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141 lines
3.9 KiB
C#
141 lines
3.9 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.Collections.Generic;
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using System.Threading;
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using osu.Game.Audio;
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using osu.Game.Beatmaps;
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using osu.Game.Beatmaps.ControlPoints;
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using osu.Game.Rulesets.Judgements;
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using osu.Game.Rulesets.Objects.Types;
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using osu.Game.Rulesets.Scoring;
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namespace osu.Game.Rulesets.Mania.Objects
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{
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/// <summary>
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/// Represents a hit object which requires pressing, holding, and releasing a key.
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/// </summary>
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public class HoldNote : ManiaHitObject, IHasDuration
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{
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public double EndTime
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{
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get => StartTime + Duration;
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set => Duration = value - StartTime;
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}
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private double duration;
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public double Duration
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{
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get => duration;
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set
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{
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duration = value;
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if (Tail != null)
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Tail.StartTime = EndTime;
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}
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}
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public override double StartTime
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{
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get => base.StartTime;
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set
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{
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base.StartTime = value;
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if (Head != null)
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Head.StartTime = value;
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if (Tail != null)
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Tail.StartTime = EndTime;
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}
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}
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public override int Column
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{
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get => base.Column;
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set
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{
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base.Column = value;
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if (Head != null)
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Head.Column = value;
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if (Tail != null)
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Tail.Column = value;
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}
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}
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public IList<IList<HitSampleInfo>> NodeSamples { get; set; }
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/// <summary>
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/// The head note of the hold.
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/// </summary>
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public HeadNote Head { get; private set; }
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/// <summary>
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/// The tail note of the hold.
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/// </summary>
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public TailNote Tail { get; private set; }
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/// <summary>
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/// The time between ticks of this hold.
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/// </summary>
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private double tickSpacing = 50;
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protected override void ApplyDefaultsToSelf(ControlPointInfo controlPointInfo, IBeatmapDifficultyInfo difficulty)
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{
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base.ApplyDefaultsToSelf(controlPointInfo, difficulty);
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TimingControlPoint timingPoint = controlPointInfo.TimingPointAt(StartTime);
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tickSpacing = timingPoint.BeatLength / difficulty.SliderTickRate;
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}
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protected override void CreateNestedHitObjects(CancellationToken cancellationToken)
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{
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base.CreateNestedHitObjects(cancellationToken);
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createTicks(cancellationToken);
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AddNested(Head = new HeadNote
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{
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StartTime = StartTime,
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Column = Column,
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Samples = GetNodeSamples(0),
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});
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AddNested(Tail = new TailNote
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{
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StartTime = EndTime,
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Column = Column,
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Samples = GetNodeSamples((NodeSamples?.Count - 1) ?? 1),
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});
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}
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private void createTicks(CancellationToken cancellationToken)
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{
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if (tickSpacing == 0)
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return;
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for (double t = StartTime + tickSpacing; t <= EndTime - tickSpacing; t += tickSpacing)
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{
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cancellationToken.ThrowIfCancellationRequested();
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AddNested(new HoldNoteTick
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{
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StartTime = t,
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Column = Column
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});
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}
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}
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public override Judgement CreateJudgement() => new IgnoreJudgement();
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protected override HitWindows CreateHitWindows() => HitWindows.Empty;
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public IList<HitSampleInfo> GetNodeSamples(int nodeIndex) =>
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nodeIndex < NodeSamples?.Count ? NodeSamples[nodeIndex] : Samples;
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}
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}
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