private void Init(Stream input)
        {
            if (input.Length < 0x100)
            {
                throw new Exception(
                          "Invalid Savedata!\nData is too short for it to be valid, please select a valid save file");
            }
            long val = input.ReadInt32(true);

            if (val != (long)PackageHeader.Mc02)
            {
                input.Position -= 4;
                val             = input.ReadInt64(true);
                if (val != (long)PackageHeader.Fb)
                {
                    throw new Exception("Invalid Package Header!");
                }
            }
            PackageHeader = (PackageHeader)val;
            bool isbigendian = PackageHeader == PackageHeader.Mc02;

            if (PackageHeader == PackageHeader.Mc02)
            {
                InitMcPackage(input);
            }
            else
            {
                InitFbPackage(input);
            }
            uint hash = input.ReadUInt32(isbigendian);

            Header = input.ReadBytes(HeaderLength - 4);
            var crc = new DA3CRC();

            if (crc.Compute(Header) != hash)
            {
                throw new Exception(
                          "Header data did not pass intergrity check!\nPlease choose a valid unmodified save to proceed");
            }
            hash = input.ReadUInt32(isbigendian);
            var  data  = input.ReadBytes(DataLength - 4);
            uint xhash = crc.Compute(data);

            if (hash != xhash)
            {
                throw new Exception(
                          "Save data did not pass the intergrity check!\nPlease choose a valid unmodified save to proceed");
            }

            var xio = new DAIIO(data, isbigendian);

            DataStructure = new SaveDataStructure().Read(xio);
            xio.Close();
        }
Exemple #2
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        internal static int InstanceLength <T>(this DAInterface <T> instance, bool skiplength) where T : class
        {
            if (instance == null)
            {
                return(0);
            }
            int xreturn = 0;
            var io      = new DAIIO(false);

            instance.Write(io, skiplength);
            xreturn = (int)io.CurrentBit;
            io.Close();
            return(xreturn);
        }
        public byte[] Rebuild()
        {
            var io = new DAIIO(PackageHeader == PackageHeader.Mc02);

            DataStructure.Write(io);
            var x = io.ToArray();

            io.Close();
            io.Dispose();
            if (PackageHeader == PackageHeader.Mc02)
            {
                return(BuildMcPackage(x));
            }
            return(BuildFbPackage(x));
        }