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root/radiance/ray/src/rt/rmain.c
Revision: 2.41
Committed: Sat Jul 6 21:59:00 1996 UTC (28 years, 11 months ago) by greg
Content type: text/plain
Branch: MAIN
Changes since 2.40: +3 -2 lines
Log Message: 
added piping of stderr to persist functions

File Contents

# User Rev Content
1 greg 2.41 /* Copyright (c) 1996 Regents of the University of California */
2 greg 1.1
3     #ifndef lint
4     static char SCCSid[] = "$SunId$ LBL";
5     #endif
6    
7     /*
8     * rmain.c - main for ray tracing programs
9     *
10     * 3/24/87
11     */
12    
13     /* for flaky pre-processors */
14 greg 2.10 #ifndef RPICT
15     #define RPICT 0
16 greg 1.1 #endif
17 greg 2.10 #ifndef RTRACE
18     #define RTRACE 0
19 greg 1.1 #endif
20 greg 2.10 #ifndef RVIEW
21     #define RVIEW 0
22 greg 1.1 #endif
23    
24     #include "ray.h"
25    
26 greg 1.50 #include "resolu.h"
27    
28 greg 1.1 #include "octree.h"
29    
30 greg 2.32 #include <sys/types.h>
31    
32 greg 1.1 #include <signal.h>
33    
34     #include "view.h"
35    
36 greg 2.10 #include "paths.h"
37 greg 2.23 /* persistent processes define */
38     #ifdef F_SETLKW
39     #if RPICT|RTRACE
40 greg 2.27 #define PERSIST 1 /* normal persist */
41     #define PARALLEL 2 /* parallel persist */
42     #define PCHILD 3 /* child of normal persist */
43 greg 2.23 #endif
44     #endif
45 greg 1.1
46     char *progname; /* argv[0] */
47    
48 greg 1.19 char *octname; /* octree name */
49    
50 greg 2.33 char *getlibpath(); /* library directory list */
51 greg 1.1
52     char *sigerr[NSIG]; /* signal error messages */
53    
54 greg 2.36 char *shm_boundary = NULL; /* boundary of shared memory */
55    
56 greg 1.46 extern char VersionID[]; /* version ID string */
57    
58 greg 1.1 extern int stderr_v(); /* standard error output */
59     int (*errvec)() = stderr_v; /* error output vector */
60     int (*wrnvec)() = stderr_v; /* warning output vector */
61     int (*cmdvec)() = NULL; /* command error vector */
62    
63     int (*trace)() = NULL; /* trace call */
64 greg 1.36 int do_irrad = 0; /* compute irradiance? */
65 greg 1.1
66 greg 2.41 char *errfile = NULL; /* error output file */
67    
68 greg 2.32 extern time_t time();
69     time_t tstart; /* start time */
70 greg 1.34
71 greg 1.24 extern int ambnotify(); /* new object notify functions */
72 greg 2.25 #if RTRACE
73     extern int tranotify();
74     int (*addobjnotify[])() = {ambnotify, tranotify, NULL};
75     extern char *tralist[]; /* trace include/exclude list */
76     extern int traincl; /* include == 1, exclude == 0 */
77     #else
78 greg 1.24 int (*addobjnotify[])() = {ambnotify, NULL};
79 greg 2.25 #endif
80 greg 1.24
81 greg 1.1 CUBE thescene; /* our scene */
82 greg 2.10 OBJECT nsceneobjs; /* number of objects in our scene */
83 greg 1.1
84 greg 2.24 extern unsigned long raynum, nrays; /* ray counts */
85 greg 2.22
86 greg 1.36 extern int imm_irrad; /* calculate immediate irradiance? */
87    
88 greg 1.1 extern int ralrm; /* seconds between reports */
89    
90     extern int greyscale; /* map colors to brightness? */
91     extern char *devname; /* output device name */
92 greg 2.30 extern double exposure; /* exposure compensation */
93 greg 1.1
94 greg 2.8 extern char *formstr(); /* string from format */
95 greg 1.1 extern int inform; /* input format */
96     extern int outform; /* output format */
97     extern char *outvals; /* output values */
98    
99     extern VIEW ourview; /* viewing parameters */
100    
101 greg 2.28 extern char rifname[]; /* rad input file name */
102    
103 greg 1.1 extern int hresolu; /* horizontal resolution */
104     extern int vresolu; /* vertical resolution */
105 greg 1.22 extern double pixaspect; /* pixel aspect ratio */
106 greg 1.1
107     extern int psample; /* pixel sample size */
