add support for ripping off a single face from a single vertex when the vertex has 3 surrounding verts & faces.

2 files changed, 9 insertions, 0 deletions

diff --git a/source/blender/bmesh/intern/bmesh_queries.c b/source/blender/bmesh/intern/bmesh_queries.c
index d850eb34477..4f09a17b6ce 100644
--- a/source/blender/bmesh/intern/bmesh_queries.c
+++ b/source/blender/bmesh/intern/bmesh_queries.c
@@ -298,6 +298,14 @@ int BM_edge_in_face(BMFace *f, BMEdge *e)
 }
 
 /**
+ * Returns whether or not a given edge is is part of a given loop.
+ */
+int BM_edge_in_loop(BMEdge *e, BMLoop *l)
+{
+	return (l->e == e || l->prev->e == e);
+}
+
+/**
  * Returns whether or not two vertices are in
  * a given edge
  */
diff --git a/source/blender/bmesh/intern/bmesh_queries.h b/source/blender/bmesh/intern/bmesh_queries.h
index 36ffc296759..6cffc1138b0 100644
--- a/source/blender/bmesh/intern/bmesh_queries.h
+++ b/source/blender/bmesh/intern/bmesh_queries.h
@@ -31,6 +31,7 @@ int     BM_vert_in_face(BMFace *f, BMVert *v);
 int     BM_verts_in_face(BMesh *bm, BMFace *f, BMVert **varr, int len);
 
 int     BM_edge_in_face(BMFace *f, BMEdge *e);
+int     BM_edge_in_loop(BMEdge *e, BMLoop *l);
 
 int     BM_vert_in_edge(BMEdge *e, BMVert *v);
 int     BM_verts_in_edge(BMVert *v1, BMVert *v2, BMEdge *e);