Photon Manual Instantiation PhotonView.Owner is NULL

MaverickTC

Hello, I'm spawning player with this code. When I check PhotonView.Owner it gives null. Thank you. Is it bug or normal? What can I do for it? Update: Also PhotonView Owner value in inspector is" Scene" and PhotonView.IsMine is true for both player which is wrong..

public void SpawnPlayer()
{
    GameObject player = Instantiate(PlayerPrefab);
    PhotonView photonView = player.GetComponent<PhotonView>();

    if (PhotonNetwork.AllocateViewID(photonView))
    {
        object[] data = new object[]
        {
            player.transform.position, player.transform.rotation, photonView.ViewID
        };

        RaiseEventOptions raiseEventOptions = new RaiseEventOptions
        {
            Receivers = ReceiverGroup.Others,
            CachingOption = EventCaching.AddToRoomCache
        };

        SendOptions sendOptions = new SendOptions
        {
            Reliability = true
        };

        PhotonNetwork.RaiseEvent(CustomManualInstantiationEventCode, data, raiseEventOptions, sendOptions);
    }
    else
    {
        Debug.LogError("Failed to allocate a ViewId.");

        Destroy(player);
    }

private void OnEnable()
    {
        PhotonNetwork.AddCallbackTarget(this);
    }

    private void OnDisable()
    {
        PhotonNetwork.RemoveCallbackTarget(this);
    }

    public void OnEvent(EventData photonEvent)
    {
        if (photonEvent.Code == CustomManualInstantiationEventCode)
        {
            object[] data = (object[]) photonEvent.CustomData;

            GameObject car = (GameObject) Instantiate(Cars[(int)data[4]], Vector3.zero, Quaternion.identity);
            
            car.transform.GetChild(0).position = (Vector3) data[0];
            car.transform.GetChild(0).rotation = (Quaternion) data[1];

            PhotonView photonView = car.GetComponent<PhotonView>();
            photonView.ViewID = (int) data[2];
            car.transform.GetChild(0).GetComponent<PhotonView>().ViewID = (int) data[3];
        }
    }
        
}

MaverickTC

Update: Also PhotonView Owner value in inspector is" Scene".

JohnTube

Hi @MaverickTC,

Thank you for choosing Photon!

when do you check PhotonView.Owner?
in Awake, or after?

I just tested manual instantiation as we show it in the example on the documentation and it works as expected. I could not reproduce.

the code is not correct in OnEvent: the array you send has 3 elements and you try to get a fourth element:

what you send:

object[] data = new object[]
        {
            player.transform.position, player.transform.rotation, photonView.ViewID
        };

you try to get an element that does not exist (should throw exception)

car.transform.GetChild(0).GetComponent<PhotonView>().ViewID = (int) data[3];

another note (just an observation):

instantiated prefabs are different from sender and receiver:

GameObject player = Instantiate(PlayerPrefab);

vs.

GameObject car = (GameObject) Instantiate(Cars[(int)data[4]], Vector3.zero, Quaternion.identity);

So I'm thinking maybe you have shared the code from the example but your actual code is different.

MaverickTC

Thank you very much for reply @JohnTube,
I think I did something wrong while copying my old code. I edited code and my problem is exist.
This is my new whole code.

byte CustomManualInstantiationEventCode = 159;

void Start()
    {
        Resources.UnloadUnusedAssets();
        StartCoroutine(PlayerConnected());
    }

IEnumerator PlayerConnected()
    {
        createPlayer = true;
        
        Application.runInBackground = true;
        GameObject car;
        if (MultiplayerOrNot.MultiplayerOr)
        {
            PhotonNetwork.KeepAliveInBackground = 40;

            car = Instantiate(Cars[PlayerPrefs.GetInt("SelectedCar")],Vector3.zero,Quaternion.identity);
            PhotonView photonView = car.GetComponent<PhotonView>();

            Quaternion quaternion = new Quaternion(SpawnPosition.rotation.x, SpawnPosition.rotation.y, SpawnPosition.rotation.z, 1);
            car.transform.GetChild(0).rotation = quaternion;
            car.transform.GetChild(0).position = SpawnPosition.position;

            if (PhotonNetwork.AllocateViewID(photonView))
            {
                if (PhotonNetwork.AllocateViewID(car.transform.GetChild(0).GetComponent<PhotonView>()))
                {
                    object[] data = new object[]
                    {
                        car.transform.GetChild(0).position, car.transform.GetChild(0).rotation, photonView.ViewID, car.transform.GetChild(0).GetComponent<PhotonView>().ViewID, PlayerPrefs.GetInt("SelectedCar")
                    };

                    RaiseEventOptions raiseEventOptions = new RaiseEventOptions
                    {   
                        Receivers = ReceiverGroup.Others,
                        CachingOption = EventCaching.AddToRoomCache
                    };

                    SendOptions sendOptions = new SendOptions
                    {
                        Reliability = true
                    };

