MasterClient









How do I use Master Client
Below are practical examples compiled from projects for learning and reference purposes

Featured Snippets


File name: Demo2DJumpAndRun.cs Copy
6     void OnJoinedRoom()
7     {
8         if( PhotonNetwork.isMasterClient == false )
9         {
10             return;
11         }
12
13         PhotonNetwork.InstantiateSceneObject( "Physics Box", new Vector3( -4.5f, 5.5f, 0 ), Quaternion.identity, 0, null );
14         PhotonNetwork.InstantiateSceneObject( "Physics Box", new Vector3( -4.5f, 4.5f, 0 ), Quaternion.identity, 0, null );
15         PhotonNetwork.InstantiateSceneObject( "Physics Box", new Vector3( -4.5f, 3.5f, 0 ), Quaternion.identity, 0, null );
16
17         PhotonNetwork.InstantiateSceneObject( "Physics Box", new Vector3( 4.5f, 5.5f, 0 ), Quaternion.identity, 0, null );
18         PhotonNetwork.InstantiateSceneObject( "Physics Box", new Vector3( 4.5f, 4.5f, 0 ), Quaternion.identity, 0, null );
19         PhotonNetwork.InstantiateSceneObject( "Physics Box", new Vector3( 4.5f, 3.5f, 0 ), Quaternion.identity, 0, null );
20     }
File name: DemoOwnershipGui.cs Copy
23     public void OnGUI()
24     {
25         GUI.skin = this.Skin;
26         GUILayout.BeginArea(new Rect(Screen.width - 200, 0, 200, Screen.height));
27         {
28             string label = TransferOwnershipOnRequest ? "passing objects" : "rejecting to pass";
29             if (GUILayout.Button(label))
30             {
31                 this.TransferOwnershipOnRequest = !this.TransferOwnershipOnRequest;
32             }
33         }
34         GUILayout.EndArea();
35
36
37
38         if (PhotonNetwork.inRoom)
39         {
40             int playerNr = PhotonNetwork.player.ID;
41             string playerIsMaster = PhotonNetwork.player.isMasterClient ? "(master) " : "";
42             string playerColor = PlayerVariables.GetColorName(PhotonNetwork.player.ID);
43             GUILayout.Label(string.Format("player {0}, {1} {2}(you)", playerNr, playerColor, playerIsMaster));
44
45             foreach (PhotonPlayer otherPlayer in PhotonNetwork.otherPlayers)
46             {
47                 playerNr = otherPlayer.ID;
48                 playerIsMaster = otherPlayer.isMasterClient ? "(master)" : "";
49                 playerColor = PlayerVariables.GetColorName(otherPlayer.ID);
50                 GUILayout.Label(string.Format("player {0}, {1} {2}", playerNr, playerColor, playerIsMaster));
51             }
52
53             if (PhotonNetwork.inRoom && PhotonNetwork.otherPlayers.Length == 0)
54             {
55                 GUILayout.Label("Join more clients to switch object-control.");
56             }
57         }
58         else
59         {
60             GUILayout.Label(PhotonNetwork.connectionStateDetailed.ToString());
61         }
62     }
File name: IELdemo.cs Copy
46     public void Update()
47     {
48         if (PhotonNetwork.isMasterClient)
49         {
50             //Only control the cubes if MC
51             float movement = Input.GetAxis("Horizontal") * Time.deltaTime * 15;
52             foreach (Transform tran in cubes)
53             {
54                 tran.position += new Vector3(movement, 0, 0);
55             }
56         }
57     }
File name: IELdemo.cs Copy
59     public void OnGUI()
60     {
61         GUILayout.Space(10);
62         if (PhotonNetwork.isMasterClient)
63         {
64             GUILayout.Label("Move the cubes with the left and right keys. Run another client to check movement (smoothing) behaviour.");
65             GUILayout.Label("Ping: " + PhotonNetwork.GetPing());
66         }
67         else if (PhotonNetwork.isNonMasterClientInRoom)
68         {
69             GUILayout.Label("Check how smooth the movement is");
70             GUILayout.Label("Ping: " + PhotonNetwork.GetPing());
71         }
72         else
73         {
74             GUILayout.Label("Not connected..." + PhotonNetwork.connectionStateDetailed);
75         }
76     }
File name: WorkerInGame.cs Copy
34     public void OnMasterClientSwitched(PhotonPlayer player)
35     {
36         Debug.Log("OnMasterClientSwitched: " + player);
37
38         string message;
39         InRoomChat chatComponent = GetComponent(); // if we find a InRoomChat component, we print out a short message
40
41         if (chatComponent != null)
42         {
43             // to check if this client is the new master...
