C# ScenePresence.CopyTo方法代码示例

//.........这里部分代码省略.........
                        endPoint.Address = NetworkUtil.GetIPFor(ipepClient.EndPoint, endPoint.Address);
                    }
                    #endregion
                    capsPath = finalDestination.ServerURI + CapsUtil.GetCapsSeedPath(agentCircuit.CapsPath);

                    if (eq != null)
                    {
                        eq.EnableSimulator(destinationHandle, endPoint, sp.UUID);

                        // ES makes the client send a UseCircuitCode message to the destination, 
                        // which triggers a bunch of things there.
                        // So let's wait
                        Thread.Sleep(200);

                        eq.EstablishAgentCommunication(sp.UUID, endPoint, capsPath);

                    }
                    else
                    {
                        sp.ControllingClient.InformClientOfNeighbour(destinationHandle, endPoint);
                    }
                }
                else
                {
                    agentCircuit.CapsPath = sp.Scene.CapsModule.GetChildSeed(sp.UUID, reg.RegionHandle);
                    capsPath = finalDestination.ServerURI + CapsUtil.GetCapsSeedPath(agentCircuit.CapsPath);
                }


                SetInTransit(sp.UUID);

                // Let's send a full update of the agent. This is a synchronous call.
                AgentData agent = new AgentData();
                sp.CopyTo(agent);
                agent.Position = position;
                SetCallbackURL(agent, sp.Scene.RegionInfo);

                //sp.ControllingClient.SendTeleportProgress(teleportFlags, "Updating agent...");

                if (!UpdateAgent(reg, finalDestination, agent))
                {
                    // Region doesn't take it
                    m_log.WarnFormat(
                        "[ENTITY TRANSFER MODULE]: UpdateAgent failed on teleport of {0} to {1}.  Returning avatar to source region.", 
                        sp.Name, finalDestination.RegionName);
                    
                    Fail(sp, finalDestination);
                    return;
                }

                sp.ControllingClient.SendTeleportProgress(teleportFlags | (uint)TeleportFlags.DisableCancel, "sending_dest");

                m_log.DebugFormat(
                    "[ENTITY TRANSFER MODULE]: Sending new CAPS seed url {0} to client {1}", capsPath, sp.UUID);

                if (eq != null)
                {
                    eq.TeleportFinishEvent(destinationHandle, 13, endPoint,
                                           0, teleportFlags, capsPath, sp.UUID);
                }
                else
                {
                    sp.ControllingClient.SendRegionTeleport(destinationHandle, 13, endPoint, 4,
                                                                teleportFlags, capsPath);
                }

        /// <summary>
        /// This Closes child agents on neighboring regions
        /// Calls an asynchronous method to do so..  so it doesn't lag the sim.
        /// </summary>
        protected ScenePresence CrossAgentSittingToNewRegionAsync(ScenePresence agent, GridRegion neighbourRegion, SceneObjectGroup grp)
        {
            Scene m_scene = agent.Scene;
            
            if (agent.ValidateAttachments())
            {
                AgentData cAgent = new AgentData();
                agent.CopyTo(cAgent);
                cAgent.Position = grp.AbsolutePosition;
                    

                cAgent.CallbackURI = "http://" + m_scene.RegionInfo.ExternalHostName + ":" + m_scene.RegionInfo.HttpPort +
                    "/agent/" + agent.UUID.ToString() + "/" + m_scene.RegionInfo.RegionID.ToString() + "/release/";

                if (!m_scene.SimulationService.UpdateAgent(neighbourRegion, cAgent))
                {
                    // region doesn't take it
                    ResetFromTransit(agent.UUID);
                    return agent;
                }

                // Next, let's close the child agent connections that are too far away.
                agent.CloseChildAgents((uint)neighbourRegion.RegionLocX / 256, (uint)neighbourRegion.RegionLocY / 256);

                string agentcaps;
                if (!agent.KnownRegions.TryGetValue(neighbourRegion.RegionHandle, out agentcaps))
                {
                    m_log.ErrorFormat("[ENTITY TRANSFER MODULE]: No ENTITY TRANSFER MODULE information for region handle {0}, exiting CrossToNewRegion.",
                                     neighbourRegion.RegionHandle);
                    return agent;
                }
                // TODO Should construct this behind a method
                string capsPath =
                    "http://" + neighbourRegion.ExternalHostName + ":" + neighbourRegion.HttpPort
                     + "/CAPS/" + agentcaps /*circuitdata.CapsPath*/ + "0000/";

                m_log.DebugFormat("[ENTITY TRANSFER MODULE]: Sending new CAPS seed url {0} to client {1}", capsPath, agent.UUID);

                IEventQueue eq = agent.Scene.RequestModuleInterface<IEventQueue>();
                if (eq != null)
                {
                    eq.CrossRegion(neighbourRegion.RegionHandle, agent.AbsolutePosition, agent.Velocity, neighbourRegion.ExternalEndPoint,
                                   capsPath, agent.UUID, agent.ControllingClient.SessionId);
                }
                else
                {
                    agent.ControllingClient.CrossRegion(neighbourRegion.RegionHandle, agent.AbsolutePosition, agent.Velocity, neighbourRegion.ExternalEndPoint,
                                                capsPath);
                }

                agent.MakeChildAgent();
                // now we have a child agent in this region. Request all interesting data about other (root) agents
                agent.SendInitialFullUpdateToAllClients();

                CrossAttachmentsIntoNewRegion(neighbourRegion, agent, true);
            }
            return agent;
        }

        /// <summary>
        /// This Closes child agents on neighboring regions
        /// Calls an asynchronous method to do so..  so it doesn't lag the sim.
        /// </summary>
        protected ScenePresence CrossAgentToNewRegionAsync(ScenePresence agent, Vector3 pos, uint neighbourx, uint neighboury, bool isFlying)
        {
            m_log.DebugFormat("[ENTITY TRANSFER MODULE]: Crossing agent {0} {1} to {2}-{3}", agent.Firstname, agent.Lastname, neighbourx, neighboury);

            Scene m_scene = agent.Scene;
            ulong neighbourHandle = Utils.UIntsToLong((uint)(neighbourx * Constants.RegionSize), (uint)(neighboury * Constants.RegionSize));

            int x = (int)(neighbourx * Constants.RegionSize), y = (int)(neighboury * Constants.RegionSize);
            GridRegion neighbourRegion = m_scene.GridService.GetRegionByPosition(m_scene.RegionInfo.ScopeID, (int)x, (int)y);

            if (neighbourRegion != null && agent.ValidateAttachments())
            {
                pos = pos + (agent.Velocity);

