CorsairHelper.cs

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using System;
using System.Runtime.InteropServices;
using Microsoft.Xna.Framework;
 
namespace ReLogic.Peripherals.RGB.Corsair;
 
internal static class CorsairHelper
{
    public static Fragment CreateFragment(CorsairLedPosition[] leds, Vector2 offset)
    {
        //IL_0036: Unknown result type (might be due to invalid IL or missing references)
        //IL_004b: Unknown result type (might be due to invalid IL or missing references)
        //IL_006b: Unknown result type (might be due to invalid IL or missing references)
        //IL_0083: Unknown result type (might be due to invalid IL or missing references)
        //IL_00e8: Unknown result type (might be due to invalid IL or missing references)
        //IL_00ea: Unknown result type (might be due to invalid IL or missing references)
        //IL_0189: Unknown result type (might be due to invalid IL or missing references)
        //IL_018e: Unknown result type (might be due to invalid IL or missing references)
        Point[] array = (Point[])(object)new Point[leds.Length];
        Vector2[] array2 = (Vector2[])(object)new Vector2[leds.Length];
        double num = 0.0;
        double num2 = 0.0;
        if (leds.Length != 0)
        {
            num = leds[0].Top + (double)offset.Y;
            num2 = leds[0].Top + (double)offset.Y;
        }
        Point point = default(Point);
        for (int i = 0; i < leds.Length; i++)
        {
            leds[i].Left += offset.X;
            leds[i].Top += offset.Y;
            ((Point)(ref point))._002Ector((int)Math.Floor((leds[i].Left + leds[i].Width * 0.5) / 20.0), (int)Math.Floor(leds[i].Top / 20.0));
            array[i] = point;
            num = Math.Min(leds[i].Top, num);
            num2 = Math.Max(leds[i].Top, num2);
        }
        double num3 = 1.0;
        if (num != num2)
        {
            num3 = 1.0 / (num2 - num);
        }
        for (int j = 0; j < leds.Length; j++)
        {
            array2[j] = new Vector2((float)((leds[j].Left + leds[j].Width * 0.5) * num3), (float)((leds[j].Top - num) * num3));
        }
        return Fragment.FromCustom(array, array2);
    }
 
    public static CorsairLedPosition[] GetLedPositionsForMouseMatOrKeyboard(int deviceIndex)
    {
        IntPtr intPtr = NativeMethods.CorsairGetLedPositionsByDeviceIndex(deviceIndex);
        if (intPtr == IntPtr.Zero)
        {
            return new CorsairLedPosition[0];
        }
        CorsairLedPositions corsairLedPositions = (CorsairLedPositions)Marshal.PtrToStructure(intPtr, typeof(CorsairLedPositions));
        int numberOfLed = corsairLedPositions.NumberOfLed;
        CorsairLedPosition[] array = new CorsairLedPosition[numberOfLed];
        int num = Marshal.SizeOf(typeof(CorsairLedPosition));
        for (int i = 0; i < numberOfLed; i++)
        {
            array[i] = (CorsairLedPosition)Marshal.PtrToStructure(corsairLedPositions.LedPositionPtr, typeof(CorsairLedPosition));
            corsairLedPositions.LedPositionPtr += num;
        }
        return array;
    }
}