protected override void ClientWrite(VRage.Library.Collections.BitStream stream)
        {
            base.ClientWrite(stream);

            MyShipController controller = MySession.Static.ControlledEntity as MyShipController;
            stream.WriteBool(m_grid != null && controller != null);
            if (m_grid != null && controller != null)
            {
                stream.WriteBool(m_grid.IsStatic);
                if (m_grid.IsStatic == false)
                {
                  
                    stream.WriteBool(controller != null);
                    if (controller != null)
                    {
                        stream.WriteInt64(controller.EntityId);

                        Vector2 rotation = controller.RotationIndicator;
                        stream.WriteFloat(rotation.X);
                        stream.WriteFloat(rotation.Y);

                        stream.WriteHalf(controller.RollIndicator);

                        Vector3 position = controller.MoveIndicator;
                        stream.WriteHalf(position.X);
                        stream.WriteHalf(position.Y);
                        stream.WriteHalf(position.Z);
                    }
                }
            }

        }
        protected override void ClientWrite(VRage.Library.Collections.BitStream stream,EndpointId forClient, uint timestamp, int maxBitPosition)
        {
            base.ClientWrite(stream,forClient,timestamp,maxBitPosition);

            MyShipController controller = MySession.Static.ControlledEntity as MyShipController;
            stream.WriteBool(m_grid != null && controller != null);
            if (m_grid != null && controller != null)
            {
                stream.WriteBool(m_grid.IsStatic);
                if (m_grid.IsStatic == false)
                {              
                    stream.WriteBool(controller != null);
                    if (controller != null)
                    {
                        stream.WriteInt64(controller.EntityId);

                        Vector2 rotation = controller.RotationIndicator;
                        stream.WriteFloat(rotation.X);
                        stream.WriteFloat(rotation.Y);

                        stream.WriteHalf(controller.RollIndicator);

                        Vector3 position = controller.MoveIndicator;
                        stream.WriteHalf(position.X);
                        stream.WriteHalf(position.Y);
                        stream.WriteHalf(position.Z);

                        Vector3D gridPosition = m_grid.PositionComp.GetPosition();
                        MyGridPhysicsStateGroup.WriteSubgrids(m_grid, stream, ref forClient, timestamp, maxBitPosition, m_lowPositionOrientation, ref gridPosition, ref m_currentSentPosition);
                    }
                }
            }

        }
        protected override void ClientWrite(VRage.Library.Collections.BitStream stream, EndpointId forClient, uint timestamp, int maxBitPosition)
        {
            base.ClientWrite(stream, forClient,timestamp,maxBitPosition);

            stream.WriteBool(m_character != null);
            if (m_character != null)
            {

                stream.WriteBool(m_supportPhysics != null);
                if (m_supportPhysics != null)
                {
                    stream.WriteInt64(m_supportPhysics.Entity.EntityId);
                    stream.Write(m_supportPhysics.Entity.PositionComp.GetPosition());
                }
                
                Vector3 position = m_character.MoveIndicator;
                stream.WriteHalf(position.X);
                stream.WriteHalf(position.Y);
                stream.WriteHalf(position.Z);

                Vector2 rotate = m_character.RotationIndicator;
                stream.WriteFloat(rotate.X);
                stream.WriteFloat(rotate.Y);

                stream.WriteFloat(m_character.RollIndicator);

                // Movement state, 2B
                stream.WriteUInt16((ushort)m_character.GetNetworkMovementState());
                // Movement flag.
                stream.WriteUInt16((ushort)m_character.PreviousMovementFlags);

                // Flags, 6 bits
                bool hasJetpack = m_character.JetpackComp != null;
                stream.WriteBool(hasJetpack ? m_character.JetpackComp.TurnedOn : false);
                stream.WriteBool(hasJetpack ? m_character.JetpackComp.DampenersTurnedOn : false);
                stream.WriteBool(m_character.LightEnabled); // TODO: Remove
                stream.WriteBool(m_character.ZoomMode == MyZoomModeEnum.IronSight);
                stream.WriteBool(m_character.RadioBroadcaster.WantsToBeEnabled); // TODO: Remove
                stream.WriteBool(m_character.TargetFromCamera);
                stream.WriteFloat(m_character.HeadLocalXAngle);
                stream.WriteFloat(m_character.HeadLocalYAngle);
            }        
           
        }
        protected override void ClientWrite(VRage.Library.Collections.BitStream stream)
        {
                 
            base.ClientWrite(stream);

            stream.WriteBool(m_character != null);
            if (m_character != null)
            {
                var physGroup = MyExternalReplicable.FindByObject(m_character).FindStateGroup<MyCharacterPhysicsStateGroup>();
                long? supportId = null;
                if (physGroup != null)
                {
                    physGroup.SetSupport(physGroup.FindSupportDelegate());
                    supportId = physGroup.GetSupportId();
                }

                stream.WriteBool(supportId.HasValue);
                if (supportId.HasValue)
                {
                    stream.WriteInt64(supportId.Value);
                }

                Vector3 position = m_character.MoveIndicator;
                stream.WriteHalf(position.X);
                stream.WriteHalf(position.Y);
                stream.WriteHalf(position.Z);

                Vector2 rotate = m_character.RotationIndicator;
                stream.WriteFloat(rotate.X);
                stream.WriteFloat(rotate.Y);

                stream.WriteFloat(m_character.RollIndicator);

                // Movement state, 2B
                stream.WriteUInt16((ushort)m_character.GetNetworkMovementState());
                // Movement flag.
                stream.WriteUInt16((ushort)m_character.PreviousMovementFlags);

                // Flags, 6 bits
                bool hasJetpack = m_character.JetpackComp != null;
                stream.WriteBool(hasJetpack ? m_character.JetpackComp.TurnedOn : false);
                stream.WriteBool(hasJetpack ? m_character.JetpackComp.DampenersTurnedOn : false);
                stream.WriteBool(m_character.LightEnabled); // TODO: Remove
                stream.WriteBool(m_character.ZoomMode == MyZoomModeEnum.IronSight);
                stream.WriteBool(m_character.RadioBroadcaster.WantsToBeEnabled); // TODO: Remove
                stream.WriteBool(m_character.TargetFromCamera);
                stream.WriteFloat(m_character.HeadLocalXAngle);
                stream.WriteFloat(m_character.HeadLocalYAngle);

                if ((hasJetpack && m_character.JetpackComp.TurnedOn) == false)
                {
                    MatrixD matrix = m_character.WorldMatrix;
                    stream.WriteQuaternionNorm(Quaternion.CreateFromForwardUp(matrix.Forward, matrix.Up));
                }
            }        
           
        }