| 1 |
/* Copyright (c) 1993 Regents of the University of California */
|
| 2 |
|
| 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 |
#ifndef RPICT
|
| 15 |
#define RPICT 0
|
| 16 |
#endif
|
| 17 |
#ifndef RTRACE
|
| 18 |
#define RTRACE 0
|
| 19 |
#endif
|
| 20 |
#ifndef RVIEW
|
| 21 |
#define RVIEW 0
|
| 22 |
#endif
|
| 23 |
|
| 24 |
#include "ray.h"
|
| 25 |
|
| 26 |
#include "resolu.h"
|
| 27 |
|
| 28 |
#include "octree.h"
|
| 29 |
|
| 30 |
#include <signal.h>
|
| 31 |
|
| 32 |
#include "view.h"
|
| 33 |
|
| 34 |
#include "paths.h"
|
| 35 |
/* persistent processes define */
|
| 36 |
#define NOPERS 0 /* do not persist (must be zero) */
|
| 37 |
#ifdef F_SETLKW
|
| 38 |
#if RPICT|RTRACE
|
| 39 |
#define PERSIST 1 /* normal persist */
|
| 40 |
#define PARALLEL 2 /* parallel persist */
|
| 41 |
#define PCHILD 3 /* child of normal persist */
|
| 42 |
#endif
|
| 43 |
#endif
|
| 44 |
|
| 45 |
char *progname; /* argv[0] */
|
| 46 |
|
| 47 |
char *octname; /* octree name */
|
| 48 |
|
| 49 |
char *libpath; /* library directory list */
|
| 50 |
|
| 51 |
char *sigerr[NSIG]; /* signal error messages */
|
| 52 |
|
| 53 |
extern char VersionID[]; /* version ID string */
|
| 54 |
|
| 55 |
extern int stderr_v(); /* standard error output */
|
| 56 |
int (*errvec)() = stderr_v; /* error output vector */
|
| 57 |
int (*wrnvec)() = stderr_v; /* warning output vector */
|
| 58 |
int (*cmdvec)() = NULL; /* command error vector */
|
| 59 |
|
| 60 |
int (*trace)() = NULL; /* trace call */
|
| 61 |
int do_irrad = 0; /* compute irradiance? */
|
| 62 |
|
| 63 |
extern long time();
|
| 64 |
long tstart; /* start time */
|
| 65 |
|
| 66 |
extern int ambnotify(); /* new object notify functions */
|
| 67 |
#if RTRACE
|
| 68 |
extern int tranotify();
|
| 69 |
int (*addobjnotify[])() = {ambnotify, tranotify, NULL};
|
| 70 |
extern char *tralist[]; /* trace include/exclude list */
|
| 71 |
extern int traincl; /* include == 1, exclude == 0 */
|
| 72 |
#else
|
| 73 |
int (*addobjnotify[])() = {ambnotify, NULL};
|
| 74 |
#endif
|
| 75 |
|
| 76 |
CUBE thescene; /* our scene */
|
| 77 |
OBJECT nsceneobjs; /* number of objects in our scene */
|
| 78 |
|
| 79 |
extern unsigned long raynum, nrays; /* ray counts */
|
| 80 |
|
| 81 |
extern int imm_irrad; /* calculate immediate irradiance? */
|
| 82 |
|
| 83 |
extern int ralrm; /* seconds between reports */
|
| 84 |
|
| 85 |
extern int greyscale; /* map colors to brightness? */
|
| 86 |
extern char *devname; /* output device name */
|
| 87 |
|
| 88 |
extern char *formstr(); /* string from format */
|
| 89 |
extern int inform; /* input format */
|
| 90 |
extern int outform; /* output format */
|
| 91 |
extern char *outvals; /* output values */
|
| 92 |
|
| 93 |
extern VIEW ourview; /* viewing parameters */
|
| 94 |
|
| 95 |
extern char rifname[]; /* rad input file name */
|
| 96 |
|
| 97 |
extern int hresolu; /* horizontal resolution */
|
| 98 |
extern int vresolu; /* vertical resolution */
|
| 99 |
extern double pixaspect; /* pixel aspect ratio */
|
| 100 |
|
| 101 |
extern int psample; /* pixel sample size */
|
| 102 |
extern double maxdiff; /* max. sample difference */
|
| 103 |
extern double dstrpix; /* square pixel distribution */
|
| 104 |
|
| 105 |
extern double dstrsrc; /* square source distribution */
|
| 106 |
extern double shadthresh; /* shadow threshold */
|
| 107 |
extern double shadcert; /* shadow testing certainty */
