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e0a06f6416
Scene.NewUserConnection() - adding reason reporting this enforces estate bans very early on and prevents us from circulating client objects that we'd then have to retract once we realize that the client is not allowed into the region
364 lines
18 KiB
C#
364 lines
18 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSim Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.Net;
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using System.Reflection;
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using System.Threading;
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using log4net;
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using OpenMetaverse;
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using OpenSim.Framework;
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using OpenSim.Framework.Communications;
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using OpenSim.Framework.Communications.Cache;
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using OpenSim.Framework.Communications.Capabilities;
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using OpenSim.Region.Framework.Interfaces;
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namespace OpenSim.Region.Framework.Scenes.Hypergrid
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{
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public class HGSceneCommunicationService : SceneCommunicationService
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{
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private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
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public readonly IHyperlink m_hg;
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public HGSceneCommunicationService(CommunicationsManager commsMan, IHyperlink hg) : base(commsMan)
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{
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m_hg = hg;
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}
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/// <summary>
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/// Try to teleport an agent to a new region.
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/// </summary>
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/// <param name="remoteClient"></param>
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/// <param name="RegionHandle"></param>
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/// <param name="position"></param>
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/// <param name="lookAt"></param>
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/// <param name="flags"></param>
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public override void RequestTeleportToLocation(ScenePresence avatar, ulong regionHandle, Vector3 position,
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Vector3 lookAt, uint teleportFlags)
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{
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if (!avatar.Scene.Permissions.CanTeleport(avatar.UUID))
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return;
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bool destRegionUp = true;
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IEventQueue eq = avatar.Scene.RequestModuleInterface<IEventQueue>();
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// Reset animations; the viewer does that in teleports.
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avatar.ResetAnimations();
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if (regionHandle == m_regionInfo.RegionHandle)
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{
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// Teleport within the same region
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if (position.X < 0 || position.X > Constants.RegionSize || position.Y < 0 || position.Y > Constants.RegionSize || position.Z < 0)
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{
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Vector3 emergencyPos = new Vector3(128, 128, 128);
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m_log.WarnFormat(
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"[HGSceneCommService]: RequestTeleportToLocation() was given an illegal position of {0} for avatar {1}, {2}. Substituting {3}",
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position, avatar.Name, avatar.UUID, emergencyPos);
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position = emergencyPos;
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}
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// TODO: Get proper AVG Height
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float localAVHeight = 1.56f;
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float posZLimit = (float)avatar.Scene.Heightmap[(int)position.X, (int)position.Y];
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float newPosZ = posZLimit + localAVHeight;
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if (posZLimit >= (position.Z - (localAVHeight / 2)) && !(Single.IsInfinity(newPosZ) || Single.IsNaN(newPosZ)))
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{
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position.Z = newPosZ;
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}
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// Only send this if the event queue is null
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if (eq == null)
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avatar.ControllingClient.SendTeleportLocationStart();
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avatar.ControllingClient.SendLocalTeleport(position, lookAt, teleportFlags);
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avatar.Teleport(position);
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}
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else
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{
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RegionInfo reg = RequestNeighbouringRegionInfo(regionHandle);
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if (reg != null)
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{
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uint newRegionX = (uint)(reg.RegionHandle >> 40);
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uint newRegionY = (((uint)(reg.RegionHandle)) >> 8);
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uint oldRegionX = (uint)(m_regionInfo.RegionHandle >> 40);
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uint oldRegionY = (((uint)(m_regionInfo.RegionHandle)) >> 8);
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///
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/// Hypergrid mod start
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///
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///
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bool isHyperLink = m_hg.IsHyperlinkRegion(reg.RegionHandle);
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bool isHomeUser = true;
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ulong realHandle = regionHandle;
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CachedUserInfo uinfo = m_commsProvider.UserProfileCacheService.GetUserDetails(avatar.UUID);
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if (uinfo != null)
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{
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isHomeUser = HGNetworkServersInfo.Singleton.IsLocalUser(uinfo.UserProfile);
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realHandle = m_hg.FindRegionHandle(regionHandle);
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m_log.Debug("XXX ---- home user? " + isHomeUser + " --- hyperlink? " + isHyperLink + " --- real handle: " + realHandle.ToString());
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}
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///
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/// Hypergrid mod stop
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///
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///
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if (eq == null)
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avatar.ControllingClient.SendTeleportLocationStart();
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// Let's do DNS resolution only once in this process, please!
