/// <summary>
/// Creates a binding to the closest PCF
/// </summary>
/// <returns>Must be executed as a Coroutine</returns>
IEnumerator TryBindingToClosestPCF()
{
_done = false;
MLResult returnResult = MLPersistentCoordinateFrames.FindClosestPCF(gameObject.transform.position, (result, returnPCF) =>
{
if (result.IsOk && returnPCF.CurrentResult == MLResultCode.Ok)
{
Debug.Log("Binding to closest found PCF: " + returnPCF.CFUID);
Binding = MLContentBinder.BindToPCF(gameObject.name, gameObject, returnPCF);
MLPersistentStore.Save(Binding);
SetComplete(true);
_done = true;
}
else
{
Debug.LogErrorFormat("Error: MLPersistentPoint failed to find closest PCF. Reason: {0}", result);
SetComplete(false);
_done = true;
}
});
if (!returnResult.IsOk)
{
// Technically, if we reach this point, the system had a problem
Debug.LogErrorFormat("Error: MLPersistentPoint failed to attempt to find closest PCF. Reason: {0}", returnResult);
SetComplete(false);
_done = true;
}
while (!_done)
{
yield return(null);
}
}
/// <summary>
/// Creates a binding to the closest PCF
/// </summary>
/// <returns>Must be executed as a Coroutine</returns>
IEnumerator TryBindingToClosestPCF()
{
_done = false;
MLResult returnResult = MLPersistentCoordinateFrames.FindClosestPCF(gameObject.transform.position, (pcfPositionResult, pcfWithPosition) =>
{
if (pcfPositionResult.IsOk && pcfWithPosition != null && pcfWithPosition.CurrentResult == MLResultCode.Ok)
{
Debug.Log("Binding to closest found PCF: " + pcfWithPosition.CFUID);
Binding = MLContentBinder.BindToPCF(UniqueId, gameObject, pcfWithPosition);
MLPersistentStore.Save(Binding);
NotifyChangeOfStatus(Status.BINDING_CREATED, MLResult.ResultOk);
RegisterPCFEventHandlers();
_done = true;
}
else
{
Debug.LogErrorFormat("Error: MLPersistentBehavior failed to get PCF position. Reason: {0}", pcfPositionResult);
NotifyChangeOfStatus(Status.BINDING_CREATE_FAILED, pcfPositionResult);
_done = true;
}
});
if (!returnResult.IsOk)
{
Debug.LogErrorFormat("Error: MLPersistentBehavior failed to attempt to find closest PCF. Reason: {0}", returnResult);
NotifyChangeOfStatus(Status.BINDING_CREATE_FAILED, returnResult);
_done = true;
}
while (!_done)
{
yield return(null);
}
}
/// <summary>
/// Tries to restore the binding or find closest PCF.
/// </summary>
void RestoreBinding(string objId)
{
if (MLPersistentStore.Contains(objId))
{
MLContentBinding binding;
MLResult result = MLPersistentStore.Load(objId, out binding);
if (!result.IsOk)
{
SetError(new MLResult(result.Code,
string.Format("Error: MLPersistentPoint failed to load binding. Reason: {0}", result)));
SetComplete(false);
}
else
{
Binding = binding;
Binding.GameObject = this.gameObject;
MLContentBinder.Restore(Binding, HandleBindingRestore);
}
}
else
{
StartCoroutine(BindToClosestPCF());
}
}
/// <summary>
/// Tries to restore the binding from persistent storage and PCF system
/// </summary>
IEnumerator RestoreBinding(string objId)
{
_state = State.RestoreBinding;
if (MLPersistentStore.Contains(objId))
{
MLContentBinding binding;
MLResult result = MLPersistentStore.Load(objId, out binding);
if (!result.IsOk)
{
SetError(result);
_state = State.BindingComplete;
}
else
{
Binding = binding;
Debug.Log("binding result : " + Binding.PCF.CurrentResult);
Binding.GameObject = this.gameObject;
MLContentBinder.Restore(Binding, HandleBindingRestore);
}
}
else
{
BindToAllPCFs();
}
while (_state != State.BindingComplete)
{
yield return(null);
}
yield break;
}
/// <summary>
/// Bind this gameObject to a pcf
/// </summary>
/// <param name="pcf">The pcf to bind to</param>
void BindToPCF(MLPCF pcf)
{
UnregisterPCFEventHandlers();
DestroyBinding();
Binding = MLContentBinder.BindToPCF(UniqueId, gameObject, pcf);
MLPersistentStore.Save(Binding);
NotifyChangeOfStatus(Status.BINDING_CREATED, MLResult.ResultOk);
RegisterPCFEventHandlers();
_pcfLost = false;
}
/// <summary>
/// Tries to restore the binding
/// </summary>
void RestoreBinding()
{
MLContentBinding binding;
MLResult result = MLPersistentStore.Load(UniqueId, out binding);
if (!result.IsOk)
{
Debug.LogErrorFormat("Error: MLPersistentBehavior failed to load binding. Reason: {0}", result);
NotifyChangeOfStatus(Status.RESTORE_FAILED, result);
}
else
{
Binding = binding;
Binding.GameObject = this.gameObject;
MLContentBinder.Restore(Binding, HandleBindingRestore);
}
}
/// <summary>
/// Finds the closest pcf for this persistent point.
/// </summary>
void BindToAllPCFs()
{
_state = State.BindToAllPCFs;
string suffix = "";
int count = 0;
// In the loop below we try to associate the persitent point with not only
// the closest but all pcfs in the surrounding. This will increase the probablilty
// of restoration on reboots. It's costly in terms of disk space so we will limit it to
// a max
foreach (MLPCF pcf in _allPCFs)
{
string objectName = gameObject.name + suffix;
var returnResult = MLPersistentCoordinateFrames.GetPCFPosition(pcf, (result, returnPCF) =>
{
if (result.IsOk && pcf.CurrentResult == MLResultCode.Ok)
{
Debug.Log("binding to PCF: " + pcf.CFUID);
Binding = MLContentBinder.BindToPCF(objectName, gameObject, pcf);
MLPersistentStore.Save(Binding);
}
else
{
Debug.LogWarningFormat("Failed to find the position for PCF {0}", returnPCF.CFUID);
}
});
if (!returnResult.IsOk)
{
Debug.LogError("Failed to GetPCF");
break;
}
suffix = "-" + count;
count++;
}
_state = State.BindingComplete;
}
/// <summary>
/// Try to restore after a delay
/// </summary>
/// <returns>IEnumerator for delay</returns>
IEnumerator TryRestore()
{
yield return(new WaitForSeconds(RetryDelayInSeconds));
MLContentBinder.Restore(Binding, HandleBindingRestore);
}
