18 |
|
#include "standard.h" |
19 |
|
|
20 |
|
#include "paths.h" |
21 |
+ |
#include "resolu.h" |
22 |
+ |
#include "rterror.h" |
23 |
|
#include "calcomp.h" |
24 |
|
|
25 |
|
char XNAME[] = "X`SYS"; /* x function name */ |
34 |
|
|
35 |
|
#define pvect(p) printf(vformat, (p)[0], (p)[1], (p)[2]) |
36 |
|
|
37 |
< |
char vformat[] = "%15.9g %15.9g %15.9g\n"; |
38 |
< |
char tsargs[] = "4 surf_dx surf_dy surf_dz surf.cal\n"; |
37 |
> |
char vformat[] = "%18.12g %18.12g %18.12g\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 */ |
65 |
|
} POINT; |
66 |
|
|
67 |
+ |
int nverts = 0; /* vertex output count */ |
68 |
+ |
int nnorms = 0; /* normal output count */ |
69 |
|
|
70 |
|
void loaddata(char *file, int m, int n, int pointsize); |
71 |
|
double l_dataval(char *nam); |
72 |
|
void putobjrow(POINT *rp, int n); |
73 |
+ |
void putobjvert(POINT *p); |
74 |
|
void putsquare(POINT *p0, POINT *p1, POINT *p2, POINT *p3); |
75 |
|
void comprow(double s, POINT *row, int siz); |
76 |
|
void compnorms(POINT *r0, POINT *r1, POINT *r2, int siz); |
77 |
|
int norminterp(FVECT resmat[4], POINT *p0, POINT *p1, POINT *p2, POINT *p3); |
72 |
– |
void printhead(int ac, char **av); |
78 |
|
|
79 |
|
|
80 |
|
int |
86 |
|
int i, j, m, n; |
87 |
|
char stmp[256]; |
88 |
|
|
89 |
+ |
esupport |= E_VARIABLE|E_FUNCTION|E_RCONST; |
90 |
+ |
esupport &= ~(E_OUTCHAN|E_INCHAN); |
91 |
|
varset("PI", ':', PI); |
92 |
|
funset("hermite", 5, ':', l_hermite); |
93 |
|
funset("bezier", 5, ':', l_bezier); |
144 |
|
} |
145 |
|
row0++; row1++; row2++; |
146 |
|
/* print header */ |
147 |
< |
printhead(argc, argv); |
147 |
> |
fputs("# ", stdout); |
148 |
> |
printargs(argc, argv, stdout); |
149 |
|
eclock = 0; |
150 |
|
/* initialize */ |
151 |
|
comprow(-1.0/m, row0, n); |
188 |
|
|
189 |
|
userror: |
190 |
|
fprintf(stderr, "Usage: %s material name ", argv[0]); |
191 |
< |
fprintf(stderr, "x(s,t) y(s,t) z(s,t) m n [-s][-e expr][-f file]\n"); |
191 |
> |
fprintf(stderr, "x(s,t) y(s,t) z(s,t) m n [-s][-o][-e expr][-f file]\n"); |
192 |
|
return 1; |
193 |
|
} |
194 |
|
|
203 |
|
{ |
204 |
|
FILE *fp; |
205 |
|
char word[64]; |
206 |
< |
register int size; |
207 |
< |
register RREAL *dp; |
206 |
> |
int size; |
207 |
> |
RREAL *dp; |
208 |
|
|
209 |
|
datarec.flags = HASBORDER; /* assume border values */ |
210 |
|
datarec.m = m+1; |
235 |
|
size--; |
236 |
|
} |
237 |
|
if (size == (m+n+1)*pointsize) { /* no border after all */ |
238 |
< |
dp = (RREAL *)realloc((void *)datarec.data, |
238 |
> |
dp = (RREAL *)realloc(datarec.data, |
239 |
|
m*n*pointsize*sizeof(RREAL)); |
240 |
|
if (dp != NULL) |
241 |
|
datarec.data = dp; |
260 |
|
) |
261 |
|
{ |
262 |
|
double u, v; |
263 |
< |
register int i, j; |
264 |
< |
register RREAL *dp; |
263 |
> |
int i, j; |
264 |
> |
RREAL *dp; |
265 |
|
double d00, d01, d10, d11; |
266 |
|
/* compute coordinates */ |
267 |
|
u = argument(1); v = argument(2); |
299 |
|
