statistics */ |
| 510 |
|
raycont(&sr); |
| 511 |
|
if (trace != NULL) |
| 512 |
|
(*trace)(&sr); /* trace execution */ |
| 513 |
< |
if (bright(sr.rcol) <= FTINY) { |
| 513 |
> |
if (scolor_mean(sr.rcol) <= FTINY) { |
| 514 |
|
#if SHADCACHE |
| 515 |
|
if ((scp <= srccnt || scp[-1].sno != scp->sno) |
| 516 |
|
&& (scp >= srccnt+ncnts-1 || |
| 520 |
|
continue; /* missed! */ |
| 521 |
|
} |
| 522 |
|
rayparticipate(&sr); |
| 523 |
< |
multcolor(sr.rcol, sr.rcoef); |
| 524 |
< |
copycolor(scp->val, sr.rcol); |
| 523 |
> |
smultscolor(sr.rcol, sr.rcoef); |
| 524 |
> |
copyscolor(scp->val, sr.rcol); |
| 525 |
|
} else if (trace != NULL && |
| 526 |
|
(source[scp->sno].sflags & (SDISTANT|SVIRTUAL|SFOLLOW)) |
| 527 |
|
== (SDISTANT|SFOLLOW) && |
| 530 |
|
/* skip call to rayparticipate() & scp->val update */ |
| 531 |
|
} |
| 532 |
|
/* add contribution if hit */ |
| 533 |
< |
addcolor(r->rcol, scp->val); |
| 533 |
> |
saddscolor(r->rcol, scp->val); |
| 534 |
|
nhits++; |
| 535 |
|
source[scp->sno].nhits++; |
| 536 |
|
} |
| 550 |
|
prob = hwt * (double)source[scp->sno].nhits / |
| 551 |
|
(double)source[scp->sno].ntests; |
| 552 |
|
if (prob < 1.0) |
| 553 |
< |
scalecolor(scp->val, prob); |
| 554 |
< |
addcolor(r->rcol, scp->val); |
| 553 |
> |
scalescolor(scp->val, prob); |
| 554 |
> |
saddscolor(r->rcol, scp->val); |
| 555 |
|
} |
| 556 |
|
} |
| 557 |
|
|
| 596 |
|
setcolor(cvext, re > 92. ? 0. : exp(-re), |
| 597 |
|
ge > 92. ? 0. : exp(-ge), |
| 598 |
|
be > 92. ? 0. : exp(-be)); |
| 599 |
< |
if (intens(cvext) <= FTINY) |
| 599 |
> |
if (intens(cvext) <= FTINY*FTINY) |
| 600 |
|
break; /* too far away */ |
| 601 |
|
sr.rorg[0] = r->rorg[0] + r->rdir[0]*t; |
| 602 |
|
sr.rorg[1] = r->rorg[1] + r->rdir[1]*t; |
| 603 |
|
sr.rorg[2] = r->rorg[2] + r->rdir[2]*t; |
| 604 |
|
|
| 605 |
|
if (!volumePhotonMapping) { |
| 606 |
+ |
if (srcskip(r->slights[i], r)) |
| 607 |
+ |
continue; |
| 608 |
|
initsrcindex(&si); /* sample ray to this source */ |
| 609 |
|
si.sn = r->slights[i]; |
| 610 |
|
nopart(&si, &sr); |
| 620 |
|
sr.gecc = r->gecc; |
| 621 |
|
sr.slights = r->slights; |
| 622 |
|
rayvalue(&sr); /* eval. source ray */ |
| 623 |
< |
if (bright(sr.rcol) <= FTINY) { |
| 623 |
> |
if (pbright(sr.rcol) <= FTINY) { |
| 624 |
|
#if SHADCACHE |
| 625 |
|
srcblocker(&sr); /* add blocker to cache */ |
| 626 |
|
#endif |
| 635 |
|
} |
| 636 |
|
/* other factors */ |
| 637 |
|
d *= si.dom * r->rot / (4.*PI*nsamps); |
| 638 |
< |
scalecolor(sr.rcol, d); |
| 638 |
> |
scalescolor(sr.rcol, d); |
| 639 |
|
} else { |
| 640 |
|
/* PMAP: Add ambient inscattering from |
| 641 |
|
* volume photons; note we reverse the |
| 646 |
|
sr.rdir [2] = -r -> rdir [2]; |
| 647 |
|
sr.gecc = r -> gecc; |
| 648 |
|
inscatterVolumePmap(&sr, sr.rcol); |
| 649 |
< |
scalecolor(sr.rcol, r -> rot / nsamps); |
| 649 |
> |
scalescolor(sr.rcol, r -> rot / nsamps); |
| 650 |
|
} |
| 651 |
< |
multcolor(sr.rcol, r->cext); |
| 652 |
< |
multcolor(sr.rcol, r->albedo); |
| 653 |
< |
multcolor(sr.rcol, cvext); |
| 654 |
< |
addcolor(r->rcol, sr.rcol); /* add it in */ |
| 651 |
> |
smultcolor(sr.rcol, r->cext); |
| 652 |
> |
smultcolor(sr.rcol, r->albedo); |
| 653 |
> |
smultcolor(sr.rcol, cvext); |
| 654 |
> |
saddscolor(r->rcol, sr.rcol); /* add it in */ |
| 655 |
|
} |
| 656 |
|
} |
| 657 |
|
samplendx = oldsampndx; |
| 752 |
|
{ |
| 753 |
|
/* check for over-counting */ |
| 754 |
|
if (badcomponent(m, r)) { |
| 755 |
< |
setcolor(r->rcoef, 0.0, 0.0, 0.0); |
| 755 |
> |
scolorblack(r->rcoef); |
| 756 |
|
return(1); |
| 757 |
|
} |
| 758 |
|
if (wrongsource(m, r)) { |
| 759 |
< |
setcolor(r->rcoef, 0.0, 0.0, 0.0); |
| 759 |
> |
scolorblack(r->rcoef); |
| 760 |
|
return(1); |
| 761 |
|
} |
| 762 |
|
/* check for passed illum */ |
| 768 |
|
} |
| 769 |
|
/* check for invisibility */ |
| 770 |
|
if (srcignore(m, r)) { |
| 771 |
< |
setcolor(r->rcoef, 0.0, 0.0, 0.0); |
| 771 |
> |
scolorblack(r->rcoef); |
| 772 |
|
return(1); |
| 773 |
|
} |
| 774 |
|
/* otherwise treat as source */ |
| 783 |
|
/* get distribution pattern */ |
| 784 |
|
raytexture(r, m->omod); |
| 785 |
|
/* get source color */ |
| 786 |
< |
setcolor(r->rcol, m->oargs.farg[0], |
| 786 |
> |
setscolor(r->rcol, m->oargs.farg[0], |
| 787 |
|
m->oargs.farg[1], |
| 788 |
|
m->oargs.farg[2]); |
| 789 |
|
/* modify value */ |
| 790 |
< |
multcolor(r->rcol, r->pcol); |
| 790 |
> |
smultscolor(r->rcol, r->pcol); |
| 791 |
|
return(1); |
| 792 |
|
} |