- added DerivedMesh.drawUVEdges function & implementations

 - removed DerivedMesh.drawLooseEdges and replaced with much more
   general drawEdgesFlag function that draws based edge flags.
 - switch DerivedMesh.drawFacesTex to give user control over which
   faces are drawn
 - added object_uvs_changed and object_tface_flags_changed functions
   to do object recalc flag flush/redraw queueing and added calls
   in appropriate places
 - added various edge flags to mark TFace information. This is used
   by the drawEdgesFlag routine and was the best way I could come
   up with to deal with drawing TFace information from modifier stack.
   Unfortunate side effects are (1) uses a lot of MEdge flags (although
   not needed in file so thats fine) and (2) requires recalculation
   of modifier stack on UV selection changes. #2 is disappointing
   but I could not find a better solution.
 - update UV mesh shadow drawing to use modifier result. At the moment
   just uses the final result but probably should be integrated with
   the editmode cage option.
 - convert draw_tfaces3D to use drawEdgesFlag routine which cleaned
   up the code quite a bit.
 - convert draw_tface_mesh to draw using result of modifier stack.
   Same comment about which result actually gets draw in FACESELECT
   mode as for UV editor shadow drawing applies.

There is a still a bug in that selection is using the wrong
mesh to draw.

1 files changed, 11 insertions, 5 deletions

diff --git a/source/blender/makesdna/DNA_meshdata_types.h b/source/blender/makesdna/DNA_meshdata_types.h
index 83111e87aa9..76dc57cd70d 100644
--- a/source/blender/makesdna/DNA_meshdata_types.h
+++ b/source/blender/makesdna/DNA_meshdata_types.h
@@ -77,12 +77,18 @@ typedef struct MSticky {
 #define ME_HIDE			16
 
 /* medge->flag (1=SELECT)*/
-#define ME_EDGEDRAW		2
-#define ME_SEAM         4
-#define ME_FGON			8
+#define ME_EDGEDRAW			(1<<1)
+#define ME_SEAM				(1<<2)
+#define ME_FGON				(1<<3)
 						// reserve 16 for ME_HIDE
-#define ME_EDGERENDER	32
-#define ME_LOOSEEDGE	64
+#define ME_EDGERENDER		(1<<5)
+#define ME_EDGEMAPPED		(1<<6)
+#define ME_LOOSEEDGE		(1<<7)
+#define ME_EDGE_TFSEL		(1<<8)
+#define ME_EDGE_TFACT		(1<<9)
+#define ME_EDGE_TFVISIBLE	(1<<10)
+#define ME_EDGE_TFACTFIRST	(1<<11)
+#define ME_EDGE_TFACTLAST	(1<<12)
 
 /* puno = vertexnormal (mface) */
 #define ME_FLIPV1		1