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osu-lazer/osu.Game/Screens/Edit/Compose/Components/BeatDivisorControl.cs
2019-02-22 18:09:23 +09:00

394 lines
14 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 System.Linq;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Colour;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Graphics.Sprites;
using osu.Framework.Graphics.UserInterface;
using osu.Framework.Input.Events;
using osu.Game.Graphics;
using osu.Game.Graphics.UserInterface;
using osuTK;
using osuTK.Graphics;
using osuTK.Input;
namespace osu.Game.Screens.Edit.Compose.Components
{
public class BeatDivisorControl : CompositeDrawable
{
private readonly BindableBeatDivisor beatDivisor = new BindableBeatDivisor();
public BeatDivisorControl(BindableBeatDivisor beatDivisor)
{
this.beatDivisor.BindTo(beatDivisor);
}
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
Masking = true;
CornerRadius = 5;
InternalChildren = new Drawable[]
{
new Box
{
Name = "Gray Background",
RelativeSizeAxes = Axes.Both,
Colour = colours.Gray4
},
new GridContainer
{
RelativeSizeAxes = Axes.Both,
Content = new[]
{
new Drawable[]
{
new Container
{
RelativeSizeAxes = Axes.Both,
Children = new Drawable[]
{
new Box
{
Name = "Black Background",
RelativeSizeAxes = Axes.Both,
Colour = Color4.Black
},
new TickSliderBar(beatDivisor, BindableBeatDivisor.VALID_DIVISORS)
{
RelativeSizeAxes = Axes.Both,
}
}
}
},
new Drawable[]
{
new Container
{
RelativeSizeAxes = Axes.Both,
Children = new Drawable[]
{
new Box
{
RelativeSizeAxes = Axes.Both,
Colour = colours.Gray4
},
new Container
{
RelativeSizeAxes = Axes.Both,
Padding = new MarginPadding { Horizontal = 5 },
Child = new GridContainer
{
RelativeSizeAxes = Axes.Both,
Content = new[]
{
new Drawable[]
{
new DivisorButton
{
Icon = FontAwesome.fa_chevron_left,
Action = beatDivisor.Previous
},
new DivisorText(beatDivisor),
new DivisorButton
{
Icon = FontAwesome.fa_chevron_right,
Action = beatDivisor.Next
}
},
},
ColumnDimensions = new[]
{
new Dimension(GridSizeMode.Absolute, 20),
new Dimension(),
new Dimension(GridSizeMode.Absolute, 20)
}
}
}
}
}
},
new Drawable[]
{
new TextFlowContainer(s => s.Font = s.Font.With(size: 14))
{
Padding = new MarginPadding { Horizontal = 15 },
Text = "beat snap divisor",
RelativeSizeAxes = Axes.X,
TextAnchor = Anchor.TopCentre
},
}
},
RowDimensions = new[]
{
new Dimension(GridSizeMode.Absolute, 30),
new Dimension(GridSizeMode.Absolute, 25),
}
}
};
}
private class DivisorText : SpriteText
{
private readonly Bindable<int> beatDivisor = new Bindable<int>();
public DivisorText(BindableBeatDivisor beatDivisor)
{
this.beatDivisor.BindTo(beatDivisor);
Anchor = Anchor.Centre;
Origin = Anchor.Centre;
}
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
Colour = colours.BlueLighter;
}
protected override void LoadComplete()
{
base.LoadComplete();
beatDivisor.BindValueChanged(val => Text = $"1/{val.NewValue}", true);
}
}
private class DivisorButton : IconButton
{
public DivisorButton()
{
Anchor = Anchor.Centre;
Origin = Anchor.Centre;
// Small offset to look a bit better centered along with the divisor text
Y = 1;
ButtonSize = new Vector2(20);
IconScale = new Vector2(0.6f);
}
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
IconColour = Color4.Black;
HoverColour = colours.Gray7;
FlashColour = colours.Gray9;
}
}
private class TickSliderBar : SliderBar<int>
{
private Marker marker;
private readonly BindableBeatDivisor beatDivisor;
private readonly int[] availableDivisors;
public TickSliderBar(BindableBeatDivisor beatDivisor, params int[] divisors)
{
