| 1 |
gregl |
3.1 |
/* Copyright (c) 1997 Silicon Graphics, Inc. */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ SGI"; |
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#endif |
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/* |
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* Radiance holodeck generation controller |
| 9 |
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*/ |
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#include "rholo.h" |
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#include "paths.h" |
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#include <sys/types.h> |
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| 15 |
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/* the following must be consistent with rholo.h */ |
| 16 |
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int NVARS = NRHVARS; /* total number of variables */ |
| 17 |
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| 18 |
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VARIABLE vv[] = RHVINIT; /* variable-value pairs */ |
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| 20 |
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char *progname; /* our program name */ |
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char *hdkfile; /* holodeck file name */ |
| 22 |
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char froot[MAXPATH]; /* root file name */ |
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int nowarn = 0; /* turn warnings off? */ |
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double expval = 1.; /* global exposure value */ |
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int ncprocs = 0; /* desired number of compute processes */ |
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char *outdev = NULL; /* output device name */ |
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time_t starttime; /* time we got started */ |
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time_t endtime; /* time we should end by */ |
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time_t reporttime; /* time for next report */ |
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int rtargc = 1; /* rtrace command */ |
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char *rtargv[128] = {"rtrace", NULL}; |
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long nraysdone = 0L; /* number of rays done */ |
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long npacksdone = 0L; /* number of packets done */ |
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| 42 |
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PACKET *freepacks; /* available packets */ |
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extern time_t time(); |
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main(argc, argv) |
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int argc; |
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char *argv[]; |
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{ |
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HDGRID hdg; |
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int i; |
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int force = 0; |
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progname = argv[0]; /* get arguments */ |
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for (i = 1; i < argc && argv[i][0] == '-'; i++) |
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switch (argv[i][1]) { |
| 58 |
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case 'w': /* turn off warnings */ |
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nowarn++; |
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break; |
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case 'f': /* force overwrite */ |
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force++; |
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break; |
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case 'n': /* compute processes */ |
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if (i >= argc-2) |
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goto userr; |
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ncprocs = atoi(argv[++i]); |
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break; |
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case 'o': /* output display */ |
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if (i >= argc-2) |
| 71 |
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goto userr; |
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outdev = argv[++i]; |
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break; |
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default: |
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goto userr; |
| 76 |
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} |
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/* do we have a job? */ |
| 78 |
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if (outdev == NULL && ncprocs <= 0) |
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goto userr; |
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/* get root file name */ |
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rootname(froot, hdkfile=argv[i++]); |
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/* load... */ |
| 83 |
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if (i < argc) { /* variables */ |
| 84 |
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loadvars(argv[i++]); |
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/* cmdline settings */ |
| 86 |
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for ( ; i < argc; i++) |
