int
sscanview( /* get view parameters from string */
VIEW *vp,
char *s
)
{
int ac;
char *av[4];
int na;
int nvopts = 0;
while (isspace(*s))
if (!*s++)
return(0);
while (*s) {
ac = 0;
do {
if (ac || *s == '-')
av[ac++] = s;
while (*s && !isspace(*s))
s++;
while (isspace(*s))
s++;
} while (*s && ac < 4);
if ((na = getviewopt(vp, ac, av)) >= 0) {
if (na+1 < ac)
s = av[na+1];
nvopts++;
} else if (ac > 1)
s = av[1];
}
return(nvopts);
}
int
main(int argc, char *argv[])
{
#define check(ol,al) if (argv[i][ol] || \
badarg(argc-i-1,argv+i+1,al)) \
goto badopt
#define bool(olen,var) switch (argv[i][olen]) { \
case '\0': var = !var; break; \
case 'y': case 'Y': case 't': case 'T': \
case '+': case '1': var = 1; break; \
case 'n': case 'N': case 'f': case 'F': \
case '-': case '0': var = 0; break; \
default: goto badopt; }
char *err;
char *recover = NULL;
char *outfile = NULL;
char *zfile = NULL;
int loadflags = ~IO_FILES;
int seqstart = 0;
int persist = 0;
int duped1 = -1;
int rval;
int i;
/* record start time */
tstart = time((time_t *)NULL);
/* global program name */
progname = argv[0] = fixargv0(argv[0]);
/* option city */
for (i = 1; i < argc; i++) {
/* expand arguments */
while ((rval = expandarg(&argc, &argv, i)) > 0)
;
if (rval < 0) {
sprintf(errmsg, "cannot expand '%s'", argv[i]);
error(SYSTEM, errmsg);
}
if (argv[i] == NULL || argv[i][0] != '-')
break; /* break from options */
if (!strcmp(argv[i], "-version")) {
puts(VersionID);
quit(0);
}
if (!strcmp(argv[i], "-defaults") ||
!strcmp(argv[i], "-help")) {
printdefaults();
quit(0);
}
rval = getrenderopt(argc-i, argv+i);
if (rval >= 0) {
i += rval;
continue;
}
rval = getviewopt(&ourview, argc-i, argv+i);
if (rval >= 0) {
i += rval;
continue;
}
/* rpict options */
switch (argv[i][1]) {
case 'v': /* view file */
if (argv[i][2] != 'f')
goto badopt;
check(3,"s");
rval = viewfile(argv[++i], &ourview, NULL);
if (rval < 0) {
sprintf(errmsg,
"cannot open view file \"%s\"",
argv[i]);
error(SYSTEM, errmsg);
} else if (rval == 0) {
sprintf(errmsg,
"bad view file \"%s\"",
argv[i]);
error(USER, errmsg);
}
break;
case 'p': /* pixel */
switch (argv[i][2]) {
case 's': /* sample */
check(3,"i");
psample = atoi(argv[++i]);
break;
case 't': /* threshold */
check(3,"f");
maxdiff = atof(argv[++i]);
break;
case 'j': /* jitter */
check(3,"f");
dstrpix = atof(argv[++i]);
break;
case 'a': /* aspect */
check(3,"f");
pixaspect = atof(argv[++i]);
break;
case 'm': /* motion */
check(3,"f");
mblur = atof(argv[++i]);
break;
case 'd': /* aperture */
check(3,"f");
dblur = atof(argv[++i]);
break;
default:
goto badopt;
}
break;
case 'x': /* x resolution */
check(2,"i");
hresolu = atoi(argv[++i]);
break;
case 'y': /* y resolution */
check(2,"i");
vresolu = atoi(argv[++i]);
break;
case 'S': /* slave index */
check(2,"i");
seqstart = atoi(argv[++i]);
break;
case 'o': /* output file */
check(2,"s");
outfile = argv[++i];
break;
case 'z': /* z file */
check(2,"s");
zfile = argv[++i];
break;
case 'r': /* recover file */
if (argv[i][2] == 'o') { /* +output */
check(3,"s");
outfile = argv[i+1];
} else
check(2,"s");
recover = argv[++i];
break;
case 't': /* timer */
check(2,"i");
ralrm = atoi(argv[++i]);
break;
#ifdef PERSIST
case 'P': /* persist file */
if (argv[i][2] == 'P') {
check(3,"s");
persist = PARALLEL;
} else {
check(2,"s");
persist = PERSIST;
}
persistfile(argv[++i]);
break;
#endif
case 'w': /* warnings */
rval = erract[WARNING].pf != NULL;
bool(2,rval);
if (rval) erract[WARNING].pf = wputs;
else erract[WARNING].pf = NULL;
break;
case 'e': /* error file */
check(2,"s");
errfile = argv[++i];
break;
default:
goto badopt;
}
}
