public static void RegisterDelegate(DynamicMethodDefinition dynamicMethod, string delegateFullName)
        {
            MethodBase method = dynamicMethod.Generate();

            switch (method.Name)
            {
            case "UseItemEffect":
                UseItemEffect.TryAdd(delegateFullName, (Action <Player, Rectangle>)method.CreateDelegate <Action <Player, Rectangle> >());
                break;
            }
        }