- added DerivedMesh.drawMapped{VertNormals,FaceNormals,FaceCenters}EM

   functions and implementation for EditmeshDerivedMesh
 - switch drawobject to drawing normals/centers through the DerivedMesh
 - added G_DRAW_VNORMALS flag and button, implementation is not yet complete
   because editmesh normals are not updated regularly
 - switch editmesh draw buttons to use uiDefButBit (can't we get some
   monkey to convert all of the uiDefBut calls with TOG|BIT type? It
   makes grepping the source much nicer)

1 files changed, 15 insertions, 0 deletions

diff --git a/source/blender/blenkernel/BKE_DerivedMesh.h b/source/blender/blenkernel/BKE_DerivedMesh.h
index 080c21c5d5e..e1e2b1e9681 100644
--- a/source/blender/blenkernel/BKE_DerivedMesh.h
+++ b/source/blender/blenkernel/BKE_DerivedMesh.h
@@ -153,6 +153,21 @@ struct DerivedMesh {
 			 */
 	void (*drawMappedFacesEM)(DerivedMesh *dm, int (*setDrawOptions)(void *userData, struct EditFace *efa), void *userData);
 
+			/* Draw vert normals
+			 *  o Only if !setDrawOptions or setDrawOptions(userData, mapped-vert) returns true
+			 */
+	 void (*drawMappedVertNormalsEM)(DerivedMesh *dm, float length, int (*setDrawOptions)(void *userData, struct EditVert *eve), void *userData);
+
+			/* Draw face normals
+			 *  o Only if !setDrawOptions or setDrawOptions(userData, mapped-face) returns true
+			 */
+	void (*drawMappedFaceNormalsEM)(DerivedMesh *dm, float length, int (*setDrawOptions)(void *userData, struct EditFace *efa), void *userData);
+
+			/* Draw face centers as bgl points
+			 *  o Only if !setDrawOptions or setDrawOptions(userData, mapped-face) returns true
+			 */
+	void (*drawMappedFaceCentersEM)(DerivedMesh *dm, int (*setDrawOptions)(void *userData, struct EditFace *efa), void *userData);
+
 	void (*release)(DerivedMesh *dm);
 };