AmpConversion.cs at master · invoxiplaygames.uk/davesave

HMX Forge (RB4/DCS/Amp16/FME) save game decryptor/encryptor
davesave / AmpConversion.cs
at master 4.4 kB view raw
  1using davesave.Saves;
  2using davesave.Saves.Amp2016;
  3using LibForge.Util;
  4using System;
  5using System.Collections.Generic;
  6using System.Linq;
  7using System.Text;
  8using System.Threading.Tasks;
  9
 10namespace davesave
 11{
 12    internal class AmpConversion
 13    {
 14        public static void ConvertAmpSavePS3toPS4(Stream inStream, Stream outStream, bool encrypt = true)
 15        {
 16            Console.WriteLine("Converting PS3 Amplitude save to PS4...");
 17            // start the stream we're reading from
 18            Stream realIn = inStream;
 19            EncryptedReadRevisionStream? ers = null;
 20            if (encrypt)
 21            {
 22                Console.WriteLine("(encryption enabled)");
 23                ers = new EncryptedReadRevisionStream(inStream, true);
 24                realIn = ers;
 25            }
 26            // load the profile in from the stream
 27            AmpProfile profile = AmpProfile.ReadFromStream(realIn, true);
 28            if (ers != null) ers.FinishReading(); // we've finished reading, do this as a sanity check
 29            // change some values to properly convert
 30            profile.mVersion = 0x19;
 31            // start an output stream
 32            Stream realOut = outStream;
 33            EncryptedWriteRevisionStream? ews = null;
 34            if (encrypt)
 35            {
 36                ews = new EncryptedWriteRevisionStream(outStream, 0x69696969, false);
 37                realOut = ews;
 38            }
 39            // write our profile to it
 40            profile.WriteToStream(realOut, false);
 41            if (ews != null) ews.FinishWriting();
 42            // conversion successful?
 43            Console.WriteLine("Conversion completed!");
 44        }
 45
 46        public static void ConvertAmpSavePS4toPS3(Stream inStream, Stream outStream, bool encrypt = true)
 47        {
 48            Console.WriteLine("Converting PS4 Amplitude save to PS3...");
 49            // start the stream we're reading from
 50            Stream realIn = inStream;
 51            EncryptedReadRevisionStream? ers = null;
 52            if (encrypt)
 53            {
 54                Console.WriteLine("(encryption enabled)");
 55                ers = new EncryptedReadRevisionStream(inStream, false);
 56                realIn = ers;
 57            }
 58            // load the profile in from the stream
 59            AmpProfile profile = AmpProfile.ReadFromStream(realIn, false);
 60            if (ers != null) ers.FinishReading(); // we've finished reading, do this as a sanity check
 61            // change some values to properly convert
 62            profile.mVersion = 0x1A;
 63            profile.mCampaignData.mUnknownPS3Byte = 0x1;
 64            // start an output stream
 65            Stream realOut = outStream;
 66            EncryptedWriteRevisionStream? ews = null;
 67            if (encrypt)
 68            {
 69                ews = new EncryptedWriteRevisionStream(outStream, 0x69696969, true);
 70                realOut = ews;
 71            }
 72            // write our profile to it
 73            profile.WriteToStream(realOut, true);
 74            if (ews != null) ews.FinishWriting();
 75            // conversion successful?
 76            Console.WriteLine("Conversion completed!");
 77        }
 78
 79        public static async Task ConvertAmpSave(string input, string output)
 80        {
 81            FileStream inStream = File.OpenRead(input);
 82            SaveDetection.SaveType type = await SaveDetection.DetectSaveTypeAsync(inStream);
 83
 84            bool encrypted = false;
 85            bool ps3tops4 = false;
 86
 87            if (type == SaveDetection.SaveType.AmpPS4 || type == SaveDetection.SaveType.AmpPS4_Decrypted)
 88            {
 89                ps3tops4 = false;
 90                encrypted = (type == SaveDetection.SaveType.AmpPS4);
 91            } else if (type == SaveDetection.SaveType.AmpPS3 || type == SaveDetection.SaveType.AmpPS3_Decrypted)
 92            {
 93                ps3tops4 = true;
 94                encrypted = (type == SaveDetection.SaveType.AmpPS3);
 95            } else
 96            {
 97                Console.WriteLine("Unsupported input file.");
 98                return;
 99            }
100
101            FileStream outStream = File.OpenWrite(output);
102            outStream.SetLength(0);
103            if (ps3tops4)
104                ConvertAmpSavePS3toPS4(inStream, outStream, encrypted);
105            else
106                ConvertAmpSavePS4toPS3(inStream, outStream, encrypted);
107            inStream.Close();
108            outStream.Close();
109        }
110    }
111}