osu/osu.Game/Graphics/Cursor/MenuCursor.cs

175 lines
6.3 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 osuTK;
using osu.Framework.Allocation;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Cursor;
using osu.Framework.Graphics.Sprites;
using osu.Game.Configuration;
using System;
using JetBrains.Annotations;
using osu.Framework.Bindables;
using osu.Framework.Graphics.Textures;
using osu.Framework.Input.Events;
using osuTK.Input;
namespace osu.Game.Graphics.Cursor
{
public class MenuCursor : CursorContainer
{
private readonly IBindable<bool> screenshotCursorVisibility = new Bindable<bool>(true);
public override bool IsPresent => screenshotCursorVisibility.Value && base.IsPresent;
protected override Drawable CreateCursor() => activeCursor = new Cursor();
private Cursor activeCursor;
private Bindable<bool> cursorRotate;
private DragRotationState dragRotationState;
private Vector2 positionMouseDown;
[BackgroundDependencyLoader(true)]
private void load([NotNull] OsuConfigManager config, [CanBeNull] ScreenshotManager screenshotManager)
{
cursorRotate = config.GetBindable<bool>(OsuSetting.CursorRotation);
if (screenshotManager != null)
screenshotCursorVisibility.BindTo(screenshotManager.CursorVisibility);
}
protected override bool OnMouseMove(MouseMoveEvent e)
{
if (dragRotationState != DragRotationState.NotDragging)
{
var position = e.MousePosition;
var distance = Vector2Extensions.Distance(position, positionMouseDown);
// don't start rotating until we're moved a minimum distance away from the mouse down location,
// else it can have an annoying effect.
if (dragRotationState == DragRotationState.DragStarted && distance > 30)
dragRotationState = DragRotationState.Rotating;
// don't rotate when distance is zero to avoid NaN
if (dragRotationState == DragRotationState.Rotating && distance > 0)
{
Vector2 offset = e.MousePosition - positionMouseDown;
float degrees = (float)MathHelper.RadiansToDegrees(Math.Atan2(-offset.X, offset.Y)) + 24.3f;
// Always rotate in the direction of least distance
float diff = (degrees - activeCursor.Rotation) % 360;
if (diff < -180) diff += 360;
if (diff > 180) diff -= 360;
degrees = activeCursor.Rotation + diff;
activeCursor.RotateTo(degrees, 600, Easing.OutQuint);
}
}
return base.OnMouseMove(e);
}
protected override bool OnMouseDown(MouseDownEvent e)
{
// only trigger animation for main mouse buttons
if (e.Button <= MouseButton.Right)
{
activeCursor.Scale = new Vector2(1);
activeCursor.ScaleTo(0.90f, 800, Easing.OutQuint);
activeCursor.AdditiveLayer.Alpha = 0;
activeCursor.AdditiveLayer.FadeInFromZero(800, Easing.OutQuint);
}
if (e.Button == MouseButton.Left && cursorRotate.Value)
{
dragRotationState = DragRotationState.DragStarted;
positionMouseDown = e.MousePosition;
}
return base.OnMouseDown(e);
}
protected override bool OnMouseUp(MouseUpEvent e)
{
if (!e.IsPressed(MouseButton.Left) && !e.IsPressed(MouseButton.Right))
{
activeCursor.AdditiveLayer.FadeOutFromOne(500, Easing.OutQuint);
activeCursor.ScaleTo(1, 500, Easing.OutElastic);
}
if (e.Button == MouseButton.Left)
{
if (dragRotationState == DragRotationState.Rotating)
activeCursor.RotateTo(0, 600 * (1 + Math.Abs(activeCursor.Rotation / 720)), Easing.OutElasticHalf);
dragRotationState = DragRotationState.NotDragging;
}
return base.OnMouseUp(e);
}
protected override void PopIn()
{
activeCursor.FadeTo(1, 250, Easing.OutQuint);
activeCursor.ScaleTo(1, 400, Easing.OutQuint);
}
protected override void PopOut()
{
activeCursor.FadeTo(0, 250, Easing.OutQuint);
activeCursor.ScaleTo(0.6f, 250, Easing.In);
}
public class Cursor : Container
{
private Container cursorContainer;
private Bindable<float> cursorScale;
private const float base_scale = 0.15f;
public Sprite AdditiveLayer;
public Cursor()
{
AutoSizeAxes = Axes.Both;
}
[BackgroundDependencyLoader]
private void load(OsuConfigManager config, TextureStore textures, OsuColour colour)
{
Children = new Drawable[]
{
cursorContainer = new Container
{
AutoSizeAxes = Axes.Both,
Children = new Drawable[]
{
new Sprite
{
Texture = textures.Get(@"Cursor/menu-cursor"),
},
AdditiveLayer = new Sprite
{
Blending = BlendingParameters.Additive,
Colour = colour.Pink,
Alpha = 0,
Texture = textures.Get(@"Cursor/menu-cursor-additive"),
},
}
}
};
cursorScale = config.GetBindable<float>(OsuSetting.MenuCursorSize);
cursorScale.BindValueChanged(scale => cursorContainer.Scale = new Vector2(scale.NewValue * base_scale), true);
}
}
private enum DragRotationState
{
NotDragging,
DragStarted,
Rotating,
}
}
}