/// <summary>
/// modifies the device 3d type to "delete" and sends it to MQTT
/// also tries to delete the WorldAnchors
/// </summary>
/// <param name="baseAdress"></param>
public void sendDeleteOrderForWorldAnchorAndAppData(AppData.uniqueIDDevice device)
{
device.DeviceType3D = "delete";
AppDataManager_MQTT.Instance.publishDeviceOverMQTT(device); //sends a device with the remove command to all active members in the network
AppDataManager_MQTT.Instance.removeDeviceOverMQTT(device); //sends a remove command to clean up the server
var anchorInfo = WorldAnchorAvailableOnlineManager.Instance.getAnchorAvailableOnline(device.baseAdress);
if (!anchorInfo.Equals(default(KeyValuePair <string, DateTime>)))//if there is an anchor available
{
AppDataExportManager.Instance.MQTTPublishMessage(AppDataExportManager.Instance.worldAnchorBaseSubscriptionPath +
TimeMethodesForAnchors.getAnchorNameWithTimeFromKeyValuePair(anchorInfo),
"");//deletion order for retained messages
AppDataExportManager.Instance.MQTTPublishMessage(WorldAnchorAvailableOnlineManager.Instance.worldAnchorStatusSubscriptionPath +
TimeMethodesForAnchors.getAnchorNameWithTimeFromKeyValuePair(anchorInfo),
"");//deletion order for retained messages
}
//deletes wa info from the prefs
PlayerPrefs.DeleteKey(device.baseAdress);
//now remove the device locally
removeDeviceFromAppDataAndDeleteFromHierarchie(device.baseAdress);
}
private void onAnchorAvailable(KeyValuePair <string, DateTime> anchor)
{
if (anchor.Equals(default(KeyValuePair <string, DateTime>)))
{
//no anchor has been found
//fallback to any anchor from Store
Debug.LogWarning("empty anchor given");
}
else
{
//3. decide wether to load the new anchor online or keep from store
//if anchor.value is earlier than latest anchor
//or the anchor from the store does not exist
//or anchor is on override
if (anchor.Value > latestAnchor || !WorldAnchorManager.Instance.hasAnchorInStore(gameObject) || anchorOrigin == AnchorOrigin.OverrideAnchorFromServer)
{
//get the anchor from mqtt
//we have the name and the time of the newest anchor
//generate a topic and subscribe to it
AppDataExportManager.Instance.subscribe(
AppDataExportManager.Instance.worldAnchorBaseSubscriptionPath +
TimeMethodesForAnchors.getAnchorNameWithTimeFromKeyValuePair(anchor),
onAnchorDataAvailable);
}
}
}