| 152 |
|
|
| 153 |
|
|
| 154 |
|
srcvalue(r) /* punch ray to source and compute value */ |
| 155 |
< |
RAY *r; |
| 155 |
> |
register RAY *r; |
| 156 |
|
{ |
| 157 |
|
register SRCREC *sp; |
| 158 |
|
|
| 161 |
|
/* check intersection */ |
| 162 |
|
if (!(*ofun[sp->so->otype].funp)(sp->so, r)) |
| 163 |
|
return; |
| 164 |
< |
raycont(r); /* compute contribution */ |
| 164 |
> |
if (!rayshade(r, r->ro->omod)) /* compute contribution */ |
| 165 |
> |
goto nomat; |
| 166 |
|
return; |
| 167 |
|
} |
| 168 |
|
/* compute intersection */ |
| 170 |
|
(*ofun[sp->so->otype].funp)(sp->so, r)) { |
| 171 |
|
if (sp->sa.success >= 0) |
| 172 |
|
sp->sa.success++; |
| 173 |
< |
raycont(r); /* compute contribution */ |
| 173 |
> |
if (!rayshade(r, r->ro->omod)) /* compute contribution */ |
| 174 |
> |
goto nomat; |
| 175 |
|
return; |
| 176 |
|
} |
| 177 |
+ |
/* we missed our mark! */ |
| 178 |
|
if (sp->sa.success < 0) |
| 179 |
|
return; /* bitched already */ |
| 180 |
|
sp->sa.success -= AIMREQT; |
| 183 |
|
sprintf(errmsg, "aiming failure for light source \"%s\"", |
| 184 |
|
sp->so->oname); |
| 185 |
|
error(WARNING, errmsg); /* issue warning */ |
| 186 |
+ |
return; |
| 187 |
+ |
nomat: |
| 188 |
+ |
objerror(r->ro, USER, "material not found"); |
| 189 |
|
} |
| 190 |
|
|
| 191 |
|
|
| 324 |
|
( sr.ro != source[scp->sno].so || |
| 325 |
|
source[scp->sno].sflags & SFOLLOW )) { |
| 326 |
|
/* follow entire path */ |
| 327 |
< |
raycont(&sr); |
| 327 |
> |
if (!raycont(&sr)) |
| 328 |
> |
objerror(sr.ro, USER, "material not found"); |
| 329 |
|
if (trace != NULL) |
| 330 |
|
(*trace)(&sr); /* trace execution */ |
| 331 |
|
if (bright(sr.rcol) <= FTINY) |
| 445 |
|
{ |
| 446 |
|
/* check for over-counting */ |
| 447 |
|
if (badcomponent(m, r)) |
| 448 |
< |
return; |
| 448 |
> |
return(1); |
| 449 |
|
if (wrongsource(m,r)) |
| 450 |
< |
return; |
| 450 |
> |
return(1); |
| 451 |
|
/* check for passed illum */ |
| 452 |
|
if (passillum(m, r)) { |
| 453 |
< |
if (m->oargs.nsargs < 1 || !strcmp(m->oargs.sarg[0], VOIDID)) |
| 454 |
< |
raytrans(r); |
| 455 |
< |
else |
| 456 |
< |
rayshade(r, modifier(m->oargs.sarg[0])); |
| 450 |
< |
return; |
| 453 |
> |
if (m->oargs.nsargs && strcmp(m->oargs.sarg[0], VOIDID)) |
| 454 |
> |
return(rayshade(r, modifier(m->oargs.sarg[0]))); |
| 455 |
> |
raytrans(r); |
| 456 |
> |
return(1); |
| 457 |
|
} |
| 458 |
|
/* otherwise treat as source */ |
| 459 |
|
/* check for behind */ |
| 460 |
|
if (r->rod < 0.0) |
| 461 |
< |
return; |
| 461 |
> |
return(1); |
| 462 |
|
/* check for invisibility */ |
| 463 |
|
if (srcignore(m, r)) |
| 464 |
< |
return; |
| 464 |
> |
return(1); |
| 465 |
|
/* check for outside spot */ |
| 466 |
|
if (m->otype==MAT_SPOT && spotout(r, makespot(m), r->rot>=FHUGE)) |
| 467 |
< |
return; |
| 467 |
> |
return(1); |
| 468 |
|
/* get distribution pattern */ |
| 469 |
|
raytexture(r, m->omod); |
| 470 |
|
/* get source color */ |
| 473 |
|
m->oargs.farg[2]); |
| 474 |
|
/* modify value */ |
| 475 |
|
multcolor(r->rcol, r->pcol); |
| 476 |
+ |
return(1); |
| 477 |
|
} |