mirror of https://github.com/ppy/osu
125 lines
3.2 KiB
C#
125 lines
3.2 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System.Collections.Generic;
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using System.Linq;
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using osu.Framework.Allocation;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics.Sprites;
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using osu.Framework.Graphics.Textures;
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using osu.Framework.Utils;
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namespace osu.Game.Tournament.Screens.Drawings.Components
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{
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public partial class VisualiserContainer : Container
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{
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/// <summary>
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/// Number of lines in the visualiser.
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/// </summary>
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public int Lines
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{
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get => allLines.Count;
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set
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{
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while (value > allLines.Count)
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addLine();
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while (value < allLines.Count)
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removeLine();
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}
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}
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private readonly List<VisualiserLine> allLines = new List<VisualiserLine>();
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private float offset;
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private void addLine()
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{
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VisualiserLine newLine = new VisualiserLine
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{
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RelativeSizeAxes = Axes.Both,
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Offset = offset,
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CycleTime = RNG.Next(10000, 12000),
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};
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allLines.Add(newLine);
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Add(newLine);
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offset += RNG.Next(100, 5000);
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}
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private void removeLine()
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{
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if (allLines.Count == 0)
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return;
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Remove(allLines.First(), true);
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allLines.Remove(allLines.First());
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}
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private partial class VisualiserLine : Container
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{
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/// <summary>
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/// Time offset.
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/// </summary>
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public float Offset;
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public double CycleTime;
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private float leftPos => -(float)((Time.Current + Offset) / CycleTime) + expiredCount;
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private Texture texture = null!;
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private int expiredCount;
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[BackgroundDependencyLoader]
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private void load(TextureStore textures)
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{
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texture = textures.Get("Drawings/visualiser-line");
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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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while (Children.Count < 3)
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addLine();
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float pos = leftPos;
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foreach (var c in Children)
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{
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if (c.Position.X < -1)
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{
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c.ClearTransforms();
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c.Expire();
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expiredCount++;
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}
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else
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c.MoveToX(pos, 100);
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pos += 1;
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}
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}
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private void addLine()
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{
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Add(new Sprite
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{
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Anchor = Anchor.CentreLeft,
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Origin = Anchor.CentreLeft,
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RelativePositionAxes = Axes.Both,
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RelativeSizeAxes = Axes.Both,
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Texture = texture,
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X = leftPos + 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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