/// <summary>
        /// Handles operation MoveInterestArea: Moves one of the actor's InterestArea.
        /// </summary>
        public OperationResponse OperationMoveInterestArea(PeerBase peer, OperationRequest request)
        {
            var operation = new MoveInterestArea(peer.Protocol, request);

            if (!operation.IsValid)
            {
                return(new OperationResponse(request.OperationCode)
                {
                    ReturnCode = (int)ReturnCode.InvalidOperationParameter, DebugMessage = operation.GetErrorMessage()
                });
            }

            operation.OnStart();
            InterestArea interestArea;

            if (this.TryGetInterestArea(operation.InterestAreaId, out interestArea))
            {
                lock (interestArea.SyncRoot)
                {
                    interestArea.Position = operation.Position;
                    interestArea.UpdateInterestManagement();
                }

                // don't send response
                return(null);
            }

            return(operation.GetOperationResponse((int)ReturnCode.InterestAreaNotFound, "InterestAreaNotFound"));
        }
        public override OperationResponse Handle(MmoActor actor, OperationRequest request, SendParameters sendParameters)
        {
            var operation = new MoveInterestArea(actor.Peer.Protocol, request);

            if (!operation.IsValid)
            {
                return(new OperationResponse(request.OperationCode)
                {
                    ReturnCode = (int)ReturnCode.InvalidOperationParameter, DebugMessage = operation.GetErrorMessage()
                });
            }

            operation.OnStart();
            InterestArea interestArea;

            if (actor.TryGetInterestArea(operation.InterestAreaId, out interestArea))
            {
                lock (interestArea.SyncRoot) {
                    interestArea.Position = operation.Position.ToVector(true);
                    interestArea.UpdateInterestManagement();
                }

                // don't send response
                return(null);
            }

            return(operation.GetOperationResponse((int)ReturnCode.InterestAreaNotFound, "InterestAreaNotFound"));
        }