public override void Reset()
{
base.Reset();
//ensure we are at offset 0
Clock = new FramedClock();
List<HitObject> objects = new List<HitObject>();
int time = 500;
for (int i = 0; i < 100; i++)
{
objects.Add(new HitCircle()
{
StartTime = time,
Position = new Vector2(RNG.Next(0, 512), RNG.Next(0, 384)),
Scale = RNG.NextSingle(0.5f, 1.0f),
});
time += RNG.Next(50, 500);
}
Beatmap beatmap = new Beatmap
{
HitObjects = objects
};
Add(new Drawable[]
{
new OsuHitRenderer
{
Objects = beatmap.HitObjects,
Scale = new Vector2(0.5f),
Anchor = Anchor.TopLeft,
Origin = Anchor.TopLeft
},
new TaikoHitRenderer
{
Objects = beatmap.HitObjects,
Scale = new Vector2(0.5f),
Anchor = Anchor.TopRight,
Origin = Anchor.TopRight
},
new CatchHitRenderer
{
Objects = beatmap.HitObjects,
Scale = new Vector2(0.5f),
Anchor = Anchor.BottomLeft,
Origin = Anchor.BottomLeft
},
new ManiaHitRenderer
{
Objects = beatmap.HitObjects,
Scale = new Vector2(0.5f),
Anchor = Anchor.BottomRight,
Origin = Anchor.BottomRight
}
});
}
private ProcessorWorkingBeatmap(osu.Game.Beatmaps.Beatmap beatmap, int?beatmapId = null) : base(beatmap.BeatmapInfo, null)
{
this.beatmap = beatmap;
if (beatmapId.HasValue)
{
beatmap.BeatmapInfo.OnlineBeatmapID = beatmapId;
}
}
public LegacyFilesystemReader(string path)
{
basePath = path;
beatmaps = Directory.GetFiles(basePath, @"*.osu").Select(f => Path.GetFileName(f)).ToArray();
if (beatmaps.Length == 0)
throw new FileNotFoundException(@"This directory contains no beatmaps");
using (var stream = new StreamReader(GetStream(beatmaps[0])))
{
var decoder = BeatmapDecoder.GetDecoder(stream);
firstMap = decoder.Decode(stream);
}
}
public override void Reset()
{
base.Reset();
//ensure we are at offset 0
Clock = new FramedClock();
if (beatmap == null)
{
var objects = new List<HitObject>();
int time = 1500;
for (int i = 0; i < 50; i++)
{
objects.Add(new HitCircle()
{
StartTime = time,
Position = new Vector2(i % 4 == 0 || i % 4 == 2 ? 0 : 512,
i % 4 < 2 ? 0 : 384),
NewCombo = i % 4 == 0
});
time += 500;
}
var decoder = new ConstructableBeatmapDecoder();
Beatmap b = new Beatmap
{
HitObjects = objects
};
decoder.Process(b);
beatmap = new WorkingBeatmap(b);
}
Add(new Box
{
RelativeSizeAxes = Framework.Graphics.Axes.Both,
Colour = Color4.Gray,
});
Add(new Player
{
PreferredPlayMode = PlayMode.Osu,
Beatmap = beatmap
});
}
public WorkingBeatmap(Beatmap beatmap)
{
this.beatmap = beatmap;
}
public override void SetDefaultsFromBeatmap(Beatmap beatmap)
{
base.SetDefaultsFromBeatmap(beatmap);
Velocity = 100 / beatmap.BeatLengthAt(StartTime, true) * beatmap.BeatmapInfo.BaseDifficulty.SliderMultiplier;
}
public override DifficultyCalculator CreateDifficultyCalculator(Beatmap beatmap, Mod[] mods = null) => null;
/// <summary>
/// Import a beamap into our local <see cref="FileStore"/> storage.
/// If the beatmap is already imported, the existing instance will be returned.
/// </summary>
/// <param name="files">The store to import beatmap files to.</param>
/// <param name="beatmaps">The store to import beatmaps to.</param>
/// <param name="reader">The beatmap archive to be read.</param>
/// <returns>The imported beatmap, or an existing instance if it is already present.</returns>
private BeatmapSetInfo importToStorage(FileStore files, BeatmapStore beatmaps, ArchiveReader reader)
{
// let's make sure there are actually .osu files to import.
string mapName = reader.Filenames.FirstOrDefault(f => f.EndsWith(".osu"));
if (string.IsNullOrEmpty(mapName))
{
throw new InvalidOperationException("No beatmap files found in the map folder.");
}
// for now, concatenate all .osu files in the set to create a unique hash.