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if (setvariable(argv[i], matchvar) < 0) { |
| 88 |
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sprintf(errmsg, "unknown variable: %s", |
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argv[i]); |
| 90 |
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error(USER, errmsg); |
| 91 |
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} |
| 92 |
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/* check settings */ |
| 93 |
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checkvalues(); |
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/* load RIF if any */ |
| 95 |
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if (vdef(RIF)) |
| 96 |
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getradfile(vval(RIF)); |
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/* set defaults */ |
| 98 |
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setdefaults(&hdg); |
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/* holodeck exists? */ |
| 100 |
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if (!force && access(hdkfile, R_OK|W_OK) == 0) |
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error(USER, |
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"holodeck file exists -- use -f to overwrite"); |
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/* create holodeck */ |
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creatholo(&hdg); |
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} else /* else load holodeck */ |
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loadholo(); |
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/* initialize */ |
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initrholo(); |
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/* run */ |
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while (rholo()) |
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; |
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/* done */ |
| 113 |
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quit(0); |
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userr: |
| 115 |
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fprintf(stderr, |
| 116 |
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"Usage: %s {-n nprocs|-o disp} [-w][-f] output.hdk [control.hif [VAR=val ..]]\n", |
| 117 |
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progname); |
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quit(1); |
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} |
| 120 |
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| 121 |
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| 122 |
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initrholo() /* get our holodeck running */ |
| 123 |
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{ |
| 124 |
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extern int global_packet(); |
| 125 |
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register int i; |
| 126 |
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/* check output device */ |
| 127 |
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if (outdev != NULL) |
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open_display(outdev); |
| 129 |
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else if (ncprocs > 0) /* else use global ray feed */ |
| 130 |
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init_global(); |
| 131 |
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/* record the time */ |
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starttime = time(NULL); |
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if (!vdef(TIME) || vflt(TIME) <= FTINY) |
| 134 |
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endtime = 0; |
| 135 |
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else |
| 136 |
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endtime = starttime + vflt(TIME)*3600.; |
| 137 |
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/* set up memory cache */ |
| 138 |
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hdcachesize = 1024.*1024.*vflt(CACHE); |
| 139 |
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/* open report file */ |
| 140 |
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if (vdef(REPORT)) { |
| 141 |
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register char *s = sskip2(vval(REPORT), 1); |
| 142 |
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if (*s && freopen(s, "a", stderr) == NULL) |
| 143 |
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quit(2); |
| 144 |
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} |
| 145 |
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/* start rtrace */ |
| 146 |
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if (ncprocs > 0) { |
| 147 |
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i = start_rtrace(); |
| 148 |
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if (i < 1) |
| 149 |
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error(USER, "cannot start rtrace process"); |
| 150 |
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if (vdef(REPORT)) { /* make first report */ |
| 151 |
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printargs(rtargc, rtargv, stderr); |
| 152 |
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report(0); |
| 153 |
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} |
| 154 |
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/* allocate packets */ |
| 155 |
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freepacks = (PACKET *)bmalloc(i*sizeof(PACKET)); |
| 156 |
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if (freepacks == NULL) |
