Third Party Photon - Cameras not working when more than one exist

I have a room for multiplayer where the players join and then click the "Spawn" button to instantiate their player and the camera. The instantiation works, both players spawn with their respective cameras. The host player and camera work when it is just the host player and camera, and the client side works as well. The problem is that when a client joins the room and clicks the spawn button, the host's camera stops moving and won't follow the host. It doesn't follow the client either it just sort of sits there. The client side works flawlessly. Below is the GameManager script that instantiates the players/cameras and the Camera script.

Code (CSharp):

1. using System.Collections;
2. using System.Collections.Generic;
3. using UnityEngine;
4.  
5. public class GameManager : MonoBehaviour {
6.  
7.     public GameObject Player_PREFAB;
8.     public GameObject hostCamera;            // Camera for Host
9.     public GameObject clientCamera;          // Camera for the user joining
10.  
11.     public GameObject MainCanvas;
12.     public GameObject PlayerCanvas;
13.  
14.     public GameObject SceneCam; // Camera for when player has not clicked 'spawn' button
15.  
16.     public GameObject Spawn1; //Location for spawnpoint 1
17.     public GameObject Spawn2; //location for spawnpoint 2
18.  
19.     public static int NumPlayers = PhotonNetwork.room.PlayerCount;
20.     public static bool tankInScene;
21.  
22.     private void Awake()
23.     {
24.         MainCanvas.SetActive(true);
25.         PlayerCanvas.SetActive(false);
26.  
27.         if (NumPlayers > 1)
28.         {
29.             tankInScene = true;
30.         }
31.         else
32.         {
33.             tankInScene = false;
34.         }
35.     }
36.  
37.     public void SpawnPlayer(){
38.  
39.      
40.         Debug.Log(NumPlayers);
41.  
42.         float spawnRange = Random.Range (-50f, 50f);
43.         Debug.Log("SPAWNING PLAYER...");
44.  
45.             if (tankInScene == false) // If we are the host
46.             {
47.                 PhotonNetwork.Instantiate(hostCamera.name, new Vector3(((hostCamera.transform.position.x) + (spawnRange)) + (180 + spawnRange), hostCamera.transform.position.y, hostCamera.transform.position.z), hostCamera.transform.rotation, 0);
48.                 PhotonNetwork.Instantiate(Player_PREFAB.name, new Vector3((Spawn1.transform.position.x) + (spawnRange), Spawn1.transform.position.y, Spawn1.transform.position.z), Player_PREFAB.transform.rotation, 0);
49.                 Player_PREFAB.name = "Player1";
50.             }
51.             else // If we are a client
52.             {
53.                 PhotonNetwork.Instantiate(clientCamera.name, new Vector3(((clientCamera.transform.position.x) + (spawnRange)) + (180 + spawnRange), clientCamera.transform.position.y, clientCamera.transform.position.z), clientCamera.transform.rotation, 0);
54.                 PhotonNetwork.Instantiate(Player_PREFAB.name, new Vector3((Spawn1.transform.position.x) + (spawnRange), Spawn1.transform.position.y, Spawn1.transform.position.z), Player_PREFAB.transform.rotation, 0);
55.                 Player_PREFAB.name = "Player2";
56.             }
57.      
58.  
59.      
60.  
61.         MainCanvas.SetActive (false);
62.      
63.         PlayerCanvas.SetActive (true);
64.         SceneCam.SetActive (false);
65.  
66.  
67.     }
68.  
69.     private void Update()
70.     {
71.      
72.         Debug.Log(tankInScene + ": TANK IN SCENE");
73.  
74.         if (NumPlayers > 1)
75.         {
76.             tankInScene = true;
77.         }
78.         else
79.         {
80.             tankInScene = false;
81.         }
82.  
83.         Debug.Log(NumPlayers + ": THE NUMBER OF PLAYERS IN THE ROOM - From GameManager Update Function.");
84.     }
85.  
86. }
87.  

Code (CSharp):

