mirror of https://github.com/ppy/osu
532 lines
20 KiB
C#
532 lines
20 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 System.Diagnostics;
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using System.Linq;
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using osu.Framework.Allocation;
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using osu.Framework.Bindables;
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using osu.Framework.Configuration;
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using osu.Framework.Extensions.Color4Extensions;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Colour;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics.Effects;
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using osu.Framework.Graphics.Shapes;
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using osu.Framework.Graphics.Sprites;
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using osu.Framework.Input.Events;
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using osu.Framework.Platform;
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using osu.Framework.Platform.Windows;
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using osu.Framework.Screens;
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using osu.Framework.Utils;
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using osu.Game.Graphics;
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using osu.Game.Graphics.Containers;
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using osu.Game.Graphics.Sprites;
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using osu.Game.Overlays;
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using osu.Game.Overlays.Settings;
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using osuTK;
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using osuTK.Input;
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namespace osu.Game.Screens.Utility
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{
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[Cached]
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public class LatencyCertifierScreen : OsuScreen
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{
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private FrameSync previousFrameSyncMode;
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private double previousActiveHz;
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private readonly OsuTextFlowContainer statusText;
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public override bool HideOverlaysOnEnter => true;
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public override bool CursorVisible => mainArea.Count == 0;
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public override float BackgroundParallaxAmount => 0;
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private readonly LinkFlowContainer explanatoryText;
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private readonly Container<LatencyArea> mainArea;
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private readonly Container resultsArea;
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public readonly BindableDouble SampleBPM = new BindableDouble(120) { MinValue = 60, MaxValue = 300, Precision = 1 };
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public readonly BindableDouble SampleApproachRate = new BindableDouble(9) { MinValue = 5, MaxValue = 12, Precision = 0.1 };
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public readonly BindableFloat SampleVisualSpacing = new BindableFloat(0.5f) { MinValue = 0f, MaxValue = 1, Precision = 0.1f };
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/// <summary>
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/// The rate at which the game host should attempt to run.
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/// </summary>
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private const int target_host_update_frames = 4000;
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[Cached]
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private readonly OverlayColourProvider overlayColourProvider = new OverlayColourProvider(OverlayColourScheme.Orange);
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[Resolved]
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private OsuColour colours { get; set; } = null!;
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[Resolved]
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private FrameworkConfigManager config { get; set; } = null!;
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public readonly Bindable<LatencyVisualMode> VisualMode = new Bindable<LatencyVisualMode>();
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private const int rounds_to_complete = 5;
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private const int rounds_to_complete_certified = 20;
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/// <summary>
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/// Whether we are now in certification mode and decreasing difficulty.
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/// </summary>
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private bool isCertifying;
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private int totalRoundForNextResultsScreen => isCertifying ? rounds_to_complete_certified : rounds_to_complete;
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private int attemptsAtCurrentDifficulty;
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private int correctAtCurrentDifficulty;
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public int DifficultyLevel { get; private set; } = 1;
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private double lastPoll;
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private int pollingMax;
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private readonly FillFlowContainer settings;
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[Resolved]
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private GameHost host { get; set; } = null!;
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[Resolved]
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private MusicController musicController { get; set; } = null!;
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public LatencyCertifierScreen()
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{
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InternalChildren = new Drawable[]
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{
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new Box
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{
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Colour = overlayColourProvider.Background6,
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RelativeSizeAxes = Axes.Both,
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},
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mainArea = new Container<LatencyArea>
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{
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RelativeSizeAxes = Axes.Both,
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},
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// Make sure the edge between the two comparisons can't be used to ascertain latency.
