Add state for when user is ready for gameplay

osu.Game/Online/Multiplayer/MultiplayerRoomUser.cs

@@ -65,5 +65,21 @@ namespace osu.Game.Online.Multiplayer
         }
 
         public override int GetHashCode() => UserID.GetHashCode();
+
+        /// <summary>
+        /// Whether this user has finished loading and can start gameplay.
+        /// </summary>
+        public bool CanStartGameplay()
+        {
+            switch (State)
+            {
+                case MultiplayerUserState.Loaded:
+                case MultiplayerUserState.ReadyForGameplay:
+                    return true;
+
+                default:
+                    return false;
+            }
+        }
     }
 }

osu.Game/Online/Multiplayer/MultiplayerUserState.cs

@@ -29,10 +29,16 @@ namespace osu.Game.Online.Multiplayer
         WaitingForLoad,
 
         /// <summary>
-        /// The user's client has marked itself as loaded and ready to begin gameplay.
+        /// The user has marked itself as loaded, but may still be adjusting settings prior to being ready for gameplay.
+        /// Players remaining in this state for an extended period of time will be automatically transitioned to the <see cref="Playing"/> state by the server.
         /// </summary>
         Loaded,
 
+        /// <summary>
+        /// The user has finished adjusting settings and is ready to start gameplay.
+        /// </summary>
+        ReadyForGameplay,
+
         /// <summary>
         /// The user is currently playing in a game. This is a reserved state, and is set by the server.
         /// </summary>

osu.Game/Screens/OnlinePlay/Multiplayer/Participants/StateDisplay.cs

@@ -112,6 +112,7 @@ namespace osu.Game.Screens.OnlinePlay.Multiplayer.Participants
                     break;
 
                 case MultiplayerUserState.Loaded:
+                case MultiplayerUserState.ReadyForGameplay:
                     text.Text = "loaded";
                     icon.Icon = FontAwesome.Solid.DotCircle;
                     icon.Colour = colours.YellowLight;