private static Beatmap decodeLrcLine(string line)
{
using (var stream = new MemoryStream())
using (var writer = new StreamWriter(stream))
using (var reader = new LineBufferedReader(stream))
{
// Create stream
writer.Write(line);
writer.Flush();
stream.Position = 0;
// Create karaoke note decoder
var decoder = new LrcDecoder();
return(decoder.Decode(reader));
}
}
public void ImportLrcFile(FileInfo info)
{
if (!info.Exists)
{
throw new FileNotFoundException("Lyric file does not found!");
}
var isFormatMatch = LyricFormatExtensions.Contains(info.Extension);
if (!isFormatMatch)
{
throw new FileLoadException("Only .lrc or .kar karaoke file is supported now");
}
var set = beatmap.Value.BeatmapSetInfo;
var oldFile = set.Files?.FirstOrDefault(f => f.Filename == backup_lrc_name);
using (var stream = info.OpenRead())
{
// todo : make a backup if has new lyric file.
/*
* if (oldFile != null)
* beatmaps.ReplaceFile(set, oldFile, stream, backup_lrc_name);
* else
* beatmaps.AddFile(set, stream, backup_lrc_name);
*/
// Import and replace all the file.
using (var reader = new Game.IO.LineBufferedReader(stream))
{
var decoder = new LrcDecoder();
var lrcBeatmap = decoder.Decode(reader);
// remove all hit objects (note and lyric) from beatmap
editorBeatmap.Clear();
// then re-add the lyric.
var lyrics = lrcBeatmap.HitObjects.OfType <Lyric>();
editorBeatmap.AddRange(lyrics);
}
}
}
/// <summary>
/// Process test case lyric string format into <see cref="Lyric"/>
/// </summary>
/// <example>
/// "[00:01.00]か[00:02.00]ら[00:03.00]お[00:04.00]け[00:05.00]"
/// </example>
/// <param name="str">Lyric string format</param>
/// <returns><see cref="Lyric"/>Lyric object</returns>
public static Lyric ParseLyricWithTimeTag(string str)
{
if (string.IsNullOrEmpty(str))
{
return(new Lyric());
}
using (var stream = new MemoryStream())
using (var writer = new StreamWriter(stream))
using (var reader = new LineBufferedReader(stream))
{
// Create stream
writer.Write(str);
writer.Flush();
stream.Position = 0;
// Create karaoke note decoder
var decoder = new LrcDecoder();
return(decoder.Decode(reader).HitObjects.OfType <Lyric>().FirstOrDefault());
}
}