|
| 108 |
extern int directrelay; /* number of source relays */
|
| 109 |
extern int vspretest; /* virtual source pretest density */
|
| 110 |
extern int directvis; /* light sources visible to eye? */
|
| 111 |
extern double srcsizerat; /* maximum source size/dist. ratio */
|
| 112 |
|
| 113 |
extern double specthresh; /* specular sampling threshold */
|
| 114 |
extern double specjitter; /* specular sampling jitter */
|
| 115 |
|
| 116 |
extern int maxdepth; /* maximum recursion depth */
|
| 117 |
extern double minweight; /* minimum ray weight */
|
| 118 |
|
| 119 |
extern COLOR ambval; /* ambient value */
|
| 120 |
extern double ambacc; /* ambient accuracy */
|
| 121 |
extern int ambres; /* ambient resolution */
|
| 122 |
extern int ambdiv; /* ambient divisions */
|
| 123 |
extern int ambssamp; /* ambient super-samples */
|
| 124 |
extern int ambounce; /* ambient bounces */
|
| 125 |
extern char *amblist[]; /* ambient include/exclude list */
|
| 126 |
extern int ambincl; /* include == 1, exclude == 0 */
|
| 127 |
|
| 128 |
|
| 129 |
main(argc, argv)
|
| 130 |
int argc;
|
| 131 |
char *argv[];
|
| 132 |
{
|
| 133 |
#define check(ol,al) if (argv[i][ol] || \
|
| 134 |
badarg(argc-i-1,argv+i+1,al)) \
|
| 135 |
goto badopt
|
| 136 |
#define bool(olen,var) switch (argv[i][olen]) { \
|
| 137 |
case '\0': var = !var; break; \
|
| 138 |
case 'y': case 'Y': case 't': case 'T': \
|
| 139 |
case '+': case '1': var = 1; break; \
|
| 140 |
case 'n': case 'N': case 'f': case 'F': \
|
| 141 |
case '-': case '0': var = 0; break; \
|
| 142 |
default: goto badopt; }
|
| 143 |
char *err;
|
| 144 |
char *recover = NULL;
|
| 145 |
char *outfile = NULL;
|
| 146 |
char *zfile = NULL;
|
| 147 |
char *errfile = NULL;
|
| 148 |
char *ambfile = NULL;
|
| 149 |
int loadflags = ~IO_FILES;
|
| 150 |
int seqstart = 0;
|
| 151 |
int persist = NOPERS;
|
| 152 |
char **amblp;
|
| 153 |
char **tralp;
|
| 154 |
int duped1;
|
| 155 |
int rval;
|
| 156 |
int i;
|
| 157 |
/* record start time */
|
| 158 |
tstart = time((long *)0);
|
| 159 |
/* global program name */
|
| 160 |
progname = argv[0] = fixargv0(argv[0]);
|
| 161 |
/* get library path */
|
| 162 |
if ((libpath = getenv(ULIBVAR)) == NULL)
|
| 163 |
libpath = DEFPATH;
|
| 164 |
/* initialize object types */
|
| 165 |
initotypes();
|
| 166 |
/* initialize urand */
|
| 167 |
initurand(2048);
|
| 168 |
/* option city */
|
| 169 |
for (i = 1; i < argc; i++) {
|
| 170 |
/* expand arguments */
|
| 171 |
while (rval = expandarg(&argc, &argv, i))
|
| 172 |
if (rval < 0) {
|
| 173 |
sprintf(errmsg, "cannot expand '%s'", argv[i]);
|
| 174 |
error(SYSTEM, errmsg);
|
| 175 |
}
|
| 176 |
if (argv[i] == NULL || argv[i][0] != '-')
|
| 177 |
break; /* break from options */
|
| 178 |
if (!strcmp(argv[i], "-version")) {
|
| 179 |
puts(VersionID);
|
| 180 |
quit(0);
|
| 181 |
}
|
| 182 |
if (!strcmp(argv[i], "-defaults") ||
|
| 183 |
!strcmp(argv[i], "-help")) {
|
| 184 |
printdefaults();
|
| 185 |
quit(0);
|
| 186 |
}
|
| 187 |
#if RVIEW
|
| 188 |
if (!strcmp(argv[i], "-devices")) {
|
| 189 |
printdevices();
|
| 190 |
quit(0);
|
| 191 |
}
|
| 192 |
#endif
|
| 193 |
#if RPICT|RVIEW
|
| 194 |
rval = getviewopt(&ourview, argc-i, argv+i);
|
| 195 |
if (rval >= 0) {
|
| 196 |
i += rval;
|
| 197 |
continue;
|
| 198 |
}
|
| 199 |
#endif
|
| 200 |
switch (argv[i][1]) {
|
| 201 |
#if RPICT|RVIEW
|
| 202 |
