| 109 |
|
register int i; |
| 110 |
|
|
| 111 |
|
src->sflags = 0; |
| 112 |
+ |
src->aimsuccess = 2*AIMREQT-1; /* bitch on second failure */ |
| 113 |
|
src->nhits = 1; src->ntests = 2; /* start probability = 1/2 */ |
| 114 |
|
src->so = so; |
| 115 |
|
|
| 215 |
|
} |
| 216 |
|
if (dstrsrc > FTINY) { |
| 217 |
|
/* distribute source direction */ |
| 218 |
< |
for (i = 0; i < 3; i++) |
| 219 |
< |
vd[i] = dstrsrc * source[sn].ss * (1.0 - 2.0*frandom()); |
| 220 |
< |
|
| 218 |
> |
dimlist[ndims++] = sn; |
| 219 |
> |
for (i = 0; i < 3; i++) { |
| 220 |
> |
dimlist[ndims] = i + 8831; |
| 221 |
> |
vd[i] = dstrsrc * source[sn].ss * |
| 222 |
> |
(1.0 - 2.0*urand(ilhash(dimlist,ndims+1)+samplendx)); |
| 223 |
> |
} |
| 224 |
> |
ndims--; |
| 225 |
|
if (norm != NULL) { /* project offset */ |
| 226 |
|
d = DOT(vd, norm); |
| 227 |
|
for (i = 0; i < 3; i++) |
| 342 |
|
if (cntord[sn].brt <= 0.0) |
| 343 |
|
continue; |
| 344 |
|
/* compute intersection */ |
| 345 |
< |
if (!( source[sn].sflags & SDISTANT ? |
| 345 |
> |
if (source[sn].sflags & SDISTANT ? |
| 346 |
|
sourcehit(&sr) : |
| 347 |
|
(*ofun[source[sn].so->otype].funp) |
| 348 |
< |
(source[sn].so, &sr) )) { |
| 348 |
> |
(source[sn].so, &sr)) { |
| 349 |
> |
if (source[sn].aimsuccess >= 0) |
| 350 |
> |
source[sn].aimsuccess++; |
| 351 |
> |
} else { |
| 352 |
> |
cntord[sn].brt = 0.0; |
| 353 |
> |
if (source[sn].aimsuccess < 0) |
| 354 |
> |
continue; /* bitched already */ |
| 355 |
> |
source[sn].aimsuccess -= AIMREQT; |
| 356 |
> |
if (source[sn].aimsuccess >= 0) |
| 357 |
> |
continue; /* leniency */ |
| 358 |
|
sprintf(errmsg, |
| 359 |
|
"aiming failure for light source \"%s\"", |
| 360 |
|
source[sn].so->oname); |
| 361 |
|
error(WARNING, errmsg); |
| 348 |
– |
cntord[sn].brt = 0.0; |
| 362 |
|
continue; |
| 363 |
|
} |
| 364 |
|
/* compute contribution */ |
