Merge pull request #11035 from smoogipoo/add-playlist-length

osu.Game/Online/API/Requests/Responses/APIBeatmap.cs

@@ -75,6 +75,7 @@ namespace osu.Game.Online.API.Requests.Responses
                 StarDifficulty = starDifficulty,
                 OnlineBeatmapID = OnlineBeatmapID,
                 Version = version,
+                // this is actually an incorrect mapping (Length is calculated as drain length in lazer's import process, see BeatmapManager.calculateLength).
                 Length = TimeSpan.FromSeconds(length).TotalMilliseconds,
                 Status = Status,
                 BeatmapSet = set,

osu.Game/Online/Multiplayer/PlaylistExtensions.cs

@@ -0,0 +1,16 @@
+// 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.
+
+using System.Linq;
+using Humanizer;
+using Humanizer.Localisation;
+using osu.Framework.Bindables;
+
+namespace osu.Game.Online.Multiplayer
+{
+    public static class PlaylistExtensions
+    {
+        public static string GetTotalDuration(this BindableList<PlaylistItem> playlist) =>
+            playlist.Select(p => p.Beatmap.Value.Length).Sum().Milliseconds().Humanize(minUnit: TimeUnit.Second, maxUnit: TimeUnit.Hour, precision: 2);
+    }
+}

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

@@ -0,0 +1,22 @@
+// 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.
+
+using osu.Game.Online.Multiplayer;
+
+namespace osu.Game.Screens.Multi.Components
+{
+    public class OverlinedPlaylistHeader : OverlinedHeader
+    {
+        public OverlinedPlaylistHeader()
+            : base("Playlist")
+        {
+        }
+
+        protected override void LoadComplete()
+        {
+            base.LoadComplete();
+
+            Playlist.BindCollectionChanged((_, __) => Details.Value = Playlist.GetTotalDuration(), true);
+        }
+    }
+}

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

@@ -67,7 +67,7 @@ namespace osu.Game.Screens.Multi.Lounge.Components
                                     }
                                 }
                             },
-                            new Drawable[] { new OverlinedHeader("Playlist"), },
+                            new Drawable[] { new OverlinedPlaylistHeader(), },
                             new Drawable[]
                             {
                                 new DrawableRoomPlaylist(false, false)

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

@@ -2,6 +2,7 @@
 // See the LICENCE file in the repository root for full licence text.
 
 using System;
+using System.Collections.Specialized;
 using Humanizer;
 using osu.Framework.Allocation;
 using osu.Framework.Bindables;
@@ -69,6 +70,7 @@ namespace osu.Game.Screens.Multi.Match.Components
             private OsuSpriteText typeLabel;
             private LoadingLayer loadingLayer;
             private DrawableRoomPlaylist playlist;
+            private OsuSpriteText playlistLength;
 
             [Resolved(CanBeNull = true)]
             private IRoomManager manager { get; set; }
@@ -229,6 +231,15 @@ namespace osu.Game.Screens.Multi.Match.Components
                                                                                 playlist = new DrawableRoomPlaylist(true, true) { RelativeSizeAxes = Axes.Both }
                                                                             },
                                                                             new Drawable[]
+                                                                            {
+                                                                                playlistLength = new OsuSpriteText
+                                                                                {
+                                                                                    Margin = new MarginPadding { Vertical = 5 },
+                                                                                    Colour = colours.Yellow,
+                                                                                    Font = OsuFont.GetFont(size: 12),
+                                                                                }
+                                                                            },
+                                                                            new Drawable[]
                                                                             {
                                                                                 new PurpleTriangleButton
                                                                                 {
@@ -243,6 +254,7 @@ namespace osu.Game.Screens.Multi.Match.Components
                                                                         {
                                                                             new Dimension(),
                                                                             new Dimension(GridSizeMode.AutoSize),
+                                                                            new Dimension(GridSizeMode.AutoSize),
                                                                         }
                                                                     }
                                                                 },
@@ -315,6 +327,7 @@ namespace osu.Game.Screens.Multi.Match.Components
                 Duration.BindValueChanged(duration => DurationField.Current.Value = duration.NewValue, true);
 
                 playlist.Items.BindTo(Playlist);
+                Playlist.BindCollectionChanged(onPlaylistChanged, true);
             }
 
             protected override void Update()
@@ -324,6 +337,9 @@ namespace osu.Game.Screens.Multi.Match.Components
                 ApplyButton.Enabled.Value = hasValidSettings;
             }
 
+            private void onPlaylistChanged(object sender, NotifyCollectionChangedEventArgs e) =>
+                playlistLength.Text = $"Length: {Playlist.GetTotalDuration()}";
+
             private bool hasValidSettings => RoomID.Value == null && NameField.Text.Length > 0 && Playlist.Count > 0;
 
             private void apply()

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

@@ -135,7 +135,7 @@ namespace osu.Game.Screens.Multi.Match
                                                                 RelativeSizeAxes = Axes.Both,
                                                                 Content = new[]
                                                                 {
-                                                                    new Drawable[] { new OverlinedHeader("Playlist"), },
+                                                                    new Drawable[] { new OverlinedPlaylistHeader(), },
                                                                     new Drawable[]
                                                                     {
                                                                         new DrawableRoomPlaylistWithResults

osu.Game/Tests/Beatmaps/TestBeatmap.cs

@@ -31,6 +31,7 @@ namespace osu.Game.Tests.Beatmaps
             BeatmapInfo.BeatmapSet.Metadata = BeatmapInfo.Metadata;
             BeatmapInfo.BeatmapSet.Files = new List<BeatmapSetFileInfo>();
             BeatmapInfo.BeatmapSet.Beatmaps = new List<BeatmapInfo> { BeatmapInfo };
+            BeatmapInfo.Length = 75000;
             BeatmapInfo.BeatmapSet.OnlineInfo = new BeatmapSetOnlineInfo
             {
                 Status = BeatmapSetOnlineStatus.Ranked,