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157 lines
4.7 KiB
C#
157 lines
4.7 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 OpenTK;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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using System;
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using System.Collections.Generic;
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using osu.Game.Graphics;
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using osu.Framework.Allocation;
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using System.Linq;
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using osu.Framework.Timing;
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using osu.Game.Rulesets.Objects;
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using osu.Game.Rulesets.Objects.Types;
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namespace osu.Game.Screens.Play
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{
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public class SongProgress : OverlayContainer
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{
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private const int bottom_bar_height = 5;
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protected override bool HideOnEscape => false;
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private static readonly Vector2 handle_size = new Vector2(14, 25);
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private const float transition_duration = 200;
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private readonly SongProgressBar bar;
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private readonly SongProgressGraph graph;
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private readonly SongProgressInfo info;
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public Action<double> OnSeek;
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public override bool HandleInput => AllowSeeking;
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private IClock audioClock;
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public IClock AudioClock { set { audioClock = info.AudioClock = value; } }
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private double lastHitTime => ((objects.Last() as IHasEndTime)?.EndTime ?? objects.Last().StartTime) + 1;
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private double firstHitTime => objects.First().StartTime;
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private IEnumerable<HitObject> objects;
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public IEnumerable<HitObject> Objects
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{
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set
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{
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graph.Objects = objects = value;
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info.StartTime = firstHitTime;
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info.EndTime = lastHitTime;
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}
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}
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[BackgroundDependencyLoader]
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private void load(OsuColour colours)
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{
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graph.FillColour = bar.FillColour = colours.BlueLighter;
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}
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public SongProgress()
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{
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const float graph_height = SquareGraph.Column.WIDTH * 6;
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Height = bottom_bar_height + graph_height + handle_size.Y;
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Y = bottom_bar_height;
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Children = new Drawable[]
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{
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info = new SongProgressInfo
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{
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Origin = Anchor.BottomLeft,
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Anchor = Anchor.BottomLeft,
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RelativeSizeAxes = Axes.X,
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AutoSizeAxes = Axes.Y,
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Margin = new MarginPadding { Bottom = bottom_bar_height + graph_height },
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},
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graph = new SongProgressGraph
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{
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RelativeSizeAxes = Axes.X,
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Origin = Anchor.BottomLeft,
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Anchor = Anchor.BottomLeft,
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Height = graph_height,
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Margin = new MarginPadding { Bottom = bottom_bar_height },
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},
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bar = new SongProgressBar(bottom_bar_height, graph_height, handle_size)
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{
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Alpha = 0,
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Anchor = Anchor.BottomLeft,
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Origin = Anchor.BottomLeft,
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SeekRequested = delegate (float position)
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{
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OnSeek?.Invoke(firstHitTime + position * (lastHitTime - firstHitTime));
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},
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},
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};
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}
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protected override void LoadComplete()
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{
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State = Visibility.Visible;
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}
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private bool allowSeeking;
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public bool AllowSeeking
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{
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get
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{
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return allowSeeking;
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}
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set
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{
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if (allowSeeking == value) return;
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allowSeeking = value;
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updateBarVisibility();
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}
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}
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private void updateBarVisibility()
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{
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bar.FadeTo(allowSeeking ? 1 : 0, transition_duration, EasingTypes.In);
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MoveTo(new Vector2(0, allowSeeking ? 0 : bottom_bar_height), transition_duration, EasingTypes.In);
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}
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protected override void PopIn()
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{
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updateBarVisibility();
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FadeIn(500, EasingTypes.OutQuint);
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}
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protected override void PopOut()
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{
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FadeOut(100);
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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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if (objects == null)
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return;
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double progress = ((audioClock?.CurrentTime ?? Time.Current) - firstHitTime) / (lastHitTime - firstHitTime);
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if(progress < 1)
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{
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bar.UpdatePosition((float)progress);
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graph.Progress = (int)(graph.ColumnCount * progress);
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}
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}
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}
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}
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