public void ReadFromStream(SerializationReader r)
{
Type = (PacketType)r.ReadInt16();
r.ReadByte();
int length = r.ReadInt32();
Data = r.ReadBytes(length);
}
/// <summary>
/// Parses .osr file.
/// </summary>
/// <param name="stream">Stream containing replay data.</param>
/// <returns>A usable <see cref="Replay"/>.</returns>
public static Replay Decode(Stream stream)
{
Replay replay = new Replay();
using (var r = new SerializationReader(stream))
{
replay.Ruleset = (Ruleset)r.ReadByte();
replay.OsuVersion = r.ReadInt32();
replay.BeatmapMD5Hash = r.ReadString();
replay.PlayerName = r.ReadString();
replay.ReplayMD5Hash = r.ReadString();
replay.Count300 = r.ReadUInt16();
replay.Count100 = r.ReadUInt16();
replay.Count50 = r.ReadUInt16();
replay.CountGeki = r.ReadUInt16();
replay.CountKatu = r.ReadUInt16();
replay.CountMiss = r.ReadUInt16();
replay.ReplayScore = r.ReadInt32();
replay.Combo = r.ReadUInt16();
replay.PerfectCombo = r.ReadBoolean();
replay.Mods = (Mods)r.ReadInt32();
string lifeData = r.ReadString();
if (!string.IsNullOrEmpty(lifeData))
{
foreach (string lifeBlock in lifeData.Split(','))
{
string[] split = lifeBlock.Split('|');
if (split.Length < 2)
{
continue;
}
replay.LifeFrames.Add(new LifeFrame()
{
Time = Convert.ToInt32(split[0]),
Percentage = ParseHelper.ToFloat(split[1])
});
}
}
replay.ReplayTimestamp = r.ReadDateTime();
replay.ReplayLength = r.ReadInt32();
if (replay.ReplayLength > 0)
{
byte[] replayDataBytes = r.ReadBytes(replay.ReplayLength);
byte[] decompressedBytes = LZMAHelper.Decompress(replayDataBytes);
string decompressedString = Encoding.ASCII.GetString(decompressedBytes);
int lastTime = 0;
foreach (string frame in decompressedString.Split(','))
{
if (string.IsNullOrEmpty(frame))
{
continue;
}
string[] split = frame.Split('|');
if (split.Length < 4)
{
continue;
}
if (split[0] == "-12345")
{
replay.Seed = Convert.ToInt32(split[3]);
continue;
}
ReplayFrame replayFrame = new ReplayFrame();
replayFrame.TimeDiff = Convert.ToInt32(split[0]);
replayFrame.Time = Convert.ToInt32(split[0]) + lastTime;
replayFrame.X = ParseHelper.ToFloat(split[1]);
replayFrame.Y = ParseHelper.ToFloat(split[2]);
switch (replay.Ruleset)
{
case Ruleset.Standard:
replayFrame.StandardKeys = (StandardKeys)Convert.ToInt32(split[3]);
break;
case Ruleset.Taiko:
replayFrame.TaikoKeys = (TaikoKeys)Convert.ToInt32(split[3]);
break;
case Ruleset.Fruits:
replayFrame.CatchKeys = (CatchKeys)Convert.ToInt32(split[3]);
break;
case Ruleset.Mania:
replayFrame.ManiaKeys = (ManiaKeys)replayFrame.X;
break;
}
replay.ReplayFrames.Add(replayFrame);
lastTime = replay.ReplayFrames.Last().Time;
}
}
if (r.BaseStream.Length - r.BaseStream.Position > 0)
{
if (r.BaseStream.Length - r.BaseStream.Position == 4)
{
replay.OnlineId = r.ReadInt32();
}
else
{
replay.OnlineId = r.ReadInt64();
}
}
}
return(replay);
}
