/// <summary>
/// Adds necessary components to Vive controller gameobjects. These will let us know what inputs are used on them.
/// </summary>
private void SetupControllers()
{
//Find Controller manager on the scene.
if (controllerManager == null)
{
controllerManager = Object.FindObjectOfType <SteamVR_ControllerManager>();
if (controllerManager == null)
{
Debug.LogError("Can't find SteamVR_ControllerManager on scene. It is required to use VIVE control method. Make sure all SteamVR prefabs are present.");
}
}
//attach assistant scripts to cui objects.
if (rightCont == null)
{
CurvedUIViveController viveCont = controllerManager.right.GetComponent <CurvedUIViveController>();
if (viveCont == null)
{
viveCont = controllerManager.right.AddComponent <CurvedUIViveController>();
}
rightCont = viveCont;
}
if (leftCont == null)
{
CurvedUIViveController viveCont = controllerManager.left.GetComponent <CurvedUIViveController>();
if (viveCont == null)
{
viveCont = controllerManager.left.AddComponent <CurvedUIViveController>();
}
leftCont = viveCont;
}
}
/// <summary>
/// Processes Events from given controller.
/// </summary>
/// <param name="myController"></param>
void ProcessController(GameObject myController)
{
//do not process events from this controller if it's off or not visible by base stations.
if (!myController.gameObject.activeInHierarchy)
{
return;
}
CurvedUIViveController myControllerAssitant = myController.GetComponent <CurvedUIViveController>();
if (myControllerAssitant == null)
{
myControllerAssitant = myController.AddComponent <CurvedUIViveController>();
}
// send update events if there is a selected object - this is important for InputField to receive keyboard events
SendUpdateEventToSelectedObject();
// see if there is a UI element that is currently being pointed at
PointerEventData ControllerData;
if (myControllerAssitant == rightCont)
{
ControllerData = GetControllerPointerData(myControllerAssitant, ref rightControllerData);
}
else
{
ControllerData = GetControllerPointerData(myControllerAssitant, ref leftControllerData);
}
currentPointedAt = ControllerData.pointerCurrentRaycast.gameObject;
ProcessDownRelease(ControllerData, myControllerAssitant.IsTriggerDown, myControllerAssitant.IsTriggerUp);
if (!myControllerAssitant.IsTriggerUp)
{
ProcessMove(ControllerData);
ProcessDrag(ControllerData);
}
if (!Mathf.Approximately(ControllerData.scrollDelta.sqrMagnitude, 0.0f))
{
var scrollHandler = ExecuteEvents.GetEventHandler <IScrollHandler>(ControllerData.pointerCurrentRaycast.gameObject);
ExecuteEvents.ExecuteHierarchy(scrollHandler, ControllerData, ExecuteEvents.scrollHandler);
// Debug.Log("executing scroll handler");
}
}
/// <summary>
/// Create a pointerEventData that stores all the data associated with Vive controller.
/// </summary>
private CurvedUIPointerEventData GetControllerPointerData(CurvedUIViveController controller, ref CurvedUIPointerEventData ControllerData)
{
if (ControllerData == null)
{
ControllerData = new CurvedUIPointerEventData(eventSystem);
}
ControllerData.Reset();
ControllerData.delta = Vector2.one; // to trick into moving
ControllerData.position = Vector2.zero; // this will be overriden by raycaster
ControllerData.Controller = controller.gameObject; // raycaster will use this object to override pointer position on screen. Keep it safe.
ControllerData.scrollDelta = controller.TouchPadAxis - ControllerData.TouchPadAxis; // calcualte scroll delta
ControllerData.TouchPadAxis = controller.TouchPadAxis; // assign finger position on touchpad
eventSystem.RaycastAll(ControllerData, m_RaycastResultCache); //Raycast all the things!. Position will be overridden here by CurvedUIRaycaster
//Get a current raycast to find if we're pointing at GUI object.
ControllerData.pointerCurrentRaycast = FindFirstRaycast(m_RaycastResultCache);
_guiRaycastHit = (ControllerData.pointerCurrentRaycast.gameObject != null ? true : false);
m_RaycastResultCache.Clear();
return(ControllerData);
}
