/// <summary>
/// Get joystick's status.
/// </summary>
///
/// <returns>Returns current status of initialized joystick, which provides information
/// about current state of all axes, buttons and point of view.</returns>
///
/// <remarks><para><note>Before using this method the joystick object needs to be initialized
/// using <see cref="Init"/> method or <see cref="Joystick(int)"/> constructor.</note></para></remarks>
///
/// <exception cref="NotConnectedException">The requested joystick is not connected to the system.</exception>
/// <exception cref="ApplicationException">Joystick was not initialized.</exception>
///
public Status GetCurrentStatus()
{
JoystickAPI.JOYINFOEX ji = new JoystickAPI.JOYINFOEX();
ji.size = System.Runtime.InteropServices.Marshal.SizeOf(ji);
ji.flags = (Info.capabilities.axesNumber > 5) ? JoystickAPI.JoyPosFlags.ReturnAll :
requestFlags[Info.capabilities.axesNumber];
if (JoystickAPI.joyGetPosEx(Info.ID, ji) != JoystickAPI.ResultCode.NoError)
{
throw new NotConnectedException("The requested joystick is not connected to the system.");
}
return(new Status(ji, Info.capabilities));
}
/// <summary>
/// Initialize joystick with the specified ID.
/// </summary>
///
/// <param name="id">Joystick's ID to initialize, [0, 15].</param>
///
/// <remarks><para></para></remarks>
///
/// <exception cref="ArgumentException">Invalid joystick ID was specified. It must be in [0, 15] range.</exception>
/// <exception cref="NotConnectedException">The requested joystick is not connected to the system.</exception>
///
public void Init(int id)
{
if ((id < 0) || (id > 15))
{
throw new ArgumentException("Invalid joystick ID was specified.");
}
JoystickAPI.JOYCAPS joyCaps = new JoystickAPI.JOYCAPS();
if (JoystickAPI.joyGetDevCapsW(id, joyCaps,
System.Runtime.InteropServices.Marshal.SizeOf(joyCaps)) != JoystickAPI.ResultCode.NoError)
{
throw new NotConnectedException("The requested joystick is not connected to the system.");
}
info = new DeviceInfo(id, joyCaps);
}
/// <summary>
/// Get list of available joysticks connected to the system.
/// </summary>
///
/// <returns>Returns list containing information about available joysticks connected to
/// the system.</returns>
///
public static List <DeviceInfo> GetAvailableDevices()
{
List <DeviceInfo> devices = new List <DeviceInfo>();
int joyCapsSize = System.Runtime.InteropServices.Marshal.SizeOf(typeof(JoystickAPI.JOYCAPS));
// get number of devices
int devicesCount = JoystickAPI.joyGetNumDevs();
// check all devices
for (int i = 0; i < devicesCount; i++)
{
JoystickAPI.JOYCAPS joyCaps = new JoystickAPI.JOYCAPS();
if (JoystickAPI.joyGetDevCapsW(i, joyCaps, joyCapsSize) == JoystickAPI.ResultCode.NoError)
{
devices.Add(new DeviceInfo(i, joyCaps));
}
}
return(devices);
}
internal Status(JoystickAPI.JOYINFOEX status, JoystickAPI.JOYCAPS capabilities)
{
this.status = status;
this.capabilities = capabilities;
}
internal DeviceInfo(int id, JoystickAPI.JOYCAPS joyCaps)
{
ID = id;
capabilities = joyCaps;
}