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new Box
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{
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Name = "separator",
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Colour = ColourInfo.GradientHorizontal(overlayColourProvider.Background6, overlayColourProvider.Background6.Opacity(0)),
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Width = 100,
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RelativeSizeAxes = Axes.Y,
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Anchor = Anchor.TopCentre,
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Origin = Anchor.TopLeft,
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},
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new Box
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{
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Name = "separator",
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Colour = ColourInfo.GradientHorizontal(overlayColourProvider.Background6.Opacity(0), overlayColourProvider.Background6),
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Width = 100,
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RelativeSizeAxes = Axes.Y,
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Anchor = Anchor.TopCentre,
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Origin = Anchor.TopRight,
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},
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settings = new FillFlowContainer
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{
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Name = "Settings",
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AutoSizeAxes = Axes.Y,
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Width = 800,
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Padding = new MarginPadding(10),
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Spacing = new Vector2(2),
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Direction = FillDirection.Vertical,
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Anchor = Anchor.BottomCentre,
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Origin = Anchor.BottomCentre,
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Children = new Drawable[]
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{
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explanatoryText = new LinkFlowContainer(cp => cp.Font = OsuFont.Default.With(size: 20))
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{
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AutoSizeAxes = Axes.Y,
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RelativeSizeAxes = Axes.X,
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Anchor = Anchor.TopCentre,
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Origin = Anchor.TopCentre,
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TextAnchor = Anchor.TopCentre,
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},
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new SettingsSlider<double>
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{
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Anchor = Anchor.TopCentre,
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Origin = Anchor.TopCentre,
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RelativeSizeAxes = Axes.None,
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Width = 400,
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LabelText = "bpm",
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Current = SampleBPM
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},
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new SettingsSlider<float>
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{
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Anchor = Anchor.TopCentre,
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Origin = Anchor.TopCentre,
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RelativeSizeAxes = Axes.None,
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Width = 400,
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LabelText = "visual spacing",
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Current = SampleVisualSpacing
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},
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new SettingsSlider<double>
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{
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Anchor = Anchor.TopCentre,
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Origin = Anchor.TopCentre,
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RelativeSizeAxes = Axes.None,
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Width = 400,
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LabelText = "approach rate",
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Current = SampleApproachRate
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},
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},
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},
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resultsArea = new Container
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{
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RelativeSizeAxes = Axes.Both,
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},
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statusText = new OsuTextFlowContainer(cp => cp.Font = OsuFont.Default.With(size: 40))
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{
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Anchor = Anchor.TopCentre,
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Origin = Anchor.TopCentre,
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TextAnchor = Anchor.TopCentre,
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Y = 150,
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RelativeSizeAxes = Axes.X,
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AutoSizeAxes = Axes.Y,
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},
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};
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explanatoryText.AddParagraph(@"Welcome to the latency certifier!");
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explanatoryText.AddParagraph(@"Do whatever you need to try and perceive the difference in latency, then choose your best side. Read more about the methodology ");
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explanatoryText.AddLink("here", "https://github.com/ppy/osu/wiki/Latency-and-unlimited-frame-rates#methodology");
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explanatoryText.AddParagraph(@"Use the arrow keys or Z/X/F/J to control the display.");
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explanatoryText.AddParagraph(@"Tab key to change focus. Space to change display mode");
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}
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protected override bool OnMouseMove(MouseMoveEvent e)
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{
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if (lastPoll > 0)
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pollingMax = (int)Math.Max(pollingMax, 1000 / (Clock.CurrentTime - lastPoll));
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lastPoll = Clock.CurrentTime;
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return base.OnMouseMove(e);
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}
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public override void OnEntering(ScreenTransitionEvent e)
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{
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base.OnEntering(e);
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previousFrameSyncMode = config.Get<FrameSync>(FrameworkSetting.FrameSync);
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previousActiveHz = host.UpdateThread.ActiveHz;
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config.SetValue(FrameworkSetting.FrameSync, FrameSync.Unlimited);
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host.UpdateThread.ActiveHz = target_host_update_frames;
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host.AllowBenchmarkUnlimitedFrames = true;
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musicController.Stop();
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}
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public override bool OnExiting(ScreenExitEvent e)
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{
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host.AllowBenchmarkUnlimitedFrames = false;
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config.SetValue(FrameworkSetting.FrameSync, previousFrameSyncMode);
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host.UpdateThread.ActiveHz = previousActiveHz;
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return base.OnExiting(e);
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}
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protected override void LoadComplete()
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{
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base.LoadComplete();
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loadNextRound();
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}