44             if (player.isLocal)
45             {
46                 message = "You are Master Client now.";
47             }
48             else
49             {
50                 message = player.name + " is Master Client now.";
51             }
52
53
54             chatComponent.AddLine(message); // the Chat method is a RPC. as we don't want to send an RPC and neither create a PhotonMessageInfo, lets call AddLine()
55         }
56     }
File name: GameLogic.cs Copy
27     public void OnPhotonPlayerConnected(PhotonPlayer player)
28     {
29         Debug.Log("OnPhotonPlayerConnected: " + player);
30
31         // when new players join, we send "who's it" to let them know
32         // only one player will do this: the "master"
33
34         if (PhotonNetwork.isMasterClient)
35         {
36             TagPlayer(playerWhoIsIt);
37         }
38     }
File name: GameLogic.cs Copy
53     public void OnPhotonPlayerDisconnected(PhotonPlayer player)
54     {
55         Debug.Log("OnPhotonPlayerDisconnected: " + player);
56
57         if (PhotonNetwork.isMasterClient)
58         {
59             if (player.ID == playerWhoIsIt)
60             {
61                 // if the player who left was "it", the "master" is the new "it"
62                 TagPlayer(PhotonNetwork.player.ID);
63             }
64         }
65     }
File name: GameLogic.cs Copy
67     public void OnMasterClientSwitched()
68     {
69         Debug.Log("OnMasterClientSwitched");
70     }
File name: PhotonConverter.cs Copy
189     static void ConvertToPhotonAPI(string file)
190     {
191         string text = File.ReadAllText(file);
192
193         bool isJS = file.Contains(".js");
194
195         file = file.Replace("\\", "/"); // Get Class name for JS
196         string className = file.Substring(file.LastIndexOf("/")+1);
197         className = className.Substring(0, className.IndexOf("."));
198
199
200         //REGEXP STUFF
201         //Valid are: Space { } , /n /r
202         //string NOT_VAR = @"([^A-Za-z0-9_\[\]\.]+)";
203         string NOT_VAR_WITH_DOT = @"([^A-Za-z0-9_]+)";
204
205         //string VAR_NONARRAY = @"[^A-Za-z0-9_]";
206
207
208         //NetworkView
209         {
210             text = PregReplace(text, NOT_VAR_WITH_DOT + "NetworkView" + NOT_VAR_WITH_DOT, "$1PhotonView$2");
211             text = PregReplace(text, NOT_VAR_WITH_DOT + "networkView" + NOT_VAR_WITH_DOT, "$1photonView$2");
212             text = PregReplace(text, NOT_VAR_WITH_DOT + "stateSynchronization" + NOT_VAR_WITH_DOT, "$1synchronization$2");
213             text = PregReplace(text, NOT_VAR_WITH_DOT + "NetworkStateSynchronization" + NOT_VAR_WITH_DOT, "$1ViewSynchronization$2"); // map Unity enum to ours
214             //.RPC
