/// <summary>
/// Gets the minimax clone.
/// </summary>
/// <returns>
/// A clone to be used in the minimax algoritm
/// </returns>
public object GetMinimaxClone()
{
CheckersSquareUserControl clone = new CheckersSquareUserControl();
clone.CheckersPoint = (CheckersPoint)this.CheckersPoint.GetMinimaxClone();
return(clone);
}
/// <summary>
/// Method runs each time a checker button is clicked. This is for user control
/// </summary>
/// <param name="sender">Button sender.</param>
private void ButtonClickWork(object sender)
{
Button button = (Button)sender;
CheckersSquareUserControl checkerSquareUC = (CheckersSquareUserControl)((Grid)button.Parent).Parent;
Logger.Info("Row: " + checkerSquareUC.CheckersPoint.Row + " Column: " + checkerSquareUC.CheckersPoint.Column);
DisableAllButtons();
if (currentMove == null)
{
currentMove = new CheckersMove();
}
if (currentMove.SourcePoint == null)
{
currentMove.SourcePoint = checkerSquareUC.CheckersPoint;
SetBackgroundColor(checkerSquareUC, Brushes.Green);
//starting a move, enable spaces where a valid move is present
currentAvailableMoves = checkerSquareUC.CheckersPoint.GetPossibleMoves(checkerBoard);
//Add self move to act as cancel
currentAvailableMoves.Add(new CheckersMove(checkerSquareUC.CheckersPoint, checkerSquareUC.CheckersPoint));
ColorBackgroundOfPoints(currentAvailableMoves, Brushes.Aqua);
EnableButtonsWithPossibleMove(currentAvailableMoves);
}
else
{
currentMove.DestinationPoint = checkerSquareUC.CheckersPoint;
SetBackgroundColor(checkerSquareUC, Brushes.Green);
//get move from the list that has this point as its destination
MakeMoveReturnModel returnModel = MakeMove(GetMoveFromList(checkerSquareUC.CheckersPoint));
if (returnModel.WasMoveMade && returnModel.IsTurnOver && Settings.IsAIGame)
{
//Disable buttons so the user cant click anything while the AI is thinking
DisableAllButtons();
//AI needs to make a move now
CheckersMove aiMove = AIController.MinimaxStart(checkerBoard);
if (aiMove != null)
{
while (aiMove != null)
{
MakeMove(aiMove);
aiMove = aiMove.NextMove;
Thread.Sleep(Settings.TimeToSleeepBetweenMoves);
}
}
else
{
//AI could not find a valid move. Is the game over? are we in a dead lock?
//Show error to user
}
}
}
}
/// <summary>
/// Makes the move on the board.
/// </summary>
/// <param name="moveToMake">The move to make.</param>
/// <param name="swapTurn">if set to <c>true</c> [swap turn].</param>
/// <returns>true if the current turn was finished</returns>
public bool MakeMoveOnBoard(CheckersMove moveToMake, bool swapTurn)
{
CheckersPoint moveSource = moveToMake.SourcePoint;
CheckersPoint moveDestination = moveToMake.DestinationPoint;
//was this a cancel?
if (moveSource != moveDestination)
{
CheckersPoint realDestination = this.BoardArray[moveDestination.Row][moveDestination.Column].CheckersPoint;
CheckersPoint realSource = this.BoardArray[moveSource.Row][moveSource.Column].CheckersPoint;
realDestination.Checker = (CheckerPiece)realSource.Checker.GetMinimaxClone();
realSource.Checker = CheckerPieceFactory.GetCheckerPiece(CheckerPieceType.nullPiece);
//was this a jump move?
CheckersPoint jumpedPoint = moveToMake.JumpedPoint;
if (jumpedPoint != null)
{
//delete the checker piece that was jumped
CheckersSquareUserControl jumpedSquareUserControl = this.BoardArray[jumpedPoint.Row][jumpedPoint.Column];
jumpedSquareUserControl.CheckersPoint.Checker = CheckerPieceFactory.GetCheckerPiece(CheckerPieceType.nullPiece);
jumpedSquareUserControl.UpdateSquare();
}
//Is this piece a king now?
if (!(realDestination.Checker is KingCheckerPiece) &&
(realDestination.Row == 7 || realDestination.Row == 0))
{
//Should be a king now
if (realDestination.Checker is IRedPiece)
{
realDestination.Checker = new RedKingCheckerPiece();
}
else
{
realDestination.Checker = new BlackKingCheckerPiece();
}
}
//Is this players turn over?
if (moveToMake.NextMove == null && swapTurn)
{
//Swap the current players turn
SwapTurns();
return(true);
}
else
{
return(false);
}
}
return(false);
}
/// <summary>
/// Enables the buttons with a valid move.
