osu/osu.Game.Rulesets.Mania/Objects/HoldNote.cs

104 lines
2.8 KiB
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 osu.Game.Beatmaps;
using osu.Game.Beatmaps.ControlPoints;
using osu.Game.Rulesets.Judgements;
using osu.Game.Rulesets.Mania.Judgements;
using osu.Game.Rulesets.Objects.Types;
namespace osu.Game.Rulesets.Mania.Objects
{
/// <summary>
/// Represents a hit object which requires pressing, holding, and releasing a key.
/// </summary>
public class HoldNote : ManiaHitObject, IHasEndTime
{
public double EndTime => StartTime + Duration;
private double duration;
public double Duration
{
get => duration;
set
{
duration = value;
Tail.StartTime = EndTime;
}
}
public override double StartTime
{
get => base.StartTime;
set
{
base.StartTime = value;
Head.StartTime = value;
Tail.StartTime = EndTime;
}
}
public override int Column
{
get => base.Column;
set
{
base.Column = value;
Head.Column = value;
Tail.Column = value;
}
}
/// <summary>
/// The head note of the hold.
/// </summary>
public readonly Note Head = new Note();
/// <summary>
/// The tail note of the hold.
/// </summary>
public readonly TailNote Tail = new TailNote();
/// <summary>
/// The time between ticks of this hold.
/// </summary>
private double tickSpacing = 50;
protected override void ApplyDefaultsToSelf(ControlPointInfo controlPointInfo, BeatmapDifficulty difficulty)
{
base.ApplyDefaultsToSelf(controlPointInfo, difficulty);
TimingControlPoint timingPoint = controlPointInfo.TimingPointAt(StartTime);
tickSpacing = timingPoint.BeatLength / difficulty.SliderTickRate;
}
protected override void CreateNestedHitObjects()
{
base.CreateNestedHitObjects();
createTicks();
AddNested(Head);
AddNested(Tail);
}
private void createTicks()
{
if (tickSpacing == 0)
return;
for (double t = StartTime + tickSpacing; t <= EndTime - tickSpacing; t += tickSpacing)
{
AddNested(new HoldNoteTick
{
StartTime = t,
Column = Column
});
}
}
public override Judgement CreateJudgement() => new HoldNoteJudgement();
}
}