case 'v': /* view file */
|
| 203 |
if (argv[i][2] != 'f')
|
| 204 |
goto badopt;
|
| 205 |
check(3,"s");
|
| 206 |
rval = viewfile(argv[++i], &ourview, NULL);
|
| 207 |
if (rval < 0) {
|
| 208 |
sprintf(errmsg,
|
| 209 |
"cannot open view file \"%s\"",
|
| 210 |
argv[i]);
|
| 211 |
error(SYSTEM, errmsg);
|
| 212 |
} else if (rval == 0) {
|
| 213 |
sprintf(errmsg,
|
| 214 |
"bad view file \"%s\"",
|
| 215 |
argv[i]);
|
| 216 |
error(USER, errmsg);
|
| 217 |
}
|
| 218 |
break;
|
| 219 |
#endif
|
| 220 |
case 'd': /* direct */
|
| 221 |
switch (argv[i][2]) {
|
| 222 |
case 't': /* threshold */
|
| 223 |
check(3,"f");
|
| 224 |
shadthresh = atof(argv[++i]);
|
| 225 |
break;
|
| 226 |
case 'c': /* certainty */
|
| 227 |
check(3,"f");
|
| 228 |
shadcert = atof(argv[++i]);
|
| 229 |
break;
|
| 230 |
case 'j': /* jitter */
|
| 231 |
check(3,"f");
|
| 232 |
dstrsrc = atof(argv[++i]);
|
| 233 |
break;
|
| 234 |
case 'r': /* relays */
|
| 235 |
check(3,"i");
|
| 236 |
directrelay = atoi(argv[++i]);
|
| 237 |
break;
|
| 238 |
case 'p': /* pretest */
|
| 239 |
check(3,"i");
|
| 240 |
vspretest = atoi(argv[++i]);
|
| 241 |
break;
|
| 242 |
case 'v': /* visibility */
|
| 243 |
bool(3,directvis);
|
| 244 |
break;
|
| 245 |
case 's': /* size */
|
| 246 |
check(3,"f");
|
| 247 |
srcsizerat = atof(argv[++i]);
|
| 248 |
break;
|
| 249 |
default:
|
| 250 |
goto badopt;
|
| 251 |
}
|
| 252 |
break;
|
| 253 |
case 's': /* specular */
|
| 254 |
switch (argv[i][2]) {
|
| 255 |
case 't': /* threshold */
|
| 256 |
check(3,"f");
|
| 257 |
specthresh = atof(argv[++i]);
|
| 258 |
break;
|
| 259 |
case 'j': /* jitter */
|
| 260 |
check(3,"f");
|
| 261 |
specjitter = atof(argv[++i]);
|
| 262 |
break;
|
| 263 |
default:
|
| 264 |
goto badopt;
|
| 265 |
}
|
| 266 |
break;
|
| 267 |
#if RPICT|RVIEW
|
| 268 |
case 'p': /* pixel */
|
| 269 |
switch (argv[i][2]) {
|
| 270 |
case 's': /* sample */
|
| 271 |
check(3,"i");
|
| 272 |
psample = atoi(argv[++i]);
|
| 273 |
break;
|
| 274 |
case 't': /* threshold */
|
| 275 |
check(3,"f");
|
| 276 |
maxdiff = atof(argv[++i]);
|
| 277 |
break;
|
| 278 |
#if RPICT
|
| 279 |
case 'j': /* jitter */
|
| 280 |
check(3,"f");
|
| 281 |
dstrpix = atof(argv[++i]);
|
| 282 |
break;
|
| 283 |
case 'a': /* aspect */
|
| 284 |
check(3,"f");
|
| 285 |
pixaspect = atof(argv[++i]);
|
| 286 |
break;
|
| 287 |
#endif
|
| 288 |
default:
|
| 289 |
goto badopt;
|
| 290 |
}
|
| 291 |
break;
|
| 292 |
#endif
|
| 293 |
#if RPICT|RTRACE
|
| 294 |
case 'x': /* x resolution */
|
| 295 |
check(2,"i");
|
| 296 |
hresolu = atoi(argv[++i]);
|
| 297 |
break;
|
| 298 |
case 'y': /* y resolution */
|
| 299 |
check(2,"i");
|
| 300 |
vresolu = atoi(argv[++i]);
|
| 301 |
break;
|
| 302 |
#endif
|
| 303 |
case 'w': /* warnings */
|
| 304 |
rval = wrnvec != NULL;
|
| 305 |
bool(2,rval);
|
| 306 |
if (rval) wrnvec = stderr_v;
|
| 307 |
else wrnvec = NULL;
|
| 308 |
break;
|
| 309 |
case 'e': /* error file */
|
| 310 |
check(2,"s");
|
| 311 |
errfile = argv[++i];
|
| 312 |
break;
|
| 313 |
case 'l': /* limit */
|
| 314 |
switch (argv[i][2]) {
|
| 315 |
case 'r': /* recursion */
|
| 316 |
check(3,"i");
|
| 317 |
maxdepth = atoi(argv[++i]);
|
| 318 |
break;
|
| 319 |
case 'w': /* weight */
|
| 320 |
check(3,"f");
|
| 321 |
minweight = atof(argv[++i]);
|
| 322 |
break;
|
| 323 |
default:
|
| 324 |
goto badopt;
|
| 325 |
}
|
| 326 |
break;
|
| 327 |
case 'i': /* irradiance */
