/// <summary>
/// Get all the bytes to create a .osr file.
/// </summary>
/// <param name="_m">The mode the score was played in.</param>
/// <param name="_b">The beatmap ID (not beatmap set ID!) in which the replay was played.</param>
/// <param name="_u">The user that has played the beatmap.</param>
/// <param name="t">Change the function to the one that returns bytes.</param>
/// <param name="_mods">Specify a mod or mod combination (See https://github.com/ppy/osu-api/wiki#mods )</param>
/// <param name="_count">This will specify which score to select.</param>
/// <returns>.osr file bytes.</returns>
public async Task <byte[]> GetReplay(mode _m, string _u, int _b, int _mods = 0, int _count = 0)
{
var replay = await GetReplay(_m, _b, _u);
var sc = await GetScore(_b, _u, _m, _mods);
var bt = await GetBeatmap(_b, _isSet : false);
var score = sc[_count];
var beatmap = bt[0];
var bin = new BinHandler();
var binWriter = new BinaryWriter(new MemoryStream());
var binReader = new BinaryReader(binWriter.BaseStream);
var replayHashData = bin.MD5Hash(score.maxcombo + "osu" + score.username + beatmap.file_md5 + score.score + score.rank);
var content = Convert.FromBase64String(replay.content);
var mode = Convert.ToInt32(_m).ToString();
// Begin
bin.writeByte(binWriter, mode); // Write osu mode.
bin.writeInteger(binWriter, 0.ToString()); // Write osu version. (Unknown)
bin.writeString(binWriter, beatmap.file_md5); // Write beatmap MD5.
bin.writeString(binWriter, score.username); // Write username.
bin.writeString(binWriter, replayHashData); // Write replay MD5.
bin.writeShort(binWriter, score.count300); // Write 300s count.
bin.writeShort(binWriter, score.count100); // Write 100s count.
bin.writeShort(binWriter, score.count50); // Write 50s count.
bin.writeShort(binWriter, score.countgeki); // Write geki count.
bin.writeShort(binWriter, score.countkatu); // Write katu count.
bin.writeShort(binWriter, score.countmiss); // Write miss count.
bin.writeInteger(binWriter, score.score); // Write score.
bin.writeShort(binWriter, score.maxcombo); // Write maxcombo.
bin.writeByte(binWriter, score.perfect); // Write if the score is perfect or not.
bin.writeInteger(binWriter, score.enabled_mods); // Write which mods where enabled.
bin.writeString(binWriter, ""); // Write lifebar hp. (Unknown)
bin.writeDate(binWriter, score.date); // Write replay timestamp.
bin.writeInteger(binWriter, content.Length.ToString()); // Write replay content lenght.
// Content
binWriter.Write(content); // Write replay content.
// Final
binWriter.Write(Convert.ToInt64(score.score_id)); // Write score id.
binWriter.Write(BitConverter.GetBytes(Convert.ToUInt32(0)), 4, 0); // Write null byte.
binReader.BaseStream.Position = 0;
int streamLenght = (int)binReader.BaseStream.Length;
// [WARNING!]
// The Get Replay Data from osu!api dosen't have a parameter to retrieve a certain replay.
// It is possible that the movement of the cursor to be wrong because of that.
// There is no way to fix it until such parameter is added.
return(binReader.ReadBytes(streamLenght));
}
/// <summary>
/// Return all the bytes needed to create a .osr file.
/// </summary>
/// <param name="_m">The mode the score was played in.</param>
/// <param name="_b">The beatmap ID (not beatmap set ID!) in which the replay was played.</param>
/// <param name="_u">The user that has played the beatmap.</param>
/// <param name="_mods">Specify a mod or mod combination (See https://github.com/ppy/osu-api/wiki#mods )</param>
/// <returns>.osr file bytes.</returns>
public byte[] GetReplay(mode _m, string _u, long _b, long?_mods = null)
{
var replay = GetReplay(_m, _b, _u, _mods);
var sc = GetScore(_b, _u, _m, _mods);
var bt = GetBeatmap(_b, _isSet: false);
var score = sc[0];
var beatmap = bt[0];
var binWriter = new BinaryWriter(new MemoryStream());
var bin = new BinHandler(binWriter);
var binReader = new BinaryReader(binWriter.BaseStream);
var replayHashData = bin.MD5Hash(score.maxcombo + "osu" + score.username + beatmap.MD5 + score.score + score.rank);
var content = Convert.FromBase64String(replay.content);
var mode = Convert.ToInt32(_m).ToString();
// Begin
bin.writeByte(mode); // Write osu mode.
bin.writeInteger(0); // Write osu version. (Unknown)
bin.writeString(beatmap.MD5); // Write beatmap MD5.
bin.writeString(score.username); // Write username.
bin.writeString(replayHashData); // Write replay MD5.
bin.writeShort(score.count300); // Write 300s count.
bin.writeShort(score.count100); // Write 100s count.
bin.writeShort(score.count50); // Write 50s count.
bin.writeShort(score.countgeki); // Write geki count.
bin.writeShort(score.countkatu); // Write katu count.
bin.writeShort(score.countmiss); // Write miss count.
bin.writeInteger(score.score); // Write score.
bin.writeShort(score.maxcombo); // Write maxcombo.
bin.writeByte((score.perfect ? 1:0).ToString()); // Write if the score is perfect or not.
if (score.enabled_mods == null)
{
bin.writeInteger(null); // Write null int if no mods were enabled.
}
else
{
bin.writeInteger(Convert.ToInt32(modsCalculator( // Use mods calculator to get the long for enabled mods.
score.enabled_mods.ToList() // Cast mods array to List.
))); // Cast the long to string then write enabled mods.
}
bin.writeString(""); // Write lifebar hp. (Unknown)
bin.writeDate(score.date); // Write replay timestamp.
bin.writeInteger(content.Length); // Write replay content lenght.
// Content
binWriter.Write(content); // Write replay content.
// Final
binWriter.Write(Convert.ToInt64(score.score_id)); // Write score id.
binWriter.Write(BitConverter.GetBytes(Convert.ToUInt32(0)), 4, 0); // Write null byte.
binReader.BaseStream.Position = 0;
int streamLenght = (int)binReader.BaseStream.Length;
// [WARNING!]
// The Get Replay Data from osu!api dosen't have a parameter to retrieve a certain replay.
// It is possible that the movement of the cursor to be wrong because of that.
// There is no way to fix it until such parameter is added.
return(binReader.ReadBytes(streamLenght));
}