C# SceneObjectGroup.SetRootPart方法代码示例

//.........这里部分代码省略.........
                pbs.PathTaperX = (sbyte) obj.TaperX;
                pbs.PathTaperY = (sbyte) obj.TaperY;
                pbs.PathTwist = (sbyte) obj.Twist;
                pbs.PathTwistBegin = (sbyte) obj.TwistBegin;
                pbs.HollowShape = (HollowShape) obj.ProfileHollow;
                pbs.PCode = (byte) PCode.Prim;
                pbs.ProfileBegin = (ushort) obj.ProfileBegin;
                pbs.ProfileCurve = (byte) obj.ProfileCurve;
                pbs.ProfileEnd = (ushort) obj.ProfileEnd;
                pbs.Scale = obj.Scale;
                pbs.State = (byte) 0;
                pbs.LastAttachPoint = (byte) 0;
                SceneObjectPart prim = new SceneObjectPart();
                prim.UUID = UUID.Random();
                prim.CreatorID = AgentId;
                prim.OwnerID = AgentId;
                prim.GroupID = obj.GroupID;
                prim.LastOwnerID = prim.OwnerID;
                prim.CreationDate = Util.UnixTimeSinceEpoch();
                prim.Name = obj.Name;
                prim.Description = "";

                prim.PayPrice[0] = -2;
                prim.PayPrice[1] = -2;
                prim.PayPrice[2] = -2;
                prim.PayPrice[3] = -2;
                prim.PayPrice[4] = -2;
                Primitive.TextureEntry tmp =
                    new Primitive.TextureEntry(UUID.Parse("89556747-24cb-43ed-920b-47caed15465f"));

                for (int j = 0; j < obj.Faces.Length; j++)
                {
                    UploadObjectAssetMessage.Object.Face face = obj.Faces[j];

                    Primitive.TextureEntryFace primFace = tmp.CreateFace((uint) j);

                    primFace.Bump = face.Bump;
                    primFace.RGBA = face.Color;
                    primFace.Fullbright = face.Fullbright;
                    primFace.Glow = face.Glow;
                    primFace.TextureID = face.ImageID;
                    primFace.Rotation = face.ImageRot;
                    primFace.MediaFlags = ((face.MediaFlags & 1) != 0);

                    primFace.OffsetU = face.OffsetS;
                    primFace.OffsetV = face.OffsetT;
                    primFace.RepeatU = face.ScaleS;
                    primFace.RepeatV = face.ScaleT;
                    primFace.TexMapType = (MappingType) (face.MediaFlags & 6);
                }

                pbs.TextureEntry = tmp.GetBytes();
                prim.Shape = pbs;
                prim.Scale = obj.Scale;
                
                SceneObjectGroup grp = new SceneObjectGroup();

                grp.SetRootPart(prim);
                prim.ParentID = 0;
                if (i == 0)
                {
                    rootGroup = grp;
                   
                }
                grp.AttachToScene(m_scene);
                grp.AbsolutePosition = obj.Position;
                prim.RotationOffset = obj.Rotation;
                
                // Required for linking
                grp.RootPart.ClearUpdateSchedule();
                
                if (m_scene.Permissions.CanRezObject(1, avatar.UUID, pos))
                {
                    m_scene.AddSceneObject(grp);
                    grp.AbsolutePosition = obj.Position;
                }
                
                allparts[i] = grp;
            }

            for (int j = 1; j < allparts.Length; j++)
            {
                // Required for linking
                rootGroup.RootPart.ClearUpdateSchedule();
                allparts[j].RootPart.ClearUpdateSchedule();
                rootGroup.LinkToGroup(allparts[j]);
            }

            rootGroup.ScheduleGroupForFullUpdate();
            pos
                = m_scene.GetNewRezLocation(
                    Vector3.Zero, rootpos, UUID.Zero, rot, (byte)1, 1, true, allparts[0].GroupScale, false);
           
            responsedata["int_response_code"] = 200; //501; //410; //404;
            responsedata["content_type"] = "text/plain";
            responsedata["keepalive"] = false;
            responsedata["str_response_string"] = String.Format("<llsd><map><key>local_id</key>{0}</map></llsd>", ConvertUintToBytes(allparts[0].LocalId));

            return responsedata;
        }

        //////// Read /////////
        public static bool Xml2ToSOG(XmlTextReader reader, SceneObjectGroup sog)
        {
            reader.Read();
            reader.ReadStartElement("SceneObjectGroup");
            SceneObjectPart root = Xml2ToSOP(reader, sog.Scene);
            if (root != null)
                sog.SetRootPart(root);
            else
            {
                return false;
            }

