* Patch from Misterblue to fix Environment.TickCount for statistics purposes. Resolves the wrap-around of the 32 bit uint.

* Teravus moved the Environment methods to the Util class

OpenSim/Framework/Util.cs

@@ -1389,6 +1389,30 @@ namespace OpenSim.Framework
             return null;
         }
 
-        #endregion FireAndForget Threading Pattern
+        #endregion FireAndForget Threading Pattern
+        /// <summary>
+        /// Environment.TickCount is an int but it counts all 32 bits so it goes positive
+        /// and negative every 24.9 days. This trims down TickCount so it doesn't wrap
+        /// for the callers. 
+        /// This trims it to a 12 day interval so don't let your frame time get too long.
+        /// </summary>
+        /// <returns></returns>
+        public static Int32 EnvironmentTickCount()
+        {
+            return Environment.TickCount & EnvironmentTickCountMask;
+        }
+        const Int32 EnvironmentTickCountMask = 0x3fffffff;
+
+        /// <summary>
+        /// Environment.TickCount is an int but it counts all 32 bits so it goes positive
+        /// and negative every 24.9 days. Subtracts the passed value (previously fetched by
+        /// 'EnvironmentTickCount()') and accounts for any wrapping.
+        /// </summary>
+        /// <returns>subtraction of passed prevValue from current Environment.TickCount</returns>
+        public static Int32 EnvironmentTickCountSubtract(Int32 prevValue)
+        {
+            Int32 diff = EnvironmentTickCount() - prevValue;
+            return (diff >= 0) ? diff : (diff + EnvironmentTickCountMask + 1);
+        }
     }
 }