public static OSD ObjectPhysicsProperties(ISceneChildEntity[] entities)
        {
            ObjectPhysicsPropertiesMessage message = new ObjectPhysicsPropertiesMessage();
#if (!ISWIN)
            int i = 0;
            foreach (ISceneChildEntity entity in entities)
            {
                if (entity != null) i++;
            }
#else
            int i = entities.Count(entity => entity != null);
#endif

            message.ObjectPhysicsProperties = new Primitive.PhysicsProperties[i];
            i = 0;
#if (!ISWIN)
            foreach (ISceneChildEntity entity in entities)
            {
                if (entity != null)
                {
                    message.ObjectPhysicsProperties[i] = new Primitive.PhysicsProperties
                                                             {
                                                                 Density = entity.Density,
                                                                 Friction = entity.Friction,
                                                                 GravityMultiplier = entity.GravityMultiplier,
                                                                 LocalID = entity.LocalId,
                                                                 PhysicsShapeType =
                                                                     (PhysicsShapeType) entity.PhysicsType,
                                                                 Restitution = entity.Restitution
                                                             };
                    i++;
                }
            }
#else
            foreach (ISceneChildEntity entity in entities.Where(entity => entity != null))
            {
                message.ObjectPhysicsProperties[i] = new Primitive.PhysicsProperties
                                                         {
                                                             Density = entity.Density,
                                                             Friction = entity.Friction,
                                                             GravityMultiplier = entity.GravityMultiplier,
                                                             LocalID = entity.LocalId,
                                                             PhysicsShapeType = (PhysicsShapeType) entity.PhysicsType,
                                                             Restitution = entity.Restitution
                                                         };
                i++;
            }
#endif

            OSDMap m = new OSDMap {{"message", OSD.FromString("ObjectPhysicsProperties")}};
            OSD message_body = message.Serialize();
            m.Add("body", message_body);
            return m;
        }
        /// <summary>
        /// Return a decoded capabilities message as a strongly typed object
        /// </summary>
        /// <param name="eventName">A string containing the name of the capabilities message key</param>
        /// <param name="map">An <see cref="OSDMap"/> to decode</param>
        /// <returns>A strongly typed object containing the decoded information from the capabilities message, or null
        /// if no existing Message object exists for the specified event</returns>
        public static IMessage DecodeEvent(string eventName, OSDMap map)
        {
            IMessage message = null;