215             text = PregReplace(text, NOT_VAR_WITH_DOT + "RPCMode.Server" + NOT_VAR_WITH_DOT, "$1PhotonTargets.MasterClient$2");
216             text = PregReplace(text, NOT_VAR_WITH_DOT + "RPCMode" + NOT_VAR_WITH_DOT, "$1PhotonTargets$2");
217         }
218
219         //NetworkMessageInfo: 100%
220         {
221             text = PregReplace(text, NOT_VAR_WITH_DOT + "NetworkMessageInfo" + NOT_VAR_WITH_DOT, "$1PhotonMessageInfo$2");
222             text = PregReplace(text, NOT_VAR_WITH_DOT + "networkView" + NOT_VAR_WITH_DOT, "$1photonView$2");
223         }
224
225         //NetworkViewID:
226         {
227             text = PregReplace(text, NOT_VAR_WITH_DOT + "NetworkViewID" + NOT_VAR_WITH_DOT, "$1int$2"); //We simply use an int
228         }
229
230         //NetworkPlayer
231         {
232             text = PregReplace(text, NOT_VAR_WITH_DOT + "NetworkPlayer" + NOT_VAR_WITH_DOT, "$1PhotonPlayer$2");
233         }
234
235         //Network
236         {
237             //Monobehaviour callbacks
238             {
239                 text = PregReplace(text, NOT_VAR_WITH_DOT + "OnPlayerConnected" + NOT_VAR_WITH_DOT, "$1OnPhotonPlayerConnected$2");
240                 text = PregReplace(text, NOT_VAR_WITH_DOT + "OnPlayerDisconnected" + NOT_VAR_WITH_DOT, "$1OnPhotonPlayerDisconnected$2");
241                 text = PregReplace(text, NOT_VAR_WITH_DOT + "OnNetworkInstantiate" + NOT_VAR_WITH_DOT, "$1OnPhotonInstantiate$2");
242                 text = PregReplace(text, NOT_VAR_WITH_DOT + "OnSerializeNetworkView" + NOT_VAR_WITH_DOT, "$1OnPhotonSerializeView$2");
243                 text = PregReplace(text, NOT_VAR_WITH_DOT + "BitStream" + NOT_VAR_WITH_DOT, "$1PhotonStream$2");
244
245                 //Not completely the same meaning
246                 text = PregReplace(text, NOT_VAR_WITH_DOT + "OnServerInitialized" + NOT_VAR_WITH_DOT, "$1OnCreatedRoom$2");
247                 text = PregReplace(text, NOT_VAR_WITH_DOT + "OnConnectedToServer" + NOT_VAR_WITH_DOT, "$1OnJoinedRoom$2");
248
249                 text = PregReplace(text, NOT_VAR_WITH_DOT + "OnFailedToConnectToMasterServer" + NOT_VAR_WITH_DOT, "$1OnFailedToConnectToPhoton$2");
250                 text = PregReplace(text, NOT_VAR_WITH_DOT + "OnFailedToConnect" + NOT_VAR_WITH_DOT, "$1OnFailedToConnect_OBSELETE$2");
251             }
252
253             //Variables
254             {
255
256                 text = PregReplace(text, NOT_VAR_WITH_DOT + "Network.connections" + NOT_VAR_WITH_DOT, "$1PhotonNetwork.playerList$2");
257                 text = PregReplace(text, NOT_VAR_WITH_DOT + "Network.isServer" + NOT_VAR_WITH_DOT, "$1PhotonNetwork.isMasterClient$2");
258                 text = PregReplace(text, NOT_VAR_WITH_DOT + "Network.isClient" + NOT_VAR_WITH_DOT, "$1PhotonNetwork.isNonMasterClientInRoom$2");