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protected override bool OnKeyDown(KeyDownEvent e)
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{
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switch (e.Key)
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{
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case Key.Space:
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VisualMode.Value = (LatencyVisualMode)(((int)VisualMode.Value + 1) % 3);
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return true;
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case Key.Tab:
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var firstArea = mainArea.FirstOrDefault(a => !a.IsActiveArea.Value);
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if (firstArea != null)
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firstArea.IsActiveArea.Value = true;
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return true;
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}
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return base.OnKeyDown(e);
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}
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private void showResults()
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{
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mainArea.Clear();
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resultsArea.Clear();
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settings.Hide();
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var displayMode = host.Window?.CurrentDisplayMode.Value;
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string exclusive = "unknown";
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if (host.Window is WindowsWindow windowsWindow)
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exclusive = windowsWindow.FullscreenCapability.ToString();
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statusText.Clear();
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float successRate = (float)correctAtCurrentDifficulty / attemptsAtCurrentDifficulty;
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bool isPass = successRate == 1;
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statusText.AddParagraph($"You scored {correctAtCurrentDifficulty} out of {attemptsAtCurrentDifficulty} ({successRate:0%})!", cp => cp.Colour = isPass ? colours.Green : colours.Red);
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statusText.AddParagraph($"Level {DifficultyLevel} ({mapDifficultyToTargetFrameRate(DifficultyLevel):N0} Hz)",
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cp => cp.Font = OsuFont.Default.With(size: 24));
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statusText.AddParagraph(string.Empty);
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statusText.AddParagraph(string.Empty);
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statusText.AddIcon(isPass ? FontAwesome.Regular.CheckCircle : FontAwesome.Regular.TimesCircle, cp => cp.Colour = isPass ? colours.Green : colours.Red);
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statusText.AddParagraph(string.Empty);
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if (!isPass && DifficultyLevel > 1)
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{
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statusText.AddParagraph("To complete certification, the difficulty level will now decrease until you can get 20 rounds correct in a row!",
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cp => cp.Font = OsuFont.Default.With(size: 24, weight: FontWeight.SemiBold));
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statusText.AddParagraph(string.Empty);
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}
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statusText.AddParagraph($"Polling: {pollingMax} Hz Monitor: {displayMode?.RefreshRate ?? 0:N0} Hz Exclusive: {exclusive}",
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cp => cp.Font = OsuFont.Default.With(size: 15, weight: FontWeight.SemiBold));
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statusText.AddParagraph($"Input: {host.InputThread.Clock.FramesPerSecond} Hz "
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+ $"Update: {host.UpdateThread.Clock.FramesPerSecond} Hz "
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+ $"Draw: {host.DrawThread.Clock.FramesPerSecond} Hz"
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, cp => cp.Font = OsuFont.Default.With(size: 15, weight: FontWeight.SemiBold));
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if (isCertifying && isPass)
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{
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showCertifiedScreen();
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return;
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}
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string cannotIncreaseReason = string.Empty;
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if (mapDifficultyToTargetFrameRate(DifficultyLevel + 1) > target_host_update_frames)
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cannotIncreaseReason = "You've reached the maximum level.";
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else if (mapDifficultyToTargetFrameRate(DifficultyLevel + 1) > Clock.FramesPerSecond)
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cannotIncreaseReason = "Game is not running fast enough to test this level";
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FillFlowContainer buttonFlow;
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resultsArea.Add(buttonFlow = new FillFlowContainer
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{
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RelativeSizeAxes = Axes.X,
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AutoSizeAxes = Axes.Y,
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Anchor = Anchor.BottomLeft,
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Origin = Anchor.BottomLeft,
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Spacing = new Vector2(20),
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Padding = new MarginPadding(20),
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});
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if (isPass)
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{
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buttonFlow.Add(new ButtonWithKeyBind(Key.Enter)
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{
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Text = "Continue to next level",
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BackgroundColour = colours.Green,
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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Action = () => changeDifficulty(DifficultyLevel + 1),
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Enabled = { Value = string.IsNullOrEmpty(cannotIncreaseReason) },
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TooltipText = cannotIncreaseReason
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});
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}
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else
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{
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if (DifficultyLevel == 1)
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{
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buttonFlow.Add(new ButtonWithKeyBind(Key.Enter)
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{
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Text = "Retry",
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TooltipText = "Are you even trying..?",
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BackgroundColour = colours.Pink2,
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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Action = () =>
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{
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isCertifying = false;
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changeDifficulty(1);
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},
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});
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}
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else
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{
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buttonFlow.Add(new ButtonWithKeyBind(Key.Enter)
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{
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Text = "Begin certification at last level",
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BackgroundColour = colours.Yellow,
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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Action = () =>
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{
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isCertifying = true;
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changeDifficulty(DifficultyLevel - 1);
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},
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TooltipText = isPass
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? $"Chain {rounds_to_complete_certified} rounds to confirm your perception!"
