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

27 lines
950 B
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.
using System.Linq;
using osu.Framework.Extensions.IEnumerableExtensions;
using osu.Framework.Utils;
using osu.Game.Beatmaps;
using osu.Game.Rulesets.Mania.Beatmaps;
using osu.Game.Rulesets.Mania.Objects;
using osu.Game.Rulesets.Mods;
namespace osu.Game.Rulesets.Mania.Mods
{
public class ManiaModRandom : ModRandom, IApplicableToBeatmap
{
public override string Description => @"Shuffle around the keys!";
public void ApplyToBeatmap(IBeatmap beatmap)
{
var availableColumns = ((ManiaBeatmap)beatmap).TotalColumns;
var shuffledColumns = Enumerable.Range(0, availableColumns).OrderBy(item => RNG.Next()).ToList();
beatmap.HitObjects.OfType<ManiaHitObject>().ForEach(h => h.Column = shuffledColumns[h.Column]);
}
}
}