259
260                 text = PregReplace(text, NOT_VAR_WITH_DOT + "NetworkPeerType" + NOT_VAR_WITH_DOT, "$1ConnectionState$2");
261                 text = PregReplace(text, NOT_VAR_WITH_DOT + "Network.peerType" + NOT_VAR_WITH_DOT, "$1PhotonNetwork.connectionState$2");
262                 text = PregReplace(text, NOT_VAR_WITH_DOT + "ConnectionState.Server" + NOT_VAR_WITH_DOT, "$1PhotonNetwork.isMasterClient$2");
263                 text = PregReplace(text, NOT_VAR_WITH_DOT + "ConnectionState.Client" + NOT_VAR_WITH_DOT, "$1PhotonNetwork.isNonMasterClientInRoom$2");
264                 text = PregReplace(text, NOT_VAR_WITH_DOT + "PhotonNetwork.playerList.Length" + NOT_VAR_WITH_DOT, "$1PhotonNetwork.playerList.Count$2");
265
266                 /*DROPPED:
267                     minimumAllocatableViewIDs
268                     natFacilitatorIP is dropped
269                     natFacilitatorPort is dropped
270                     connectionTesterIP
271                     connectionTesterPort
272                     proxyIP
273                     proxyPort
274                     useProxy
275                     proxyPassword
276                  */
277             }
278
279             //Methods
280             {
281                 text = PregReplace(text, NOT_VAR_WITH_DOT + "Network.InitializeServer" + NOT_VAR_WITH_DOT, "$1PhotonNetwork.CreateRoom$2");
282                 text = PregReplace(text, NOT_VAR_WITH_DOT + "Network.Connect" + NOT_VAR_WITH_DOT, "$1PhotonNetwork.JoinRoom$2");
283                 text = PregReplace(text, NOT_VAR_WITH_DOT + "Network.GetAveragePing" + NOT_VAR_WITH_DOT, "$1PhotonNetwork.GetPing$2");
284                 text = PregReplace(text, NOT_VAR_WITH_DOT + "Network.GetLastPing" + NOT_VAR_WITH_DOT, "$1PhotonNetwork.GetPing$2");
285                 /*DROPPED:
286                     TestConnection
287                     TestConnectionNAT
288                     HavePublicAddress
289                 */
290             }
291
292             //Overall
293             text = PregReplace(text, NOT_VAR_WITH_DOT + "Network" + NOT_VAR_WITH_DOT, "$1PhotonNetwork$2");
294
295
296         //Changed methods
297              string ignoreMe = @"([A-Za-z0-9_\[\]\(\) ]+)";
298
299          text = PregReplace(text, NOT_VAR_WITH_DOT + "PhotonNetwork.GetPing\\(" + ignoreMe+"\\);", "$1PhotonNetwork.GetPing();");
300         text = PregReplace(text, NOT_VAR_WITH_DOT + "PhotonNetwork.CloseConnection\\(" + ignoreMe+","+ignoreMe+"\\);", "$1PhotonNetwork.CloseConnection($2);");
301
302         }
303
304         //General
305         {
306             if (text.Contains("Photon")) //Only use the PhotonMonoBehaviour if we use photonView and friends.
