| 10 |
|
|
| 11 |
|
#include "mkillum.h" |
| 12 |
|
|
| 13 |
+ |
#include <signal.h> |
| 14 |
+ |
|
| 15 |
|
#include <ctype.h> |
| 16 |
|
|
| 17 |
|
/* default parameters */ |
| 18 |
< |
#define SAMPDENS 128 /* points per projected steradian */ |
| 18 |
> |
#define SAMPDENS 48 /* points per projected steradian */ |
| 19 |
|
#define NSAMPS 32 /* samples per point */ |
| 20 |
|
#define DFLMAT "illum_mat" /* material name */ |
| 21 |
+ |
#define DFLDAT "illum" /* data file name */ |
| 22 |
|
/* selection options */ |
| 23 |
|
#define S_NONE 0 /* select none */ |
| 24 |
|
#define S_ELEM 1 /* select specified element */ |
| 26 |
|
#define S_ALL 3 /* select all */ |
| 27 |
|
|
| 28 |
|
/* rtrace command and defaults */ |
| 29 |
< |
char *rtargv[64] = { "rtrace", "-dj", ".25", "-dr", "3", "-ab", "2", |
| 30 |
< |
"-ad", "256", "-as", "128", "-aa", ".15" }; |
| 31 |
< |
int rtargc = 13; |
| 29 |
> |
char *rtargv[64] = { "rtrace", "-dj", ".25", "-dr", "3", "-dv-", |
| 30 |
> |
"-ab", "2", "-ad", "256", "-as", "128", "-aa", ".15", }; |
| 31 |
> |
int rtargc = 14; |
| 32 |
|
/* overriding rtrace options */ |
| 33 |
< |
char *myrtopts[] = { "-I-", "-i-", "-di+", "-ov", "-h-", "-fff", NULL }; |
| 33 |
> |
char *myrtopts[] = { "-I-", "-i-", "-ov", "-h-", "-fff", "-y", "0", NULL }; |
| 34 |
|
|
| 35 |
|
struct rtproc rt; /* our rtrace process */ |
| 36 |
|
|
| 37 |
|
struct illum_args thisillum = { /* our illum and default values */ |
| 38 |
|
0, |
| 39 |
|
DFLMAT, |
| 40 |
< |
DFLMAT, |
| 40 |
> |
DFLDAT, |
| 41 |
|
0, |
| 42 |
|
VOIDID, |
| 43 |
+ |
SAMPDENS, |
| 44 |
|
NSAMPS, |
| 45 |
+ |
0., |
| 46 |
|
}; |
| 47 |
|
|
| 43 |
– |
int sampdens = SAMPDENS; /* sample point density */ |
| 48 |
|
char matcheck[MAXSTR]; /* current material to include or exclude */ |
| 49 |
|
int matselect = S_ALL; /* selection criterion */ |
| 50 |
|
|
| 60 |
|
int warnings = 1; /* print warnings? */ |
| 61 |
|
|
| 62 |
|
extern char *fgetline(), *fgetword(), *sskip(), |
| 63 |
< |
*atos(), *iskip(), *fskip(); |
| 63 |
> |
*atos(), *iskip(), *fskip(), *strcpy(); |
| 64 |
|
extern FILE *popen(); |
| 65 |
|
|
| 66 |
|
|
| 70 |
|
{ |
| 71 |
|
extern char *getenv(), *getpath(); |
| 72 |
|
char *rtpath; |
| 73 |
+ |
FILE *fp; |
| 74 |
|
register int i; |
| 75 |
|
/* set global arguments */ |
| 76 |
< |
gargc = argc; gargv = argv; |
| 76 |
> |
gargv = argv; |
| 77 |
|
/* set up rtrace command */ |
| 78 |
< |
if (argc < 2) |
| 79 |
< |
error(USER, "too few arguments"); |
| 80 |
< |
for (i = 1; i < argc-1; i++) { |
| 78 |
> |
for (i = 1; i < argc; i++) { |
| 79 |
> |