1. using UnityEngine;
2. using System.Collections;
3. using UnityEngine.Networking;
4.  
5. public class CamerControllerMultiplayer : Photon.MonoBehaviour {
6.  
7.     private bool doMovement = true;
8.  
9.     public GameObject player;
10.     private Vector3 offset;
11.     Vector3 position;
12.  
13.     bool exists = false;
14.  
15.     static int cameraNumber;
16.  
17.  
18.     private void Start()
19.     {
20.  
21.         if (photonView.isMine)
22.         {
23.             Debug.Log("Is Mine. Looking for player...");
24.             cameraNumber = GameManager.NumPlayers;
25.             StartCoroutine(GetInfo());
26.             Debug.Log("Loading Get Info...");
27.             Debug.Log(offset);
28.         }
29.     }
30.  
31.     void FixedUpdate(){
32.  
33.         if (photonView.isMine) {
34.             this.gameObject.transform.position = player.transform.position + offset;
35.  
36.  
37.             Debug.Log("Tracking " + player);
38.  
39.             Debug.Log(offset);  //Offset does not change when client comes in but camera does not move with host
40.         }
41.  
42.     }
43.  
44.     IEnumerator GetInfo()
45.     {
46.  
47.         yield return new WaitForSecondsRealtime(1);
48.  
49.         if (photonView.isMine)
50.         {
51.             if (GameManager.tankInScene == false)
52.             {
53.                 player = GameObject.Find("Destination1");
54.                 offset = new Vector3(player.transform.position.x, player.transform.position.y + 300, player.transform.position.z);
55.                 Debug.Log("Found " + player);
56.             }
57.             else if (GameManager.tankInScene == true)
58.             {
59.                 player = GameObject.Find("Destination2");
60.                 offset = new Vector3(player.transform.position.x, player.transform.position.y + 300, player.transform.position.z);
61.                 Debug.Log("Found " + player);
62.  
63.  
64.             }
65.         }
66.     }
67.  
68.  
69.  
70.  
71.  
72.  
73. }
74.  

 

What is the purpose of the camera being a networked GameObject? Are you allowing players to view the camera of other players?

Otherwise, you should just instantiate the camera locally and have it follow the client's own character.

 

I'm unsure why you are giving the 2nd client it's own camera, is this a split screen game like MarioKart?

 

I changed both cameras to be instantiated locally and it solved the problem

 

I have a similar issue like the OP and dont want to go with instantiating camera solution.

I have used official PUN tutorial and extended it with my own prefabs with success. I can join rooms with multiple clients and instantiate my ship prefab.

Basic concept is that there is a gameobject called "CameraPivot" with "MainCamera" as its child object. Whenever, a player joins, the CameraPivot object has to be attached to the instantiated player ship locally. If there is only the host, it works OK. When a client joins, the camera works for the client side as well. However, the CameraPivot object with MainCamera gets reset to intial position for the host and camera gets locked. I connected up to 5 clients to the host, and all the clients work flawless but the host.


Also, when I created and joined the scene with 6 players, the problem occured to be related only to the host player. I disconnected the host, the second player becomes the host. And right after the second player becomes host, it loses the camarapivot with maincamera. When I disconnected the second player which is the host now, the same happens with the 3rd player.

I tried assigning the camerapivot both from gamemanager and the player prefab. Below is the GameManager script that instantiates the players/cameras and the Camera script. So anyone has any idea why this happens or how to overcome this issue? (I am quite new to both Unity and Photon, so I might have overlooked something easy)

Code (CSharp):

1. void Start()
2. {
3. Instance = this;
4. if (playerPrefab == null)
5. {
6. Debug.LogError("<Color=Red><a>Missing</a></Color> playerPrefab Reference. Please set it up in GameObject 'Game Manager'", this);
7. }
8. else if (ShipManager.LocalPlayerInstance == null)
9. {
10. Debug.LogFormat("We are Instantiating LocalPlayer from {0}", SceneManagerHelper.ActiveSceneName);
11. // we're in a room. spawn a character for the local player. it gets synced by using PhotonNetwork.Instantiate
12. GameObject LocalShip = PhotonNetwork.Instantiate(this.playerPrefab.name, new Vector3(UnityEngine.Random.Range(0, 200), 3, 0f), Quaternion.identity, 0);
13. if (!LocalShip.GetPhotonView().IsMine)
14. {
15. Camera.main.GetComponent<CameraOrbit>().enabled = false;
16. }
17. else
18. {
19. Camera.main.GetComponent<CameraOrbit>().enabled = true;
20.  
21. CamPivot = GameObject.Find("CameraPivot");
22.  
23. CamPivot.GetComponent<CameraSystem>().shipView = LocalShip.GetComponent<CameraAssign>().sView;
24. CamPivot.GetComponent<CameraSystem>().portsideView = LocalShip.GetComponent<CameraAssign>().prtView;
25. CamPivot.GetComponent<CameraSystem>().starboardView = LocalShip.GetComponent<CameraAssign>().stbView;
26.  
27. Camera.main.GetComponent<CameraOrbit>().victory = LocalShip;
28. }
29. }
30. else
31. {
32. Debug.LogFormat("Ignoring scene load for {0}", SceneManagerHelper.ActiveSceneName);
33. }
34. }

 

@13E12K, I'll reply in our forum, as the topic has it's own thread there.

 

Just to update, the issue is solved.

Hosting script from PUN tutorial was trying to load new level with the same name. Removed it and it works good now.

Thank you!