|
300 |
|
void |
301 |
|
putobjrow( /* output vertex row to .OBJ */ |
302 |
< |
register POINT *rp, |
302 |
> |
POINT *rp, |
303 |
|
int n |
304 |
|
) |
305 |
|
{ |
298 |
– |
static int nverts = 0; |
299 |
– |
|
306 |
|
for ( ; n-- >= 0; rp++) { |
307 |
|
if (!rp->valid) |
308 |
|
continue; |
309 |
|
fputs("v ", stdout); |
310 |
|
pvect(rp->p); |
311 |
< |
if (smooth && !ZEROVECT(rp->n)) |
311 |
> |
if (smooth && !ZEROVECT(rp->n)) { |
312 |
|
printf("\tvn %.9g %.9g %.9g\n", |
313 |
|
rp->n[0], rp->n[1], rp->n[2]); |
314 |
+ |
rp->nvalid = ++nnorms; |
315 |
+ |
} else |
316 |
+ |
rp->nvalid = 0; |
317 |
|
printf("\tvt %.9g %.9g\n", rp->uv[0], rp->uv[1]); |
318 |
|
rp->valid = ++nverts; |
319 |
|
} |
321 |
|
|
322 |
|
|
323 |
|
void |
324 |
+ |
putobjvert( /* put out OBJ vertex index triplet */ |
325 |
+ |
POINT *p |
326 |
+ |
) |
327 |
+ |
{ |
328 |
+ |
int pti = p->valid ? p->valid-nverts-1 : 0; |
329 |
+ |
int ni = p->nvalid ? p->nvalid-nnorms-1 : 0; |
330 |
+ |
|
331 |
+ |
printf(" %d/%d/%d", pti, pti, ni); |
332 |
+ |
} |
333 |
+ |
|
334 |
+ |
|
335 |
+ |
void |
336 |
|
putsquare( /* put out a square */ |
337 |
|
POINT *p0, |
338 |
|
POINT *p1, |
363 |
|
if (!(ok1 | ok2)) |
364 |
|
return; |
365 |
|
if (objout) { /* output .OBJ faces */ |
345 |
– |
int p0n=0, p1n=0, p2n=0, p3n=0; |
346 |
– |
if (smooth) { |
347 |
– |
if (!ZEROVECT(p0->n)) |
348 |
– |
p0n = p0->valid; |
349 |
– |
if (!ZEROVECT(p1->n)) |
350 |
– |
p1n = p1->valid; |
351 |
– |
if (!ZEROVECT(p2->n)) |
352 |
– |
p2n = p2->valid; |
353 |
– |
if (!ZEROVECT(p3->n)) |
354 |
– |
p3n = p3->valid; |
355 |
– |
} |
366 |
|
if (ok1 & ok2 && fdot(vc1,vc2) >= 1.0-FTINY*FTINY) { |
367 |
< |
printf("f %d/%d/%d %d/%d/%d %d/%d/%d %d/%d/%d\n", |
368 |
< |
p0->valid, p0->valid, p0n, |
369 |
< |
p1->valid, p1->valid, p1n, |
370 |
< |
p3->valid, p3->valid, p3n, |
361 |
< |
p2->valid, p2->valid, p2n); |
367 |
> |
putc('f', stdout); |
368 |
> |
putobjvert(p0); putobjvert(p1); |
369 |
> |
putobjvert(p3); putobjvert(p2); |
370 |
> |
putc('\n', stdout); |
371 |
|
return; |
372 |
|
} |
373 |
< |
if (ok1) |
374 |
< |
printf("f %d/%d/%d %d/%d/%d %d/%d/%d\n", |
375 |
< |
p0->valid, p0->valid, p0n, |
376 |
< |
p1->valid, p1->valid, p1n, |
377 |
< |
p2->valid, p2->valid, p2n); |
378 |
< |
if (ok2) |
379 |
< |
printf("f %d/%d/%d %d/%d/%d %d/%d/%d\n", |
380 |
< |
p2->valid, p2->valid, p2n, |
381 |
< |
p1->valid, p1->valid, p1n, |
382 |
< |
p3->valid, p3->valid, p3n); |
373 |
> |
if (ok1) { |
374 |
> |
putc('f', stdout); |
375 |
> |
putobjvert(p0); putobjvert(p1); putobjvert(p2); |
376 |
> |
putc('\n', stdout); |
377 |
> |
} |
378 |
> |
if (ok2) { |
379 |
> |
putc('f', stdout); |
380 |
> |
putobjvert(p2); putobjvert(p1); putobjvert(p3); |
381 |
> |
putc('\n', stdout); |
382 |
> |
} |
383 |
|
return; |
384 |
|
} |
385 |
|
/* compute normal interpolation */ |
389 |
|
if (ok1 & ok2 && fdot(vc1,vc2) >= 1.0-FTINY*FTINY) { |
390 |
|
