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osu-lazer/osu.Game.Rulesets.Osu/UI/Cursor/OsuCursor.cs
2019-04-09 16:27:10 +09:00

150 lines
5.5 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.Bindables;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Effects;
using osu.Framework.Graphics.Shapes;
using osu.Game.Beatmaps;
using osu.Game.Configuration;
using osu.Game.Skinning;
using osuTK;
using osuTK.Graphics;
namespace osu.Game.Rulesets.Osu.UI.Cursor
{
public class OsuCursor : SkinReloadableDrawable
{
private bool cursorExpand;
private Bindable<double> cursorScale;
private Bindable<bool> autoCursorScale;
private readonly IBindable<WorkingBeatmap> beatmap = new Bindable<WorkingBeatmap>();
private Container expandTarget;
private Drawable scaleTarget;
public OsuCursor()
{
Origin = Anchor.Centre;
Size = new Vector2(28);
}
protected override void SkinChanged(ISkinSource skin, bool allowFallback)
{
cursorExpand = skin.GetValue<SkinConfiguration, bool>(s => s.CursorExpand ?? true);
}
[BackgroundDependencyLoader]
private void load(OsuConfigManager config, IBindable<WorkingBeatmap> beatmap)
{
InternalChild = expandTarget = new Container
{
RelativeSizeAxes = Axes.Both,
Origin = Anchor.Centre,
Anchor = Anchor.Centre,
Child = scaleTarget = new SkinnableDrawable("cursor", _ => new CircularContainer
{
RelativeSizeAxes = Axes.Both,
Masking = true,
BorderThickness = Size.X / 6,
BorderColour = Color4.White,
EdgeEffect = new EdgeEffectParameters
{
Type = EdgeEffectType.Shadow,
Colour = Color4.Pink.Opacity(0.5f),
Radius = 5,
},
Children = new Drawable[]
{
new Box
{
RelativeSizeAxes = Axes.Both,
Alpha = 0,
AlwaysPresent = true,
},
new CircularContainer
{
Origin = Anchor.Centre,
Anchor = Anchor.Centre,
RelativeSizeAxes = Axes.Both,
Masking = true,
BorderThickness = Size.X / 3,
BorderColour = Color4.White.Opacity(0.5f),
Children = new Drawable[]
{
new Box
{
RelativeSizeAxes = Axes.Both,
Alpha = 0,
AlwaysPresent = true,
},
},
},
new CircularContainer
{
Origin = Anchor.Centre,
Anchor = Anchor.Centre,
RelativeSizeAxes = Axes.Both,
Scale = new Vector2(0.1f),
Masking = true,
Children = new Drawable[]
{
new Box
{
RelativeSizeAxes = Axes.Both,
Colour = Color4.White,
},
},
},
}
}, restrictSize: false)
{
Origin = Anchor.Centre,
Anchor = Anchor.Centre,
RelativeSizeAxes = Axes.Both,
}
};
this.beatmap.BindTo(beatmap);
this.beatmap.ValueChanged += _ => calculateScale();
cursorScale = config.GetBindable<double>(OsuSetting.GameplayCursorSize);
cursorScale.ValueChanged += _ => calculateScale();
autoCursorScale = config.GetBindable<bool>(OsuSetting.AutoCursorSize);
autoCursorScale.ValueChanged += _ => calculateScale();
calculateScale();
}
private void calculateScale()
{
float scale = (float)cursorScale.Value;
if (autoCursorScale.Value && beatmap.Value != null)
{
// if we have a beatmap available, let's get its circle size to figure out an automatic cursor scale modifier.
scale *= (float)(1 - 0.7 * (1 + beatmap.Value.BeatmapInfo.BaseDifficulty.CircleSize - BeatmapDifficulty.DEFAULT_DIFFICULTY) / BeatmapDifficulty.DEFAULT_DIFFICULTY);
}
scaleTarget.Scale = new Vector2(scale);
}
private const float pressed_scale = 1.2f;
private const float released_scale = 1f;
public void Expand()
{
if (!cursorExpand) return;
expandTarget.ScaleTo(released_scale).ScaleTo(pressed_scale, 100, Easing.OutQuad);
}
public void Contract() => expandTarget.ScaleTo(released_scale, 100, Easing.OutQuad);
}
}