Thanks jonc, for a patch that adds rendering of classic clouds.

First part of Mantis #964, the necessary clouds image will follow separately.

OpenSim/Region/Examples/SimpleModule/MyNpcCharacter.cs

@@ -439,6 +439,8 @@ namespace OpenSim.Region.Examples.SimpleModule
 
         public virtual void SendWindData(Vector2[] windSpeeds) { }
 
+        public virtual void SendCloudData(float[] cloudCover) { }
+
         public virtual void MoveAgentIntoRegion(RegionInfo regInfo, Vector3 pos, Vector3 look)
         {
         }