osu/osu.Game/Screens/Edit/BindableBeatDivisor.cs

79 lines
2.4 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 System;
using System.Linq;
using osu.Framework.Bindables;
using osu.Framework.Graphics.Colour;
using osu.Game.Graphics;
using osuTK.Graphics;
namespace osu.Game.Screens.Edit
{
public class BindableBeatDivisor : BindableNumber<int>
{
public static readonly int[] VALID_DIVISORS = { 1, 2, 3, 4, 6, 8, 12, 16 };
public BindableBeatDivisor(int value = 1)
: base(value)
{
}
public void Next() => Value = VALID_DIVISORS[Math.Min(VALID_DIVISORS.Length - 1, Array.IndexOf(VALID_DIVISORS, Value) + 1)];
public void Previous() => Value = VALID_DIVISORS[Math.Max(0, Array.IndexOf(VALID_DIVISORS, Value) - 1)];
public override int Value
{
get => base.Value;
set
{
if (!VALID_DIVISORS.Contains(value))
throw new ArgumentOutOfRangeException($"Provided divisor is not in {nameof(VALID_DIVISORS)}");
base.Value = value;
}
}
protected override int DefaultMinValue => VALID_DIVISORS.First();
protected override int DefaultMaxValue => VALID_DIVISORS.Last();
protected override int DefaultPrecision => 1;
/// <summary>
/// Retrieves the appropriate colour for a beat divisor.
/// </summary>
/// <param name="beatDivisor">The beat divisor.</param>
/// <param name="colours">The set of colours.</param>
/// <returns>The applicable colour from <paramref name="colours"/> for <paramref name="beatDivisor"/>.</returns>
public static ColourInfo GetColourFor(int beatDivisor, OsuColour colours)
{
switch (beatDivisor)
{
case 2:
return colours.BlueLight;
case 4:
return colours.Blue;
case 8:
return colours.BlueDarker;
case 16:
return colours.PurpleDark;
case 3:
return colours.YellowLight;
case 6:
return colours.Yellow;
case 12:
return colours.YellowDarker;
default:
return Color4.White;
}
}
}
}