| 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); |