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osu-lazer/osu.Game/Screens/Menu/Button.cs
2017-07-09 18:23:34 +09:00

281 lines
10 KiB
C#

// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using osu.Framework;
using osu.Framework.Allocation;
using osu.Framework.Audio;
using osu.Framework.Audio.Sample;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Input;
using osu.Game.Graphics;
using osu.Game.Graphics.Sprites;
using OpenTK;
using OpenTK.Graphics;
using OpenTK.Input;
using osu.Framework.Extensions.Color4Extensions;
using osu.Game.Graphics.Containers;
using osu.Framework.Audio.Track;
using osu.Game.Beatmaps.ControlPoints;
namespace osu.Game.Screens.Menu
{
/// <summary>
/// Button designed specifically for the osu!next main menu.
/// In order to correctly flow, we have to use a negative margin on the parent container (due to the parallelogram shape).
/// </summary>
public class Button : BeatSyncedContainer, IStateful<ButtonState>
{
private readonly Container iconText;
private readonly Container box;
private readonly Box boxHoverLayer;
private readonly TextAwesome icon;
private readonly string sampleName;
private readonly Action clickAction;
private readonly Key triggerKey;
private SampleChannel sampleClick;
private SampleChannel sampleHover;
public override bool ReceiveMouseInputAt(Vector2 screenSpacePos) => box.ReceiveMouseInputAt(screenSpacePos);
public Button(string text, string sampleName, FontAwesome symbol, Color4 colour, Action clickAction = null, float extraWidth = 0, Key triggerKey = Key.Unknown)
{
this.sampleName = sampleName;
this.clickAction = clickAction;
this.triggerKey = triggerKey;
AutoSizeAxes = Axes.Both;
Alpha = 0;
Vector2 boxSize = new Vector2(ButtonSystem.BUTTON_WIDTH + Math.Abs(extraWidth), ButtonSystem.BUTTON_AREA_HEIGHT);
Children = new Drawable[]
{
box = new Container
{
Masking = true,
MaskingSmoothness = 2,
EdgeEffect = new EdgeEffectParameters
{
Type = EdgeEffectType.Shadow,
Colour = Color4.Black.Opacity(0.2f),
Roundness = 5,
Radius = 8,
},
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Scale = new Vector2(0, 1),
Size = boxSize,
Shear = new Vector2(ButtonSystem.WEDGE_WIDTH / boxSize.Y, 0),
Children = new[]
{
new Box
{
EdgeSmoothness = new Vector2(1.5f, 0),
RelativeSizeAxes = Axes.Both,
Colour = colour,
},
boxHoverLayer = new Box
{
EdgeSmoothness = new Vector2(1.5f, 0),
RelativeSizeAxes = Axes.Both,
BlendingMode = BlendingMode.Additive,
Colour = Color4.White,
Alpha = 0,
},
}
},
iconText = new Container
{
AutoSizeAxes = Axes.Both,
Position = new Vector2(extraWidth / 2, 0),
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Children = new Drawable[]
{
icon = new TextAwesome
{
Shadow = true,
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
TextSize = 30,
Position = new Vector2(0, 0),
Icon = symbol
},
new OsuSpriteText
{
Shadow = true,
AllowMultiline = false,
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
TextSize = 16,
Position = new Vector2(0, 35),
Text = text
}
}
}
};
}
protected override void OnNewBeat(int beatIndex, TimingControlPoint timingPoint, EffectControlPoint effectPoint, TrackAmplitudes amplitudes)
{
base.OnNewBeat(beatIndex, timingPoint, effectPoint, amplitudes);
if (!IsHovered) return;
bool rightward = beatIndex % 2 == 1;
double duration = timingPoint.BeatLength / 2;
icon.RotateTo(rightward ? 10 : -10, duration * 2, EasingTypes.InOutSine);
icon.MoveToY(-10, duration, EasingTypes.Out);
icon.ScaleTo(Vector2.One, duration, EasingTypes.Out);
using (icon.BeginDelayedSequence(duration))
{
icon.MoveToY(0, duration, EasingTypes.In);
icon.ScaleTo(new Vector2(1, 0.9f), duration, EasingTypes.In);
}
}
protected override bool OnHover(InputState state)
{
if (State != ButtonState.Expanded) return true;
sampleHover?.Play();
box.ScaleTo(new Vector2(1.5f, 1), 500, EasingTypes.OutElastic);
double duration = TimeUntilNextBeat;
icon.ClearTransforms();
icon.RotateTo(10, duration, EasingTypes.InOutSine);
icon.ScaleTo(new Vector2(1, 0.9f), duration, EasingTypes.Out);
return true;
}
protected override void OnHoverLost(InputState state)
{
icon.ClearTransforms();
icon.RotateTo(0, 500, EasingTypes.Out);
icon.MoveTo(Vector2.Zero, 500, EasingTypes.Out);
icon.ScaleTo(Vector2.One, 200, EasingTypes.Out);
if (State == ButtonState.Expanded)
box.ScaleTo(new Vector2(1, 1), 500, EasingTypes.OutElastic);
}
[BackgroundDependencyLoader]
private void load(AudioManager audio)
{
sampleHover = audio.Sample.Get(@"Menu/hover");
if (!string.IsNullOrEmpty(sampleName))
sampleClick = audio.Sample.Get($@"Menu/{sampleName}");
}
protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
{
boxHoverLayer.FadeTo(0.1f, 1000, EasingTypes.OutQuint);
return base.OnMouseDown(state, args);
}
protected override bool OnMouseUp(InputState state, MouseUpEventArgs args)
{
boxHoverLayer.FadeTo(0, 1000, EasingTypes.OutQuint);
return base.OnMouseUp(state, args);
}
protected override bool OnClick(InputState state)
{
trigger();
return true;
}
protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
{
if (args.Repeat || state.Keyboard.ControlPressed || state.Keyboard.ShiftPressed || state.Keyboard.AltPressed)
return false;
if (triggerKey == args.Key && triggerKey != Key.Unknown)
{
trigger();
return true;
}
return false;
}
private void trigger()
{
sampleClick?.Play();
clickAction?.Invoke();
boxHoverLayer.ClearTransforms();
boxHoverLayer.Alpha = 0.9f;
boxHoverLayer.FadeOut(800, EasingTypes.OutExpo);
}
public override bool HandleInput => state != ButtonState.Exploded && box.Scale.X >= 0.8f;
protected override void Update()
{
iconText.Alpha = MathHelper.Clamp((box.Scale.X - 0.5f) / 0.3f, 0, 1);
base.Update();
}
public int ContractStyle;
private ButtonState state;
public ButtonState State
{
get { return state; }
set
{
if (state == value)
return;
state = value;
switch (state)
{
case ButtonState.Contracted:
switch (ContractStyle)
{
default:
box.ScaleTo(new Vector2(0, 1), 500, EasingTypes.OutExpo);
FadeOut(500);
break;
case 1:
box.ScaleTo(new Vector2(0, 1), 400, EasingTypes.InSine);
FadeOut(800);
break;
}
break;
case ButtonState.Expanded:
const int expand_duration = 500;
box.ScaleTo(new Vector2(1, 1), expand_duration, EasingTypes.OutExpo);
FadeIn(expand_duration / 6f);
break;
case ButtonState.Exploded:
const int explode_duration = 200;
box.ScaleTo(new Vector2(2, 1), explode_duration, EasingTypes.OutExpo);
FadeOut(explode_duration / 4f * 3);
break;
}
}
}
}
public enum ButtonState
{
Contracted,
Expanded,
Exploded
}
}