| 500 |
|
extern int do_irrad; |
| 501 |
|
extern double specjitter; |
| 502 |
|
extern double specthresh; |
| 503 |
+ |
extern int backvis; |
| 504 |
|
char buf[128]; |
| 505 |
|
|
| 506 |
|
if (s[0] == '\0') { |
| 507 |
|
(*dev->comout)( |
| 508 |
< |
"aa ab ad ar as av b dc di dj ds dt i lr lw ps pt sj st: "); |
| 508 |
> |
"aa ab ad ar as av b dc di dj ds dt i lr lw ps pt sj st bv: "); |
| 509 |
|
(*dev->comin)(buf, NULL); |
| 510 |
|
s = buf; |
| 511 |
|
} |
| 544 |
|
goto badparam; |
| 545 |
|
} |
| 546 |
|
break; |
| 547 |
< |
case 'b': /* black and white */ |
| 548 |
< |
getparam(s+1, "black and white", 'b', &greyscale); |
| 547 |
> |
case 'b': /* back faces or black and white */ |
| 548 |
> |
switch (s[1]) { |
| 549 |
> |
case 'v': /* back face visibility */ |
| 550 |
> |
getparam(s+2, "back face visibility", 'b', &backvis); |
| 551 |
> |
break; |
| 552 |
> |
case '\0': /* black and white */ |
| 553 |
> |
case 'y': case 'Y': case 't': case 'T': case '1': case '+': |
| 554 |
> |
case 'n': case 'N': case 'f': case 'F': case '0': case '-': |
| 555 |
> |
getparam(s+1, "black and white", 'b', &greyscale); |
| 556 |
> |
break; |
| 557 |
> |
default: |
| 558 |
> |
goto badparam; |
| 559 |
> |
} |
| 560 |
|
break; |
| 561 |
|
case 'i': /* irradiance */ |
| 562 |
|
getparam(s+1, "irradiance", 'b', &do_irrad); |
