mirror of https://github.com/ppy/osu
160 lines
4.9 KiB
C#
160 lines
4.9 KiB
C#
// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
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// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using System.Collections.Generic;
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using OpenTK;
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using OpenTK.Graphics;
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using osu.Framework.Extensions.Color4Extensions;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Colour;
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using osu.Framework.Graphics.Containers;
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using System;
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using osu.Framework.Allocation;
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using osu.Framework.Threading;
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using osu.Game.Database;
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using osu.Game.Rulesets.Scoring;
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using osu.Game.Online.API;
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using osu.Game.Online.API.Requests;
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namespace osu.Game.Screens.Select.Leaderboards
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{
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public class Leaderboard : Container
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{
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private readonly ScrollContainer scrollContainer;
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private readonly FillFlowContainer<LeaderboardScore> scrollFlow;
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public Action<Score> ScoreSelected;
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private IEnumerable<Score> scores;
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public IEnumerable<Score> Scores
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{
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get { return scores; }
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set
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{
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scores = value;
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getScoresRequest?.Cancel();
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int i = 150;
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if (scores == null)
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{
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foreach (var c in scrollFlow.Children)
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c.FadeOut(i += 10);
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foreach (var c in scrollFlow.Children)
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c.LifetimeEnd = Time.Current + i;
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return;
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}
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scrollFlow.Clear();
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i = 0;
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foreach (var s in scores)
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{
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var ls = new LeaderboardScore(s, 1 + i)
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{
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AlwaysPresent = true,
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Action = () => ScoreSelected?.Invoke(s),
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State = Visibility.Hidden,
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};
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scrollFlow.Add(ls);
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ls.Delay(i++ * 50, true);
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ls.Show();
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}
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scrollContainer.ScrollTo(0f, false);
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}
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}
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public Leaderboard()
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{
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Children = new Drawable[]
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{
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scrollContainer = new ScrollContainer
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{
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RelativeSizeAxes = Axes.Both,
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ScrollDraggerVisible = false,
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Children = new Drawable[]
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{
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scrollFlow = new FillFlowContainer<LeaderboardScore>
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{
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RelativeSizeAxes = Axes.X,
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AutoSizeAxes = Axes.Y,
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Spacing = new Vector2(0f, 5f),
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Padding = new MarginPadding { Top = 10, Bottom = 5 },
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},
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},
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},
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};
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}
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private APIAccess api;
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private BeatmapInfo beatmap;
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private ScheduledDelegate pendingBeatmapSwitch;
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public BeatmapInfo Beatmap
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{
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get { return beatmap; }
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set
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{
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beatmap = value;
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Scores = null;
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pendingBeatmapSwitch?.Cancel();
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pendingBeatmapSwitch = Schedule(updateScores);
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}
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}
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[BackgroundDependencyLoader(permitNulls: true)]
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private void load(APIAccess api)
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{
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this.api = api;
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}
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private GetScoresRequest getScoresRequest;
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private void updateScores()
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{
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if (!IsLoaded) return;
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Scores = null;
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getScoresRequest?.Cancel();
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if (api == null || Beatmap == null) return;
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getScoresRequest = new GetScoresRequest(Beatmap);
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getScoresRequest.Success += r => Scores = r.Scores;
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api.Queue(getScoresRequest);
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}
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protected override void Update()
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{
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base.Update();
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var fadeStart = scrollContainer.Current + scrollContainer.DrawHeight;
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if (!scrollContainer.IsScrolledToEnd())
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fadeStart -= LeaderboardScore.HEIGHT;
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foreach (var c in scrollFlow.Children)
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{
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var topY = c.ToSpaceOfOtherDrawable(Vector2.Zero, scrollFlow).Y;
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var bottomY = topY + LeaderboardScore.HEIGHT;
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if (bottomY < fadeStart)
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c.Colour = Color4.White;
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else if (topY > fadeStart + LeaderboardScore.HEIGHT)
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c.Colour = Color4.Transparent;
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else
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{
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c.ColourInfo = ColourInfo.GradientVertical(
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Color4.White.Opacity(Math.Min(1 - (topY - fadeStart) / LeaderboardScore.HEIGHT, 1)),
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Color4.White.Opacity(Math.Min(1 - (bottomY - fadeStart) / LeaderboardScore.HEIGHT, 1)));
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}
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}
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}
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}
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}
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