29 |
|
int nvs; /* number of vertices in our list */ |
30 |
|
FVECT *vnlist; /* vertex normal list */ |
31 |
|
int nvns; |
32 |
< |
FLOAT (*vtlist)[2]; /* map vertex list */ |
32 |
> |
RREAL (*vtlist)[2]; /* map vertex list */ |
33 |
|
int nvts; |
34 |
|
|
35 |
|
typedef int VNDX[3]; /* vertex index (point,map,normal) */ |
470 |
|
register char **av; |
471 |
|
{ |
472 |
|
VNDX vi; |
473 |
< |
FLOAT *p0, *p1; |
473 |
> |
RREAL *p0, *p1; |
474 |
|
FVECT v1, v2, nsum, newn; |
475 |
|
double d; |
476 |
|
register int i; |
555 |
|
char *mod; |
556 |
|
VNDX v1i, v2i, v3i; |
557 |
|
BARYCCM bvecs; |
558 |
< |
FLOAT bcoor[3][3]; |
558 |
> |
RREAL bcoor[3][3]; |
559 |
|
int texOK, patOK; |
560 |
+ |
int flatness; |
561 |
|
register int i; |
562 |
|
|
563 |
|
if ((mod = getmtl()) == NULL) |
566 |
|
if (!cvtndx(v1i, v1) || !cvtndx(v2i, v2) || !cvtndx(v3i, v3)) |
567 |
|
return(0); |
568 |
|
/* compute barycentric coordinates */ |
569 |
< |
if (!flatten && v1i[2]>=0 && v2i[2]>=0 && v3i[2]>=0) |
570 |
< |
switch (flat_tri(vlist[v1i[0]], vlist[v2i[0]], vlist[v3i[0]], |
571 |
< |
vnlist[v1i[2]], vnlist[v2i[2]], vnlist[v3i[2]])) { |
571 |
< |
case DEGEN: /* zero area */ |
572 |
< |
return(-1); |
573 |
< |
case RVFLAT: /* reversed normals, but flat */ |
574 |
< |
case ISFLAT: /* smoothing unnecessary */ |
575 |
< |
texOK = 0; |
576 |
< |
break; |
577 |
< |
case RVBENT: /* reversed normals with smoothing */ |
578 |
< |
case ISBENT: /* proper smoothing */ |
579 |
< |
texOK = 1; |
580 |
< |
break; |
581 |
< |
} |
569 |
> |
if (v1i[2]>=0 && v2i[2]>=0 && v3i[2]>=0) |
570 |
> |
flatness = flat_tri(vlist[v1i[0]], vlist[v2i[0]], vlist[v3i[0]], |
571 |
> |
vnlist[v1i[2]], vnlist[v2i[2]], vnlist[v3i[2]]); |
572 |
|
else |
573 |
+ |
flatness = ISFLAT; |
574 |
+ |
|
575 |
+ |
switch (flatness) { |
576 |
+ |
case DEGEN: /* zero area */ |
577 |
+ |
return(-1); |
578 |
+ |
case RVFLAT: /* reversed normals, but flat */ |
579 |
+ |
case ISFLAT: /* smoothing unnecessary */ |
580 |
|
texOK = 0; |
581 |
+ |
break; |
582 |
+ |
case RVBENT: /* reversed normals with smoothing */ |
583 |
+ |
case ISBENT: /* proper smoothing */ |
584 |
+ |
texOK = 1; |
585 |
+ |
break; |
586 |
+ |
} |
587 |
+ |
if (flatten) |
588 |
+ |
texOK = 0; |
589 |
|
#ifdef TEXMAPS |
590 |
|
patOK = mapname[0] && (v1i[1]>=0 && v2i[1]>=0 && v3i[1]>=0); |
591 |
|
#else |
623 |
|
put_baryc(&bvecs, bcoor, 2); |
624 |
|
} |
625 |
|
#endif |
626 |
< |
/* put out triangle */ |
626 |
> |
/* put out (reversed) triangle */ |
627 |
|
printf("\n%s polygon %s.%d\n", mod, getonm(), faceno); |
628 |
|
printf("0\n0\n9\n"); |
629 |
< |
pvect(vlist[v1i[0]]); |
630 |
< |
pvect(vlist[v2i[0]]); |
631 |
< |
pvect(vlist[v3i[0]]); |
632 |
< |
|
629 |
> |
if (flatness == RVFLAT || flatness == RVBENT) { |
630 |
> |
pvect(vlist[v3i[0]]); |
631 |
> |
pvect(vlist[v2i[0]]); |
632 |
> |
pvect(vlist[v1i[0]]); |
633 |
> |
} else { |
634 |
> |
pvect(vlist[v1i[0]]); |
635 |
> |
pvect(vlist[v2i[0]]); |
636 |
> |
pvect(vlist[v3i[0]]); |
637 |
> |
} |
638 |
|
return(1); |
639 |
|
} |
640 |
|
|
664 |
|
if (nvs == 0) |
665 |
|
vlist = (FVECT *)malloc(CHUNKSIZ*sizeof(FVECT)); |
666 |
|
else |
667 |
< |
vlist = (FVECT *)realloc((char *)vlist, |
667 |
> |
vlist = (FVECT *)realloc((void *)vlist, |
668 |
|
(nvs+CHUNKSIZ)*sizeof(FVECT)); |
669 |
|
if (vlist == NULL) { |
670 |
|
fprintf(stderr, |
688 |
|
if (nvns == 0) |
689 |
|
vnlist = (FVECT *)malloc(CHUNKSIZ*sizeof(FVECT)); |
690 |
|
else |
691 |
< |
vnlist = (FVECT *)realloc((char *)vnlist, |
691 |
> |
vnlist = (FVECT *)realloc((void *)vnlist, |
692 |
|
(nvns+CHUNKSIZ)*sizeof(FVECT)); |
693 |
|
if (vnlist == NULL) { |
694 |
|
fprintf(stderr, |
712 |
|
{ |
713 |
|
if (!(nvts%CHUNKSIZ)) { /* allocate next block */ |
714 |
|
if (nvts == 0) |
715 |
< |
vtlist = (FLOAT (*)[2])malloc(CHUNKSIZ*2*sizeof(FLOAT)); |
715 |
> |
vtlist = (RREAL (*)[2])malloc(CHUNKSIZ*2*sizeof(RREAL)); |
716 |
|
else |
717 |
< |
vtlist = (FLOAT (*)[2])realloc((char *)vtlist, |
718 |
< |
(nvts+CHUNKSIZ)*2*sizeof(FLOAT)); |
717 |
> |
vtlist = (RREAL (*)[2])realloc((void *)vtlist, |
718 |
> |
(nvts+CHUNKSIZ)*2*sizeof(RREAL)); |
719 |
|
if (vtlist == NULL) { |
720 |
|
fprintf(stderr, |
721 |
|
"Out of memory while allocating texture vertex %d\n", |