            switch (eventName)
            {
                case "AgentGroupDataUpdate": message = new AgentGroupDataUpdateMessage(); break;
                case "AvatarGroupsReply": message = new AgentGroupDataUpdateMessage(); break; // OpenSim sends the above with the wrong? key
                case "ParcelProperties": message = new ParcelPropertiesMessage(); break;
                case "ParcelObjectOwnersReply": message = new ParcelObjectOwnersReplyMessage(); break;
                case "TeleportFinish": message = new TeleportFinishMessage(); break;
                case "EnableSimulator": message = new EnableSimulatorMessage(); break;
                case "ParcelPropertiesUpdate": message = new ParcelPropertiesUpdateMessage(); break;
                case "EstablishAgentCommunication": message = new EstablishAgentCommunicationMessage(); break;
                case "ChatterBoxInvitation": message = new ChatterBoxInvitationMessage(); break;
                case "ChatterBoxSessionEventReply": message = new ChatterboxSessionEventReplyMessage(); break;
                case "ChatterBoxSessionStartReply": message = new ChatterBoxSessionStartReplyMessage(); break;
                case "ChatterBoxSessionAgentListUpdates": message = new ChatterBoxSessionAgentListUpdatesMessage(); break;
                case "RequiredVoiceVersion": message = new RequiredVoiceVersionMessage(); break;
                case "MapLayer": message = new MapLayerMessage(); break;
                case "ChatSessionRequest": message = new ChatSessionRequestMessage(); break;
                case "CopyInventoryFromNotecard": message = new CopyInventoryFromNotecardMessage(); break;
                case "ProvisionVoiceAccountRequest": message = new ProvisionVoiceAccountRequestMessage(); break;
                case "Viewerstats": message = new ViewerStatsMessage(); break;
                case "UpdateAgentLanguage": message = new UpdateAgentLanguageMessage(); break;
                case "RemoteParcelRequest": message = new RemoteParcelRequestMessage(); break;
                case "UpdateScriptTask": message = new UpdateScriptTaskMessage(); break;
                case "UpdateScriptAgent": message = new UpdateScriptAgentMessage(); break;
                case "SendPostcard": message = new SendPostcardMessage(); break;
                case "UpdateGestureAgentInventory": message = new UpdateGestureAgentInventoryMessage(); break;
                case "UpdateNotecardAgentInventory": message = new UpdateNotecardAgentInventoryMessage(); break;
                case "LandStatReply": message = new LandStatReplyMessage(); break;
                case "ParcelVoiceInfoRequest": message = new ParcelVoiceInfoRequestMessage(); break;
                case "ViewerStats": message = new ViewerStatsMessage(); break;
                case "EventQueueGet": message = new EventQueueGetMessage(); break;
                case "CrossedRegion": message = new CrossedRegionMessage(); break;
                case "TeleportFailed": message = new TeleportFailedMessage(); break;
                case "PlacesReply": message = new PlacesReplyMessage(); break;
                case "UpdateAgentInformation": message = new UpdateAgentInformationMessage(); break;
                case "DirLandReply": message = new DirLandReplyMessage(); break;
                case "ScriptRunningReply": message = new ScriptRunningReplyMessage(); break;
                case "SearchStatRequest": message = new SearchStatRequestMessage(); break;
                case "AgentDropGroup": message = new AgentDropGroupMessage(); break;
                case "AgentStateUpdate": message = new AgentStateUpdateMessage(); break;
                case "ForceCloseChatterBoxSession": message = new ForceCloseChatterBoxSessionMessage(); break;
                case "UploadBakedTexture": message = new UploadBakedTextureMessage(); break;
                case "RegionInfo": message = new RegionInfoMessage(); break;
                case "ObjectMediaNavigate": message = new ObjectMediaNavigateMessage(); break;
                case "ObjectMedia": message = new ObjectMediaMessage(); break;
                case "AttachmentResources": message = AttachmentResourcesMessage.GetMessageHandler(map); break;
                case "LandResources": message = LandResourcesMessage.GetMessageHandler(map); break;
                case "GetDisplayNames": message = new GetDisplayNamesMessage(); break;
                case "SetDisplayName": message = new SetDisplayNameMessage(); break;
                case "SetDisplayNameReply": message = new SetDisplayNameReplyMessage(); break;
                case "DisplayNameUpdate": message = new DisplayNameUpdateMessage(); break;
                //case "ProductInfoRequest": message = new ProductInfoRequestMessage(); break;
                case "ObjectPhysicsProperties": message = new ObjectPhysicsPropertiesMessage(); break;
                case "BulkUpdateInventory": message = new BulkUpdateInventoryMessage(); break;
                case "RenderMaterials": message = new RenderMaterialsMessage(); break;
                case "GetObjectCost": message = GetObjectCostMessage.GetMessageHandler(map); break;

                // Capabilities TODO:
                // DispatchRegionInfo
                // EstateChangeInfo
                // EventQueueGet
                // FetchInventoryDescendents
                // GroupProposalBallot
                // MapLayerGod
                // NewFileAgentInventory
                // RequestTextureDownload
                // SearchStatTracking
                // SendUserReport
                // SendUserReportWithScreenshot
                // ServerReleaseNotes
                // StartGroupProposal
                // UpdateGestureTaskInventory
                // UpdateNotecardTaskInventory
                // ViewerStartAuction
                // UntrustedSimulatorMessage
            }

            if (message != null)
            {
                try
                {
                    message.Deserialize(map);
                    return message;
                }
                catch (Exception e)
                {
                    Logger.Log("Exception while trying to Deserialize " + eventName + ":" + e.Message + ": " + e.StackTrace, Helpers.LogLevel.Error);
                }

                return null;
            }
            else
            {
                return null;
            }
        }
        public static OSD ObjectPhysicsProperties (ISceneChildEntity[] entities)
        {
            ObjectPhysicsPropertiesMessage message = new ObjectPhysicsPropertiesMessage ();
            int i = 0;
            foreach (ISceneChildEntity entity in entities)
            {
                if (entity == null)
                    continue;
                i++;
            }

            message.ObjectPhysicsProperties = new Primitive.PhysicsProperties[i];
            i = 0;
            foreach(ISceneChildEntity entity in entities)
            {
                if (entity == null)
                    continue;
                message.ObjectPhysicsProperties[i] = new Primitive.PhysicsProperties ();
                message.ObjectPhysicsProperties[i].Density = entity.Density;
                message.ObjectPhysicsProperties[i].Friction = entity.Friction;
                message.ObjectPhysicsProperties[i].GravityMultiplier = entity.GravityMultiplier;
                message.ObjectPhysicsProperties[i].LocalID = entity.LocalId;
                message.ObjectPhysicsProperties[i].PhysicsShapeType = (PhysicsShapeType)entity.PhysicsType;
                message.ObjectPhysicsProperties[i].Restitution = entity.Restitution;
                i++;
            }

            OSDMap m = new OSDMap ();
            m.Add ("message", OSD.FromString ("ObjectPhysicsProperties"));
            OSD message_body = message.Serialize ();
            m.Add ("body", message_body);
            return m;
        }