| 157 |
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goto memerr; |
| 158 |
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freepacks[--i].nr = 0; |
| 159 |
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freepacks[i].next = NULL; |
| 160 |
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if (!vbool(OBSTRUCTIONS)) { |
| 161 |
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freepacks[i].offset = (float *)bmalloc( |
| 162 |
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RPACKSIZ*sizeof(float)*(i+1) ); |
| 163 |
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if (freepacks[i].offset == NULL) |
| 164 |
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goto memerr; |
| 165 |
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} else |
| 166 |
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freepacks[i].offset = NULL; |
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while (i--) { |
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freepacks[i].nr = 0; |
| 169 |
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freepacks[i].offset = freepacks[i+1].offset == NULL ? |
| 170 |
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NULL : freepacks[i+1].offset+RPACKSIZ ; |
| 171 |
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freepacks[i].next = &freepacks[i+1]; |
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} |
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} |
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return; |
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memerr: |
| 176 |
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error(SYSTEM, "out of memory in initrholo"); |
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} |
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rholo() /* holodeck main loop */ |
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{ |
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static int idle = 1; |
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PACKET *pl = NULL, *plend; |
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register PACKET *p; |
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time_t t; |
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long l; |
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/* check display */ |
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if (outdev != NULL && !disp_check(idle)) |
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return(0); |
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/* display only? */ |
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if (ncprocs <= 0) |
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return(1); |
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/* check file size */ |
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gregl |
3.2 |
if ((l = 1024.*1024.*vflt(DISKSPACE)) > 0 && |
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gregl |
3.1 |
hdfiluse(hdlist[0]->fd, 0) + hdmemuse(0) >= l) |
| 196 |
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return(0); |
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/* check time */ |
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if (endtime > 0 || vdef(REPORT)) |
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t = time(NULL); |
| 200 |
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if (endtime > 0 && t >= endtime) |
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return(0); |
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if (vdef(REPORT) && t >= reporttime) |
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report(t); |
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/* get packets to process */ |
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while (freepacks != NULL) { |
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p = freepacks; freepacks = p->next; p->next = NULL; |
| 207 |
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if (!next_packet(p)) { |
| 208 |
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p->next = freepacks; freepacks = p; |
| 209 |
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break; |
| 210 |
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} |
| 211 |
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if (pl == NULL) pl = p; |
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else plend->next = p; |
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plend = p; |
| 214 |
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} |
| 215 |
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idle = pl == NULL && freepacks != NULL; |
| 216 |
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/* are we out of stuff to do? */ |
| 217 |
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if (idle && outdev == NULL) |
| 218 |
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return(0); |
| 219 |
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/* else process packets */ |
| 220 |
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done_packets(do_packets(pl)); |
| 221 |
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return(1); /* and continue */ |
| 222 |
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} |
| 223 |
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| 224 |
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| 225 |
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report(t) /* report progress so far */ |
| 226 |
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time_t t; |
| 227 |
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{ |
| 228 |
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if (t == 0) |
| 229 |
