public override Beatmap Decode(TextReader stream)
{
var beatmap = new Beatmap
{
HitObjects = new List <HitObject>(),
ControlPoints = new List <ControlPoint>(),
ComboColors = new List <Color4>(),
BeatmapInfo = new BeatmapInfo
{
Metadata = new BeatmapMetadata(),
BaseDifficulty = new BaseDifficulty(),
},
};
var section = Section.None;
string line;
while (true)
{
line = stream.ReadLine();
if (line == null)
{
break;
}
if (string.IsNullOrEmpty(line))
{
continue;
}
if (line.StartsWith(@"osu file format v"))
{
continue;
}
if (line.StartsWith(@"[") && line.EndsWith(@"]"))
{
if (!Enum.TryParse(line.Substring(1, line.Length - 2), out section))
{
throw new InvalidDataException($@"Unknown osu section {line}");
}
continue;
}
string val = line, key = null;
if (section != Section.Events && section != Section.TimingPoints && section != Section.HitObjects)
{
key = val.Remove(val.IndexOf(':')).Trim();
val = val.Substring(val.IndexOf(':') + 1).Trim();
}
switch (section)
{
case Section.General:
handleGeneral(beatmap, key, val);
break;
case Section.Editor:
handleEditor(beatmap, key, val);
break;
case Section.Metadata:
handleMetadata(beatmap, key, val);
break;
case Section.Difficulty:
handleDifficulty(beatmap, key, val);
break;
case Section.Events:
handleEvents(beatmap, val);
break;
case Section.TimingPoints:
handleTimingPoints(beatmap, val);
break;
case Section.Colours:
handleColours(beatmap, key, val);
break;
case Section.HitObjects:
beatmap.HitObjects.Add(HitObject.Parse(beatmap.BeatmapInfo.Mode, val));
break;
}
}
return(beatmap);
}