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osu-lazer/osu.Game/Graphics/Cursor/MenuCursor.cs
2018-02-08 23:35:48 +09:00

158 lines
5.7 KiB
C#

// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using OpenTK;
using osu.Framework.Allocation;
using osu.Framework.Configuration;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Cursor;
using osu.Framework.Graphics.Sprites;
using osu.Framework.Input;
using osu.Game.Configuration;
using System;
using System.Diagnostics;
using osu.Framework.Graphics.Textures;
namespace osu.Game.Graphics.Cursor
{
public class MenuCursor : CursorContainer
{
protected override Drawable CreateCursor() => new Cursor();
private Bindable<bool> cursorRotate;
private bool dragging;
private bool startRotation;
protected override bool OnMouseMove(InputState state)
{
if (cursorRotate && dragging)
{
Debug.Assert(state.Mouse.PositionMouseDown != null);
// don't start rotating until we're moved a minimum distance away from the mouse down location,
// else it can have an annoying effect.
// ReSharper disable once PossibleInvalidOperationException
startRotation |= Vector2Extensions.Distance(state.Mouse.Position, state.Mouse.PositionMouseDown.Value) > 30;
if (startRotation)
{
Vector2 offset = state.Mouse.Position - state.Mouse.PositionMouseDown.Value;
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(state);
}
protected override bool OnDragStart(InputState state)
{
dragging = true;
return base.OnDragStart(state);
}
protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
{
ActiveCursor.Scale = new Vector2(1);
ActiveCursor.ScaleTo(0.90f, 800, Easing.OutQuint);
((Cursor)ActiveCursor).AdditiveLayer.Alpha = 0;
((Cursor)ActiveCursor).AdditiveLayer.FadeInFromZero(800, Easing.OutQuint);
return base.OnMouseDown(state, args);
}
protected override bool OnMouseUp(InputState state, MouseUpEventArgs args)
{
if (!state.Mouse.HasMainButtonPressed)
{
dragging = false;
startRotation = false;
((Cursor)ActiveCursor).AdditiveLayer.FadeOut(500, Easing.OutQuint);
ActiveCursor.RotateTo(0, 600 * (1 + Math.Abs(ActiveCursor.Rotation / 720)), Easing.OutElasticHalf);
ActiveCursor.ScaleTo(1, 500, Easing.OutElastic);
}
return base.OnMouseUp(state, args);
}
protected override bool OnClick(InputState state)
{
((Cursor)ActiveCursor).AdditiveLayer.FadeOutFromOne(500, Easing.OutQuint);
return base.OnClick(state);
}
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);
}
[BackgroundDependencyLoader]
private void load(OsuConfigManager config)
{
cursorRotate = config.GetBindable<bool>(OsuSetting.CursorRotation);
}
public class Cursor : Container
{
private Container cursorContainer;
private Bindable<double> 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 = BlendingMode.Additive,
Colour = colour.Pink,
Alpha = 0,
Texture = textures.Get(@"Cursor/menu-cursor-additive"),
},
}
}
};
cursorScale = config.GetBindable<double>(OsuSetting.MenuCursorSize);
cursorScale.ValueChanged += newScale => cursorContainer.Scale = new Vector2((float)newScale * base_scale);
cursorScale.TriggerChange();
}
}
}
}