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80 lines
2.6 KiB
C#
80 lines
2.6 KiB
C#
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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.Configuration;
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using osu.Framework.Graphics;
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using osu.Framework.Lists;
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using osu.Game.Rulesets.Timing;
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namespace osu.Game.Rulesets.UI
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{
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public class ScrollingHitObjectContainer : Playfield.HitObjectContainer
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{
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public readonly BindableDouble TimeRange = new BindableDouble
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{
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MinValue = 0,
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MaxValue = double.MaxValue
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};
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public readonly SortedList<MultiplierControlPoint> ControlPoints = new SortedList<MultiplierControlPoint>();
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private readonly ScrollingDirection direction;
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public ScrollingHitObjectContainer(ScrollingDirection direction)
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{
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this.direction = direction;
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RelativeSizeAxes = Axes.Both;
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}
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protected override void UpdateAfterChildren()
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{
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base.UpdateAfterChildren();
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var currentMultiplier = controlPointAt(Time.Current);
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foreach (var obj in AliveObjects)
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{
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var relativePosition = (Time.Current - obj.HitObject.StartTime) / (TimeRange / currentMultiplier.Multiplier);
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// Todo: We may need to consider scale here
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var finalPosition = (float)relativePosition * DrawSize;
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switch (direction)
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{
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case ScrollingDirection.Up:
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obj.Y = -finalPosition.Y;
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break;
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case ScrollingDirection.Down:
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obj.Y = finalPosition.Y;
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break;
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case ScrollingDirection.Left:
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obj.X = -finalPosition.X;
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break;
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case ScrollingDirection.Right:
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obj.X = finalPosition.X;
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break;
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}
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}
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}
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private readonly MultiplierControlPoint searchingPoint = new MultiplierControlPoint();
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private MultiplierControlPoint controlPointAt(double time)
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{
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if (ControlPoints.Count == 0)
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return new MultiplierControlPoint(double.MinValue);
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if (time < ControlPoints[0].StartTime)
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return ControlPoints[0];
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searchingPoint.StartTime = time;
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int index = ControlPoints.BinarySearch(searchingPoint);
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if (index < 0)
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index = ~index - 1;
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return ControlPoints[index];
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}
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}
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}
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