private void MoveCheckerToNewPlace(CheckerElementViewModel currentPositionElementViewModel, CheckerElementViewModel emptyPosition, PlayerViewModel playerViewModel)
{
_game.ResetHistoryIfNeeded(CurrentHistoryPosition);
CurrentHistoryPosition++;
playerViewModel.MoveCheckerToNewPlace(currentPositionElementViewModel);
_game.MoveChecker(currentPositionElementViewModel.CheckerModel, emptyPosition.CheckerModel);
_playerOne.ReSetPossibleMovements(_emptyCellsPlayerViewModel.PlayerPositions.ToList());
_playerTwo.ReSetPossibleMovements(_emptyCellsPlayerViewModel.PlayerPositions.ToList());
}
public MoveValidationManager(CheckerElementViewModel oldSelectedElementViewModel
, CheckerElementViewModel newSelectedElementViewModel
, Side nextMoveSide
, PlayerViewModel player
, GameViewModel gameViewModel)
{
_oldSelectedElementViewModel = oldSelectedElementViewModel;
_newSelectedElementViewModel = newSelectedElementViewModel;
_nextMoveSide = nextMoveSide;
_player = player;
_gameViewModel = gameViewModel;
}
public MoveValidationResult GetMoveValidationResult()
{
IEnumerable <LinkedList <CheckerModel> > availablePathsModels = _player.GetAvailablePaths();
var availablePaths = new List <LinkedList <CheckerElementViewModel> >();
foreach (LinkedList <CheckerModel> playerAvailablePath in availablePathsModels)
{
var checkersLinkedList = new LinkedList <CheckerElementViewModel>();
foreach (var checkerModel in playerAvailablePath)
{
CheckerElementViewModel foundCheckerViewModel = _gameViewModel.FindChecker(checkerModel.Column, checkerModel.Row);
checkersLinkedList.AddLast(foundCheckerViewModel);
}
availablePaths.Add(checkersLinkedList);
}
if (availablePaths.Any() && (_oldSelectedElementViewModel == null || _oldSelectedElementViewModel.Side == _newSelectedElementViewModel.Side) && availablePaths.All(x => x.First.Value != _newSelectedElementViewModel))
{
return(new MoveValidationResult(MoveValidationStatus.Error, "You have required move by other checker"));
}
if (_oldSelectedElementViewModel == null)
{
return(new MoveValidationResult(MoveValidationStatus.NewItemSelected));
}
if (_oldSelectedElementViewModel == _newSelectedElementViewModel && availablePaths.Any(x => x.Last.Value == _newSelectedElementViewModel))
{
return(new MoveValidationResult(MoveValidationStatus.Ok));
}
if (_oldSelectedElementViewModel == _newSelectedElementViewModel)
{
return(new MoveValidationResult(MoveValidationStatus.DeselectChecker));
}
if (_oldSelectedElementViewModel.Side == _newSelectedElementViewModel.Side)
{
return(new MoveValidationResult(MoveValidationStatus.NewItemSelected));
}
if (_oldSelectedElementViewModel != null && !_oldSelectedElementViewModel.CanMoveToPosition(_newSelectedElementViewModel))
{
return(new MoveValidationResult(MoveValidationStatus.Error, "Can't move checker to this place"));
}
return(new MoveValidationResult(MoveValidationStatus.Ok));
}
private void MakeMoveBySecondUser(CancellationToken token)
{
KeyValuePair <CheckerModel, CheckerModel> move = _playerTwo.GetOptimalMove(this, token);
IsCalculatingMove = true;
if (move.Value != null)
{
Application.Current.Dispatcher.BeginInvoke(DispatcherPriority.Normal, (ThreadStart)(
() =>
{
CheckerElementViewModel fromChecker = FindChecker(move.Key.Column, move.Key.Row);
CheckerElementViewModel toPlace = FindChecker(move.Value.Column, move.Value.Row);
_selectedChecker = fromChecker;
MoveChecker(toPlace);
}));
}
}
private void MoveChecker(CheckerElementViewModel newSelectedChecker)
{
if (_game.IsGameFinished)
{
ShowNotificationMessage("Game is over!");
return;
}
var validationManager = new MoveValidationManager(_selectedChecker
, newSelectedChecker
, NextMoveSide
, NextMovePlayer
, this);
MoveValidationResult preValidationMoveValidationResult = validationManager.GetPreValidationResult();
if (preValidationMoveValidationResult.Status == MoveValidationStatus.Error)
{
ShowNotificationMessage(preValidationMoveValidationResult.ErrorMessage);
return;
}
if (preValidationMoveValidationResult.Status == MoveValidationStatus.NothingSelected)
{
return;
}
bool makeMoveStatus = IsCheckerMoved(newSelectedChecker, NextMovePlayer);
if (makeMoveStatus == false)
{
return;
}
if (!_game.IsGameFinished)
{
WaitMove();
return;
}
WinnerSide = _game.GetWinnerSide();
RaisePropertyChangedEvent(nameof(CurrentGameStatus));
RaisePropertyChangedEvent(nameof(IsCheckersMovable));
ShowNotificationMessage(CurrentGameStatus);
}
private bool IsCheckerMoved(CheckerElementViewModel newSelectedChecker, PlayerViewModel player)
{
var moveValidationManager = new MoveValidationManager(_selectedChecker
, newSelectedChecker
, NextMoveSide
, player
, this);
MoveValidationResult validationResult = moveValidationManager.GetMoveValidationResult();
if (validationResult.Status == MoveValidationStatus.NewItemSelected)
{
if (_selectedChecker != null)
{
_selectedChecker.IsSelected = false;
_selectedChecker.DeSelectPossibleMovement();
}
_selectedChecker = newSelectedChecker;
_selectedChecker.IsSelected = true;
_selectedChecker.SelectPossibleMovement();
return(false);
}
if (validationResult.Status == MoveValidationStatus.DeselectChecker)
{
_selectedChecker.IsSelected = false;
_selectedChecker.DeSelectPossibleMovement();
_selectedChecker = null;
return(false);
}
if (validationResult.Status == MoveValidationStatus.Error)
{
ShowNotificationMessage(validationResult.ErrorMessage);
return(false);
}
MoveCheckerToNewPlace(_selectedChecker, newSelectedChecker, player);
_selectedChecker.IsSelected = false;
_selectedChecker = null;
return(true);
}
private void OnDataChanged(List <CheckerModel> added, List <CheckerModel> deleted, List <CheckerModel> modified)
{
foreach (CheckerModel checkerModel in added)
{
CheckerElementViewModel elementViewModel = new CheckerElementViewModel(checkerModel, new List <CheckerElementViewModel>());
PlayerPositions.Add(elementViewModel);
}
foreach (var checkerModel in deleted)
{
CheckerElementViewModel toDelete = PlayerPositions.Single(x => x.Column == checkerModel.Column && x.Row == checkerModel.Row);
PlayerPositions.Remove(toDelete);
}
foreach (CheckerModel modifiedElement in modified)
{
CheckerElementViewModel viewModel = PlayerPositions.Single(x => x.Column == modifiedElement.Column && x.Row == modifiedElement.Row);
if (viewModel.Type != modifiedElement.Type)
{
viewModel.Type = modifiedElement.Type;
}
}
}
public void MoveCheckerToNewPlace(CheckerElementViewModel checker)
{
CheckerElementViewModel existingPlayerChecker = PlayerPositions.Single(x => x == checker);
existingPlayerChecker.DeSelectPossibleMovement();
}
public bool CanMoveToPosition(CheckerElementViewModel elementViewModel)
{
return(PossibleMovementElements.Contains(elementViewModel));
}