| 1 |
< |
/* Copyright (c) 1994 Regents of the University of California */ |
| 1 |
> |
/* Copyright (c) 1996 Regents of the University of California */ |
| 2 |
|
|
| 3 |
|
#ifndef lint |
| 4 |
|
static char SCCSid[] = "$SunId$ LBL"; |
| 23 |
|
|
| 24 |
|
double emult = 1.; /* emitter multiplier */ |
| 25 |
|
|
| 26 |
< |
FILE *matfp = stdout; /* material output file */ |
| 26 |
> |
FILE *matfp; /* material output file */ |
| 27 |
|
|
| 28 |
|
int r_comment(), r_cone(), r_cyl(), r_face(), r_ies(), r_ring(), r_sph(); |
| 29 |
|
char *material(), *object(), *addarg(); |
| 33 |
|
int argc; |
| 34 |
|
char *argv[]; |
| 35 |
|
{ |
| 36 |
< |
int i, rv; |
| 36 |
> |
int i; |
| 37 |
> |
|
| 38 |
> |
matfp = stdout; |
| 39 |
> |
/* print out parser version */ |
| 40 |
> |
printf("## Translated from MGF Version %d.%d\n", MG_VMAJOR, MG_VMINOR); |
| 41 |
|
/* initialize dispatch table */ |
| 42 |
|
mg_ehand[MG_E_COMMENT] = r_comment; /* we pass comments */ |
| 43 |
|
mg_ehand[MG_E_COLOR] = c_hcolor; /* they get color */ |
| 96 |
|
} |
| 97 |
|
putchar('\n'); |
| 98 |
|
if (i == argc) { /* convert stdin */ |
| 99 |
< |
if ((rv = mg_load(NULL)) != MG_OK) |
| 99 |
> |
if (mg_load(NULL) != MG_OK) |
| 100 |
|
exit(1); |
| 101 |
+ |
if (mg_nunknown) |
| 102 |
+ |
printf("## %s: %u unknown entities\n", |
| 103 |
+ |
argv[0], mg_nunknown); |
| 104 |
|
} else /* convert each file */ |
| 105 |
|
for ( ; i < argc; i++) { |
| 106 |
|
printf("## %s %s ##############################\n", |
| 107 |
|
argv[0], argv[i]); |
| 108 |
< |
if ((rv = mg_load(argv[i])) != MG_OK) |
| 108 |
> |
if (mg_load(argv[i]) != MG_OK) |
| 109 |
|
exit(1); |
| 110 |
+ |
if (mg_nunknown) { |
| 111 |
+ |
printf("## %s %s: %u unknown entities\n", |
| 112 |
+ |
argv[0], argv[i], mg_nunknown); |
| 113 |
+ |
mg_nunknown = 0; |
| 114 |
+ |
} |
| 115 |
|
} |
| 116 |
|
exit(0); |
| 117 |
|
userr: |
| 309 |
|
if ((mat = material()) == NULL) /* get material */ |
| 310 |
|
return(MG_EBADMAT); |
| 311 |
|
if (ac <= 5) { /* check for smoothing */ |
| 312 |
+ |
C_VERTEX *cva[5]; |
| 313 |
|
for (i = 1; i < ac; i++) { |
| 314 |
< |
if ((cv = c_getvert(av[i])) == NULL) |
| 314 |
> |
if ((cva[i-1] = c_getvert(av[i])) == NULL) |
| 315 |
|
return(MG_EUNDEF); |
| 316 |
< |
if (is0vect(cv->n)) |
| 316 |
> |
if (is0vect(cva[i-1]->n)) |
| 317 |
|
break; |
| 318 |
|
} |
| 319 |
< |
if (i == ac) { /* break into triangles */ |
| 320 |