                SetInTransit(agent.UUID);
                AgentData cAgent = new AgentData();
                agent.CopyTo(cAgent);
                cAgent.Position = pos;
                if (isFlying)
                    cAgent.ControlFlags |= (uint)AgentManager.ControlFlags.AGENT_CONTROL_FLY;
                cAgent.CallbackURI = "http://" + m_scene.RegionInfo.ExternalHostName + ":" + m_scene.RegionInfo.HttpPort +
                    "/agent/" + agent.UUID.ToString() + "/" + m_scene.RegionInfo.RegionID.ToString() + "/release/";

                if (!m_scene.SimulationService.UpdateAgent(neighbourRegion, cAgent))
                {
                    // region doesn't take it
                    ResetFromTransit(agent.UUID);
                    return agent;
                }

				agent.ControllingClient.RequestClientInfo();

                string agentcaps;
                if (!agent.KnownRegions.TryGetValue(neighbourRegion.RegionHandle, out agentcaps))
                {
                    m_log.ErrorFormat("[ENTITY TRANSFER MODULE]: No ENTITY TRANSFER MODULE information for region handle {0}, exiting CrossToNewRegion.",
                                     neighbourRegion.RegionHandle);
                    return agent;
                }
                // TODO Should construct this behind a method
                string capsPath =
                    "http://" + neighbourRegion.ExternalHostName + ":" + neighbourRegion.HttpPort
                     + "/CAPS/" + agentcaps /*circuitdata.CapsPath*/ + "0000/";

                m_log.DebugFormat("[ENTITY TRANSFER MODULE]: Sending new CAPS seed url {0} to client {1}", capsPath, agent.UUID);

                IEventQueue eq = agent.Scene.RequestModuleInterface<IEventQueue>();
                if (eq != null)
                {
                    eq.CrossRegion(neighbourHandle, pos, agent.Velocity, neighbourRegion.ExternalEndPoint,
                                   capsPath, agent.UUID, agent.ControllingClient.SessionId);
                }
                else
                {
                    agent.ControllingClient.CrossRegion(neighbourHandle, pos, agent.Velocity, neighbourRegion.ExternalEndPoint,
                                                capsPath);
                }

                if (!WaitForCallback(agent.UUID))
                {
                    m_log.Debug("[ENTITY TRANSFER MODULE]: Callback never came in crossing agent");
                    ResetFromTransit(agent.UUID);

                    // Yikes! We should just have a ref to scene here.
                    //agent.Scene.InformClientOfNeighbours(agent);
                    EnableChildAgents(agent);

                    return agent;
                }

                // Next, let's close the child agent connections that are too far away.
                agent.CloseChildAgents(neighbourx, neighboury);

                agent.MakeChildAgent();
                // now we have a child agent in this region. Request all interesting data about other (root) agents
                agent.SendInitialFullUpdateToAllClients();

                CrossAttachmentsIntoNewRegion(neighbourRegion, agent, true);
            }

            //m_log.Debug("AFTER CROSS");
            //Scene.DumpChildrenSeeds(UUID);
            //DumpKnownRegions();
            return agent;
        }

//.........这里部分代码省略.........

                        eq.EnableSimulator(destinationHandle, endPoint, sp.UUID);

                        // ES makes the client send a UseCircuitCode message to the destination, 
                        // which triggers a bunch of things there.
                        // So let's wait
                        Thread.Sleep(200);

                        eq.EstablishAgentCommunication(sp.UUID, endPoint, capsPath);

                    }
                    else
                    {
                        sp.ControllingClient.InformClientOfNeighbour(destinationHandle, endPoint);
                    }
                }
                else
                {
                    agentCircuit.CapsPath = sp.Scene.CapsModule.GetChildSeed(sp.UUID, reg.RegionHandle);
                    capsPath = "http://" + finalDestination.ExternalHostName + ":" + finalDestination.HttpPort
                                + "/CAPS/" + agentCircuit.CapsPath + "0000/";
                }

                if (m_cancelingAgents.Contains(sp.UUID))
                {
                    Cancel(sp);
                    return;
                }

                SetInTransit(sp.UUID);

                // Let's send a full update of the agent. This is a synchronous call.
                AgentData agent = new AgentData();
                sp.CopyTo(agent);
                agent.Position = position;
                SetCallbackURL(agent, sp.Scene.RegionInfo);

                //sp.ControllingClient.SendTeleportProgress(teleportFlags, "Updating agent...");

                if (!UpdateAgent(reg, finalDestination, agent))
                {
                    // Region doesn't take it
                    Fail(sp, finalDestination);
                    return;
                }

                m_log.DebugFormat(
                    "[ENTITY TRANSFER MODULE]: Sending new CAPS seed url {0} to client {1}", capsPath, sp.UUID);

                if (eq != null)
                {
                    eq.TeleportFinishEvent(destinationHandle, 13, endPoint,
                                           0, teleportFlags, capsPath, sp.UUID, teleportFlags);
                }
                else
                {
                    sp.ControllingClient.SendRegionTeleport(destinationHandle, 13, endPoint, 4,
                                                                teleportFlags, capsPath);
                }

                // Let's set this to true tentatively. This does not trigger OnChildAgent
                sp.IsChildAgent = true;

                // TeleportFinish makes the client send CompleteMovementIntoRegion (at the destination), which
                // trigers a whole shebang of things there, including MakeRoot. So let's wait for confirmation
                // that the client contacted the destination before we send the attachments and close things here.

