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Storyboards implementation.

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Damnae
2017-09-07 23:55:05 +02:00
parent c2b16dae10
commit e547416193
20 changed files with 925 additions and 25 deletions
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osu.Game/Storyboards/CommandTimeline.cs Normal file
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// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using osu.Framework.Caching;
using osu.Framework.Graphics;
using System.Collections.Generic;
using System.Linq;
namespace osu.Game.Storyboards
{
public class CommandTimeline<T> : CommandTimeline
{
private readonly List<Command> commands = new List<Command>();
public IEnumerable<Command> Commands => commands.OrderBy(c => c.StartTime);
public bool HasCommands => commands.Count > 0;
private Cached<double> startTimeBacking;
public double StartTime => startTimeBacking.IsValid ? startTimeBacking : (startTimeBacking.Value = HasCommands ? commands.Min(c => c.StartTime) : double.MinValue);
private Cached<double> endTimeBacking;
public double EndTime => endTimeBacking.IsValid ? endTimeBacking : (endTimeBacking.Value = HasCommands ? commands.Max(c => c.EndTime) : double.MaxValue);
public T StartValue => HasCommands ? commands.OrderBy(c => c.StartTime).First().StartValue : default(T);
public T EndValue => HasCommands ? commands.OrderByDescending(c => c.EndTime).First().EndValue : default(T);
public void Add(Easing easing, double startTime, double endTime, T startValue, T endValue)
{
if (endTime < startTime)
return;
commands.Add(new Command { Easing = easing, StartTime = startTime, EndTime = endTime, StartValue = startValue, EndValue = endValue, });
startTimeBacking.Invalidate();
endTimeBacking.Invalidate();
}
public override string ToString()
=> $"{commands.Count} command(s)";
public class Command
{
public Easing Easing;
public double StartTime;
public double EndTime;
public T StartValue;
public T EndValue;
public double Duration => EndTime - StartTime;
public override string ToString()
=> $"{StartTime} -> {EndTime}, {StartValue} -> {EndValue} {Easing}";
}
}
public interface CommandTimeline
{
double StartTime { get; }
double EndTime { get; }
bool HasCommands { get; }
}
}