BB.UserLevelClear.WorldAndLevel.Next C# (CSharp) Method

            public WorldAndLevel? Next()
            {
                if (Level != Const.LevelMax)
                    return new WorldAndLevel(World, Level + 1);
                if (World != Const.WorldMax)
                    return new WorldAndLevel(World + 1, (Level)1);
                return null;
            }