OwnershipTransfer
How do I use Ownership Transfer
Below are practical examples compiled from projects for learning and reference purposes
Featured Snippets
File name: PhotonViewInspector.cs
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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 }
File name: NetworkingPeer.cs
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1631 public void OnEvent(EventData photonEvent)
1632 {
1633 if (PhotonNetwork.logLevel >= PhotonLogLevel.Informational)
1634 Debug.Log(string.Format("OnEvent: {0}", photonEvent.ToString()));
1635
1636 int actorNr = -1;
1637 PhotonPlayer originatingPlayer = null;
1638
1639 if (photonEvent.Parameters.ContainsKey(ParameterCode.ActorNr))
1640 {
1641 actorNr = (int)photonEvent[ParameterCode.ActorNr];
1642 if (this.mActors.ContainsKey(actorNr))
1643 {
1644 originatingPlayer = (PhotonPlayer)this.mActors[actorNr];
1645 }
1646 //else
1647 //{
1648 // // the actor sending this event is not in actorlist. this is usually no problem
1649 // if (photonEvent.Code != (byte)LiteOpCode.Join)
1650 // {
1651 // Debug.LogWarning("Received event, but we do not have this actor: " + actorNr);
1652 // }
1653 //}
1654 }
1655
1656 switch (photonEvent.Code)
1657 {
1658 case PunEvent.OwnershipRequest:
1659 {
1660 int[] requestValues = (int[]) photonEvent.Parameters[ParameterCode.CustomEventContent];
1661 int requestedViewId = requestValues[0];
1662 int currentOwner = requestValues[1];
1663 Debug.Log("Ev OwnershipRequest: " + photonEvent.Parameters.ToStringFull() + " ViewID: " + requestedViewId + " from: " + currentOwner + " Time: " + Environment.TickCount%1000);
1664
1665 PhotonView requestedView = PhotonView.Find(requestedViewId);
1666 if (requestedView == null)
1667 {
1668 Debug.LogWarning("Can't find PhotonView of incoming OwnershipRequest. ViewId not found: " + requestedViewId);
1669 break;
1670 }
1671
1672 Debug.Log("Ev OwnershipRequest PhotonView.ownershipTransfer: " + requestedView.ownershipTransfer + " .ownerId: " + requestedView.ownerId + " isOwnerActive: " + requestedView.isOwnerActive + ". This client's player: " + PhotonNetwork.player.ToStringFull());
1673
1674 switch (requestedView.ownershipTransfer)
1675 {
1676 case OwnershipOption.Fixed:
1677 Debug.LogWarning("Ownership mode == fixed. Ignoring request.");
1678 break;
1679 case OwnershipOption.Takeover:
1680 if (currentOwner == requestedView.ownerId)
1681 {
1682 // a takeover is successful automatically, if taken from current owner
1683 requestedView.ownerId = actorNr;
1684 }
1685 break;
1686 case OwnershipOption.Request:
1687 if (currentOwner == PhotonNetwork.player.ID || PhotonNetwork.player.isMasterClient)
1688 {
1689 if ((requestedView.ownerId == PhotonNetwork.player.ID) || (PhotonNetwork.player.isMasterClient && !requestedView.isOwnerActive))
1690 {
1691 SendMonoMessage(PhotonNetworkingMessage.OnOwnershipRequest, new object[] {requestedView, originatingPlayer});
1692 }
1693 }
1694 break;
1695 default:
1696 break;
1697 }
1698 }
1699 break;
1700
1701 case PunEvent.OwnershipTransfer:
1702 {
1703 int[] transferViewToUserID = (int[]) photonEvent.Parameters[ParameterCode.CustomEventContent];
1704 Debug.Log("Ev OwnershipTransfer. ViewID " + transferViewToUserID[0] + " to: " + transferViewToUserID[1] + " Time: " + Environment.TickCount%1000);
1705
1706 int requestedViewId = transferViewToUserID[0];
1707 int newOwnerId = transferViewToUserID[1];
1708
1709 PhotonView pv = PhotonView.Find(requestedViewId);
1710 pv.ownerId = newOwnerId;
1711
1712 break;
1713 }
1714 case EventCode.GameList:
1715 {
1716 this.mGameList = new Dictionary
1717 Hashtable games = (Hashtable)photonEvent[ParameterCode.GameList];
1718 foreach (DictionaryEntry game in games)
1719 {
1720 string gameName = (string)game.Key;
