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Add option to change controller LED color (#572)

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This allows the user to change the controller LED while using Ryujinx.
Useful for PS4 and PS5 controllers as an example.

You can also use a spectrum-cycling Rainbow color option, or turn the LED off for DualSense controllers.

---------

Co-authored-by: Evan Husted <greem@greemdev.net>
This commit is contained in:
Otozinclus 2025-01-24 21:47:36 +01:00 • committed by GitHub
parent c06f16c5e6
commit 1ce37ec317
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24 changed files with 399 additions and 44 deletions
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76
src/Ryujinx.Common/Utilities/Rainbow.cs Normal file
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using System;
using System.Drawing;
namespace Ryujinx.Common.Utilities
{
public class Rainbow
{
public const float Speed = 1;
public static Color Color { get; private set; } = Color.Blue;
public static void Tick()
{
Color = HsbToRgb(
(Color.GetHue() + Speed) / 360,
1,
1
);
RainbowColorUpdated?.Invoke(Color.ToArgb());
}
public static event Action<int> RainbowColorUpdated;
private static Color HsbToRgb(float hue, float saturation, float brightness)
{
int r = 0, g = 0, b = 0;
if (saturation == 0)
{
r = g = b = (int)(brightness * 255.0f + 0.5f);
}
else
{
float h = (hue - (float)Math.Floor(hue)) * 6.0f;
float f = h - (float)Math.Floor(h);
float p = brightness * (1.0f - saturation);
float q = brightness * (1.0f - saturation * f);
float t = brightness * (1.0f - (saturation * (1.0f - f)));
switch ((int)h)
{
case 0:
r = (int)(brightness * 255.0f + 0.5f);
g = (int)(t * 255.0f + 0.5f);
b = (int)(p * 255.0f + 0.5f);
break;
case 1:
r = (int)(q * 255.0f + 0.5f);
g = (int)(brightness * 255.0f + 0.5f);
b = (int)(p * 255.0f + 0.5f);
break;
case 2:
r = (int)(p * 255.0f + 0.5f);
g = (int)(brightness * 255.0f + 0.5f);
b = (int)(t * 255.0f + 0.5f);
break;
case 3:
r = (int)(p * 255.0f + 0.5f);
g = (int)(q * 255.0f + 0.5f);
b = (int)(brightness * 255.0f + 0.5f);
break;
case 4:
r = (int)(t * 255.0f + 0.5f);
g = (int)(p * 255.0f + 0.5f);
b = (int)(brightness * 255.0f + 0.5f);
break;
case 5:
r = (int)(brightness * 255.0f + 0.5f);
g = (int)(p * 255.0f + 0.5f);
b = (int)(q * 255.0f + 0.5f);
break;
}
}
return Color.FromArgb(Convert.ToByte(255), Convert.ToByte(r), Convert.ToByte(g), Convert.ToByte(b));
}
}
}