Engine.Objects.Person.UpdateCommandQueue C# (CSharp) Method

        public void UpdateCommandQueue()
        {
            bool imm = true;

            while (imm)
            {
                if (_commandQueue.Count == 0)
                    break;

                PersonCommand c = _commandQueue.Dequeue();
                Commands command = (Commands)c.command;
                imm = c.immediate;

                if (c.script != null) {
                    PersonManager.CurrentPerson = Name;
                    c.script.Execute();
                    continue;
                }

                bool update = ((command == Commands.Animate || (int)command > 9) && !imm);

                Vector2f move = new Vector2f();
                switch (command)
                {
                    case Commands.FaceNorth:
                        Direction = "north";
                        break;
                    case Commands.FaceEast:
                        Direction = "east";
                        break;
                    case Commands.FaceSouth:
                        Direction = "south";
                        break;
                    case Commands.FaceWest:
                        Direction = "west";
                        break;
                    case Commands.MoveNorth:
                        move.Y = -Speed.Y;
                        break;
                    case Commands.MoveEast:
                        move.X = Speed.X;
                        break;
                    case Commands.MoveSouth:
                        move.Y = Speed.Y;
                        break;
                    case Commands.MoveWest:
                        move.X = -Speed.X;
                        break;
                }

                Position += move;
                if (IsObstructedAt(Position))
                {
                    Position -= move;
                }

                _revert = 0;
                _toNextDelay += (update ? 1 : 0);
                if (_toNextDelay >= _delay)
                {
                    Frame = Frame + 1;
                    _toNextDelay = 0;
                }
            }

            if (FrameRevert > 0) {
                _revert++;
                if (_revert >= FrameRevert) {
                    Frame = 0;
                    _revert = 0;
                }
            }
        }