Add Match Participants, change Room.Users to IEnumerable.

osu.Game.Tests/Visual/TestCaseMatch.cs

@@ -6,6 +6,7 @@ using osu.Game.Beatmaps;
 using osu.Game.Online.Multiplayer;
 using osu.Game.Rulesets;
 using osu.Game.Screens.Multi.Screens.Match;
+using osu.Game.Users;
 
 namespace osu.Game.Tests.Visual
 {
@@ -44,6 +45,43 @@ namespace osu.Game.Tests.Visual
                         },
                     },
                 },
+                MaxParticipants = { Value = 5 },
+                Participants =
+                {
+                    Value = new[]
+                    {
+                        new User
+                        {
+                            Username = @"eiri-",
+                            Id = 3388410,
+                            Country = new Country { FlagName = @"US" },
+                            CoverUrl = @"https://assets.ppy.sh/user-profile-covers/3388410/00a8486a247831e1cc4375db519f611ac970bda8bc0057d78b0f540ea38c3e58.jpeg",
+                            IsSupporter = true,
+                        },
+                        new User
+                        {
+                            Username = @"Nepuri",
+                            Id = 6637817,
+                            Country = new Country { FlagName = @"DE" },
+                            CoverUrl = @"https://assets.ppy.sh/user-profile-covers/6637817/9085fc60248b6b5327a72c1dcdecf2dbedba810ae0ab6bcf7224e46b1339632a.jpeg",
+                            IsSupporter = true,
+                        },
+                        new User
+                        {
+                            Username = @"goheegy",
+                            Id = 8057655,
+                            Country = new Country { FlagName = @"GB" },
+                            CoverUrl = @"https://assets.ppy.sh/user-profile-covers/8057655/21cec27c25a11dc197a4ec6a74253dbabb495949b0e0697113352f12007018c5.jpeg",
+                        },
+                        new User
+                        {
+                            Username = @"Alumetri",
+                            Id = 5371497,
+                            Country = new Country { FlagName = @"RU" },
+                            CoverUrl = @"https://assets.ppy.sh/user-profile-covers/5371497/e023b8c7fbe3613e64bd4856703517ea50fbed8a5805dc9acda9efe9897c67e2.jpeg",
+                        },
+                    }
+                },
             };
 
             Match match = new Match(room);

osu.Game/Online/Multiplayer/Room.cs

@@ -1,6 +1,7 @@
 // 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.Collections.Generic;
 using osu.Framework.Configuration;
 using osu.Game.Beatmaps;
 using osu.Game.Users;
@@ -16,6 +17,6 @@ namespace osu.Game.Online.Multiplayer
         public Bindable<GameType> Type = new Bindable<GameType>();
         public Bindable<BeatmapInfo> Beatmap = new Bindable<BeatmapInfo>();
         public Bindable<int?> MaxParticipants = new Bindable<int?>();
-        public Bindable<User[]> Participants = new Bindable<User[]>();
+        public Bindable<IEnumerable<User>> Participants = new Bindable<IEnumerable<User>>();
     }
 }

osu.Game/Screens/Multi/Components/DrawableRoom.cs

@@ -41,7 +41,7 @@ namespace osu.Game.Screens.Multi.Components
         private readonly Bindable<RoomStatus> statusBind = new Bindable<RoomStatus>();
         private readonly Bindable<GameType> typeBind = new Bindable<GameType>();
         private readonly Bindable<BeatmapInfo> beatmapBind = new Bindable<BeatmapInfo>();
-        private readonly Bindable<User[]> participantsBind = new Bindable<User[]>();
+        private readonly Bindable<IEnumerable<User>> participantsBind = new Bindable<IEnumerable<User>>();
 
         public readonly Room Room;
 

osu.Game/Screens/Multi/Components/RoomInspector.cs

@@ -1,6 +1,7 @@
 // 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.Collections.Generic;
 using System.Linq;
 using osu.Framework.Allocation;
 using osu.Framework.Configuration;
@@ -33,7 +34,7 @@ namespace osu.Game.Screens.Multi.Components
         private readonly Bindable<GameType> typeBind = new Bindable<GameType>();
         private readonly Bindable<BeatmapInfo> beatmapBind = new Bindable<BeatmapInfo>();
         private readonly Bindable<int?> maxParticipantsBind = new Bindable<int?>();
-        private readonly Bindable<User[]> participantsBind = new Bindable<User[]>();
+        private readonly Bindable<IEnumerable<User>> participantsBind = new Bindable<IEnumerable<User>>();
 
         private OsuColour colours;
         private Box statusStrip;
@@ -214,7 +215,7 @@ namespace osu.Game.Screens.Multi.Components
 
             participantsBind.ValueChanged += p =>
             {
-                participantCount.Count = p.Length;
+                participantCount.Count = p.Count();
                 participantInfo.Participants = p;
                 participantsFlow.ChildrenEnumerable = p.Select(u => new UserTile(u));
             };

