private SaveInfo ReadSaveHeader(BinaryReader reader)
{
var headerLength = reader.ReadInt32();
var headerBlob = reader.ReadBytes(headerLength);
return(SaveInfo.FromBlob(headerBlob));
}
public void NewGame(string playerName)
{
var slotName = "";
lock (_mutex)
{
if (IsGameLoaded)
{
throw new InvalidOperationException("A game is already active.");
}
var saveInfo = SaveInfo.MakeNew(playerName);
slotName = GetNextSlotName();
var savePath = GetPath(slotName);
_slots.Add(slotName, saveInfo);
using (var stream = File.Open(savePath, FileMode.OpenOrCreate))
{
using (var writer = new BinaryWriter(stream, Encoding.UTF8))
{
writer.Write(SaveMagic);
var headerBlob = saveInfo.ToBlob();
writer.Write(headerBlob.Length);
writer.Write(headerBlob);
using (var ms = new MemoryStream())
{
var db = new LiteDatabase(ms);
db.Dispose();
var dbBytes = ms.ToArray();
using (var gzipTarget = new MemoryStream())
{
using (var gzip = new GZipStream(gzipTarget, CompressionLevel.Optimal))
{
gzip.Write(dbBytes, 0, dbBytes.Length);
}
var zippedData = gzipTarget.ToArray();
writer.Write(zippedData.Length);
writer.Write(zippedData);
}
}
}
}
}
LoadGame(slotName);
}
internal static SaveInfo MakeNew(string playerName)
{
var info = new SaveInfo();
info.PlayerName = playerName;
info.LastMissionName = "";
info.Created = DateTime.Now;
info.LastPlayed = DateTime.Now;
return(info);
}
public void UnloadGame(bool save = true)
{
if (IsGameLoaded)
{
if (save)
{
SaveGame();
}
_random = null;
_dataStream.Dispose();
_saveInfo = null;
SaveUnloaded?.Invoke(this, EventArgs.Empty);
}
}
/// <summary>
/// Creates a new <see cref="SaveInfo"/> instance from the raw SARS save header data.
/// </summary>
/// <param name="blob">A byte array containing the raw SARS data to parse.</param>
/// <returns>The <see cref="SaveInfo"/> object represented within the given SARS data.</returns>
public static SaveInfo FromBlob(byte[] blob)
{
var info = new SaveInfo();
using (var ms = new MemoryStream(blob))
{
using (var reader = new BinaryReader(ms, Encoding.UTF8))
{
info.Created = new DateTime(reader.ReadInt64());
info.LastPlayed = new DateTime(reader.ReadInt64());
info.PlayerName = reader.ReadString();
info.LastMissionName = reader.ReadString();
}
}
return(info);
}
public void LoadGame(string name)
{
lock (_mutex)
{
GameUtils.Log("loading save game in slot " + name);
if (IsGameLoaded)
{
throw new InvalidOperationException("A save game is already loaded and active.");
}
var path = GetPath(name);
if (!File.Exists(path))
{
throw new InvalidOperationException("Specified save game does not exist.");
}
using (var stream = File.OpenRead(path))
{
ThrowIfInvalidFormat(stream);
using (var reader = new BinaryReader(stream, Encoding.UTF8))
{
_saveInfo = ReadSaveHeader(reader);
OpenMemoryDatabase(reader);
_random = new Random(PlayerName.GetHashCode());
}
}
_saveInfo.LastPlayed = DateTime.Now;
_slot = name;
}
}