//.........这里部分代码省略.........
                    // correct circuit code.
                    m_eqModule.EnableSimulator(destinationHandle, endPoint, sp.UUID,
                                        finalDestination.RegionSizeX, finalDestination.RegionSizeY);
                    m_log.DebugFormat("{0} Sent EnableSimulator. regName={1}, size=<{2},{3}>", LogHeader,
                        finalDestination.RegionName, finalDestination.RegionSizeX, finalDestination.RegionSizeY);

                    // XXX: Is this wait necessary?  We will always end up waiting on UpdateAgent for the destination
                    // simulator to confirm that it has established communication with the viewer.
                    Thread.Sleep(200);

                    // At least on LL 3.3.4 for teleports between different regions on the same simulator this appears
                    // unnecessary - teleport will succeed and SEED caps will be requested without it (though possibly
                    // only on TeleportFinish).  This is untested for region teleport between different simulators
                    // though this probably also works.
                    m_eqModule.EstablishAgentCommunication(sp.UUID, endPoint, capsPath, finalDestination.RegionHandle,
                                        finalDestination.RegionSizeX, finalDestination.RegionSizeY);
                }
                else
                {
                    // XXX: This is a little misleading since we're information the client of its avatar destination,
                    // which may or may not be a neighbour region of the source region.  This path is probably little
                    // used anyway (with EQ being the one used).  But it is currently being used for test code.
                    sp.ControllingClient.InformClientOfNeighbour(destinationHandle, endPoint);
                }
            }
            else
            {
                agentCircuit.CapsPath = sp.Scene.CapsModule.GetChildSeed(sp.UUID, reg.RegionHandle);
                capsPath = finalDestination.ServerURI + CapsUtil.GetCapsSeedPath(agentCircuit.CapsPath);
            }

            // Let's send a full update of the agent. This is a synchronous call.
            AgentData agent = new AgentData();
            sp.CopyTo(agent);
            agent.Position = agentCircuit.startpos;
            SetCallbackURL(agent, sp.Scene.RegionInfo);


            // We will check for an abort before UpdateAgent since UpdateAgent will require an active viewer to 
            // establish th econnection to the destination which makes it return true.
            if (m_entityTransferStateMachine.GetAgentTransferState(sp.UUID) == AgentTransferState.Aborting)
            {
                m_interRegionTeleportAborts.Value++;

                m_log.DebugFormat(
                    "[ENTITY TRANSFER MODULE]: Aborted teleport of {0} to {1} from {2} before UpdateAgent",
                    sp.Name, finalDestination.RegionName, sp.Scene.Name);

                return;
            }

            // A common teleport failure occurs when we can send CreateAgent to the 
            // destination region but the viewer cannot establish the connection (e.g. due to network issues between
            // the viewer and the destination).  In this case, UpdateAgent timesout after 10 seconds, although then
            // there's a further 10 second wait whilst we attempt to tell the destination to delete the agent in Fail().
            if (!UpdateAgent(reg, finalDestination, agent, sp))
            {
                if (m_entityTransferStateMachine.GetAgentTransferState(sp.UUID) == AgentTransferState.Aborting)
                {
                    m_interRegionTeleportAborts.Value++;

                    m_log.DebugFormat(
                        "[ENTITY TRANSFER MODULE]: Aborted teleport of {0} to {1} from {2} after UpdateAgent due to previous client close.",
                        sp.Name, finalDestination.RegionName, sp.Scene.Name);

                    return;

        public bool CrossAgentIntoNewRegionMain(ScenePresence agent, Vector3 pos, GridRegion neighbourRegion, bool isFlying)
        {
            try
            {
                AgentData cAgent = new AgentData(); 
                agent.CopyTo(cAgent);
                cAgent.Position = pos;

                if (isFlying)
                    cAgent.ControlFlags |= (uint)AgentManager.ControlFlags.AGENT_CONTROL_FLY;

                // We don't need the callback anymnore
                cAgent.CallbackURI = String.Empty;

                // Beyond this point, extra cleanup is needed beyond removing transit state
                m_entityTransferStateMachine.UpdateInTransit(agent.UUID, AgentTransferState.Transferring);

                if (!agent.Scene.SimulationService.UpdateAgent(neighbourRegion, cAgent))
                {
                    // region doesn't take it
                    m_entityTransferStateMachine.UpdateInTransit(agent.UUID, AgentTransferState.CleaningUp);

                    m_log.WarnFormat(
                        "[ENTITY TRANSFER MODULE]: Region {0} would not accept update for agent {1} on cross attempt.  Returning to original region.", 
                        neighbourRegion.RegionName, agent.Name);

                    ReInstantiateScripts(agent);
                    agent.AddToPhysicalScene(isFlying);

                    return false;
                }

            }
            catch (Exception e)
            {
                m_log.ErrorFormat(
                    "[ENTITY TRANSFER MODULE]: Problem crossing user {0} to new region {1} from {2}.  Exception {3}{4}",
                    agent.Name, neighbourRegion.RegionName, agent.Scene.RegionInfo.RegionName, e.Message, e.StackTrace);

                // TODO: Might be worth attempting other restoration here such as reinstantiation of scripts, etc.
                return false;
            }

            return true;
        }

        private void TransferAgent_V2(ScenePresence sp, AgentCircuitData agentCircuit, GridRegion reg, GridRegion finalDestination,
            IPEndPoint endPoint, uint teleportFlags, uint oldRegionX, uint newRegionX, uint oldRegionY, uint newRegionY, string version, out string reason)
        {
            ulong destinationHandle = finalDestination.RegionHandle;
            AgentCircuitData currentAgentCircuit = sp.Scene.AuthenticateHandler.GetAgentCircuitData(sp.ControllingClient.CircuitCode);

            // Let's create an agent there if one doesn't exist yet. 
            // NOTE: logout will always be false for a non-HG teleport.
            bool logout = false;
            if (!CreateAgent(sp, reg, finalDestination, agentCircuit, teleportFlags, out reason, out logout))
            {
                m_interRegionTeleportFailures.Value++;

                m_log.DebugFormat(
                    "[ENTITY TRANSFER MODULE]: Teleport of {0} from {1} to {2} was refused because {3}",
                    sp.Name, sp.Scene.RegionInfo.RegionName, finalDestination.RegionName, reason);

                sp.ControllingClient.SendTeleportFailed(reason);

                return;
            }

            if (m_entityTransferStateMachine.GetAgentTransferState(sp.UUID) == AgentTransferState.Cancelling)
            {
                m_interRegionTeleportCancels.Value++;

                m_log.DebugFormat(
                    "[ENTITY TRANSFER MODULE]: Cancelled teleport of {0} to {1} from {2} after CreateAgent on client request",
                    sp.Name, finalDestination.RegionName, sp.Scene.Name);

                return;
            }
            else if (m_entityTransferStateMachine.GetAgentTransferState(sp.UUID) == AgentTransferState.Aborting)
            {
                m_interRegionTeleportAborts.Value++;

                m_log.DebugFormat(
                    "[ENTITY TRANSFER MODULE]: Aborted teleport of {0} to {1} from {2} after CreateAgent due to previous client close.",
                    sp.Name, finalDestination.RegionName, sp.Scene.Name);

                return;
            }

            // Past this point we have to attempt clean up if the teleport fails, so update transfer state.
            m_entityTransferStateMachine.UpdateInTransit(sp.UUID, AgentTransferState.Transferring);

