| 1 |
– |
/* Copyright (c) 1995 Regents of the University of California */ |
| 2 |
– |
|
| 1 |
|
#ifndef lint |
| 2 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
| 2 |
> |
static const char RCSid[] = "$Id$"; |
| 3 |
|
#endif |
| 6 |
– |
|
| 4 |
|
/* |
| 5 |
|
* Routines for simulating virtual light sources |
| 6 |
|
* Thus far, we only support planar mirrors. |
| 7 |
+ |
* |
| 8 |
+ |
* External symbols declared in source.h |
| 9 |
|
*/ |
| 10 |
|
|
| 11 |
+ |
#include "copyright.h" |
| 12 |
+ |
|
| 13 |
|
#include "ray.h" |
| 14 |
|
|
| 14 |
– |
#include "octree.h" |
| 15 |
– |
|
| 15 |
|
#include "otypes.h" |
| 16 |
|
|
| 17 |
|
#include "source.h" |
| 22 |
|
#define STESTMAX 32 /* maximum seeks per sample */ |
| 23 |
|
|
| 24 |
|
|
| 26 |
– |
double getdisk(); |
| 27 |
– |
|
| 25 |
|
static OBJECT *vobject; /* virtual source objects */ |
| 26 |
|
static int nvobjects = 0; /* number of virtual source objects */ |
| 27 |
|
|
| 28 |
|
|
| 29 |
+ |
void |
| 30 |
|
markvirtuals() /* find and mark virtual sources */ |
| 31 |
|
{ |
| 32 |
|
register OBJREC *o; |
| 64 |
|
for (i = nsources; i-- > 0; ) |
| 65 |
|
addvirtuals(i, directrelay); |
| 66 |
|
/* done with our object list */ |
| 67 |
< |
free((char *)vobject); |
| 67 |
> |
free((void *)vobject); |
| 68 |
|
nvobjects = 0; |
| 69 |
|
} |
| 70 |
|
|
| 71 |
|
|
| 72 |
+ |
void |
| 73 |
|
addvirtuals(sn, nr) /* add virtuals associated with source */ |
| 74 |
|
int sn; |
| 75 |
|
int nr; |
| 87 |
|
} |
| 88 |
|
|
| 89 |
|
|
| 90 |
+ |
void |
| 91 |
|
vproject(o, sn, n) /* create projected source(s) if they exist */ |
| 92 |
|
OBJREC *o; |
| 93 |
|
int sn; |
| 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])) == OVOID) |
| 129 |
> |
(i = lastmod(objndx(m), m->oargs.sarg[0])) == OVOID) |
| 130 |
|
return(m); /* direct modifier */ |
| 131 |
|
return(objptr(i)); /* illum alternate */ |
| 132 |
|
} |
| 157 |
|
normalize(nsloc); |
| 158 |
|
VCOPY(ourspot.aim, ocent); |
| 159 |
|
ourspot.siz = PI*maxrad2; |
| 160 |
< |
ourspot.flen = 0.; |
| 160 |
> |
ourspot.flen = -1.; |
| 161 |
|
if (source[sn].sflags & SSPOT) { |
| 162 |
|
multp3(theirspot.aim, source[sn].sl.s->aim, pm); |
| 163 |
|
/* adjust for source size */ |
| 395 |
|
|
| 396 |
|
|
| 397 |
|
#ifdef DEBUG |
| 398 |
+ |
void |
| 399 |
|
virtverb(sn, fp) /* print verbose description of virtual source */ |
| 400 |
|
register int sn; |
| 401 |
|
FILE *fp; |
