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Merge pull request #5961 from jorolf/background-beat

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Add a 60bpm beat when no beatmap is playing
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Dan Balasescu 2019-09-03 11:49:19 +09:00 committed by GitHub
commit 6a3f210766
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 65 additions and 12 deletions
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10
osu.Game.Tests/Visual/UserInterface/TestSceneBeatSyncedContainer.cs
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@ -2,6 +2,7 @@
// See the LICENCE file in the repository root for full licence text.
using System;
using System.Collections.Generic;
using NUnit.Framework;
using osu.Framework.Allocation;
using osu.Framework.Audio.Track;
@ -25,6 +26,11 @@ namespace osu.Game.Tests.Visual.UserInterface
{
private readonly NowPlayingOverlay np;
public override IReadOnlyList<Type> RequiredTypes => new[]
{
typeof(BeatSyncedContainer)
};
[Cached]
private MusicController musicController = new MusicController();
@ -154,7 +160,9 @@ namespace osu.Game.Tests.Visual.UserInterface
if (timingPoints[timingPoints.Count - 1] == current)
return current;
return timingPoints[timingPoints.IndexOf(current) + 1];
int index = timingPoints.IndexOf(current); // -1 means that this is a "default beat"
return index == -1 ? current : timingPoints[index + 1];
}
private int calculateBeatCount(TimingControlPoint current)

67
osu.Game/Graphics/Containers/BeatSyncedContainer.cs
View File

@ -33,23 +33,46 @@ namespace osu.Game.Graphics.Containers
/// </summary>
public double TimeSinceLastBeat { get; private set; }
/// <summary>
/// Default length of a beat in milliseconds. Used whenever there is no beatmap or track playing.
/// </summary>
private const double default_beat_length = 60000.0 / 60.0;
private TimingControlPoint defaultTiming;
private EffectControlPoint defaultEffect;
private TrackAmplitudes defaultAmplitudes;
protected override void Update()
{
if (!Beatmap.Value.TrackLoaded || !Beatmap.Value.BeatmapLoaded) return;
Track track = null;
IBeatmap beatmap = null;
var track = Beatmap.Value.Track;
var beatmap = Beatmap.Value.Beatmap;
double currentTrackTime;
TimingControlPoint timingPoint;
EffectControlPoint effectPoint;
if (track == null || beatmap == null)
return;
if (Beatmap.Value.TrackLoaded && Beatmap.Value.BeatmapLoaded)
{
track = Beatmap.Value.Track;
beatmap = Beatmap.Value.Beatmap;
}
double currentTrackTime = track.Length > 0 ? track.CurrentTime + EarlyActivationMilliseconds : Clock.CurrentTime;
if (track != null && beatmap != null && track.IsRunning)
{
currentTrackTime = track.Length > 0 ? track.CurrentTime + EarlyActivationMilliseconds : Clock.CurrentTime;
TimingControlPoint timingPoint = beatmap.ControlPointInfo.TimingPointAt(currentTrackTime);
EffectControlPoint effectPoint = beatmap.ControlPointInfo.EffectPointAt(currentTrackTime);
timingPoint = beatmap.ControlPointInfo.TimingPointAt(currentTrackTime);
effectPoint = beatmap.ControlPointInfo.EffectPointAt(currentTrackTime);
if (timingPoint.BeatLength == 0)
return;
if (timingPoint.BeatLength == 0)
return;
}
else
{
currentTrackTime = Clock.CurrentTime;
timingPoint = defaultTiming;
effectPoint = defaultEffect;
}
int beatIndex = (int)((currentTrackTime - timingPoint.Time) / timingPoint.BeatLength);
@ -67,7 +90,7 @@ namespace osu.Game.Graphics.Containers
return;
using (BeginDelayedSequence(-TimeSinceLastBeat, true))
OnNewBeat(beatIndex, timingPoint, effectPoint, track.CurrentAmplitudes);
OnNewBeat(beatIndex, timingPoint, effectPoint, track?.CurrentAmplitudes ?? defaultAmplitudes);
lastBeat = beatIndex;
lastTimingPoint = timingPoint;
@ -77,6 +100,28 @@ namespace osu.Game.Graphics.Containers
private void load(IBindable<WorkingBeatmap> beatmap)
{
Beatmap.BindTo(beatmap);
defaultTiming = new TimingControlPoint
{
BeatLength = default_beat_length,
AutoGenerated = true,
Time = 0
};
defaultEffect = new EffectControlPoint
{
Time = 0,
AutoGenerated = true,
KiaiMode = false,
OmitFirstBarLine = false
};
defaultAmplitudes = new TrackAmplitudes
{
FrequencyAmplitudes = new float[256],
LeftChannel = 0,
RightChannel = 0
};
}
protected virtual void OnNewBeat(int beatIndex, TimingControlPoint timingPoint, EffectControlPoint effectPoint, TrackAmplitudes amplitudes)