| 70 |
|
char *defmat = DEFMAT; /* default (starting) material name */ |
| 71 |
|
char *defobj = DEFOBJ; /* default (starting) object name */ |
| 72 |
|
|
| 73 |
+ |
int flatten = 0; /* discard surface normal information */ |
| 74 |
+ |
|
| 75 |
|
char *getmtl(), *getonm(); |
| 76 |
|
|
| 77 |
|
char mapname[128]; /* current picture file */ |
| 101 |
|
case 'm': /* use custom mapfile */ |
| 102 |
|
ourmapping = getmapping(argv[++i], &qlist); |
| 103 |
|
break; |
| 104 |
+ |
case 'f': /* flatten surfaces */ |
| 105 |
+ |
flatten++; |
| 106 |
+ |
break; |
| 107 |
|
default: |
| 108 |
|
goto userr; |
| 109 |
|
} |
| 130 |
|
} |
| 131 |
|
exit(0); |
| 132 |
|
userr: |
| 133 |
< |
fprintf(stderr, "Usage: %s [-o obj][-m mapping][-n] [file.obj]\n", |
| 133 |
> |
fprintf(stderr, "Usage: %s [-o obj][-m mapping][-n][-f] [file.obj]\n", |
| 134 |
|
argv[0]); |
| 135 |
|
exit(1); |
| 136 |
|
} |
| 440 |
|
if (vi[0]-- > nvs) |
| 441 |
|
return(0); |
| 442 |
|
} else if (vi[0] < 0) { |
| 443 |
< |
vi[0] = nvs + vi[0]; |
| 443 |
> |
vi[0] += nvs; |
| 444 |
|
if (vi[0] < 0) |
| 445 |
|
return(0); |
| 446 |
|
} else |
| 454 |
|
if (vi[1]-- > nvts) |
| 455 |
|
return(0); |
| 456 |
|
} else if (vi[1] < 0) { |
| 457 |
< |
vi[1] = nvts + vi[1]; |
| 457 |
> |
vi[1] += nvts; |
| 458 |
|
if (vi[1] < 0) |
| 459 |
|
return(0); |
| 460 |
|
} else |
| 468 |
|
if (vi[2]-- > nvns) |
| 469 |
|
return(0); |
| 470 |
|
} else if (vi[2] < 0) { |
| 471 |
< |
vi[2] = nvns + vi[2]; |
| 471 |
> |
vi[2] += nvns; |
| 472 |
|
if (vi[2] < 0) |
| 473 |
|
return(0); |
| 474 |
|
} else |
| 477 |
|
} |
| 478 |
|
|
| 479 |
|
|
| 480 |
< |
nonplanar(ac, av) /* are vertices are non-planar? */ |
| 480 |
> |
nonplanar(ac, av) /* are vertices non-planar? */ |
| 481 |
|
register int ac; |
| 482 |
|
register char **av; |
| 483 |
|
{ |
| 577 |
|
if (!cvtndx(v1i, v1) || !cvtndx(v2i, v2) || !cvtndx(v3i, v3)) |
| 578 |
|
return(0); |
| 579 |
|
/* compute barycentric coordinates */ |
| 580 |
< |
texOK = (v1i[2]>=0 && v2i[2]>=0 && v3i[2]>=0); |
| 580 |
> |
texOK = !flatten && (v1i[2]>=0 && v2i[2]>=0 && v3i[2]>=0); |
| 581 |
|
#ifdef TEXMAPS |
| 582 |
|
patOK = mapname[0] && (v1i[1]>=0 && v2i[1]>=0 && v3i[1]>=0); |
| 583 |
|
#else |
| 797 |
|
#ifdef TEXMAPS |
| 798 |
|
/* also check for texture indices */ |
| 799 |
|
#endif |
| 800 |
< |
if (!(p0i[2]>=0 && p1i[2]>=0 && p2i[2]>=0 && p3i[2]>=0)) |
| 800 |
> |
if (flatten || !(p0i[2]>=0 && p1i[2]>=0 && p2i[2]>=0 && p3i[2]>=0)) |
| 801 |
|
return(-1); |
| 802 |
|
/* find dominant axis */ |
| 803 |
|
VCOPY(v1, vnlist[p0i[2]]); |