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fix for inset getting bad UV's/VCols at face boundaries.

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Campbell Barton
2012-11-23 05:49:00 +00:00
parent ef67ddeba9
commit 0446e2571f
1 changed files with 37 additions and 0 deletions
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37
source/blender/bmesh/operators/bmo_inset.c
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@@ -477,7 +477,44 @@ void bmo_inset_exec(BMesh *bm, BMOperator *op)
/* copy for loop data, otherwise UV's and vcols are no good.
* tiny speedup here we could be more clever and copy from known adjacent data
* also - we could attempt to interpolate the loop data, this would be much slower but more useful too */
#if 0
/* don't use this because face boundaries have no adjacent loops and won't be filled in.
* instead copy from the opposite side with the code below */
BM_face_copy_shared(bm, f);
#else
{
/* 2 inner loops on the edge between the new face and the original */
BMLoop *l_a;
BMLoop *l_b;
BMLoop *l_a_other;
BMLoop *l_b_other;
l_a = BM_FACE_FIRST_LOOP(f);
l_b = l_a->next;
/* we know this side has a radial_next because of the order of created verts in the quad */
l_a_other = BM_edge_other_loop(l_a->e, l_a);
l_b_other = BM_edge_other_loop(l_a->e, l_b);
BM_elem_attrs_copy(bm, bm, l_a_other, l_a);
BM_elem_attrs_copy(bm, bm, l_b_other, l_b);
/* step around to the opposite side of the quad - warning, this may have no other edges! */
l_a = l_a->next->next;
l_b = l_a->next;
if (!BM_edge_is_boundary(l_a->e)) {
/* same as above */
l_a_other = BM_edge_other_loop(l_a->e, l_a);
l_b_other = BM_edge_other_loop(l_a->e, l_b);
BM_elem_attrs_copy(bm, bm, l_a_other, l_a);
BM_elem_attrs_copy(bm, bm, l_b_other, l_b);
}
else { /* boundary edges have no useful data to copy from, use opposite side of face */
/* swap a<->b intentionally */
BM_elem_attrs_copy(bm, bm, l_a_other, l_b);
BM_elem_attrs_copy(bm, bm, l_b_other, l_a);
}
}
#endif
}
/* we could flag new edges/verts too, is it useful? */