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/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ SGI"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* Load Radiance object(s) and create OpenGL display lists |
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*/ |
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/* ==================================================================== |
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* The Radiance Software License, Version 1.0 |
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* |
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* Copyright (c) 1990 - 2002 The Regents of the University of California, |
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* through Lawrence Berkeley National Laboratory. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. The end-user documentation included with the redistribution, |
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* if any, must include the following acknowledgment: |
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* "This product includes Radiance software |
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* (http://radsite.lbl.gov/) |
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* developed by the Lawrence Berkeley National Laboratory |
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* (http://www.lbl.gov/)." |
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* Alternately, this acknowledgment may appear in the software itself, |
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* if and wherever such third-party acknowledgments normally appear. |
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* |
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* 4. The names "Radiance," "Lawrence Berkeley National Laboratory" |
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* and "The Regents of the University of California" must |
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* not be used to endorse or promote products derived from this |
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* software without prior written permission. For written |
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* permission, please contact [email protected]. |
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* |
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* 5. Products derived from this software may not be called "Radiance", |
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* nor may "Radiance" appear in their name, without prior written |
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* permission of Lawrence Berkeley National Laboratory. |
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* |
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This software consists of voluntary contributions made by many |
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* individuals on behalf of Lawrence Berkeley National Laboratory. For more |
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* information on Lawrence Berkeley National Laboratory, please see |
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* <http://www.lbl.gov/>. |
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*/ |
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#include "radogl.h" |
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#ifndef NLIST2ALLOC |
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#define NLIST2ALLOC 16 /* batch of display lists to get */ |
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#endif |
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extern int o_sphere(), o_face(), o_cone(), o_ring(), |
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o_source(), o_instance(); |
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extern int m_normal(), m_glass(), m_aniso(), m_brdf(), m_brdf2(), |
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m_light(), m_prism(), m_mirror(); |
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FUN ofun[NUMOTYPE] = INIT_OTYPE; |
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static int nextlist, nlistleft = 0; |
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static |
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static void |
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initotypes() /* initialize ofun array */ |
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{ |
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if (ofun[OBJ_SPHERE].funp == o_sphere) |
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int |
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newglist() /* allocate an OGL list id */ |
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{ |
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static int nextlist, nleft = 0; |
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if (!nleft--) { |
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if (!nlistleft--) { |
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nextlist = glGenLists(NLIST2ALLOC); |
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nleft = NLIST2ALLOC-1; |
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if (!nextlist) |
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error(SYSTEM, "no list space left in newglist"); |
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nlistleft = NLIST2ALLOC-1; |
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} |
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return(nextlist++); |
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} |
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void |
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rgl_checkerr(where) /* check for GL or GLU error */ |
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char *where; |
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{ |
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int |
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rgl_filelist(ic, inp) /* load scene files into display list */ |
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rgl_filelist(ic, inp, nl) /* load scene files into display list */ |
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int ic; |
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char **inp; |
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int *nl; /* returned number of lists (optional) */ |
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{ |
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int listid; |
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glEndList(); /* end of top display list */ |
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lightdefs(); /* define light sources */ |
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loadoctrees(); /* load octrees (sublists) for instances */ |
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if (nl != NULL) /* return total number of lists allocated */ |
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*nl = nextlist - listid; |
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return(listid); /* all done -- return list id */ |
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} |
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int |
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rgl_octlist(fname, cent, radp) /* load octree objects into display list */ |
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rgl_octlist(fname, cent, radp, nl) /* load scen into display list */ |
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char *fname; |
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FVECT cent; /* returned octree center (optional) */ |
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double *radp; /* returned octree size (optional) */ |
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FLOAT *radp; /* returned octree size (optional) */ |
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int *nl; /* returned number of lists (optional) */ |
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{ |
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double r; |
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int listid; |
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glEndList(); /* close top list */ |
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lightdefs(); /* define light sources */ |
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loadoctrees(); /* load referenced octrees into sublists */ |
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if (nl != NULL) /* return total number of lists allocated */ |
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*nl = nextlist - listid; |
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return(listid); |
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} |
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void |
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rgl_load(inpspec) /* convert scene description into OGL calls */ |
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char *inpspec; |
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{ |
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} |
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void |
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rgl_object(name, fp) /* read the next object */ |
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char *name; |
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FILE *fp; |