8 |
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#include <signal.h> |
9 |
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#include <ctype.h> |
10 |
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|
11 |
+ |
#include "paths.h" /* win_popen() */ |
12 |
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#include "mkillum.h" |
13 |
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|
14 |
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/* default parameters */ |
24 |
|
|
25 |
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struct illum_args thisillum = { /* our illum and default values */ |
26 |
|
0, |
26 |
– |
UDzpos, |
27 |
– |
0., |
27 |
|
DFLMAT, |
28 |
|
DFLDAT, |
29 |
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0, |
30 |
|
VOIDID, |
31 |
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SAMPDENS, |
32 |
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NSAMPS, |
34 |
– |
NULL, |
33 |
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0., |
34 |
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}; |
35 |
|
|
68 |
|
/* set up rendering defaults */ |
69 |
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dstrsrc = 0.5; |
70 |
|
directrelay = 3; |
73 |
– |
directvis = 0; |
71 |
|
ambounce = 2; |
72 |
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/* get options from command line */ |
73 |
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for (i = 1; i < argc; i++) { |
304 |
|
} |
305 |
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cp = sskip(cp); |
306 |
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continue; |
307 |
< |
case 'd': /* sample density / BSDF data */ |
307 |
> |
case 'd': /* sample density */ |
308 |
|
if (*++cp != '=') |
309 |
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break; |
313 |
– |
if (thisillum.sd != NULL) { |
314 |
– |
free_BSDF(thisillum.sd); |
315 |
– |
thisillum.sd = NULL; |
316 |
– |
} |
310 |
|
if (!*++cp || isspace(*cp)) |
311 |
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continue; |
312 |
|
if (isintd(cp, " \t\n\r")) { |
313 |
|
thisillum.sampdens = atoi(cp); |
314 |
|
} else { |
315 |
< |
atos(buf, sizeof(buf), cp); |
316 |
< |
thisillum.sd = load_BSDF(buf); |
324 |
< |
if (thisillum.sd == NULL) |
325 |
< |
break; |
315 |
> |
error(WARNING, "direct BSDF input unsupported"); |
316 |
> |
goto opterr; |
317 |
|
} |
318 |
|
cp = sskip(cp); |
319 |
|
continue; |
359 |
|
} |
360 |
|
doneheader = 0; |
361 |
|
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; |
405 |
– |
case 't': /* object thickness */ |
406 |
– |
if (*++cp != '=') |
407 |
– |
break; |
408 |
– |
if (!isfltd(++cp, " \t\n\r")) |
409 |
– |
break; |
410 |
– |
thisillum.thick = atof(cp); |
411 |
– |
if (thisillum.thick < .0) |
412 |
– |
thisillum.thick = .0; |
413 |
– |
cp = sskip(cp); |
414 |
– |
continue; |
362 |
|
case '!': /* processed file! */ |
363 |
|
sprintf(errmsg, "(%s): already processed!", nm); |
364 |
|
error(WARNING, errmsg); |
404 |
|
printf("d=%d\t\t\t\t# density of directions\n", thisillum.sampdens); |
405 |
|
printf("s=%d\t\t\t\t# samples per direction\n", thisillum.nsamps); |
406 |
|
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 |
– |
} |
482 |
– |
printf("t=%f\t\t\t# object thickness\n", thisillum.thick); |
407 |
|
} |
408 |
|
|
409 |
|
|