/// </summary>
private void EnableButtonsWithMove()
{
List <CheckersMove> totalPossibleMoves = checkerBoard.GetMovesForPlayer();
foreach (CheckersMove move in totalPossibleMoves)
{
CheckersPoint source = move.SourcePoint;
int col = source.Column;
int row = source.Row;
CheckersSquareUserControl sourceUserControl = checkerBoard.BoardArray[row][col];
Application.Current.Dispatcher.BeginInvoke(
DispatcherPriority.Background,
new Action(() => sourceUserControl.button.IsEnabled = true));
}
}
/// <summary>
/// Makes a move on the User Interface.
/// </summary>
/// <param name="moveToMake">The move to make.</param>
/// <returns>Make Move Model Return. This model has two boolean properties that represent what happened this move</returns>
private MakeMoveReturnModel MakeMove(CheckersMove moveToMake)
{
bool moveWasMade = false;
bool isTurnOver = false;
CheckersPoint source = moveToMake.SourcePoint;
CheckersPoint destination = moveToMake.DestinationPoint;
Logger.Info("Piece1 " + source.Row + ", " + source.Column);
Logger.Info("Piece2 " + destination.Row + ", " + destination.Column);
//was this a cancel?
if (source != destination)
{
isTurnOver = checkerBoard.MakeMoveOnBoard(moveToMake);
CheckersSquareUserControl sourceUC = checkerBoard.BoardArray[source.Row][source.Column];
CheckersSquareUserControl destUC = checkerBoard.BoardArray[destination.Row][destination.Column];
//Use dispatcher to run the Update method on the UI thread
sourceUC.UpdateSquare();
destUC.UpdateSquare();
moveWasMade = true;
//check for a winner
object winner = checkerBoard.GetWinner();
if (winner != null && winner is PlayerColor winnerColor && !Settings.RunningGeneticAlgo)
{
MessageBox.Show("Winner Winner Chicken Dinner: " + winnerColor);
}
}
ColorBackgroundOfPoints(currentAvailableMoves, Brushes.Black);
SetTitle(string.Format("Checkers! {0}'s turn!", checkerBoard.CurrentPlayerTurn));
EnableButtonsWithMove();
currentMove = null;
return(new MakeMoveReturnModel()
{
IsTurnOver = isTurnOver,
WasMoveMade = moveWasMade
});
}
/// <summary>
/// Makes the board.
/// </summary>
/// <param name="routedEventHandler">The routed event handler.</param>
public void MakeBoard(RoutedEventHandler routedEventHandler)
{
int count = 0;
for (int row = 0; row < 8; row++)
{
BoardArray.Add(new List <CheckersSquareUserControl>());
for (int column = 0; column < 8; column++)
{
CheckersSquareUserControl checkerSquareUC;
if (row % 2 == 0)
{
if (column % 2 == 0)
{
checkerSquareUC = new CheckersSquareUserControl(
Brushes.White,
new CheckersPoint(row, column, CheckerPieceType.nullPiece),
routedEventHandler);
}
else
{
if (row < 3)
{
checkerSquareUC = new CheckersSquareUserControl(
Brushes.Black,
new CheckersPoint(row, column, CheckerPieceType.BlackPawn),
routedEventHandler);
}
else if (row > 4)
{
checkerSquareUC = new CheckersSquareUserControl(
Brushes.Black,
new CheckersPoint(row, column, CheckerPieceType.RedPawn),
routedEventHandler);
}
else
{
checkerSquareUC = new CheckersSquareUserControl(
Brushes.Black,
new CheckersPoint(row, column, CheckerPieceType.nullPiece),
routedEventHandler);
}
}
}
else
{
if (column % 2 == 0)
{
if (row < 3)
{
checkerSquareUC = new CheckersSquareUserControl(
Brushes.Black,
new CheckersPoint(row, column, CheckerPieceType.BlackPawn),
routedEventHandler);
}
else if (row > 4)
{
checkerSquareUC = new CheckersSquareUserControl(
Brushes.Black,
new CheckersPoint(row, column, CheckerPieceType.RedPawn),
routedEventHandler);
}
else
{
//empty middle spot
checkerSquareUC = new CheckersSquareUserControl(
Brushes.Black,
new CheckersPoint(row, column, CheckerPieceType.nullPiece),
routedEventHandler);
}
}
else
{
checkerSquareUC = new CheckersSquareUserControl(
Brushes.White,
new CheckersPoint(row, column, CheckerPieceType.nullPiece),
routedEventHandler);
}
}
count++;
BoardArray[row].Add(checkerSquareUC);
}
}
}