diff options
author | Campbell Barton <ideasman42@gmail.com> | 2012-10-30 15:40:36 +0400 |
---|---|---|
committer | Campbell Barton <ideasman42@gmail.com> | 2012-10-30 15:40:36 +0400 |
commit | e09a1bc7cff068484ec43bb3383d4981e998c0cf (patch) | |
tree | f3acbab27f318a0e5ad9779c3996346f023c11fd /source/blender/blenkernel | |
parent | b4e484e21189e4b30b20439f41f6ba1c15bb7581 (diff) |
minor changes to select similar,
- replace ngon_fake_area() with generic call to BM_face_calc_area().
- add defvert_find_shared() utility function.
Diffstat (limited to 'source/blender/blenkernel')
-rw-r--r-- | source/blender/blenkernel/BKE_deform.h | 1 | ||||
-rw-r--r-- | source/blender/blenkernel/intern/deform.c | 20 |
2 files changed, 21 insertions, 0 deletions
diff --git a/source/blender/blenkernel/BKE_deform.h b/source/blender/blenkernel/BKE_deform.h index 52a143ddf55..8306da71432 100644 --- a/source/blender/blenkernel/BKE_deform.h +++ b/source/blender/blenkernel/BKE_deform.h @@ -54,6 +54,7 @@ struct MDeformWeight *defvert_verify_index(struct MDeformVert *dv, const int void defvert_add_index_notest(struct MDeformVert *dv, int defgroup, const float weight); void defvert_remove_group(struct MDeformVert *dvert, struct MDeformWeight *dw); void defvert_clear(struct MDeformVert *dvert); +int defvert_find_shared(const struct MDeformVert *dvert_a, const struct MDeformVert *dvert_b); float defvert_find_weight(const struct MDeformVert *dvert, const int defgroup); float defvert_array_find_weight_safe(const struct MDeformVert *dvert, const int index, const int defgroup); diff --git a/source/blender/blenkernel/intern/deform.c b/source/blender/blenkernel/intern/deform.c index 82938ed1d39..7c13ca388e0 100644 --- a/source/blender/blenkernel/intern/deform.c +++ b/source/blender/blenkernel/intern/deform.c @@ -790,3 +790,23 @@ void defvert_clear(MDeformVert *dvert) dvert->totweight = 0; } + +/** + * \return The first group index shared by both deform verts + * or -1 if none are found. + */ +int defvert_find_shared(const MDeformVert *dvert_a, const MDeformVert *dvert_b) +{ + if (dvert_a->totweight && dvert_b->totweight) { + MDeformWeight *dw = dvert_a->dw; + unsigned int i; + + for (i = dvert_a->totweight; i != 0; i--, dw++) { + if (dw->weight > 0.0f && defvert_find_weight(dvert_b, dw->def_nr) > 0.0f) { + return dw->def_nr; + } + } + } + + return -1; +} |