if (argv[i][0] == '<' && !argv[i][1]) |
| 80 |
> |
break; |
| 81 |
|
rtargv[rtargc++] = argv[i]; |
| 82 |
|
if (argv[i][0] == '-' && argv[i][1] == 'w') |
| 83 |
|
warnings = !warnings; |
| 84 |
|
} |
| 85 |
+ |
gargc = i; |
| 86 |
+ |
rtargc--; |
| 87 |
|
for (i = 0; myrtopts[i] != NULL; i++) |
| 88 |
|
rtargv[rtargc++] = myrtopts[i]; |
| 89 |
< |
rtargv[rtargc++] = argv[argc-1]; |
| 89 |
> |
rtargv[rtargc++] = argv[gargc-1]; |
| 90 |
|
rtargv[rtargc] = NULL; |
| 91 |
|
/* just asking for defaults? */ |
| 92 |
< |
if (!strcmp(argv[argc-1], "-defaults")) { |
| 92 |
> |
if (!strcmp(argv[gargc-1], "-defaults")) { |
| 93 |
> |
printopts(); fflush(stdout); |
| 94 |
|
rtpath = getpath(rtargv[0], getenv("PATH"), X_OK); |
| 95 |
|
if (rtpath == NULL) { |
| 96 |
|
eputs(rtargv[0]); |
| 101 |
|
perror(rtpath); |
| 102 |
|
exit(1); |
| 103 |
|
} |
| 104 |
+ |
if (gargc < 2 || argv[gargc-1][0] == '-') |
| 105 |
+ |
error(USER, "missing octree argument"); |
| 106 |
|
/* else initialize and run our calculation */ |
| 107 |
|
init(); |
| 108 |
< |
filter(stdin, "standard input"); |
| 108 |
> |
if (gargc+1 < argc) |
| 109 |
> |
for (i = gargc+1; i < argc; i++) { |
| 110 |
> |
if ((fp = fopen(argv[i], "r")) == NULL) { |
| 111 |
> |
sprintf(errmsg, |
| 112 |
> |
"cannot open scene file \"%s\"", argv[i]); |
| 113 |
> |
error(SYSTEM, errmsg); |
| 114 |
> |
} |
| 115 |
> |
filter(fp, argv[i]); |
| 116 |
> |
fclose(fp); |
| 117 |
> |
} |
| 118 |
> |
else |
| 119 |
> |
filter(stdin, "standard input"); |
| 120 |
|
quit(0); |
| 121 |
|
} |
| 122 |
|
|
| 123 |
|
|
| 124 |
+ |
quit(status) /* exit with status */ |
| 125 |
+ |
int status; |
| 126 |
+ |
{ |
| 127 |
+ |
int rtstat; |
| 128 |
+ |
|
| 129 |
+ |
rtstat = close_process(rt.pd); |
| 130 |
+ |
if (status == 0) |
| 131 |
+ |
if (rtstat < 0) |
| 132 |
+ |
error(WARNING, |
| 133 |
+ |
"unknown return status from rtrace process"); |
| 134 |
+ |
else |
| 135 |
+ |
status = rtstat; |
| 136 |
+ |
exit(status); |
| 137 |
+ |
} |
| 138 |
+ |
|
| 139 |
+ |
|
| 140 |
|
init() /* start rtrace and set up buffers */ |
| 141 |
|
{ |
| 142 |
+ |
extern int o_face(), o_sphere(), o_ring(); |
| 143 |
|
int maxbytes; |
| 144 |
< |
|
| 144 |
> |
/* set up object functions */ |
| 145 |
> |
ofun[OBJ_FACE].funp = o_face; |
| 146 |
> |
ofun[OBJ_SPHERE].funp = o_sphere; |
| 147 |
> |
ofun[OBJ_RING].funp = o_ring; |
| 148 |
> |
/* set up signal handling */ |
| 149 |
> |
signal(SIGPIPE, quit); |
| 150 |
> |
/* start rtrace process */ |
| 151 |
> |
errno = 0; |
| 152 |
|
maxbytes = open_process(rt.pd, rtargv); |
| 153 |
|
if (maxbytes == 0) { |
