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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7 |
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/* |
8 |
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* Radiance holodeck generation controller |
9 |
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*/ |
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11 |
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#include "rholo.h" |
12 |
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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 */ |
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char froot[MAXPATH]; /* root file name */ |
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24 |
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int nowarn = 0; /* turn warnings off? */ |
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26 |
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double expval = 1.; /* global exposure value */ |
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28 |
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int ncprocs = 0; /* desired number of compute processes */ |
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30 |
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char *outdev = NULL; /* output device name */ |
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32 |
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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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39 |
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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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44 |
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extern time_t time(); |
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46 |
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47 |
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main(argc, argv) |
48 |
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int argc; |
49 |
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char *argv[]; |
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{ |
51 |
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HDGRID hdg; |
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int i; |
53 |
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int force = 0; |
54 |
gregl |
3.3 |
/* mark start time */ |
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starttime = time(NULL); |
56 |
gregl |
3.1 |
progname = argv[0]; /* get arguments */ |
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for (i = 1; i < argc && argv[i][0] == '-'; i++) |
58 |
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switch (argv[i][1]) { |
59 |
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case 'w': /* turn off warnings */ |
60 |
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nowarn++; |
61 |
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break; |
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case 'f': /* force overwrite */ |
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force++; |
64 |
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break; |
65 |
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case 'n': /* compute processes */ |
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if (i >= argc-2) |
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goto userr; |
68 |
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ncprocs = atoi(argv[++i]); |
69 |
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break; |
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case 'o': /* output display */ |
71 |
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if (i >= argc-2) |
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goto userr; |
73 |
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outdev = argv[++i]; |
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break; |
75 |
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default: |
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goto userr; |
77 |
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} |
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/* do we have a job? */ |
79 |
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if (outdev == NULL && ncprocs <= 0) |
80 |
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goto userr; |
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/* get root file name */ |
82 |
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rootname(froot, hdkfile=argv[i++]); |
83 |
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/* load... */ |
84 |
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if (i < argc) { /* variables */ |
85 |
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loadvars(argv[i++]); |
86 |
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/* cmdline settings */ |
87 |
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for ( ; i < argc; i++) |
88 |
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if (setvariable(argv[i], matchvar) < 0) { |
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sprintf(errmsg, "unknown variable: %s", |
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argv[i]); |
91 |
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error(USER, errmsg); |
92 |
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} |
93 |
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/* check settings */ |
94 |