            IClientIPEndpoint ipepClient;
            string capsPath = String.Empty;
            float dist = (float)Math.Max(sp.Scene.DefaultDrawDistance, 
                (float)Math.Max(sp.Scene.RegionInfo.RegionSizeX, sp.Scene.RegionInfo.RegionSizeY));
            if (NeedsNewAgent(dist, oldRegionX, newRegionX, oldRegionY, newRegionY))
            {
                m_log.DebugFormat(
                    "[ENTITY TRANSFER MODULE]: Determined that region {0} at {1},{2} needs new child agent for agent {3} from {4}",
                    finalDestination.RegionName, newRegionX, newRegionY, sp.Name, Scene.Name);

                //sp.ControllingClient.SendTeleportProgress(teleportFlags, "Creating agent...");
                #region IP Translation for NAT
                // Uses ipepClient above
                if (sp.ClientView.TryGet(out ipepClient))
                {
                    endPoint.Address = NetworkUtil.GetIPFor(ipepClient.EndPoint, endPoint.Address);
                }
                #endregion
                capsPath = finalDestination.ServerURI + CapsUtil.GetCapsSeedPath(agentCircuit.CapsPath);
            }
            else
            {
                agentCircuit.CapsPath = sp.Scene.CapsModule.GetChildSeed(sp.UUID, reg.RegionHandle);
                capsPath = finalDestination.ServerURI + CapsUtil.GetCapsSeedPath(agentCircuit.CapsPath);
            }

            // We need to set this here to avoid an unlikely race condition when teleporting to a neighbour simulator,
            // where that neighbour simulator could otherwise request a child agent create on the source which then 
            // closes our existing agent which is still signalled as root.
            //sp.IsChildAgent = true;

            // New protocol: send TP Finish directly, without prior ES or EAC. That's what happens in the Linden grid
            if (m_eqModule != null)
                m_eqModule.TeleportFinishEvent(destinationHandle, 13, endPoint, 0, teleportFlags, capsPath, sp.UUID,
                                    finalDestination.RegionSizeX, finalDestination.RegionSizeY);
            else
                sp.ControllingClient.SendRegionTeleport(destinationHandle, 13, endPoint, 4,
                                                            teleportFlags, capsPath);

            m_log.DebugFormat(
                "[ENTITY TRANSFER MODULE]: Sending new CAPS seed url {0} from {1} to {2}",
                capsPath, sp.Scene.RegionInfo.RegionName, sp.Name);

            // Let's send a full update of the agent. 
            AgentData agent = new AgentData();
            sp.CopyTo(agent);
            agent.Position = agentCircuit.startpos;
            agent.SenderWantsToWaitForRoot = true;
            //SetCallbackURL(agent, sp.Scene.RegionInfo);

            // Reset the do not close flag.  This must be done before the destination opens child connections (here
            // triggered by UpdateAgent) to avoid race conditions.  However, we also want to reset it as late as possible
            // to avoid a situation where an unexpectedly early call to Scene.NewUserConnection() wrongly results
            // in no close.
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                    endPoint.Address = NetworkUtil.GetIPFor(ipepClient.EndPoint, endPoint.Address);
                }
                #endregion
                capsPath = finalDestination.ServerURI + CapsUtil.GetCapsSeedPath(agentCircuit.CapsPath);

                if (m_eqModule != null)
                {
                    m_eqModule.EnableSimulator(destinationHandle, endPoint, sp.UUID);

                    // ES makes the client send a UseCircuitCode message to the destination, 
                    // which triggers a bunch of things there.
                    // So let's wait
                    Thread.Sleep(200);

                    // At least on LL 3.3.4 for teleports between different regions on the same simulator this appears
                    // unnecessary - teleport will succeed and SEED caps will be requested without it (though possibly
                    // only on TeleportFinish).  This is untested for region teleport between different simulators
                    // though this probably also works.
                    m_eqModule.EstablishAgentCommunication(sp.UUID, endPoint, capsPath);
                }
                else
                {
                    sp.ControllingClient.InformClientOfNeighbour(destinationHandle, endPoint);
                }
            }
            else
            {
                agentCircuit.CapsPath = sp.Scene.CapsModule.GetChildSeed(sp.UUID, reg.RegionHandle);
                capsPath = finalDestination.ServerURI + CapsUtil.GetCapsSeedPath(agentCircuit.CapsPath);
            }

            // Let's send a full update of the agent. This is a synchronous call.
            AgentData agent = new AgentData();
            sp.CopyTo(agent);
            agent.Position = position;
            SetCallbackURL(agent, sp.Scene.RegionInfo);

            //sp.ControllingClient.SendTeleportProgress(teleportFlags, "Updating agent...");

            if (!UpdateAgent(reg, finalDestination, agent, sp))
            {
                // Region doesn't take it
                m_log.WarnFormat(
                    "[ENTITY TRANSFER MODULE]: UpdateAgent failed on teleport of {0} to {1} from {2}.  Returning avatar to source region.",
                    sp.Name, finalDestination.RegionName, sp.Scene.RegionInfo.RegionName);
                
                Fail(sp, finalDestination, logout);
                return;
            }

            sp.ControllingClient.SendTeleportProgress(teleportFlags | (uint)TeleportFlags.DisableCancel, "sending_dest");

            m_log.DebugFormat(
                "[ENTITY TRANSFER MODULE]: Sending new CAPS seed url {0} from {1} to {2}",
                capsPath, sp.Scene.RegionInfo.RegionName, sp.Name);

            if (m_eqModule != null)
            {
                m_eqModule.TeleportFinishEvent(destinationHandle, 13, endPoint, 0, teleportFlags, capsPath, sp.UUID);
            }
            else
            {
                sp.ControllingClient.SendRegionTeleport(destinationHandle, 13, endPoint, 4,
                                                            teleportFlags, capsPath);
            }

        /// <summary>
        /// This Closes child agents on neighboring regions
        /// Calls an asynchronous method to do so..  so it doesn't lag the sim.
        /// </summary>
        protected ScenePresence CrossAgentToNewRegionAsync(ScenePresence agent, Vector3 pos, uint neighbourx, uint neighboury, bool isFlying)
        {
            m_log.DebugFormat("[SCENE COMM]: Crossing agent {0} {1} to {2}-{3}", agent.Firstname, agent.Lastname, neighbourx, neighboury);

            ulong neighbourHandle = Utils.UIntsToLong((uint)(neighbourx * Constants.RegionSize), (uint)(neighboury * Constants.RegionSize));

            int x = (int)(neighbourx * Constants.RegionSize), y = (int)(neighboury * Constants.RegionSize);
            GridRegion neighbourRegion = m_scene.GridService.GetRegionByPosition(m_scene.RegionInfo.ScopeID, (int)x, (int)y);

            if (neighbourRegion != null && agent.ValidateAttachments())
            {
                pos = pos + (agent.Velocity);

