public bool TeleportAgent(GridRegion destination, uint TeleportFlags, int DrawDistance,
AgentCircuitData circuit, AgentData agentData, UUID AgentID, ulong requestingRegion,
out string reason)
{
IClientCapsService clientCaps = m_registry.RequestModuleInterface <ICapsService>().GetClientCapsService(AgentID);
IRegionClientCapsService regionCaps = clientCaps.GetCapsService(requestingRegion);
if (regionCaps == null || !regionCaps.RootAgent)
{
reason = "";
return(false);
}
bool result = false;
try
{
bool callWasCanceled = false;
ISimulationService SimulationService = m_registry.RequestModuleInterface <ISimulationService>();
if (SimulationService != null)
{
//Set the user in transit so that we block duplicate tps and reset any cancelations
if (!SetUserInTransit(AgentID))
{
reason = "Already in a teleport";
return(false);
}
//Note: we have to pull the new grid region info as the one from the region cannot be trusted
IGridService GridService = m_registry.RequestModuleInterface <IGridService>();
if (GridService != null)
{
destination = GridService.GetRegionByUUID(UUID.Zero, destination.RegionID);
//Inform the client of the neighbor if needed
circuit.child = false; //Force child status to the correct type
if (!InformClientOfNeighbor(AgentID, requestingRegion, circuit, destination, TeleportFlags,
agentData, out reason))
{
ResetFromTransit(AgentID);
return(false);
}
}
else
{
reason = "Could not find the grid service";
ResetFromTransit(AgentID);
return(false);
}
IEventQueueService EQService = m_registry.RequestModuleInterface <IEventQueueService>();
IRegionClientCapsService otherRegion = clientCaps.GetCapsService(destination.RegionHandle);
EQService.TeleportFinishEvent(destination.RegionHandle, destination.Access, destination.ExternalEndPoint, otherRegion.CapsUrl,
4, AgentID, TeleportFlags,
destination.RegionSizeX, destination.RegionSizeY,
requestingRegion);
// 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.
result = WaitForCallback(AgentID, out callWasCanceled);
if (!result)
{
//It says it failed, lets call the sim and check
IAgentData data = null;
result = SimulationService.RetrieveAgent(destination, AgentID, out data);
}
if (!result)
{
if (!callWasCanceled)
{
m_log.Warn("[AgentProcessing]: Callback never came for teleporting agent " +
AgentID + ". Resetting.");
}
INeighborService service = m_registry.RequestModuleInterface <INeighborService>();
if (service != null)
{
//Close the agent at the place we just created if it isn't a neighbor
if (service.IsOutsideView(regionCaps.RegionX, destination.RegionLocX, regionCaps.Region.RegionSizeX, destination.RegionSizeX,
regionCaps.RegionY, destination.RegionLocY, regionCaps.Region.RegionSizeY, destination.RegionSizeY))
{
SimulationService.CloseAgent(destination, AgentID);
}
}
clientCaps.RemoveCAPS(destination.RegionHandle);
if (!callWasCanceled)
{
reason = "The teleport timed out";
}
else
{
reason = "Cancelled";
}
}
else
{
//Fix the root agent status
otherRegion.RootAgent = true;
regionCaps.RootAgent = false;
// Next, let's close the child agent connections that are too far away.
CloseNeighborAgents(regionCaps.Region, destination, AgentID);
reason = "";
}
}
else
{
reason = "No SimulationService found!";
}
}
catch (Exception ex)
{
m_log.WarnFormat("[AgentProcessing]: Exception occured during agent teleport, {0}", ex.ToString());
reason = "Exception occured.";
}
//All done
ResetFromTransit(AgentID);
return(result);
}