24 |
|
|
25 |
|
struct illum_args thisillum = { /* our illum and default values */ |
26 |
|
0, |
27 |
– |
UDzpos, |
27 |
|
0., |
28 |
|
DFLMAT, |
29 |
|
DFLDAT, |
31 |
|
VOIDID, |
32 |
|
SAMPDENS, |
33 |
|
NSAMPS, |
35 |
– |
NULL, |
34 |
|
0., |
35 |
|
}; |
36 |
|
|
305 |
|
} |
306 |
|
cp = sskip(cp); |
307 |
|
continue; |
308 |
< |
case 'd': /* sample density / BSDF data */ |
308 |
> |
case 'd': /* sample density */ |
309 |
|
if (*++cp != '=') |
310 |
|
break; |
313 |
– |
if (thisillum.sd != NULL) { |
314 |
– |
free_BSDF(thisillum.sd); |
315 |
– |
thisillum.sd = NULL; |
316 |
– |
} |
311 |
|
if (!*++cp || isspace(*cp)) |
312 |
|
continue; |
313 |
|
if (isintd(cp, " \t\n\r")) { |
314 |
|
thisillum.sampdens = atoi(cp); |
315 |
|
} else { |
316 |
< |
atos(buf, sizeof(buf), cp); |
317 |
< |
thisillum.sd = load_BSDF(buf); |
324 |
< |
if (thisillum.sd == NULL) |
325 |
< |
break; |
316 |
> |
error(WARNING, "direct BSDF input unsupported"); |
317 |
> |
goto opterr; |
318 |
|
} |
319 |
|
cp = sskip(cp); |
320 |
|
continue; |
360 |
|
} |
361 |
|
doneheader = 0; |
362 |
|
continue; |
371 |
– |
case 'u': /* up direction */ |
372 |
– |
if (*++cp != '=') |
373 |
– |
break; |
374 |
– |
if (!*++cp || isspace(*cp)) { |
375 |
– |
thisillum.udir = UDunknown; |
376 |
– |
continue; |
377 |
– |
} |
378 |
– |
negax = 0; |
379 |
– |
if (*cp == '+') |
380 |
– |
cp++; |
381 |
– |
else if (*cp == '-') { |
382 |
– |
negax++; |
383 |
– |
cp++; |
384 |
– |
} |
385 |
– |
switch (*cp++) { |
386 |
– |
case 'x': |
387 |
– |
case 'X': |
388 |
– |
thisillum.udir = negax ? UDxneg : UDxpos; |
389 |
– |
break; |
390 |
– |
case 'y': |
391 |
– |
case 'Y': |
392 |
– |
thisillum.udir = negax ? UDyneg : UDypos; |
393 |
– |
break; |
394 |
– |
case 'z': |
395 |
– |
case 'Z': |
396 |
– |
thisillum.udir = negax ? UDzneg : UDzpos; |
397 |
– |
break; |
398 |
– |
default: |
399 |
– |
thisillum.udir = UDunknown; |
400 |
– |
break; |
401 |
– |
} |
402 |
– |
if (thisillum.udir == UDunknown || !isspace(*cp)) |
403 |
– |
break; |
404 |
– |
continue; |
363 |
|
case 't': /* object thickness */ |
364 |
|
if (*++cp != '=') |
365 |
|
break; |
415 |
|
printf("d=%d\t\t\t\t# density of directions\n", thisillum.sampdens); |
416 |
|
printf("s=%d\t\t\t\t# samples per direction\n", thisillum.nsamps); |
417 |
|
printf("b=%f\t\t\t# minimum average brightness\n", thisillum.minbrt); |
460 |
– |
switch (thisillum.udir) { |
461 |
– |
case UDzneg: |
462 |
– |
fputs("u=-Z\t\t\t\t# up is negative Z\n", stdout); |
463 |
– |
break; |
464 |
– |
case UDyneg: |
465 |
– |
fputs("u=-Y\t\t\t\t# up is negative Y\n", stdout); |
466 |
– |
break; |
467 |
– |
case UDxneg: |
468 |
– |
fputs("u=-X\t\t\t\t# up is negative X\n", stdout); |
469 |
– |
break; |
470 |
– |
case UDxpos: |
471 |
– |
fputs("u=+X\t\t\t\t# up is positive X\n", stdout); |
472 |
– |
break; |
473 |
– |
case UDypos: |
474 |
– |
fputs("u=+Y\t\t\t\t# up is positive Y\n", stdout); |
475 |
– |
break; |
476 |
– |
case UDzpos: |
477 |
– |
fputs("u=+Z\t\t\t\t# up is positive Z\n", stdout); |
478 |
– |
break; |
479 |
– |
case UDunknown: |
480 |
– |
break; |
481 |
– |
} |
418 |
|
printf("t=%f\t\t\t# object thickness\n", thisillum.thick); |
419 |
|
} |
420 |
|
|