                //CachedUserInfo userInfo = m_commsProvider.UserProfileCacheService.GetUserDetails(agent.UUID);
                //if (userInfo != null)
                //{
                //    userInfo.DropInventory();
                //}
                //else
                //{
                //    m_log.WarnFormat("[SCENE COMM]: No cached user info found for {0} {1} on leaving region {2}", 
                //            agent.Name, agent.UUID, agent.Scene.RegionInfo.RegionName);
                //}

                //bool crossingSuccessful =
                //    CrossToNeighbouringRegion(neighbourHandle, agent.ControllingClient.AgentId, pos,
                                                      //isFlying);

                SetInTransit(agent.UUID);
                AgentData cAgent = new AgentData();
                agent.CopyTo(cAgent);
                cAgent.Position = pos;
                if (isFlying)
                    cAgent.ControlFlags |= (uint)AgentManager.ControlFlags.AGENT_CONTROL_FLY;
                cAgent.CallbackURI = "http://" + m_regionInfo.ExternalHostName + ":" + m_regionInfo.HttpPort +
                    "/agent/" + agent.UUID.ToString() + "/" + agent.Scene.RegionInfo.RegionHandle.ToString() + "/release/";

                m_interregionCommsOut.SendChildAgentUpdate(neighbourHandle, cAgent);

                // Next, let's close the child agent connections that are too far away.
                agent.CloseChildAgents(neighbourx, neighboury);

                //AgentCircuitData circuitdata = m_controllingClient.RequestClientInfo();
                agent.ControllingClient.RequestClientInfo();

                //m_log.Debug("BEFORE CROSS");
                //Scene.DumpChildrenSeeds(UUID);
                //DumpKnownRegions();
                string agentcaps;
                if (!agent.KnownRegions.TryGetValue(neighbourRegion.RegionHandle, out agentcaps))
                {
                    m_log.ErrorFormat("[SCENE COMM]: No CAPS information for region handle {0}, exiting CrossToNewRegion.",
                                     neighbourRegion.RegionHandle);
                    return agent;
                }
                // TODO Should construct this behind a method
                string capsPath =
                    "http://" + neighbourRegion.ExternalHostName + ":" + neighbourRegion.HttpPort
                     + "/CAPS/" + agentcaps /*circuitdata.CapsPath*/ + "0000/";

                m_log.DebugFormat("[CAPS]: Sending new CAPS seed url {0} to client {1}", capsPath, agent.UUID);

                IEventQueue eq = agent.Scene.RequestModuleInterface<IEventQueue>();
                if (eq != null)
                {
                    eq.CrossRegion(neighbourHandle, pos, agent.Velocity, neighbourRegion.ExternalEndPoint,
                                   capsPath, agent.UUID, agent.ControllingClient.SessionId);
                }
                else
                {
                    agent.ControllingClient.CrossRegion(neighbourHandle, pos, agent.Velocity, neighbourRegion.ExternalEndPoint,
                                                capsPath);
                }

                if (!WaitForCallback(agent.UUID))
                {
                    ResetFromTransit(agent.UUID);

                    // Yikes! We should just have a ref to scene here.
                    agent.Scene.InformClientOfNeighbours(agent);

                    return agent;
                }

                agent.MakeChildAgent();
                // now we have a child agent in this region. Request all interesting data about other (root) agents
                agent.SendInitialFullUpdateToAllClients();

                agent.CrossAttachmentsIntoNewRegion(neighbourHandle, true);

                //                    m_scene.SendKillObject(m_localId);

                agent.Scene.NotifyMyCoarseLocationChange();
                // the user may change their profile information in other region,
                // so the userinfo in UserProfileCache is not reliable any more, delete it
                if (agent.Scene.NeedSceneCacheClear(agent.UUID))
//.........这里部分代码省略.........

//.........这里部分代码省略.........

                    }
                    else
                    {
                        sp.ControllingClient.InformClientOfNeighbour(destinationHandle, endPoint);
                    }
                }
                else
                {
                    agentCircuit.CapsPath = sp.Scene.CapsModule.GetChildSeed(sp.UUID, reg.RegionHandle);
                    capsPath = "http://" + finalDestination.ExternalHostName + ":" + finalDestination.HttpPort
                                + "/CAPS/" + agentCircuit.CapsPath + "0000/";
                }

                // Expect avatar crossing is a heavy-duty function at the destination.
                // That is where MakeRoot is called, which fetches appearance and inventory.
                // Plus triggers OnMakeRoot, which spawns a series of asynchronous updates.
                //m_commsProvider.InterRegion.ExpectAvatarCrossing(reg.RegionHandle, avatar.ControllingClient.AgentId,
                //                                                      position, false);

                //{
                //    avatar.ControllingClient.SendTeleportFailed("Problem with destination.");
                //    // We should close that agent we just created over at destination...
                //    List<ulong> lst = new List<ulong>();
                //    lst.Add(reg.RegionHandle);
                //    SendCloseChildAgentAsync(avatar.UUID, lst);
                //    return;
                //}

                SetInTransit(sp.UUID);

                // Let's send a full update of the agent. This is a synchronous call.
                AgentData agent = new AgentData();
                sp.CopyTo(agent);
                agent.Position = position;
                SetCallbackURL(agent, sp.Scene.RegionInfo);

                UpdateAgent(reg, finalDestination, agent);

                m_log.DebugFormat(
                    "[ENTITY TRANSFER MODULE]: Sending new CAPS seed url {0} to client {1}", capsPath, sp.UUID);


                if (eq != null)
                {
                    eq.TeleportFinishEvent(destinationHandle, 13, endPoint,
                                           0, teleportFlags, capsPath, sp.UUID);
                }
                else
                {
                    sp.ControllingClient.SendRegionTeleport(destinationHandle, 13, endPoint, 4,
                                                                teleportFlags, capsPath);
                }

                // TeleportFinish makes the client send CompleteMovementIntoRegion (at the destination), which
                // trigers a whole shebang of things there, including MakeRoot. So let's wait for confirmation
                // that the client contacted the destination before we send the attachments and close things here.
                if (!WaitForCallback(sp.UUID))
                {
                    // Client never contacted destination. Let's restore everything back
                    sp.ControllingClient.SendTeleportFailed("Problems connecting to destination.");