CurrentNumber.BindTo(this.beatDivisor = beatDivisor);
availableDivisors = divisors;
Padding = new MarginPadding { Horizontal = 5 };
}
[BackgroundDependencyLoader]
private void load()
{
foreach (var t in availableDivisors)
{
AddInternal(new Tick(t)
{
Anchor = Anchor.TopLeft,
Origin = Anchor.TopCentre,
RelativePositionAxes = Axes.X,
X = getMappedPosition(t)
});
}
AddInternal(marker = new Marker());
CurrentNumber.ValueChanged += div =>
{
marker.MoveToX(getMappedPosition(div.NewValue), 100, Easing.OutQuint);
marker.Flash();
};
}
protected override void UpdateValue(float value)
{
}
public override bool HandleNonPositionalInput => IsHovered && !CurrentNumber.Disabled;
protected override bool OnKeyDown(KeyDownEvent e)
{
switch (e.Key)
{
case Key.Right:
beatDivisor.Next();
OnUserChange(Current.Value);
return true;
case Key.Left:
beatDivisor.Previous();
OnUserChange(Current.Value);
return true;
default:
return false;
}
}
protected override bool OnMouseDown(MouseDownEvent e)
{
marker.Active = true;
return base.OnMouseDown(e);
}
protected override bool OnMouseUp(MouseUpEvent e)
{
marker.Active = false;
return base.OnMouseUp(e);
}
protected override bool OnClick(ClickEvent e)
{
handleMouseInput(e.ScreenSpaceMousePosition);
return true;
}
protected override bool OnDrag(DragEvent e)
{
handleMouseInput(e.ScreenSpaceMousePosition);
return true;
}
private void handleMouseInput(Vector2 screenSpaceMousePosition)
{
// copied from SliderBar so we can do custom spacing logic.
var xPosition = (ToLocalSpace(screenSpaceMousePosition).X - RangePadding) / UsableWidth;
CurrentNumber.Value = availableDivisors.OrderBy(d => Math.Abs(getMappedPosition(d) - xPosition)).First();
OnUserChange(Current.Value);
}
private float getMappedPosition(float divisor) => (float)Math.Pow((divisor - 1) / (availableDivisors.Last() - 1), 0.90f);
private class Tick : CompositeDrawable
{
private readonly int divisor;
public Tick(int divisor)
{
this.divisor = divisor;
Size = new Vector2(2.5f, 10);
InternalChild = new Box { RelativeSizeAxes = Axes.Both };
CornerRadius = 0.5f;
Masking = true;
}
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
Colour = getColourForDivisor(divisor, colours);
}
private ColourInfo getColourForDivisor(int divisor, OsuColour colours)
{
switch (divisor)
{
case 2:
return colours.BlueLight;
case 4:
return colours.Blue;
case 8:
return colours.BlueDarker;
case 16:
return colours.PurpleDark;
case 3:
return colours.YellowLight;
case 6:
return colours.Yellow;
case 12:
return colours.YellowDarker;
default:
return Color4.White;
}
}
}
private class Marker : CompositeDrawable
{
private Color4 defaultColour;
private const float size = 7;
[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
Colour = defaultColour = colours.Gray4;
Anchor = Anchor.TopLeft;
Origin = Anchor.TopCentre;
Width = size;
RelativeSizeAxes = Axes.Y;
RelativePositionAxes = Axes.X;
InternalChildren = new Drawable[]
{
new Box
{
Width = 2,
RelativeSizeAxes = Axes.Y,
Origin = Anchor.BottomCentre,
Anchor = Anchor.BottomCentre,
Colour = ColourInfo.GradientVertical(Color4.White.Opacity(0.2f), Color4.White),
Blending = BlendingMode.Additive,
},
new EquilateralTriangle
{
Origin = Anchor.BottomCentre,
Anchor = Anchor.BottomCentre,
Height = size,
EdgeSmoothness = new Vector2(1),
Colour = Color4.White,
}
};
}
private bool active;
public bool Active
{
get => active;
set
{
this.FadeColour(value ? Color4.White : defaultColour, 500, Easing.OutQuint);
active = value;
}
}
public void Flash()
{
bool wasActive = active;
Active = true;
if (wasActive) return;
using (BeginDelayedSequence(50))
Active = false;
}
}
}
}
}