osu/osu.Game/Beatmaps/WorkingBeatmap_VirtualBeatm...

42 lines
1.3 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 System.Linq;
using osu.Framework.Audio.Track;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Objects.Types;
namespace osu.Game.Beatmaps
{
public partial class WorkingBeatmap
{
/// <summary>
/// A type of <see cref="TrackVirtual"/> which provides a valid length based on the <see cref="HitObject"/>s of an <see cref="IBeatmap"/>.
/// </summary>
protected class VirtualBeatmapTrack : TrackVirtual
{
private const double excess_length = 1000;
public VirtualBeatmapTrack(IBeatmap beatmap)
{
var lastObject = beatmap.HitObjects.LastOrDefault();
switch (lastObject)
{
case null:
Length = excess_length;
break;
case IHasEndTime endTime:
Length = endTime.EndTime + excess_length;
break;
default:
Length = lastObject.StartTime + excess_length;
break;
}
}
}
}
}