            if (sog.UUID == UUID.Zero)
                sog.UUID = sog.RootPart.UUID;

            reader.Read(); // OtherParts

            while (!reader.EOF)
            {
                switch (reader.NodeType)
                {
                    case XmlNodeType.Element:
                        if (reader.Name == "SceneObjectPart")
                        {
                            SceneObjectPart child = Xml2ToSOP(reader, sog.Scene);
                            if (child != null)
                                sog.AddChild(child, child.LinkNum);
                        }
                        else
                        {
                            //Logger.Log("Found unexpected prim XML element " + reader.Name, Helpers.LogLevel.Debug);
                            reader.Read();
                        }
                        break;
                    case XmlNodeType.EndElement:
                    default:
                        reader.Read();
                        break;
                }

            }
            return true;
        }

//.........这里部分代码省略.........
            sop.Description = description;
            sop.Color = color;
            sop.Text = text;
            sop.SitName = sitname;
            sop.TouchName = touchname;
            sop.LinkNum = linknum;
            sop.ClickAction = clickaction;
            sop.Scale = scale;
            sop.UpdateFlag = updatef;

            //Tests if local part accepted the parameters:
            Assert.That(regionh,Is.EqualTo(sop.RegionHandle), "Assert.That(regionh,Is.EqualTo(sop.RegionHandle))");
            Assert.That(localid,Is.EqualTo(sop.LocalId), "Assert.That(localid,Is.EqualTo(sop.LocalId))");
            Assert.That(groupos,Is.EqualTo(sop.GroupPosition), "Assert.That(groupos,Is.EqualTo(sop.GroupPosition))");
            Assert.That(name,Is.EqualTo(sop.Name), "Assert.That(name,Is.EqualTo(sop.Name))");
            Assert.That(rotoff,Is.EqualTo(sop.RotationOffset), "Assert.That(rotoff,Is.EqualTo(sop.RotationOffset))");
            Assert.That(uuid,Is.EqualTo(sop.UUID), "Assert.That(uuid,Is.EqualTo(sop.UUID))");
            Assert.That(creator,Is.EqualTo(sop.CreatorID), "Assert.That(creator,Is.EqualTo(sop.CreatorID))");
            // Modified in-class
            // Assert.That(iserial,Is.EqualTo(sop.InventorySerial), "Assert.That(iserial,Is.EqualTo(sop.InventorySerial))");
            Assert.That(dic,Is.EqualTo(sop.TaskInventory), "Assert.That(dic,Is.EqualTo(sop.TaskInventory))");
            Assert.That(objf,Is.EqualTo(sop.ObjectFlags), "Assert.That(objf,Is.EqualTo(sop.ObjectFlags))");
            Assert.That(name,Is.EqualTo(sop.Name), "Assert.That(name,Is.EqualTo(sop.Name))");
            Assert.That(material,Is.EqualTo(sop.Material), "Assert.That(material,Is.EqualTo(sop.Material))");
            Assert.That(pin,Is.EqualTo(sop.ScriptAccessPin), "Assert.That(pin,Is.EqualTo(sop.ScriptAccessPin))");
            Assert.That(textani,Is.EqualTo(sop.TextureAnimation), "Assert.That(textani,Is.EqualTo(sop.TextureAnimation))");
            Assert.That(partsys,Is.EqualTo(sop.ParticleSystem), "Assert.That(partsys,Is.EqualTo(sop.ParticleSystem))");
            Assert.That(expires,Is.EqualTo(sop.Expires), "Assert.That(expires,Is.EqualTo(sop.Expires))");
            Assert.That(rezzed,Is.EqualTo(sop.Rezzed), "Assert.That(rezzed,Is.EqualTo(sop.Rezzed))");
            Assert.That(offset,Is.EqualTo(sop.OffsetPosition), "Assert.That(offset,Is.EqualTo(sop.OffsetPosition))");
            Assert.That(velocity,Is.EqualTo(sop.Velocity), "Assert.That(velocity,Is.EqualTo(sop.Velocity))");                       
            Assert.That(angvelo,Is.EqualTo(sop.AngularVelocity), "Assert.That(angvelo,Is.EqualTo(sop.AngularVelocity))");
            Assert.That(accel,Is.EqualTo(sop.Acceleration), "Assert.That(accel,Is.EqualTo(sop.Acceleration))");
            Assert.That(description,Is.EqualTo(sop.Description), "Assert.That(description,Is.EqualTo(sop.Description))");
            Assert.That(color,Is.EqualTo(sop.Color), "Assert.That(color,Is.EqualTo(sop.Color))");
            Assert.That(text,Is.EqualTo(sop.Text), "Assert.That(text,Is.EqualTo(sop.Text))");
            Assert.That(sitname,Is.EqualTo(sop.SitName), "Assert.That(sitname,Is.EqualTo(sop.SitName))");
            Assert.That(touchname,Is.EqualTo(sop.TouchName), "Assert.That(touchname,Is.EqualTo(sop.TouchName))");
            Assert.That(linknum,Is.EqualTo(sop.LinkNum), "Assert.That(linknum,Is.EqualTo(sop.LinkNum))");
            Assert.That(clickaction,Is.EqualTo(sop.ClickAction), "Assert.That(clickaction,Is.EqualTo(sop.ClickAction))");
            Assert.That(scale,Is.EqualTo(sop.Scale), "Assert.That(scale,Is.EqualTo(sop.Scale))");
            Assert.That(updatef,Is.EqualTo(sop.UpdateFlag), "Assert.That(updatef,Is.EqualTo(sop.UpdateFlag))");
            
