public void ProcessControllerEvent(ControllerDeviceEvent ev)
{
int id = ev.Which;
if (id < 0)
{
Debug.Print("[SDL2] Invalid controller id {0} in {1}", id, ev.Type);
return;
}
switch (ev.Type)
{
case EventType.CONTROLLERDEVICEADDED:
IntPtr handle = SDL.GameControllerOpen(id);
if (handle != IntPtr.Zero)
{
// The id variable here corresponds to a device_id between 0 and Sdl.NumJoysticks().
// It is only used in the ADDED event. All other events use an instance_id which increases
// monotonically in each ADDED event.
// The idea is that device_id refers to the n-th connected joystick, whereas instance_id
// refers to the actual hardware device behind the n-th joystick.
// Yes, it's confusing.
int device_id = id;
int instance_id = last_controllers_instance++;
Sdl2GamePad pad = new Sdl2GamePad(handle);
IntPtr joystick = SDL.GameControllerGetJoystick(handle);
if (joystick != IntPtr.Zero)
{
pad.Capabilities = new GamePadCapabilities(
GamePadType.GamePad,
GetBoundAxes(joystick),
GetBoundButtons(joystick),
true);
pad.State.SetConnected(true);
// Connect this device and add the relevant device index
if (controllers.Count <= id)
{
controllers.Add(pad);
}
else
{
controllers[device_id] = pad;
}
sdl_instanceid_to_controllers.Add(instance_id, device_id);
}
else
{
Debug.Print("[SDL2] Failed to retrieve joystick from game controller. Error: {0}", SDL.GetError());
}
}
break;
case EventType.CONTROLLERDEVICEREMOVED:
if (IsControllerInstanceValid(id))
{
int instance_id = id;
int device_id = sdl_instanceid_to_controllers[instance_id];
controllers[device_id].State.SetConnected(false);
sdl_instanceid_to_controllers.Remove(device_id);
}
else
{
Debug.Print("[SDL2] Invalid game controller instance {0} in {1}", id, ev.Type);
}
break;
case EventType.CONTROLLERDEVICEREMAPPED:
if (IsControllerInstanceValid(id))
{
// Todo: what should we do in this case?
}
else
{
Debug.Print("[SDL2] Invalid game controller instance {0} in {1}", id, ev.Type);
}
break;
}
}
public void ProcessControllerEvent(ControllerDeviceEvent ev)
{
int id = ev.Which;
if (id < 0)
{
Debug.Print("[SDL2] Invalid controller id {0} in {1}", id, ev.Type);
return;
}
switch (ev.Type)
{
case EventType.CONTROLLERDEVICEADDED:
IntPtr handle = SDL.GameControllerOpen(id);
if (handle != IntPtr.Zero)
{
// The id variable here corresponds to a device_id between 0 and Sdl.NumJoysticks().
// It is only used in the ADDED event. All other events use an instance_id which increases
// monotonically in each ADDED event.
// The idea is that device_id refers to the n-th connected joystick, whereas instance_id
// refers to the actual hardware device behind the n-th joystick.
// Yes, it's confusing.
int device_id = id;
int instance_id = last_controllers_instance++;
Sdl2GamePad pad = new Sdl2GamePad(handle);
IntPtr joystick = SDL.GameControllerGetJoystick(handle);
if (joystick != IntPtr.Zero)
{
pad.Capabilities = new GamePadCapabilities(
GamePadType.GamePad,
GetBoundAxes(joystick),
GetBoundButtons(joystick),
true);
pad.State.SetConnected(true);
// Connect this device and add the relevant device index
if (controllers.Count <= id)
{
controllers.Add(pad);
}
else
{
controllers[device_id] = pad;
}
sdl_instanceid_to_controllers.Add(instance_id, device_id);
}
else
{
Debug.Print("[SDL2] Failed to retrieve joystick from game controller. Error: {0}", SDL.GetError());
}
}
break;
case EventType.CONTROLLERDEVICEREMOVED:
if (IsControllerInstanceValid(id))
{
int instance_id = id;
int device_id = sdl_instanceid_to_controllers[instance_id];
controllers[device_id].State.SetConnected(false);
sdl_instanceid_to_controllers.Remove(device_id);
}
else
{
Debug.Print("[SDL2] Invalid game controller instance {0} in {1}", id, ev.Type);
}
break;
case EventType.CONTROLLERDEVICEREMAPPED:
if (IsControllerInstanceValid(id))
{
// Todo: what should we do in this case?
}
else
{
Debug.Print("[SDL2] Invalid game controller instance {0} in {1}", id, ev.Type);
}
break;
}
}
