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osu-lazer/osu.Game/Beatmaps/ControlPoints/ControlPoint.cs

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// 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.
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using System;
namespace osu.Game.Beatmaps.ControlPoints
{
public abstract class ControlPoint : IComparable<ControlPoint>, IEquatable<ControlPoint>
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{
/// <summary>
/// The time at which the control point takes effect.
/// </summary>
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public double Time => controlPointGroup?.Time ?? 0;
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private ControlPointGroup controlPointGroup;
public void AttachGroup(ControlPointGroup pointGroup) => this.controlPointGroup = pointGroup;
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public int CompareTo(ControlPoint other) => Time.CompareTo(other.Time);
/// <summary>
/// Whether this control point is equivalent to another, ignoring time.
/// </summary>
/// <param name="other">Another control point to compare with.</param>
/// <returns>Whether equivalent.</returns>
public abstract bool EquivalentTo(ControlPoint other);
public bool Equals(ControlPoint other) => Time.Equals(other?.Time) && EquivalentTo(other);
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}
}