2017-03-21 19:39:18 +08:00
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// 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 osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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2017-06-20 13:54:23 +08:00
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using osu.Framework.Graphics.Shapes;
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2017-03-21 19:39:18 +08:00
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using OpenTK;
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2017-04-18 15:05:58 +08:00
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namespace osu.Game.Rulesets.Taiko.Objects.Drawables
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2017-03-21 19:39:18 +08:00
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{
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/// <summary>
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/// A line that scrolls alongside hit objects in the playfield and visualises control points.
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/// </summary>
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public class DrawableBarLine : Container
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{
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2017-04-03 09:04:13 +08:00
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/// <summary>
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/// The width of the line tracker.
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/// </summary>
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private const float tracker_width = 2f;
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/// <summary>
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/// Fade out time calibrated to a pre-empt of 1000ms.
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/// </summary>
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private const float base_fadeout_time = 100f;
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2017-03-21 19:39:18 +08:00
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/// <summary>
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2017-04-02 01:06:58 +08:00
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/// The visual line tracker.
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2017-03-21 19:39:18 +08:00
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/// </summary>
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protected Box Tracker;
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/// <summary>
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/// The bar line.
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2017-03-21 19:39:18 +08:00
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/// </summary>
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protected readonly BarLine BarLine;
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public DrawableBarLine(BarLine barLine)
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{
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BarLine = barLine;
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Anchor = Anchor.CentreLeft;
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Origin = Anchor.Centre;
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RelativePositionAxes = Axes.X;
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RelativeSizeAxes = Axes.Y;
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2017-04-03 09:04:13 +08:00
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Width = tracker_width;
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2017-03-21 19:39:18 +08:00
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Children = new[]
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{
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Tracker = new Box
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{
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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RelativeSizeAxes = Axes.Both,
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EdgeSmoothness = new Vector2(0.5f, 0),
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Alpha = 0.75f
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}
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};
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2017-04-05 18:58:57 +08:00
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LifetimeStart = BarLine.StartTime - BarLine.ScrollTime * 2;
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LifetimeEnd = BarLine.StartTime + BarLine.ScrollTime;
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2017-03-21 19:39:18 +08:00
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}
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protected override void LoadComplete()
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{
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base.LoadComplete();
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2017-07-16 22:47:29 +08:00
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AddDelay(BarLine.StartTime - Time.Current);
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2017-07-15 00:18:12 +08:00
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this.FadeOut(base_fadeout_time * BarLine.ScrollTime / 1000);
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2017-03-21 19:39:18 +08:00
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}
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2017-07-15 00:18:12 +08:00
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private void updateScrollPosition(double time) => this.MoveToX((float)((BarLine.StartTime - time) / BarLine.ScrollTime));
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2017-03-21 19:39:18 +08:00
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protected override void Update()
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{
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base.Update();
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2017-04-02 01:06:58 +08:00
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updateScrollPosition(Time.Current);
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2017-03-21 19:39:18 +08:00
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}
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}
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}
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