            // This is necessary or object will not be inserted in DB            
            sop.ObjectFlags = 0;

            SceneObjectGroup sog = new SceneObjectGroup();
            sog.SetScene(scene); // Reguired by nhibernate database module.
            sog.SetRootPart(sop);
            
            // Inserts group in DB
            db.StoreObject(sog,region3);
            List<SceneObjectGroup> sogs = db.LoadObjects(region3);
            Assert.That(sogs.Count, Is.EqualTo(1), "Assert.That(sogs.Count, Is.EqualTo(1))");
            // Makes sure there are no double insertions:
            db.StoreObject(sog,region3);
            sogs = db.LoadObjects(region3);
            Assert.That(sogs.Count, Is.EqualTo(1), "Assert.That(sogs.Count, Is.EqualTo(1))");            
                

            // Tests if the parameters were inserted correctly
            SceneObjectPart p = sogs[0].RootPart;               
            Assert.That(regionh,Is.EqualTo(p.RegionHandle), "Assert.That(regionh,Is.EqualTo(p.RegionHandle))");
            //Assert.That(localid,Is.EqualTo(p.LocalId), "Assert.That(localid,Is.EqualTo(p.LocalId))");
            Assert.That(groupos,Is.EqualTo(p.GroupPosition), "Assert.That(groupos,Is.EqualTo(p.GroupPosition))");
            Assert.That(name,Is.EqualTo(p.Name), "Assert.That(name,Is.EqualTo(p.Name))");
            Assert.That(rotoff,Is.EqualTo(p.RotationOffset), "Assert.That(rotoff,Is.EqualTo(p.RotationOffset))");
            Assert.That(uuid,Is.EqualTo(p.UUID), "Assert.That(uuid,Is.EqualTo(p.UUID))");
            Assert.That(creator,Is.EqualTo(p.CreatorID), "Assert.That(creator,Is.EqualTo(p.CreatorID))");
            //Assert.That(iserial,Is.EqualTo(p.InventorySerial), "Assert.That(iserial,Is.EqualTo(p.InventorySerial))");
            Assert.That(dic,Is.EqualTo(p.TaskInventory), "Assert.That(dic,Is.EqualTo(p.TaskInventory))");
            //Assert.That(objf,Is.EqualTo(p.ObjectFlags), "Assert.That(objf,Is.EqualTo(p.ObjectFlags))");
            Assert.That(name,Is.EqualTo(p.Name), "Assert.That(name,Is.EqualTo(p.Name))");
            Assert.That(material,Is.EqualTo(p.Material), "Assert.That(material,Is.EqualTo(p.Material))");
            Assert.That(pin,Is.EqualTo(p.ScriptAccessPin), "Assert.That(pin,Is.EqualTo(p.ScriptAccessPin))");
            Assert.That(textani,Is.EqualTo(p.TextureAnimation), "Assert.That(textani,Is.EqualTo(p.TextureAnimation))");
            Assert.That(partsys,Is.EqualTo(p.ParticleSystem), "Assert.That(partsys,Is.EqualTo(p.ParticleSystem))");
            //Assert.That(expires,Is.EqualTo(p.Expires), "Assert.That(expires,Is.EqualTo(p.Expires))");
            //Assert.That(rezzed,Is.EqualTo(p.Rezzed), "Assert.That(rezzed,Is.EqualTo(p.Rezzed))");
            Assert.That(offset,Is.EqualTo(p.OffsetPosition), "Assert.That(offset,Is.EqualTo(p.OffsetPosition))");
            Assert.That(velocity,Is.EqualTo(p.Velocity), "Assert.That(velocity,Is.EqualTo(p.Velocity))");
            Assert.That(angvelo,Is.EqualTo(p.AngularVelocity), "Assert.That(angvelo,Is.EqualTo(p.AngularVelocity))");
            Assert.That(accel,Is.EqualTo(p.Acceleration), "Assert.That(accel,Is.EqualTo(p.Acceleration))");
            Assert.That(description,Is.EqualTo(p.Description), "Assert.That(description,Is.EqualTo(p.Description))");
            Assert.That(color,Is.EqualTo(p.Color), "Assert.That(color,Is.EqualTo(p.Color))");
            Assert.That(text,Is.EqualTo(p.Text), "Assert.That(text,Is.EqualTo(p.Text))");
            Assert.That(sitname,Is.EqualTo(p.SitName), "Assert.That(sitname,Is.EqualTo(p.SitName))");
            Assert.That(touchname,Is.EqualTo(p.TouchName), "Assert.That(touchname,Is.EqualTo(p.TouchName))");
            //Assert.That(linknum,Is.EqualTo(p.LinkNum), "Assert.That(linknum,Is.EqualTo(p.LinkNum))");
            Assert.That(clickaction,Is.EqualTo(p.ClickAction), "Assert.That(clickaction,Is.EqualTo(p.ClickAction))");
            Assert.That(scale,Is.EqualTo(p.Scale), "Assert.That(scale,Is.EqualTo(p.Scale))");

