| 2 |
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/* |
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* octree.h - header file for routines using octrees. |
| 4 |
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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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|
| 6 |
– |
#include "copyright.h" |
| 7 |
– |
|
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/* |
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* An octree is expressed as an integer which is either |
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* an index to eight other nodes, the empty tree, or an index |
| 82 |
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#define O_HIT 1 /* intersection */ |
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#define O_IN 2 /* cube contained entirely */ |
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|
| 82 |
– |
#ifdef NOPROTO |
| 85 |
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|
| 84 |
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extern OCTREE octalloc(); |
| 85 |
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extern void octfree(); |
| 86 |
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extern void octdone(); |
| 87 |
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extern OCTREE combine(); |
| 88 |
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extern void culocate(); |
| 89 |
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extern void cucopy(); |
| 90 |
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extern int incube(); |
| 91 |
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extern int readoct(); |
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extern void readscene(); |
| 93 |
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extern void writescene(); |
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– |
|
| 95 |
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#else |
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– |
|
| 86 |
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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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extern void readscene(FILE *fp, int objsiz); |
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extern void writescene(int firstobj, int nobjs, FILE *fp); |
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|
| 99 |
+ |
|
| 100 |
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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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+ |
|
