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89 lines
2.3 KiB
C#
89 lines
2.3 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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#nullable enable
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using System;
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using osu.Framework.Bindables;
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using osu.Framework.Timing;
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namespace osu.Game.Screens.OnlinePlay.Multiplayer.Spectate
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{
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/// <summary>
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/// A <see cref="ISpectatorPlayerClock"/> which catches up using rate adjustment.
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/// </summary>
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public class CatchUpSpectatorPlayerClock : ISpectatorPlayerClock
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{
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/// <summary>
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/// The catch up rate.
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/// </summary>
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public const double CATCHUP_RATE = 2;
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/// <summary>
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/// The source clock.
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/// </summary>
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public IFrameBasedClock? Source { get; set; }
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public double CurrentTime { get; private set; }
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public bool IsRunning { get; private set; }
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public void Reset() => CurrentTime = 0;
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public void Start() => IsRunning = true;
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public void Stop() => IsRunning = false;
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public bool Seek(double position)
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{
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CurrentTime = position;
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return true;
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}
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public void ResetSpeedAdjustments()
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{
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}
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public double Rate => IsCatchingUp ? CATCHUP_RATE : 1;
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double IAdjustableClock.Rate
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{
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get => Rate;
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set => throw new NotSupportedException();
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}
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double IClock.Rate => Rate;
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public void ProcessFrame()
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{
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ElapsedFrameTime = 0;
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FramesPerSecond = 0;
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if (Source == null)
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return;
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Source.ProcessFrame();
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if (IsRunning)
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{
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double elapsedSource = Source.ElapsedFrameTime;
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double elapsed = elapsedSource * Rate;
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CurrentTime += elapsed;
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ElapsedFrameTime = elapsed;
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FramesPerSecond = Source.FramesPerSecond;
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}
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}
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public double ElapsedFrameTime { get; private set; }
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public double FramesPerSecond { get; private set; }
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public FrameTimeInfo TimeInfo => new FrameTimeInfo { Elapsed = ElapsedFrameTime, Current = CurrentTime };
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public Bindable<bool> WaitingOnFrames { get; } = new Bindable<bool>(true);
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public bool IsCatchingUp { get; set; }
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}
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}
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