printf("\n%s ", modname); |
391 |
|
if (axis != -1) { |
392 |
< |
printf("texfunc %s\n", texname); |
384 |
< |
printf(tsargs); |
392 |
> |
printf("texfunc %s\n%s\n", texname, tsargs); |
393 |
|
printf("0\n13\t%d\n", axis); |
394 |
|
pvect(norm[0]); |
395 |
|
pvect(norm[1]); |
411 |
|
if (ok1) { |
412 |
|
printf("\n%s ", modname); |
413 |
|
if (axis != -1) { |
414 |
< |
printf("texfunc %s\n", texname); |
407 |
< |
printf(tsargs); |
414 |
> |
printf("texfunc %s\n%s\n", texname, tsargs); |
415 |
|
printf("0\n13\t%d\n", axis); |
416 |
|
pvect(norm[0]); |
417 |
|
pvect(norm[1]); |
429 |
|
if (ok2) { |
430 |
|
printf("\n%s ", modname); |
431 |
|
if (axis != -1) { |
432 |
< |
printf("texfunc %s\n", texname); |
426 |
< |
printf(tsargs); |
432 |
> |
printf("texfunc %s\n%s\n", texname, tsargs); |
433 |
|
printf("0\n13\t%d\n", axis); |
434 |
|
pvect(norm[0]); |
435 |
|
pvect(norm[1]); |
450 |
|
void |
451 |
|
comprow( /* compute row of values */ |
452 |
|
double s, |
453 |
< |
register POINT *row, |
453 |
> |
POINT *row, |
454 |
|
int siz |
455 |
|
) |
456 |
|
{ |
457 |
|
double st[2]; |
458 |
|
int end; |
459 |
|
int checkvalid; |
460 |
< |
register int i; |
460 |
> |
int i; |
461 |
|
|
462 |
|
if (smooth) { |
463 |
|
i = -1; /* compute one past each end */ |
491 |
|
|
492 |
|
void |
493 |
|
compnorms( /* compute row of averaged normals */ |
494 |
< |
register POINT *r0, |
495 |
< |
register POINT *r1, |
496 |
< |
register POINT *r2, |
494 |
> |
POINT *r0, |
495 |
> |
POINT *r1, |
496 |
> |
POINT *r2, |
497 |
|
int siz |
498 |
|
) |
499 |
|
{ |
534 |
|
|
535 |
|
int |
536 |
|
norminterp( /* compute normal interpolation */ |
537 |
< |
register FVECT resmat[4], |
537 |
> |
FVECT resmat[4], |
538 |
|
POINT *p0, |
539 |
|
POINT *p1, |
540 |
|
POINT *p2, |
544 |
|
#define u ((ax+1)%3) |
545 |
|
#define v ((ax+2)%3) |
546 |
|
|
547 |
< |
register int ax; |
547 |
> |
int ax; |
548 |
|
MAT4 eqnmat; |
549 |
|
FVECT v1; |
550 |
< |
register int i, j; |
550 |
> |
int i, j; |
551 |
|
|
552 |
|
if (!smooth) /* no interpolation if no smoothing */ |
553 |
|
return(-1); |
589 |
|
|
590 |
|
#undef u |
591 |
|
#undef v |
586 |
– |
} |
587 |
– |
|
588 |
– |
|
589 |
– |
void |
590 |
– |
eputs(msg) |
591 |
– |
char *msg; |
592 |
– |
{ |
593 |
– |
fputs(msg, stderr); |
594 |
– |
} |
595 |
– |
|
596 |
– |
|
597 |
– |
void |
598 |
– |
wputs(msg) |
599 |
– |
char *msg; |
600 |
– |
{ |
601 |
– |
eputs(msg); |
602 |
– |
} |
603 |
– |
|
604 |
– |
|
605 |
– |
void |
606 |
– |
quit(code) |
607 |
– |
int code; |
608 |
– |
{ |
609 |
– |
exit(code); |
610 |
– |
} |
611 |
– |
|
612 |
– |
|
613 |
– |
void |
614 |
– |
printhead( /* print command header */ |
615 |
– |
register int ac, |
616 |
– |
register char **av |
617 |
– |
) |
618 |
– |
{ |
619 |
– |
putchar('#'); |
620 |
– |
while (ac--) { |
621 |
– |
putchar(' '); |
622 |
– |
fputs(*av++, stdout); |
623 |
– |
} |
624 |
– |
putchar('\n'); |
592 |
|
} |
593 |
|
|
594 |
|
|