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https://github.com/ppy/osu
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74 lines
2.6 KiB
C#
74 lines
2.6 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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using System;
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using System.Linq;
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using osu.Game.Beatmaps;
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using osu.Game.Rulesets.Mania.Objects;
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using osu.Game.Rulesets.Mods;
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using osu.Framework.Graphics.Sprites;
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using System.Collections.Generic;
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using osu.Framework.Localisation;
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using osu.Game.Rulesets.Mania.Beatmaps;
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namespace osu.Game.Rulesets.Mania.Mods
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{
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public class ManiaModHoldOff : Mod, IApplicableAfterBeatmapConversion
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{
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public override string Name => "Hold Off";
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public override string Acronym => "HO";
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public override double ScoreMultiplier => 1;
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public override LocalisableString Description => @"Replaces all hold notes with normal notes.";
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public override IconUsage? Icon => FontAwesome.Solid.DotCircle;
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public override ModType Type => ModType.Conversion;
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public override Type[] IncompatibleMods => new[] { typeof(ManiaModInvert) };
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public const double END_NOTE_ALLOW_THRESHOLD = 0.5;
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public void ApplyToBeatmap(IBeatmap beatmap)
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{
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var maniaBeatmap = (ManiaBeatmap)beatmap;
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var newObjects = new List<ManiaHitObject>();
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foreach (var h in beatmap.HitObjects.OfType<HoldNote>())
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{
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// Add a note for the beginning of the hold note
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newObjects.Add(new Note
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{
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Column = h.Column,
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StartTime = h.StartTime,
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Samples = h.GetNodeSamples(0)
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});
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// Don't add an end note if the duration is shorter than the threshold
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double noteValue = GetNoteDurationInBeatLength(h, maniaBeatmap); // 1/1, 1/2, 1/4, etc.
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if (noteValue >= END_NOTE_ALLOW_THRESHOLD)
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{
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newObjects.Add(new Note
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{
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Column = h.Column,
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StartTime = h.EndTime,
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Samples = h.GetNodeSamples((h.NodeSamples?.Count - 1) ?? 1)
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});
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}
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}
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maniaBeatmap.HitObjects = maniaBeatmap.HitObjects.OfType<Note>().Concat(newObjects).OrderBy(h => h.StartTime).ToList();
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}
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public static double GetNoteDurationInBeatLength(HoldNote holdNote, ManiaBeatmap beatmap)
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{
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double beatLength = beatmap.ControlPointInfo.TimingPointAt(holdNote.StartTime).BeatLength;
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return holdNote.Duration / beatLength;
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}
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}
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}
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