            //Assert.That(updatef,Is.EqualTo(p.UpdateFlag), "Assert.That(updatef,Is.EqualTo(p.UpdateFlag))");

            Assert.That(pbshap.PathBegin, Is.EqualTo(p.Shape.PathBegin), "Assert.That(pbshap.PathBegin, Is.EqualTo(p.Shape.PathBegin))");
            Assert.That(pbshap.PathEnd, Is.EqualTo(p.Shape.PathEnd), "Assert.That(pbshap.PathEnd, Is.EqualTo(p.Shape.PathEnd))");
            Assert.That(pbshap.ProfileBegin, Is.EqualTo(p.Shape.ProfileBegin), "Assert.That(pbshap.ProfileBegin, Is.EqualTo(p.Shape.ProfileBegin))");
            Assert.That(pbshap.ProfileEnd, Is.EqualTo(p.Shape.ProfileEnd), "Assert.That(pbshap.ProfileEnd, Is.EqualTo(p.Shape.ProfileEnd))");
            Assert.That(pbshap.ProfileHollow, Is.EqualTo(p.Shape.ProfileHollow), "Assert.That(pbshap.ProfileHollow, Is.EqualTo(p.Shape.ProfileHollow))");
        }

        // This builds a minimalistic Prim, 1 SOG with 1 root SOP.  A
        // common failure case is people adding new fields that aren't
        // initialized, but have non-null db constraints.  We should
        // honestly be passing more and more null things in here.
        // 
        // Please note that in Sqlite.BuildPrim there is a commented out inline version 
        // of this so you can debug and step through the build process and check the fields
        // 
        // Real World Value: Tests for situation where extending a SceneObjectGroup/SceneObjectPart
        //                   causes the application to crash at the database layer because of null values 
        //                   in NOT NULL fields
        //
        private SceneObjectGroup NewSOG(string name, UUID uuid, UUID regionId)
        {
            RegionInfo regionInfo = new RegionInfo();
            regionInfo.RegionID = regionId;
            regionInfo.RegionLocX = 0;
            regionInfo.RegionLocY = 0;

            Scene scene = new Scene(regionInfo);

            SceneObjectPart sop = new SceneObjectPart();
            sop.Name = name;
            sop.Description = name;
            sop.Text = RandomName();
            sop.SitName = RandomName();
            sop.TouchName = RandomName();
            sop.UUID = uuid;
            sop.Shape = PrimitiveBaseShape.Default;

