diff options
-rw-r--r-- | source/blender/bmesh/intern/bmesh_query.c | 16 | ||||
-rw-r--r-- | source/blender/bmesh/intern/bmesh_query.h | 2 | ||||
-rw-r--r-- | source/blender/editors/mesh/editmesh_select.c | 19 |
3 files changed, 31 insertions, 6 deletions
diff --git a/source/blender/bmesh/intern/bmesh_query.c b/source/blender/bmesh/intern/bmesh_query.c index e3b6e243906..64950411fed 100644 --- a/source/blender/bmesh/intern/bmesh_query.c +++ b/source/blender/bmesh/intern/bmesh_query.c @@ -2431,6 +2431,22 @@ bool BM_edge_is_all_face_flag_test(const BMEdge *e, const char hflag, const bool return true; } +bool BM_edge_is_any_face_flag_test(const BMEdge *e, const char hflag) +{ + if (e->l) { + BMLoop *l_iter, *l_first; + + l_iter = l_first = e->l; + do { + if (BM_elem_flag_test(l_iter->f, hflag)) { + return true; + } + } while ((l_iter = l_iter->radial_next) != l_first); + } + + return false; +} + /* convenience functions for checking flags */ bool BM_edge_is_any_vert_flag_test(const BMEdge *e, const char hflag) { diff --git a/source/blender/bmesh/intern/bmesh_query.h b/source/blender/bmesh/intern/bmesh_query.h index fb646b11076..aaf8191c5db 100644 --- a/source/blender/bmesh/intern/bmesh_query.h +++ b/source/blender/bmesh/intern/bmesh_query.h @@ -226,6 +226,8 @@ bool BM_edge_is_all_face_flag_test(const BMEdge *e, bool BM_edge_is_any_vert_flag_test(const BMEdge *e, const char hflag) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(); +bool BM_edge_is_any_face_flag_test(const BMEdge *e, const char hflag) ATTR_WARN_UNUSED_RESULT + ATTR_NONNULL(); bool BM_face_is_any_vert_flag_test(const BMFace *f, const char hflag) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(); bool BM_face_is_any_edge_flag_test(const BMFace *f, const char hflag) ATTR_WARN_UNUSED_RESULT diff --git a/source/blender/editors/mesh/editmesh_select.c b/source/blender/editors/mesh/editmesh_select.c index f01511fa513..3847f32b19a 100644 --- a/source/blender/editors/mesh/editmesh_select.c +++ b/source/blender/editors/mesh/editmesh_select.c @@ -3201,8 +3201,12 @@ static int edbm_select_linked_exec(bContext *C, wmOperator *op) BMEdge *e; BM_ITER_MESH (e, &iter, em->bm, BM_EDGES_OF_MESH) { if (!BMO_edge_flag_test(bm, e, BMO_ELE_TAG)) { - BM_elem_flag_disable(e->v1, BM_ELEM_TAG); - BM_elem_flag_disable(e->v2, BM_ELEM_TAG); + /* Check the edge for selected faces, + * this supports stepping off isolated vertices which would otherwise be ignored. */ + if (BM_edge_is_any_face_flag_test(e, BM_ELEM_SELECT)) { + BM_elem_flag_disable(e->v1, BM_ELEM_TAG); + BM_elem_flag_disable(e->v2, BM_ELEM_TAG); + } } } } @@ -3258,10 +3262,13 @@ static int edbm_select_linked_exec(bContext *C, wmOperator *op) if (delimit) { BM_ITER_MESH (e, &iter, em->bm, BM_EDGES_OF_MESH) { - BM_elem_flag_set( - e, - BM_ELEM_TAG, - (BM_elem_flag_test(e, BM_ELEM_SELECT) && BMO_edge_flag_test(bm, e, BMO_ELE_TAG))); + /* Check the edge for selected faces, + * this supports stepping off isolated edges which would otherwise be ignored. */ + BM_elem_flag_set(e, + BM_ELEM_TAG, + (BM_elem_flag_test(e, BM_ELEM_SELECT) && + (BMO_edge_flag_test(bm, e, BMO_ELE_TAG) || + !BM_edge_is_any_face_flag_test(e, BM_ELEM_SELECT)))); } } else { |