| 154 |
|
eputs(rtargv[0]); |
| 158 |
|
if (maxbytes < 0) |
| 159 |
|
error(SYSTEM, "cannot start rtrace process"); |
| 160 |
|
rt.bsiz = maxbytes/(6*sizeof(float)); |
| 161 |
< |
rt.buf = (float *)malloc(rt.bsiz*(6*sizeof(float))); |
| 162 |
< |
if (rt.buf == NULL) |
| 161 |
> |
rt.buf = (float *)malloc(6*sizeof(float)*rt.bsiz--); |
| 162 |
> |
rt.dest = (float **)malloc(sizeof(float *)*rt.bsiz); |
| 163 |
> |
if (rt.buf == NULL || rt.dest == NULL) |
| 164 |
|
error(SYSTEM, "out of memory in init"); |
| 119 |
– |
rt.bsiz--; /* allow for flush ray */ |
| 165 |
|
rt.nrays = 0; |
| 166 |
+ |
/* set up urand */ |
| 167 |
+ |
initurand(2048); |
| 168 |
|
} |
| 169 |
|
|
| 170 |
|
|
| 124 |
– |
quit(status) /* exit with status */ |
| 125 |
– |
int status; |
| 126 |
– |
{ |
| 127 |
– |
int rtstat; |
| 128 |
– |
|
| 129 |
– |
rtstat = close_process(rt.pd); |
| 130 |
– |
if (status == 0) |
| 131 |
– |
if (rtstat < 0) |
| 132 |
– |
error(WARNING, |
| 133 |
– |
"unknown return status from rtrace process"); |
| 134 |
– |
else |
| 135 |
– |
status = rtstat; |
| 136 |
– |
exit(status); |
| 137 |
– |
} |
| 138 |
– |
|
| 139 |
– |
|
| 171 |
|
eputs(s) /* put string to stderr */ |
| 172 |
|
register char *s; |
| 173 |
|
{ |
| 260 |
|
if (*++cp != '=') |
| 261 |
|
break; |
| 262 |
|
if (!*++cp) { |
| 263 |
+ |
strcpy(thisillum.datafile,thisillum.matname); |
| 264 |
+ |
thisillum.dfnum = 0; |
| 265 |
|
thisillum.flags &= ~IL_DATCLB; |
| 266 |
|
continue; |
| 267 |
|
} |
| 272 |
|
continue; |
| 273 |
|
case 'i': /* include material */ |
| 274 |
|
case 'e': /* exclude material */ |
| 275 |
< |
matselect = (*cp == 'i') ? S_ELEM : S_COMPL; |
| 243 |
< |
if (*++cp != '=') |
| 275 |
> |
if (cp[1] != '=') |
| 276 |
|
break; |
| 277 |
< |
atos(matcheck, MAXSTR, ++cp); |
| 277 |
> |
matselect = (*cp == 'i') ? S_ELEM : S_COMPL; |
| 278 |
> |
cp += 2; |
| 279 |
> |
atos(matcheck, MAXSTR, cp); |
| 280 |
|
cp = sskip(cp); |
| 281 |
|
continue; |
| 282 |
|
case 'a': /* use everything */ |
| 292 |
|
break; |
| 293 |
|
switch (*++cp) { |
| 294 |
|
case 'a': /* average */ |
| 295 |
< |
thisillum.flags |= IL_COLAVG; |
| 296 |
< |
thisillum.flags &= ~IL_COLDST; |
| 295 |
> |
thisillum.flags = (thisillum.flags|IL_COLAVG) |
| 296 |
> |
& ~IL_COLDST; |
| 297 |
|
break; |
| 298 |
|
case 'd': /* distribution */ |
| 299 |
< |
thisillum.flags |= IL_COLDST; |
| 266 |
< |
thisillum.flags &= ~IL_COLAVG; |
| 299 |
> |
thisillum.flags |= (IL_COLDST|IL_COLAVG); |
| 300 |
|
break; |
| 301 |
|
case 'n': /* none */ |
| 302 |
|
thisillum.flags &= ~(IL_COLAVG|IL_COLDST); |
| 311 |
|
break; |