108     extern double maxdiff; /* max. sample difference */
109 greg 1.11 extern double dstrpix; /* square pixel distribution */
110 greg 1.1
111     extern double dstrsrc; /* square source distribution */
112 greg 1.11 extern double shadthresh; /* shadow threshold */
113 greg 1.15 extern double shadcert; /* shadow testing certainty */
114 greg 1.39 extern int directrelay; /* number of source relays */
115 greg 1.40 extern int vspretest; /* virtual source pretest density */
116 greg 2.17 extern int directvis; /* light sources visible to eye? */
117 greg 1.47 extern double srcsizerat; /* maximum source size/dist. ratio */
118 greg 1.1
119 greg 2.4 extern double specthresh; /* specular sampling threshold */
120     extern double specjitter; /* specular sampling jitter */
121    
122 greg 2.38 extern COLOR cextinction; /* global extinction coefficient */
123 greg 2.40 extern COLOR salbedo; /* global scattering albedo */
124 greg 2.38 extern double seccg; /* global scattering eccentricity */
125     extern double ssampdist; /* scatter sampling distance */
126    
127 greg 2.35 extern int backvis; /* back face visibility */
128    
129 greg 1.1 extern int maxdepth; /* maximum recursion depth */
130     extern double minweight; /* minimum ray weight */
131    
132     extern COLOR ambval; /* ambient value */
133 greg 2.39 extern int ambvwt; /* initial weight for ambient value */
134 greg 1.1 extern double ambacc; /* ambient accuracy */
135     extern int ambres; /* ambient resolution */
136     extern int ambdiv; /* ambient divisions */
137     extern int ambssamp; /* ambient super-samples */
138     extern int ambounce; /* ambient bounces */
139     extern char *amblist[]; /* ambient include/exclude list */
140     extern int ambincl; /* include == 1, exclude == 0 */
141    
142    
143     main(argc, argv)
144     int argc;
145     char *argv[];
146     {
147 greg 2.10 #define check(ol,al) if (argv[i][ol] || \
148 greg 1.49 badarg(argc-i-1,argv+i+1,al)) \
149     goto badopt
150 greg 2.10 #define bool(olen,var) switch (argv[i][olen]) { \
151 greg 1.43 case '\0': var = !var; break; \
152     case 'y': case 'Y': case 't': case 'T': \
153     case '+': case '1': var = 1; break; \
154     case 'n': case 'N': case 'f': case 'F': \
155     case '-': case '0': var = 0; break; \
156     default: goto badopt; }
157 greg 1.1 char *err;
158     char *recover = NULL;
159 greg 2.7 char *outfile = NULL;
160 greg 1.20 char *zfile = NULL;
161 greg 1.1 char *ambfile = NULL;
162     int loadflags = ~IO_FILES;
163 greg 2.7 int seqstart = 0;
164 greg 2.29 int persist = 0;
165 greg 2.25 char **amblp;
166     char **tralp;
167 greg 2.18 int duped1;
168 greg 2.7 int rval;
169 greg 1.1 int i;
170 greg 1.34 /* record start time */
171 greg 2.32 tstart = time((time_t *)NULL);
172 greg 1.1 /* global program name */
173 greg 2.11 progname = argv[0] = fixargv0(argv[0]);
174 greg 1.31 /* initialize object types */
175     initotypes();
176 greg 1.37 /* initialize urand */
177 greg 1.41 initurand(2048);
178 greg 1.10 /* option city */
179 greg 2.12 for (i = 1; i < argc; i++) {
180 greg 2.13 /* expand arguments */
181     while (rval = expandarg(&argc, &argv, i))
182     if (rval < 0) {
183     sprintf(errmsg, "cannot expand '%s'", argv[i]);
184     error(SYSTEM, errmsg);
185     }
186 greg 2.15 if (argv[i] == NULL || argv[i][0] != '-')
187 greg 2.12 break; /* break from options */
188 greg 1.46 if (!strcmp(argv[i], "-version")) {
189     puts(VersionID);
190     quit(0);
191     }
192 greg 1.18 if (!strcmp(argv[i], "-defaults") ||
193     !strcmp(argv[i], "-help")) {
194 greg 1.1 printdefaults();
195     quit(0);
196     }
197     #if RVIEW
198     if (!strcmp(argv[i], "-devices")) {
199     printdevices();
200     quit(0);
201     }
202     #endif
203 greg 1.21 #if RPICT|RVIEW