osu.Game/Screens/Multi/Screens/Match/Match.cs

@@ -1,23 +1,31 @@
 // 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.Collections.Generic;
 using osu.Framework.Configuration;
 using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
 using osu.Game.Beatmaps;
 using osu.Game.Online.Multiplayer;
 using osu.Game.Screens.Select;
+using osu.Game.Users;
 
 namespace osu.Game.Screens.Multi.Screens.Match
 {
     public class Match : MultiplayerScreen
     {
         private readonly Room room;
+        private readonly Participants participants;
 
         private readonly Bindable<string> nameBind = new Bindable<string>();
         private readonly Bindable<RoomStatus> statusBind = new Bindable<RoomStatus>();
         private readonly Bindable<RoomAvailability> availabilityBind = new Bindable<RoomAvailability>();
         private readonly Bindable<GameType> typeBind = new Bindable<GameType>();
         private readonly Bindable<BeatmapInfo> beatmapBind = new Bindable<BeatmapInfo>();
+        private readonly Bindable<int?> maxParticipantsBind = new Bindable<int?>();
+        private readonly Bindable<IEnumerable<User>> participantsBind = new Bindable<IEnumerable<User>>();
+
+        protected override Container<Drawable> TransitionContent => participants;
 
         public override string Title => room.Name.Value;
 
@@ -34,6 +42,11 @@ namespace osu.Game.Screens.Multi.Screens.Match
                 {
                     Margin = new MarginPadding { Top = Header.HEIGHT },
                 },
+                participants = new Participants
+                {
+                    RelativeSizeAxes = Axes.Both,
+                    Padding = new MarginPadding { Top = Header.HEIGHT + Info.HEIGHT },
+                },
             };
 
             header.BeatmapButton.Action = () => Push(new MatchSongSelect());
@@ -41,6 +54,8 @@ namespace osu.Game.Screens.Multi.Screens.Match
             statusBind.ValueChanged += s => info.Status = s;
             availabilityBind.ValueChanged += a => info.Availability = a;
             typeBind.ValueChanged += t => info.Type = t;
+            maxParticipantsBind.ValueChanged += m => { participants.Max = m; };
+            participantsBind.ValueChanged += p => participants.Users = p;
 
             beatmapBind.ValueChanged += b =>
             {
@@ -53,6 +68,8 @@ namespace osu.Game.Screens.Multi.Screens.Match
             availabilityBind.BindTo(room.Availability);
             typeBind.BindTo(room.Type);
             beatmapBind.BindTo(room.Beatmap);
+            maxParticipantsBind.BindTo(room.MaxParticipants);
+            participantsBind.BindTo(room.Participants);
         }
     }
 }

osu.Game/Screens/Multi/Screens/Match/Participants.cs

@@ -0,0 +1,71 @@
+// 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.Collections.Generic;
+using System.Linq;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Game.Overlays.SearchableList;
+using osu.Game.Screens.Multi.Components;
+using osu.Game.Users;
+using OpenTK;
+
+namespace osu.Game.Screens.Multi.Screens.Match
+{
+    public class Participants : Container
+    {
+        private readonly ParticipantCount count;
+        private readonly FillFlowContainer<UserPanel> usersFlow;
+
+        public IEnumerable<User> Users
+        {
+            set {
+                usersFlow.Children = value.Select(u => new UserPanel(u)
+                {
+                    Anchor = Anchor.TopCentre,
+                    Origin = Anchor.TopCentre,
+                    Width = 300,
+                }).ToList();
+
+                count.Count = value.Count();
+            }
+        }
+
+        public int? Max
+        {
+            set { count.Max = value; }
+        }
+
+        public Participants()
+        {
+            Child = new Container
+            {
+                RelativeSizeAxes = Axes.Both,
+                Padding = new MarginPadding { Horizontal = SearchableListOverlay.WIDTH_PADDING },
+                Children = new Drawable[]
+                {
+                    new ScrollContainer
+                    {
+                        RelativeSizeAxes = Axes.Both,
+                        Padding = new MarginPadding { Top = 10 },
+                        Children = new Drawable[]
+                        {
+                            count = new ParticipantCount
+                            {
+                                Anchor = Anchor.TopRight,
+                                Origin = Anchor.TopRight,
+                            },
+                            usersFlow = new FillFlowContainer<UserPanel>
+                            {
+                                RelativeSizeAxes = Axes.X,
+                                AutoSizeAxes = Axes.Y,
+                                Spacing = new Vector2(5),
+                                Padding = new MarginPadding { Top = 40 },
+                            },
+                        },
+                    },
+                },
+            };
+        }
+    }
+}

osu.Game/Screens/Multi/Screens/MultiplayerScreen.cs

@@ -21,6 +21,7 @@ namespace osu.Game.Screens.Multi.Screens
 
             TransitionContent.MoveToX(200);
 
+            Content.FadeInFromZero(WaveContainer.APPEAR_DURATION, in_easing);
             TransitionContent.FadeInFromZero(WaveContainer.APPEAR_DURATION, in_easing);
             TransitionContent.MoveToX(0, WaveContainer.APPEAR_DURATION, in_easing);
         }