osu/osu.Game/Screens/OnlinePlay/Playlists/PlaylistsResultsScreen.cs

267 lines
11 KiB
C#

// 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.
#nullable disable
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using JetBrains.Annotations;
using osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Game.Graphics.UserInterface;
using osu.Game.Online.API;
using osu.Game.Online.Rooms;
using osu.Game.Rulesets;
using osu.Game.Scoring;
using osu.Game.Screens.Ranking;
namespace osu.Game.Screens.OnlinePlay.Playlists
{
public partial class PlaylistsResultsScreen : ResultsScreen
{
private readonly long roomId;
private readonly PlaylistItem playlistItem;
protected LoadingSpinner LeftSpinner { get; private set; }
protected LoadingSpinner CentreSpinner { get; private set; }
protected LoadingSpinner RightSpinner { get; private set; }
private MultiplayerScores higherScores;
private MultiplayerScores lowerScores;
[Resolved]
private IAPIProvider api { get; set; }
[Resolved]
private ScoreManager scoreManager { get; set; }
[Resolved]
private RulesetStore rulesets { get; set; }
public PlaylistsResultsScreen([CanBeNull] ScoreInfo score, long roomId, PlaylistItem playlistItem)
: base(score)
{
this.roomId = roomId;
this.playlistItem = playlistItem;
}
[BackgroundDependencyLoader]
private void load()
{
AddInternal(new Container
{
RelativeSizeAxes = Axes.Both,
Padding = new MarginPadding { Bottom = TwoLayerButton.SIZE_EXTENDED.Y },
Children = new Drawable[]
{
LeftSpinner = new PanelListLoadingSpinner(ScorePanelList)
{
Anchor = Anchor.CentreLeft,
Origin = Anchor.Centre,
},
CentreSpinner = new PanelListLoadingSpinner(ScorePanelList)
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
State = { Value = Score == null ? Visibility.Visible : Visibility.Hidden },
},
RightSpinner = new PanelListLoadingSpinner(ScorePanelList)
{
Anchor = Anchor.CentreRight,
Origin = Anchor.Centre,
},
}
});
}
protected override APIRequest FetchScores(Action<IEnumerable<ScoreInfo>> scoresCallback)
{
// This performs two requests:
// 1. A request to show the user's score (and scores around).
// 2. If that fails, a request to index the room starting from the highest score.
var userScoreReq = new ShowPlaylistUserScoreRequest(roomId, playlistItem.ID, api.LocalUser.Value.Id);
userScoreReq.Success += userScore =>
{
var allScores = new List<MultiplayerScore> { userScore };
// Other scores could have arrived between score submission and entering the results screen. Ensure the local player score position is up to date.
if (Score != null)
{
Score.Position = userScore.Position;
ScorePanelList.GetPanelForScore(Score).ScorePosition.Value = userScore.Position;
}
if (userScore.ScoresAround?.Higher != null)
{
allScores.AddRange(userScore.ScoresAround.Higher.Scores);
higherScores = userScore.ScoresAround.Higher;
Debug.Assert(userScore.Position != null);
setPositions(higherScores, userScore.Position.Value, -1);
}
if (userScore.ScoresAround?.Lower != null)
{
allScores.AddRange(userScore.ScoresAround.Lower.Scores);
lowerScores = userScore.ScoresAround.Lower;
Debug.Assert(userScore.Position != null);
setPositions(lowerScores, userScore.Position.Value, 1);
}
performSuccessCallback(scoresCallback, allScores);
};
// On failure, fallback to a normal index.
userScoreReq.Failure += _ => api.Queue(createIndexRequest(scoresCallback));
return userScoreReq;
}
protected override APIRequest FetchNextPage(int direction, Action<IEnumerable<ScoreInfo>> scoresCallback)
{
Debug.Assert(direction == 1 || direction == -1);
MultiplayerScores pivot = direction == -1 ? higherScores : lowerScores;
if (pivot?.Cursor == null)
return null;
if (pivot == higherScores)
LeftSpinner.Show();
else
RightSpinner.Show();
return createIndexRequest(scoresCallback, pivot);
}
/// <summary>
/// Creates a <see cref="IndexPlaylistScoresRequest"/> with an optional score pivot.