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t = time(NULL); |
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gregl |
3.2 |
fprintf(stderr, "%s: %ld packets (%ld rays) done after %.2f hours\n", |
| 231 |
gregl |
3.1 |
progname, npacksdone, nraysdone, (t-starttime)/3600.); |
| 232 |
gregl |
3.2 |
fflush(stderr); |
| 233 |
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reporttime = t + (time_t)(vflt(REPORT)*60.); |
| 234 |
gregl |
3.1 |
} |
| 235 |
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| 236 |
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| 237 |
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setdefaults(gp) /* set default values */ |
| 238 |
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register HDGRID *gp; |
| 239 |
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{ |
| 240 |
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extern char *atos(); |
| 241 |
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register int i; |
| 242 |
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double len[3], maxlen, d; |
| 243 |
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char buf[64]; |
| 244 |
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| 245 |
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if (!vdef(SECTION)) { |
| 246 |
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sprintf(errmsg, "%s must be defined", vnam(SECTION)); |
| 247 |
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error(USER, errmsg); |
| 248 |
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} |
| 249 |
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if (vdef(SECTION) > 1) { |
| 250 |
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sprintf(errmsg, "ignoring all but first %s", vnam(SECTION)); |
| 251 |
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error(WARNING, errmsg); |
| 252 |
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} |
| 253 |
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if (sscanf(vval(SECTION), |
| 254 |
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"%lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf", |
| 255 |
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&gp->orig[0], &gp->orig[1], &gp->orig[2], |
| 256 |
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&gp->xv[0][0], &gp->xv[0][1], &gp->xv[0][2], |
| 257 |
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&gp->xv[1][0], &gp->xv[1][1], &gp->xv[1][2], |
| 258 |
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&gp->xv[2][0], &gp->xv[2][1], &gp->xv[2][2]) != 12) |
| 259 |
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badvalue(SECTION); |
| 260 |
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maxlen = 0.; |
| 261 |
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for (i = 0; i < 3; i++) |
| 262 |
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if ((len[i] = VLEN(gp->xv[i])) > maxlen) |
| 263 |
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maxlen = len[i]; |
| 264 |
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if (!vdef(GRID)) { |
| 265 |
gregl |
3.2 |
sprintf(buf, "%.4f", maxlen/8.); |
| 266 |
gregl |
3.1 |
vval(GRID) = savqstr(buf); |
| 267 |
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vdef(GRID)++; |
| 268 |
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} |
| 269 |
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if ((d = vflt(GRID)) <= FTINY) |
| 270 |
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badvalue(GRID); |
| 271 |
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for (i = 0; i < 3; i++) |
| 272 |
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gp->grid[i] = len[i]/d + (1.-FTINY); |
| 273 |
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if (!vdef(EXPOSURE)) { |
| 274 |
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sprintf(errmsg, "%s must be defined", vnam(EXPOSURE)); |
| 275 |
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error(USER, errmsg); |
| 276 |
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} |
| 277 |
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expval = vval(EXPOSURE)[0] == '-' || vval(EXPOSURE)[0] == '+' ? |
| 278 |
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pow(2., vflt(EXPOSURE)) : vflt(EXPOSURE); |
| 279 |
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if (!vdef(OCTREE)) { |
| 280 |
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if ((vval(OCTREE) = bmalloc(strlen(froot)+5)) == NULL) |
| 281 |
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error(SYSTEM, "out of memory"); |
| 282 |
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sprintf(vval(OCTREE), "%s.oct", froot); |
| 283 |
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vdef(OCTREE)++; |
| 284 |
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} |
| 285 |
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if (!vdef(DISKSPACE)) { |
| 286 |
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sprintf(errmsg, |
| 287 |
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"no %s setting, assuming 100 Mbytes available", |
| 288 |
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vnam(DISKSPACE)); |
| 289 |
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error(WARNING, errmsg); |
| 290 |
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vval(DISKSPACE) = "100"; |
| 291 |
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vdef(DISKSPACE)++; |
| 292 |
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} |
| 293 |
|
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if (!vdef(CACHE)) { |
| 294 |
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sprintf(errmsg, |
| 295 |
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"no %s setting, assuming 10 Mbytes available", |