err = setview(&ourview); /* set viewing parameters */
if (err != NULL)
error(USER, err);
/* initialize object types */
initotypes();
/* initialize urand */
if (rand_samp) {
srandom((long)time(0));
initurand(0);
} else {
srandom(0L);
initurand(2048);
}
/* set up signal handling */
sigdie(SIGINT, "Interrupt");
#ifdef SIGHUP
sigdie(SIGHUP, "Hangup");
#endif
sigdie(SIGTERM, "Terminate");
#ifdef SIGPIPE
sigdie(SIGPIPE, "Broken pipe");
#endif
#ifdef SIGALRM
sigdie(SIGALRM, "Alarm clock");
#endif
#ifdef SIGXCPU
sigdie(SIGXCPU, "CPU limit exceeded");
sigdie(SIGXFSZ, "File size exceeded");
#endif
/* open error file */
if (errfile != NULL) {
if (freopen(errfile, "a", stderr) == NULL)
quit(2);
fprintf(stderr, "**************\n*** PID %5d: ",
getpid());
printargs(argc, argv, stderr);
putc('\n', stderr);
fflush(stderr);
}
#ifdef NICE
nice(NICE); /* lower priority */
#endif
/* get octree */
if (i == argc)
octname = NULL;
else if (i == argc-1)
octname = argv[i];
else
goto badopt;
if (seqstart > 0 && octname == NULL)
error(USER, "missing octree argument");
/* set up output */
#ifdef PERSIST
if (persist) {
if (recover != NULL)
error(USER, "persist option used with recover file");
if (seqstart <= 0)
error(USER, "persist option only for sequences");
if (outfile == NULL)
duped1 = dup(fileno(stdout)); /* don't lose our output */
openheader();
} else
#endif
if (outfile != NULL)
openheader();
#ifdef _WIN32
SET_FILE_BINARY(stdout);
if (octname == NULL)
SET_FILE_BINARY(stdin);
#endif
readoct(octname, loadflags, &thescene, NULL);
nsceneobjs = nobjects;
if (loadflags & IO_INFO) { /* print header */
printargs(i, argv, stdout);
printf("SOFTWARE= %s\n", VersionID);
}
marksources(); /* find and mark sources */
setambient(); /* initialize ambient calculation */
#ifdef PERSIST
if (persist) {
fflush(stdout);
if (outfile == NULL) { /* reconnect stdout */
dup2(duped1, fileno(stdout));
close(duped1);
}
if (persist == PARALLEL) { /* multiprocessing */
preload_objs(); /* preload scene */
shm_boundary = (char *)malloc(16);
strcpy(shm_boundary, "SHM_BOUNDARY");
while ((rval=fork()) == 0) { /* keep on forkin' */
pflock(1);
pfhold();
tstart = time((time_t *)NULL);
ambsync(); /* load new values */
}
if (rval < 0)
error(SYSTEM, "cannot fork child for persist function");
pfdetach(); /* parent will run then exit */
}
}
runagain:
if (persist) {
if (outfile == NULL) /* if out to stdout */
dupheader(); /* send header */
else /* if out to file */
duped1 = dup(fileno(stdout)); /* hang onto pipe */
}
#endif
/* batch render picture(s) */
rpict(seqstart, outfile, zfile, recover);
/* flush ambient file */
ambsync();
#ifdef PERSIST
if (persist == PERSIST) { /* first run-through */
if ((rval=fork()) == 0) { /* child loops until killed */
pflock(1);
persist = PCHILD;
} else { /* original process exits */
if (rval < 0)
error(SYSTEM, "cannot fork child for persist function");
pfdetach(); /* parent exits */
}
}
if (persist == PCHILD) { /* wait for a signal then go again */
if (outfile != NULL)
close(duped1); /* release output handle */
pfhold();
tstart = time((time_t *)NULL); /* reinitialize */
raynum = nrays = 0;
goto runagain;
}
#endif
quit(0);
badopt:
sprintf(errmsg, "command line error at '%s'", argv[i]);
error(USER, errmsg);
return 1; /* pro forma return */
#undef check
#undef bool
}
int
main(int argc, char *argv[])
{
#define check(ol,al) if (argv[i][ol] || \
badarg(argc-i-1,argv+i+1,al)) \
goto badopt
#define check_bool(olen,var) switch (argv[i][olen]) { \
case '\0': var = !var; break; \
case 'y': case 'Y': case 't': case 'T': \
case '+': case '1': var = 1; break; \
case 'n': case 'N': case 'f': case 'F': \
case '-': case '0': var = 0; break; \