| 312 |
|
if (!isintd(++cp, " \t\n")) |
| 313 |
|
break; |
| 314 |
< |
sampdens = atoi(cp); |
| 314 |
> |
thisillum.sampdens = atoi(cp); |
| 315 |
|
cp = sskip(cp); |
| 316 |
|
continue; |
| 317 |
|
case 's': /* point super-samples */ |
| 322 |
|
thisillum.nsamps = atoi(cp); |
| 323 |
|
cp = sskip(cp); |
| 324 |
|
continue; |
| 325 |
+ |
case 'l': /* light sources */ |
| 326 |
+ |
cp++; |
| 327 |
+ |
if (*cp == '+') |
| 328 |
+ |
thisillum.flags |= IL_LIGHT; |
| 329 |
+ |
else if (*cp == '-') |
| 330 |
+ |
thisillum.flags &= ~IL_LIGHT; |
| 331 |
+ |
else |
| 332 |
+ |
break; |
| 333 |
+ |
cp++; |
| 334 |
+ |
continue; |
| 335 |
+ |
case 'b': /* brightness */ |
| 336 |
+ |
if (*++cp != '=') |
| 337 |
+ |
break; |
| 338 |
+ |
if (!isfltd(++cp, " \t\n")) |
| 339 |
+ |
break; |
| 340 |
+ |
thisillum.minbrt = atof(cp); |
| 341 |
+ |
if (thisillum.minbrt < 0.) |
| 342 |
+ |
thisillum.minbrt = 0.; |
| 343 |
+ |
cp = sskip(cp); |
| 344 |
+ |
continue; |
| 345 |
|
case 'o': /* output file */ |
| 346 |
|
if (*++cp != '=') |
| 347 |
|
break; |
| 356 |
|
} |
| 357 |
|
doneheader = 0; |
| 358 |
|
continue; |
| 359 |
+ |
case '!': /* processed file! */ |
| 360 |
+ |
sprintf(errmsg, "(%s): already processed!", nm); |
| 361 |
+ |
error(WARNING, errmsg); |
| 362 |
+ |
matselect = S_NONE; |
| 363 |
+ |
return; |
| 364 |
|
} |
| 365 |
|
opterr: /* skip faulty option */ |
| 366 |
|
cp = sskip(cp); |
| 378 |
|
progname, nerrs); |
| 379 |
|
} |
| 380 |
|
/* print pure comment */ |
| 381 |
< |
putchar('#'); putchar(' '); fputs(s+2, stdout); |
| 381 |
> |
printf("# %s", s+2); |
| 382 |
|
} |
| 383 |
|
|
| 384 |
|
|
| 385 |
+ |
printopts() /* print out option default values */ |
| 386 |
+ |
{ |
| 387 |
+ |
printf("m=%-15s\t\t# material name\n", thisillum.matname); |
| 388 |
+ |
printf("f=%-15s\t\t# data file name\n", thisillum.datafile); |
| 389 |
+ |
if (thisillum.flags & IL_COLAVG) |
| 390 |
+ |
if (thisillum.flags & IL_COLDST) |
| 391 |
+ |
printf("c=d\t\t\t\t# color distribution\n"); |
| 392 |
+ |
else |
| 393 |
+ |
printf("c=a\t\t\t\t# color average\n"); |
| 394 |
+ |
else |
| 395 |
+ |
printf("c=n\t\t\t\t# color none\n"); |
| 396 |
+ |
if (thisillum.flags & IL_LIGHT) |
| 397 |
+ |
printf("l+\t\t\t\t# light type on\n"); |
| 398 |
+ |
else |
| 399 |
+ |
printf("l-\t\t\t\t# light type off\n"); |
| 400 |
+ |
printf("d=%d\t\t\t\t# density of points\n", thisillum.sampdens); |
| 401 |
+ |
printf("s=%d\t\t\t\t# samples per point\n", thisillum.nsamps); |
| 402 |
+ |
printf("b=%f\t\t\t# minimum average brightness\n", thisillum.minbrt); |
| 403 |
+ |
} |
| 404 |
