mirror of https://github.com/ppy/osu
78 lines
2.5 KiB
C#
78 lines
2.5 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.Collections.Generic;
|
|
using System.Linq;
|
|
using osu.Framework.Bindables;
|
|
using osu.Framework.Timing;
|
|
using osu.Framework.Utils;
|
|
|
|
namespace osu.Game.Screens.Play
|
|
{
|
|
/// <summary>
|
|
/// A clock which is used for gameplay elements that need to follow audio time 1:1.
|
|
/// Exposed via DI by <see cref="GameplayClockContainer"/>.
|
|
/// <remarks>
|
|
/// The main purpose of this clock is to stop components using it from accidentally processing the main
|
|
/// <see cref="IFrameBasedClock"/>, as this should only be done once to ensure accuracy.
|
|
/// </remarks>
|
|
/// </summary>
|
|
public class GameplayClock : IFrameBasedClock
|
|
{
|
|
internal readonly IFrameBasedClock UnderlyingClock;
|
|
|
|
public readonly BindableBool IsPaused = new BindableBool();
|
|
|
|
/// <summary>
|
|
/// All adjustments applied to this clock which don't come from gameplay or mods.
|
|
/// </summary>
|
|
public virtual IEnumerable<Bindable<double>> NonGameplayAdjustments => Enumerable.Empty<Bindable<double>>();
|
|
|
|
public GameplayClock(IFrameBasedClock underlyingClock)
|
|
{
|
|
UnderlyingClock = underlyingClock;
|
|
}
|
|
|
|
public double CurrentTime => UnderlyingClock.CurrentTime;
|
|
|
|
public double Rate => UnderlyingClock.Rate;
|
|
|
|
/// <summary>
|
|
/// The rate of gameplay when playback is at 100%.
|
|
/// This excludes any seeking / user adjustments.
|
|
/// </summary>
|
|
public double TrueGameplayRate
|
|
{
|
|
get
|
|
{
|
|
double baseRate = Rate;
|
|
|
|
foreach (var adjustment in NonGameplayAdjustments)
|
|
{
|
|
if (Precision.AlmostEquals(adjustment.Value, 0))
|
|
return 0;
|
|
|
|
baseRate /= adjustment.Value;
|
|
}
|
|
|
|
return baseRate;
|
|
}
|
|
}
|
|
|
|
public bool IsRunning => UnderlyingClock.IsRunning;
|
|
|
|
public void ProcessFrame()
|
|
{
|
|
// intentionally not updating the underlying clock (handled externally).
|
|
}
|
|
|
|
public double ElapsedFrameTime => UnderlyingClock.ElapsedFrameTime;
|
|
|
|
public double FramesPerSecond => UnderlyingClock.FramesPerSecond;
|
|
|
|
public FrameTimeInfo TimeInfo => UnderlyingClock.TimeInfo;
|
|
|
|
public IClock Source => UnderlyingClock;
|
|
}
|
|
}
|