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218 lines
7.3 KiB
C#
218 lines
7.3 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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using System;
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using NUnit.Framework;
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using osu.Framework.Bindables;
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using osu.Framework.Testing;
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using osu.Framework.Timing;
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using osu.Game.Screens.OnlinePlay.Multiplayer.Spectate;
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using osu.Game.Tests.Visual;
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namespace osu.Game.Tests.OnlinePlay
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{
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[HeadlessTest]
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public class TestSceneCatchUpSyncManager : OsuTestScene
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{
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private TestManualClock master;
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private CatchUpSyncManager syncManager;
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private TestSpectatorPlayerClock player1;
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private TestSpectatorPlayerClock player2;
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[SetUp]
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public void Setup()
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{
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syncManager = new CatchUpSyncManager(master = new TestManualClock());
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syncManager.AddPlayerClock(player1 = new TestSpectatorPlayerClock(1));
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syncManager.AddPlayerClock(player2 = new TestSpectatorPlayerClock(2));
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Schedule(() => Child = syncManager);
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}
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[Test]
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public void TestPlayerClocksStartWhenAllHaveFrames()
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{
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setWaiting(() => player1, false);
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assertPlayerClockState(() => player1, false);
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assertPlayerClockState(() => player2, false);
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setWaiting(() => player2, false);
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assertPlayerClockState(() => player1, true);
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assertPlayerClockState(() => player2, true);
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}
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[Test]
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public void TestReadyPlayersStartWhenReadyForMaximumDelayTime()
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{
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setWaiting(() => player1, false);
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AddWaitStep($"wait {CatchUpSyncManager.MAXIMUM_START_DELAY} milliseconds", (int)Math.Ceiling(CatchUpSyncManager.MAXIMUM_START_DELAY / TimePerAction));
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assertPlayerClockState(() => player1, true);
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assertPlayerClockState(() => player2, false);
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}
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[Test]
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public void TestPlayerClockDoesNotCatchUpWhenSlightlyOutOfSync()
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{
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setAllWaiting(false);
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setMasterTime(CatchUpSyncManager.SYNC_TARGET + 1);
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assertCatchingUp(() => player1, false);
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}
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[Test]
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public void TestPlayerClockStartsCatchingUpWhenTooFarBehind()
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{
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setAllWaiting(false);
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setMasterTime(CatchUpSyncManager.MAX_SYNC_OFFSET + 1);
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assertCatchingUp(() => player1, true);
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assertCatchingUp(() => player2, true);
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}
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[Test]
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public void TestPlayerClockKeepsCatchingUpWhenSlightlyOutOfSync()
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{
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setAllWaiting(false);
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setMasterTime(CatchUpSyncManager.MAX_SYNC_OFFSET + 1);
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setPlayerClockTime(() => player1, CatchUpSyncManager.SYNC_TARGET + 1);
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assertCatchingUp(() => player1, true);
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}
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[Test]
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public void TestPlayerClockStopsCatchingUpWhenInSync()
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{
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setAllWaiting(false);
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setMasterTime(CatchUpSyncManager.MAX_SYNC_OFFSET + 2);
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setPlayerClockTime(() => player1, CatchUpSyncManager.SYNC_TARGET);
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assertCatchingUp(() => player1, false);
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assertCatchingUp(() => player2, true);
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}
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[Test]
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public void TestPlayerClockDoesNotStopWhenSlightlyAhead()
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{
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setAllWaiting(false);
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setPlayerClockTime(() => player1, -CatchUpSyncManager.SYNC_TARGET);
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assertCatchingUp(() => player1, false);
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assertPlayerClockState(() => player1, true);
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}
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[Test]
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public void TestPlayerClockStopsWhenTooFarAheadAndStartsWhenBackInSync()
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{
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setAllWaiting(false);
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setPlayerClockTime(() => player1, -CatchUpSyncManager.SYNC_TARGET - 1);
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// This is a silent catchup, where IsCatchingUp = false but IsRunning = false also.
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assertCatchingUp(() => player1, false);
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assertPlayerClockState(() => player1, false);
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setMasterTime(1);
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assertCatchingUp(() => player1, false);
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assertPlayerClockState(() => player1, true);
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}
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[Test]
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public void TestInSyncPlayerClockDoesNotStartIfWaitingOnFrames()
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{
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setAllWaiting(false);
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assertPlayerClockState(() => player1, true);
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setWaiting(() => player1, true);
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assertPlayerClockState(() => player1, false);
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}
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private void setWaiting(Func<TestSpectatorPlayerClock> playerClock, bool waiting)
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=> AddStep($"set player clock {playerClock().Id} waiting = {waiting}", () => playerClock().WaitingOnFrames.Value = waiting);
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private void setAllWaiting(bool waiting) => AddStep($"set all player clocks waiting = {waiting}", () =>
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{
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player1.WaitingOnFrames.Value = waiting;
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player2.WaitingOnFrames.Value = waiting;
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});
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private void setMasterTime(double time)
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=> AddStep($"set master = {time}", () => master.Seek(time));
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/// <summary>
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/// clock.Time = master.Time - offsetFromMaster
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/// </summary>
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private void setPlayerClockTime(Func<TestSpectatorPlayerClock> playerClock, double offsetFromMaster)
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=> AddStep($"set player clock {playerClock().Id} = master - {offsetFromMaster}", () => playerClock().Seek(master.CurrentTime - offsetFromMaster));
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private void assertCatchingUp(Func<TestSpectatorPlayerClock> playerClock, bool catchingUp) =>
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AddAssert($"player clock {playerClock().Id} {(catchingUp ? "is" : "is not")} catching up", () => playerClock().IsCatchingUp == catchingUp);
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private void assertPlayerClockState(Func<TestSpectatorPlayerClock> playerClock, bool running)
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=> AddAssert($"player clock {playerClock().Id} {(running ? "is" : "is not")} running", () => playerClock().IsRunning == running);
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private class TestSpectatorPlayerClock : TestManualClock, ISpectatorPlayerClock
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{
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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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public IFrameBasedClock Source
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{
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set => throw new NotImplementedException();
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}
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public readonly int Id;
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public TestSpectatorPlayerClock(int id)
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{
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Id = id;
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WaitingOnFrames.BindValueChanged(waiting =>
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{
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if (waiting.NewValue)
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Stop();
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else
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Start();
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});
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}
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public void ProcessFrame()
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{
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}
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public double ElapsedFrameTime => 0;
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public double FramesPerSecond => 0;
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public FrameTimeInfo TimeInfo => default;
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}
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private class TestManualClock : ManualClock, IAdjustableClock
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{
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public TestManualClock()
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{
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IsRunning = true;
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}
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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 Reset()
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{
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}
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public void ResetSpeedAdjustments()
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{
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}
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}
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}
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}
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