Adding in all the old code.

PingPong.GameEngine/Engine.cs

@@ -0,0 +1,43 @@
+using System;
+using csmic;
+using PingPong.Generic;
+
+namespace PingPong.GameEngine
+{
+    public class Engine
+    {
+		/// <summary>
+		/// The input interpreter.
+		/// </summary>
+        private static Locked<Lazy<InputInterpreter>> inputInterpreter;
+		
+		#region Properties
+			
+		/// <summary>
+		/// Gets the expression parser.
+		/// </summary>
+		/// <value>
+		/// The expression parser.
+		/// </value>
+        public static InputInterpreter ExpressionParser
+        { 
+            get
+            {
+                return inputInterpreter.Value.Value;
+            }
+        }
+		
+		#endregion
+		
+        public Engine()
+        {
+			//
+        }
+		
+        static Engine()
+        {
+            inputInterpreter = new Locked<Lazy<InputInterpreter>>(new Lazy<InputInterpreter>(() => new InputInterpreter()));
+        }
+    }
+}
+