public void Start(Replay replay, Stream stream)
{
if (disposedValue)
{
throw new ObjectDisposedException(nameof(ReplayWriter));
}
if (Replay != null)
{
throw new InvalidOperationException("Already started.");
}
_startTime = DateTime.Now - _lobbyTime;
Replay = replay ?? throw new ArgumentNullException(nameof(replay));
_binaryWriter = new BinaryWriter(_stream = stream ?? throw new ArgumentNullException(nameof(stream)));
// header count
_binaryWriter.Write(4);
_binaryWriter.Write(Replay.Name);
_binaryWriter.Write(Replay.GameId.ToString());
_binaryWriter.Write(Replay.User);
_binaryWriter.Write(_lobbyTime.Ticks); // Game start time, for fastforwarding
while (_prestartQueue.Count > 0)
{
var item = _prestartQueue.Dequeue();
ReplayEvent.Write(item, _binaryWriter);
}
_binaryWriter.Flush();
}
public void WriteEvent(ReplayEvent replayEvent)
{
if (disposedValue)
{
throw new ObjectDisposedException(nameof(ReplayWriter));
}
if (replayEvent.Type == ReplayEventType.Start)
{
if (_wroteStartEvent)
{
throw new InvalidOperationException($"Already wrote Start event");
}
_wroteStartEvent = true;
}
if (Replay == null)
{
replayEvent.Time = _lobbyTime;
_lobbyTime += TimeSpan.FromMilliseconds(10);
_prestartQueue.Enqueue(replayEvent);
}
else
{
replayEvent.Time = DateTime.Now - _startTime;
ReplayEvent.Write(replayEvent, _binaryWriter);
_binaryWriter.Flush();
}
}
public static void Write(ReplayEvent eve, BinaryWriter writer)
{
writer.Write((byte)eve.Type);
writer.Write(eve.Time.Ticks);
writer.Write(eve.PlayerId);
writer.Write(eve.Action.Length);
writer.Write(eve.Action);
}
public static ReplayReader FromStream(Stream stream)
{
var binaryReader = new BinaryReader(stream ?? throw new ArgumentNullException(nameof(stream)));
var headerCount = binaryReader.ReadInt32();
var name = binaryReader.ReadString();
var gameIdString = binaryReader.ReadString();
var username = binaryReader.ReadString();
var gameStartTimeTicks = binaryReader.ReadInt64();
var gameStartTime = TimeSpan.FromTicks(gameStartTimeTicks);
var gameId = Guid.Parse(gameIdString);
var replay = new Replay {
Name = name,
GameId = gameId,
User = username,
GameStartTime = gameStartTime
};
var pos = binaryReader.BaseStream.Position;
var replayList = new List <ReplayEvent>();
long lengthTicks = 0;
var nextId = 0;
while (true)
{
try {
var eve = ReplayEvent.Read(binaryReader);
eve.Id = nextId;
nextId++;
lengthTicks = eve.Time.Ticks;
replayList.Add(eve);
} catch (EndOfStreamException) {
break;
}
}
binaryReader.BaseStream.Position = pos;
replay.GameLength = TimeSpan.FromTicks(lengthTicks);
return(new ReplayReader(replayList, replay));
}