                    ResetFromTransit(sp.UUID);

                    // Yikes! We should just have a ref to scene here.
                    //sp.Scene.InformClientOfNeighbours(sp);

        /// <summary>
        /// This Closes child agents on neighboring regions
        /// Calls an asynchronous method to do so..  so it doesn't lag the sim.
        /// </summary>
        protected ScenePresence CrossAgentToNewRegionAsync(ScenePresence agent, Vector3 pos,
            GridRegion crossingRegion, bool isFlying)
        {
            m_log.DebugFormat("[EntityTransferModule]: Crossing agent {0} {1} to region {2}", agent.Firstname, agent.Lastname, crossingRegion.RegionName);

            Scene m_scene = agent.Scene;

            if (crossingRegion != null)
            {
                //Make sure that all attachments are ready for the teleport
                IAttachmentsModule attModule = agent.Scene.RequestModuleInterface<IAttachmentsModule>();
                if (attModule != null)
                    attModule.ValidateAttachments(agent.UUID);

                int xOffset = crossingRegion.RegionLocX - m_scene.RegionInfo.RegionLocX;
                int yOffset = crossingRegion.RegionLocY - m_scene.RegionInfo.RegionLocY;

                if (xOffset < 0)
                    pos.X += m_scene.RegionInfo.RegionSizeX;
                else if (xOffset > 0)
                    pos.X -= Constants.RegionSize;

                if (yOffset < 0)
                    pos.Y += m_scene.RegionInfo.RegionSizeY;
                else if (yOffset > 0)
                    pos.Y -= Constants.RegionSize;

                //Make sure that they are within bounds (velocity can push it out of bounds)
                if (pos.X < 0)
                    pos.X = 1;
                if (pos.Y < 0)
                    pos.Y = 1;

                if (pos.X > crossingRegion.RegionSizeX)
                    pos.X = crossingRegion.RegionSizeX - 1;
                if (pos.Y > crossingRegion.RegionSizeY)
                    pos.Y = crossingRegion.RegionSizeY - 1;

                AgentData cAgent = new AgentData();
                agent.CopyTo(cAgent);
                cAgent.Position = pos;
                if (isFlying)
                    cAgent.ControlFlags |= (uint)AgentManager.ControlFlags.AGENT_CONTROL_FLY;

                AgentCircuitData agentCircuit = agent.ControllingClient.RequestClientInfo();
                agentCircuit.startpos = pos;
                agentCircuit.child = false;
                agentCircuit.Appearance = agent.Appearance;

                IEventQueueService eq = agent.Scene.RequestModuleInterface<IEventQueueService>();
                if (eq != null)
                {
                    //This does UpdateAgent and closing of child agents
                    //  messages if they need to be called
                    if (!eq.CrossAgent(crossingRegion, pos, agent.Velocity, agentCircuit,
                        cAgent, agent.Scene.RegionInfo.RegionHandle))
                    {
                        agent.ControllingClient.SendTeleportFailed("Could not cross");
                        return agent;
                    }
                }
                
                agent.MakeChildAgent();
                //Revolution- We already were in this region... we don't need updates about the avatars we already know about, right?
                // now we have a child agent in this region. Request and send all interesting data about (root) agents in the sim
                //agent.SendOtherAgentsAvatarDataToMe();
                //agent.SendOtherAgentsAppearanceToMe();

                //Kill the groups here, otherwise they will become ghost attachments 
                //  and stay in the sim, they'll get readded below into the new sim
                KillAttachments(agent);
            }
            return agent;
        }

        public virtual void DoTeleport(ScenePresence sp, GridRegion finalDestination, Vector3 position, Vector3 lookAt, uint teleportFlags)
        {
            sp.ControllingClient.SendTeleportProgress(teleportFlags, "sending_dest");
            if (finalDestination == null)
            {
                sp.ControllingClient.SendTeleportFailed("Unable to locate destination");
                return;
            }

            m_log.DebugFormat(
                "[ENTITY TRANSFER MODULE]: Request Teleport to {0}:{1}/{2}",
                finalDestination.ServerURI, finalDestination.RegionName, position);

            int newRegionX = finalDestination.RegionLocX;
            int newRegionY = finalDestination.RegionLocY;
            int oldRegionX = sp.Scene.RegionInfo.RegionLocX;
            int oldRegionY = sp.Scene.RegionInfo.RegionLocY;

            sp.ControllingClient.SendTeleportProgress(teleportFlags, "arriving");

            // Fixing a bug where teleporting while sitting results in the avatar ending up removed from
            // both regions
            if (sp.ParentID != UUID.Zero)
                sp.StandUp();

            //Make sure that all attachments are ready for the teleport
            IAttachmentsModule attModule = sp.Scene.RequestModuleInterface<IAttachmentsModule>();
            if(attModule != null)
                attModule.ValidateAttachments(sp.UUID);

            AgentCircuitData agentCircuit = sp.ControllingClient.RequestClientInfo();
            agentCircuit.startpos = position;
            //The agent will be a root agent
            agentCircuit.child = false;
            //Make sure the appearnace is right
            agentCircuit.Appearance = sp.Appearance;

            AgentData agent = new AgentData();
            sp.CopyTo(agent);
            //Fix the position
            agent.Position = position;

            IEventQueueService eq = sp.Scene.RequestModuleInterface<IEventQueueService>();
            if (eq != null)
            {
                //This does CreateAgent and sends the EnableSimulator/EstablishAgentCommunication/TeleportFinish
                //  messages if they need to be called and deals with the callback
                if (!eq.TeleportAgent(sp.UUID, (int)sp.DrawDistance,
                    agentCircuit, agent, teleportFlags, finalDestination, sp.Scene.RegionInfo.RegionHandle))
                {
                    // Fix the agent status
                    sp.IsChildAgent = false;
                    sp.ControllingClient.SendTeleportFailed("Destination refused");
                    return;
                }
            }

            //Kill the groups here, otherwise they will become ghost attachments 
            //  and stay in the sim, they'll get readded below into the new sim
            KillAttachments(sp);

            // Well, this is it. The agent is over there.
            KillEntity(sp.Scene, sp);