204     rval = getviewopt(&ourview, argc-i, argv+i);
205     if (rval >= 0) {
206     i += rval;
207     continue;
208     }
209     #endif
210 greg 1.1 switch (argv[i][1]) {
211     #if RPICT|RVIEW
212 greg 1.21 case 'v': /* view file */
213     if (argv[i][2] != 'f')
214 greg 1.10 goto badopt;
215 greg 1.49 check(3,"s");
216 greg 1.50 rval = viewfile(argv[++i], &ourview, NULL);
217 greg 1.21 if (rval < 0) {
218     sprintf(errmsg,
219     "cannot open view file \"%s\"",
220     argv[i]);
221     error(SYSTEM, errmsg);
222     } else if (rval == 0) {
223     sprintf(errmsg,
224     "bad view file \"%s\"",
225     argv[i]);
226     error(USER, errmsg);
227 greg 2.7 }
228 greg 1.1 break;
229     #endif
230 greg 2.35 case 'b': /* back face vis. */
231     if (argv[i][2] == 'v') {
232     bool(3,backvis);
233     break;
234     }
235     #if RVIEW
236     bool(2,greyscale);
237     break;
238     #else
239     goto badopt;
240     #endif
241 greg 1.11 case 'd': /* direct */
242 greg 1.1 switch (argv[i][2]) {
243 greg 1.13 case 't': /* threshold */
244 greg 1.49 check(3,"f");
245 greg 1.11 shadthresh = atof(argv[++i]);
246 greg 1.1 break;
247 greg 1.15 case 'c': /* certainty */
248 greg 1.49 check(3,"f");
249 greg 1.15 shadcert = atof(argv[++i]);
250     break;
251 greg 1.11 case 'j': /* jitter */
252 greg 1.49 check(3,"f");
253 greg 1.1 dstrsrc = atof(argv[++i]);
254     break;
255 greg 1.47 case 'r': /* relays */
256 greg 1.49 check(3,"i");
257 greg 1.39 directrelay = atoi(argv[++i]);
258     break;
259 greg 1.47 case 'p': /* pretest */
260 greg 1.49 check(3,"i");
261 greg 1.40 vspretest = atoi(argv[++i]);
262 greg 1.42 break;
263 greg 2.17 case 'v': /* visibility */
264     bool(3,directvis);
265 greg 1.40 break;
266 greg 1.47 case 's': /* size */
267 greg 1.49 check(3,"f");
268 greg 1.47 srcsizerat = atof(argv[++i]);
269     break;
270 greg 1.1 default:
271 greg 1.10 goto badopt;
272 greg 1.1 }
273     break;
274 greg 2.4 case 's': /* specular */
275     switch (argv[i][2]) {
276     case 't': /* threshold */
277     check(3,"f");
278     specthresh = atof(argv[++i]);
279     break;
280     case 'j': /* jitter */
281     check(3,"f");
282     specjitter = atof(argv[++i]);
283     break;
284     default:
285     goto badopt;
286     }
287     break;
288 greg 1.1 #if RPICT|RVIEW
289 greg 2.4 case 'p': /* pixel */
290 greg 1.1 switch (argv[i][2]) {
291 greg 2.4 case 's': /* sample */
292 greg 1.49 check(3,"i");
293 greg 1.1 psample = atoi(argv[++i]);
294     break;
295 greg 1.13 case 't': /* threshold */
296 greg 1.49 check(3,"f");
297 greg 1.1 maxdiff = atof(argv[++i]);
298     break;
299 greg 1.11 #if RPICT
300     case 'j': /* jitter */
301 greg 1.49 check(3,"f");
302 greg 1.11 dstrpix = atof(argv[++i]);
303     break;
304 greg 2.4 case 'a': /* aspect */
305     check(3,"f");
306     pixaspect = atof(argv[++i]);
307     break;
308 greg 1.11 #endif
309 greg 2.30 #if RVIEW
310     case 'e': /* exposure */
311     check(3,"f");
312     exposure = atof(argv[++i]);
313     if (argv[i][0] == '+' || argv[i][0] == '-')
314     exposure = pow(2.0, exposure);
315     break;
316     #endif
317 greg 1.1 default:
318 greg 1.10 goto badopt;
319 greg 1.1 }
320     break;
321     #endif
322 greg 1.22 #if RPICT|RTRACE
323 greg 1.1 case 'x': /* x resolution */
324 greg 1.49 check(2,"i");
325 greg 1.1 hresolu = atoi(argv[++i]);
326     break;
327     case 'y': /* y resolution */
328 greg 1.49 check(2,"i");
329 greg 1.1 vresolu = atoi(argv[++i]);
330     break;
331 greg 1.22 #endif
332 greg 1.1 case 'w': /* warnings */
333 greg 1.43 rval = wrnvec != NULL;
334     bool(2,rval);
335 greg 2.6 if (rval) wrnvec = stderr_v;
336     else wrnvec = NULL;
337 greg 1.1 break;
338     case 'e': /* error file */
339 greg 1.49 check(2,"s");
340 greg 1.1 errfile = argv[++i];
341     break;