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: "You've reached your limits. Go to the previous level to complete certification!",
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});
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}
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}
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}
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private void showCertifiedScreen()
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{
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Drawable background;
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Drawable certifiedText;
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resultsArea.AddRange(new[]
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{
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background = new Box
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{
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Colour = overlayColourProvider.Background4,
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RelativeSizeAxes = Axes.Both,
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},
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(certifiedText = new OsuSpriteText
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{
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Alpha = 0,
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Font = OsuFont.TorusAlternate.With(size: 80, weight: FontWeight.Bold),
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Text = "Certified!",
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Blending = BlendingParameters.Additive,
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}).WithEffect(new GlowEffect
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{
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Colour = overlayColourProvider.Colour1,
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PadExtent = true
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}).With(e =>
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{
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e.Anchor = Anchor.Centre;
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e.Origin = Anchor.Centre;
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}),
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new OsuSpriteText
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{
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Text = $"You should use a frame limiter with update rate of {mapDifficultyToTargetFrameRate(DifficultyLevel + 1)} Hz (or fps) for best results!",
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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Font = OsuFont.Torus.With(size: 24, weight: FontWeight.SemiBold),
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Y = 80,
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}
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});
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background.FadeInFromZero(1000, Easing.OutQuint);
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certifiedText.FadeInFromZero(500, Easing.InQuint);
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certifiedText
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.ScaleTo(10)
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.ScaleTo(1, 600, Easing.InQuad)
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.Then()
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.ScaleTo(1.05f, 10000, Easing.OutQuint);
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}
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private void changeDifficulty(int difficulty)
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{
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Debug.Assert(difficulty > 0);
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resultsArea.Clear();
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correctAtCurrentDifficulty = 0;
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attemptsAtCurrentDifficulty = 0;
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pollingMax = 0;
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lastPoll = 0;
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DifficultyLevel = difficulty;
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loadNextRound();
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}
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private void loadNextRound()
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{
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settings.Show();
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attemptsAtCurrentDifficulty++;
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statusText.Text = $"Level {DifficultyLevel}\nRound {attemptsAtCurrentDifficulty} of {totalRoundForNextResultsScreen}";
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mainArea.Clear();
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int betterSide = RNG.Next(0, 2);
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mainArea.AddRange(new[]
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{
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new LatencyArea(Key.Number1, betterSide == 1 ? mapDifficultyToTargetFrameRate(DifficultyLevel) : (int?)null)
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{
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Width = 0.5f,
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VisualMode = { BindTarget = VisualMode },
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IsActiveArea = { Value = true },
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ReportUserBest = () => recordResult(betterSide == 0),
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},
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new LatencyArea(Key.Number2, betterSide == 0 ? mapDifficultyToTargetFrameRate(DifficultyLevel) : (int?)null)
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{
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Width = 0.5f,
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VisualMode = { BindTarget = VisualMode },
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Anchor = Anchor.TopRight,
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Origin = Anchor.TopRight,
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ReportUserBest = () => recordResult(betterSide == 1)
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}
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});
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foreach (var area in mainArea)
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{
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area.IsActiveArea.BindValueChanged(active =>
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{
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if (active.NewValue)
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mainArea.Children.First(a => a != area).IsActiveArea.Value = false;
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});
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}
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}
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private void recordResult(bool correct)
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{
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// Fading this out will improve the frame rate after the first round due to less text on screen.
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explanatoryText.FadeOut(500, Easing.OutQuint);
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if (correct)
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correctAtCurrentDifficulty++;
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if (attemptsAtCurrentDifficulty < totalRoundForNextResultsScreen)
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loadNextRound();
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else
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showResults();
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}
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private static int mapDifficultyToTargetFrameRate(int difficulty)
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{
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switch (difficulty)
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{
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case 1:
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return 15;
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case 2:
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return 30;
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case 3:
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return 45;
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case 4:
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return 60;
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case 5:
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return 120;
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case 6:
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return 240;
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case 7:
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return 480;
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case 8:
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return 720;
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case 9:
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return 960;
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default:
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return 1000 + ((difficulty - 10) * 500);
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}
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}
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}
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}
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