COD MW2/3 GPD Setting

    public class GPD_Setting
    {
        public XboxClasses.IO.IO IO;

        public System.String Magic = "SEMV";
        public System.Int32 Unknown = 1;
        public System.Int32 Unknown2 = 1;
        public System.Collections.Generic.List<Dvar> Dvars = new System.Collections.Generic.List<Dvar>();

        public GPD_Setting(XboxClasses.IO.IO _IO) { IO = _IO; }

        public void Read()
        {
            IO.Open(0);
            Magic = IO.Reader.ReadASCII(4);
            if (Magic != "SEMV")
            {
                throw new System.Exception("Invalid Setting magic: " + Magic);
            }
            Unknown = IO.Reader.ReadInt32();
            Unknown2 = IO.Reader.ReadInt32();

            Dvars.Clear();
            while (IO.Position < IO.Length)
            {
                Dvar Dvar = new Dvar();
                Dvar.Read(ref IO);

                Dvars.Add(Dvar);
            }
        }
        public void Write()
        {
            IO.Open(0);
            if (Magic != "SEMV")
            {
                throw new System.Exception("Invalid Setting magic: " + Magic);
            }
            IO.Writer.WriteASCII(Magic);
            IO.Writer.WriteInt32(Unknown);
            IO.Writer.WriteInt32(Unknown2);
            for (System.Int32 i = 0; i < Dvars.Count; i++)
            {
                Dvars[i].Write(ref IO);
            }
        }
    }
    public class Dvar
    {
        public System.Byte Index = 0;
        public DvarType Type = DvarType.Byte;
        public System.Byte[] data = new System.Byte[0];

        public void Read(ref XboxClasses.IO.IO IO)
        {
            Index = IO.Reader.ReadByte();
            Type = (DvarType)IO.Reader.ReadByte();
            if (Type == DvarType.Byte || Type == DvarType.SByte)
            {
                data = IO.Reader.ReadBytes(1);
            }
            else if (Type == DvarType.Int32 || Type == DvarType.UInt32 || Type == DvarType.Single)
            {
                data = IO.Reader.ReadBytes(4);
            }
            else if(Type == DvarType.String)
            {
                System.Collections.Generic.List<System.Byte> ByteList = new System.Collections.Generic.List<System.Byte>();
                ByteList.Add(IO.Reader.ReadByte());
                ByteList.Add(IO.Reader.ReadByte());
                ByteList.Add(IO.Reader.ReadByte());
                ByteList.Add(IO.Reader.ReadByte());
                while (true)
                {
                    System.Byte TempByte = IO.Reader.ReadByte();
                    ByteList.Add(TempByte);
                    if (TempByte == 0)
                    {
                        break;
                    }
                }
                data = ByteList.ToArray();
            }
        }
        public void Write(ref XboxClasses.IO.IO IO)
        {
            IO.Writer.WriteUInt8(Index);
            IO.Writer.WriteUInt8((System.Byte)Type);
            IO.Writer.Write(data);
        }

        public object Value
        {
            get
            {
                if (Type == DvarType.Byte || Type == DvarType.SByte)
                {
                    return data[0];
                }
                else if (Type == DvarType.Int32)
                {
                    return System.BitConverter.ToInt32(data, 0);
                }
                else if (Type == DvarType.UInt32)
                {
                    return System.BitConverter.ToUInt32(data, 0);
                }
                else if (Type == DvarType.Single)
                {
                    return System.BitConverter.ToSingle(data, 0);
                }
                else if (Type == DvarType.String)
                {
                    System.Collections.Generic.List<System.Byte> String = new System.Collections.Generic.List<System.Byte>();
                    for (System.Int32 i = 4; i < data.Length - 1; i++)
                    {
                        String.Add(data[i]);
                    }
                    return System.Text.Encoding.ASCII.GetString(String.ToArray());
                }
                return "Unknown settingtype";
            }
            set
            {
                if (Type == DvarType.Byte || Type == DvarType.SByte)
                {
                    data = new System.Byte[1] { (System.Byte)value };
                }
                else if (Type == DvarType.Int32)
                {
                    data = System.BitConverter.GetBytes((System.Int32)value);
                }
                else if (Type == DvarType.UInt32)
                {
                    data = System.BitConverter.GetBytes((System.UInt32)value);
                }
                else if (Type == DvarType.Single)
                {
                    data = System.BitConverter.GetBytes((System.Single)value);
                }
                else if (Type == DvarType.String)
                {
                    System.Byte[] StringBytes = System.Text.Encoding.ASCII.GetBytes((System.String)value);
                    System.Collections.Generic.List<System.Byte> ByteList = new System.Collections.Generic.List<System.Byte>();
                    ByteList.Add(data[0]);
                    ByteList.Add(data[1]);
                    ByteList.Add(data[2]);
                    ByteList.Add(data[3]);
                    for (System.Int32 i = 0; i < StringBytes.Length; i++)
                    {
                        ByteList.Add(StringBytes[i]);
                    }
                    ByteList.Add(0);
                    data = ByteList.ToArray();
                }
            }
        }
    }
    public enum DvarType : byte
    {
        Byte = 1,
        SByte = 2,
        Int32 = 3,
        UInt32 = 4,
        Single = 5,
        String = 6,
    }