342     case 'l': /* limit */
343     switch (argv[i][2]) {
344     case 'r': /* recursion */
345 greg 1.49 check(3,"i");
346 greg 1.1 maxdepth = atoi(argv[++i]);
347     break;
348     case 'w': /* weight */
349 greg 1.49 check(3,"f");
350 greg 1.1 minweight = atof(argv[++i]);
351     break;
352     default:
353 greg 1.10 goto badopt;
354 greg 1.1 }
355     break;
356 greg 1.36 case 'i': /* irradiance */
357 greg 1.43 bool(2,do_irrad);
358 greg 1.36 break;
359 greg 1.1 #if RPICT
360 greg 2.7 case 'S': /* slave index */
361     check(2,"i");
362     seqstart = atoi(argv[++i]);
363     break;
364     case 'o': /* output file */
365     check(2,"s");
366     outfile = argv[++i];
367     break;
368 greg 1.20 case 'z': /* z file */
369 greg 1.49 check(2,"s");
370 greg 1.20 zfile = argv[++i];
371     break;
372 greg 1.1 case 'r': /* recover file */
373 greg 2.16 if (argv[i][2] == 'o') { /* +output */
374     check(3,"s");
375     outfile = argv[i+1];
376     } else
377     check(2,"s");
378 greg 1.1 recover = argv[++i];
379     break;
380     case 't': /* timer */
381 greg 1.49 check(2,"i");
382 greg 1.1 ralrm = atoi(argv[++i]);
383     break;
384     #endif
385     case 'a': /* ambient */
386     switch (argv[i][2]) {
387     case 'v': /* value */
388 greg 1.49 check(3,"fff");
389 greg 1.1 setcolor(ambval, atof(argv[i+1]),
390     atof(argv[i+2]),
391     atof(argv[i+3]));
392     i += 3;
393     break;
394 greg 2.39 case 'w': /* weight */
395     check(3,"i");
396     ambvwt = atoi(argv[++i]);
397     break;
398 greg 1.1 case 'a': /* accuracy */
399 greg 1.49 check(3,"f");
400 greg 1.1 ambacc = atof(argv[++i]);
401     break;
402     case 'r': /* resolution */
403 greg 1.49 check(3,"i");
404 greg 1.1 ambres = atoi(argv[++i]);
405     break;
406     case 'd': /* divisions */
407 greg 1.49 check(3,"i");
408 greg 1.1 ambdiv = atoi(argv[++i]);
409     break;
410     case 's': /* super-samp */
411 greg 1.49 check(3,"i");
412 greg 1.1 ambssamp = atoi(argv[++i]);
413     break;
414     case 'b': /* bounces */
415 greg 1.49 check(3,"i");
416 greg 1.1 ambounce = atoi(argv[++i]);
417     break;
418     case 'i': /* include */
419 greg 2.5 case 'I':
420 greg 1.49 check(3,"s");
421 greg 1.1 if (ambincl != 1) {
422     ambincl = 1;
423     amblp = amblist;
424     }
425 greg 2.5 if (argv[i][2] == 'I') { /* file */
426 greg 2.13 rval = wordfile(amblp,
427 greg 2.33 getpath(argv[++i],getlibpath(),R_OK));
428 greg 2.5 if (rval < 0) {
429     sprintf(errmsg,
430     "cannot open ambient include file \"%s\"",
431     argv[i]);
432     error(SYSTEM, errmsg);
433     }
434     amblp += rval;
435 greg 2.25 } else {
436 greg 2.5 *amblp++ = argv[++i];
437 greg 2.25 *amblp = NULL;
438     }
439 greg 1.1 break;
440     case 'e': /* exclude */
441 greg 2.5 case 'E':
442 greg 1.49 check(3,"s");
443 greg 1.1 if (ambincl != 0) {
444     ambincl = 0;
445     amblp = amblist;
446     }
447 greg 2.5 if (argv[i][2] == 'E') { /* file */
448 greg 2.13 rval = wordfile(amblp,
449 greg 2.33 getpath(argv[++i],getlibpath(),R_OK));
450 greg 2.5 if (rval < 0) {
451     sprintf(errmsg,
452     "cannot open ambient exclude file \"%s\"",
453     argv[i]);
454     error(SYSTEM, errmsg);
455     }
456     amblp += rval;
457 greg 2.25 } else {
458 greg 2.5 *amblp++ = argv[++i];
459 greg 2.25 *amblp = NULL;
460     }
461 greg 1.1 break;
462     case 'f': /* file */
463 greg 1.49 check(3,"s");
464 greg 1.1 ambfile= argv[++i];
465     break;
466     default:
467 greg 1.10 goto badopt;
468 greg 1.1 }
469     break;
470 greg 2.38 case 'm': /* medium */
471     switch (argv[i][2]) {
472     case 'e': /* extinction */
473     check(3,"fff");
474     setcolor(cextinction, atof(argv[i+1]),
475     atof(argv[i+2]),
476     atof(argv[i+3]));
477     i += 3;
478     break;
479     case 'a': /* albedo */
480 greg 2.40 check(3,"fff");