< |
do_tri(mat, av[1], av[2], av[3]); |
| 319 |
> |
if (i == ac) { |
| 320 |
> |
i = flat_tri(cva[0]->p, cva[1]->p, cva[2]->p, |
| 321 |
> |
cva[0]->n, cva[1]->n, cva[2]->n); |
| 322 |
> |
if (i < 0) |
| 323 |
> |
return(MG_OK); /* degenerate (error?) */ |
| 324 |
> |
} |
| 325 |
> |
if (!i) { /* smoothed triangles */ |
| 326 |
> |
do_tri(mat, cva[0], cva[1], cva[2]); |
| 327 |
|
if (ac == 5) |
| 328 |
< |
do_tri(mat, av[3], av[4], av[1]); |
| 328 |
> |
do_tri(mat, cva[2], cva[3], cva[0]); |
| 329 |
|
return(MG_OK); |
| 330 |
|
} |
| 331 |
|
} |
| 357 |
|
if (ac < 2) |
| 358 |
|
return(MG_EARGC); |
| 359 |
|
/* construct output file name */ |
| 360 |
< |
if ((op = strrchr(av[1], '/')) == NULL) |
| 360 |
> |
if ((op = strrchr(av[1], '/')) != NULL) |
| 361 |
> |
op++; |
| 362 |
> |
else |
| 363 |
|
op = av[1]; |
| 364 |
|
(void)strcpy(fname, op); |
| 365 |
|
if ((op = strrchr(fname, '.')) == NULL) |
| 407 |
|
} |
| 408 |
|
|
| 409 |
|
|
| 410 |
< |
do_tri(mat, vn1, vn2, vn3) /* put out smoothed triangle */ |
| 411 |
< |
char *mat, *vn1, *vn2, *vn3; |
| 410 |
> |
do_tri(mat, cv1, cv2, cv3) /* put out smoothed triangle */ |
| 411 |
> |
char *mat; |
| 412 |
> |
C_VERTEX *cv1, *cv2, *cv3; |
| 413 |
|
{ |
| 414 |
|
static int ntris; |
| 415 |
|
BARYCCM bvecs; |
| 416 |
|
FLOAT bcoor[3][3]; |
| 417 |
< |
C_VERTEX *cv1, *cv2, *cv3; |
| 417 |
> |
C_VERTEX *cvt; |
| 418 |
|
FVECT v1, v2, v3; |
| 419 |
|
FVECT n1, n2, n3; |
| 420 |
|
register int i; |
| 421 |
< |
/* the following is repeat code, so assume it's OK */ |
| 422 |
< |
cv2 = c_getvert(vn2); |
| 423 |
< |
if (invert) { |
| 424 |
< |
cv3 = c_getvert(vn1); |
| 425 |
< |
cv1 = c_getvert(vn3); |
| 404 |
< |
} else { |
| 405 |
< |
cv1 = c_getvert(vn1); |
| 406 |
< |
cv3 = c_getvert(vn3); |
| 421 |
> |
|
| 422 |
> |
if (invert) { /* swap vertex order if inverted */ |
| 423 |
> |
cvt = cv1; |
| 424 |
> |
cv1 = cv3; |
| 425 |
> |
cv3 = cvt; |
| 426 |
|
} |
| 427 |
|
xf_xfmpoint(v1, cv1->p); |
| 428 |
|
xf_xfmpoint(v2, cv2->p); |
| 548 |
|
return(mname); |
| 549 |
|
} |
| 550 |
|
/* check for plastic */ |
| 551 |
< |
if (c_cmaterial->rs < .1 && (c_cmaterial->rs < .01 || |
| 533 |
< |
c_isgrey(&c_cmaterial->rs_c))) { |
| 551 |
> |
if (c_cmaterial->rs < .1) { |
| 552 |
|
cvtcolor(radrgb, &c_cmaterial->rd_c, |
| 553 |
|
c_cmaterial->rd/(1.-c_cmaterial->rs)); |
| 554 |
|
fprintf(matfp, "\nvoid plastic %s\n0\n0\n", mname); |
