public BeatmapInfo(string filename)
{
List <Note> notes;
List <LongNote> lns;
// Load, and parse.
if (File.Exists(filename))
{
if (filename.Split('.')[filename.Split('.').Length - 1] != "osu")
{
throw new InvalidBeatmapException("Unknown file format.");
}
Data = MetadataParser.Parse(filename);
HitObjectParser.Parse(filename, out notes, out lns, Data.Keys);
}
else
{
throw new FileNotFoundException();
}
// Calculate densities.
JenksDensity = DensityCalculator.GetJenksDensity(ref notes, ref lns, Data.Keys);
JenksSpeed = DensityCalculator.GetJenksSpeed(ref notes, ref lns);
// Copy data.
Notes = notes;
LNs = lns;
}
public BeatmapInfo(string filename)
{
List <Note> notes;
List <LongNote> lns;
// Load, and parse.
if (File.Exists(filename))
{
if (filename.Split('.')[filename.Split('.').Length - 1] != "osu")
{
throw new InvalidBeatmapException("Unknown file format.");
}
Data = MetadataParser.Parse(filename);
HitObjectParser.Parse(filename, out notes, out lns, Data.Keys);
}
else
{
throw new FileNotFoundException();
}
// Calculate densities.
var orgDen = DensityCalculator.GetDensity(ref notes, ref lns);
var corDen = DensityCalculator.GetCorrectedDensity(ref notes, ref lns, Data.Keys);
// Copy data.
Notes = notes;
LNs = lns;
MaxDen = orgDen.Item1;
AvgDen = orgDen.Item2;
CorMaxDen = corDen.Item1;
CorAvgDen = corDen.Item2;
}
protected override void ParseFile(StreamReader stream, Sheetmusic sheetmusic) // 解碼
{
sheetmusic.SheetmusicInfo.SheetmusicVersion = sheetmusicVersion;
Section section = Section.None;
bool hasCustomColours = false;
string line;
while ((line = stream.ReadLine()) != null)
{
if (line.Equals(" ") || line.Equals(""))
{
continue;
}
if (line.StartsWith("//"))
{
continue;
}
if (line.StartsWith(@"straight file format v"))
{
sheetmusic.SheetmusicInfo.SheetmusicVersion = int.Parse(line.Substring(13));
continue;
}
if (line.StartsWith(@"[") && line.EndsWith(@"]"))
{
section = (Section)Enum.Parse(typeof(Section), line.Substring(1, line.Length - 2));
continue;
}
switch (section)
{
case Section.General:
handleGeneral(sheetmusic, line);
break;
case Section.Metadata:
handleMetadata(sheetmusic, line);
break;
case Section.Difficulty:
handleDifficulty(sheetmusic, line);
break;
//case Section.Events:
// handleEvents(sheetmusic, line, ref storyboardSprite, ref timelineGroup);
// break;
case Section.TimingPoints:
handleTimingPoints(sheetmusic, line);
break;
//case Section.Colours:
// handleColours(sheetmusic, line, ref hasCustomColours);
// break;
case Section.HitObjects:
// If the ruleset wasn't specified, assume the osu!standard ruleset.
if (parser == null)
{
parser = new Rulesets.Objects.Parsers.ConvertHitObjectParser();
}
var obj = parser.Parse(line);
if (obj != null)
{
sheetmusic.HitObjects.Add(obj);
}
break;
//case Section.Variables:
// handleVariables(line);
// break;
}
}
foreach (var hitObject in sheetmusic.HitObjects)
{
hitObject.ApplyDefaults(sheetmusic.ControlPointInfo, sheetmusic.SheetmusicInfo.BaseDifficulty);
}
}
protected override Beatmap ParseFile(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(),
},
};
HitObjectParser parser = null;
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);
parser = Ruleset.GetRuleset(beatmap.BeatmapInfo.Mode).CreateHitObjectParser();
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:
var obj = parser?.Parse(val);
if (obj != null)
{
obj.SetDefaultsFromBeatmap(beatmap);
beatmap.HitObjects.Add(obj);
}
break;
}
}
return(beatmap);
}
