Added Base Project

Firebird2D.Requirement/Require.cs

@@ -0,0 +1,16 @@
+using Firebird2D.Logger;
+using System.Runtime.CompilerServices;
+
+namespace Firebird2D.Requirement
+{
+    public class Require
+    {
+        public static void NotNull(object input, string name, [CallerMemberName] string callerName = "", [CallerFilePath] string callerPath = "", [CallerLineNumber] int callerLineNumber = 0)
+        {
+            if (input == null) {
+                GameLogger.Log(callerName, LogType.Error, string.Format("{0}, was Null at Line {1} in {2} from {3}.", name, callerLineNumber, callerName, callerPath));
+                throw new ArgumentNullException(string.Format("{0}, was Null at Line {1} in {2} from {3}.", name, callerLineNumber, callerName, callerPath)); 
+            }
+        }
+    }
+}