                    PhotonNetwork.RaiseEvent(CustomManualInstantiationEventCode, data, raiseEventOptions, sendOptions);

                    ch = car.GetComponent<ChatManager>();
                    pi = car.GetComponent<PlayerInfo>();
                    myCar = car;

                    car.transform.GetChild(0).GetComponent<CarDriver>().SpawnPosition = SpawnPosition;
                    car.transform.GetChild(0).GetComponent<CarDriver>().PortPosition = PortPosition;
                    car.transform.GetChild(0).GetComponent<CarDriver>().RaceTrackPosition = RaceTrackPosition;
                    car.transform.GetChild(0).GetComponent<CarDriver>().PetrolPosition = PetrolPosition;
                    if (ch == null)
                        ch = car.transform.GetChild(0).GetComponent<ChatManager>();
                    if (pi == null)
                        pi = car.transform.GetChild(0).GetComponent<PlayerInfo>();    
                    CheckNicknameDuplicate(car);
                }
                else
                {
                    Debug.LogError("Failed to allocate a ViewId.");
                    Destroy(car);
                }
            } else {
                Debug.LogError("Failed to allocate a ViewId.");
                Destroy(car);
            }
        } else {

            car = Instantiate(Cars[PlayerPrefs.GetInt("SelectedCar")], SpawnPosition.position, Quaternion.identity);
            for(int i = 0; i < car.transform.childCount; i++)
            {
                GameObject child = car.transform.GetChild(i).gameObject;

                Quaternion quaternion = new Quaternion(SpawnPosition.rotation.x, SpawnPosition.rotation.y, SpawnPosition.rotation.z, 1);
                child.transform.GetChild(0).rotation = quaternion;
                child.transform.GetChild(0).GetComponent<CarDriver>().SpawnPosition = SpawnPosition;
                child.transform.GetChild(0).GetComponent<CarDriver>().PortPosition = PortPosition;
                child.transform.GetChild(0).GetComponent<CarDriver>().RaceTrackPosition = RaceTrackPosition;
                child.transform.GetChild(0).GetComponent<CarDriver>().PetrolPosition = PetrolPosition;

                if (myCar == null)
                    myCar = child;
                if (ch == null)
                    ch = myCar.GetComponent<ChatManager>();
                if(pi == null){
                    pi = myCar.GetComponent<PlayerInfo>();
                }   
            }
        }

        if(PlayerPrefs.GetInt("RemoveAds")!=1){
            if(Random.Range(0,2) == 0){
                #if (UNITY_ANDROID || (UNITY_IPHONE ))
                ReklamScript.InsterstitialGoster();
                #endif
            }
        }
        yield return null;
    }
        
    private void OnEnable()
    {
        PhotonNetwork.AddCallbackTarget(this);
    }   

    private void OnDisable()
    {
        PhotonNetwork.RemoveCallbackTarget(this);
    }   

    public void OnEvent(EventData photonEvent)
    {
        if (photonEvent.Code == CustomManualInstantiationEventCode)
        {
            object[] data = (object[]) photonEvent.CustomData;

            GameObject car = (GameObject) Instantiate(Cars[(int)data[4]], Vector3.zero, Quaternion.identity);
            
            car.transform.GetChild(0).position = (Vector3) data[0];
            car.transform.GetChild(0).rotation = (Quaternion) data[1];

            PhotonView photonView = car.GetComponent<PhotonView>();
            photonView.ViewID = (int) data[2];
            car.transform.GetChild(0).GetComponent<PhotonView>().ViewID = (int) data[3];
        }
    }

My MultiplayerOrNot.MultiplayerOr variable is always true and OnEvent code working.
I'm spawning Cars[x] gameObject with photon view and Cars[x] have child with photon view.

Let me explain the situation.
There are two players.(Player A and Player
1- Player A creating game and Player B joining it.
On Player A's device both PhotonView's for both player is at bottom
https://ibb.co/60GHL5m
https://ibb.co/dK6ZpJj

---

2- Player B creating game and Player A joining it.
On Player B's device both PhotonView's for both player is at bottom
https://ibb.co/bX6TdLv
https://ibb.co/MZnn5ZH

Note: All Photos is Cars[x]'s photonView photos. They are same for childs.

Also I will try to reproduce it at basic project.
*** Edit: I tested with basic scene and Owner side of Photon View is not scene like my game.

Thank you again.

MaverickTC

I found something; I was using Smooth Sync and When I remove it, problem is resolving. But I don't know what is wrong with Smooth Sync.

MaverickTC

Update: I removed Smooth Sync and other things but problem still exist

emotitron

Be sure you have the current store version of Pun2. There have been a series of optimizations made to IsMine and ownership, but to check to see if this is related we need you to be current version.

MaverickTC

Yes, I'm using last version of it. I think I found problem at some scripts I'm checking Photon View IsMine at void Start() and script making Initialization after Start function so it's making problem and broke initialization progress.
I added some delay script into start but Is there better way to do it?
Thank you.