diff options
Diffstat (limited to 'source/blender/blenkernel/intern/editmesh.c')
| -rw-r--r-- | source/blender/blenkernel/intern/editmesh.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/editmesh.c b/source/blender/blenkernel/intern/editmesh.c index b63ab276b14..7d66d25c58a 100644 --- a/source/blender/blenkernel/intern/editmesh.c +++ b/source/blender/blenkernel/intern/editmesh.c @@ -246,3 +246,26 @@ float (*BKE_editmesh_vertexCos_get_orco(BMEditMesh *em, int *r_numVerts))[3] return orco; } + +void BKE_editmesh_lnorspace_update(BMEditMesh *em) +{ + BMesh *bm = em->bm; + + /* We need to create clnors data if none exist yet, otherwise there is no way to edit them. + * Similar code to MESH_OT_customdata_custom_splitnormals_add operator, we want to keep same shading + * in case we were using autosmooth so far... + * Note: there is a problem here, which is that if someone starts a normal editing operation on previously + * autosmooth-ed mesh, and cancel that operation, generated clnors data remain, with related sharp edges + * (and hence autosmooth is 'lost'). + * Not sure how critical this is, and how to fix that issue? */ + if (!CustomData_has_layer(&bm->ldata, CD_CUSTOMLOOPNORMAL)) { + Mesh *me = em->ob->data; + if (me->flag & ME_AUTOSMOOTH) { + BM_edges_sharp_from_angle_set(bm, me->smoothresh); + + me->drawflag |= ME_DRAWSHARP; + } + } + + BM_lnorspace_update(bm); +} |