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// This may be a costly operation. The reg.ExternalEndPoint field is not a passive field,
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// it's actually doing a lot of work.
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IPEndPoint endPoint = reg.ExternalEndPoint;
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if (endPoint.Address == null)
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{
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// Couldn't resolve the name. Can't TP, because the viewer wants IP addresses.
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destRegionUp = false;
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}
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if (destRegionUp)
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{
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// Fixing a bug where teleporting while sitting results in the avatar ending up removed from
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// both regions
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if (avatar.ParentID != (uint)0)
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avatar.StandUp();
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if (!avatar.ValidateAttachments())
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{
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avatar.ControllingClient.SendTeleportFailed("Inconsistent attachment state");
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return;
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}
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// the avatar.Close below will clear the child region list. We need this below for (possibly)
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// closing the child agents, so save it here (we need a copy as it is Clear()-ed).
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//List<ulong> childRegions = new List<ulong>(avatar.GetKnownRegionList());
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// Compared to ScenePresence.CrossToNewRegion(), there's no obvious code to handle a teleport
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// failure at this point (unlike a border crossing failure). So perhaps this can never fail
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// once we reach here...
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//avatar.Scene.RemoveCapsHandler(avatar.UUID);
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string capsPath = String.Empty;
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AgentCircuitData agentCircuit = avatar.ControllingClient.RequestClientInfo();
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agentCircuit.BaseFolder = UUID.Zero;
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agentCircuit.InventoryFolder = UUID.Zero;
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agentCircuit.startpos = position;
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agentCircuit.child = true;
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if (Util.IsOutsideView(oldRegionX, newRegionX, oldRegionY, newRegionY))
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{
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// brand new agent, let's create a new caps seed
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agentCircuit.CapsPath = CapsUtil.GetRandomCapsObjectPath();
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}
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string reason = String.Empty;
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//if (!m_commsProvider.InterRegion.InformRegionOfChildAgent(reg.RegionHandle, agentCircuit))
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if (!m_interregionCommsOut.SendCreateChildAgent(reg.RegionHandle, agentCircuit, out reason))
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{
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avatar.ControllingClient.SendTeleportFailed(String.Format("Destination is not accepting teleports: {0}",
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reason));
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return;
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}
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// Let's close some agents
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if (isHyperLink) // close them all except this one
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{
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List<ulong> regions = new List<ulong>(avatar.KnownChildRegionHandles);
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regions.Remove(avatar.Scene.RegionInfo.RegionHandle);
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SendCloseChildAgentConnections(avatar.UUID, regions);
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}
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else // close just a few
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avatar.CloseChildAgents(newRegionX, newRegionY);
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if (Util.IsOutsideView(oldRegionX, newRegionX, oldRegionY, newRegionY) || isHyperLink)
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{
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capsPath
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= "http://"
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+ reg.ExternalHostName
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+ ":"
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+ reg.HttpPort
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+ CapsUtil.GetCapsSeedPath(agentCircuit.CapsPath);
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if (eq != null)
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{
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eq.EnableSimulator(realHandle, endPoint, avatar.UUID);
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// ES makes the client send a UseCircuitCode message to the destination,
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// which triggers a bunch of things there.
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// So let's wait
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Thread.Sleep(2000);
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eq.EstablishAgentCommunication(avatar.UUID, endPoint, capsPath);
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}
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else
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{
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avatar.ControllingClient.InformClientOfNeighbour(realHandle, endPoint);
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// TODO: make Event Queue disablable!
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}
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}
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else
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{
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// child agent already there
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agentCircuit.CapsPath = avatar.Scene.CapsModule.GetChildSeed(avatar.UUID, reg.RegionHandle);
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capsPath = "http://" + reg.ExternalHostName + ":" + reg.HttpPort
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+ "/CAPS/" + agentCircuit.CapsPath + "0000/";
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}
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//m_commsProvider.InterRegion.ExpectAvatarCrossing(reg.RegionHandle, avatar.ControllingClient.AgentId,
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// position, false);
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//if (!m_commsProvider.InterRegion.ExpectAvatarCrossing(reg.RegionHandle, avatar.ControllingClient.AgentId,
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// position, false))
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//{
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// avatar.ControllingClient.SendTeleportFailed("Problem with destination.");
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// // We should close that agent we just created over at destination...
