| 41 |
|
o = objptr(i); |
| 42 |
|
if (!issurface(o->otype) || o->omod == OVOID) |
| 43 |
|
continue; |
| 44 |
< |
if (!isvlight(objptr(o->omod)->otype)) |
| 44 |
> |
if (!isvlight(vsmaterial(o)->otype)) |
| 45 |
|
continue; |
| 46 |
|
if (sfun[o->otype].of == NULL || |
| 47 |
|
sfun[o->otype].of->getpleq == NULL) { |
| 101 |
|
if (o == source[sn].so) /* objects cannot project themselves */ |
| 102 |
|
return; |
| 103 |
|
/* get virtual source material */ |
| 104 |
< |
vsmat = sfun[objptr(o->omod)->otype].mf; |
| 104 |
> |
vsmat = sfun[vsmaterial(o)->otype].mf; |
| 105 |
|
/* project virtual sources */ |
| 106 |
|
for (i = 0; i < vsmat->nproj; i++) |
| 107 |
|
if ((*vsmat->vproj)(proj, o, &source[sn], i)) |
| 115 |
|
} |
| 116 |
|
|
| 117 |
|
|
| 118 |
+ |
OBJREC * |
| 119 |
+ |
vsmaterial(o) /* get virtual source material pointer */ |
| 120 |
+ |
OBJREC *o; |
| 121 |
+ |
{ |
| 122 |
+ |
register int i; |
| 123 |
+ |
register OBJREC *m; |
| 124 |
+ |
|
| 125 |
+ |
i = o->omod; |
| 126 |
+ |
m = objptr(i); |
| 127 |
+ |
if (m->otype != MAT_ILLUM || m->oargs.nsargs < 1 || |
| 128 |
+ |
!strcmp(m->oargs.sarg[0], VOIDID) || |
| 129 |
+ |
(i = modifier(m->oargs.sarg[0])) < 0) |
| 130 |
+ |
return(m); /* direct modifier */ |
| 131 |
+ |
return(objptr(i)); /* illum alternate */ |
| 132 |
+ |
} |
| 133 |
+ |
|
| 134 |
+ |
|
| 135 |
|
int |
| 136 |
|
makevsrc(op, sn, pm) /* make virtual source if reasonable */ |
| 137 |
|
OBJREC *op; |
| 160 |
|
ourspot.flen = 0.; |
| 161 |
|
if (source[sn].sflags & SSPOT) { |
| 162 |
|
multp3(theirspot.aim, source[sn].sl.s->aim, pm); |
| 163 |
+ |
/* adjust for source size */ |
| 164 |
|
d = sqrt(dist2(ourspot.aim, theirspot.aim)); |
| 165 |
|
d = sqrt(source[sn].sl.s->siz/PI) + d*source[sn].srad; |
| 166 |
|
theirspot.siz = PI*d*d; |
| 187 |
|
if (source[sn].sflags & SPROX && d > source[sn].sl.prox) |
| 188 |
|
return(-1); /* too far away */ |
| 189 |
|
ourspot.flen = 0.; |
| 190 |
+ |
/* adjust for source size */ |
| 191 |
|
d = (sqrt(maxrad2) + source[sn].srad) / d; |
| 192 |
|
if (d < 1.-FTINY) |
| 193 |
|
ourspot.siz = 2.*PI*(1. - sqrt(1.-d*d)); |
| 239 |
|
VCOPY(source[i].snorm, nsnorm); |
| 240 |
|
else |
| 241 |
|
multv3(source[i].ss[SW], source[sn].ss[SW], pm); |
| 242 |
+ |
source[i].srad = source[sn].srad; |
| 243 |
|
source[i].ss2 = source[sn].ss2; |
| 244 |
|
if (nsflags & SSPOT) { |
| 245 |
|
if ((source[i].sl.s = (SPOT *)malloc(sizeof(SPOT))) == NULL) |
| 366 |
|
/* check against source */ |
| 367 |
|
initsrcindex(&si); |
| 368 |
|
si.sn = sn; |
| 369 |
< |
nopart(&si, sr.rorg); |
| 369 |
> |
nopart(&si, &sr); |
| 370 |
|
samplendx++; |
| 371 |
|
if (!srcray(&sr, NULL, &si) || sr.rsrc != sn) |
| 372 |
|
continue; |