|
| 328 |
bool(2,do_irrad);
|
| 329 |
break;
|
| 330 |
#if RPICT
|
| 331 |
case 'S': /* slave index */
|
| 332 |
check(2,"i");
|
| 333 |
seqstart = atoi(argv[++i]);
|
| 334 |
break;
|
| 335 |
case 'o': /* output file */
|
| 336 |
check(2,"s");
|
| 337 |
outfile = argv[++i];
|
| 338 |
break;
|
| 339 |
case 'z': /* z file */
|
| 340 |
check(2,"s");
|
| 341 |
zfile = argv[++i];
|
| 342 |
break;
|
| 343 |
case 'r': /* recover file */
|
| 344 |
if (argv[i][2] == 'o') { /* +output */
|
| 345 |
check(3,"s");
|
| 346 |
outfile = argv[i+1];
|
| 347 |
} else
|
| 348 |
check(2,"s");
|
| 349 |
recover = argv[++i];
|
| 350 |
break;
|
| 351 |
case 't': /* timer */
|
| 352 |
check(2,"i");
|
| 353 |
ralrm = atoi(argv[++i]);
|
| 354 |
break;
|
| 355 |
#endif
|
| 356 |
case 'a': /* ambient */
|
| 357 |
switch (argv[i][2]) {
|
| 358 |
case 'v': /* value */
|
| 359 |
check(3,"fff");
|
| 360 |
setcolor(ambval, atof(argv[i+1]),
|
| 361 |
atof(argv[i+2]),
|
| 362 |
atof(argv[i+3]));
|
| 363 |
i += 3;
|
| 364 |
break;
|
| 365 |
case 'a': /* accuracy */
|
| 366 |
check(3,"f");
|
| 367 |
ambacc = atof(argv[++i]);
|
| 368 |
break;
|
| 369 |
case 'r': /* resolution */
|
| 370 |
check(3,"i");
|
| 371 |
ambres = atoi(argv[++i]);
|
| 372 |
break;
|
| 373 |
case 'd': /* divisions */
|
| 374 |
check(3,"i");
|
| 375 |
ambdiv = atoi(argv[++i]);
|
| 376 |
break;
|
| 377 |
case 's': /* super-samp */
|
| 378 |
check(3,"i");
|
| 379 |
ambssamp = atoi(argv[++i]);
|
| 380 |
break;
|
| 381 |
case 'b': /* bounces */
|
| 382 |
check(3,"i");
|
| 383 |
ambounce = atoi(argv[++i]);
|
| 384 |
break;
|
| 385 |
case 'i': /* include */
|
| 386 |
case 'I':
|
| 387 |
check(3,"s");
|
| 388 |
if (ambincl != 1) {
|
| 389 |
ambincl = 1;
|
| 390 |
amblp = amblist;
|
| 391 |
}
|
| 392 |
if (argv[i][2] == 'I') { /* file */
|
| 393 |
rval = wordfile(amblp,
|
| 394 |
getpath(argv[++i],libpath,R_OK));
|
| 395 |
if (rval < 0) {
|
| 396 |
sprintf(errmsg,
|
| 397 |
"cannot open ambient include file \"%s\"",
|
| 398 |
argv[i]);
|
| 399 |
error(SYSTEM, errmsg);
|
| 400 |
}
|
| 401 |
amblp += rval;
|
| 402 |
} else {
|
| 403 |
*amblp++ = argv[++i];
|
| 404 |
*amblp = NULL;
|
| 405 |
}
|
| 406 |
break;
|
| 407 |
case 'e': /* exclude */
|
| 408 |
case 'E':
|
| 409 |
check(3,"s");
|
| 410 |
if (ambincl != 0) {
|
| 411 |
ambincl = 0;
|
| 412 |
amblp = amblist;
|
| 413 |
}
|
| 414 |
if (argv[i][2] == 'E') { /* file */
|
| 415 |
rval = wordfile(amblp,
|
| 416 |
getpath(argv[++i],libpath,R_OK));
|
| 417 |
if (rval < 0) {
|
| 418 |
sprintf(errmsg,
|
| 419 |
"cannot open ambient exclude file \"%s\"",
|
| 420 |
argv[i]);
|
| 421 |
error(SYSTEM, errmsg);
|
| 422 |
}
|
| 423 |
amblp += rval;
|
| 424 |
} else {
|
| 425 |
*amblp++ = argv[++i];
|
| 426 |
*amblp = NULL;
|
| 427 |
}
|
| 428 |
break;
|
| 429 |
case 'f': /* file */
|
| 430 |
check(3,"s");
|
| 431 |
ambfile= argv[++i];
|
| 432 |
break;
|
| 433 |
default:
|
| 434 |
goto badopt;
|
| 435 |
}
|
| 436 |
break;
|
| 437 |
#if RTRACE
|
| 438 |
case 'I': /* immed. irradiance */
|
| 439 |
bool(2,imm_irrad);
|
| 440 |
break;
|
| 441 |
case 'f': /* format i/o */
|
| 442 |
switch (argv[i][2]) {
|
| 443 |
case 'a': /* ascii */
|
| 444 |
case 'f': /* float */
|
| 445 |
case 'd': /* double */
|
| 446 |
inform = argv[i][2];
|
| 447 |
break;
|
| 448 |
default:
|
| 449 |
goto badopt;
|
| 450 |
}
|
| 451 |
switch (argv[i][3]) {
|
| 452 |
case '\0':
|
