private static void UnregisterInstance(MixedRealityToolkit toolkitInstance)
{
toolkitInstances.Remove(toolkitInstance);
if (MixedRealityToolkit.activeInstance == toolkitInstance)
{ // If this is the active instance, we need to break it down
toolkitInstance.DestroyAllServices();
toolkitInstance.ClearCoreSystemCache();
// If this was the active instance, un-register the active instance
MixedRealityToolkit.activeInstance = null;
if (MixedRealityToolkit.isApplicationQuitting)
{ // Don't search for additional instances if we're quitting
return;
}
foreach (MixedRealityToolkit instance in toolkitInstances)
{
if (instance == null)
{ // This may have been a mass-deletion - be wary of soon-to-be-unregistered instances
continue;
}
// Select the first available instance and register it immediately
RegisterInstance(instance);
break;
}
}
}
private static void SetInstanceInactive(MixedRealityToolkit toolkitInstance)
{
if (toolkitInstance == null)
{ // Don't do anything.
return;
}
if (toolkitInstance == activeInstance)
{ // If this is the active instance, we need to break it down
toolkitInstance.DestroyAllServices();
toolkitInstance.ClearCoreSystemCache();
// If this was the active instance, un-register the active instance
MixedRealityToolkit.activeInstance = null;
}
toolkitInstance.name = InactiveInstanceGameObjectName;
}