/// <summary>
/// Setup the Tracking UI.
/// After the setup, this script is destroyed.
/// </summary>
public void Setup()
{
// Load Prefab
if (_loadedObject == null)
{
var loadedPrefab = Resources.Load(_prefabPath) as GameObject;
if (loadedPrefab == null)
{
Debug.LogErrorFormat("Could not load Prefab: {0}", _prefabPath);
return;
}
_loadedObject = loadedPrefab.GetComponent <BaseSlamTrackingCanvasConfigurer>();
}
// Attach Controller
var controller = gameObject.AddComponent <SlamTrackingUIController>();
// Set Prefab
controller.Prefab = _loadedObject;
// Listen to Slam
var localizer = gameObject.GetComponent <SlamLocalizer>();
controller.ListenToSlamLocalizer(localizer);
// Destroy
if (Application.isEditor && !Application.isPlaying)
{
DestroyImmediate(this);
}
else
{
Destroy(this);
}
}
/// <summary>
/// Executed when Slam Tracking is lost
/// </summary>
private void OnSlamTrackingLost()
{
// Create UI
if (_prefabInstance == null)
{
if (_prefab == null)
{
Debug.LogError("Prefab is null, cannot instantiate UI");
return;
}
_prefabInstance = Instantiate(_prefab);
_prefabInstance.AutoConfigure();
}
}
/// <summary>
/// Executed when Slam Tracking is lost
/// </summary>
private void OnSlamTrackingLost()
{
if (_prefabInstance)
{
Destroy(_prefabInstance.gameObject);
_prefabInstance = null;
}
if (_prefab == null)
{
Debug.LogError("Prefab is null, cannot instantiate UI");
return;
}
_prefabInstance = Instantiate(_prefab);
_prefabInstance.AutoConfigure();
}
/// <summary>
/// Executed when Slam tracking is recovered
/// </summary>
private void OnSlamTrackingRecovered()
{
// Destroy UI
if (_prefabInstance != null)
{
var messageController = _prefabInstance.GetComponentInChildren <BaseSlamTrackingMessageController>();
if (messageController == null)
{
Debug.LogWarning("Instance does not contain SlamTrackingMessageController. Destroying instance.");
Destroy(_prefabInstance.gameObject);
return;
}
// Hide and then destroy
messageController.Hide(() =>
{
Destroy(_prefabInstance.gameObject);
_prefabInstance = null;
});
}
}