From aaad394b7f834145cc2537ead8fbdfb9640963bf Mon Sep 17 00:00:00 2001
From: Antony Riakiotakis <kalast@gmail.com>
Date: Mon, 21 Jan 2013 00:39:54 +0000
Subject: Fix #33939, if initialization of vert slide failed, code did not
 handle the case well.

---
 source/blender/editors/transform/transform.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'source/blender/editors/transform')

diff --git a/source/blender/editors/transform/transform.c b/source/blender/editors/transform/transform.c
index 5672cfe96d6..48184355382 100644
--- a/source/blender/editors/transform/transform.c
+++ b/source/blender/editors/transform/transform.c
@@ -907,6 +907,13 @@ int transformEvent(TransInfo *t, wmEvent *event)
 								t->state = TRANS_STARTING;
 								initVertSlide(t);
 							}
+							/* vert slide can fail on unconnected vertices (rare but possible) */
+							if(t->state == TRANS_CANCEL) {
+								t->state = TRANS_STARTING;
+								resetTransRestrictions(t);
+								restoreTransObjects(t);
+								initTranslation(t);
+							}
 							initSnapping(t, NULL); // need to reinit after mode change
 							t->redraw |= TREDRAW_HARD;
 							WM_event_add_mousemove(t->context);
-- 
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