--- ray/src/rt/m_clip.c 2003/02/22 02:07:28 2.5 +++ ray/src/rt/m_clip.c 2004/03/30 16:13:01 2.8 @@ -1,68 +1,14 @@ #ifndef lint -static const char RCSid[] = "$Id: m_clip.c,v 2.5 2003/02/22 02:07:28 greg Exp $"; +static const char RCSid[] = "$Id: m_clip.c,v 2.8 2004/03/30 16:13:01 schorsch Exp $"; #endif /* * m_clip.c - routine for clipped (cut) objects. */ -/* ==================================================================== - * 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 radiance@radsite.lbl.gov. - * - * 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 - * . - */ +#include "copyright.h" #include "ray.h" +#include "rtotypes.h" /* * Clipping objects permit holes and sections to be taken out @@ -73,10 +19,11 @@ static const char RCSid[] = "$Id: m_clip.c,v 2.5 2003/ */ -int -m_clip(m, r) /* clip objects from ray */ -register OBJREC *m; -register RAY *r; +extern int +m_clip( /* clip objects from ray */ + register OBJREC *m, + register RAY *r +) { OBJECT cset[MAXSET+1], *modset; OBJECT obj, mod; @@ -135,11 +82,12 @@ register RAY *r; /* check for penetration */ for (rp = r; rp->parent != NULL; rp = rp->parent) if (!(rp->rtype & RAYREFL) && rp->parent->ro != NULL - && inset(modset, rp->parent->ro->omod)) + && inset(modset, rp->parent->ro->omod)) { if (rp->parent->rod > 0.0) inside++; else inside--; + } if (inside > 0) { /* we just hit the object */ flipsurface(r); return(rayshade(r, lastmod(obj, m->oargs.sarg[0])));