internal unsafe static bool TryRegisterPS4Controller(IntPtr handle, out Ps4Controller controller, out string product)
{
controller = null;
var devName = GetRawInputDeviceName(handle);
char[] arr = new char[126];
product = null;
var devHandle = CreateFileW(devName, FileAccess.Read, FileShare.ReadWrite, IntPtr.Zero, FileMode.Open, FileAttributes.Normal, IntPtr.Zero);
fixed(char *p = arr)
{
if (HidD_GetProductString(devHandle, p, 126))
{
product = new string(p);
var index = product.IndexOf('\0');
if (index != -1)
{
product.Remove(index);
}
}
}
if (product == "Wireless Controller")
{
var preparsedData = IntPtr.Zero;
if (!HidD_GetPreparsedData(devHandle, ref preparsedData))
{
devHandle.Close();
return(false);
}
HidPCaps caps = new HidPCaps();
if (HidP_GetCaps(preparsedData, ref caps) != NTStatus.Success)
{
HidD_FreePreparsedData(ref preparsedData);
devHandle.Close();
return(false);
}
if (caps.InputReportByteLength == 64)
{
HidD_FreePreparsedData(ref preparsedData);
controller = new Ps4Controller(devHandle, caps);
return(true);
}
else
{
devHandle.Close();
return(false);
}
}
devHandle.Close();
return(false);
}
internal static extern NTStatus HidP_GetCaps(
[In] IntPtr preparsedData,
[In, Out] ref HidPCaps caps
);