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checkvalues(); |
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/* load RIF if any */ |
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if (vdef(RIF)) |
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getradfile(vval(RIF)); |
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/* set defaults */ |
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setdefaults(&hdg); |
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/* holodeck exists? */ |
101 |
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if (!force && access(hdkfile, R_OK|W_OK) == 0) |
102 |
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error(USER, |
103 |
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"holodeck file exists -- use -f to overwrite"); |
104 |
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/* create holodeck */ |
105 |
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creatholo(&hdg); |
106 |
gregl |
3.3 |
} else { /* else load holodeck */ |
107 |
gregl |
3.1 |
loadholo(); |
108 |
gregl |
3.3 |
if (vdef(RIF)) /* load RIF if any */ |
109 |
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getradfile(vval(RIF)); |
110 |
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} |
111 |
gregl |
3.1 |
/* initialize */ |
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initrholo(); |
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/* run */ |
114 |
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while (rholo()) |
115 |
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; |
116 |
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/* done */ |
117 |
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quit(0); |
118 |
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userr: |
119 |
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fprintf(stderr, |
120 |
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"Usage: %s {-n nprocs|-o disp} [-w][-f] output.hdk [control.hif [VAR=val ..]]\n", |
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progname); |
122 |
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quit(1); |
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} |
124 |
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125 |
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126 |
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initrholo() /* get our holodeck running */ |
127 |
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{ |
128 |
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extern int global_packet(); |
129 |
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register int i; |
130 |
gregl |
3.4 |
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131 |
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if (outdev != NULL) /* open output device */ |
132 |
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disp_open(outdev); |
133 |
gregl |
3.1 |
else if (ncprocs > 0) /* else use global ray feed */ |
134 |
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init_global(); |
135 |
gregl |
3.3 |
/* record end time */ |
136 |
gregl |
3.1 |
if (!vdef(TIME) || vflt(TIME) <= FTINY) |
137 |
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endtime = 0; |
138 |
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else |
139 |
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endtime = starttime + vflt(TIME)*3600.; |
140 |
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/* set up memory cache */ |
141 |
gregl |
3.5 |
if (outdev == NULL) |
142 |
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hdcachesize = 0; /* manual flushing */ |
143 |
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else if (vdef(CACHE)) |
144 |
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hdcachesize = 1024.*1024.*vflt(CACHE); |
145 |
gregl |
3.1 |
/* open report file */ |
146 |
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if (vdef(REPORT)) { |
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register char *s = sskip2(vval(REPORT), 1); |
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if (*s && freopen(s, "a", stderr) == NULL) |
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quit(2); |
150 |
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} |
151 |
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/* start rtrace */ |
152 |
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if (ncprocs > 0) { |
153 |
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i = start_rtrace(); |
154 |
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if (i < 1) |
155 |
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error(USER, "cannot start rtrace process"); |
156 |
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if (vdef(REPORT)) { /* make first report */ |
157 |
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printargs(rtargc, rtargv, stderr); |
158 |
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report(0); |
159 |
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} |
160 |
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/* allocate packets */ |
161 |
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freepacks = (PACKET *)bmalloc(i*sizeof(PACKET)); |
162 |
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if (freepacks == NULL) |
163 |
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goto memerr; |
164 |
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freepacks[--i].nr = 0; |
165 |
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freepacks[i].next = NULL; |
