// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>. // Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE using System; using System.Collections.Generic; using System.Linq; using osu.Framework; using osu.Framework.Allocation; using osu.Framework.Audio; using osu.Framework.Audio.Sample; using osu.Framework.Configuration; using osu.Framework.Graphics; using osu.Framework.Graphics.Containers; using osu.Framework.Input.Bindings; using osu.Framework.Logging; using osu.Framework.Threading; using osu.Game.Graphics; using osu.Game.Input; using osu.Game.Input.Bindings; using osu.Game.Online.API; using osu.Game.Overlays; using osu.Game.Overlays.Notifications; using osuTK; using osuTK.Graphics; using osuTK.Input; namespace osu.Game.Screens.Menu { public class ButtonSystem : Container, IStateful<ButtonSystemState>, IKeyBindingHandler<GlobalAction> { public event Action<ButtonSystemState> StateChanged; private readonly IBindable<bool> isIdle = new BindableBool(); public Action OnEdit; public Action OnExit; public Action OnDirect; 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; 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); updateLogoState(); } } private readonly Drawable iconFacade; private readonly ButtonArea buttonArea; private readonly Button backButton; private readonly List<Button> buttonsTopLevel = new List<Button>(); private readonly List<Button> buttonsPlay = new List<Button>(); private SampleChannel sampleBack; public ButtonSystem() { RelativeSizeAxes = Axes.Both; Child = buttonArea = new ButtonArea(); buttonArea.AddRange(new[] { new Button(@"settings", string.Empty, FontAwesome.fa_gear, new Color4(85, 85, 85, 255), () => OnSettings?.Invoke(), -WEDGE_WIDTH, Key.O), backButton = new Button(@"back", @"button-back-select", FontAwesome.fa_osu_left_o, new Color4(51, 58, 94, 255), () => State = ButtonSystemState.TopLevel, -WEDGE_WIDTH) { VisibleState = ButtonSystemState.Play, }, iconFacade = new Container //need a container to make the osu! icon flow properly. { Size = new Vector2(0, ButtonArea.BUTTON_AREA_HEIGHT) } }); buttonArea.Flow.CentreTarget = iconFacade; buttonsPlay.Add(new Button(@"solo", @"button-solo-select", FontAwesome.fa_user, new Color4(102, 68, 204, 255), () => OnSolo?.Invoke(), WEDGE_WIDTH, Key.P)); buttonsPlay.Add(new Button(@"multi", @"button-generic-select", FontAwesome.fa_users, new Color4(94, 63, 186, 255), onMulti, 0, Key.M)); buttonsPlay.Add(new Button(@"chart", @"button-generic-select", FontAwesome.fa_osu_charts, new Color4(80, 53, 160, 255), () => OnChart?.Invoke())); buttonsPlay.ForEach(b => b.VisibleState = ButtonSystemState.Play); buttonsTopLevel.Add(new Button(@"play", @"button-play-select", FontAwesome.fa_osu_logo, new Color4(102, 68, 204, 255), () => State = ButtonSystemState.Play, WEDGE_WIDTH, Key.P)); buttonsTopLevel.Add(new Button(@"osu!editor", @"button-generic-select", FontAwesome.fa_osu_edit_o, new Color4(238, 170, 0, 255), () => OnEdit?.Invoke(), 0, Key.E)); buttonsTopLevel.Add(new Button(@"osu!direct", @"button-direct-select", FontAwesome.fa_osu_chevron_down_o, new Color4(165, 204, 0, 255), () => OnDirect?.Invoke(), 0, Key.D)); buttonsTopLevel.Add(new Button(@"exit", string.Empty, FontAwesome.fa_osu_cross_o, new Color4(238, 51, 153, 255), () => OnExit?.Invoke(), 0, Key.Q)); buttonArea.AddRange(buttonsPlay); buttonArea.AddRange(buttonsTopLevel); } [Resolved(CanBeNull = true)] private OsuGame game { get; set; } [Resolved] private APIAccess api { get; set; } [Resolved(CanBeNull = true)] private NotificationOverlay notifications { get; set; } [BackgroundDependencyLoader(true)] private void load(AudioManager audio, IdleTracker idleTracker) { isIdle.ValueChanged += updateIdleState; if (idleTracker != null) isIdle.BindTo(idleTracker.IsIdle); sampleBack = audio.Sample.Get(@"Menu/button-back-select"); } private void onMulti() { if (!api.IsLoggedIn) { notifications?.Post(new SimpleNotification { Text = "You gotta be logged in to multi 'yo!", Icon = FontAwesome.fa_globe }); return; } OnMulti?.Invoke(); } private void updateIdleState(bool isIdle) { if (isIdle && State != ButtonSystemState.Exit) State = ButtonSystemState.Initial; } public bool OnPressed(GlobalAction action) { switch (action) { case GlobalAction.Back: return goBack(); case GlobalAction.Select: logo?.Click(); return true; default: return false; } } public bool OnReleased(GlobalAction action) => false; private bool goBack() { switch (State) { case ButtonSystemState.TopLevel: State = ButtonSystemState.Initial; sampleBack?.Play(); return true; case ButtonSystemState.Play: backButton.Click(); return true; default: return false; } } private bool onOsuLogo() { switch (state) { default: return true; case ButtonSystemState.Initial: State = ButtonSystemState.TopLevel; return true; case ButtonSystemState.TopLevel: buttonsTopLevel.First().Click(); return false; case ButtonSystemState.Play: buttonsPlay.First().Click(); return false; } } private ButtonSystemState state = ButtonSystemState.Initial; public override bool HandleNonPositionalInput => state != ButtonSystemState.Exit; public override bool HandlePositionalInput => state != ButtonSystemState.Exit; public ButtonSystemState State { get { return state; } set { if (state == value) return; ButtonSystemState lastState = state; state = value; if (game != null) game.OverlayActivationMode.Value = state == ButtonSystemState.Exit ? OverlayActivation.Disabled : OverlayActivation.All; updateLogoState(lastState); Logger.Log($"{nameof(ButtonSystem)}'s state changed from {lastState} to {state}"); using (buttonArea.BeginDelayedSequence(lastState == ButtonSystemState.Initial ? 150 : 0, true)) { buttonArea.ButtonSystemState = state; foreach (var b in buttonArea.Children.OfType<Button>()) b.ButtonSystemState = state; } StateChanged?.Invoke(State); } } private ScheduledDelegate logoDelayedAction; private void updateLogoState(ButtonSystemState lastState = ButtonSystemState.Initial) { if (logo == null) return; switch (state) { case ButtonSystemState.Exit: case ButtonSystemState.Initial: logoDelayedAction?.Cancel(); logoDelayedAction = Scheduler.AddDelayed(() => { logoTracking = false; game?.Toolbar.Hide(); logo.ClearTransforms(targetMember: nameof(Position)); logo.RelativePositionAxes = Axes.Both; logo.MoveTo(new Vector2(0.5f), 800, Easing.OutExpo); logo.ScaleTo(1, 800, Easing.OutExpo); }, buttonArea.Alpha * 150); break; case ButtonSystemState.TopLevel: case ButtonSystemState.Play: switch (lastState) { case ButtonSystemState.TopLevel: // coming from toplevel to play break; case ButtonSystemState.Initial: logo.ClearTransforms(targetMember: nameof(Position)); logo.RelativePositionAxes = Axes.None; bool impact = logo.Scale.X > 0.6f; if (lastState == ButtonSystemState.Initial) logo.ScaleTo(0.5f, 200, Easing.In); logo.MoveTo(logoTrackingPosition, lastState == ButtonSystemState.EnteringMode ? 0 : 200, Easing.In); logoDelayedAction?.Cancel(); logoDelayedAction = Scheduler.AddDelayed(() => { logoTracking = true; if (impact) logo.Impact(); game?.Toolbar.Show(); }, 200); break; default: logo.ClearTransforms(targetMember: nameof(Position)); logo.RelativePositionAxes = Axes.None; logoTracking = true; logo.ScaleTo(0.5f, 200, Easing.OutQuint); break; } break; case ButtonSystemState.EnteringMode: logoTracking = true; break; } } private Vector2 logoTrackingPosition => logo.Parent.ToLocalSpace(iconFacade.ScreenSpaceDrawQuad.Centre); private bool logoTracking; protected override void Update() { base.Update(); if (logo != null) { if (logoTracking && logo.RelativePositionAxes == Axes.None && iconFacade.IsLoaded) logo.Position = logoTrackingPosition; iconFacade.Width = logo.SizeForFlow * 0.5f; } } } public enum ButtonSystemState { Exit, Initial, TopLevel, Play, EnteringMode, } }