[ViewVC] Diff of: Development/ray/src/rt/source.c

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

-–
+/* Copyright (c) 1998 Silicon Graphics, Inc. */
-–
+#ifndef lint
-<
+static char SCCSid[] = "$SunId$ SGI";
->
+static const char       RCSid[] = "$Id$";
+#endif
-–
+/*
+ *  source.c - routines dealing with illumination sources.
-<
+ *     8/20/85
->
+ *  External symbols declared in source.h
+ */
-+
+/* ====================================================================
-+
+ * The Radiance Software License, Version 1.0
-+
+ *
-+
+ * Copyright (c) 1990 - 2002 The Regents of the University of California,
-+
+ * through Lawrence Berkeley National Laboratory.   All rights reserved.
-+
+ *
-+
+ * Redistribution and use in source and binary forms, with or without
-+
+ * modification, are permitted provided that the following conditions
-+
+ * are met:
-+
+ *
-+
+ * 1. Redistributions of source code must retain the above copyright
-+
+ *         notice, this list of conditions and the following disclaimer.
-+
+ *
-+
+ * 2. Redistributions in binary form must reproduce the above copyright
-+
+ *       notice, this list of conditions and the following disclaimer in
-+
+ *       the documentation and/or other materials provided with the
-+
+ *       distribution.
-+
+ *
-+
+ * 3. The end-user documentation included with the redistribution,
-+
+ *           if any, must include the following acknowledgment:
-+
+ *             "This product includes Radiance software
-+
+ *                 (http://radsite.lbl.gov/)
-+
+ *                 developed by the Lawrence Berkeley National Laboratory
-+
+ *               (http://www.lbl.gov/)."
-+
+ *       Alternately, this acknowledgment may appear in the software itself,
-+
+ *       if and wherever such third-party acknowledgments normally appear.
-+
+ *
-+
+ * 4. The names "Radiance," "Lawrence Berkeley National Laboratory"
-+
+ *       and "The Regents of the University of California" must
-+
+ *       not be used to endorse or promote products derived from this
-+
+ *       software without prior written permission. For written
-+
+ *       permission, please contact [email protected].
-+
+ *
-+
+ * 5. Products derived from this software may not be called "Radiance",
-+
+ *       nor may "Radiance" appear in their name, without prior written
-+
+ *       permission of Lawrence Berkeley National Laboratory.
-+
+ *
-+
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
-+
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
-+
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-+
+ * DISCLAIMED.   IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR
-+
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-+
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-+
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
-+
+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
-+
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-+
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
-+
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-+
+ * SUCH DAMAGE.
-+
+ * ====================================================================
-+
+ *
-+
+ * This software consists of voluntary contributions made by many
-+
+ * individuals on behalf of Lawrence Berkeley National Laboratory.   For more
-+
+ * information on Lawrence Berkeley National Laboratory, please see
-+
+ * <http://www.lbl.gov/>.
-+
+ */
-+
+#include  "ray.h"
-–
+#include  "octree.h"
-–
+#include  "otypes.h"
+#include  "source.h"
+static int  maxcntr = 0;                /* size of contribution arrays */
-+
+void
+marksources()                   /* find and mark source objects */
+        int  foundsource = 0;
-+
+void
-+
+freesources()                   /* free all source structures */
-+
+{
-+
+        if (nsources > 0) {
-+
+                free((void *)source);
-+
+                source = NULL;
-+
+                nsources = 0;
-+
+        }
-+
+        if (maxcntr <= 0)
-+
+                return;
-+
+        free((void *)srccnt);
-+
+        srccnt = NULL;
-+
+        free((void *)cntord);
-+
+        cntord = NULL;
-+
+        maxcntr = 0;
-+
+}
-+
-+
-+
+int
+srcray(sr, r, si)               /* send a ray to a source, return domega */
+register RAY  *sr;              /* returned source ray */
+RAY  *r;                        /* ray which hit object */
-+
+void
+srcvalue(r)                     /* punch ray to source and compute value */
+register RAY  *r;
-+
+int
+sourcehit(r)                    /* check to see if ray hit distant source */
+register RAY  *r;
-+
+void
+direct(r, f, p)                         /* add direct component */
+RAY  *r;                        /* ray that hit surface */
-<
+int  (*f)();                    /* direct component coefficient function */
->
+void  (*f)();                   /* direct component coefficient function */
+char  *p;                       /* data for f */
-<
+        extern int  (*trace)();
->
+        extern void  (*trace)();
+        register int  sn;
+        register CONTRIB  *scp;
+        SRCINDEX  si;
-+
+void
+srcscatter(r)                   /* compute source scattering into ray */
+register RAY  *r;
+                                distglow(m, r, raydist(r,PRIMARY)))
-+
+int
+m_light(m, r)                   /* ray hit a light source */
+register OBJREC  *m;
+register RAY  *r;

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines (old)
->
+Changed lines (new)

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

Diff Legend

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