166 |
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if (!vbool(OBSTRUCTIONS)) { |
167 |
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freepacks[i].offset = (float *)bmalloc( |
168 |
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RPACKSIZ*sizeof(float)*(i+1) ); |
169 |
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if (freepacks[i].offset == NULL) |
170 |
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goto memerr; |
171 |
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} else |
172 |
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freepacks[i].offset = NULL; |
173 |
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while (i--) { |
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freepacks[i].nr = 0; |
175 |
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freepacks[i].offset = freepacks[i+1].offset == NULL ? |
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NULL : freepacks[i+1].offset+RPACKSIZ ; |
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freepacks[i].next = &freepacks[i+1]; |
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} |
179 |
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} |
180 |
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return; |
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memerr: |
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error(SYSTEM, "out of memory in initrholo"); |
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} |
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185 |
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186 |
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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; |
191 |
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time_t t; |
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long l; |
193 |
gregl |
3.4 |
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194 |
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if (outdev != NULL) /* check display */ |
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if (!disp_check(idle)) |
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return(0); |
197 |
gregl |
3.1 |
/* display only? */ |
198 |
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if (ncprocs <= 0) |
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return(1); |
200 |
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/* check file size */ |
201 |
gregl |
3.2 |
if ((l = 1024.*1024.*vflt(DISKSPACE)) > 0 && |
202 |
gregl |
3.1 |
hdfiluse(hdlist[0]->fd, 0) + hdmemuse(0) >= l) |
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return(0); |
204 |
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/* check time */ |
205 |
gregl |
3.3 |
if (endtime > 0 || reporttime > 0) |
206 |
gregl |
3.1 |
t = time(NULL); |
207 |
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if (endtime > 0 && t >= endtime) |
208 |
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return(0); |
209 |
gregl |
3.3 |
if (reporttime > 0 && t >= reporttime) |
210 |
gregl |
3.1 |
report(t); |
211 |
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/* get packets to process */ |
212 |
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while (freepacks != NULL) { |
213 |
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p = freepacks; freepacks = p->next; p->next = NULL; |
214 |
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if (!next_packet(p)) { |
215 |
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p->next = freepacks; freepacks = p; |
216 |
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break; |
217 |
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} |
218 |
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if (pl == NULL) pl = p; |
219 |
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else plend->next = p; |
220 |
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plend = p; |
221 |
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} |
222 |
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idle = pl == NULL && freepacks != NULL; |
223 |
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/* are we out of stuff to do? */ |
224 |
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if (idle && outdev == NULL) |
225 |
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return(0); |
226 |
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/* else process packets */ |
227 |
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done_packets(do_packets(pl)); |
228 |
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return(1); /* and continue */ |
229 |
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} |
230 |
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231 |
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232 |
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report(t) /* report progress so far */ |
233 |
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time_t t; |
234 |
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{ |
235 |
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if (t == 0) |
236 |
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t = time(NULL); |
237 |
gregl |
3.2 |
fprintf(stderr, "%s: %ld packets (%ld rays) done after %.2f hours\n", |
238 |
gregl |
3.1 |
progname, npacksdone, nraysdone, (t-starttime)/3600.); |
239 |
gregl |
3.2 |
fflush(stderr); |
240 |
gregl |
3.3 |
if (vdef(REPORT)) |
241 |
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reporttime = t + (time_t)(vflt(REPORT)*60.+.5); |
