[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [41823] trunk/blender/source/blender/ editors/space_view3d/drawobject.c: Fix for #29241, ocean sim modifier crash when removing all vertices.

[Lukas Toenne]

Revision: 41823
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=41823
Author:   lukastoenne
Date:     2011-11-14 08:06:24 +0000 (Mon, 14 Nov 2011)
Log Message:
-----------
Fix for #29241, ocean sim modifier crash when removing all vertices.

The object draw method did not check for valid data when mapping back to original face, constructive modifier on empty mesh does that.

Modified Paths:
--------------
    trunk/blender/source/blender/editors/space_view3d/drawobject.c

Modified: trunk/blender/source/blender/editors/space_view3d/drawobject.c
===================================================================
--- trunk/blender/source/blender/editors/space_view3d/drawobject.c	2011-11-14 07:18:32 UTC (rev 41822)
+++ trunk/blender/source/blender/editors/space_view3d/drawobject.c	2011-11-14 08:06:24 UTC (rev 41823)
@@ -2696,7 +2696,8 @@
 {
 	EditFace *efa = EM_get_face_for_index(index);
 
-	if (efa->h==0) {
+	/* efa=0 for constructive modifier on empty mesh */
+	if (efa && efa->h==0) {
 		GPU_enable_material(efa->mat_nr+1, NULL);
 		return 1;
 	}