| 296 |
|
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vnam(CACHE)); |
| 297 |
|
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error(WARNING, errmsg); |
| 298 |
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vval(CACHE) = "10"; |
| 299 |
|
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vdef(CACHE)++; |
| 300 |
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} |
| 301 |
|
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if (!vdef(OBSTRUCTIONS)) { |
| 302 |
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vval(OBSTRUCTIONS) = "T"; |
| 303 |
|
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vdef(OBSTRUCTIONS)++; |
| 304 |
|
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} |
| 305 |
|
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if (!vdef(OCCUPANCY)) { |
| 306 |
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vval(OCCUPANCY) = "U"; |
| 307 |
|
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vdef(OCCUPANCY)++; |
| 308 |
|
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} |
| 309 |
|
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/* append rendering options */ |
| 310 |
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if (vdef(RENDER)) |
| 311 |
|
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rtargc += wordstring(rtargv+rtargc, vval(RENDER)); |
| 312 |
|
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} |
| 313 |
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| 314 |
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| 315 |
|
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creatholo(gp) /* create a holodeck output file */ |
| 316 |
|
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HDGRID *gp; |
| 317 |
|
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{ |
| 318 |
|
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long endloc = 0; |
| 319 |
|
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FILE *fp; |
| 320 |
|
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/* open & truncate file */ |
| 321 |
|
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if ((fp = fopen(hdkfile, "w+")) == NULL) { |
| 322 |
|
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sprintf(errmsg, "cannot open \"%s\" for writing", hdkfile); |
| 323 |
|
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error(SYSTEM, errmsg); |
| 324 |
|
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} |
| 325 |
|
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/* write information header */ |
| 326 |
|
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newheader("RADIANCE", fp); |
| 327 |
|
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printvars(fp); |
| 328 |
|
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fputformat(HOLOFMT, fp); |
| 329 |
|
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fputc('\n', fp); |
| 330 |
|
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putw(HOLOMAGIC, fp); /* put magic number & terminus */ |
| 331 |
|
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fwrite(&endloc, sizeof(long), 1, fp); |
| 332 |
|
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fflush(fp); /* flush buffer */ |
| 333 |
gregl |
3.2 |
hdinit(fileno(fp), gp); /* allocate and initialize index */ |
| 334 |
gregl |
3.1 |
/* we're dropping fp here.... */ |
| 335 |
|
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} |
| 336 |
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| 337 |
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| 338 |
|
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headline(s) /* process information header line */ |
| 339 |
|
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char *s; |
| 340 |
|
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{ |
| 341 |
|
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extern char FMTSTR[]; |
| 342 |
|
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register char *cp; |
| 343 |
|
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char fmt[32]; |
| 344 |
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|
| 345 |
gregl |
3.2 |
if (formatval(fmt, s)) { |
| 346 |
gregl |
3.1 |
if (strcmp(fmt, HOLOFMT)) { |
| 347 |
|
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sprintf(errmsg, "%s file \"%s\" has %s%s", |
| 348 |
|
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HOLOFMT, hdkfile, FMTSTR, fmt); |
| 349 |
|
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error(USER, errmsg); |
| 350 |
|
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} |
| 351 |
|
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return; |
| 352 |
|
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} |
| 353 |
|
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for (cp = s; *cp; cp++) /* take off any comments */ |
| 354 |
|
|
if (*cp == '#') { |
| 355 |
|
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*cp = '\0'; |
| 356 |
|
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break; |
| 357 |
|
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} |
| 358 |
|
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setvariable(s, matchvar); /* don't flag errors */ |
| 359 |
|
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} |
| 360 |
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| 361 |
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| 362 |
|
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loadholo() /* start loading a holodeck from fname */ |
| 363 |
|
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{ |
| 364 |
|
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FILE *fp; |
| 365 |
|
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long endloc; |
