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 *curout = NULL; char *binval = NULL; int bincnt = 0; int rval; int i; /* global program name */ progname = argv[0] = fixargv0(argv[0]); gargv = argv; gargc = argc; /* initialize calcomp routines early */ initfunc(); setcontext(RCCONTEXT); /* 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")) { override_options(); printdefaults(); quit(0); } rval = getrenderopt(argc-i, argv+i); if (rval >= 0) { i += rval; continue; } switch (argv[i][1]) { case 'n': /* number of cores */ check(2,"i"); nproc = atoi(argv[++i]); if (nproc <= 0) error(USER, "bad number of processes"); break; case 'V': /* output contributions */ bool(2,contrib); break; case 'x': /* x resolution */ check(2,"i"); xres = atoi(argv[++i]); break; case 'y': /* y resolution */ check(2,"i"); yres = atoi(argv[++i]); break; 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': /* expression */ check(2,"s"); scompile(argv[++i], NULL, 0); break; case 'l': /* limit distance */ if (argv[i][2] != 'd') goto badopt; bool(3,lim_dist); break; case 'I': /* immed. irradiance */ bool(2,imm_irrad); break; case 'f': /* file or force or format */ if (!argv[i][2]) { check(2,"s"); loadfunc(argv[++i]); break; } if (argv[i][2] == 'o') { bool(3,force_open); break; } setformat(argv[i]+2); break; case 'o': /* output */ check(2,"s"); curout = argv[++i]; break; case 'c': /* input rays per output */ check(2,"i"); accumulate = atoi(argv[++i]); break; case 'r': /* recover output */ bool(2,recover); break; case 'h': /* header output */ bool(2,header); break; case 'b': /* bin expression/count */ if (argv[i][2] == 'n') { check(3,"s"); bincnt = (int)(eval(argv[++i]) + .5); break; } check(2,"s"); binval = argv[++i]; break; case 'm': /* modifier name */ check(2,"s"); addmodifier(argv[++i], curout, binval, bincnt); break; case 'M': /* modifier file */ check(2,"s"); addmodfile(argv[++i], curout, binval, bincnt); break; default: goto badopt; } } if (nmods <= 0) error(USER, "missing required modifier argument"); /* override some option settings */ override_options(); /* 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 #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 (octname == NULL) error(USER, "missing octree argument"); readoct(octname, ~(IO_FILES|IO_INFO), &thescene, NULL); nsceneobjs = nobjects; marksources(); /* find and mark sources */ setambient(); /* initialize ambient calculation */ rcontrib(); /* trace ray contributions (loop) */ ambsync(); /* flush ambient file */ quit(0); /* exit clean */ badopt: fprintf(stderr, "Usage: %s [-n nprocs][-V][-r][-e expr][-f source][-o ospec][-b binv][-bn N] {-m mod | -M file} [rtrace options] octree\n", progname); 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 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; \ } int loadflags = IO_CHECK | IO_SCENE | IO_TREE | IO_BOUNDS, rval, i, j, n; char **portLp = photonPortList, **sensLp = photonSensorList, **amblp = NULL; struct stat pmstat; /* Global program name */ progname = fixargv0(argv [0]); /* Initialize object types */ initotypes(); /* Parse options */ for (i = 1; i < argc; i++) { /* Eggs-pand arguments */ while ((rval = expandarg(&argc, &argv, i))) if (rval < 0) { sprintf(errmsg, "cannot eggs-pand '%s'", argv [i]); error(SYSTEM, errmsg); } if (argv[i] == NULL) break; if (!strcmp(argv [i], "-version")) { puts(VersionID); quit(0); } if (!strcmp(argv [i], "-defaults") || !strcmp(argv [i], "-help")) { printdefaults(); quit(0); } /* Get octree */ if (i == argc - 1) { octname = argv [i]; break; } switch (argv [i][1]) { case 'a': /* Ambient */ switch (argv [i][2]) { case 'i': /* Ambient include */ case 'I': check(3, "s"); if (ambincl != 1) { ambincl = 1; amblp = amblist; } if (argv [i][2] == 'I') { /* Add modifiers from file */ rval = wordfile(amblp, AMBLLEN - (amblp - amblist), getpath(argv [++i], getrlibpath(), R_OK)); if (rval < 0) { sprintf(errmsg, "cannot open ambient include file \"%s\"", argv [i]); error(SYSTEM, errmsg); } amblp += rval; } else { /* Add modifier from next arg */ *amblp++ = savqstr(argv [++i]); *amblp = NULL; } break; case 'e': /* Ambient exclude */ case 'E': check(3, "s"); if (ambincl != 0) { ambincl = 0; amblp = amblist; } if (argv [i][2] == 'E') { /* Add modifiers from file */ rval = wordfile(amblp, AMBLLEN - (amblp - amblist), getpath(argv [++i], getrlibpath(), R_OK)); if (rval < 0) { sprintf(errmsg, "cannot open ambient exclude file \"%s\"", argv [i]); error(SYSTEM, errmsg); } amblp += rval; } else { /* Add modifier from next arg */ *amblp++ = savqstr(argv [++i]); *amblp = NULL; } break; case 'p': /* Pmap-specific */ switch (argv [i][3]) { case 'g': /* Global photon map */ check(4, "ss"); globalPmapParams.fileName = argv [++i]; globalPmapParams.distribTarget = parseMultiplier(argv [++i]); if (!globalPmapParams.distribTarget) goto badopt; globalPmapParams.minGather = globalPmapParams.maxGather = 0; break; case 'p': /* Precomputed global photon map */ check(4, "ssi"); preCompPmapParams.fileName = argv [++i]; preCompPmapParams.distribTarget = parseMultiplier(argv [++i]); if (!preCompPmapParams.distribTarget) goto badopt; preCompPmapParams.minGather = preCompPmapParams.maxGather = atoi(argv [++i]); if (!preCompPmapParams.maxGather) goto badopt; break; case 'c': /* Caustic photon map */ check(4, "ss"); causticPmapParams.fileName = argv [++i]; causticPmapParams.distribTarget = parseMultiplier(argv [++i]); if (!causticPmapParams.distribTarget) goto badopt; break; case 'v': /* Volume photon map */ check(4, "ss"); volumePmapParams.fileName = argv [++i]; volumePmapParams.distribTarget = parseMultiplier(argv [++i]); if (!volumePmapParams.distribTarget) goto badopt; break; case 'd': /* Direct photon map */ check(4, "ss"); directPmapParams.fileName = argv [++i]; directPmapParams.distribTarget = parseMultiplier(argv [++i]); if (!directPmapParams.distribTarget) goto badopt; break; case 'C': /* Contribution photon map */ check(4, "ss"); contribPmapParams.fileName = argv [++i]; contribPmapParams.distribTarget = parseMultiplier(argv [++i]); if (!contribPmapParams.distribTarget) goto badopt; break; case 'D': /* Predistribution factor */ check(4, "f"); preDistrib = atof(argv [++i]); if (preDistrib <= 0) error(USER, "predistrib factor must be > 0"); break; case 'M': /* Max predistribution passes */ check(4, "i"); maxPreDistrib = atoi(argv [++i]); if (maxPreDistrib <= 0) error(USER, "max predistrib passes must be > 0"); break; #if 1 /* Kept for backwards compat, to be phased out by -lr */ case 'm': /* Max photon bounces */ check(4, "i"); photonMaxBounce = atol(argv [++i]); if (photonMaxBounce <= 0) error(USER, "max photon bounces must be > 0"); break; #endif #ifdef PMAP_EKSPERTZ case 'i': /* Add region of interest */ check(4, "ffffff"); n = pmapNumROI; pmapROI = realloc(pmapROI, ++pmapNumROI * sizeof(PhotonMapROI)); if (!pmapROI) error(SYSTEM, "failed to allocate ROI"); pmapROI [n].min [0] = atof(argv [++i]); pmapROI [n].min [1] = atof(argv [++i]); pmapROI [n].min [2] = atof(argv [++i]); pmapROI [n].max [0] = atof(argv [++i]); pmapROI [n].max [1] = atof(argv [++i]); pmapROI [n].max [2] = atof(argv [++i]); for (j = 0; j < 3; j++) if (pmapROI [n].min [j] >= pmapROI [n].max [j]) error(USER, "invalid region of interest " "(swapped min/max?)"); break; #endif case 'P': /* Global photon precomp ratio */ check(4, "f"); finalGather = atof(argv [++i]); if (finalGather <= 0 || finalGather > 1) error(USER, "global photon precomputation ratio " "must be in range ]0, 1]"); break; case 'o': /* Photon port */ case 'O': check(4, "s"); if (argv [i][3] == 'O') { /* Add port modifiers from file */ rval = wordfile(portLp, MAXSET - (portLp - photonPortList), getpath(argv [++i], getrlibpath(), R_OK)); if (rval < 0) { sprintf(errmsg, "cannot open photon port file %s", argv [i]); error(SYSTEM, errmsg); } portLp += rval; } else { /* Add port modifier from next arg, mark end with * NULL */ *portLp++ = savqstr(argv [++i]); *portLp = NULL; } break; case 'r': /* Random seed */ check(4, "i"); randSeed = atoi(argv [++i]); break; case 's': /* Antimatter sensor */ case 'S': check(4, "s"); if (argv[i][3] == 'S') { /* Add sensor modifiers from file */ rval = wordfile(sensLp, MAXSET - (sensLp - photonSensorList), getpath(argv [++i], getrlibpath(), R_OK)); if (rval < 0) { sprintf(errmsg, "cannot open antimatter sensor file %s", argv [i]); error(SYSTEM, errmsg); } sensLp += rval; } else { /* Append modifier to sensor list, mark end with * NULL */ *sensLp++ = savqstr(argv [++i]); *sensLp = NULL; } break; default: goto badopt; } break; default: goto badopt; } break; case 'b': /* Back face visibility */ if (argv [i][2] == 'v') { check_bool(3, backvis); } else goto badopt; break; case 'd': /* Direct */ switch (argv [i][2]) { case 'p': /* PDF samples */ check(3, "f"); pdfSamples = atof(argv [++i]); break; case 's': /* Source partition size ratio */ check(3, "f"); srcsizerat = atof(argv [++i]); break; default: goto badopt; } break; case 'e': /* Diagnostics file */ check(2, "s"); diagFile = argv [++i]; break; case 'f': /* Force overwrite */ if (argv [i][2] == 'o') { check_bool(3, clobber); } else goto badopt; break; #ifdef PMAP_EKSPERTZ case 'l': /* Limits */ switch (argv [i][2]) { case 'd': /* Limit photon path distance */ check(3, "f"); photonMaxDist = atof(argv [++i]); if (photonMaxDist <= 0) error(USER, "max photon distance must be > 0"); break; case 'r': /* Limit photon bounces */ check(3, "i"); photonMaxBounce = atol(argv [++i]); if (photonMaxBounce <= 0) error(USER, "max photon bounces must be > 0"); break; default: goto badopt; } break; #endif case 'm': /* Medium */ switch (argv[i][2]) { case 'e': /* Eggs-tinction coefficient */ check(3, "fff"); setcolor(cextinction, atof(argv [i + 1]), atof(argv [i + 2]), atof(argv [i + 3])); i += 3; break; case 'a': /* Albedo */ check(3, "fff"); setcolor(salbedo, atof(argv [i + 1]), atof(argv [i + 2]), atof(argv [i + 3])); i += 3; break; case 'g': /* Scattering eccentricity */ check(3, "f"); seccg = atof(argv [++i]); break; default: goto badopt; } break; #if NIX case 'n': /* Num parallel processes (NIX only) */ check(2, "i"); nproc = atoi(argv [++i]); if (nproc > PMAP_MAXPROC) { nproc = PMAP_MAXPROC; sprintf(errmsg, "too many parallel processes, clamping to " "%d\n", nproc); error(WARNING, errmsg); } break; #endif case 't': /* Timer */ check(2, "i"); photonRepTime = atoi(argv [++i]); break; case 'v': /* Verbosity */ check_bool(2, verbose); break; #ifdef EVALDRC_HACK case 'A': /* Angular source file */ check(2,"s"); angsrcfile = argv[++i]; break; #endif default: goto badopt; } } /* Open diagnostics file */ if (diagFile) { if (!freopen(diagFile, "a", stderr)) quit(2); fprintf(stderr, "**************\n*** PID %5d: ", getpid()); printargs(argc, argv, stderr); putc('\n', stderr); fflush(stderr); } #ifdef NICE /* Lower priority */ nice(NICE); #endif if (octname == NULL) error(USER, "missing octree argument"); /* Allocate photon maps and set parameters */ for (i = 0; i < NUM_PMAP_TYPES; i++) { setPmapParam(photonMaps + i, pmapParams + i); /* Don't overwrite existing photon map unless clobbering enabled */ if (photonMaps [i] && !stat(photonMaps [i] -> fileName, &pmstat) && !clobber) { sprintf(errmsg, "photon map file %s exists, not overwritten", photonMaps [i] -> fileName); error(USER, errmsg); } } for (i = 0; i < NUM_PMAP_TYPES && !photonMaps [i]; i++); if (i >= NUM_PMAP_TYPES) error(USER, "no photon maps specified"); readoct(octname, loadflags, &thescene, NULL); #ifdef EVALDRC_HACK if (angsrcfile) readobj(angsrcfile); /* load angular sources */ #endif nsceneobjs = nobjects; /* Get sources */ marksources(); /* Do forward pass and build photon maps */ if (contribPmap) /* Just build contrib pmap, ignore others */ distribPhotonContrib(contribPmap, nproc); else distribPhotons(photonMaps, nproc); /* Save photon maps; no idea why GCC needs an explicit cast here... */ savePmaps((const PhotonMap**)photonMaps, argc, argv); cleanUpPmaps(photonMaps); quit(0); badopt: sprintf(errmsg, "command line error at '%s'", argv[i]); error(USER, errmsg); #undef check #undef check_bool return 0; }
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 }