242 |
gregl |
3.1 |
} |
243 |
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244 |
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245 |
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setdefaults(gp) /* set default values */ |
246 |
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register HDGRID *gp; |
247 |
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{ |
248 |
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extern char *atos(); |
249 |
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register int i; |
250 |
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double len[3], maxlen, d; |
251 |
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char buf[64]; |
252 |
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253 |
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if (!vdef(SECTION)) { |
254 |
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sprintf(errmsg, "%s must be defined", vnam(SECTION)); |
255 |
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error(USER, errmsg); |
256 |
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} |
257 |
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if (vdef(SECTION) > 1) { |
258 |
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sprintf(errmsg, "ignoring all but first %s", vnam(SECTION)); |
259 |
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error(WARNING, errmsg); |
260 |
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} |
261 |
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if (sscanf(vval(SECTION), |
262 |
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"%lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf %lf", |
263 |
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&gp->orig[0], &gp->orig[1], &gp->orig[2], |
264 |
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&gp->xv[0][0], &gp->xv[0][1], &gp->xv[0][2], |
265 |
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&gp->xv[1][0], &gp->xv[1][1], &gp->xv[1][2], |
266 |
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&gp->xv[2][0], &gp->xv[2][1], &gp->xv[2][2]) != 12) |
267 |
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badvalue(SECTION); |
268 |
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maxlen = 0.; |
269 |
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for (i = 0; i < 3; i++) |
270 |
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if ((len[i] = VLEN(gp->xv[i])) > maxlen) |
271 |
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maxlen = len[i]; |
272 |
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if (!vdef(GRID)) { |
273 |
gregl |
3.2 |
sprintf(buf, "%.4f", maxlen/8.); |
274 |
gregl |
3.1 |
vval(GRID) = savqstr(buf); |
275 |
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vdef(GRID)++; |
276 |
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} |
277 |
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if ((d = vflt(GRID)) <= FTINY) |
278 |
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badvalue(GRID); |
279 |
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for (i = 0; i < 3; i++) |
280 |
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gp->grid[i] = len[i]/d + (1.-FTINY); |
281 |
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if (!vdef(EXPOSURE)) { |
282 |
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sprintf(errmsg, "%s must be defined", vnam(EXPOSURE)); |
283 |
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error(USER, errmsg); |
284 |
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} |
285 |
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expval = vval(EXPOSURE)[0] == '-' || vval(EXPOSURE)[0] == '+' ? |
286 |
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pow(2., vflt(EXPOSURE)) : vflt(EXPOSURE); |
287 |
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if (!vdef(OCTREE)) { |
288 |
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if ((vval(OCTREE) = bmalloc(strlen(froot)+5)) == NULL) |
289 |
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error(SYSTEM, "out of memory"); |
290 |
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sprintf(vval(OCTREE), "%s.oct", froot); |
291 |
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vdef(OCTREE)++; |
292 |
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} |
293 |
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if (!vdef(DISKSPACE)) { |
294 |
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sprintf(errmsg, |
295 |
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"no %s setting, assuming 100 Mbytes available", |
296 |
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vnam(DISKSPACE)); |
297 |
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error(WARNING, errmsg); |
298 |
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vval(DISKSPACE) = "100"; |
299 |
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vdef(DISKSPACE)++; |
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 |
gregl |
3.4 |
/* open holodeck file */ |
367 |
|
|
if ((fp = fopen(hdkfile, ncprocs>0 ? "r+" : "r")) == NULL) { |
368 |
|
|
sprintf(errmsg, "cannot open \"%s\" for %s", hdkfile, |
369 |
|
|
ncprocs>0 ? "appending" : "reading"); |
370 |
gregl |
3.1 |
error(SYSTEM, errmsg); |
371 |
|
|
} |
372 |
|
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/* load variables from header */ |
373 |
|
|
getheader(fp, headline, NULL); |
374 |
|
|
/* check magic number */ |
375 |
|
|
if (getw(fp) != HOLOMAGIC) { |
376 |
|
|
sprintf(errmsg, "bad magic number in holodeck file \"%s\"", |