481     setcolor(salbedo, atof(argv[i+1]),
482     atof(argv[i+2]),
483     atof(argv[i+3]));
484     i += 3;
485 greg 2.38 break;
486     case 'g': /* eccentr. */
487     check(3,"f");
488     seccg = atof(argv[++i]);
489     break;
490     case 's': /* sampling */
491     check(3,"f");
492     ssampdist = atof(argv[++i]);
493     break;
494     default:
495     goto badopt;
496     }
497     break;
498 greg 1.1 #if RTRACE
499 greg 1.36 case 'I': /* immed. irradiance */
500 greg 1.43 bool(2,imm_irrad);
501 greg 1.36 break;
502 greg 1.1 case 'f': /* format i/o */
503     switch (argv[i][2]) {
504     case 'a': /* ascii */
505     case 'f': /* float */
506     case 'd': /* double */
507     inform = argv[i][2];
508     break;
509     default:
510 greg 1.10 goto badopt;
511 greg 1.1 }
512     switch (argv[i][3]) {
513     case '\0':
514     outform = inform;
515     break;
516     case 'a': /* ascii */
517     case 'f': /* float */
518     case 'd': /* double */
519 greg 2.7 case 'c': /* color */
520 greg 1.49 check(4,"");
521 greg 1.1 outform = argv[i][3];
522     break;
523     default:
524 greg 1.10 goto badopt;
525 greg 1.1 }
526     break;
527     case 'o': /* output */
528     outvals = argv[i]+2;
529     break;
530 greg 1.44 case 'h': /* header output */
531     rval = loadflags & IO_INFO;
532     bool(2,rval);
533     loadflags = rval ? loadflags | IO_INFO :
534     loadflags & ~IO_INFO;
535 greg 1.1 break;
536 greg 2.25 case 't': /* trace */
537     switch (argv[i][2]) {
538     case 'i': /* include */
539     case 'I':
540     check(3,"s");
541     if (traincl != 1) {
542     traincl = 1;
543     tralp = tralist;
544     }
545     if (argv[i][2] == 'I') { /* file */
546     rval = wordfile(tralp,
547 greg 2.33 getpath(argv[++i],getlibpath(),R_OK));
548 greg 2.25 if (rval < 0) {
549     sprintf(errmsg,
550     "cannot open trace include file \"%s\"",
551     argv[i]);
552     error(SYSTEM, errmsg);
553     }
554     tralp += rval;
555     } else {
556     *tralp++ = argv[++i];
557     *tralp = NULL;
558     }
559     break;
560     case 'e': /* exclude */
561     case 'E':
562     check(3,"s");
563     if (traincl != 0) {
564     traincl = 0;
565     tralp = tralist;
566     }
567     if (argv[i][2] == 'E') { /* file */
568     rval = wordfile(tralp,
569 greg 2.33 getpath(argv[++i],getlibpath(),R_OK));
570 greg 2.25 if (rval < 0) {
571     sprintf(errmsg,
572     "cannot open trace exclude file \"%s\"",
573     argv[i]);
574     error(SYSTEM, errmsg);
575     }
576     tralp += rval;
577     } else {
578     *tralp++ = argv[++i];
579     *tralp = NULL;
580     }
581     break;
582     default:
583     goto badopt;
584     }
585     break;
586 greg 1.1 #endif
587     #if RVIEW
588     case 'o': /* output device */
589 greg 1.49 check(2,"s");
590 greg 1.1 devname = argv[++i];
591 greg 2.28 break;
592     case 'R': /* render input file */
593     check(2,"s");
594     strcpy(rifname, argv[++i]);
595 greg 1.1 break;
596     #endif
597 greg 2.18 #ifdef PERSIST
598     case 'P': /* persist file */
599     if (argv[i][2] == 'P') {
600     check(3,"s");
601 greg 2.27 persist = PARALLEL;
602 greg 2.18 } else {
603     check(2,"s");
604 greg 2.27 persist = PERSIST;
605 greg 2.18 }
606     persistfile(argv[++i]);
607     break;
608     #endif
609 greg 1.1 default:
610 greg 1.19 goto badopt;
611 greg 1.1 }
612     }
613     #if RPICT|RVIEW
614     err = setview(&ourview); /* set viewing parameters */
615     if (err != NULL)
616     error(USER, err);
617     #endif
618     /* set up signal handling */
619     sigdie(SIGINT, "Interrupt");
620     sigdie(SIGHUP, "Hangup");
621     sigdie(SIGTERM, "Terminate");
622     sigdie(SIGPIPE, "Broken pipe");
623 greg 1.45 sigdie(SIGALRM, "Alarm clock");
624 greg 2.10 #ifdef SIGXCPU
625 greg 1.1 sigdie(SIGXCPU, "CPU limit exceeded");
