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osu-lazer/osu.Game.Rulesets.Osu/Skinning/LegacyCursorTrail.cs
2019-09-11 13:28:36 +09:00

56 lines
1.6 KiB
C#

// 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 osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Input.Events;
using osu.Game.Rulesets.Osu.UI.Cursor;
using osu.Game.Skinning;
namespace osu.Game.Rulesets.Osu.Skinning
{
public class LegacyCursorTrail : CursorTrail
{
private const double disjoint_trail_time_separation = 1000 / 60.0;
private bool disjointTrail;
private double lastTrailTime;
public LegacyCursorTrail()
{
Blending = BlendingParameters.Additive;
}
[BackgroundDependencyLoader]
private void load(ISkinSource skin)
{
Texture = skin.GetTexture("cursortrail");
disjointTrail = skin.GetTexture("cursormiddle") == null;
if (Texture != null)
{
// stable "magic ratio". see OsuPlayfieldAdjustmentContainer for full explanation.
Texture.ScaleAdjust *= 1.6f;
}
}
protected override double FadeDuration => disjointTrail ? 150 : 500;
protected override bool InterpolateMovements => !disjointTrail;
protected override bool OnMouseMove(MouseMoveEvent e)
{
if (!disjointTrail)
return base.OnMouseMove(e);
if (Time.Current - lastTrailTime >= disjoint_trail_time_separation)
{
lastTrailTime = Time.Current;
return base.OnMouseMove(e);
}
return false;
}
}
}