private static void AddGamePadInstance(int deviceId)
{
if (GamePad.ConnectedGamePads == GamePad.GamepadMaxCount)
{
return;
}
Console.WriteLine("GamePad Added");
// Clear the error buffer. We're about to do a LOT of dangerous stuff.
SDL_ClearError();
int which = GamePad.ConnectedGamePads++;
// Open the device!
_gamepadDevices[which] = SDL_GameControllerOpen(deviceId);
// We use this when dealing with GUID initialization.
IntPtr thisJoystick = SDL_GameControllerGetJoystick(_gamepadDevices[which]);
int thisInstance = SDL_JoystickInstanceID(thisJoystick);
GamepadInstances.Add(thisInstance, which);
// Start with a fresh state.
GamepadStates[which] = new GamePadState();
GamepadStates[which].IsConnected = true;
// Initialize the haptics for the joystick, if applicable.
bool hasRumble = SDL_GameControllerRumble(
_gamepadDevices[which],
0,
0,
0
) == 0;
GamePadCapabilities caps = new GamePadCapabilities();
caps.IsConnected = true;
caps.GamePadType = GamepadTypes[(int)SDL_JoystickGetType(thisJoystick)];
caps.HasAButton = SDL_GameControllerGetBindForButton(
_gamepadDevices[which],
SdlGameControllerButton.SdlControllerButtonA
).bindType != SdlGameControllerBindType.SdlControllerBindtypeNone;
caps.HasBButton = SDL_GameControllerGetBindForButton(
_gamepadDevices[which],
SdlGameControllerButton.SdlControllerButtonB
).bindType != SdlGameControllerBindType.SdlControllerBindtypeNone;
caps.HasXButton = SDL_GameControllerGetBindForButton(
_gamepadDevices[which],
SdlGameControllerButton.SdlControllerButtonX
).bindType != SdlGameControllerBindType.SdlControllerBindtypeNone;
caps.HasYButton = SDL_GameControllerGetBindForButton(
_gamepadDevices[which],
SdlGameControllerButton.SdlControllerButtonY
).bindType != SdlGameControllerBindType.SdlControllerBindtypeNone;
caps.HasBackButton = SDL_GameControllerGetBindForButton(
_gamepadDevices[which],
SdlGameControllerButton.SdlControllerButtonBack
).bindType != SdlGameControllerBindType.SdlControllerBindtypeNone;
caps.HasBigButton = SDL_GameControllerGetBindForButton(
_gamepadDevices[which],
SdlGameControllerButton.SdlControllerButtonGuide
).bindType != SdlGameControllerBindType.SdlControllerBindtypeNone;
caps.HasStartButton = SDL_GameControllerGetBindForButton(
_gamepadDevices[which],
SdlGameControllerButton.SdlControllerButtonStart
).bindType != SdlGameControllerBindType.SdlControllerBindtypeNone;
caps.HasLeftStickButton = SDL_GameControllerGetBindForButton(
_gamepadDevices[which],
SdlGameControllerButton.SdlControllerButtonLeftstick
).bindType != SdlGameControllerBindType.SdlControllerBindtypeNone;
caps.HasRightStickButton = SDL_GameControllerGetBindForButton(
_gamepadDevices[which],
SdlGameControllerButton.SdlControllerButtonRightstick
).bindType != SdlGameControllerBindType.SdlControllerBindtypeNone;
caps.HasLeftShoulderButton = SDL_GameControllerGetBindForButton(
_gamepadDevices[which],
SdlGameControllerButton.SdlControllerButtonLeftshoulder
).bindType != SdlGameControllerBindType.SdlControllerBindtypeNone;
caps.HasRightShoulderButton = SDL_GameControllerGetBindForButton(
_gamepadDevices[which],
SdlGameControllerButton.SdlControllerButtonRightshoulder
).bindType != SdlGameControllerBindType.SdlControllerBindtypeNone;
caps.HasDPadUpButton = SDL_GameControllerGetBindForButton(