            INeighborService service = sp.Scene.RequestModuleInterface<INeighborService>();
            if (service != null)
            {
                //Check that the region the client is in right now isn't a part of the
                //  regions that should be closed as well
                if (service.IsOutsideView(sp.Scene.RegionInfo.RegionLocX, finalDestination.RegionLocX,
                    sp.Scene.RegionInfo.RegionLocY, finalDestination.RegionLocY))
                {
                    Thread.Sleep(1000);
                    // Fix this so that when we close, we don't have the wrong type
                    sp.IsChildAgent = false;
                    //Wait a bit for the agent to leave this region, then close them
                    sp.Scene.IncomingCloseAgent(sp.UUID);
                }
                else
                    sp.MakeChildAgent();
            }
        }

        /// <summary>
        /// This Closes child agents on neighbouring regions
        /// Calls an asynchronous method to do so..  so it doesn't lag the sim.
        /// </summary>
        protected ScenePresence CrossAgentToNewRegionAsync(ScenePresence agent, Vector3 pos, uint neighbourx, uint neighboury, GridRegion neighbourRegion, bool isFlying, string version)
        {
            ulong neighbourHandle = Utils.UIntsToLong((uint)(neighbourx * Constants.RegionSize), (uint)(neighboury * Constants.RegionSize));

            m_log.DebugFormat("[ENTITY TRANSFER MODULE]: Crossing agent {0} {1} to {2}-{3} running version {4}", agent.Firstname, agent.Lastname, neighbourx, neighboury, version);

            Scene m_scene = agent.Scene;

            if (neighbourRegion != null && agent.ValidateAttachments())
            {
                pos = pos + (agent.Velocity);

                SetInTransit(agent.UUID);
                AgentData cAgent = new AgentData();
                agent.CopyTo(cAgent);
                cAgent.Position = pos;
                if (isFlying)
                    cAgent.ControlFlags |= (uint)AgentManager.ControlFlags.AGENT_CONTROL_FLY;
                cAgent.CallbackURI = m_scene.RegionInfo.ServerURI +
                    "agent/" + agent.UUID.ToString() + "/" + m_scene.RegionInfo.RegionID.ToString() + "/release/";

                if (!m_scene.SimulationService.UpdateAgent(neighbourRegion, cAgent))
                {
                    // region doesn't take it
                    ReInstantiateScripts(agent);
                    ResetFromTransit(agent.UUID);
                    return agent;
                }

                // Next, let's close the child agent connections that are too far away.
                agent.CloseChildAgents(neighbourx, neighboury);

                //AgentCircuitData circuitdata = m_controllingClient.RequestClientInfo();
                agent.ControllingClient.RequestClientInfo();

                //m_log.Debug("BEFORE CROSS");
                //Scene.DumpChildrenSeeds(UUID);
                //DumpKnownRegions();
                string agentcaps;
                if (!agent.KnownRegions.TryGetValue(neighbourRegion.RegionHandle, out agentcaps))
                {
                    m_log.ErrorFormat("[ENTITY TRANSFER MODULE]: No ENTITY TRANSFER MODULE information for region handle {0}, exiting CrossToNewRegion.",
                                     neighbourRegion.RegionHandle);
                    return agent;
                }
                string capsPath = neighbourRegion.ServerURI + CapsUtil.GetCapsSeedPath(agentcaps);

                m_log.DebugFormat("[ENTITY TRANSFER MODULE]: Sending new CAPS seed url {0} to client {1}", capsPath, agent.UUID);

                IEventQueue eq = agent.Scene.RequestModuleInterface<IEventQueue>();
                if (eq != null)
                {
                    eq.CrossRegion(neighbourHandle, pos, agent.Velocity, neighbourRegion.ExternalEndPoint,
                                   capsPath, agent.UUID, agent.ControllingClient.SessionId);
                }
                else
                {
                    agent.ControllingClient.CrossRegion(neighbourHandle, pos, agent.Velocity, neighbourRegion.ExternalEndPoint,
                                                capsPath);
                }

                if (!WaitForCallback(agent.UUID))
                {
                    m_log.Debug("[ENTITY TRANSFER MODULE]: Callback never came in crossing agent");
                    ReInstantiateScripts(agent);
                    ResetFromTransit(agent.UUID);

                    // Yikes! We should just have a ref to scene here.
                    //agent.Scene.InformClientOfNeighbours(agent);
                    EnableChildAgents(agent);

                    return agent;
                }

                agent.MakeChildAgent();

                // now we have a child agent in this region. Request all interesting data about other (root) agents
                agent.SendOtherAgentsAvatarDataToMe();
                agent.SendOtherAgentsAppearanceToMe();

                // Backwards compatibility
                if (version == "Unknown" || version == string.Empty)
                {
                    m_log.DebugFormat("[ENTITY TRANSFER MODULE]: Old neighbor, passing attachments one by one...");
                    CrossAttachmentsIntoNewRegion(neighbourRegion, agent, true);
                }

                AgentHasMovedAway(agent, false);

                // the user may change their profile information in other region,
                // so the userinfo in UserProfileCache is not reliable any more, delete it
                // REFACTORING PROBLEM. Well, not a problem, but this method is HORRIBLE!
                if (agent.Scene.NeedSceneCacheClear(agent.UUID))
                {
                    m_log.DebugFormat(
                        "[ENTITY TRANSFER MODULE]: User {0} is going to another region", agent.UUID);
//.........这里部分代码省略.........

//.........这里部分代码省略.........

                                eq.EstablishAgentCommunication(avatar.UUID, endPoint, capsPath);
                            }
                            else
                            {
                                avatar.ControllingClient.InformClientOfNeighbour(reg.RegionHandle, endPoint);
                            }
                        }
                        else
                        {
                            agentCircuit.CapsPath = avatar.Scene.CapsModule.GetChildSeed(avatar.UUID, reg.RegionHandle);
                            capsPath = "http://" + reg.ExternalHostName + ":" + reg.HttpPort
                                        + "/CAPS/" + agentCircuit.CapsPath + "0000/";
                        }

                        // Expect avatar crossing is a heavy-duty function at the destination.
                        // That is where MakeRoot is called, which fetches appearance and inventory.
                        // Plus triggers OnMakeRoot, which spawns a series of asynchronous updates.
                        //m_commsProvider.InterRegion.ExpectAvatarCrossing(reg.RegionHandle, avatar.ControllingClient.AgentId,
                        //                                                      position, false);

                        //{
                        //    avatar.ControllingClient.SendTeleportFailed("Problem with destination.");
                        //    // We should close that agent we just created over at destination...
                        //    List<ulong> lst = new List<ulong>();
                        //    lst.Add(reg.RegionHandle);
                        //    SendCloseChildAgentAsync(avatar.UUID, lst);
                        //    return;
                        //}