/// </summary>
/// <remarks>Does not queue the request.</remarks>
/// <param name="scoresCallback">The callback to perform with the resulting scores.</param>
/// <param name="pivot">An optional score pivot to retrieve scores around. Can be null to retrieve scores from the highest score.</param>
/// <returns>The indexing <see cref="APIRequest"/>.</returns>
private APIRequest createIndexRequest(Action<IEnumerable<ScoreInfo>> scoresCallback, [CanBeNull] MultiplayerScores pivot = null)
{
var indexReq = pivot != null
? new IndexPlaylistScoresRequest(roomId, playlistItem.ID, pivot.Cursor, pivot.Params)
: new IndexPlaylistScoresRequest(roomId, playlistItem.ID);
indexReq.Success += r =>
{
if (pivot == lowerScores)
{
lowerScores = r;
setPositions(r, pivot, 1);
}
else
{
higherScores = r;
setPositions(r, pivot, -1);
}
performSuccessCallback(scoresCallback, r.Scores, r);
};
indexReq.Failure += _ => hideLoadingSpinners(pivot);
return indexReq;
}
/// <summary>
/// Transforms returned <see cref="MultiplayerScores"/> into <see cref="ScoreInfo"/>s, ensure the <see cref="ScorePanelList"/> is put into a sane state, and invokes a given success callback.
/// </summary>
/// <param name="callback">The callback to invoke with the final <see cref="ScoreInfo"/>s.</param>
/// <param name="scores">The <see cref="MultiplayerScore"/>s that were retrieved from <see cref="APIRequest"/>s.</param>
/// <param name="pivot">An optional pivot around which the scores were retrieved.</param>
private void performSuccessCallback([NotNull] Action<IEnumerable<ScoreInfo>> callback, [NotNull] List<MultiplayerScore> scores, [CanBeNull] MultiplayerScores pivot = null) => Schedule(() =>
{
var scoreInfos = scores.Select(s => s.CreateScoreInfo(scoreManager, rulesets, playlistItem, Beatmap.Value.BeatmapInfo)).OrderByTotalScore().ToArray();
// Select a score if we don't already have one selected.
// Note: This is done before the callback so that the panel list centres on the selected score before panels are added (eliminating initial scroll).
if (SelectedScore.Value == null)
{
Schedule(() =>
{
// Prefer selecting the local user's score, or otherwise default to the first visible score.
SelectedScore.Value = scoreInfos.FirstOrDefault(s => s.User.OnlineID == api.LocalUser.Value.Id) ?? scoreInfos.FirstOrDefault();
});
}
// Invoke callback to add the scores. Exclude the user's current score which was added previously.
callback.Invoke(scoreInfos.Where(s => s.OnlineID != Score?.OnlineID));
hideLoadingSpinners(pivot);
});
private void hideLoadingSpinners([CanBeNull] MultiplayerScores pivot = null)
{
CentreSpinner.Hide();
if (pivot == lowerScores)
RightSpinner.Hide();
else if (pivot == higherScores)
LeftSpinner.Hide();
}
/// <summary>
/// Applies positions to all <see cref="MultiplayerScore"/>s referenced to a given pivot.
/// </summary>
/// <param name="scores">The <see cref="MultiplayerScores"/> to set positions on.</param>
/// <param name="pivot">The pivot.</param>
/// <param name="increment">The amount to increment the pivot position by for each <see cref="MultiplayerScore"/> in <paramref name="scores"/>.</param>
private void setPositions([NotNull] MultiplayerScores scores, [CanBeNull] MultiplayerScores pivot, int increment)
=> setPositions(scores, pivot?.Scores[^1].Position ?? 0, increment);
/// <summary>
/// Applies positions to all <see cref="MultiplayerScore"/>s referenced to a given pivot.
/// </summary>
/// <param name="scores">The <see cref="MultiplayerScores"/> to set positions on.</param>
/// <param name="pivotPosition">The pivot position.</param>
/// <param name="increment">The amount to increment the pivot position by for each <see cref="MultiplayerScore"/> in <paramref name="scores"/>.</param>
private void setPositions([NotNull] MultiplayerScores scores, int pivotPosition, int increment)
{
foreach (var s in scores.Scores)
{
pivotPosition += increment;
s.Position = pivotPosition;
}
}
private partial class PanelListLoadingSpinner : LoadingSpinner
{
private readonly ScorePanelList list;
/// <summary>
/// Creates a new <see cref="PanelListLoadingSpinner"/>.
/// </summary>
/// <param name="list">The list to track.</param>
/// <param name="withBox">Whether the spinner should have a surrounding black box for visibility.</param>
public PanelListLoadingSpinner(ScorePanelList list, bool withBox = true)
: base(withBox)
{
this.list = list;
}
protected override void Update()
{
base.Update();
float panelOffset = list.DrawWidth / 2 - ScorePanel.EXPANDED_WIDTH;
if ((Anchor & Anchor.x0) > 0)
X = (float)(panelOffset - list.Current);
else if ((Anchor & Anchor.x2) > 0)
X = (float)(list.ScrollableExtent - list.Current - panelOffset);
}
}
}
}