_gamepadDevices[which],
SdlGameControllerButton.SdlControllerButtonDpadUp
).bindType != SdlGameControllerBindType.SdlControllerBindtypeNone;
caps.HasDPadDownButton = SDL_GameControllerGetBindForButton(
_gamepadDevices[which],
SdlGameControllerButton.SdlControllerButtonDpadDown
).bindType != SdlGameControllerBindType.SdlControllerBindtypeNone;
caps.HasDPadLeftButton = SDL_GameControllerGetBindForButton(
_gamepadDevices[which],
SdlGameControllerButton.SdlControllerButtonDpadLeft
).bindType != SdlGameControllerBindType.SdlControllerBindtypeNone;
caps.HasDPadRightButton = SDL_GameControllerGetBindForButton(
_gamepadDevices[which],
SdlGameControllerButton.SdlControllerButtonDpadRight
).bindType != SdlGameControllerBindType.SdlControllerBindtypeNone;
caps.HasLeftXThumbStick = SDL_GameControllerGetBindForAxis(
_gamepadDevices[which],
SdlGameControllerAxis.SdlControllerAxisLeftx
).bindType != SdlGameControllerBindType.SdlControllerBindtypeNone;
caps.HasLeftYThumbStick = SDL_GameControllerGetBindForAxis(
_gamepadDevices[which],
SdlGameControllerAxis.SdlControllerAxisLefty
).bindType != SdlGameControllerBindType.SdlControllerBindtypeNone;
caps.HasRightXThumbStick = SDL_GameControllerGetBindForAxis(
_gamepadDevices[which],
SdlGameControllerAxis.SdlControllerAxisRightx
).bindType != SdlGameControllerBindType.SdlControllerBindtypeNone;
caps.HasRightYThumbStick = SDL_GameControllerGetBindForAxis(
_gamepadDevices[which],
SdlGameControllerAxis.SdlControllerAxisRighty
).bindType != SdlGameControllerBindType.SdlControllerBindtypeNone;
caps.HasLeftTrigger = SDL_GameControllerGetBindForAxis(
_gamepadDevices[which],
SdlGameControllerAxis.SdlControllerAxisTriggerleft
).bindType != SdlGameControllerBindType.SdlControllerBindtypeNone;
caps.HasRightTrigger = SDL_GameControllerGetBindForAxis(
_gamepadDevices[which],
SdlGameControllerAxis.SdlControllerAxisTriggerright
).bindType != SdlGameControllerBindType.SdlControllerBindtypeNone;
caps.HasLeftVibrationMotor = hasRumble;
caps.HasRightVibrationMotor = hasRumble;
caps.HasVoiceSupport = false;
GamepadCaps[which] = caps;
ushort vendor = SDL_JoystickGetVendor(thisJoystick);
ushort product = SDL_JoystickGetProduct(thisJoystick);
if (vendor == 0x00 && product == 0x00)
{
GamepadGuids[which] = "xinput";
}
else
{
GamepadGuids[which] = string.Format(
"{0:x2}{1:x2}{2:x2}{3:x2}",
vendor & 0xFF,
vendor >> 8,
product & 0xFF,
product >> 8
);
}
// Initialize light bar
if (RunningPlatform == RunningPlatform.Linux &&
(GamepadGuids[which].Equals("4c05c405") ||
GamepadGuids[which].Equals("4c05cc09")))
{
// Get all of the individual PS4 LED instances
List <string> ledList = new List <string>();
string[] dirs = Directory.GetDirectories("/sys/class/leds/");
foreach (string dir in dirs)
{
if (dir.EndsWith("blue") &&
(dir.Contains("054C:05C4") ||
dir.Contains("054C:09CC")))
{
ledList.Add(dir.Substring(0, dir.LastIndexOf(':') + 1));
}
}
// Find how many of these are already in use
int numLights = 0;
for (int i = 0; i < GamepadLightBars.Length; i += 1)
{
if (!string.IsNullOrEmpty(GamepadLightBars[i]))
{
numLights += 1;
}
}
// If all are not already in use, use the first unused light
if (numLights < ledList.Count)
{
GamepadLightBars[which] = ledList[numLights];
}
}
}