bmesh utility functions BM_face_as_array_loop_tri, BM_face_as_array_loop_quad

also set attributes for the header and remove debug print in mask.c

1 files changed, 34 insertions, 0 deletions

diff --git a/source/blender/bmesh/intern/bmesh_polygon.c b/source/blender/bmesh/intern/bmesh_polygon.c
index 8765bc7d579..a82d3d07712 100644
--- a/source/blender/bmesh/intern/bmesh_polygon.c
+++ b/source/blender/bmesh/intern/bmesh_polygon.c
@@ -1203,3 +1203,37 @@ void BM_face_as_array_vert_quad(BMFace *f, BMVert *r_verts[4])
 	r_verts[2] = l->v; l = l->next;
 	r_verts[3] = l->v;
 }
+
+
+/**
+ * Small utility functions for fast access
+ *
+ * faster alternative to:
+ *  BM_iter_as_array(bm, BM_LOOPS_OF_FACE, f, (void **)l, 3);
+ */
+void BM_face_as_array_loop_tri(BMFace *f, BMLoop *r_loops[3])
+{
+	BMLoop *l = BM_FACE_FIRST_LOOP(f);
+
+	BLI_assert(f->len == 3);
+
+	r_loops[0] = l; l = l->next;
+	r_loops[1] = l; l = l->next;
+	r_loops[2] = l;
+}
+
+/**
+ * faster alternative to:
+ *  BM_iter_as_array(bm, BM_LOOPS_OF_FACE, f, (void **)l, 4);
+ */
+void BM_face_as_array_loop_quad(BMFace *f, BMLoop *r_loops[4])
+{
+	BMLoop *l = BM_FACE_FIRST_LOOP(f);
+
+	BLI_assert(f->len == 4);
+
+	r_loops[0] = l; l = l->next;
+	r_loops[1] = l; l = l->next;
+	r_loops[2] = l; l = l->next;
+	r_loops[3] = l;
+}