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osu-lazer/osu.Game.Rulesets.Osu/UI/SmokeContainer.cs

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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
using osu.Framework.Input;
using osu.Framework.Input.Bindings;
using osu.Framework.Input.Events;
using osu.Game.Rulesets.Osu.Skinning;
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using osu.Game.Rulesets.Osu.Skinning.Default;
using osu.Game.Skinning;
using osuTK;
namespace osu.Game.Rulesets.Osu.UI
{
/// <summary>
/// Manages smoke trails generated from user input.
/// </summary>
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public partial class SmokeContainer : Container, IRequireHighFrequencyMousePosition, IKeyBindingHandler<OsuAction>
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{
private SmokeSkinnableDrawable? currentSegmentSkinnable;
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private Vector2 lastMousePosition;
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public override bool ReceivePositionalInputAt(Vector2 _) => true;
public bool OnPressed(KeyBindingPressEvent<OsuAction> e)
{
if (e.Action == OsuAction.Smoke)
{
AddInternal(currentSegmentSkinnable = new SmokeSkinnableDrawable(new OsuSkinComponentLookup(OsuSkinComponents.CursorSmoke), _ => new DefaultSmokeSegment()));
// Add initial position immediately.
addPosition();
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return true;
}
return false;
}
public void OnReleased(KeyBindingReleaseEvent<OsuAction> e)
{
if (e.Action == OsuAction.Smoke)
{
if (currentSegmentSkinnable?.Drawable is SmokeSegment segment)
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{
segment.FinishDrawing(Time.Current);
currentSegmentSkinnable = null;
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}
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}
}
protected override bool OnMouseMove(MouseMoveEvent e)
{
lastMousePosition = e.MousePosition;
addPosition();
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return base.OnMouseMove(e);
}
private void addPosition() => (currentSegmentSkinnable?.Drawable as SmokeSegment)?.AddPosition(lastMousePosition, Time.Current);
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private partial class SmokeSkinnableDrawable : SkinnableDrawable
{
public override bool RemoveWhenNotAlive => true;
public override double LifetimeStart => Drawable.LifetimeStart;
public override double LifetimeEnd => Drawable.LifetimeEnd;
public SmokeSkinnableDrawable(ISkinComponentLookup lookup, Func<ISkinComponentLookup, Drawable>? defaultImplementation = null, ConfineMode confineMode = ConfineMode.NoScaling)
: base(lookup, defaultImplementation, confineMode)
{
}
}
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}
}