MemoryStream hashable = new MemoryStream();
foreach (string file in reader.Filenames.Where(f => f.EndsWith(".osu")))
{
using (Stream s = reader.GetStream(file))
s.CopyTo(hashable);
}
var hash = hashable.ComputeSHA2Hash();
// check if this beatmap has already been imported and exit early if so.
var beatmapSet = beatmaps.BeatmapSets.FirstOrDefault(b => b.Hash == hash);
if (beatmapSet != null)
{
undelete(beatmaps, files, beatmapSet);
// ensure all files are present and accessible
foreach (var f in beatmapSet.Files)
{
if (!storage.Exists(f.FileInfo.StoragePath))
{
using (Stream s = reader.GetStream(f.Filename))
files.Add(s, false);
}
}
// todo: delete any files which shouldn't exist any more.
return(beatmapSet);
}
List <BeatmapSetFileInfo> fileInfos = new List <BeatmapSetFileInfo>();
// import files to manager
foreach (string file in reader.Filenames)
{
using (Stream s = reader.GetStream(file))
fileInfos.Add(new BeatmapSetFileInfo
{
Filename = file,
FileInfo = files.Add(s)
});
}
BeatmapMetadata metadata;
using (var stream = new StreamReader(reader.GetStream(mapName)))
metadata = Decoder.GetDecoder(stream).DecodeBeatmap(stream).Metadata;
// check if a set already exists with the same online id.
if (metadata.OnlineBeatmapSetID != null)
{
beatmapSet = beatmaps.BeatmapSets.FirstOrDefault(b => b.OnlineBeatmapSetID == metadata.OnlineBeatmapSetID);
}
if (beatmapSet == null)
{
beatmapSet = new BeatmapSetInfo
{
OnlineBeatmapSetID = metadata.OnlineBeatmapSetID,
Beatmaps = new List <BeatmapInfo>(),
Hash = hash,
Files = fileInfos,
Metadata = metadata
}
}
;
var mapNames = reader.Filenames.Where(f => f.EndsWith(".osu"));
foreach (var name in mapNames)
{
using (var raw = reader.GetStream(name))
using (var ms = new MemoryStream()) //we need a memory stream so we can seek and shit
using (var sr = new StreamReader(ms))
{
raw.CopyTo(ms);
ms.Position = 0;
var decoder = Decoder.GetDecoder(sr);
Beatmap beatmap = decoder.DecodeBeatmap(sr);
beatmap.BeatmapInfo.Path = name;
beatmap.BeatmapInfo.Hash = ms.ComputeSHA2Hash();
beatmap.BeatmapInfo.MD5Hash = ms.ComputeMD5Hash();
var existing = beatmaps.Beatmaps.FirstOrDefault(b => b.Hash == beatmap.BeatmapInfo.Hash || beatmap.BeatmapInfo.OnlineBeatmapID != null && b.OnlineBeatmapID == beatmap.BeatmapInfo.OnlineBeatmapID);
if (existing == null)
{
// Exclude beatmap-metadata if it's equal to beatmapset-metadata
if (metadata.Equals(beatmap.Metadata))
{
beatmap.BeatmapInfo.Metadata = null;
}
RulesetInfo ruleset = rulesets.GetRuleset(beatmap.BeatmapInfo.RulesetID);
// TODO: this should be done in a better place once we actually need to dynamically update it.
beatmap.BeatmapInfo.Ruleset = ruleset;
beatmap.BeatmapInfo.StarDifficulty = ruleset?.CreateInstance()?.CreateDifficultyCalculator(beatmap).Calculate() ?? 0;
beatmapSet.Beatmaps.Add(beatmap.BeatmapInfo);
}
}
}
return(beatmapSet);
}
public override DifficultyCalculator CreateDifficultyCalculator(Beatmap beatmap) => null;
/// <summary>
/// Converts a Beatmap using this Beatmap Converter.
/// </summary>
/// <param name="original">The un-converted Beatmap.</param>
/// <returns>The converted Beatmap.</returns>
public Beatmap <T> Convert(Beatmap original)
{
// We always operate on a clone of the original beatmap, to not modify it game-wide
return(ConvertBeatmap(new Beatmap(original)));
}
/// <summary>
/// Constructs a new beatmap.
/// </summary>
/// <param name="original">The original beatmap to use the parameters of.</param>
public Beatmap(Beatmap original = null)
{
BeatmapInfo = original?.BeatmapInfo ?? BeatmapInfo;
TimingInfo = original?.TimingInfo ?? TimingInfo;
ComboColors = original?.ComboColors ?? ComboColors;
}
/// <summary>
/// Post-processes a Beatmap to add mode-specific components that aren't added during conversion.
/// <para>
/// An example of such a usage is for combo colours.
