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save event with array in Unity


I'm a complete noob in GS, so forgive me if my question might sound too simple.

I've followed the tutorial on how to store a ghost race replay and it works fine. This is exactly what I need. Unfortunately, the tutorial stops right before the last step: save the data (and load it) from inside a C# script.

Browsing the web I found something and I could make this, that works neatly:


		LogEventRequest request = new LogEventRequest();
		request.SetEventKey ("STORE_RACE_DATA");
		request.SetEventAttribute ("GHOST_DATA", jsonString);
		request.SetEventAttribute ("TRACK_NUMBER", DataController.dataController.currentRaceData.GetLevelNumber());
		request.SetEventAttribute ("RACE_TIME", Round1000 (DataController.dataController.currentRaceData.GetFinalTime()));
		request.SetEventAttribute ("STARSHIP_NUMBER",;

		request.Send ((response) => {
			if (!response.HasErrors)
				Debug.Log ("added");
				Debug.Log ("error " + response.Errors.JSON);

The data structure I have is very similar to the one of the tutorial:


Here is where I have the trouble: GHOST_DATA is an array and if I create the Json string it is interpreted as a simple string. How could I save the array in GHOST_DATA?

I hope I was clear, thanks for any possible future help.

Best Answer

 Hey Beppi,

Running your 'GRD' event in the test harness works fine for me and im getting responses back without any problems.

I'm guessing you are using unity, so i've checked the call there too, and the data is coming back in the response there too (but it is very temperamental with that encoded string because some of them are very long).
--> See first Pic

So, i assume you are having problem on the 'unity' end getting the data out?
I have a solution for you to try, but that ghostData element is not going to play nice unless you have something special on your side to parse it, its just too long


new GameSparks.Api.Requests.LogEventRequest()
				.SetEventAttribute("TN", "0")
					.SetEventAttribute("ST", "3")
							.Send((response) => {

					// get all the objects in the response script data, this is each race that met the event attributes you requested //
					// When you sent the scriptdata back in CloudCode, you named it "selectedData", so this helps us get specifically that data//
					List<object>  dataList = response.ScriptData.GetObjectList("selectedData"); 
					// now we can iterate through each element as if it is a dictionary, just use the key and get each item //
					foreach (Dictionary<string, object> raceData in dataList) 
						// each of these are converted to a string since we dont know exactly whats in each element at this stage //
						string nickName = raceData["nickName"].ToString();
						int trackNo = int.Parse(raceData["trackNumber"].ToString());
						int starShipNumber = int.Parse(raceData["starshipNumber"].ToString());
						int timeTaken = int.Parse(raceData["timeTaken"].ToString());
						long raceDate = long.Parse(raceData["raceDate"].ToString()); // need to check the date-format here so it can be parsed //
						string playerID = raceData["playerId"].ToString();

						object ghostData = raceData["ghostData"]; // just save this as a object for now

						// Just print these 
						print("Nick Name: "+nickName);
						print ("Track Number: "+trackNo);
						print ("Ship Number: "+starShipNumber);
						print ("Time Taken "+timeTaken+"s");
						print ("Date: "+raceDate);
						print ("Player ID: "+playerID);



You can see the result of this call in the second picture, along with the json-data received in the response.

I hope that helps?
If you still need help adding the array data instead of the encrypted string, please let me know.

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I cannot contact you by Skype.

The races are asynchronous, the player actually races against a replay. Every user saves his replay and the replay is retrieved by other users. This guarantees that there are always opponents. If the critical user base will increase enough after the first app launch, I will create a real time challenge system.

What I would like to retrieve is the picture of the opponent that recorded the replay, for which I know the playerId.

I see two ways: I can create a local binary file and let the user upload the binary image himself to a public document accessible by future opponents, or store the fbid of the player so that it can retrieved by any user and the facebook picture taken by internet. What's the best solution in your opinion?

In the first case, I don't know how to upload a unique binary file for every user, going in update mode everytime it changes (without adding new files every time).

The second case it's not what I like. I don't like to duplicate information that is somewhere else, but if this is the solution, it's not hard to implement it. I would prefer a way to access directly to the opponent's user information and get his FBid without replicating it in a public document.

So, if the player logged into Gamesparks through facebook you can get their facebook ID.
If is stored in their player data, so you will need their playerID (their gamesparks one)...

var facebookID


var playerDetails = Spark.loadPlayer(playerID);
var facebookID = playerDetails.getExternalIds();

That will get you a string looking something like "FB" : "122308734598734" , for example.
So you can get the facebook ID that way. Then if you want you could send the fb-ID back in the response and use the Facebook SDK in unity to get the profile picture from that ID.

Does that help?


That's what I tried to do but loadPlayer seems to work only if the opponent player is a user's friend, and that's not the case when a challenge is organized. I need to access to Spark.loadPlayer for a playerId that is not known. For that reason I'm looking for a way to get the picture anyway going round this (wanted) limitation.

Also, supposing I have the fbId, how do I attach it to the ScriptData?

Anyway, I will go through my duplicate-fbId solution.

Yes, you'll defiantly need the player's ID if you want load their details and get their facebook-ID. Could you get around this by loading the player-ID into the race-data?
If i understand it right, a player runs the race and the details of the race are stored in your raceData collection; then a challenger can attempt to beat the original racer? If thats is the way it works storing a list of playerIDs who have challenged each race (along with the 'show-facebook-picture' bool), will allow you to grab a list of all the race data and get the player's fb-ID from that data. You could even have the fb-ID and the playerID stored in the race-data collection. Does that sound right?

To get the facebook id attached to the script you can just send it as a string...

var playerDetails = Spark.loadPlayer(playerID);
var fbID = playerDetails.getExternalIds();
Spark.setScriptData("fb_ID", fbID);

this will come out as a json string something like this ...


{{"fb_ID"} :{"FB":"1111111111111"}}


Then you can get the exact string out in your Unity code...


						GSData list = response.ScriptData.GetObject("fb_ID");
						string fbID = list.GetString("FB");


From there you could call the FB SDK with that id to get the profile pic.
I remember its not very difficult to get, but its been a while since i did it myself.
Theres some good advice here ->


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