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// List<ulong> lst = new List<ulong>();
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// lst.Add(realHandle);
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// SendCloseChildAgentAsync(avatar.UUID, lst);
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// return;
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//}
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SetInTransit(avatar.UUID);
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// Let's send a full update of the agent. This is a synchronous call.
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AgentData agent = new AgentData();
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avatar.CopyTo(agent);
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agent.Position = position;
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agent.CallbackURI = "http://" + m_regionInfo.ExternalHostName + ":" + m_regionInfo.HttpPort +
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"/agent/" + avatar.UUID.ToString() + "/" + avatar.Scene.RegionInfo.RegionHandle.ToString() + "/release/";
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m_interregionCommsOut.SendChildAgentUpdate(reg.RegionHandle, agent);
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m_log.DebugFormat(
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"[CAPS]: Sending new CAPS seed url {0} to client {1}", agentCircuit.CapsPath, avatar.UUID);
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///
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/// Hypergrid mod: realHandle instead of reg.RegionHandle
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///
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///
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if (eq != null)
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{
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eq.TeleportFinishEvent(realHandle, 13, endPoint,
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4, teleportFlags, capsPath, avatar.UUID);
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}
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else
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{
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avatar.ControllingClient.SendRegionTeleport(realHandle, 13, endPoint, 4,
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teleportFlags, capsPath);
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}
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///
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/// Hypergrid mod stop
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///
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// TeleportFinish makes the client send CompleteMovementIntoRegion (at the destination), which
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// trigers a whole shebang of things there, including MakeRoot. So let's wait for confirmation
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// that the client contacted the destination before we send the attachments and close things here.
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if (!WaitForCallback(avatar.UUID))
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{
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// Client never contacted destination. Let's restore everything back
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avatar.ControllingClient.SendTeleportFailed("Problems connecting to destination.");
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ResetFromTransit(avatar.UUID);
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// Yikes! We should just have a ref to scene here.
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avatar.Scene.InformClientOfNeighbours(avatar);
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// Finally, kill the agent we just created at the destination.
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m_interregionCommsOut.SendCloseAgent(reg.RegionHandle, avatar.UUID);
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return;
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}
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// Can't go back from here
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if (KiPrimitive != null)
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{
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KiPrimitive(avatar.LocalId);
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}
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avatar.MakeChildAgent();
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// CrossAttachmentsIntoNewRegion is a synchronous call. We shouldn't need to wait after it
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avatar.CrossAttachmentsIntoNewRegion(reg.RegionHandle, true);
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// Finally, let's close this previously-known-as-root agent, when the jump is outside the view zone
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///
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/// Hypergrid mod: extra check for isHyperLink
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///
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if (Util.IsOutsideView(oldRegionX, newRegionX, oldRegionY, newRegionY) || isHyperLink)
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{
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Thread.Sleep(5000);
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avatar.Close();
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CloseConnection(avatar.UUID);
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}
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// if (teleport success) // seems to be always success here
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// the user may change their profile information in other region,
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// so the userinfo in UserProfileCache is not reliable any more, delete it
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if (avatar.Scene.NeedSceneCacheClear(avatar.UUID) || isHyperLink)
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{
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m_commsProvider.UserProfileCacheService.RemoveUser(avatar.UUID);
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m_log.DebugFormat(
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"[HGSceneCommService]: User {0} is going to another region, profile cache removed",
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avatar.UUID);
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}
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}
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else
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{
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avatar.ControllingClient.SendTeleportFailed("Remote Region appears to be down");
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}
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}
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else
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{
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// TP to a place that doesn't exist (anymore)
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// Inform the viewer about that
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avatar.ControllingClient.SendTeleportFailed("The region you tried to teleport to doesn't exist anymore");
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// and set the map-tile to '(Offline)'
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uint regX, regY;
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Utils.LongToUInts(regionHandle, out regX, out regY);
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MapBlockData block = new MapBlockData();
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block.X = (ushort)(regX / Constants.RegionSize);
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block.Y = (ushort)(regY / Constants.RegionSize);
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block.Access = 254; // == not there
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List<MapBlockData> blocks = new List<MapBlockData>();
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blocks.Add(block);
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avatar.ControllingClient.SendMapBlock(blocks, 0);
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}
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}
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}
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}
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}
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