377 |
|
|
hdkfile); |
378 |
|
|
error(USER, errmsg); |
379 |
|
|
} |
380 |
|
|
fread(&endloc, sizeof(long), 1, fp); |
381 |
|
|
if (endloc != 0) |
382 |
|
|
error(WARNING, "ignoring multiple sections in holodeck file"); |
383 |
|
|
fseek(fp, 0L, 1); /* align system file pointer */ |
384 |
gregl |
3.2 |
hdinit(fileno(fp), NULL); /* allocate and load index */ |
385 |
gregl |
3.1 |
/* we're dropping fp here.... */ |
386 |
|
|
} |
387 |
|
|
|
388 |
|
|
|
389 |
|
|
done_packets(pl) /* handle finished packets */ |
390 |
|
|
PACKET *pl; |
391 |
|
|
{ |
392 |
gregl |
3.5 |
static int nunflushed = 0; |
393 |
gregl |
3.1 |
register PACKET *p; |
394 |
|
|
|
395 |
|
|
while (pl != NULL) { |
396 |
|
|
p = pl; pl = p->next; p->next = NULL; |
397 |
|
|
if (p->nr > 0) { /* add to holodeck */ |
398 |
|
|
bcopy((char *)p->ra, |
399 |
|
|
(char *)hdnewrays(hdlist[p->hd],p->bi,p->nr), |
400 |
|
|
p->nr*sizeof(RAYVAL)); |
401 |
|
|
if (outdev != NULL) /* display it */ |
402 |
gregl |
3.7 |
disp_packet((PACKHEAD *)p); |
403 |
gregl |
3.5 |
else |
404 |
|
|
nunflushed += p->nr; |
405 |
gregl |
3.6 |
nraysdone += p->nr; |
406 |
|
|
npacksdone++; |
407 |
gregl |
3.1 |
} |
408 |
|
|
p->nr = 0; /* push onto free list */ |
409 |
|
|
p->next = freepacks; |
410 |
|
|
freepacks = p; |
411 |
gregl |
3.5 |
} |
412 |
|
|
if (nunflushed >= 256*RPACKSIZ) { |
413 |
|
|
hdflush(NULL); /* flush holodeck buffers */ |
414 |
|
|
nunflushed = 0; |
415 |
gregl |
3.1 |
} |
416 |
|
|
} |
417 |
|
|
|
418 |
|
|
|
419 |
|
|
getradfile(rfargs) /* run rad and get needed variables */ |
420 |
|
|
char *rfargs; |
421 |
|
|
{ |
422 |
gregl |
3.2 |
static short mvar[] = {VIEW,OCTREE,EXPOSURE,-1}; |
423 |
gregl |
3.1 |
static char tf1[] = TEMPLATE; |
424 |
|
|
char tf2[64]; |
425 |
|
|
char combuf[256]; |
426 |
gregl |
3.3 |
char *pippt; |
427 |
gregl |
3.1 |
register int i; |
428 |
|
|
register char *cp; |
429 |
|
|
/* create rad command */ |
430 |
|
|
mktemp(tf1); |
431 |
|
|
sprintf(tf2, "%s.rif", tf1); |
432 |
|
|
sprintf(combuf, |
433 |
|
|
"rad -v 0 -s -e -w %s OPTFILE=%s | egrep '^[ \t]*(NOMATCH", |
434 |
|
|
rfargs, tf1); |
435 |
|
|
cp = combuf; |
436 |
gregl |
3.3 |
while (*cp){ |
437 |
|
|
if (*cp == '|') pippt = cp; |
438 |
|
|
cp++; |
439 |
|
|
} /* match unset variables */ |
440 |
gregl |
3.1 |
for (i = 0; mvar[i] >= 0; i++) |
441 |
|
|
if (!vdef(mvar[i])) { |
442 |
|
|
*cp++ = '|'; |
443 |
|
|
strcpy(cp, vnam(mvar[i])); |
444 |
|
|
while (*cp) cp++; |
445 |
gregl |
3.3 |
pippt = NULL; |
446 |
gregl |
3.1 |
} |
447 |
gregl |
3.3 |
if (pippt != NULL) |
448 |
|
|
strcpy(pippt, "> /dev/null"); /* nothing to match */ |
449 |
|
|
else |
450 |
|
|
sprintf(cp, ")[ \t]*=' > %s", tf2); |
451 |
gregl |
3.1 |
if (system(combuf)) { |
452 |
|
|
error(SYSTEM, "cannot execute rad command"); |
453 |
|
|
unlink(tf2); /* clean up */ |
454 |
|
|
unlink(tf1); |
455 |
|
|
quit(1); |
456 |
|
|
} |
457 |
gregl |
3.3 |
if (pippt == NULL) { |
458 |
|
|
loadvars(tf2); /* load variables */ |
459 |
|
|
unlink(tf2); |
460 |
|
|
} |
461 |
gregl |
3.1 |
rtargc += wordfile(rtargv+rtargc, tf1); /* get rtrace options */ |
462 |
gregl |
3.3 |
unlink(tf1); /* clean up */ |
463 |
gregl |
3.1 |
} |
464 |
|
|
|
465 |
|
|
|
466 |
|
|
rootname(rn, fn) /* remove tail from end of fn */ |
467 |
|
|
register char *rn, *fn; |
468 |
|
|
{ |
469 |
|
|
char *tp, *dp; |
470 |
|
|
|
471 |
|
|
for (tp = NULL, dp = rn; *rn = *fn++; rn++) |
472 |
|
|
if (ISDIRSEP(*rn)) |
473 |
|
|
dp = rn; |
474 |
|
|
else if (*rn == '.') |
475 |
|
|
tp = rn; |
476 |
|
|
if (tp != NULL && tp > dp) |
477 |
|
|
*tp = '\0'; |
478 |
|
|
} |
479 |
|
|
|
480 |
|
|
|
481 |
|
|
badvalue(vc) /* report bad variable value and exit */ |
482 |
|
|
int vc; |
483 |
|
|
{ |
484 |
|
|
sprintf(errmsg, "bad value for variable '%s'", vnam(vc)); |
485 |
|
|
error(USER, errmsg); |
486 |
|
|
} |
487 |
|
|
|
488 |
|
|
|
489 |
|
|
eputs(s) /* put error message to stderr */ |
490 |
|
|
register char *s; |
491 |
|
|
{ |
492 |
|
|
static int midline = 0; |
493 |
|
|
|
494 |
|
|
if (!*s) |
495 |
|
|
return; |
496 |
|
|
if (!midline++) { /* prepend line with program name */ |
497 |
|
|
fputs(progname, stderr); |
498 |
|
|
fputs(": ", stderr); |
499 |
|
|
} |
500 |
|
|
fputs(s, stderr); |
501 |
|
|
if (s[strlen(s)-1] == '\n') { |
502 |
|
|
fflush(stderr); |
503 |
|
|
midline = 0; |
504 |
|
|
} |
505 |
|
|
} |
506 |
|
|
|
507 |
|
|
|
508 |
|
|
wputs(s) /* put warning string to stderr */ |
509 |
|
|
char *s; |
510 |
|
|
{ |
511 |
|
|
if (!nowarn) |
512 |
|
|
eputs(s); |
513 |
|
|
} |
514 |
|
|
|
515 |
|
|
|
516 |
|
|
quit(ec) /* exit program gracefully */ |
517 |
|
|
int ec; |
518 |
|
|
{ |
519 |
|
|
int status = 0; |
520 |
|
|
|
521 |
gregl |
3.4 |
if (outdev != NULL) /* close display */ |
522 |
|
|
disp_close(); |
523 |
gregl |
3.1 |
if (hdlist[0] != NULL) { /* flush holodeck */ |
524 |
|
|
if (ncprocs > 0) { |
525 |
|
|
done_packets(flush_queue()); |
526 |
|
|
status = end_rtrace(); /* close rtrace */ |
527 |
|
|
hdflush(NULL); |
528 |
|
|
if (vdef(REPORT)) { |
529 |
|
|
long fsiz, fuse; |
530 |
|
|
report(0); |
531 |
|
|
fsiz = lseek(hdlist[0]->fd, 0L, 2); |
532 |
|
|
fuse = hdfiluse(hdlist[0]->fd, 1); |
533 |
|
|
fprintf(stderr, |
534 |
gregl |
3.3 |
"%s: %.1f Mbyte holodeck file, %.1f%% fragmentation\n", |
535 |
gregl |
3.1 |
hdkfile, fsiz/(1024.*1024.), |
536 |
|
|
100.*(fsiz-fuse)/fsiz); |
537 |
|
|
} |
538 |
|
|
} else |
539 |
|
|
hdflush(NULL); |
540 |
|
|
} |
541 |
|
|
exit(ec ? ec : status); /* exit */ |
542 |
|
|
} |