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osu-lazer/osu.Game.Rulesets.Mania/Skinning/Argon/ArgonManiaComboCounter.cs

53 lines
2.1 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 System;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Game.Rulesets.UI.Scrolling;
using osu.Game.Screens.Play.HUD;
namespace osu.Game.Rulesets.Mania.Skinning.Argon
{
public partial class ArgonManiaComboCounter : ArgonComboCounter
{
protected override bool DisplayXSymbol => false;
[Resolved]
private IScrollingInfo scrollingInfo { get; set; } = null!;
private IBindable<ScrollingDirection> direction = null!;
protected override void LoadComplete()
{
base.LoadComplete();
// the logic of flipping the position of the combo counter w.r.t. the direction does not work with "Closest" anchor,
// because it always forces the anchor to be top or bottom based on scrolling direction.
UsesFixedAnchor = true;
direction = scrollingInfo.Direction.GetBoundCopy();
direction.BindValueChanged(_ => updateAnchor());
// two schedules are required so that updateAnchor is executed in the next frame,
// which is when the combo counter receives its Y position by the default layout in ArgonManiaSkinTransformer.
Schedule(() => Schedule(updateAnchor));
}
private void updateAnchor()
{
// if the anchor isn't a vertical center, set top or bottom anchor based on scroll direction
if (Anchor.HasFlag(Anchor.y1))
return;
Anchor &= ~(Anchor.y0 | Anchor.y2);
Anchor |= direction.Value == ScrollingDirection.Up ? Anchor.y2 : Anchor.y0;
// change the sign of the Y coordinate in line with the scrolling direction.
// i.e. if the user changes direction from down to up, the anchor is changed from top to bottom, and the Y is flipped from positive to negative here.
Y = Math.Abs(Y) * (direction.Value == ScrollingDirection.Up ? -1 : 1);
}
}
}