1721 this.mGameList[gameName] = new RoomInfo(gameName, (Hashtable)game.Value);
1722 }
1723 mGameListCopy = new RoomInfo[mGameList.Count];
1724 mGameList.Values.CopyTo(mGameListCopy, 0);
1725 SendMonoMessage(PhotonNetworkingMessage.OnReceivedRoomListUpdate);
1726 break;
1727 }
1728
1729 case EventCode.GameListUpdate:
1730 {
1731 Hashtable games = (Hashtable)photonEvent[ParameterCode.GameList];
1732 foreach (DictionaryEntry room in games)
1733 {
1734 string gameName = (string)room.Key;
1735 RoomInfo game = new RoomInfo(gameName, (Hashtable)room.Value);
1736 if (game.removedFromList)
1737 {
1738 this.mGameList.Remove(gameName);
1739 }
1740 else
1741 {
1742 this.mGameList[gameName] = game;
1743 }
1744 }
1745 this.mGameListCopy = new RoomInfo[this.mGameList.Count];
1746 this.mGameList.Values.CopyTo(this.mGameListCopy, 0);
1747 SendMonoMessage(PhotonNetworkingMessage.OnReceivedRoomListUpdate);
1748 break;
1749 }
1750
1751 case EventCode.QueueState:
1752 // not used anymore
1753 break;
1754
1755 case EventCode.AppStats:
1756 // Debug.LogInfo("Received stats!");
1757 this.mPlayersInRoomsCount = (int)photonEvent[ParameterCode.PeerCount];
1758 this.mPlayersOnMasterCount = (int)photonEvent[ParameterCode.MasterPeerCount];
1759 this.mGameCount = (int)photonEvent[ParameterCode.GameCount];
1760 break;
1761
1762 case EventCode.Join:
1763 // actorNr is fetched out of event above
1764 Hashtable actorProperties = (Hashtable)photonEvent[ParameterCode.PlayerProperties];
1765 if (originatingPlayer == null)
1766 {
1767 bool isLocal = this.mLocalActor.ID == actorNr;
1768 this.AddNewPlayer(actorNr, new PhotonPlayer(isLocal, actorNr, actorProperties));
1769 this.ResetPhotonViewsOnSerialize(); // This sets the correct OnSerializeState for Reliable OnSerialize
1770 }
1771
1772 if (actorNr == this.mLocalActor.ID)
1773 {
1774 // in this player's 'own' join event, we get a complete list of players in the room, so check if we know all players
1775 int[] actorsInRoom = (int[])photonEvent[ParameterCode.ActorList];
1776 foreach (int actorNrToCheck in actorsInRoom)
1777 {
1778 if (this.mLocalActor.ID != actorNrToCheck && !this.mActors.ContainsKey(actorNrToCheck))
1779 {
1780 this.AddNewPlayer(actorNrToCheck, new PhotonPlayer(false, actorNrToCheck, string.Empty));
1781 }
1782 }
1783
1784 // joinWithCreateOnDemand can turn an OpJoin into creating the room. Then actorNumber is 1 and callback: OnCreatedRoom()
1785 if (this.mLastJoinType == JoinType.JoinOrCreateOnDemand && this.mLocalActor.ID == 1)
1786 {
1787 SendMonoMessage(PhotonNetworkingMessage.OnCreatedRoom);
1788 }
1789 SendMonoMessage(PhotonNetworkingMessage.OnJoinedRoom); //Always send OnJoinedRoom
1790
1791 }
1792 else
1793 {
1794 SendMonoMessage(PhotonNetworkingMessage.OnPhotonPlayerConnected, this.mActors[actorNr]);
1795 }
1796 break;
1797
1798 case EventCode.Leave:
1799 this.HandleEventLeave(actorNr);
1800 break;
1801
1802 case EventCode.PropertiesChanged:
1803 int targetActorNr = (int)photonEvent[ParameterCode.TargetActorNr];
1804 Hashtable gameProperties = null;
1805 Hashtable actorProps = null;
1806 if (targetActorNr == 0)
1807 {
1808 gameProperties = (Hashtable)photonEvent[ParameterCode.Properties];
1809 }
1810 else
1811 {
1812 actorProps = (Hashtable)photonEvent[ParameterCode.Properties];
1813 }
1814
1815 this.ReadoutProperties(gameProperties, actorProps, targetActorNr);
1816 break;
1817
1818 case PunEvent.RPC:
1819 //ts: each event now contains a single RPC. execute this
1820 // Debug.Log("Ev RPC from: " + originatingPlayer);
1821 this.ExecuteRPC(photonEvent[ParameterCode.Data] as Hashtable, originatingPlayer);
1822 break;
1823
1824 case PunEvent.SendSerialize:
1825 case PunEvent.SendSerializeReliable:
1826 Hashtable serializeData = (Hashtable)photonEvent[ParameterCode.Data];
1827 //Debug.Log(serializeData.ToStringFull());