            SceneObjectGroup sog = new SceneObjectGroup();
            sog.SetScene(scene);
            sog.SetRootPart(sop); 

            return sog;
        }

        private SceneObjectGroup LoadObject(UUID uuid, UUID region)
        {
            SceneObjectGroup group = new SceneObjectGroup();

            ICriteria criteria = manager.GetSession().CreateCriteria(typeof(SceneObjectPart));
            criteria.Add(Expression.Eq("RegionID", region));
            criteria.Add(Expression.Eq("ParentUUID", uuid));
            criteria.AddOrder(Order.Asc("ParentID"));

            foreach (SceneObjectPart p in criteria.List())
            {
                // root part
                if (p.UUID == uuid)
                {
                    group.SetRootPart(p);
                }
                else
                {
                    group.AddPart(p);
                }
            }

            return group;
        }

        /// <summary>
        /// Load persisted objects from region storage.
        /// </summary>
        /// <param name="regionUUID">The region UUID</param>
        /// <returns>List of loaded groups</returns>
        public List<SceneObjectGroup> LoadObjects(UUID regionUUID)
        {
            Dictionary<UUID, SceneObjectGroup> SOG = new Dictionary<UUID, SceneObjectGroup>();
            List<SceneObjectGroup> ret = new List<SceneObjectGroup>();

            ICriteria criteria = manager.GetSession().CreateCriteria(typeof(SceneObjectPart));
            criteria.Add(Expression.Eq("RegionID", regionUUID));
            criteria.AddOrder(Order.Asc("ParentID"));
            criteria.AddOrder(Order.Asc("LinkNum"));
            foreach (SceneObjectPart p in criteria.List())
            {
                // root part
                if (p.UUID == p.ParentUUID)
                {
                    SceneObjectGroup group = new SceneObjectGroup();
                    group.SetRootPart(p);
                    SOG.Add(p.ParentUUID, group);
                }
                else
                {
                    SOG[p.ParentUUID].AddPart(p);
                }
                // get the inventory

                ICriteria InvCriteria = manager.GetSession().CreateCriteria(typeof(TaskInventoryItem));
                InvCriteria.Add(Expression.Eq("ParentPartID", p.UUID));
                IList<TaskInventoryItem> inventory = new List<TaskInventoryItem>();
                foreach (TaskInventoryItem i in InvCriteria.List())
                {
                    inventory.Add(i);
                }

                if (inventory.Count > 0)
                    p.Inventory.RestoreInventoryItems(inventory);
            }
            foreach (SceneObjectGroup g in SOG.Values)
            {
                ret.Add(g);
            }

            return ret;
        }

        private SceneObjectGroup NewSOG(UUID uuid, Scene scene, UUID agent)
        {
            SceneObjectPart sop = new SceneObjectPart();
            sop.Name = RandomName();
            sop.Description = RandomName();
            sop.Text = RandomName();
            sop.SitName = RandomName();
            sop.TouchName = RandomName();
            sop.UUID = uuid;
            sop.Shape = PrimitiveBaseShape.Default;
            sop.Shape.State = 1;
            sop.OwnerID = agent;

            SceneObjectGroup sog = new SceneObjectGroup();
            sog.SetScene(scene);
            sog.SetRootPart(sop);

            return sog;
        }

        /// <summary>
        /// Load persisted objects from region storage.
        /// </summary>
        /// <param name="regionUUID">The region UUID</param>
        /// <returns>List of loaded groups</returns>
        public List<SceneObjectGroup> LoadObjects(UUID regionUUID)
        {
            Dictionary<UUID, SceneObjectGroup> createdObjects = new Dictionary<UUID, SceneObjectGroup>();

            List<SceneObjectGroup> retvals = new List<SceneObjectGroup>();

            DataTable prims = ds.Tables["prims"];
            DataTable shapes = ds.Tables["primshapes"];

            string byRegion = "RegionUUID = '" + regionUUID + "'";

            lock (ds)
            {
                DataRow[] primsForRegion = prims.Select(byRegion);
                m_log.Info("[REGION DB]: Loaded " + primsForRegion.Length + " prims for region: " + regionUUID);
                
                // First, create all groups 
                foreach (DataRow primRow in primsForRegion)
                {
                    try
                    {
                        SceneObjectPart prim = null;

                        string uuid = (string) primRow["UUID"];
                        string objID = (string) primRow["SceneGroupID"];
                        