626     sigdie(SIGXFSZ, "File size exceeded");
627     #endif
628     /* open error file */
629     if (errfile != NULL) {
630     if (freopen(errfile, "a", stderr) == NULL)
631 greg 1.14 quit(2);
632 greg 1.1 fprintf(stderr, "**************\n*** PID %5d: ",
633     getpid());
634     printargs(argc, argv, stderr);
635 greg 2.12 putc('\n', stderr);
636 greg 1.1 fflush(stderr);
637     }
638 greg 2.10 #ifdef NICE
639 greg 1.1 nice(NICE); /* lower priority */
640     #endif
641 greg 1.19 /* get octree */
642 greg 1.1 #if RVIEW
643     loadflags &= ~IO_INFO;
644     #endif
645     if (i == argc)
646 greg 1.19 octname = NULL;
647     else if (i == argc-1)
648     octname = argv[i];
649 greg 1.1 else
650 greg 1.19 goto badopt;
651 greg 2.7 if (
652     #if RPICT
653     seqstart > 0 &&
654     #endif
655     octname == NULL)
656 greg 1.19 error(USER, "missing octree argument");
657 greg 2.26 /* set up output */
658 greg 2.18 #ifdef PERSIST
659     if (persist) {
660 greg 2.7 #if RPICT
661 greg 2.26 if (recover != NULL)
662     error(USER, "persist option used with recover file");
663 greg 2.18 if (seqstart <= 0)
664     error(USER, "persist option only for sequences");
665 greg 2.26 if (outfile == NULL)
666 greg 2.18 #endif
667     duped1 = dup(fileno(stdout)); /* don't lose our output */
668     openheader();
669     }
670     #if RPICT
671 greg 2.27 else
672     #endif
673     #endif
674     #if RPICT
675 greg 2.7 if (outfile != NULL)
676     openheader();
677 greg 1.1 #endif
678 greg 2.10 #ifdef MSDOS
679     #if RTRACE
680     if (outform != 'a')
681     #endif
682     setmode(fileno(stdout), O_BINARY);
683     if (octname == NULL)
684     setmode(fileno(stdin), O_BINARY);
685     #endif
686 greg 1.19 readoct(octname, loadflags, &thescene, NULL);
687 greg 2.9 nsceneobjs = nobjects;
688 greg 1.1
689     if (loadflags & IO_INFO) { /* print header */
690     printargs(i, argv, stdout);
691 greg 1.46 printf("SOFTWARE= %s\n", VersionID);
692 greg 2.8 #if RTRACE
693     fputformat(formstr(outform), stdout);
694     putchar('\n');
695     #endif
696 greg 1.1 }
697    
698     marksources(); /* find and mark sources */
699    
700 greg 1.24 setambient(ambfile); /* initialize ambient calculation */
701 greg 1.1
702 greg 2.18 #ifdef PERSIST
703     if (persist) {
704 greg 2.26 fflush(stdout);
705     if (outfile == NULL) { /* reconnect stdout */
706     dup2(duped1, fileno(stdout));
707     close(duped1);
708     }
709 greg 2.27 if (persist == PARALLEL) { /* multiprocessing */
710 greg 2.18 preload_objs(); /* preload scene */
711 greg 2.36 strcpy(shm_boundary=bmalloc(16), "SHM_BOUNDARY");
712 greg 2.18 while ((rval=fork()) == 0) { /* keep on forkin' */
713     pflock(1);
714     pfhold();
715 greg 2.32 tstart = time((time_t *)NULL);
716 greg 2.18 }
717     if (rval < 0)
718     error(SYSTEM, "cannot fork child for persist function");
719 greg 2.27 pfdetach(); /* parent exits */
720 greg 2.18 }
721     }
722     runagain:
723 greg 2.27 if (persist)
724     if (outfile == NULL) /* if out to stdout */
725     dupheader(); /* send header */
726     else /* if out to file */
727     duped1 = dup(fileno(stdout)); /* hang onto pipe */
728 greg 2.18 #endif
729 greg 1.1 #if RPICT
730 greg 2.7 rpict(seqstart, outfile, zfile, recover);
731 greg 1.1 #endif
732     #if RTRACE
733 greg 2.8 rtrace(NULL);
734 greg 1.1 #endif
735     #if RVIEW
736 greg 2.8 rview();
737 greg 2.18 #endif
738 greg 2.21 ambsync(); /* flush ambient file */
739 greg 2.18 #ifdef PERSIST
740 greg 2.27 if (persist == PERSIST) { /* first run-through */
741 greg 2.20 if ((rval=fork()) == 0) { /* child loops until killed */
742     pflock(1);
743 greg 2.27 persist = PCHILD;
744 greg 2.20 } else { /* original process exits */
745     if (rval < 0)
746     error(SYSTEM, "cannot fork child for persist function");
