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/* RCSid: $Id$ */ |
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/* RCSid $Id$ */ |
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/* |
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* octree.h - header file for routines using octrees. |
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*/ |
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#ifndef _RAD_OCTREE_H_ |
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#define _RAD_OCTREE_H_ |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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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 "copyright.h" |
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|
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/* |
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* An octree is expressed as an integer which is either |
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#define octti(ot) (((ot)&03777)<<3)/* octree index in block */ |
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|
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#ifndef MAXOBLK |
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#ifdef BIGMEM |
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#define MAXOBLK 32767 /* maximum octree block */ |
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#else |
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#ifdef SMLMEM |
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#define MAXOBLK 4095 /* maximum octree block */ |
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#else |
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#define MAXOBLK 32767 /* maximum octree block */ |
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#endif |
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#endif |
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|
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#define O_HIT 1 /* intersection */ |
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#define O_IN 2 /* cube contained entirely */ |
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|
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#ifdef NOPROTO |
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|
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extern OCTREE octalloc(); |
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extern void octfree(); |
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extern void octdone(); |
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extern OCTREE combine(); |
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extern void culocate(); |
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extern void cucopy(); |
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extern int incube(); |
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|
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extern int readoct(); |
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|
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#else |
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|
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extern OCTREE octalloc(void); |
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extern void octfree(OCTREE ot); |
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extern void octdone(void); |
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|
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extern int readoct(char *fname, int load, CUBE *scene, char *ofn[]); |
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|
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extern void readscene(FILE *fp, int objsiz); |
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extern void writescene(int firstobj, int nobjs, FILE *fp); |
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|
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|
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* _RAD_OCTREE_H_ */ |
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|
