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osu-lazer/osu.Game/Screens/Menu/ButtonSystem.cs

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// 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.
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using System;
using System.Collections.Generic;
using System.Linq;
using osu.Framework;
using osu.Framework.Allocation;
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using osu.Framework.Audio;
using osu.Framework.Audio.Sample;
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using osu.Framework.Bindables;
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using osu.Framework.Extensions.IEnumerableExtensions;
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using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Sprites;
using osu.Framework.Input.Bindings;
using osu.Framework.Input.Events;
using osu.Framework.Logging;
using osu.Framework.Platform;
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using osu.Framework.Threading;
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using osu.Game.Graphics;
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using osu.Game.Graphics.Containers;
using osu.Game.Input;
using osu.Game.Input.Bindings;
using osu.Game.Online.API;
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using osu.Game.Overlays;
using osu.Game.Overlays.Notifications;
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using osuTK;
using osuTK.Graphics;
using osuTK.Input;
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namespace osu.Game.Screens.Menu
{
public class ButtonSystem : Container, IStateful<ButtonSystemState>, IKeyBindingHandler<GlobalAction>
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{
public event Action<ButtonSystemState> StateChanged;
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private readonly IBindable<bool> isIdle = new BindableBool();
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public Action OnEdit;
public Action OnExit;
public Action OnBeatmapListing;
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public Action OnSolo;
public Action OnSettings;
public Action OnMulti;
public Action OnChart;
public const float BUTTON_WIDTH = 140f;
public const float WEDGE_WIDTH = 20;
private OsuLogo logo;
/// <summary>
/// Assign the <see cref="OsuLogo"/> that this ButtonSystem should manage the position of.
/// </summary>
/// <param name="logo">The instance of the logo to be assigned. If null, we are suspending from the screen that uses this ButtonSystem.</param>
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public void SetOsuLogo(OsuLogo logo)
{
this.logo = logo;
if (this.logo != null)
{
this.logo.Action = onOsuLogo;
// osuLogo.SizeForFlow relies on loading to be complete.
buttonArea.Flow.Position = new Vector2(WEDGE_WIDTH * 2 - (BUTTON_WIDTH + this.logo.SizeForFlow / 4), 0);
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updateLogoState();
}
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else
{
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// We should stop tracking as the facade is now out of scope.
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logoTrackingContainer.StopTracking();
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}
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}
private readonly ButtonArea buttonArea;
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private readonly Button backButton;
private readonly List<Button> buttonsTopLevel = new List<Button>();
private readonly List<Button> buttonsPlay = new List<Button>();
private SampleChannel sampleBack;
private readonly LogoTrackingContainer logoTrackingContainer;
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public ButtonSystem()
{
RelativeSizeAxes = Axes.Both;
Child = logoTrackingContainer = new LogoTrackingContainer
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{
RelativeSizeAxes = Axes.Both,
Child = buttonArea = new ButtonArea()
};
buttonArea.AddRange(new Drawable[]
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{
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new Button(@"settings", string.Empty, FontAwesome.Solid.Cog, new Color4(85, 85, 85, 255), () => OnSettings?.Invoke(), -WEDGE_WIDTH, Key.O),
backButton = new Button(@"back", @"button-back-select", OsuIcon.LeftCircle, new Color4(51, 58, 94, 255), () => State = ButtonSystemState.TopLevel, -WEDGE_WIDTH)
{
VisibleState = ButtonSystemState.Play,
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},
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logoTrackingContainer.LogoFacade.With(d => d.Scale = new Vector2(0.74f))
});
buttonArea.Flow.CentreTarget = logoTrackingContainer.LogoFacade;
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}
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[Resolved(CanBeNull = true)]
private OsuGame game { get; set; }
[Resolved]
private IAPIProvider api { get; set; }
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[Resolved(CanBeNull = true)]
private NotificationOverlay notifications { get; set; }
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[Resolved(CanBeNull = true)]
private LoginOverlay loginOverlay { get; set; }
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[BackgroundDependencyLoader(true)]
private void load(AudioManager audio, IdleTracker idleTracker, GameHost host)
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{
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buttonsPlay.Add(new Button(@"solo", @"button-solo-select", FontAwesome.Solid.User, new Color4(102, 68, 204, 255), () => OnSolo?.Invoke(), WEDGE_WIDTH, Key.P));
buttonsPlay.Add(new Button(@"multi", @"button-generic-select", FontAwesome.Solid.Users, new Color4(94, 63, 186, 255), onMulti, 0, Key.M));
buttonsPlay.Add(new Button(@"chart", @"button-generic-select", OsuIcon.Charts, new Color4(80, 53, 160, 255), () => OnChart?.Invoke()));
buttonsPlay.ForEach(b => b.VisibleState = ButtonSystemState.Play);
buttonsTopLevel.Add(new Button(@"play", @"button-play-select", OsuIcon.Logo, new Color4(102, 68, 204, 255), () => State = ButtonSystemState.Play, WEDGE_WIDTH, Key.P));
buttonsTopLevel.Add(new Button(@"osu!editor", @"button-generic-select", OsuIcon.EditCircle, new Color4(238, 170, 0, 255), () => OnEdit?.Invoke(), 0, Key.E));
buttonsTopLevel.Add(new Button(@"osu!direct", @"button-direct-select", OsuIcon.ChevronDownCircle, new Color4(165, 204, 0, 255), () => OnBeatmapListing?.Invoke(), 0, Key.D));
if (host.CanExit)
buttonsTopLevel.Add(new Button(@"exit", string.Empty, OsuIcon.CrossCircle, new Color4(238, 51, 153, 255), () => OnExit?.Invoke(), 0, Key.Q));
