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// 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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2018-04-13 09:19:50 +00:00
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2022-06-17 07:37:17 +00:00
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#nullable disable
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2017-09-07 21:55:05 +00:00
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using osu.Framework.Graphics;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace osu.Game.Storyboards
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{
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public class CommandTimeline<T> : ICommandTimeline
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{
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private readonly List<TypedCommand> commands = new List<TypedCommand>();
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public IEnumerable<TypedCommand> Commands => commands.OrderBy(c => c.StartTime);
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public bool HasCommands => commands.Count > 0;
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public double StartTime { get; private set; } = double.MaxValue;
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public double EndTime { get; private set; } = double.MinValue;
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public T StartValue { get; private set; }
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public T EndValue { get; private set; }
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public void Add(Easing easing, double startTime, double endTime, T startValue, T endValue)
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{
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if (endTime < startTime)
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{
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endTime = startTime;
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}
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commands.Add(new TypedCommand { Easing = easing, StartTime = startTime, EndTime = endTime, StartValue = startValue, EndValue = endValue });
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if (startTime < StartTime)
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{
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StartValue = startValue;
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StartTime = startTime;
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}
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if (endTime > EndTime)
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{
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EndValue = endValue;
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EndTime = endTime;
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}
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}
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public override string ToString()
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=> $"{commands.Count} command(s)";
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public class TypedCommand : ICommand
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{
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public Easing Easing { get; set; }
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public double StartTime { get; set; }
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public double EndTime { get; set; }
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public double Duration => EndTime - StartTime;
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public T StartValue;
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public T EndValue;
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public int CompareTo(ICommand other)
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{
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int result = StartTime.CompareTo(other.StartTime);
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if (result != 0) return result;
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return EndTime.CompareTo(other.EndTime);
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}
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public override string ToString()
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=> $"{StartTime} -> {EndTime}, {StartValue} -> {EndValue} {Easing}";
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}
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}
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public interface ICommandTimeline
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{
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double StartTime { get; }
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double EndTime { get; }
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bool HasCommands { get; }
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}
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public interface ICommand : IComparable<ICommand>
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{
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Easing Easing { get; set; }
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double StartTime { get; set; }
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double EndTime { get; set; }
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double Duration { get; }
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}
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}
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