From d0d481a0ab12173fd03c4b6151ee504e3e10b7da Mon Sep 17 00:00:00 2001
From: Justin Clarke Casey
Date: Tue, 7 Apr 2009 19:07:23 +0000
Subject: * Apply http://opensimulator.org/mantis/view.php?id=3418 * Prevents
 occasional wind module related exceptions on region server shutdown * Thanks
 Intimidated!

---
 .../CoreModules/World/Wind/Plugins/SimpleRandomWind.cs   | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

(limited to 'OpenSim/Region/CoreModules/World/Wind/Plugins/SimpleRandomWind.cs')

diff --git a/OpenSim/Region/CoreModules/World/Wind/Plugins/SimpleRandomWind.cs b/OpenSim/Region/CoreModules/World/Wind/Plugins/SimpleRandomWind.cs
index cdd5a2e..2c371da 100644
--- a/OpenSim/Region/CoreModules/World/Wind/Plugins/SimpleRandomWind.cs
+++ b/OpenSim/Region/CoreModules/World/Wind/Plugins/SimpleRandomWind.cs
@@ -82,14 +82,18 @@ namespace OpenSim.Region.CoreModules.World.Wind.Plugins
 
         public void WindUpdate(uint frame)
         {
-            for (int y = 0; y < 16; y++)
+            //Make sure our object is valid (we haven't been disposed of yet)
+            if (m_windSpeeds != null)
             {
-                for (int x = 0; x < 16; x++)
+                for (int y = 0; y < 16; y++)
                 {
-                    m_windSpeeds[y * 16 + x].X = (float)(m_rndnums.NextDouble() * 2d - 1d); // -1 to 1
-                    m_windSpeeds[y * 16 + x].Y = (float)(m_rndnums.NextDouble() * 2d - 1d); // -1 to 1
-                    m_windSpeeds[y * 16 + x].X *= m_strength;
-                    m_windSpeeds[y * 16 + x].Y *= m_strength;
+                    for (int x = 0; x < 16; x++)
+                    {
+                        m_windSpeeds[y * 16 + x].X = (float)(m_rndnums.NextDouble() * 2d - 1d); // -1 to 1
+                        m_windSpeeds[y * 16 + x].Y = (float)(m_rndnums.NextDouble() * 2d - 1d); // -1 to 1
+                        m_windSpeeds[y * 16 + x].X *= m_strength;
+                        m_windSpeeds[y * 16 + x].Y *= m_strength;
+                    }
                 }
             }            
         }
-- 
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