747 greg 2.27 pfdetach(); /* parent exits */
748 greg 2.20 }
749     }
750 greg 2.27 if (persist == PCHILD) { /* wait for a signal then go again */
751     if (outfile != NULL)
752     close(duped1); /* release output handle */
753 greg 2.20 pfhold();
754 greg 2.32 tstart = time((time_t *)NULL); /* reinitialize */
755 greg 2.22 raynum = nrays = 0;
756 greg 2.18 goto runagain;
757     }
758 greg 1.1 #endif
759     quit(0);
760 greg 1.19
761     badopt:
762     sprintf(errmsg, "command line error at '%s'", argv[i]);
763     error(USER, errmsg);
764    
765 greg 2.10 #undef check
766     #undef bool
767 greg 1.1 }
768    
769    
770     eputs(s) /* error output */
771     char *s;
772     {
773     if (errvec != NULL)
774     (*errvec)(s);
775     }
776    
777    
778     wputs(s) /* warning output */
779     char *s;
780     {
781 greg 2.3 int lasterrno = errno; /* save errno */
782    
783 greg 1.1 if (wrnvec != NULL)
784     (*wrnvec)(s);
785 greg 2.3
786     errno = lasterrno;
787 greg 1.1 }
788    
789    
790     cputs(s) /* command error output */
791     char *s;
792     {
793     if (cmdvec != NULL)
794     (*cmdvec)(s);
795     }
796    
797    
798     stderr_v(s) /* put string to stderr */
799     register char *s;
800     {
801 greg 1.26 static int midline = 0;
802 greg 1.1
803 greg 1.27 if (!*s)
804     return;
805 greg 1.26 if (!midline++) {
806 greg 1.1 fputs(progname, stderr);
807     fputs(": ", stderr);
808     }
809     fputs(s, stderr);
810 greg 1.27 if (s[strlen(s)-1] == '\n') {
811 greg 1.1 fflush(stderr);
812 greg 1.26 midline = 0;
813 greg 1.1 }
814     }
815    
816    
817     onsig(signo) /* fatal signal */
818     int signo;
819     {
820 greg 1.8 static int gotsig = 0;
821    
822     if (gotsig++) /* two signals and we're gone! */
823 greg 1.9 _exit(signo);
824 greg 1.8
825 greg 1.48 alarm(15); /* allow 15 seconds to clean up */
826     signal(SIGALRM, SIG_DFL); /* make certain we do die */
827 greg 1.1 eputs("signal - ");
828     eputs(sigerr[signo]);
829     eputs("\n");
830 greg 1.14 quit(3);
831 greg 1.1 }
832    
833    
834     sigdie(signo, msg) /* set fatal signal */
835     int signo;
836     char *msg;
837     {
838     if (signal(signo, onsig) == SIG_IGN)
839     signal(signo, SIG_IGN);
840     sigerr[signo] = msg;
841     }
842    
843    
844     printdefaults() /* print default values to stdout */
845     {
846     register char *cp;
847    
848 greg 1.43 #if RTRACE
849     if (imm_irrad)
850     printf("-I+\t\t\t\t# immediate irradiance on\n");
851     else
852     #endif
853     printf(do_irrad ? "-i+\t\t\t\t# irradiance calculation on\n" :
854     "-i-\t\t\t\t# irradiance calculation off\n");
855 greg 1.49 #if RVIEW
856     printf(greyscale ? "-b+\t\t\t\t# greyscale on\n" :
857     "-b-\t\t\t\t# greyscale off\n");
858     #endif
859 greg 1.1 #if RPICT|RVIEW
860 greg 1.7 printf("-vt%c\t\t\t\t# view type %s\n", ourview.type,
861 greg 1.1 ourview.type==VT_PER ? "perspective" :
862     ourview.type==VT_PAR ? "parallel" :
863 greg 1.28 ourview.type==VT_HEM ? "hemispherical" :
864     ourview.type==VT_ANG ? "angular" :
865 greg 2.37 ourview.type==VT_CYL ? "cylindrical" :
866 greg 1.1 "unknown");
867     printf("-vp %f %f %f\t# view point\n",
868     ourview.vp[0], ourview.vp[1], ourview.vp[2]);
869 greg 2.11 printf("-vd %f %f %f\t# view direction\n",
870 greg 1.1 ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]);
871 greg 2.11 printf("-vu %f %f %f\t# view up\n",
872 greg 1.1 ourview.vup[0], ourview.vup[1], ourview.vup[2]);
873     printf("-vh %f\t\t\t# view horizontal size\n", ourview.horiz);
874     printf("-vv %f\t\t\t# view vertical size\n", ourview.vert);
875 greg 2.34 printf("-vo %f\t\t\t# view fore clipping plane\n", ourview.vfore);
876     printf("-va %f\t\t\t# view aft clipping plane\n", ourview.vaft);
