AcManager.Controls.ViewModels.RaceGridViewModel.UpdatePlayerEntry C# (CSharp) Method

        private void UpdatePlayerEntry() {
            if (_playerCar != _playerEntry?.Car) {
                if (_playerEntry != null) {
                    NonfilteredList.Remove(_playerEntry);
                    _playerEntry = null;
                }

                if (Mode != BuiltInGridMode.Custom || IgnoreStartingPosition) return;
                _playerEntry = _playerCar == null ? null : new RaceGridPlayerEntry(_playerCar);
            }

            if (_playerEntry == null) return;
            if (Mode == BuiltInGridMode.Custom) {
                var index = NonfilteredList.IndexOf(_playerEntry);
                var pos = StartingPosition - 1;

                if (index == -1) {
                    if (pos > NonfilteredList.Count) {
                        NonfilteredList.Add(_playerEntry);
                    } else if (pos >= 0) {
                        NonfilteredList.Insert(pos, _playerEntry);
                    }
                } else {
                    if (pos < 0) {
                        NonfilteredList.RemoveAt(index);
                    } else if (pos != index) {
                        NonfilteredList.Move(index, pos);
                    }
                }
            } else if (NonfilteredList.Contains(_playerEntry)) {
                NonfilteredList.Remove(_playerEntry);
                _playerEntry = null;
            }
        }