/// <summary>
/// Reads a playlist from a stream
/// </summary>
/// <param name="stream">Stream</param>
/// <param name="dispose">Whether to dispose of the stream after reading is finished</param>
public Playlist(Stream stream, bool dispose = false)
{
ReadMagicNumber(stream);
using var gzStream = new GZipStream(stream, CompressionMode.Decompress);
using var reader = new BinaryBlisterReader(gzStream);
Title = reader.ReadShortString();
Author = reader.ReadShortString();
Description = reader.ReadOptionalLongString();
Cover = reader.ReadOptionalBytes();
var mapCount = (int)reader.ReadUInt32();
var maps = new List <Beatmap>(mapCount);
for (var i = 0; i < mapCount; i++)
{
maps.Add(Beatmap.Read(reader));
}
Maps = maps;
if (dispose)
{
stream.Dispose();
}
}
internal static Beatmap Read(BinaryBlisterReader reader)
{
var type = reader.ReadByte();
return(type switch
{
KeyBeatmap.Type => new KeyBeatmap(reader),
HashBeatmap.Type => new HashBeatmap(reader),
ZipBeatmap.Type => new ZipBeatmap(reader),
LevelIDBeatmap.Type => new LevelIDBeatmap(reader),
_ => throw new InvalidBeatmapTypeException(),
});
internal Beatmap(BinaryBlisterReader reader)
{
DateAdded = reader.ReadDateTimeOffset();
}