From f3f869e99a585554c52fcac1577108a5b3f5a052 Mon Sep 17 00:00:00 2001
From: scrawl <scrawl@baseoftrash.de>
Date: Sun, 7 Sep 2014 23:47:57 +0200
Subject: [PATCH] Don't produce NaN's for 0-length controllers in
 NifOgre::DefaultFunction

---
 components/nifogre/controller.hpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/components/nifogre/controller.hpp b/components/nifogre/controller.hpp
index aa60482e3c..cc750ea65e 100644
--- a/components/nifogre/controller.hpp
+++ b/components/nifogre/controller.hpp
@@ -89,6 +89,9 @@ namespace NifOgre
         {
             if(mDeltaInput)
             {
+                if (mStopTime - mStartTime == 0.f)
+                    return 0.f;
+
                 mDeltaCount += value*mFrequency;
                 if(mDeltaCount < mStartTime)
                     mDeltaCount = mStopTime - std::fmod(mStartTime - mDeltaCount,