private MixedRealityHandController GetOrAddController(Handedness handedness)
{
// If a device is already registered with the handedness, just return it.
if (TryGetController(handedness, out var existingController))
{
return(existingController);
}
MixedRealityHandController detectedController;
try
{
detectedController = new MixedRealityHandController(this, TrackingState.Tracked, handedness, GetControllerMappingProfile(typeof(MixedRealityHandController), handedness));
}
catch (Exception e)
{
Debug.LogError($"Failed to create {nameof(MixedRealityHandController)}!\n{e}");
return(null);
}
detectedController.TryRenderControllerModel();
AddController(detectedController);
activeControllers.Add(handedness, detectedController);
InputSystem?.RaiseSourceDetected(detectedController.InputSource, detectedController);
return(detectedController);
}
private bool TryGetController(Handedness handedness, out MixedRealityHandController controller)
{
if (activeControllers.ContainsKey(handedness))
{
var existingController = activeControllers[handedness];
Debug.Assert(existingController != null, $"Hand Controller {handedness} has been destroyed but remains in the active controller registry.");
controller = existingController;
return(true);
}
controller = null;
return(false);
}
/// <summary>
/// Creates a new <see cref="BaseController"/> instance for the provided <see cref="SpatialInteractionSource"/>.
/// </summary>
/// <param name="spatialInteractionSource">Source provided by the SDK.</param>
/// <returns>The created controller instance ready for use.</returns>
private BaseController CreateController(SpatialInteractionSource spatialInteractionSource)
{
var handedness = spatialInteractionSource.Handedness.ToHandedness();
var controllerType = spatialInteractionSource.Kind.ToControllerType();
try
{
BaseController controller = null;
if (controllerType == typeof(WindowsMixedRealityMotionController))
{
controller = new WindowsMixedRealityMotionController(this, TrackingState.NotApplicable, handedness, GetControllerMappingProfile(controllerType, handedness));
}
else if (controllerType == typeof(WindowsMixedRealityHololensOneController))
{
controller = new WindowsMixedRealityHololensOneController(this, TrackingState.NotApplicable, handedness, GetControllerMappingProfile(controllerType, handedness));
}
else if (controllerType == typeof(MixedRealityHandController))
{
controller = new MixedRealityHandController(this, TrackingState.NotApplicable, handedness, GetControllerMappingProfile(controllerType, handedness));
}
else
{
return(null);
}
InputSystem?.RaiseSourceDetected(controller.InputSource, controller);
controller.TryRenderControllerModel();
activeControllers.Add(spatialInteractionSource.Id, controller);
AddController(controller);
return(controller);
}
catch (Exception e)
{
Debug.LogError($"Failed to create {nameof(controllerType)}!\n{e}");
return(null);
}
}