buttonArea.AddRange(buttonsPlay);
buttonArea.AddRange(buttonsTopLevel);
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buttonArea.ForEach(b =>
{
if (b is Button)
{
b.Origin = Anchor.CentreLeft;
b.Anchor = Anchor.CentreLeft;
}
});
isIdle.ValueChanged += idle => updateIdleState(idle.NewValue);
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if (idleTracker != null) isIdle.BindTo(idleTracker.IsIdle);
sampleBack = audio.Samples.Get(@"Menu/button-back-select");
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}
private void onMulti()
{
if (!api.IsLoggedIn)
{
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notifications?.Post(new SimpleNotification
{
Text = "You gotta be logged in to multi 'yo!",
Icon = FontAwesome.Solid.Globe,
Activated = () =>
{
loginOverlay?.Show();
return true;
}
});
return;
}
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OnMulti?.Invoke();
}
private void updateIdleState(bool isIdle)
{
if (isIdle && State != ButtonSystemState.Exit && State != ButtonSystemState.EnteringMode)
State = ButtonSystemState.Initial;
}
protected override bool OnKeyDown(KeyDownEvent e)
{
if (State == ButtonSystemState.Initial)
{
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if (buttonsTopLevel.Any(b => e.Key == b.TriggerKey))
{
logo?.Click();
return true;
}
}
return base.OnKeyDown(e);
}
public bool OnPressed(GlobalAction action)
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{
switch (action)
{
case GlobalAction.Back:
return goBack();
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case GlobalAction.Select:
logo?.Click();
return true;
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default:
return false;
}
}
public void OnReleased(GlobalAction action)
{
}
private bool goBack()
{
switch (State)
{
case ButtonSystemState.TopLevel:
State = ButtonSystemState.Initial;
sampleBack?.Play();
return true;
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case ButtonSystemState.Play:
backButton.Click();
return true;
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default:
return false;
}
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}
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private bool onOsuLogo()
{
switch (state)
{
default:
return true;
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case ButtonSystemState.Initial:
State = ButtonSystemState.TopLevel;
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return true;
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case ButtonSystemState.TopLevel:
buttonsTopLevel.First().Click();
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return false;
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case ButtonSystemState.Play:
buttonsPlay.First().Click();
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return false;
}
}
private ButtonSystemState state = ButtonSystemState.Initial;
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public override bool HandleNonPositionalInput => state != ButtonSystemState.Exit;
public override bool HandlePositionalInput => state != ButtonSystemState.Exit;
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public ButtonSystemState State
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{
get => state;
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set
{
if (state == value) return;
ButtonSystemState lastState = state;
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state = value;
updateLogoState(lastState);
Logger.Log($"{nameof(ButtonSystem)}'s state changed from {lastState} to {state}");
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using (buttonArea.BeginDelayedSequence(lastState == ButtonSystemState.Initial ? 150 : 0, true))
{
buttonArea.ButtonSystemState = state;
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foreach (var b in buttonArea.Children.OfType<Button>())
b.ButtonSystemState = state;
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}
StateChanged?.Invoke(State);
}
}
private ScheduledDelegate logoDelayedAction;
private void updateLogoState(ButtonSystemState lastState = ButtonSystemState.Initial)
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{
if (logo == null) return;
switch (state)
{
case ButtonSystemState.Exit:
case ButtonSystemState.Initial:
logoDelayedAction?.Cancel();
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logoDelayedAction = Scheduler.AddDelayed(() =>
{
logoTrackingContainer.StopTracking();
game?.Toolbar.Hide();
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logo.ClearTransforms(targetMember: nameof(Position));
logo.MoveTo(new Vector2(0.5f), 800, Easing.OutExpo);
logo.ScaleTo(1, 800, Easing.OutExpo);
}, buttonArea.Alpha * 150);
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break;
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case ButtonSystemState.TopLevel:
case ButtonSystemState.Play:
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switch (lastState)
{
case ButtonSystemState.TopLevel: // coming from toplevel to play
break;
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case ButtonSystemState.Initial:
logo.ClearTransforms(targetMember: nameof(Position));
bool impact = logo.Scale.X > 0.6f;
logo.ScaleTo(0.5f, 200, Easing.In);
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logoTrackingContainer.StartTracking(logo, 200, Easing.In);
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logoDelayedAction?.Cancel();
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logoDelayedAction = Scheduler.AddDelayed(() =>
{
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if (impact)
logo.Impact();
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game?.Toolbar.Show();
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}, 200);
break;
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default:
logo.ClearTransforms(targetMember: nameof(Position));
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logoTrackingContainer.StartTracking(logo, 0, Easing.In);
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logo.ScaleTo(0.5f, 200, Easing.OutQuint);
break;
}
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break;
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case ButtonSystemState.EnteringMode:
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logoTrackingContainer.StartTracking(logo, lastState == ButtonSystemState.Initial ? MainMenu.FADE_OUT_DURATION : 0, Easing.InSine);
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break;
}
}
}
public enum ButtonSystemState
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{
Exit,
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Initial,
TopLevel,
Play,
EnteringMode,
}
}