| 453 |
outform = inform;
|
| 454 |
break;
|
| 455 |
case 'a': /* ascii */
|
| 456 |
case 'f': /* float */
|
| 457 |
case 'd': /* double */
|
| 458 |
case 'c': /* color */
|
| 459 |
check(4,"");
|
| 460 |
outform = argv[i][3];
|
| 461 |
break;
|
| 462 |
default:
|
| 463 |
goto badopt;
|
| 464 |
}
|
| 465 |
break;
|
| 466 |
case 'o': /* output */
|
| 467 |
outvals = argv[i]+2;
|
| 468 |
break;
|
| 469 |
case 'h': /* header output */
|
| 470 |
rval = loadflags & IO_INFO;
|
| 471 |
bool(2,rval);
|
| 472 |
loadflags = rval ? loadflags | IO_INFO :
|
| 473 |
loadflags & ~IO_INFO;
|
| 474 |
break;
|
| 475 |
case 't': /* trace */
|
| 476 |
switch (argv[i][2]) {
|
| 477 |
case 'i': /* include */
|
| 478 |
case 'I':
|
| 479 |
check(3,"s");
|
| 480 |
if (traincl != 1) {
|
| 481 |
traincl = 1;
|
| 482 |
tralp = tralist;
|
| 483 |
}
|
| 484 |
if (argv[i][2] == 'I') { /* file */
|
| 485 |
rval = wordfile(tralp,
|
| 486 |
getpath(argv[++i],libpath,R_OK));
|
| 487 |
if (rval < 0) {
|
| 488 |
sprintf(errmsg,
|
| 489 |
"cannot open trace include file \"%s\"",
|
| 490 |
argv[i]);
|
| 491 |
error(SYSTEM, errmsg);
|
| 492 |
}
|
| 493 |
tralp += rval;
|
| 494 |
} else {
|
| 495 |
*tralp++ = argv[++i];
|
| 496 |
*tralp = NULL;
|
| 497 |
}
|
| 498 |
break;
|
| 499 |
case 'e': /* exclude */
|
| 500 |
case 'E':
|
| 501 |
check(3,"s");
|
| 502 |
if (traincl != 0) {
|
| 503 |
traincl = 0;
|
| 504 |
tralp = tralist;
|
| 505 |
}
|
| 506 |
if (argv[i][2] == 'E') { /* file */
|
| 507 |
rval = wordfile(tralp,
|
| 508 |
getpath(argv[++i],libpath,R_OK));
|
| 509 |
if (rval < 0) {
|
| 510 |
sprintf(errmsg,
|
| 511 |
"cannot open trace exclude file \"%s\"",
|
| 512 |
argv[i]);
|
| 513 |
error(SYSTEM, errmsg);
|
| 514 |
}
|
| 515 |
tralp += rval;
|
| 516 |
} else {
|
| 517 |
*tralp++ = argv[++i];
|
| 518 |
*tralp = NULL;
|
| 519 |
}
|
| 520 |
break;
|
| 521 |
default:
|
| 522 |
goto badopt;
|
| 523 |
}
|
| 524 |
break;
|
| 525 |
#endif
|
| 526 |
#if RVIEW
|
| 527 |
case 'b': /* black and white */
|
| 528 |
bool(2,greyscale);
|
| 529 |
break;
|
| 530 |
case 'o': /* output device */
|
| 531 |
check(2,"s");
|
| 532 |
devname = argv[++i];
|
| 533 |
break;
|
| 534 |
case 'R': /* render input file */
|
| 535 |
check(2,"s");
|
| 536 |
strcpy(rifname, argv[++i]);
|
| 537 |
break;
|
| 538 |
#endif
|
| 539 |
#ifdef PERSIST
|
| 540 |
case 'P': /* persist file */
|
| 541 |
if (argv[i][2] == 'P') {
|
| 542 |
check(3,"s");
|
| 543 |
persist = PARALLEL;
|
| 544 |
} else {
|
| 545 |
check(2,"s");
|
| 546 |
persist = PERSIST;
|
| 547 |
}
|
| 548 |
persistfile(argv[++i]);
|
| 549 |
break;
|
| 550 |
#endif
|
| 551 |
default:
|
| 552 |
goto badopt;
|
| 553 |
}
|
| 554 |
}
|
| 555 |
#if RPICT|RVIEW
|
| 556 |
err = setview(&ourview); /* set viewing parameters */
|
| 557 |
if (err != NULL)
|
| 558 |
error(USER, err);
|
| 559 |
#endif
|
| 560 |
/* set up signal handling */
|
| 561 |
sigdie(SIGINT, "Interrupt");
|
| 562 |
sigdie(SIGHUP, "Hangup");
|
| 563 |
sigdie(SIGTERM, "Terminate");
|
| 564 |
sigdie(SIGPIPE, "Broken pipe");
|
| 565 |
sigdie(SIGALRM, "Alarm clock");
|
| 566 |
#ifdef SIGXCPU
|
| 567 |
sigdie(SIGXCPU, "CPU limit exceeded");
|
| 568 |
sigdie(SIGXFSZ, "File size exceeded");
|
| 569 |
#endif
|
| 570 |
/* open error file */
|
| 571 |
if (errfile != NULL) {
|
| 572 |
if (freopen(errfile, "a", stderr) == NULL)
|
| 573 |
quit(2);
|
| 574 |
fprintf(stderr, "**************\n*** PID %5d: ",
