From c50533659a9c7627cd6b24820078192b18c662f0 Mon Sep 17 00:00:00 2001
From: Justin Clark-Casey (justincc)
Date: Tue, 19 Jul 2011 06:11:16 +0100
Subject: If we store an undo, wipe anything already present on the redo stack

This stops problems when we undo a few steps and start off down another path.
Surprisingly, apart from this now fixed problem, redo appears to be working too.
---
 OpenSim/Region/Framework/Scenes/SceneObjectPart.cs | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'OpenSim/Region/Framework')

diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
index ccf8a25..e8097fa 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectPart.cs
@@ -3705,6 +3705,9 @@ namespace OpenSim.Region.Framework.Scenes
 
                                 m_undo.Push(nUndo);
 
+                                if (m_redo.Count > 0)
+                                    m_redo.Clear();
+
 //                                m_log.DebugFormat(
 //                                    "[SCENE OBJECT PART]: Stored undo state for {0} {1}, forGroup {2}, stack size now {3}",
 //                                    Name, LocalId, forGroup, m_undo.Count);
-- 
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