329 |
|
/* compute coefficient */ |
330 |
|
(*f)(srccnt[sn].val, p, srccnt[sn].dir, srccnt[sn].dom); |
331 |
|
cntord[sn].brt = bright(srccnt[sn].val); |
332 |
< |
if (cntord[sn].brt <= FTINY) |
332 |
> |
if (cntord[sn].brt <= 0.0) |
333 |
|
continue; |
334 |
|
/* compute intersection */ |
335 |
|
if (!( source[sn].sflags & SDISTANT ? |
344 |
|
} |
345 |
|
/* sort contributions */ |
346 |
|
qsort(cntord, nsources, sizeof(CNTPTR), cntcmp); |
347 |
< |
/* find last */ |
348 |
< |
sn = 0; ncnts = nsources; |
349 |
< |
while (sn < ncnts-1) { |
350 |
< |
register int m; |
351 |
< |
m = (sn + ncnts) >> 1; |
352 |
< |
if (cntord[m].brt > 0.0) |
353 |
< |
sn = m; |
354 |
< |
else |
355 |
< |
ncnts = m; |
356 |
< |
} |
347 |
> |
{ /* find last */ |
348 |
> |
register int l, m; |
349 |
> |
|
350 |
> |
sn = 0; ncnts = l = nsources; |
351 |
> |
while ((m = (sn + ncnts) >> 1) != l) { |
352 |
> |
if (cntord[m].brt > 0.0) |
353 |
> |
sn = m; |
354 |
> |
else |
355 |
> |
ncnts = m; |
356 |
> |
l = m; |
357 |
> |
} |
358 |
> |
} |
359 |
|
/* accumulate tail */ |
360 |
|
for (sn = ncnts-1; sn > 0; sn--) |
361 |
|
cntord[sn-1].brt += cntord[sn].brt; |
379 |
|
if (localhit(&sr, &thescene) && |
380 |
|
sr.ro != source[cntord[sn].sno].so) { |
381 |
|
/* check for transmission */ |
382 |
< |
if (sr.clipset != NULL && inset(sr.clipset,sr.ro->omod)) |
381 |
< |
raytrans(&sr); /* object is clipped */ |
382 |
< |
else |
383 |
< |
rayshade(&sr, sr.ro->omod); |
382 |
> |
rayshade(&sr, sr.ro->omod); |
383 |
|
if (bright(sr.rcol) <= FTINY) |
384 |
|
continue; /* missed! */ |
385 |
|
(*f)(srccnt[cntord[sn].sno].val, p, |