|
| 575 |
getpid());
|
| 576 |
printargs(argc, argv, stderr);
|
| 577 |
putc('\n', stderr);
|
| 578 |
fflush(stderr);
|
| 579 |
}
|
| 580 |
#ifdef NICE
|
| 581 |
nice(NICE); /* lower priority */
|
| 582 |
#endif
|
| 583 |
/* get octree */
|
| 584 |
#if RVIEW
|
| 585 |
loadflags &= ~IO_INFO;
|
| 586 |
#endif
|
| 587 |
if (i == argc)
|
| 588 |
octname = NULL;
|
| 589 |
else if (i == argc-1)
|
| 590 |
octname = argv[i];
|
| 591 |
else
|
| 592 |
goto badopt;
|
| 593 |
if (
|
| 594 |
#if RPICT
|
| 595 |
seqstart > 0 &&
|
| 596 |
#endif
|
| 597 |
octname == NULL)
|
| 598 |
error(USER, "missing octree argument");
|
| 599 |
/* set up output */
|
| 600 |
#ifdef PERSIST
|
| 601 |
if (persist) {
|
| 602 |
#if RPICT
|
| 603 |
if (recover != NULL)
|
| 604 |
error(USER, "persist option used with recover file");
|
| 605 |
if (seqstart <= 0)
|
| 606 |
error(USER, "persist option only for sequences");
|
| 607 |
if (outfile == NULL)
|
| 608 |
#endif
|
| 609 |
duped1 = dup(fileno(stdout)); /* don't lose our output */
|
| 610 |
openheader();
|
| 611 |
}
|
| 612 |
#if RPICT
|
| 613 |
else
|
| 614 |
#endif
|
| 615 |
#endif
|
| 616 |
#if RPICT
|
| 617 |
if (outfile != NULL)
|
| 618 |
openheader();
|
| 619 |
#endif
|
| 620 |
#ifdef MSDOS
|
| 621 |
#if RTRACE
|
| 622 |
if (outform != 'a')
|
| 623 |
#endif
|
| 624 |
setmode(fileno(stdout), O_BINARY);
|
| 625 |
if (octname == NULL)
|
| 626 |
setmode(fileno(stdin), O_BINARY);
|
| 627 |
#endif
|
| 628 |
readoct(octname, loadflags, &thescene, NULL);
|
| 629 |
nsceneobjs = nobjects;
|
| 630 |
|
| 631 |
if (loadflags & IO_INFO) { /* print header */
|
| 632 |
printargs(i, argv, stdout);
|
| 633 |
printf("SOFTWARE= %s\n", VersionID);
|
| 634 |
#if RTRACE
|
| 635 |
fputformat(formstr(outform), stdout);
|
| 636 |
putchar('\n');
|
| 637 |
#endif
|
| 638 |
}
|
| 639 |
|
| 640 |
marksources(); /* find and mark sources */
|
| 641 |
|
| 642 |
setambient(ambfile); /* initialize ambient calculation */
|
| 643 |
|
| 644 |
#ifdef PERSIST
|
| 645 |
if (persist) {
|
| 646 |
fflush(stdout);
|
| 647 |
if (outfile == NULL) { /* reconnect stdout */
|
| 648 |
dup2(duped1, fileno(stdout));
|
| 649 |
close(duped1);
|
| 650 |
}
|
| 651 |
if (persist == PARALLEL) { /* multiprocessing */
|
| 652 |
preload_objs(); /* preload scene */
|
| 653 |
while ((rval=fork()) == 0) { /* keep on forkin' */
|
| 654 |
pflock(1);
|
| 655 |
pfhold();
|
| 656 |
tstart = time(0);
|
| 657 |
}
|
| 658 |
if (rval < 0)
|
| 659 |
error(SYSTEM, "cannot fork child for persist function");
|
| 660 |
pfdetach(); /* parent exits */
|
| 661 |
}
|
| 662 |
}
|
| 663 |
runagain:
|
| 664 |
if (persist)
|
| 665 |
if (outfile == NULL) /* if out to stdout */
|
| 666 |
dupheader(); /* send header */
|
| 667 |
else /* if out to file */
|
| 668 |
duped1 = dup(fileno(stdout)); /* hang onto pipe */
|
| 669 |
#endif
|
| 670 |
#if RPICT
|
| 671 |
rpict(seqstart, outfile, zfile, recover);
|
| 672 |
#endif
|
| 673 |
#if RTRACE
|
| 674 |
rtrace(NULL);
|
| 675 |
#endif
|
| 676 |
#if RVIEW
|
| 677 |
rview();
|
| 678 |
#endif
|
| 679 |
ambsync(); /* flush ambient file */
|
| 680 |
#ifdef PERSIST
|
| 681 |
if (persist == PERSIST) { /* first run-through */
|
| 682 |
if ((rval=fork()) == 0) { /* child loops until killed */
|
| 683 |
pflock(1);
|
| 684 |
persist = PCHILD;
|
| 685 |
} else { /* original process exits */
|
| 686 |
if (rval < 0)
|
| 687 |
