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Merge pull request #9603 from peppy/control-point-less-construction

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Use static instances in all fallback ControlPoint lookups to reduce allocations
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Dan Balasescu 2020-07-20 14:09:23 +09:00 committed by GitHub
commit d0aa30680f
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6 changed files with 45 additions and 32 deletions
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22
osu.Game/Beatmaps/ControlPoints/ControlPointInfo.cs
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@ -64,49 +64,49 @@ namespace osu.Game.Beatmaps.ControlPoints
/// </summary>
/// <param name="time">The time to find the difficulty control point at.</param>
/// <returns>The difficulty control point.</returns>
public DifficultyControlPoint DifficultyPointAt(double time) => binarySearchWithFallback(DifficultyPoints, time);
public DifficultyControlPoint DifficultyPointAt(double time) => binarySearchWithFallback(DifficultyPoints, time, DifficultyControlPoint.DEFAULT);
/// <summary>
/// Finds the effect control point that is active at <paramref name="time"/>.
/// </summary>
/// <param name="time">The time to find the effect control point at.</param>
/// <returns>The effect control point.</returns>
public EffectControlPoint EffectPointAt(double time) => binarySearchWithFallback(EffectPoints, time);
public EffectControlPoint EffectPointAt(double time) => binarySearchWithFallback(EffectPoints, time, EffectControlPoint.DEFAULT);
/// <summary>
/// Finds the sound control point that is active at <paramref name="time"/>.
/// </summary>
/// <param name="time">The time to find the sound control point at.</param>
/// <returns>The sound control point.</returns>
public SampleControlPoint SamplePointAt(double time) => binarySearchWithFallback(SamplePoints, time, SamplePoints.Count > 0 ? SamplePoints[0] : null);
public SampleControlPoint SamplePointAt(double time) => binarySearchWithFallback(SamplePoints, time, SamplePoints.Count > 0 ? SamplePoints[0] : SampleControlPoint.DEFAULT);
/// <summary>
/// Finds the timing control point that is active at <paramref name="time"/>.
/// </summary>
/// <param name="time">The time to find the timing control point at.</param>
/// <returns>The timing control point.</returns>
public TimingControlPoint TimingPointAt(double time) => binarySearchWithFallback(TimingPoints, time, TimingPoints.Count > 0 ? TimingPoints[0] : null);
public TimingControlPoint TimingPointAt(double time) => binarySearchWithFallback(TimingPoints, time, TimingPoints.Count > 0 ? TimingPoints[0] : TimingControlPoint.DEFAULT);
/// <summary>
/// Finds the maximum BPM represented by any timing control point.
/// </summary>
[JsonIgnore]
public double BPMMaximum =>
60000 / (TimingPoints.OrderBy(c => c.BeatLength).FirstOrDefault() ?? new TimingControlPoint()).BeatLength;
60000 / (TimingPoints.OrderBy(c => c.BeatLength).FirstOrDefault() ?? TimingControlPoint.DEFAULT).BeatLength;
/// <summary>
/// Finds the minimum BPM represented by any timing control point.
/// </summary>
[JsonIgnore]
public double BPMMinimum =>
60000 / (TimingPoints.OrderByDescending(c => c.BeatLength).FirstOrDefault() ?? new TimingControlPoint()).BeatLength;
60000 / (TimingPoints.OrderByDescending(c => c.BeatLength).FirstOrDefault() ?? TimingControlPoint.DEFAULT).BeatLength;
/// <summary>
/// Finds the mode BPM (most common BPM) represented by the control points.
/// </summary>
[JsonIgnore]
public double BPMMode =>
60000 / (TimingPoints.GroupBy(c => c.BeatLength).OrderByDescending(grp => grp.Count()).FirstOrDefault()?.FirstOrDefault() ?? new TimingControlPoint()).BeatLength;
60000 / (TimingPoints.GroupBy(c => c.BeatLength).OrderByDescending(grp => grp.Count()).FirstOrDefault()?.FirstOrDefault() ?? TimingControlPoint.DEFAULT).BeatLength;
/// <summary>
/// Remove all <see cref="ControlPointGroup"/>s and return to a pristine state.
@ -170,12 +170,12 @@ namespace osu.Game.Beatmaps.ControlPoints
/// </summary>
/// <param name="list">The list to search.</param>
/// <param name="time">The time to find the control point at.</param>
/// <param name="prePoint">The control point to use when <paramref name="time"/> is before any control points. If null, a new control point will be constructed.</param>
/// <param name="fallback">The control point to use when <paramref name="time"/> is before any control points.</param>
/// <returns>The active control point at <paramref name="time"/>, or a fallback <see cref="ControlPoint"/> if none found.</returns>
private T binarySearchWithFallback<T>(IReadOnlyList<T> list, double time, T prePoint = null)
where T : ControlPoint, new()
private T binarySearchWithFallback<T>(IReadOnlyList<T> list, double time, T fallback)
where T : ControlPoint
{
return binarySearch(list, time) ?? prePoint ?? new T();
return binarySearch(list, time) ?? fallback;
}
/// <summary>

