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osu-lazer/osu.Game.Rulesets.Mania/Mods/ManiaModRandom.cs

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// 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.
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using System.Linq;
using osu.Framework.Extensions.IEnumerableExtensions;
using osu.Framework.Graphics.Sprites;
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using osu.Framework.MathUtils;
using osu.Game.Beatmaps;
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using osu.Game.Graphics;
using osu.Game.Rulesets.Mania.Beatmaps;
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using osu.Game.Rulesets.Mania.Objects;
using osu.Game.Rulesets.Mods;
namespace osu.Game.Rulesets.Mania.Mods
{
public class ManiaModRandom : Mod, IApplicableToBeatmap<ManiaHitObject>
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{
public override string Name => "Random";
public override string Acronym => "RD";
public override ModType Type => ModType.Conversion;
public override IconUsage Icon => OsuIcon.Dice;
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public override string Description => @"Shuffle around the keys!";
public override double ScoreMultiplier => 1;
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public void ApplyToBeatmap(Beatmap<ManiaHitObject> beatmap)
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{
var availableColumns = ((ManiaBeatmap)beatmap).TotalColumns;
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var shuffledColumns = Enumerable.Range(0, availableColumns).OrderBy(item => RNG.Next()).ToList();
beatmap.HitObjects.OfType<ManiaHitObject>().ForEach(h => h.Column = shuffledColumns[h.Column]);
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}
}
}