[Bf-blender-cvs] SVN commit: /data/svn/bf-blender [43382] trunk/blender/source/blender/ editors/sculpt_paint/paint_vertex.c: fix for weight paint when the mirror vertex was allocated ( would free the original verts weight).

[Campbell Barton]

Revision: 43382
          http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=43382
Author:   campbellbarton
Date:     2012-01-14 18:52:34 +0000 (Sat, 14 Jan 2012)
Log Message:
-----------
fix for weight paint when the mirror vertex was allocated (would free the original verts weight).

was an error in own recent commit.

Modified Paths:
--------------
    trunk/blender/source/blender/editors/sculpt_paint/paint_vertex.c

Modified: trunk/blender/source/blender/editors/sculpt_paint/paint_vertex.c
===================================================================
--- trunk/blender/source/blender/editors/sculpt_paint/paint_vertex.c	2012-01-14 18:11:45 UTC (rev 43381)
+++ trunk/blender/source/blender/editors/sculpt_paint/paint_vertex.c	2012-01-14 18:52:34 UTC (rev 43382)
@@ -1655,7 +1655,20 @@
 			}
 		}
 		else {
-			dw_mirr = defvert_verify_index(dv_mirr, vgroup_mirr);
+			if (index != index_mirr) {
+				dw_mirr = defvert_verify_index(dv_mirr, vgroup_mirr);
+			}
+			else {
+				/* dv and dv_mirr are the same */
+				int totweight_prev = dv_mirr->totweight;
+				int dw_offset = (int)(dw - dv_mirr->dw);
+				dw_mirr = defvert_verify_index(dv_mirr, vgroup_mirr);
+
+				/* if we added another, get our old one back */
+				if (totweight_prev != dv_mirr->totweight) {
+					dw = &dv_mirr->dw[dw_offset];
+				}
+			}
 		}
 	}
 	else {