From b251129c596a62841f34c9830f75e8c5e2f6a397 Mon Sep 17 00:00:00 2001
From: smoogipoo <smoogipoo@smgi.me>
Date: Tue, 4 Dec 2018 17:43:27 +0900
Subject: [PATCH] Block going into multiplayer while logged out

---
 osu.Game/Screens/Menu/ButtonSystem.cs | 33 +++++++++++++++++++++++----
 1 file changed, 28 insertions(+), 5 deletions(-)

diff --git a/osu.Game/Screens/Menu/ButtonSystem.cs b/osu.Game/Screens/Menu/ButtonSystem.cs
index ae1f27610b..943dfa53af 100644
--- a/osu.Game/Screens/Menu/ButtonSystem.cs
+++ b/osu.Game/Screens/Menu/ButtonSystem.cs
@@ -17,7 +17,9 @@
 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;
@@ -90,7 +92,7 @@ public ButtonSystem()
             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?.Invoke(), 0, Key.M));
+            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);
 
@@ -103,19 +105,40 @@ public ButtonSystem()
             buttonArea.AddRange(buttonsTopLevel);
         }
 
-        private OsuGame game;
+        [Resolved]
+        private OsuGame game { get; set; }
+
+        [Resolved]
+        private APIAccess api { get; set; }
+
+        [Resolved]
+        private NotificationOverlay notifications { get; set; }
 
         [BackgroundDependencyLoader(true)]
-        private void load(AudioManager audio, OsuGame game, IdleTracker idleTracker)
+        private void load(AudioManager audio, IdleTracker idleTracker)
         {
-            this.game = game;
-
             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)