307             {
308                 if (isJS)//JS
309                 {
310                     if (text.Contains("extends MonoBehaviour"))
311                         text = PregReplace(text, "extends MonoBehaviour", "extends Photon.MonoBehaviour");
312                     else
313                         text = "class " + className + " extends Photon.MonoBehaviour {\n" + text + "\n}";
314                 }
315                 else //C#
316                     text = PregReplace(text, ": MonoBehaviour", ": Photon.MonoBehaviour");
317             }
318         }
319
320         File.WriteAllText(file, text);
321     }
File name: PhotonViewInspector.cs Copy
21     public override void OnInspectorGUI()
22     {
23         #if UNITY_3_5
24         EditorGUIUtility.LookLikeInspector();
25         #endif
26         //EditorGUI.indentLevel = 1;
27
28         m_Target = (PhotonView)this.target;
29         bool isProjectPrefab = EditorUtility.IsPersistent(m_Target.gameObject);
30
31         if( m_Target.ObservedComponents == null )
32         {
33             m_Target.ObservedComponents = new System.Collections.Generic.List();
34         }
35
36         if( m_Target.ObservedComponents.Count == 0 )
37         {
38             m_Target.ObservedComponents.Add( null );
39         }
40
41         EditorGUILayout.BeginHorizontal();
42         // Owner
43         if (isProjectPrefab)
44         {
45             EditorGUILayout.LabelField("Owner:", "Set at runtime");
46         }
47         else if (m_Target.isSceneView)
48         {
49             EditorGUILayout.LabelField("Owner", "Scene");
50         }
51         else
52         {
53             PhotonPlayer owner = m_Target.owner;
54             string ownerInfo = (owner != null) ? owner.name : "";
55
56             if (string.IsNullOrEmpty(ownerInfo))
57             {
58                 ownerInfo = "";
59             }
60
61             EditorGUILayout.LabelField("Owner", "[" + m_Target.ownerId + "] " + ownerInfo);
62         }
63
64         // ownership requests
65         EditorGUI.BeginDisabledGroup(Application.isPlaying);
66         m_Target.ownershipTransfer = (OwnershipOption)EditorGUILayout.EnumPopup(m_Target.ownershipTransfer, GUILayout.Width(100));
67         EditorGUI.EndDisabledGroup();
68
69         EditorGUILayout.EndHorizontal();
70
71
72         // View ID
73         if (isProjectPrefab)
74         {
75             EditorGUILayout.LabelField("View ID", "Set at runtime");
76         }
77         else if (EditorApplication.isPlaying)
78         {
79             EditorGUILayout.LabelField("View ID", m_Target.viewID.ToString());
80         }
81         else
82         {
83             int idValue = EditorGUILayout.IntField("View ID [1.."+(PhotonNetwork.MAX_VIEW_IDS-1)+"]", m_Target.viewID);
84             m_Target.viewID = idValue;
85         }
86
87
88
89         // Locally Controlled
90         if (EditorApplication.isPlaying)
91         {
92             string masterClientHint = PhotonNetwork.isMasterClient ? "(master)" : "";
93             EditorGUILayout.Toggle("Controlled locally: " + masterClientHint, m_Target.isMine);
94         }
95
96
97
98         //DrawOldObservedItem();
99         ConvertOldObservedItemToObservedList();
100
101
102         // ViewSynchronization (reliability)
103         if (m_Target.synchronization == ViewSynchronization.Off)
104         {
105             GUI.color = Color.grey;
106         }
107
108         EditorGUILayout.PropertyField( serializedObject.FindProperty( "synchronization" ), new GUIContent( "Observe option:" ) );
109
110         if( m_Target.synchronization != ViewSynchronization.Off &&
111             m_Target.ObservedComponents.FindAll( item => item != null ).Count == 0 )
112         {
113             GUILayout.BeginVertical( GUI.skin.box );
114             GUILayout.Label( "Warning", EditorStyles.boldLabel );
115             GUILayout.Label( "Setting the synchronization option only makes sense if you observe something." );
116             GUILayout.EndVertical();
117         }
118
119         /*ViewSynchronization vsValue = (ViewSynchronization)EditorGUILayout.EnumPopup("Observe option:", m_Target.synchronization);
120         if (vsValue != m_Target.synchronization)
121         {
122             m_Target.synchronization = vsValue;
123             if (m_Target.synchronization != ViewSynchronization.Off && m_Target.observed == null)
124             {
125                 EditorUtility.DisplayDialog("Warning", "Setting the synchronization option only makes sense if you observe something.", "OK, I will fix it.");
126             }
127         }*/
128
129         DrawSpecificTypeSerializationOptions();
130
131         GUI.color = Color.white;
132         DrawObservedComponentsList();
133
134         // Cleanup: save and fix look
135         if (GUI.changed)
136         {
137             EditorUtility.SetDirty(m_Target);
138             PhotonViewHandler.HierarchyChange(); // TODO: check if needed
139         }
140
141         GUI.color = Color.white;
142         EditorGUIUtility.LookLikeControls();
143     }

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