+ |
|
| 405 |
+ |
|
| 406 |
|
printhead(ac, av) /* print out header */ |
| 407 |
|
register int ac; |
| 408 |
|
register char **av; |
| 412 |
|
putchar(' '); |
| 413 |
|
fputs(*av++, stdout); |
| 414 |
|
} |
| 415 |
< |
putchar('\n'); |
| 415 |
> |
fputs("\n#@mkillum !\n", stdout); |
| 416 |
|
} |
| 417 |
|
|
| 418 |
|
|
| 435 |
|
printf("\n%s %s %s", thisillum.altmat, ALIASID, str); |
| 436 |
|
if (fgetword(str, MAXSTR, fp) == NULL) |
| 437 |
|
goto readerr; |
| 438 |
< |
printf(" %s\n", str); |
| 438 |
> |
printf("\t%s\n", str); |
| 439 |
|
return; |
| 440 |
|
} |
| 441 |
< |
thisobj.omod = OVOID; |
| 441 |
> |
thisobj.omod = OVOID; /* unused field */ |
| 442 |
|
if ((thisobj.otype = otype(str)) < 0) { |
| 443 |
|
sprintf(errmsg, "(%s): unknown type \"%s\"", nm, str); |
| 444 |
|
error(USER, errmsg); |
| 455 |
|
doit = 0; |
| 456 |
|
break; |
| 457 |
|
case S_ALL: |
| 458 |
< |
doit = issurface(thisobj.otype); |
| 458 |
> |
doit = 1; |
| 459 |
|
break; |
| 460 |
|
case S_ELEM: |
| 461 |
|
doit = !strcmp(thisillum.altmat, matcheck); |
| 464 |
|
doit = strcmp(thisillum.altmat, matcheck); |
| 465 |
|
break; |
| 466 |
|
} |
| 467 |
< |
if (doit) /* make sure we can do it */ |
| 389 |
< |
switch (thisobj.otype) { |
| 390 |
< |
case OBJ_SPHERE: |
| 391 |
< |
case OBJ_FACE: |
| 392 |
< |
case OBJ_RING: |
| 393 |
< |
break; |
| 394 |
< |
default: |
| 395 |
< |
sprintf(errmsg, |
| 396 |
< |
"(%s): cannot make illum for %s \"%s\"", |
| 397 |
< |
nm, ofun[thisobj.otype].funame, |
| 398 |
< |
thisobj.oname); |
| 399 |
< |
error(WARNING, errmsg); |
| 400 |
< |
doit = 0; |
| 401 |
< |
break; |
| 402 |
< |
} |
| 467 |
> |
doit = doit && issurface(thisobj.otype); |
| 468 |
|
/* print header? */ |
| 469 |
|
checkhead(); |
| 470 |
|
/* process object */ |
| 471 |
|
if (doit) |
| 472 |
< |
mkillum(&thisobj, &thisillum, &rt); |
| 472 |
> |
(*ofun[thisobj.otype].funp)(&thisobj, &thisillum, &rt, nm); |
| 473 |
|
else |
| 474 |
|
printobj(thisillum.altmat, &thisobj); |
| 475 |
|
/* free arguments */ |
| 479 |
|
sprintf(errmsg, "(%s): error reading scene", nm); |
| 480 |
|
error(USER, errmsg); |
| 481 |
|
} |
| 417 |
– |
|
| 418 |
– |
|
| 419 |
– |
int |
| 420 |
– |
otype(ofname) /* get object function number from its name */ |
| 421 |
– |
char *ofname; |
| 422 |
– |
{ |
| 423 |
– |
register int i; |
| 424 |
– |
|
| 425 |
– |
for (i = 0; i < NUMOTYPE; i++) |
| 426 |
– |
if (!strcmp(ofun[i].funame, ofname)) |
| 427 |
– |
return(i); |
| 428 |
– |
|
| 429 |
– |
return(-1); /* not found */ |
| 430 |
– |
} |
| 431 |
– |
|
| 432 |
– |
|
| 433 |
– |
o_default() {} |