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/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
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/* SCCSid "$SunId$ SGI" */ |
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/* RCSid: $Id$ */ |
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/* |
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* Header file for rholo program |
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*/ |
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#ifndef _RAD_RHOLO_H_ |
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#define _RAD_RHOLO_H_ |
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#include "holo.h" |
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#include "vars.h" |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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#ifndef RPACKSIZ |
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#define RPACKSIZ 21 /* good packet size */ |
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#endif |
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typedef struct packet { |
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int2 hd; /* holodeck section (first) */ |
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int4 bi; /* beam index (second) */ |
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int4 nr; /* number of rays (third) */ |
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int4 nc; /* number calculated (fourth) */ |
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int16 hd; /* holodeck section (first) */ |
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int32 bi; /* beam index (second) */ |
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int32 nr; /* number of rays (third) */ |
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int32 nc; /* number calculated (fourth) */ |
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RAYVAL ra[RPACKSIZ]; /* ray values (fifth) */ |
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float *offset; /* offset array if !vbool(OBSTRUCTIONS) */ |
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struct packet *next; /* next in packet list */ |
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} PACKET; /* a beam packet */ |
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typedef struct { |
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int2 hd; /* holodeck section (first) */ |
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int4 bi; /* beam index (second) */ |
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int4 nr; /* number of rays (third) */ |
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int4 nc; /* number calculated (fourth) */ |
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int16 hd; /* holodeck section (first) */ |
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int32 bi; /* beam index (second) */ |
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int32 nr; /* number of rays (third) */ |
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int32 nc; /* number calculated (fourth) */ |
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} PACKHEAD; /* followed by ray values */ |
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#define packsiz(nr) (sizeof(PACKHEAD)+(nr)*sizeof(RAYVAL)) |
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#define packra(p) ((RAYVAL *)((p)+1)) |
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typedef struct { |
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int nb; /* number of beams in list */ |
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PACKHEAD *bl; /* allocated beam list */ |
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} BEAMLIST; /* a list of beam requests */ |
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typedef struct { |
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FVECT vpt; /* view (eye point) position */ |
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double rng; /* desired mean radius for sample rays */ |
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} VIEWPOINT; /* target eye position */ |
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#define BS_ADD 2 /* add to current set */ |
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#define BS_ADJ 3 /* adjust current set quantities */ |
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#define BS_DEL 4 /* delete from current set */ |
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#define BS_MAX 5 /* set to max of old and new */ |
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extern char *progname; /* our program name */ |
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extern char *hdkfile; /* holodeck file name */ |
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extern char *rtargv[]; |
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extern PACKET *do_packets(), *get_packets(), *flush_queue(); |
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extern int16 *viewbeams(); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* _RAD_RHOLO_H_ */ |
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