877 greg 1.22 printf("-vs %f\t\t\t# view shift\n", ourview.hoff);
878     printf("-vl %f\t\t\t# view lift\n", ourview.voff);
879 greg 1.1 #endif
880 greg 1.22 #if RPICT|RTRACE
881 greg 1.1 printf("-x %-9d\t\t\t# x resolution\n", hresolu);
882     printf("-y %-9d\t\t\t# y resolution\n", vresolu);
883 greg 1.22 #endif
884     #if RPICT
885 greg 2.4 printf("-pa %f\t\t\t# pixel aspect ratio\n", pixaspect);
886     printf("-pj %f\t\t\t# pixel jitter\n", dstrpix);
887 greg 2.30 #endif
888     #if RVIEW
889     printf("-pe %f\t\t\t# pixel exposure\n", exposure);
890 greg 1.22 #endif
891 greg 1.1 #if RPICT|RVIEW
892 greg 2.4 printf("-ps %-9d\t\t\t# pixel sample\n", psample);
893     printf("-pt %f\t\t\t# pixel threshold\n", maxdiff);
894 greg 1.22 #endif
895 greg 2.35 printf(backvis ? "-bv+\t\t\t\t# back face visibility on\n" :
896     "-bv-\t\t\t\t# back face visibility off\n");
897 greg 1.29 printf("-dt %f\t\t\t# direct threshold\n", shadthresh);
898     printf("-dc %f\t\t\t# direct certainty\n", shadcert);
899     printf("-dj %f\t\t\t# direct jitter\n", dstrsrc);
900 greg 1.47 printf("-ds %f\t\t\t# direct sampling\n", srcsizerat);
901 greg 1.39 printf("-dr %-9d\t\t\t# direct relays\n", directrelay);
902 greg 1.40 printf("-dp %-9d\t\t\t# direct pretest density\n", vspretest);
903 greg 2.17 printf(directvis ? "-dv+\t\t\t\t# direct visibility on\n" :
904     "-dv-\t\t\t\t# direct visibility off\n");
905 greg 2.4 printf("-sj %f\t\t\t# specular jitter\n", specjitter);
906     printf("-st %f\t\t\t# specular threshold\n", specthresh);
907 greg 1.1 printf("-av %f %f %f\t# ambient value\n", colval(ambval,RED),
908     colval(ambval,GRN), colval(ambval, BLU));
909 greg 2.39 printf("-aw %-9d\t\t\t# ambient value weight\n", ambvwt);
910 greg 1.1 printf("-ab %-9d\t\t\t# ambient bounces\n", ambounce);
911     printf("-aa %f\t\t\t# ambient accuracy\n", ambacc);
912     printf("-ar %-9d\t\t\t# ambient resolution\n", ambres);
913     printf("-ad %-9d\t\t\t# ambient divisions\n", ambdiv);
914     printf("-as %-9d\t\t\t# ambient super-samples\n", ambssamp);
915 greg 2.38 printf("-me %.2e %.2e %.2e\t# extinction coefficient\n",
916     colval(cextinction,RED),
917     colval(cextinction,GRN),
918     colval(cextinction,BLU));
919 greg 2.40 printf("-ma %f %f %f\t# scattering albedo\n", colval(salbedo,RED),
920     colval(salbedo,GRN), colval(salbedo,BLU));
921 greg 2.38 printf("-mg %f\t\t\t# scattering eccentricity\n", seccg);
922     printf("-ms %f\t\t\t# mist sampling distance\n", ssampdist);
923 greg 1.1 printf("-lr %-9d\t\t\t# limit reflection\n", maxdepth);
924     printf("-lw %f\t\t\t# limit weight\n", minweight);
925     #if RPICT
926     printf("-t %-9d\t\t\t# time between reports\n", ralrm);
927     #endif
928     #if RVIEW
929     printf("-o %s\t\t\t\t# output device\n", devname);
930     #endif
931     #if RTRACE
932     printf("-f%c%c\t\t\t\t# format input/output = %s/%s\n",
933 greg 2.7 inform, outform, formstr(inform), formstr(outform));
934 greg 1.1 printf("-o%s\t\t\t\t# output", outvals);
935     for (cp = outvals; *cp; cp++)
936     switch (*cp) {
937     case 't': printf(" trace"); break;
938     case 'o': printf(" origin"); break;
939     case 'd': printf(" direction"); break;
940     case 'v': printf(" value"); break;
941     case 'l': printf(" length"); break;
942 greg 2.14 case 'L': printf(" first_length"); break;
943 greg 1.1 case 'p': printf(" point"); break;
944     case 'n': printf(" normal"); break;
945 greg 2.14 case 'N': printf(" unperturbed_normal"); break;
946 greg 1.1 case 's': printf(" surface"); break;
947     case 'w': printf(" weight"); break;
948     case 'm': printf(" modifier"); break;
949     }
950 greg 2.7 putchar('\n');
951 greg 1.1 #endif
952 greg 1.43 printf(wrnvec != NULL ? "-w+\t\t\t\t# warning messages on\n" :
953     "-w-\t\t\t\t# warning messages off\n");
954 greg 1.1 }