58 |
|
|
59 |
|
typedef struct { |
60 |
|
int valid; /* point is valid (vertex number) */ |
61 |
+ |
int nvalid; /* normal is valid */ |
62 |
|
FVECT p; /* vertex position */ |
63 |
|
FVECT n; /* average normal */ |
64 |
|
RREAL uv[2]; /* (u,v) position */ |
299 |
|
) |
300 |
|
{ |
301 |
|
static int nverts = 0; |
302 |
+ |
static int nnorms = 0; |
303 |
|
|
304 |
|
for ( ; n-- >= 0; rp++) { |
305 |
|
if (!rp->valid) |
306 |
|
continue; |
307 |
|
fputs("v ", stdout); |
308 |
|
pvect(rp->p); |
309 |
< |
if (smooth && !ZEROVECT(rp->n)) |
309 |
> |
if (smooth && !ZEROVECT(rp->n)) { |
310 |
|
printf("\tvn %.9g %.9g %.9g\n", |
311 |
|
rp->n[0], rp->n[1], rp->n[2]); |
312 |
+ |
rp->nvalid = ++nnorms; |
313 |
+ |
} else |
314 |
+ |
rp->nvalid = 0; |
315 |
|
printf("\tvt %.9g %.9g\n", rp->uv[0], rp->uv[1]); |
316 |
|
rp->valid = ++nverts; |
317 |
|
} |
349 |
|
if (!(ok1 | ok2)) |
350 |
|
return; |
351 |
|
if (objout) { /* output .OBJ faces */ |
347 |
– |
int p0n=0, p1n=0, p2n=0, p3n=0; |
348 |
– |
if (smooth) { |
349 |
– |
if (!ZEROVECT(p0->n)) |
350 |
– |
p0n = p0->valid; |
351 |
– |
if (!ZEROVECT(p1->n)) |
352 |
– |
p1n = p1->valid; |
353 |
– |
if (!ZEROVECT(p2->n)) |
354 |
– |
p2n = p2->valid; |
355 |
– |
if (!ZEROVECT(p3->n)) |
356 |
– |
p3n = p3->valid; |
357 |
– |
} |
352 |
|
if (ok1 & ok2 && fdot(vc1,vc2) >= 1.0-FTINY*FTINY) { |
353 |
|
printf("f %d/%d/%d %d/%d/%d %d/%d/%d %d/%d/%d\n", |
354 |
< |
p0->valid, p0->valid, p0n, |
355 |
< |
p1->valid, p1->valid, p1n, |
356 |
< |
p3->valid, p3->valid, p3n, |
357 |
< |
p2->valid, p2->valid, p2n); |
354 |
> |
p0->valid, p0->valid, p0->nvalid, |
355 |
> |
p1->valid, p1->valid, p1->nvalid, |
356 |
> |
p3->valid, p3->valid, p3->nvalid, |
357 |
> |
p2->valid, p2->valid, p2->nvalid); |
358 |
|
return; |
359 |
|
} |
360 |
|
if (ok1) |
361 |
|
printf("f %d/%d/%d %d/%d/%d %d/%d/%d\n", |
362 |
< |
p0->valid, p0->valid, p0n, |
363 |
< |
p1->valid, p1->valid, p1n, |
364 |
< |
p2->valid, p2->valid, p2n); |
362 |
> |
p0->valid, p0->valid, p0->nvalid, |
363 |
> |
p1->valid, p1->valid, p1->nvalid, |
364 |
> |
p2->valid, p2->valid, p2->nvalid); |
365 |
|
if (ok2) |
366 |
|
printf("f %d/%d/%d %d/%d/%d %d/%d/%d\n", |
367 |
< |
p2->valid, p2->valid, p2n, |
368 |
< |
p1->valid, p1->valid, p1n, |
369 |
< |
p3->valid, p3->valid, p3n); |
367 |
> |
p2->valid, p2->valid, p2->nvalid, |
368 |
> |
p1->valid, p1->valid, p1->nvalid, |
369 |
> |
p3->valid, p3->valid, p3->nvalid); |
370 |
|
return; |
371 |
|
} |
372 |
|
/* compute normal interpolation */ |