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99 lines
3.4 KiB
C#
99 lines
3.4 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;
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using osu.Framework.Allocation;
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using osu.Framework.Bindables;
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using osu.Framework.Graphics;
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using osu.Framework.Input.Events;
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using osu.Game.Configuration;
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using osu.Game.Rulesets.Osu.UI.Cursor;
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using osu.Game.Skinning;
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using osuTK;
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namespace osu.Game.Rulesets.Osu.Skinning.Legacy
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{
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public partial class LegacyCursorTrail : CursorTrail
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{
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private readonly ISkin skin;
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private const double disjoint_trail_time_separation = 1000 / 60.0;
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public bool DisjointTrail { get; private set; }
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private double lastTrailTime;
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private IBindable<float> cursorSize = null!;
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private Vector2? currentPosition;
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public LegacyCursorTrail(ISkin skin)
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{
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this.skin = skin;
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}
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[BackgroundDependencyLoader]
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private void load(OsuConfigManager config, ISkinSource skinSource)
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{
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cursorSize = config.GetBindable<float>(OsuSetting.GameplayCursorSize).GetBoundCopy();
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Texture = skin.GetTexture("cursortrail");
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// Cursor and cursor trail components are sourced from potentially different skin sources.
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// Stable always chooses cursor trail disjoint behaviour based on the cursor texture lookup source, so we need to fetch where that occurred.
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// See https://github.com/peppy/osu-stable-reference/blob/3ea48705eb67172c430371dcfc8a16a002ed0d3d/osu!/Graphics/Skinning/SkinManager.cs#L269
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var cursorProvider = skinSource.FindProvider(s => s.GetTexture("cursor") != null);
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DisjointTrail = cursorProvider?.GetTexture("cursormiddle") == null;
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if (DisjointTrail)
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{
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bool centre = skin.GetConfig<OsuSkinConfiguration, bool>(OsuSkinConfiguration.CursorCentre)?.Value ?? true;
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TrailOrigin = centre ? Anchor.Centre : Anchor.TopLeft;
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Blending = BlendingParameters.Inherit;
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}
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else
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{
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Blending = BlendingParameters.Additive;
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}
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if (Texture != null)
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{
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// stable "magic ratio". see OsuPlayfieldAdjustmentContainer for full explanation.
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Texture.ScaleAdjust *= 1.6f;
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}
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}
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protected override double FadeDuration => DisjointTrail ? 150 : 500;
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protected override float FadeExponent => 1;
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protected override bool InterpolateMovements => !DisjointTrail;
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protected override float IntervalMultiplier => 1 / Math.Max(cursorSize.Value, 1);
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protected override bool AvoidDrawingNearCursor => !DisjointTrail;
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protected override void Update()
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{
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base.Update();
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if (!DisjointTrail || !currentPosition.HasValue)
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return;
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if (Time.Current - lastTrailTime >= disjoint_trail_time_separation)
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{
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lastTrailTime = Time.Current;
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AddTrail(currentPosition.Value);
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}
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}
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protected override bool OnMouseMove(MouseMoveEvent e)
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{
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if (!DisjointTrail)
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return base.OnMouseMove(e);
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currentPosition = e.ScreenSpaceMousePosition;
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// Intentionally block the base call as we're adding the trails ourselves.
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return false;
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}
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}
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}
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