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osu-lazer/osu.Game/Overlays/Mods/ModButton.cs
2017-11-27 18:53:19 +09:00

264 lines
8.1 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 OpenTK;
using OpenTK.Graphics;
using OpenTK.Input;
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.Sprites;
using osu.Framework.Input;
using osu.Game.Graphics.Sprites;
using osu.Game.Rulesets.Mods;
using osu.Game.Rulesets.UI;
using System;
using System.Linq;
using osu.Framework.Graphics.Cursor;
using osu.Game.Graphics.UserInterface;
namespace osu.Game.Overlays.Mods
{
/// <summary>
/// Represents a clickable button which can cycle through one of more mods.
/// </summary>
public class ModButton : ModButtonEmpty, IHasTooltip
{
private ModIcon foregroundIcon;
private ModIcon backgroundIcon;
private readonly SpriteText text;
private readonly Container<ModIcon> iconsContainer;
private SampleChannel sampleOn, sampleOff;
public Action<Mod> Action; // Passed the selected mod or null if none
public string TooltipText => (SelectedMod?.Description ?? Mods.FirstOrDefault()?.Description) ?? string.Empty;
private const Easing mod_switch_easing = Easing.InOutSine;
private const double mod_switch_duration = 120;
// A selected index of -1 means not selected.
private int selectedIndex = -1;
protected int SelectedIndex
{
get
{
return selectedIndex;
}
set
{
if (value == selectedIndex) return;
int direction = value < selectedIndex ? -1 : 1;
bool beforeSelected = Selected;
Mod modBefore = SelectedMod ?? Mods[0];
if (value >= Mods.Length)
selectedIndex = -1;
else if (value < -1)
selectedIndex = Mods.Length - 1;
else
selectedIndex = value;
Mod modAfter = SelectedMod ?? Mods[0];
if (beforeSelected != Selected)
{
iconsContainer.RotateTo(Selected ? 5f : 0f, 300, Easing.OutElastic);
iconsContainer.ScaleTo(Selected ? 1.1f : 1f, 300, Easing.OutElastic);
}
if (modBefore != modAfter)
{
const float rotate_angle = 16;
foregroundIcon.RotateTo(rotate_angle * direction, mod_switch_duration, mod_switch_easing);
backgroundIcon.RotateTo(-rotate_angle * direction, mod_switch_duration, mod_switch_easing);
backgroundIcon.Icon = modAfter.Icon;
using (BeginDelayedSequence(mod_switch_duration, true))
{
foregroundIcon
.RotateTo(-rotate_angle * direction)
.RotateTo(0f, mod_switch_duration, mod_switch_easing);
backgroundIcon
.RotateTo(rotate_angle * direction)
.RotateTo(0f, mod_switch_duration, mod_switch_easing);
Schedule(() => displayMod(modAfter));
}
}
foregroundIcon.Highlighted = Selected;
}
}
public bool Selected => SelectedIndex != -1;
private Color4 selectedColour;
public Color4 SelectedColour
{
get
{
return selectedColour;
}
set
{
if (value == selectedColour) return;
selectedColour = value;
if (Selected) foregroundIcon.Colour = value;
}
}
private Mod mod;
public Mod Mod
{
get
{
return mod;
}
set
{
mod = value;
if (mod == null)
{
Mods = Array.Empty<Mod>();
Alpha = 0;
}
else
{
Mods = (mod as MultiMod)?.Mods ?? new[] { mod };
Alpha = 1;
}
createIcons();
if (Mods.Length > 0)
{
displayMod(Mods[0]);
}
}
}
public Mod[] Mods { get; private set; }
// the mods from Mod, only multiple if Mod is a MultiMod
public virtual Mod SelectedMod => Mods.ElementAtOrDefault(SelectedIndex);
[BackgroundDependencyLoader]
private void load(AudioManager audio)
{
sampleOn = audio.Sample.Get(@"UI/check-on");
sampleOff = audio.Sample.Get(@"UI/check-off");
}
protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
{
switch (args.Button)
{
case MouseButton.Left:
SelectNext();
break;
case MouseButton.Right:
SelectPrevious();
break;
}
return true;
}
public void SelectNext()
{
(++SelectedIndex == Mods.Length ? sampleOff : sampleOn).Play();
Action?.Invoke(SelectedMod);
}
public void SelectPrevious()
{
(--SelectedIndex == -1 ? sampleOff : sampleOn).Play();
Action?.Invoke(SelectedMod);
}
public void Deselect()
{
SelectedIndex = -1;
}
private void displayMod(Mod mod)
{
if (backgroundIcon != null)
backgroundIcon.Icon = foregroundIcon.Icon;
foregroundIcon.Icon = mod.Icon;
text.Text = mod.Name;
}
private void createIcons()
{
iconsContainer.Clear();
if (Mods.Length > 1)
{
iconsContainer.AddRange(new[]
{
backgroundIcon = new ModIcon(Mods[1])
{
Origin = Anchor.BottomRight,
Anchor = Anchor.BottomRight,
Position = new Vector2(1.5f),
},
foregroundIcon = new ModIcon(Mods[0])
{
Origin = Anchor.BottomRight,
Anchor = Anchor.BottomRight,
Position = new Vector2(-1.5f),
},
});
}
else
{
iconsContainer.Add(foregroundIcon = new ModIcon(Mod)
{
Origin = Anchor.Centre,
Anchor = Anchor.Centre,
});
}
}
public ModButton(Mod mod)
{
Children = new Drawable[]
{
new Container
{
Size = new Vector2(77f, 80f),
Origin = Anchor.TopCentre,
Anchor = Anchor.TopCentre,
Children = new Drawable[]
{
iconsContainer = new Container<ModIcon>
{
RelativeSizeAxes = Axes.Both,
Origin = Anchor.Centre,
Anchor = Anchor.Centre,
}
}
},
text = new OsuSpriteText
{
Y = 75,
Origin = Anchor.TopCentre,
Anchor = Anchor.TopCentre,
TextSize = 18,
},
new HoverClickSounds()
};
Mod = mod;
}
}
}