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33 lines
1.0 KiB
C#
33 lines
1.0 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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#nullable disable
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using System;
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using System.Linq;
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using osu.Framework.Extensions.IEnumerableExtensions;
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using osu.Framework.Utils;
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using osu.Game.Beatmaps;
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using osu.Game.Rulesets.Mania.Beatmaps;
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using osu.Game.Rulesets.Mania.Objects;
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using osu.Game.Rulesets.Mods;
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namespace osu.Game.Rulesets.Mania.Mods
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{
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public class ManiaModRandom : ModRandom, IApplicableToBeatmap
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{
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public override string Description => @"Shuffle around the keys!";
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public void ApplyToBeatmap(IBeatmap beatmap)
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{
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Seed.Value ??= RNG.Next();
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var rng = new Random((int)Seed.Value);
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int availableColumns = ((ManiaBeatmap)beatmap).TotalColumns;
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var shuffledColumns = Enumerable.Range(0, availableColumns).OrderBy(_ => rng.Next()).ToList();
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beatmap.HitObjects.OfType<ManiaHitObject>().ForEach(h => h.Column = shuffledColumns[h.Column]);
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}
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}
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}
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