                        if (uuid == objID) //is new SceneObjectGroup ?
                        {
                            SceneObjectGroup group = new SceneObjectGroup();
                            prim = buildPrim(primRow);
                            DataRow shapeRow = shapes.Rows.Find(prim.UUID.ToString());
                            if (shapeRow != null)
                            {
                                prim.Shape = buildShape(shapeRow);
                            }
                            else
                            {
                                m_log.Info(
                                    "[REGION DB]: No shape found for prim in storage, so setting default box shape");
                                prim.Shape = PrimitiveBaseShape.Default;
                            }
                            
                            group.SetRootPart(prim);
                            createdObjects.Add(group.UUID, group);
                            retvals.Add(group);
                            LoadItems(prim);
                        }
                    }
                    catch (Exception e)
                    {
                        m_log.Error("[REGION DB]: Failed create prim object in new group, exception and data follows");
                        m_log.Info("[REGION DB]: " + e.ToString());
                        foreach (DataColumn col in prims.Columns)
                        {
                            m_log.Info("[REGION DB]: Col: " + col.ColumnName + " => " + primRow[col]);
                        }
                    }
                }
                
                // Now fill the groups with part data
                foreach (DataRow primRow in primsForRegion)
                {
                    try
                    {
                        SceneObjectPart prim = null;

                        string uuid = (string) primRow["UUID"];
                        string objID = (string) primRow["SceneGroupID"];
                        if (uuid != objID) //is new SceneObjectGroup ?
                        {
                            prim = buildPrim(primRow);
                            DataRow shapeRow = shapes.Rows.Find(prim.UUID.ToString());
                            if (shapeRow != null)
                            {
                                prim.Shape = buildShape(shapeRow);
                            }
                            else
                            {
                                m_log.Warn(
                                    "[REGION DB]: No shape found for prim in storage, so setting default box shape");
                                prim.Shape = PrimitiveBaseShape.Default;
                            }
                            
                            createdObjects[new UUID(objID)].AddPart(prim);
                            LoadItems(prim);
                        }
                    }
                    catch (Exception e)
                    {
                        m_log.Error("[REGION DB]: Failed create prim object in group, exception and data follows");
                        m_log.Info("[REGION DB]: " + e.ToString());
                        foreach (DataColumn col in prims.Columns)
                        {
                            m_log.Info("[REGION DB]: Col: " + col.ColumnName + " => " + primRow[col]);
                        }
//.........这里部分代码省略.........

        internal SceneObjectGroup ToSceneObjectGroup()
        {
            SceneObjectGroup sog = new SceneObjectGroup();

            SceneObjectPart rootPart = RootPart.ToSceneObjectPart();

            sog.SetRootPart(rootPart);

            if (ChildParts != null)
            {
                foreach (var partSnap in ChildParts)
                {
                    SceneObjectPart childPart = partSnap.ToSceneObjectPart();

                    int originalLinkNum = childPart.LinkNum;
                    sog.AddPart(childPart);

                    // SceneObjectGroup.AddPart() tries to be smart and automatically set the LinkNum.
                    // We override that here
                    if (originalLinkNum != 0)
                        childPart.LinkNum = originalLinkNum;

                    childPart.StoreUndoState();
                }
            }

            sog.TaintedAttachment = this.TaintedAttachment;
            sog.IsTempAttachment = this.TempAttachment;

            return sog;
        }

        /// <summary>
        /// Deserialize a scene object from the original xml format
        /// </summary>
        /// <param name="serialization"></param>
        /// <returns></returns>
        public static SceneObjectGroup FromOriginalXmlFormat(UUID fromUserInventoryItemID, string xmlData)
        {
            //m_log.DebugFormat("[SOG]: Starting deserialization of SOG");
            //int time = System.Environment.TickCount;

            SceneObjectGroup sceneObject = new SceneObjectGroup();            

            // libomv.types changes UUID to Guid
            xmlData = xmlData.Replace("<UUID>", "<Guid>");
            xmlData = xmlData.Replace("</UUID>", "</Guid>");