1828
1829 int remoteUpdateServerTimestamp = (int)serializeData[(byte)0];
1830 short remoteLevelPrefix = -1;
1831 short initialDataIndex = 1;
1832 if (serializeData.ContainsKey((byte)1))
1833 {
1834 remoteLevelPrefix = (short)serializeData[(byte)1];
1835 initialDataIndex = 2;
1836 }
1837
1838 for (short s = initialDataIndex; s < serializeData.Count; s++)
1839 {
1840 this.OnSerializeRead(serializeData[s] as Hashtable, originatingPlayer, remoteUpdateServerTimestamp, remoteLevelPrefix);
1841 }
1842 break;
1843
1844 case PunEvent.Instantiation:
1845 this.DoInstantiate((Hashtable)photonEvent[ParameterCode.Data], originatingPlayer, null);
1846 break;
1847
1848 case PunEvent.CloseConnection:
1849 // MasterClient "requests" a disconnection from us
1850 if (originatingPlayer == null || !originatingPlayer.isMasterClient)
1851 {
1852 Debug.LogError("Error: Someone else(" + originatingPlayer + ") then the masterserver requests a disconnect!");
1853 }
1854 else
1855 {
1856 PhotonNetwork.LeaveRoom();
1857 }
1858
1859 break;
1860
1861 case PunEvent.DestroyPlayer:
1862 Hashtable evData = (Hashtable)photonEvent[ParameterCode.Data];
1863 int targetPlayerId = (int)evData[(byte)0];
1864 if (targetPlayerId >= 0)
1865 {
1866 this.DestroyPlayerObjects(targetPlayerId, true);
1867 }
1868 else
1869 {
1870 if (this.DebugOut >= DebugLevel.INFO) Debug.Log("Ev DestroyAll! By PlayerId: " + actorNr);
1871 this.DestroyAll(true);
1872 }
1873 break;
1874
1875 case PunEvent.Destroy:
1876 evData = (Hashtable)photonEvent[ParameterCode.Data];
1877 int instantiationId = (int)evData[(byte)0];
1878 // Debug.Log("Ev Destroy for viewId: " + instantiationId + " sent by owner: " + (instantiationId / PhotonNetwork.MAX_VIEW_IDS == actorNr) + " this client is owner: " + (instantiationId / PhotonNetwork.MAX_VIEW_IDS == this.mLocalActor.ID));
1879
1880
1881 PhotonView pvToDestroy = null;
1882 if (this.photonViewList.TryGetValue(instantiationId, out pvToDestroy))
1883 {
1884 this.RemoveInstantiatedGO(pvToDestroy.gameObject, true);
1885 }
1886 else
1887 {
1888 if (this.DebugOut >= DebugLevel.ERROR) Debug.LogError("Ev Destroy Failed. Could not find PhotonView with instantiationId " + instantiationId + ". Sent by actorNr: " + actorNr);
1889 }
1890
1891 break;
1892
1893 case PunEvent.AssignMaster:
1894 evData = (Hashtable)photonEvent[ParameterCode.Data];
1895 int newMaster = (int)evData[(byte)1];
1896 this.SetMasterClient(newMaster, false);
1897 break;
1898
1899 default:
1900 if (photonEvent.Code < 200 && PhotonNetwork.OnEventCall != null)
1901 {
1902 object content = photonEvent[ParameterCode.Data];
1903 PhotonNetwork.OnEventCall(photonEvent.Code, content, actorNr);
1904 }
1905 else
1906 {
1907 // actorNr might be null. it is fetched out of event on top of method
1908 // Hashtable eventContent = (Hashtable) photonEvent[ParameterCode.Data];
1909 // this.mListener.customEventAction(actorNr, eventCode, eventContent);
1910 Debug.LogError("Error. Unhandled event: " + photonEvent);
1911 }
1912 break;
1913 }
1914
1915 this.externalListener.OnEvent(photonEvent);
1916 }
File name: NetworkingPeer.cs
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2649 internal protected void TransferOwnership(int viewID, int playerID)
2650 {
2651 Debug.Log("TransferOwnership() view " + viewID + " to: " + playerID + " Time: " + Environment.TickCount % 1000);
2652 //PhotonNetwork.networkingPeer.OpRaiseEvent(PunEvent.OwnershipTransfer, true, new int[] {viewID, playerID}, 0, EventCaching.DoNotCache, null, ReceiverGroup.All, 0);
2653 this.OpRaiseEvent(PunEvent.OwnershipTransfer, new int[] { viewID, playerID }, true, new RaiseEventOptions() { Receivers = ReceiverGroup.All }); // All sends to all via server (including self)
2654 }
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