OpenSim.Region.Framework.Scenes.ScenePresence.SendSitResponse C# (CSharp) Method

        private void SendSitResponse(IClientAPI remoteClient, UUID targetID, Vector3 offset, Quaternion pSitOrientation)
        {
            bool autopilot = true;
            Vector3 pos = new Vector3();
            Quaternion sitOrientation = pSitOrientation;
            Vector3 cameraEyeOffset = Vector3.Zero;
            Vector3 cameraAtOffset = Vector3.Zero;
            bool forceMouselook = false;

            //SceneObjectPart part =  m_scene.GetSceneObjectPart(targetID);
            SceneObjectPart part =  FindNextAvailableSitTarget(targetID);
            if (part != null)
            {
                // TODO: determine position to sit at based on scene geometry; don't trust offset from client
                // see http://wiki.secondlife.com/wiki/User:Andrew_Linden/Office_Hours/2007_11_06 for details on how LL does it

                // Is a sit target available?
                Vector3 avSitOffSet = part.SitTargetPosition;
                Quaternion avSitOrientation = part.SitTargetOrientation;
                UUID avOnTargetAlready = part.GetAvatarOnSitTarget();

                bool SitTargetUnOccupied = (!(avOnTargetAlready != UUID.Zero));
                bool SitTargetisSet =
                    (!(avSitOffSet.X == 0f && avSitOffSet.Y == 0f && avSitOffSet.Z == 0f &&
                       (
                           avSitOrientation.X == 0f && avSitOrientation.Y == 0f && avSitOrientation.Z == 0f && avSitOrientation.W == 1f // Valid Zero Rotation quaternion
                           || avSitOrientation.X == 0f && avSitOrientation.Y == 0f && avSitOrientation.Z == 1f && avSitOrientation.W == 0f // W-Z Mapping was invalid at one point
                           || avSitOrientation.X == 0f && avSitOrientation.Y == 0f && avSitOrientation.Z == 0f && avSitOrientation.W == 0f // Invalid Quaternion
                       )
                       ));

                if (SitTargetisSet && SitTargetUnOccupied)
                {
                    part.SetAvatarOnSitTarget(UUID);
                    offset = new Vector3(avSitOffSet.X, avSitOffSet.Y, avSitOffSet.Z);
                    sitOrientation = avSitOrientation;
                    autopilot = false;
                }

                pos = part.AbsolutePosition + offset;
                //if (Math.Abs(part.AbsolutePosition.Z - AbsolutePosition.Z) > 1)
                //{
                   // offset = pos;
                    //autopilot = false;
                //}
                if (m_physicsActor != null)
                {
                    // If we're not using the client autopilot, we're immediately warping the avatar to the location
                    // We can remove the physicsActor until they stand up.
                    m_sitAvatarHeight = m_physicsActor.Size.Z;

                    if (autopilot)
                    {
                        if (Util.GetDistanceTo(AbsolutePosition, pos) < 4.5)
                        {
                            autopilot = false;

                            RemoveFromPhysicalScene();
                            AbsolutePosition = pos + new Vector3(0.0f, 0.0f, m_sitAvatarHeight);
                        }
                    }
                    else
                    {
                        RemoveFromPhysicalScene();
                    }
                }

                cameraAtOffset = part.GetCameraAtOffset();
                cameraEyeOffset = part.GetCameraEyeOffset();
                forceMouselook = part.GetForceMouselook();
            }

            ControllingClient.SendSitResponse(targetID, offset, sitOrientation, autopilot, cameraAtOffset, cameraEyeOffset, forceMouselook);
            m_requestedSitTargetUUID = targetID;
            // This calls HandleAgentSit twice, once from here, and the client calls
            // HandleAgentSit itself after it gets to the location
            // It doesn't get to the location until we've moved them there though
            // which happens in HandleAgentSit :P
            m_autopilotMoving = autopilot;
            m_autoPilotTarget = pos;
            m_sitAtAutoTarget = autopilot;
            if (!autopilot)
                HandleAgentSit(remoteClient, UUID);
        }