public SaveGameSystem(string savePath, FileMode mode = FileMode.Open)
{
if (mode == FileMode.Open)
{
var fileHandle = File.Open(savePath, mode, FileAccess.Read, FileShare.Read);
using (var reader = new BinaryReader(fileHandle, Encoding.UTF8, true))
{
// Offset 0x0
string gameVersionString = Encoding.ASCII.GetString(reader.ReadBytesStrict(32));
uint gameVersion = reader.ReadUInt32();
byte saveVersion = reader.ReadByte();
byte saveFlags = reader.ReadByte(); // { 0x80 = unknown, 0x1 = NG+, 0x2 = DLC entitlements }
ushort worldIdHash = reader.ReadUInt16(); // CRC32-C xor'd - "World"
bool isCoopGameMode = reader.ReadBooleanStrict();
_ = reader.ReadBytesStrict(3);
// Offset 0x2C
uint gameStateBlockLength = reader.ReadUInt32();
var gameStateBlock = reader.ReadBytesStrict(256);
if (gameStateBlockLength != 84)
{
throw new Exception();
}
// Offset 0x130
int unknown1 = reader.ReadInt32(); // Sign extended
int saveType = reader.ReadInt32(); // Sign extended { 1 = manual, 2 = quick, 4 = auto, 8 = NG+ start point }
var gameModuleGUID = new GGUUID().FromData(reader); // Field from `class GameModule`
var uniqueSaveGUID = new GGUUID().FromData(reader); // CoCreateGuid() on save
var gameLoadGUID = new GGUUID().FromData(reader); // CoCreateGuid() on game start
var systemTypeGUID = new GGUUID().FromData(reader); // Possibly GUID for Win32System or physics
double playTimeInSeconds = reader.ReadDouble();
_ = reader.ReadBytesStrict(108);
// Offset 0x1EC
var dataBlockMD5 = reader.ReadBytesStrict(16);
uint dataBlockLength = reader.ReadUInt32();
// Parse actual save data
State = new SaveState(reader, saveVersion, (uint)reader.BaseStream.Position, dataBlockLength);
var unknownData1 = State.Reader.ReadBytesStrict(24);
var unknownObject1 = State.ReadObjectHandle();
var unknownString1 = State.ReadIndexedString();// Likely entity RTTI name for the player's current mount. Instanced by AIManager.
var unknownData2 = State.Reader.ReadBytesStrict(24);
var unknownObject2 = State.ReadObjectHandle();
GlobalGameModule = RTTI.CreateObjectInstance <GameModule>();
GlobalStreamingStrategyManagerGame = RTTI.CreateObjectInstance <StreamingStrategyManagerGame>();
GlobalSceneManagerGame = RTTI.CreateObjectInstance <SceneManagerGame>();
// GameModule info
{
byte unknownByte = State.Reader.ReadByte();
if (unknownByte != 0)
{
var unknownData = State.Reader.ReadBytesStrict(24);
}
}
GlobalStreamingStrategyManagerGame.ReadSave(State);
GlobalSceneManagerGame.ReadSave(State);
GlobalFactDatabase = State.DeserializeType <FactDatabase>();
GlobalGameModule.ReadSaveSystem(this);
}
}
else if (mode == FileMode.Create || mode == FileMode.CreateNew)
{
throw new NotImplementedException("Writing archives is not supported at the moment");
}
else
{
throw new NotImplementedException("Archive file mode must be Open, Create, or CreateNew");
}
}