/// <summary>
/// Initializes a new PS4 controller.
/// </summary>
/// <param name="read">The "file" that the controller sends info to.</param>
/// <param name="info">The capabilities of the controller.</param>
internal Ps4Controller(SafeFileHandle read, HidPCaps info)
{
_handleRead = read;
_caps = info;
_fsRead = new FileStream(read, FileAccess.ReadWrite, _caps.InputReportByteLength, false);
// Typically you don't want to explicitly new an enum as it can cause undefined results.
// However Monogame doesn't have a default value for Buttons, so we're forced to.
// This will make it so the variable is equal to 0, therefore having no flags set.
// We could also just set the variable to zero, but this way is clearer to me.
CurrentFrameState = new Buttons();
PreviousFrameState = new Buttons();
AsyncState = new Buttons();
//Start reading the file.
ReadAsync();
//Determine the controller index.
if (_openSlots.Count == 0)
{
Index = _count++;
}
else
{
Index = _openSlots.Min();
_openSlots.Remove(Index);
}
Ps4Input.OnControllerConnected(this);
}
/// <summary>
/// Dispose of all dynamic resources. Trigger Disconnect event.
/// </summary>
private void Close()
{
if (IsConnected)
{
if (_fsRead != null)
{
_fsRead.Close();
}
if (_handleRead != null && !_handleRead.IsInvalid)
{
_handleRead.Close();
}
_openSlots.Add(Index);
--_count;
Ps4Input.OnControllerDisconnected(Index);
IsConnected = false;
}
}