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osu-lazer/osu.Game/Beatmaps/DummyWorkingBeatmap.cs

99 lines
3.3 KiB
C#

// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
#nullable disable
using System;
using System.Collections.Generic;
using System.IO;
using System.Threading;
using JetBrains.Annotations;
using osu.Framework.Audio;
using osu.Framework.Audio.Track;
using osu.Framework.Extensions.IEnumerableExtensions;
using osu.Framework.Graphics.Textures;
using osu.Game.Rulesets;
using osu.Game.Rulesets.Difficulty;
using osu.Game.Rulesets.Mods;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.UI;
using osu.Game.Skinning;
namespace osu.Game.Beatmaps
{
public class DummyWorkingBeatmap : WorkingBeatmap
{
private readonly TextureStore textures;
public DummyWorkingBeatmap([NotNull] AudioManager audio, TextureStore textures)
: base(new BeatmapInfo
{
Metadata = new BeatmapMetadata
{
Artist = "please load a beatmap!",
Title = "no beatmaps available!"
},
BeatmapSet = new BeatmapSetInfo(),
Difficulty = new BeatmapDifficulty
{
DrainRate = 0,
CircleSize = 0,
OverallDifficulty = 0,
},
Ruleset = new DummyRuleset().RulesetInfo
}, audio)
{
this.textures = textures;
// We are guaranteed to have a virtual track.
// To ease usability, ensure the track is available from point of construction.
LoadTrack();
}
protected override IBeatmap GetBeatmap() => new Beatmap();
protected override Texture GetBackground() => textures?.Get(@"Backgrounds/bg4");
protected override Track GetBeatmapTrack() => GetVirtualTrack();
protected internal override ISkin GetSkin() => null;
public override Stream GetStream(string storagePath) => null;
private class DummyRuleset : Ruleset
{
public override IEnumerable<Mod> GetModsFor(ModType type) => Array.Empty<Mod>();
public override DrawableRuleset CreateDrawableRulesetWith(IBeatmap beatmap, IReadOnlyList<Mod> mods = null)
{
throw new NotImplementedException();
}
public override IBeatmapConverter CreateBeatmapConverter(IBeatmap beatmap) => new DummyBeatmapConverter { Beatmap = beatmap };
public override DifficultyCalculator CreateDifficultyCalculator(IWorkingBeatmap beatmap) => null;
public override string Description => "dummy";
public override string ShortName => "dummy";
private class DummyBeatmapConverter : IBeatmapConverter
{
public event Action<HitObject, IEnumerable<HitObject>> ObjectConverted;
public IBeatmap Beatmap { get; set; }
public bool CanConvert() => true;
public IBeatmap Convert(CancellationToken cancellationToken = default)
{
foreach (var obj in Beatmap.HitObjects)
ObjectConverted?.Invoke(obj, obj.Yield());
return Beatmap;
}
}
}
}
}