35 |
|
#define pvect(p) printf(vformat, (p)[0], (p)[1], (p)[2]) |
36 |
|
|
37 |
|
char vformat[] = "%18.12g %18.12g %18.12g\n"; |
38 |
< |
char tsargs[] = "4 surf_dx surf_dy surf_dz surf.cal\n"; |
38 |
> |
char tsargs[] = "4 surf_dx surf_dy surf_dz surf.cal"; |
39 |
|
char texname[] = "Phong"; |
40 |
|
|
41 |
|
int smooth = 0; /* apply smoothing? */ |
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 */ |
198 |
|
{ |
199 |
|
FILE *fp; |
200 |
|
char word[64]; |
201 |
< |
register int size; |
202 |
< |
register RREAL *dp; |
201 |
> |
int size; |
202 |
> |
RREAL *dp; |
203 |
|
|
204 |
|
datarec.flags = HASBORDER; /* assume border values */ |
205 |
|
datarec.m = m+1; |
230 |
|
size--; |
231 |
|
} |
232 |
|
if (size == (m+n+1)*pointsize) { /* no border after all */ |
233 |
< |
dp = (RREAL *)realloc((void *)datarec.data, |
233 |
> |
dp = (RREAL *)realloc(datarec.data, |
234 |
|
m*n*pointsize*sizeof(RREAL)); |
235 |
|
if (dp != NULL) |
236 |
|
datarec.data = dp; |
255 |
|
) |
256 |
|
{ |
257 |
|
double u, v; |
258 |
< |
register int i, j; |
259 |
< |
register RREAL *dp; |
258 |
> |
int i, j; |
259 |
> |
RREAL *dp; |
260 |
|
double d00, d01, d10, d11; |
261 |
|
/* compute coordinates */ |
262 |
|
u = argument(1); v = argument(2); |
294 |
|
|
295 |
|
void |
296 |
|
putobjrow( /* output vertex row to .OBJ */ |
297 |
< |
register POINT *rp, |
297 |
> |
POINT *rp, |
298 |
|
int n |
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 */ |
376 |
|
if (ok1 & ok2 && fdot(vc1,vc2) >= 1.0-FTINY*FTINY) { |
377 |
|
printf("\n%s ", modname); |
378 |
|
if (axis != -1) { |
379 |
< |
printf("texfunc %s\n", texname); |
386 |
< |
printf(tsargs); |
379 |
> |
printf("texfunc %s\n%s\n", texname, tsargs); |
380 |
|
printf("0\n13\t%d\n", axis); |
381 |
|
pvect(norm[0]); |
382 |
|
pvect(norm[1]); |
398 |
|
if (ok1) { |
399 |
|
printf("\n%s ", modname); |
400 |
|
if (axis != -1) { |
401 |
< |
printf("texfunc %s\n", texname); |
409 |
< |
printf(tsargs); |
401 |
> |
printf("texfunc %s\n%s\n", texname, tsargs); |
402 |
|
printf("0\n13\t%d\n", axis); |
403 |
|
pvect(norm[0]); |
404 |
|
pvect(norm[1]); |
416 |
|
if (ok2) { |
417 |
|
printf("\n%s ", modname); |
418 |
|
if (axis != -1) { |
419 |
< |
printf("texfunc %s\n", texname); |
428 |
< |
printf(tsargs); |
419 |
> |
printf("texfunc %s\n%s\n", texname, tsargs); |
420 |
|
printf("0\n13\t%d\n", axis); |
421 |
|
pvect(norm[0]); |
422 |
|
pvect(norm[1]); |
437 |
|
void |
438 |
|
comprow( /* compute row of values */ |
439 |
|
double s, |
440 |
< |
register POINT *row, |
440 |
> |
POINT *row, |
441 |
|
int siz |
442 |
|
) |
443 |
|
{ |
444 |
|
double st[2]; |
445 |
|
int end; |
446 |
|
int checkvalid; |
447 |
< |
register int i; |
447 |
> |
int i; |
448 |
|
|
449 |
|
if (smooth) { |
450 |
|
i = -1; /* compute one past each end */ |
478 |
|
|
479 |
|
void |
480 |
|
compnorms( /* compute row of averaged normals */ |
481 |
< |
register POINT *r0, |
482 |
< |
register POINT *r1, |
483 |
< |
register POINT *r2, |
481 |
> |
POINT *r0, |
482 |
> |
POINT *r1, |
483 |
> |
POINT *r2, |
484 |
|
int siz |
485 |
|
) |
486 |
|
{ |
521 |
|
|
522 |
|
int |
523 |
|
norminterp( /* compute normal interpolation */ |
524 |
< |
register FVECT resmat[4], |
524 |
> |
FVECT resmat[4], |
525 |
|
POINT *p0, |
526 |
|
POINT *p1, |
527 |
|
POINT *p2, |
531 |
|
#define u ((ax+1)%3) |
532 |
|
#define v ((ax+2)%3) |
533 |
|
|
534 |
< |
register int ax; |
534 |
> |
int ax; |
535 |
|
MAT4 eqnmat; |
536 |
|
FVECT v1; |
537 |
< |
register int i, j; |
537 |
> |
int i, j; |
538 |
|
|
539 |
|
if (!smooth) /* no interpolation if no smoothing */ |
540 |
|
return(-1); |