mirror of https://github.com/ppy/osu
69 lines
2.0 KiB
C#
69 lines
2.0 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.Framework.Bindables;
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namespace osu.Game.Beatmaps.ControlPoints
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{
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public class ControlPointGroup : IComparable<ControlPointGroup>, IEquatable<ControlPointGroup>
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{
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public event Action<ControlPoint>? ItemAdded;
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public event Action<ControlPoint>? ItemRemoved;
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/// <summary>
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/// The time at which the control point takes effect.
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/// </summary>
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public double Time { get; }
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public IBindableList<ControlPoint> ControlPoints => controlPoints;
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private readonly BindableList<ControlPoint> controlPoints = new BindableList<ControlPoint>();
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public ControlPointGroup(double time)
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{
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Time = time;
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}
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public int CompareTo(ControlPointGroup other) => Time.CompareTo(other.Time);
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public void Add(ControlPoint point)
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{
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var existing = controlPoints.FirstOrDefault(p => p.GetType() == point.GetType());
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if (existing != null)
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Remove(existing);
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point.AttachGroup(this);
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controlPoints.Add(point);
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ItemAdded?.Invoke(point);
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}
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public void Remove(ControlPoint point)
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{
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controlPoints.Remove(point);
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ItemRemoved?.Invoke(point);
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}
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public sealed override bool Equals(object? obj)
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=> obj is ControlPointGroup otherGroup
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&& Equals(otherGroup);
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public virtual bool Equals(ControlPointGroup? other)
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=> other != null
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&& Time == other.Time
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&& ControlPoints.SequenceEqual(other.ControlPoints);
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public override int GetHashCode()
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{
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HashCode hashCode = new HashCode();
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hashCode.Add(Time);
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foreach (var point in controlPoints)
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hashCode.Add(point);
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return hashCode.ToHashCode();
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}
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}
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}
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