| 366 |
|
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/* open input file */ |
| 367 |
|
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if ((fp = fopen(hdkfile, "r+")) == NULL) { |
| 368 |
|
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sprintf(errmsg, "cannot open \"%s\" for appending", hdkfile); |
| 369 |
|
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error(SYSTEM, errmsg); |
| 370 |
|
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} |
| 371 |
|
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/* load variables from header */ |
| 372 |
|
|
getheader(fp, headline, NULL); |
| 373 |
|
|
/* check magic number */ |
| 374 |
|
|
if (getw(fp) != HOLOMAGIC) { |
| 375 |
|
|
sprintf(errmsg, "bad magic number in holodeck file \"%s\"", |
| 376 |
|
|
hdkfile); |
| 377 |
|
|
error(USER, errmsg); |
| 378 |
|
|
} |
| 379 |
|
|
fread(&endloc, sizeof(long), 1, fp); |
| 380 |
|
|
if (endloc != 0) |
| 381 |
|
|
error(WARNING, "ignoring multiple sections in holodeck file"); |
| 382 |
|
|
fseek(fp, 0L, 1); /* align system file pointer */ |
| 383 |
gregl |
3.2 |
hdinit(fileno(fp), NULL); /* allocate and load index */ |
| 384 |
gregl |
3.1 |
/* we're dropping fp here.... */ |
| 385 |
|
|
} |
| 386 |
|
|
|
| 387 |
|
|
|
| 388 |
|
|
done_packets(pl) /* handle finished packets */ |
| 389 |
|
|
PACKET *pl; |
| 390 |
|
|
{ |
| 391 |
|
|
register PACKET *p; |
| 392 |
|
|
|
| 393 |
|
|
while (pl != NULL) { |
| 394 |
|
|
p = pl; pl = p->next; p->next = NULL; |
| 395 |
|
|
if (p->nr > 0) { /* add to holodeck */ |
| 396 |
|
|
bcopy((char *)p->ra, |
| 397 |
|
|
(char *)hdnewrays(hdlist[p->hd],p->bi,p->nr), |
| 398 |
|
|
p->nr*sizeof(RAYVAL)); |
| 399 |
|
|
if (outdev != NULL) /* display it */ |
| 400 |
|
|
disp_packet(p); |
| 401 |
|
|
} |
| 402 |
|
|
nraysdone += p->nr; |
| 403 |
|
|
npacksdone++; |
| 404 |
|
|
p->nr = 0; /* push onto free list */ |
| 405 |
|
|
p->next = freepacks; |
| 406 |
|
|
freepacks = p; |
| 407 |
|
|
} |
| 408 |
|
|
} |
| 409 |
|
|
|
| 410 |
|
|
|
| 411 |
|
|
getradfile(rfargs) /* run rad and get needed variables */ |
| 412 |
|
|
char *rfargs; |
| 413 |
|
|
{ |
| 414 |
gregl |
3.2 |
static short mvar[] = {VIEW,OCTREE,EXPOSURE,-1}; |
| 415 |
gregl |
3.1 |
static char tf1[] = TEMPLATE; |
| 416 |
|
|
char tf2[64]; |
| 417 |
|
|
char combuf[256]; |
| 418 |
|
|
register int i; |
| 419 |
|
|
register char *cp; |
| 420 |
|
|
/* create rad command */ |
| 421 |
|
|
mktemp(tf1); |
| 422 |
|
|
sprintf(tf2, "%s.rif", tf1); |
| 423 |
|
|
sprintf(combuf, |
| 424 |
|
|
"rad -v 0 -s -e -w %s OPTFILE=%s | egrep '^[ \t]*(NOMATCH", |
| 425 |
|
|
rfargs, tf1); |
| 426 |
|
|
cp = combuf; |
| 427 |
|
|
while (*cp) cp++; /* match unset variables */ |
| 428 |
|
|
for (i = 0; mvar[i] >= 0; i++) |
| 429 |
|
|
if (!vdef(mvar[i])) { |
| 430 |
|
|
*cp++ = '|'; |
| 431 |
|
|
strcpy(cp, vnam(mvar[i])); |
| 432 |
|
|
while (*cp) cp++; |
| 433 |
|
|
} |
| 434 |
|
|
sprintf(cp, ")[ \t]*=' > %s", tf2); |
| 435 |
|
|
if (system(combuf)) { |
| 436 |
|
|
error(SYSTEM, "cannot execute rad command"); |
| 437 |
|
|
unlink(tf2); /* clean up */ |
| 438 |
|
|
unlink(tf1); |
| 439 |
|
|
quit(1); |
| 440 |
|
|
} |
| 441 |
|
|
loadvars(tf2); /* load variables */ |
| 442 |
|
|
rtargc += wordfile(rtargv+rtargc, tf1); /* get rtrace options */ |
| 443 |
|
|
unlink(tf2); /* clean up */ |
| 444 |
|
|
unlink(tf1); |
| 445 |
|
|
} |
| 446 |
|
|
|
| 447 |
|
|
|
| 448 |
|
|
rootname(rn, fn) /* remove tail from end of fn */ |
| 449 |
|
|
register char *rn, *fn; |
| 450 |
|
|
{ |
| 451 |
|
|
char *tp, *dp; |
| 452 |
|
|
|
| 453 |
|
|
for (tp = NULL, dp = rn; *rn = *fn++; rn++) |
| 454 |
|
|
if (ISDIRSEP(*rn)) |
| 455 |
|
|
dp = rn; |
| 456 |
|
|
else if (*rn == '.') |
| 457 |
|
|
tp = rn; |
| 458 |
|
|
if (tp != NULL && tp > dp) |
| 459 |
|
|
*tp = '\0'; |
| 460 |
|
|
} |
| 461 |
|
|
|
| 462 |
|
|
|
| 463 |
|
|
badvalue(vc) /* report bad variable value and exit */ |
| 464 |
|
|
int vc; |
| 465 |
|
|
{ |
| 466 |
|
|
sprintf(errmsg, "bad value for variable '%s'", vnam(vc)); |
| 467 |
|
|
error(USER, errmsg); |
| 468 |
|
|
} |
| 469 |
|
|
|
| 470 |
|
|
|
| 471 |
|
|
eputs(s) /* put error message to stderr */ |
| 472 |
|
|
register char *s; |
| 473 |
|
|
{ |
| 474 |
|
|
static int midline = 0; |
| 475 |
|
|
|
| 476 |
|
|
if (!*s) |
| 477 |
|
|
return; |
| 478 |
|
|
if (!midline++) { /* prepend line with program name */ |
| 479 |
|
|
fputs(progname, stderr); |
| 480 |
|
|
fputs(": ", stderr); |
| 481 |
|
|
} |
| 482 |
|
|
fputs(s, stderr); |
| 483 |
|
|
if (s[strlen(s)-1] == '\n') { |
| 484 |
|
|
fflush(stderr); |
| 485 |
|
|
midline = 0; |
| 486 |
|
|
} |
| 487 |
|
|
} |
| 488 |
|
|
|
| 489 |
|
|
|
| 490 |
|
|
wputs(s) /* put warning string to stderr */ |
| 491 |
|
|
char *s; |
| 492 |
|
|
{ |
| 493 |
|
|
if (!nowarn) |
| 494 |
|
|
eputs(s); |
| 495 |
|
|
} |
| 496 |
|
|
|
| 497 |
|
|
|
| 498 |
|
|
quit(ec) /* exit program gracefully */ |
| 499 |
|
|
int ec; |
| 500 |
|
|
{ |
| 501 |
|
|
int status = 0; |
| 502 |
|
|
|
| 503 |
|
|
if (hdlist[0] != NULL) { /* flush holodeck */ |
| 504 |
|
|
if (ncprocs > 0) { |
| 505 |
|
|
done_packets(flush_queue()); |
| 506 |
|
|
status = end_rtrace(); /* close rtrace */ |
| 507 |
|
|
hdflush(NULL); |
| 508 |
|
|
if (vdef(REPORT)) { |
| 509 |
|
|
long fsiz, fuse; |
| 510 |
|
|
report(0); |
| 511 |
|
|
fsiz = lseek(hdlist[0]->fd, 0L, 2); |
| 512 |
|
|
fuse = hdfiluse(hdlist[0]->fd, 1); |
| 513 |
|
|
fprintf(stderr, |
| 514 |
|
|
"%s: %.1f Mbyte holodeck file, %.2f%% fragmentation\n", |
| 515 |
|
|
hdkfile, fsiz/(1024.*1024.), |
| 516 |
|
|
100.*(fsiz-fuse)/fsiz); |
| 517 |
|
|
} |
| 518 |
|
|
} else |
| 519 |
|
|
hdflush(NULL); |
| 520 |
|
|
} |
| 521 |
|
|
exit(ec ? ec : status); /* exit */ |
| 522 |
|
|
} |