            // Handle Nested <UUID><UUID> property
            xmlData = xmlData.Replace("<Guid><Guid>", "<UUID><Guid>");
            xmlData = xmlData.Replace("</Guid></Guid>", "</Guid></UUID>");

            try
            {
                StringReader  sr;
                XmlTextReader reader;
                XmlNodeList   parts;
                XmlDocument   doc;
                int           linkNum;

                doc = new XmlDocument();
                doc.LoadXml(xmlData);
                parts = doc.GetElementsByTagName("RootPart");

                if (parts.Count == 0)
                {
                    throw new Exception("Invalid Xml format - no root part");
                }
                else
                {
                    sr = new StringReader(parts[0].InnerXml);
                    reader = new XmlTextReader(sr);
                    sceneObject.SetRootPart(SceneObjectPart.FromXml(fromUserInventoryItemID, reader));
                    reader.Close();
                    sr.Close();
                }

                parts = doc.GetElementsByTagName("Part");

                for (int i = 0; i < parts.Count; i++)
                {
                    sr = new StringReader(parts[i].InnerXml);
                    reader = new XmlTextReader(sr);
                    SceneObjectPart part = SceneObjectPart.FromXml(reader);
                    linkNum = part.LinkNum;
                    sceneObject.AddPart(part);
                    part.LinkNum = linkNum;
                    part.TrimPermissions();
                    part.StoreUndoState();
                    reader.Close();
                    sr.Close();
                }

                // Script state may, or may not, exist. Not having any, is NOT
                // ever a problem.
                sceneObject.LoadScriptState(doc);
            }
            catch (Exception e)
            {
                m_log.ErrorFormat(
                    "[SERIALIZER]: Deserialization of xml failed with {0}.  xml was {1}", e, xmlData);
            }

            //m_log.DebugFormat("[SERIALIZER]: Finished deserialization of SOG {0}, {1}ms", Name, System.Environment.TickCount - time);

            return sceneObject;
        }      

        public static SceneObjectGroup FromXml2Format(string xmlData)
        {
            //m_log.DebugFormat("[SOG]: Starting deserialization of SOG");
            //int time = System.Environment.TickCount;

            SceneObjectGroup sceneObject = new SceneObjectGroup();
            
            // libomv.types changes UUID to Guid
            xmlData = xmlData.Replace("<UUID>", "<Guid>");
            xmlData = xmlData.Replace("</UUID>", "</Guid>");

            // Handle Nested <UUID><UUID> property
            xmlData = xmlData.Replace("<Guid><Guid>", "<UUID><Guid>");
            xmlData = xmlData.Replace("</Guid></Guid>", "</Guid></UUID>");

            try
            {
                XmlDocument doc = new XmlDocument();
                doc.LoadXml(xmlData);

                XmlNodeList parts = doc.GetElementsByTagName("SceneObjectPart");

                // Process the root part first
                if (parts.Count > 0)
                {
                    StringReader      sr = new StringReader(parts[0].OuterXml);
                    XmlTextReader reader = new XmlTextReader(sr);
                    sceneObject.SetRootPart(SceneObjectPart.FromXml(reader));
                    reader.Close();
                    sr.Close();
                }

                // Then deal with the rest
                for (int i = 1; i < parts.Count; i++)
                {
                    StringReader      sr = new StringReader(parts[i].OuterXml);
                    XmlTextReader reader = new XmlTextReader(sr);
                    SceneObjectPart part = SceneObjectPart.FromXml(reader);
                    sceneObject.AddPart(part);
                    part.StoreUndoState();
                    reader.Close();
                    sr.Close();
                }

                // Script state may, or may not, exist. Not having any, is NOT
                // ever a problem.

                sceneObject.LoadScriptState(doc);
            }
            catch (Exception e)
            {
                m_log.ErrorFormat("[SERIALIZER]: Deserialization of xml failed with {0}.  xml was {1}", e, xmlData);
            }

            //m_log.DebugFormat("[SERIALIZER]: Finished deserialization of SOG {0}, {1}ms", Name, System.Environment.TickCount - time);

            return sceneObject;
        }         

        private void CreatePointEntity(Scene scene, UUID uuid, Vector3 groupPos)
        {
            SceneObjectGroup x = new SceneObjectGroup();
            SceneObjectPart y = new SceneObjectPart();

            //Initialize part
            y.Name = "Very Small Point";
            y.RegionHandle = scene.RegionInfo.RegionHandle;
            y.CreationDate = (Int32) (DateTime.UtcNow - new DateTime(1970, 1, 1)).TotalSeconds;
            y.OwnerID = UUID.Zero;
            y.CreatorID = UUID.Zero;
            y.LastOwnerID = UUID.Zero;
            y.UUID = uuid;

            y.Shape = PrimitiveBaseShape.CreateBox();
            y.Scale = new Vector3(0.01f,0.01f,0.01f);
            y.LastOwnerID = UUID.Zero;
            y.GroupPosition = groupPos;
            y.OffsetPosition = new Vector3(0, 0, 0);
            y.RotationOffset = new Quaternion(0,0,0,0);
            y.Velocity = new Vector3(0, 0, 0);
            y.RotationalVelocity = new Vector3(0, 0, 0);
            y.AngularVelocity = new Vector3(0, 0, 0);
            y.Acceleration = new Vector3(0, 0, 0);

            y.Flags = 0;
            y.TrimPermissions();

