[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [45959] trunk/blender/source/blender/ blenkernel/intern/mesh_validate.c: mesh.validate() / BKE_mesh_validate() --- functions now check for duplicate vertices used within the same polygon .

[Campbell Barton]

Revision: 45959
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=45959
Author:   campbellbarton
Date:     2012-04-25 07:23:20 +0000 (Wed, 25 Apr 2012)
Log Message:
-----------
mesh.validate() / BKE_mesh_validate() --- functions now check for duplicate vertices used within the same polygon.
(which would crash otherwise)

Modified Paths:
--------------
    trunk/blender/source/blender/blenkernel/intern/mesh_validate.c

Modified: trunk/blender/source/blender/blenkernel/intern/mesh_validate.c
===================================================================
--- trunk/blender/source/blender/blenkernel/intern/mesh_validate.c	2012-04-25 06:28:45 UTC (rev 45958)
+++ trunk/blender/source/blender/blenkernel/intern/mesh_validate.c	2012-04-25 07:23:20 UTC (rev 45959)
@@ -240,9 +240,23 @@
 						PRINT("    loop %u has invalid vert reference (%u)\n", sp->loopstart + j, ml->v);
 						sp->invalid = TRUE;
 					}
+
+					mverts[ml->v].flag |= ME_VERT_TMP_TAG;
 					*v = ml->v;
 				}
 
+				/* is the same vertex used more then once */
+				if (!sp->invalid) {
+					v = sp->verts;
+					for (j = 0; j < mp->totloop; j++, v++) {
+						if ((mverts[*v].flag & ME_VERT_TMP_TAG) == 0) {
+							PRINT("    poly %u has duplicate vert reference at corner (%u)\n", i, j);
+							sp->invalid = TRUE;
+						}
+						mverts[*v].flag &= ~ME_VERT_TMP_TAG;
+					}
+				}
+
 				if (sp->invalid)
 					continue;