1 files changed, 41 insertions, 0 deletions
diff --git a/source/blender/bmesh/operators/subdivideop.h b/source/blender/bmesh/operators/subdivideop.h
new file mode 100644
index 00000000000..1df864e0d36
--- /dev/null
+++ b/source/blender/bmesh/operators/subdivideop.h
@@ -0,0 +1,41 @@
+#ifndef _SUBDIVIDEOP_H
+#define _SUBDIVIDEOP_H
+
+typedef struct subdparams {
+	int numcuts;
+	float smooth;
+	float fractal;
+	int beauty;
+	int seed;
+	int origkey; /*shapekey holding displaced vertex coordinates for current geometry*/
+	BMOperator *op;
+	float off[3];
+} subdparams;
+
+typedef void (*subd_pattern_fill_fp)(BMesh *bm, BMFace *face, BMVert **verts, 
+                                     const subdparams *params);
+
+/*
+note: this is a pattern-based edge subdivider.
+it tries to match a pattern to edge selections on faces,
+then executes functions to cut them.
+*/
+typedef struct subdpattern {
+	int seledges[20]; //selected edges mask, for splitting
+
+	/*verts starts at the first new vert cut, not the first vert in the
+	  face*/
+	subd_pattern_fill_fp connectexec;
+	int len; /*total number of verts, before any subdivision*/
+} subdpattern;
+
+/*generic subdivision rules:
+  
+  * two selected edges in a face should make a link
+    between them.
+
+  * one edge should do, what? make pretty topology, or just
+    split the edge only?
+*/
+
+#endif /* _SUBDIVIDEOP_H */