| 10 |
|
#include "cvmesh.h" |
| 11 |
|
#include "otypes.h" |
| 12 |
|
#include "face.h" |
| 13 |
+ |
#include "tmesh.h" |
| 14 |
|
|
| 15 |
|
/* |
| 16 |
|
* We need to divide faces into triangles and record auxiliary information |
| 170 |
|
OBJREC *fop; |
| 171 |
|
int j; |
| 172 |
|
|
| 173 |
< |
flags = MT_V; |
| 174 |
< |
if (vn1 != NULL && vn2 != NULL && vn3 != NULL) |
| 175 |
< |
flags |= MT_N; |
| 173 |
> |
flags = MT_V; /* check what we have */ |
| 174 |
> |
if (vn1 != NULL && vn2 != NULL && vn3 != NULL) { |
| 175 |
> |
RREAL *rp; |
| 176 |
> |
switch (flat_tri(vp1, vp2, vp3, vn1, vn2, vn3)) { |
| 177 |
> |
case ISBENT: |
| 178 |
> |
flags |= MT_N; |
| 179 |
> |
/* fall through */ |
| 180 |
> |
case ISFLAT: |
| 181 |
> |
break; |
| 182 |
> |
case RVBENT: |
| 183 |
> |
flags |= MT_N; |
| 184 |
> |
rp = vn1; vn1 = vn3; vn3 = rp; |
| 185 |
> |
/* fall through */ |
| 186 |
> |
case RVFLAT: |
| 187 |
> |
rp = vp1; vp1 = vp3; vp3 = rp; |
| 188 |
> |
rp = vc1; vc1 = vc3; vc3 = rp; |
| 189 |
> |
break; |
| 190 |
> |
case DEGEN: |
| 191 |
> |
error(WARNING, "degenerate triangle"); |
| 192 |
> |
return(0); |
| 193 |
> |
default: |
| 194 |
> |
error(INTERNAL, "bad return from flat_tri()"); |
| 195 |
> |
} |
| 196 |
> |
} |
| 197 |
|
if (vc1 != NULL && vc2 != NULL && vc3 != NULL) |
| 198 |
|
flags |= MT_UV; |
| 199 |
|
if (fobj == OVOID) { /* create new triangle object */ |