                        SetInTransit(avatar.UUID);
                        // Let's send a full update of the agent. This is a synchronous call.
                        AgentData agent = new AgentData();
                        avatar.CopyTo(agent);
                        agent.Position = position;
                        agent.CallbackURI = "http://" + m_regionInfo.ExternalHostName + ":" + m_regionInfo.HttpPort + 
                            "/agent/" + avatar.UUID.ToString() + "/" + avatar.Scene.RegionInfo.RegionHandle.ToString() + "/release/";

                        m_interregionCommsOut.SendChildAgentUpdate(reg.RegionHandle, agent);

                        m_log.DebugFormat(
                            "[CAPS]: Sending new CAPS seed url {0} to client {1}", capsPath, avatar.UUID);

                        
                        if (eq != null)
                        {
                            eq.TeleportFinishEvent(reg.RegionHandle, 13, endPoint,
                                                   0, teleportFlags, capsPath, avatar.UUID);
                        }
                        else
                        {
                            avatar.ControllingClient.SendRegionTeleport(reg.RegionHandle, 13, endPoint, 4,
                                                                        teleportFlags, capsPath);
                        }

                        // TeleportFinish makes the client send CompleteMovementIntoRegion (at the destination), which
                        // trigers a whole shebang of things there, including MakeRoot. So let's wait for confirmation
                        // that the client contacted the destination before we send the attachments and close things here.
                        if (!WaitForCallback(avatar.UUID))
                        {
                            // Client never contacted destination. Let's restore everything back
                            avatar.ControllingClient.SendTeleportFailed("Problems connecting to destination.");

                            ResetFromTransit(avatar.UUID);
                            
                            // Yikes! We should just have a ref to scene here.

        /// <summary>
        /// This Closes child agents on neighbouring regions
        /// Calls an asynchronous method to do so..  so it doesn't lag the sim.
        /// </summary>
        protected ScenePresence CrossAgentToNewRegionAsync(
            ScenePresence agent, Vector3 pos, uint neighbourx, uint neighboury, GridRegion neighbourRegion,
            bool isFlying, string version)
        {
            try
            {
                ulong neighbourHandle = Utils.UIntsToLong((uint)(neighbourx * Constants.RegionSize), (uint)(neighboury * Constants.RegionSize));
    
                m_log.DebugFormat("[ENTITY TRANSFER MODULE]: Crossing agent {0} {1} to {2}-{3} running version {4}", agent.Firstname, agent.Lastname, neighbourx, neighboury, version);
    
                Scene m_scene = agent.Scene;
    
                if (neighbourRegion != null)
                {
                    if (!agent.ValidateAttachments())
                        m_log.DebugFormat(
                            "[ENTITY TRANSFER MODULE]: Failed validation of all attachments for region crossing of {0} from {1} to {2}.  Continuing.",
                            agent.Name, agent.Scene.RegionInfo.RegionName, neighbourRegion.RegionName);

                    pos = pos + agent.Velocity;
                    Vector3 vel2 = new Vector3(agent.Velocity.X, agent.Velocity.Y, 0);

                    agent.RemoveFromPhysicalScene();
                    SetInTransit(agent.UUID);

                    AgentData cAgent = new AgentData(); 
                    agent.CopyTo(cAgent);
                    cAgent.Position = pos;
                    if (isFlying)
                        cAgent.ControlFlags |= (uint)AgentManager.ControlFlags.AGENT_CONTROL_FLY;

                    // We don't need the callback anymnore
                    cAgent.CallbackURI = String.Empty;

                    if (!m_scene.SimulationService.UpdateAgent(neighbourRegion, cAgent))
                    {
                        // region doesn't take it
                        ReInstantiateScripts(agent);
                        agent.AddToPhysicalScene(isFlying);
                        ResetFromTransit(agent.UUID);
                        return agent;
                    }
    
                    //AgentCircuitData circuitdata = m_controllingClient.RequestClientInfo();
                    agent.ControllingClient.RequestClientInfo();
    
                    //m_log.Debug("BEFORE CROSS");
                    //Scene.DumpChildrenSeeds(UUID);
                    //DumpKnownRegions();
                    string agentcaps;
                    if (!agent.KnownRegions.TryGetValue(neighbourRegion.RegionHandle, out agentcaps))
                    {
                        m_log.ErrorFormat("[ENTITY TRANSFER MODULE]: No ENTITY TRANSFER MODULE information for region handle {0}, exiting CrossToNewRegion.",
                                         neighbourRegion.RegionHandle);
                        return agent;
                    }
                    string capsPath = neighbourRegion.ServerURI + CapsUtil.GetCapsSeedPath(agentcaps);
    
                    m_log.DebugFormat("[ENTITY TRANSFER MODULE]: Sending new CAPS seed url {0} to client {1}", capsPath, agent.UUID);

                    IEventQueue eq = agent.Scene.RequestModuleInterface<IEventQueue>();
                    if (eq != null)
                    {
                        eq.CrossRegion(neighbourHandle, pos, vel2 /* agent.Velocity */, neighbourRegion.ExternalEndPoint,
                                       capsPath, agent.UUID, agent.ControllingClient.SessionId);
                    }
                    else
                    {
                        agent.ControllingClient.CrossRegion(neighbourHandle, pos, agent.Velocity, neighbourRegion.ExternalEndPoint,
                                                    capsPath);
                    }

                    // SUCCESS! 
                    agent.MakeChildAgent();
                        ResetFromTransit(agent.UUID);

                    // now we have a child agent in this region. Request all interesting data about other (root) agents
                    agent.SendOtherAgentsAvatarDataToMe();
                    agent.SendOtherAgentsAppearanceToMe();

                    // Backwards compatibility. Best effort
                    if (version == "Unknown" || version == string.Empty)
                    {
                        m_log.DebugFormat("[ENTITY TRANSFER MODULE]: neighbor with old version, passing attachments one by one...");
                        Thread.Sleep(3000); // wait a little now that we're not waiting for the callback
                        CrossAttachmentsIntoNewRegion(neighbourRegion, agent, true);
                    }


                    // Next, let's close the child agent connections that are too far away.
                    agent.CloseChildAgents(neighbourx, neighboury);
    
                    AgentHasMovedAway(agent, false);
    
                    // the user may change their profile information in other region,
                    // so the userinfo in UserProfileCache is not reliable any more, delete it
//.........这里部分代码省略.........