/// </para>
/// </summary>
/// <param name="beatmap">The Beatmap to process.</param>
public virtual void PostProcess(Beatmap <TObject> beatmap)
{
}
public WorkingBeatmap(Beatmap beatmap)
{
this.beatmap = beatmap;
BeatmapInfo = beatmap.BeatmapInfo;
BeatmapSetInfo = beatmap.BeatmapInfo.BeatmapSet;
}
/// <summary> /// Performs the conversion of a hit object. /// This method is generally executed sequentially for all objects in a beatmap. /// </summary> /// <param name="original">The hit object to convert.</param> /// <param name="beatmap">The un-converted Beatmap.</param> /// <returns>The converted hit object.</returns> protected abstract IEnumerable <T> ConvertHitObject(HitObject original, Beatmap beatmap);
/// <summary>
/// Import a beamap into our local <see cref="FileStore"/> storage.
/// If the beatmap is already imported, the existing instance will be returned.
/// </summary>
/// <param name="reader">The beatmap archive to be read.</param>
/// <returns>The imported beatmap, or an existing instance if it is already present.</returns>
private BeatmapSetInfo importToStorage(ArchiveReader reader)
{
// let's make sure there are actually .osu files to import.
string mapName = reader.Filenames.FirstOrDefault(f => f.EndsWith(".osu"));
if (string.IsNullOrEmpty(mapName))
{
throw new InvalidOperationException("No beatmap files found in the map folder.");
}
// for now, concatenate all .osu files in the set to create a unique hash.
MemoryStream hashable = new MemoryStream();
foreach (string file in reader.Filenames.Where(f => f.EndsWith(".osu")))
{
using (Stream s = reader.GetStream(file))
s.CopyTo(hashable);
}
var hash = hashable.ComputeSHA2Hash();
// check if this beatmap has already been imported and exit early if so.
BeatmapSetInfo beatmapSet;
lock (beatmaps)
beatmapSet = beatmaps.QueryAndPopulate <BeatmapSetInfo>(b => b.Hash == hash).FirstOrDefault();
if (beatmapSet != null)
{
Undelete(beatmapSet);
// ensure all files are present and accessible
foreach (var f in beatmapSet.Files)
{
if (!storage.Exists(f.FileInfo.StoragePath))
{
using (Stream s = reader.GetStream(f.Filename))
files.Add(s, false);
}
}
return(beatmapSet);
}
List <BeatmapSetFileInfo> fileInfos = new List <BeatmapSetFileInfo>();
// import files to manager
foreach (string file in reader.Filenames)
{
using (Stream s = reader.GetStream(file))
fileInfos.Add(new BeatmapSetFileInfo
{
Filename = file,
FileInfo = files.Add(s)
});
}
BeatmapMetadata metadata;
using (var stream = new StreamReader(reader.GetStream(mapName)))
metadata = BeatmapDecoder.GetDecoder(stream).Decode(stream).Metadata;
beatmapSet = new BeatmapSetInfo
{
OnlineBeatmapSetID = metadata.OnlineBeatmapSetID,
Beatmaps = new List <BeatmapInfo>(),
Hash = hash,
Files = fileInfos,
Metadata = metadata
};
var mapNames = reader.Filenames.Where(f => f.EndsWith(".osu"));
foreach (var name in mapNames)
{
using (var raw = reader.GetStream(name))
using (var ms = new MemoryStream()) //we need a memory stream so we can seek and shit
using (var sr = new StreamReader(ms))
{
raw.CopyTo(ms);
ms.Position = 0;
var decoder = BeatmapDecoder.GetDecoder(sr);
Beatmap beatmap = decoder.Decode(sr);
beatmap.BeatmapInfo.Path = name;
beatmap.BeatmapInfo.Hash = ms.ComputeSHA2Hash();
beatmap.BeatmapInfo.MD5Hash = ms.ComputeMD5Hash();
// TODO: Diff beatmap metadata with set metadata and leave it here if necessary
beatmap.BeatmapInfo.Metadata = null;
// TODO: this should be done in a better place once we actually need to dynamically update it.
beatmap.BeatmapInfo.Ruleset = rulesets.Query <RulesetInfo>().FirstOrDefault(r => r.ID == beatmap.BeatmapInfo.RulesetID);
beatmap.BeatmapInfo.StarDifficulty = rulesets.Query <RulesetInfo>().FirstOrDefault(r => r.ID == beatmap.BeatmapInfo.RulesetID)?.CreateInstance()?.CreateDifficultyCalculator(beatmap)
.Calculate() ?? 0;
beatmapSet.Beatmaps.Add(beatmap.BeatmapInfo);
}
}
return(beatmapSet);
}
public virtual void SetDefaultsFromBeatmap(Beatmap beatmap)
{
}
/// <summary> /// Checks if a Beatmap can be converted using this Beatmap Converter. /// </summary> /// <param name="beatmap">The Beatmap to check.</param> /// <returns>Whether the Beatmap can be converted using this Beatmap Converter.</returns> public bool CanConvert(Beatmap beatmap) => ValidConversionTypes.All(t => beatmap.HitObjects.Any(t.IsInstanceOfType));