default: goto badopt; }
char *octnm = NULL;
char *err;
int rval;
int i;
/* global program name */
progname = argv[0] = fixargv0(argv[0]);
/* set our defaults */
shadthresh = .1;
shadcert = .25;
directrelay = 0;
vspretest = 128;
srcsizerat = 0.;
specthresh = .3;
specjitter = 1.;
maxdepth = 6;
minweight = 1e-2;
ambacc = 0.3;
ambres = 32;
ambdiv = 256;
ambssamp = 64;
/* option city */
for (i = 1; i < argc; i++) {
/* expand arguments */
while ((rval = expandarg(&argc, &argv, i)) > 0)
;
if (rval < 0) {
sprintf(errmsg, "cannot expand '%s'", argv[i]);
error(SYSTEM, errmsg);
}
if (argv[i] == NULL || argv[i][0] != '-')
break; /* break from options */
if (!strcmp(argv[i], "-version")) {
puts(VersionID);
quit(0);
}
if (!strcmp(argv[i], "-defaults") ||
!strcmp(argv[i], "-help")) {
printdefaults();
quit(0);
}
if (!strcmp(argv[i], "-devices")) {
printdevices();
quit(0);
}
rval = getrenderopt(argc-i, argv+i);
if (rval >= 0) {
i += rval;
continue;
}
rval = getviewopt(&ourview, argc-i, argv+i);
if (rval >= 0) {
i += rval;
continue;
}
switch (argv[i][1]) {
case 'n': /* # processes */
check(2,"i");
nproc = atoi(argv[++i]);
if (nproc <= 0)
error(USER, "bad number of processes");
break;
case 'v': /* view file */
if (argv[i][2] != 'f')
goto badopt;
check(3,"s");
rval = viewfile(argv[++i], &ourview, NULL);
if (rval < 0) {
sprintf(errmsg,
"cannot open view file \"%s\"",
argv[i]);
error(SYSTEM, errmsg);
} else if (rval == 0) {
sprintf(errmsg,
"bad view file \"%s\"",
argv[i]);
error(USER, errmsg);
}
break;
case 'b': /* grayscale */
check_bool(2,greyscale);
break;
case 'p': /* pixel */
switch (argv[i][2]) {
case 's': /* sample */
check(3,"i");
psample = atoi(argv[++i]);
break;
case 't': /* threshold */
check(3,"f");
maxdiff = atof(argv[++i]);
break;
case 'e': /* exposure */
check(3,"f");
exposure = atof(argv[++i]);
if (argv[i][0] == '+' || argv[i][0] == '-')
exposure = pow(2.0, exposure);
break;
default:
goto badopt;
}
break;
case 'w': /* warnings */
rval = erract[WARNING].pf != NULL;
check_bool(2,rval);
if (rval) erract[WARNING].pf = wputs;
else erract[WARNING].pf = NULL;
break;
case 'e': /* error file */
check(2,"s");
errfile = argv[++i];
break;
case 'o': /* output device */
check(2,"s");
dvcname = argv[++i];
break;
case 'R': /* render input file */
check(2,"s");
strcpy(rifname, argv[++i]);
break;
default:
goto badopt;
}
}
err = setview(&ourview); /* set viewing parameters */
if (err != NULL)
error(USER, err);
/* set up signal handling */
sigdie(SIGINT, "Interrupt");
sigdie(SIGTERM, "Terminate");
#if !defined(_WIN32) && !defined(_WIN64)
sigdie(SIGHUP, "Hangup");
sigdie(SIGPIPE, "Broken pipe");
sigdie(SIGALRM, "Alarm clock");
#endif
/* open error file */
if (errfile != NULL) {
if (freopen(errfile, "a", stderr) == NULL)
quit(2);
fprintf(stderr, "**************\n*** PID %5d: ",
getpid());
printargs(argc, argv, stderr);
putc('\n', stderr);
fflush(stderr);
}
#ifdef NICE
nice(NICE); /* lower priority */
#endif
/* get octree */
if (i == argc)
octnm = NULL;
else if (i == argc-1)
octnm = argv[i];
else
goto badopt;
if (octnm == NULL)
error(USER, "missing octree argument");
/* set up output & start process(es) */
SET_FILE_BINARY(stdout);
ray_init(octnm); /* also calls ray_init_pmap() */
/* temporary shortcut, until winrview is refactored into a "device" */
#ifndef WIN_RVIEW
rview(); /* run interactive viewer */
devclose(); /* close output device */
#endif
/* PMAP: free photon maps */
ray_done_pmap();
#ifdef WIN_RVIEW
return 1;
#endif
quit(0);
badopt:
sprintf(errmsg, "command line error at '%s'", argv[i]);
error(USER, errmsg);
return 1; /* pro forma return */
#undef check
#undef check_bool
}