            //Initialize group and add part as root part
            x.SetScene(scene);
            x.SetRootPart(y);
            x.RegionHandle = scene.RegionInfo.RegionHandle;
            x.SetScene(scene);

            m_Entity = x;
        }

        /// <summary>
        /// Decode & create a SOG data structure. Due to the fact that PhysActor
        /// is only created when SOG.AttachToScene() is called, the returned SOG
        /// here only have non PhysActor properties decoded and values set. The
        /// PhysActor properties should be set later by the caller.
        /// </summary>
        /// <param name="data"></param>
        /// <param name="sog"></param>
        /// <param name="syncInfos"></param>
        /// <returns>True of decoding sucessfully</returns>
        protected bool DecodeSceneObject(OSDMap data, out SceneObjectGroup sog, out Dictionary<UUID, SyncInfoBase> syncInfos, Scene scene)
        {
            sog = new SceneObjectGroup();
            syncInfos = new Dictionary<UUID, SyncInfoBase>();
            bool ret = true;

            try{
            OSDMap rootPart = (OSDMap)data["RootPart"];
            UUID uuid = rootPart["uuid"].AsUUID();
            OSDArray properties = (OSDArray)rootPart["properties"];

            //m_log.WarnFormat("{0} DecodeSceneObject for RootPart uuid: {1}", LogHeader, uuid);

            //Decode and copy to the list of PrimSyncInfo
            SyncInfoPrim sip = new SyncInfoPrim(uuid, properties, scene);
            SceneObjectPart root = (SceneObjectPart)sip.SceneThing;

            sog.SetRootPart(root);
            sip.SetPropertyValues(SyncableProperties.GroupProperties);
            syncInfos.Add(root.UUID, sip);

            if (sog.UUID == UUID.Zero)
                sog.UUID = sog.RootPart.UUID;

            //Decode the remaining parts and add them to the object group
            if (data.ContainsKey("OtherParts"))
            {
                //int otherPartsCount = data["OtherPartsCount"].AsInteger();
                OSDArray otherPartsArray = (OSDArray)data["OtherParts"];
                foreach (OSDMap otherPart in otherPartsArray)
                {
                    uuid = otherPart["uuid"].AsUUID();
                    properties = (OSDArray)otherPart["properties"];

                    //m_log.WarnFormat("{0} DecodeSceneObject for OtherParts[{1}] uuid: {2}", LogHeader, i, uuid);
                    sip = new SyncInfoPrim(uuid, properties, scene);
                    SceneObjectPart part = (SceneObjectPart)sip.SceneThing;

                    if (part == null)
                    {
                        m_log.ErrorFormat("{0} DecodeSceneObject could not decode root part.", LogHeader);
                        sog = null;
                        return false;
                    }
                    sog.AddPart(part);
                    // Should only need to set group properties from the root part, not other parts
                    //sip.SetPropertyValues(SyncableProperties.GroupProperties);
                    syncInfos.Add(part.UUID, sip);
                }
            }

            sog.IsAttachment = data["IsAttachment"].AsBoolean();
            sog.AttachedAvatar = data["AttachedAvatar"].AsUUID();
            uint ap = data["AttachmentPoint"].AsUInteger();
            if (sog.RootPart == null)
            {
                //m_log.WarnFormat("{0} DecodeSceneObject - ROOT PART IS NULL", LogHeader);
            }
            else if (sog.RootPart.Shape == null)
            {
                //m_log.WarnFormat("{0} DecodeSceneObject - ROOT PART SHAPE IS NULL", LogHeader);
            }
            else
            {
                sog.AttachmentPoint = ap;
                //m_log.WarnFormat("{0}: DecodeSceneObject AttachmentPoint = {1}", LogHeader, sog.AttachmentPoint);
            }
            }
            catch (Exception e)
            {
            m_log.WarnFormat("{0} Encountered an exception: {1} {2} {3}", "DecodeSceneObject", e.Message, e.TargetSite, e.ToString());
            ret = false;
            }
            //else
            //    m_log.WarnFormat("{0}: DecodeSceneObject AttachmentPoint = null", LogHeader);

            return ret;
        }