5
osu.Game/Beatmaps/ControlPoints/DifficultyControlPoint.cs
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@ -7,6 +7,11 @@ namespace osu.Game.Beatmaps.ControlPoints
{
public class DifficultyControlPoint : ControlPoint
{
public static readonly DifficultyControlPoint DEFAULT = new DifficultyControlPoint
{
SpeedMultiplierBindable = { Disabled = true },
};
/// <summary>
/// The speed multiplier at this control point.
/// </summary>

6
osu.Game/Beatmaps/ControlPoints/EffectControlPoint.cs
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@ -7,6 +7,12 @@ namespace osu.Game.Beatmaps.ControlPoints
{
public class EffectControlPoint : ControlPoint
{
public static readonly EffectControlPoint DEFAULT = new EffectControlPoint
{
KiaiModeBindable = { Disabled = true },
OmitFirstBarLineBindable = { Disabled = true }
};
/// <summary>
/// Whether the first bar line of this control point is ignored.
/// </summary>

6
osu.Game/Beatmaps/ControlPoints/SampleControlPoint.cs
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@ -10,6 +10,12 @@ namespace osu.Game.Beatmaps.ControlPoints
{
public const string DEFAULT_BANK = "normal";
public static readonly SampleControlPoint DEFAULT = new SampleControlPoint
{
SampleBankBindable = { Disabled = true },
SampleVolumeBindable = { Disabled = true }
};
/// <summary>
/// The default sample bank at this control point.
/// </summary>

15
osu.Game/Beatmaps/ControlPoints/TimingControlPoint.cs
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@ -13,6 +13,21 @@ namespace osu.Game.Beatmaps.ControlPoints
/// </summary>
public readonly Bindable<TimeSignatures> TimeSignatureBindable = new Bindable<TimeSignatures>(TimeSignatures.SimpleQuadruple) { Default = TimeSignatures.SimpleQuadruple };
/// <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;
public static readonly TimingControlPoint DEFAULT = new TimingControlPoint
{
BeatLengthBindable =
{
Value = default_beat_length,
Disabled = true
},
TimeSignatureBindable = { Disabled = true }
};
/// <summary>
/// The time signature at this control point.
/// </summary>

23
osu.Game/Graphics/Containers/BeatSyncedContainer.cs
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@ -43,14 +43,6 @@ namespace osu.Game.Graphics.Containers
/// </summary>
public double MinimumBeatLength { get; 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;
protected bool IsBeatSyncedWithTrack { get; private set; }
protected override void Update()
@ -81,8 +73,8 @@ namespace osu.Game.Graphics.Containers
if (timingPoint == null || !IsBeatSyncedWithTrack)
{
currentTrackTime = Clock.CurrentTime;
timingPoint = defaultTiming;
effectPoint = defaultEffect;
timingPoint = TimingControlPoint.DEFAULT;
effectPoint = EffectControlPoint.DEFAULT;
}
double beatLength = timingPoint.BeatLength / Divisor;
@ -116,17 +108,6 @@ namespace osu.Game.Graphics.Containers
private void load(IBindable<WorkingBeatmap> beatmap)
{
Beatmap.BindTo(beatmap);
defaultTiming = new TimingControlPoint
{
BeatLength = default_beat_length,
};
defaultEffect = new EffectControlPoint
{
KiaiMode = false,
OmitFirstBarLine = false
};
}
protected virtual void OnNewBeat(int beatIndex, TimingControlPoint timingPoint, EffectControlPoint effectPoint, ChannelAmplitudes amplitudes)