osu/osu.Game/Screens/Select/FooterButtonRandom.cs

170 lines
5.1 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.
#nullable disable
using System;
using osu.Framework.Allocation;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Input.Events;
using osu.Game.Graphics;
using osu.Game.Graphics.Sprites;
using osu.Game.Input.Bindings;
using osuTK;
using osuTK.Input;
namespace osu.Game.Screens.Select
{
public partial class FooterButtonRandom : FooterButton
{
public Action NextRandom { get; set; }
public Action PreviousRandom { get; set; }
private Container persistentText;
private OsuSpriteText randomSpriteText;
private OsuSpriteText rewindSpriteText;
private bool rewindSearch;
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
SelectedColour = colours.Green;
DeselectedColour = SelectedColour.Opacity(0.5f);
TextContainer.Add(persistentText = new Container
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
AlwaysPresent = true,
AutoSizeAxes = Axes.Both,
Children = new[]
{
randomSpriteText = new OsuSpriteText
{
AlwaysPresent = true,
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Text = "random",
},
rewindSpriteText = new OsuSpriteText
{
AlwaysPresent = true,
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Text = "rewind",
Alpha = 0f,
}
}
});
Action = () =>
{
if (rewindSearch)
{
const double fade_time = 500;
OsuSpriteText fallingRewind;
TextContainer.Add(fallingRewind = new OsuSpriteText
{
Alpha = 0,
Text = rewindSpriteText.Text,
AlwaysPresent = true, // make sure the button is sized large enough to always show this
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
});
fallingRewind.FadeOutFromOne(fade_time, Easing.In);
fallingRewind.MoveTo(Vector2.Zero).MoveTo(new Vector2(0, 10), fade_time, Easing.In);
fallingRewind.Expire();
persistentText.FadeInFromZero(fade_time, Easing.In);
PreviousRandom.Invoke();
}
else
{
NextRandom.Invoke();
}
};
}
protected override bool OnKeyDown(KeyDownEvent e)
{
updateText(e);
return base.OnKeyDown(e);
}
protected override void OnKeyUp(KeyUpEvent e)
{
updateText(e);
base.OnKeyUp(e);
}
protected override bool OnMouseDown(MouseDownEvent e)
{
updateText(e);
return base.OnMouseDown(e);
}
protected override bool OnClick(ClickEvent e)
{
try
{
// this uses OR to handle rewinding when clicks are triggered by other sources (i.e. right button in OnMouseUp).
rewindSearch |= e.ShiftPressed;
return base.OnClick(e);
}
finally
{
rewindSearch = false;
}
}
protected override void OnMouseUp(MouseUpEvent e)
{
base.OnMouseUp(e);
if (e.Button == MouseButton.Right && IsHovered)
{
rewindSearch = true;
TriggerClick();
}
updateText(e);
}
public override bool OnPressed(KeyBindingPressEvent<GlobalAction> e)
{
rewindSearch = e.Action == GlobalAction.SelectPreviousRandom;
if (e.Action != GlobalAction.SelectNextRandom && e.Action != GlobalAction.SelectPreviousRandom)
{
return false;
}
if (!e.Repeat)
TriggerClick();
return true;
}
public override void OnReleased(KeyBindingReleaseEvent<GlobalAction> e)
{
if (e.Action == GlobalAction.SelectPreviousRandom)
{
rewindSearch = false;
}
}
private void updateText(UIEvent e)
{
bool aboutToRewind = e.ShiftPressed || e.CurrentState.Mouse.IsPressed(MouseButton.Right);
randomSpriteText.Alpha = aboutToRewind ? 0 : 1;
rewindSpriteText.Alpha = aboutToRewind ? 1 : 0;
}
}
}