error(SYSTEM, "cannot fork child for persist function");
|
| 688 |
pfdetach(); /* parent exits */
|
| 689 |
}
|
| 690 |
}
|
| 691 |
if (persist == PCHILD) { /* wait for a signal then go again */
|
| 692 |
if (outfile != NULL)
|
| 693 |
close(duped1); /* release output handle */
|
| 694 |
pfhold();
|
| 695 |
tstart = time(0); /* reinitialize counters */
|
| 696 |
raynum = nrays = 0;
|
| 697 |
goto runagain;
|
| 698 |
}
|
| 699 |
#endif
|
| 700 |
quit(0);
|
| 701 |
|
| 702 |
badopt:
|
| 703 |
sprintf(errmsg, "command line error at '%s'", argv[i]);
|
| 704 |
error(USER, errmsg);
|
| 705 |
|
| 706 |
#undef check
|
| 707 |
#undef bool
|
| 708 |
}
|
| 709 |
|
| 710 |
|
| 711 |
eputs(s) /* error output */
|
| 712 |
char *s;
|
| 713 |
{
|
| 714 |
if (errvec != NULL)
|
| 715 |
(*errvec)(s);
|
| 716 |
}
|
| 717 |
|
| 718 |
|
| 719 |
wputs(s) /* warning output */
|
| 720 |
char *s;
|
| 721 |
{
|
| 722 |
int lasterrno = errno; /* save errno */
|
| 723 |
|
| 724 |
if (wrnvec != NULL)
|
| 725 |
(*wrnvec)(s);
|
| 726 |
|
| 727 |
errno = lasterrno;
|
| 728 |
}
|
| 729 |
|
| 730 |
|
| 731 |
cputs(s) /* command error output */
|
| 732 |
char *s;
|
| 733 |
{
|
| 734 |
if (cmdvec != NULL)
|
| 735 |
(*cmdvec)(s);
|
| 736 |
}
|
| 737 |
|
| 738 |
|
| 739 |
stderr_v(s) /* put string to stderr */
|
| 740 |
register char *s;
|
| 741 |
{
|
| 742 |
static int midline = 0;
|
| 743 |
|
| 744 |
if (!*s)
|
| 745 |
return;
|
| 746 |
if (!midline++) {
|
| 747 |
fputs(progname, stderr);
|
| 748 |
fputs(": ", stderr);
|
| 749 |
}
|
| 750 |
fputs(s, stderr);
|
| 751 |
if (s[strlen(s)-1] == '\n') {
|
| 752 |
fflush(stderr);
|
| 753 |
midline = 0;
|
| 754 |
}
|
| 755 |
}
|
| 756 |
|
| 757 |
|
| 758 |
onsig(signo) /* fatal signal */
|
| 759 |
int signo;
|
| 760 |
{
|
| 761 |
static int gotsig = 0;
|
| 762 |
|
| 763 |
if (gotsig++) /* two signals and we're gone! */
|
| 764 |
_exit(signo);
|
| 765 |
|
| 766 |
alarm(15); /* allow 15 seconds to clean up */
|
| 767 |
signal(SIGALRM, SIG_DFL); /* make certain we do die */
|
| 768 |
eputs("signal - ");
|
| 769 |
eputs(sigerr[signo]);
|
| 770 |
eputs("\n");
|
| 771 |
quit(3);
|
| 772 |
}
|
| 773 |
|
| 774 |
|
| 775 |
sigdie(signo, msg) /* set fatal signal */
|
| 776 |
int signo;
|
| 777 |
char *msg;
|
| 778 |
{
|
| 779 |
if (signal(signo, onsig) == SIG_IGN)
|
| 780 |
signal(signo, SIG_IGN);
|
| 781 |
sigerr[signo] = msg;
|
| 782 |
}
|
| 783 |
|
| 784 |
|
| 785 |
printdefaults() /* print default values to stdout */
|
| 786 |
{
|
| 787 |
register char *cp;
|
| 788 |
|
| 789 |
#if RTRACE
|
| 790 |
if (imm_irrad)
|
| 791 |
printf("-I+\t\t\t\t# immediate irradiance on\n");
|
| 792 |
else
|
| 793 |
#endif
|
| 794 |
printf(do_irrad ? "-i+\t\t\t\t# irradiance calculation on\n" :
|
| 795 |
"-i-\t\t\t\t# irradiance calculation off\n");
|
| 796 |
#if RVIEW
|
| 797 |
printf(greyscale ? "-b+\t\t\t\t# greyscale on\n" :
|
| 798 |
"-b-\t\t\t\t# greyscale off\n");
|
| 799 |
#endif
|
| 800 |
#if RPICT|RVIEW
|
| 801 |
printf("-vt%c\t\t\t\t# view type %s\n", ourview.type,
|
| 802 |
ourview.type==VT_PER ? "perspective" :
|
| 803 |
ourview.type==VT_PAR ? "parallel" :
|
| 804 |
ourview.type==VT_HEM ? "hemispherical" :
|
| 805 |
ourview.type==VT_ANG ? "angular" :
|
| 806 |
"unknown");
|
| 807 |
printf("-vp %f %f %f\t# view point\n",
|
| 808 |
ourview.vp[0], ourview.vp[1], ourview.vp[2]);
|
| 809 |
printf("-vd %f %f %f\t# view direction\n",
|
| 810 |
ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]);
|
| 811 |
printf("-vu %f %f %f\t# view up\n",
|
| 812 |
ourview.vup[0], ourview.vup[1], ourview.vup[2]);
|
| 813 |
printf("-vh %f\t\t\t# view horizontal size\n", ourview.horiz);
|
| 814 |
printf("-vv %f\t\t\t# view vertical size\n", ourview.vert);
|
| 815 |
printf("-vs %f\t\t\t# view shift\n", ourview.hoff);
|
| 816 |
printf("-vl %f\t\t\t# view lift\n", ourview.voff);
|
| 817 |
#endif
|
| 818 |
#if RPICT|RTRACE
|
| 819 |
printf("-x %-9d\t\t\t# x resolution\n", hresolu);
|
| 820 |
printf("-y %-9d\t\t\t# y resolution\n", vresolu);
|
| 821 |
#endif
|
| 822 |
#if RPICT
|
| 823 |
printf("-pa %f\t\t\t# pixel aspect ratio\n", pixaspect);
|
| 824 |
printf("-pj %f\t\t\t# pixel jitter\n", dstrpix);
|
| 825 |
#endif
|
| 826 |
#if RPICT|RVIEW
|
| 827 |
printf("-ps %-9d\t\t\t# pixel sample\n", psample);
|
| 828 |
printf("-pt %f\t\t\t# pixel threshold\n", maxdiff);
|
| 829 |
#endif
|
| 830 |
printf("-dt %f\t\t\t# direct threshold\n", shadthresh);
|
| 831 |
printf("-dc %f\t\t\t# direct certainty\n", shadcert);
|
| 832 |
printf("-dj %f\t\t\t# direct jitter\n", dstrsrc);
|
| 833 |
printf("-ds %f\t\t\t# direct sampling\n", srcsizerat);
|
| 834 |
printf("-dr %-9d\t\t\t# direct relays\n", directrelay);
|
| 835 |
printf("-dp %-9d\t\t\t# direct pretest density\n", vspretest);
|
| 836 |
printf(directvis ? "-dv+\t\t\t\t# direct visibility on\n" :
|
| 837 |
"-dv-\t\t\t\t# direct visibility off\n");
|
| 838 |
printf("-sj %f\t\t\t# specular jitter\n", specjitter);
|
| 839 |
printf("-st %f\t\t\t# specular threshold\n", specthresh);
|
| 840 |
printf("-av %f %f %f\t# ambient value\n", colval(ambval,RED),
|
| 841 |
colval(ambval,GRN), colval(ambval, BLU));
|
| 842 |
printf("-ab %-9d\t\t\t# ambient bounces\n", ambounce);
|
| 843 |
printf("-aa %f\t\t\t# ambient accuracy\n", ambacc);
|
| 844 |
printf("-ar %-9d\t\t\t# ambient resolution\n", ambres);
|
| 845 |
printf("-ad %-9d\t\t\t# ambient divisions\n", ambdiv);
|
| 846 |
printf("-as %-9d\t\t\t# ambient super-samples\n", ambssamp);
|
| 847 |
printf("-lr %-9d\t\t\t# limit reflection\n", maxdepth);
|
| 848 |
printf("-lw %f\t\t\t# limit weight\n", minweight);
|
| 849 |
#if RPICT
|
| 850 |
printf("-t %-9d\t\t\t# time between reports\n", ralrm);
|
| 851 |
#endif
|
| 852 |
#if RVIEW
|
| 853 |
printf("-o %s\t\t\t\t# output device\n", devname);
|
| 854 |
#endif
|
| 855 |
#if RTRACE
|
| 856 |
printf("-f%c%c\t\t\t\t# format input/output = %s/%s\n",
|
| 857 |
inform, outform, formstr(inform), formstr(outform));
|
| 858 |
printf("-o%s\t\t\t\t# output", outvals);
|
| 859 |
for (cp = outvals; *cp; cp++)
|
| 860 |
switch (*cp) {
|
| 861 |
case 't': printf(" trace"); break;
|
| 862 |
case 'o': printf(" origin"); break;
|
| 863 |
case 'd': printf(" direction"); break;
|
| 864 |
case 'v': printf(" value"); break;
|
| 865 |
case 'l': printf(" length"); break;
|
| 866 |
case 'L': printf(" first_length"); break;
|
| 867 |
case 'p': printf(" point"); break;
|
| 868 |
case 'n': printf(" normal"); break;
|
| 869 |
case 'N': printf(" unperturbed_normal"); break;
|
| 870 |
case 's': printf(" surface"); break;
|
| 871 |
case 'w': printf(" weight"); break;
|
| 872 |
case 'm': printf(" modifier"); break;
|
| 873 |
}
|
| 874 |
putchar('\n');
|
| 875 |
#endif
|
| 876 |
printf(wrnvec != NULL ? "-w+\t\t\t\t# warning messages on\n" :
|
| 877 |
"-w-\t\t\t\t# warning messages off\n");
|
| 878 |
}
|
