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Comparing ray/src/rt/source.c (file contents):
Revision 2.28 by gwlarson, Mon Aug 10 18:37:56 1998 UTC vs.
Revision 2.29 by greg, Sat Feb 22 02:07:29 2003 UTC

# Line 1 | Line 1
1 – /* Copyright (c) 1998 Silicon Graphics, Inc. */
2 –
1   #ifndef lint
2 < static char SCCSid[] = "$SunId$ SGI";
2 > static const char       RCSid[] = "$Id$";
3   #endif
6 –
4   /*
5   *  source.c - routines dealing with illumination sources.
6   *
7 < *     8/20/85
7 > *  External symbols declared in source.h
8   */
9  
10 + /* ====================================================================
11 + * The Radiance Software License, Version 1.0
12 + *
13 + * Copyright (c) 1990 - 2002 The Regents of the University of California,
14 + * through Lawrence Berkeley National Laboratory.   All rights reserved.
15 + *
16 + * Redistribution and use in source and binary forms, with or without
17 + * modification, are permitted provided that the following conditions
18 + * are met:
19 + *
20 + * 1. Redistributions of source code must retain the above copyright
21 + *         notice, this list of conditions and the following disclaimer.
22 + *
23 + * 2. Redistributions in binary form must reproduce the above copyright
24 + *       notice, this list of conditions and the following disclaimer in
25 + *       the documentation and/or other materials provided with the
26 + *       distribution.
27 + *
28 + * 3. The end-user documentation included with the redistribution,
29 + *           if any, must include the following acknowledgment:
30 + *             "This product includes Radiance software
31 + *                 (http://radsite.lbl.gov/)
32 + *                 developed by the Lawrence Berkeley National Laboratory
33 + *               (http://www.lbl.gov/)."
34 + *       Alternately, this acknowledgment may appear in the software itself,
35 + *       if and wherever such third-party acknowledgments normally appear.
36 + *
37 + * 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
38 + *       and "The Regents of the University of California" must
39 + *       not be used to endorse or promote products derived from this
40 + *       software without prior written permission. For written
41 + *       permission, please contact [email protected].
42 + *
43 + * 5. Products derived from this software may not be called "Radiance",
44 + *       nor may "Radiance" appear in their name, without prior written
45 + *       permission of Lawrence Berkeley National Laboratory.
46 + *
47 + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
48 + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
49 + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
50 + * DISCLAIMED.   IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
51 + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
52 + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
53 + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
54 + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
55 + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
56 + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
57 + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
58 + * SUCH DAMAGE.
59 + * ====================================================================
60 + *
61 + * This software consists of voluntary contributions made by many
62 + * individuals on behalf of Lawrence Berkeley National Laboratory.   For more
63 + * information on Lawrence Berkeley National Laboratory, please see
64 + * <http://www.lbl.gov/>.
65 + */
66 +
67   #include  "ray.h"
68  
15 – #include  "octree.h"
16 –
69   #include  "otypes.h"
70  
71   #include  "source.h"
# Line 47 | Line 99 | static CNTPTR  *cntord;                        /* source ordering in direct
99   static int  maxcntr = 0;                /* size of contribution arrays */
100  
101  
102 + void
103   marksources()                   /* find and mark source objects */
104   {
105          int  foundsource = 0;
# Line 125 | Line 178 | memerr:
178   }
179  
180  
181 + void
182 + freesources()                   /* free all source structures */
183 + {
184 +        if (nsources > 0) {
185 +                free((void *)source);
186 +                source = NULL;
187 +                nsources = 0;
188 +        }
189 +        if (maxcntr <= 0)
190 +                return;
191 +        free((void *)srccnt);
192 +        srccnt = NULL;
193 +        free((void *)cntord);
194 +        cntord = NULL;
195 +        maxcntr = 0;
196 + }
197 +
198 +
199 + int
200   srcray(sr, r, si)               /* send a ray to a source, return domega */
201   register RAY  *sr;              /* returned source ray */
202   RAY  *r;                        /* ray which hit object */
# Line 162 | Line 234 | SRCINDEX  *si;                 /* source sample index */
234   }
235  
236  
237 + void
238   srcvalue(r)                     /* punch ray to source and compute value */
239   register RAY  *r;
240   {
# Line 202 | Line 275 | nomat:
275   }
276  
277  
278 + int
279   sourcehit(r)                    /* check to see if ray hit distant source */
280   register RAY  *r;
281   {
# Line 250 | Line 324 | register CNTPTR  *sc1, *sc2;
324   }
325  
326  
327 + void
328   direct(r, f, p)                         /* add direct component */
329   RAY  *r;                        /* ray that hit surface */
330 < int  (*f)();                    /* direct component coefficient function */
330 > void  (*f)();                   /* direct component coefficient function */
331   char  *p;                       /* data for f */
332   {
333 <        extern int  (*trace)();
333 >        extern void  (*trace)();
334          register int  sn;
335          register CONTRIB  *scp;
336          SRCINDEX  si;
# Line 375 | Line 450 | char  *p;                      /* data for f */
450   }
451  
452  
453 + void
454   srcscatter(r)                   /* compute source scattering into ray */
455   register RAY  *r;
456   {
# Line 526 | Line 602 | return(o->otype==MAT_ILLUM|o->otype==MAT_GLOW);}
602                                  distglow(m, r, raydist(r,PRIMARY)))
603  
604  
605 + int
606   m_light(m, r)                   /* ray hit a light source */
607   register OBJREC  *m;
608   register RAY  *r;

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