private void UnSelectPiece()
{
squaresMovableTo = null;
selectedPiece = null;
}
private void GetSelectedPiece(XNAGameBoardPostion selectedSquare)
{
if (gameBoard.IsPieceInThisSquare(selectedSquare.GameBoardSpace.X, selectedSquare.GameBoardSpace.Y))
selectedPiece = gameBoard.GameBoardSpaces[selectedSquare.GameBoardSpace.X, selectedSquare.GameBoardSpace.Y];
}
private void HighLightPossibleMoves(DraughtPiece selectedPiece, PlayerColours colour)
{
List<GamePieceMove> moves;
squaresMovableTo = new List<Rectangle>();
moves = gameBoard.GetAllPossibleMovesForThisPiece(selectedPiece);
foreach (GamePieceMove move in moves)
{
Rectangle rect = xnaGameBoard.BoardSpaces[move.NewHorizontalPostion, move.NewVerticalPostion];
squaresMovableTo.Add(rect);
}
}
private void SetTheGameBoard()
{
gameBoardSpaces = new DraughtPiece[GAMEBOARDWIDTH, GAMEBOARDHEIGHT];
for (int i = 0; i <= GAMEBOARDWIDTH - 1; i++)
for (int j = 0; j <= GAMEBOARDHEIGHT - 1; j++)
{
if ((i == 0 || i == 2) && j % 2 == 0)
gameBoardSpaces[i, j] = new DraughtPiece(PlayerColours.White,i,j);
else if (i == 1 && j % 2 != 0)
gameBoardSpaces[i, j] = new DraughtPiece(PlayerColours.White, i, j);
else if ((i == 5 || i == 7) && j % 2 != 0)
gameBoardSpaces[i, j] = new DraughtPiece(PlayerColours.Black, i, j);
else if (i == 6 && j % 2 == 0)
gameBoardSpaces[i, j] = new DraughtPiece(PlayerColours.Black, i, j);
else
gameBoardSpaces[i, j] = null;
}
}
public List<GamePieceMove> GetAllPossibleJumpsForThisPiece(DraughtPiece piece)
{
List<GamePieceMove> jumps = new List<GamePieceMove>();
GamePieceMove jump;
jump = new GamePieceMove(piece, piece.HorizontalPostion - 2, piece.VerticalPostion - 2);
if (IsMoveLegal(jump))
jumps.Add(jump);
jump = new GamePieceMove(piece, piece.HorizontalPostion - 2, piece.VerticalPostion + 2);
if (IsMoveLegal(jump))
jumps.Add(jump);
jump = new GamePieceMove(piece, piece.HorizontalPostion + 2, piece.VerticalPostion - 2);
if (IsMoveLegal(jump))
jumps.Add(jump);
jump = new GamePieceMove(piece, piece.HorizontalPostion + 2, piece.VerticalPostion + 2);
if (IsMoveLegal(jump))
jumps.Add(jump);
return jumps;
}
private Boolean IsPieceToBeCrowned(DraughtPiece piece)
{
const int BLACKSIDEOFBOARD = 7;
const int WHITESIDEOFBOARD = 0;
if (piece.PieceColour == PlayerColours.White)
if (piece.HorizontalPostion == BLACKSIDEOFBOARD)
return true;
else
return false;
else
if (piece.HorizontalPostion == WHITESIDEOFBOARD)
return true;
else
return false;
}
private Boolean IsOpponentToTheTopRight(DraughtPiece piece)
{
if (gameBoardSpaces[piece.HorizontalPostion + 1, piece.VerticalPostion - 1] != null)
{
if (gameBoardSpaces[piece.HorizontalPostion + 1, piece.VerticalPostion - 1].PieceColour
== GetOpponentColour(piece.PieceColour))
return true;
else
return false;
}
else
return false;
}
public Boolean IsMovablePieceSelected(DraughtPiece selectedPiece, PlayerColours colour)
{
bool allMovesFound = true;
List<GamePieceMove> allPossibleMove = GetAllPossibleMoves(colour);
List<GamePieceMove> allPossibleMoveForThisPiece = GetAllPossibleMovesForThisPiece(selectedPiece);
foreach (GamePieceMove move in allPossibleMoveForThisPiece)
{
if (!allPossibleMove.Contains(move))
allMovesFound = false;
}
return allMovesFound;
}
public List<GamePieceMove> GetAllPossibleNormalMovesForThisPiece(DraughtPiece piece)
{
List<GamePieceMove> moves = new List<GamePieceMove>();
GamePieceMove move;
move = new GamePieceMove(piece, piece.HorizontalPostion - 1, piece.VerticalPostion - 1);
if (IsMoveLegal(move))
moves.Add(move);
move = new GamePieceMove(piece, piece.HorizontalPostion - 1, piece.VerticalPostion + 1);
if (IsMoveLegal(move))
moves.Add(move);
move = new GamePieceMove(piece, piece.HorizontalPostion + 1, piece.VerticalPostion - 1);
if (IsMoveLegal(move))
moves.Add(move);
move = new GamePieceMove(piece, piece.HorizontalPostion + 1, piece.VerticalPostion + 1);
if (IsMoveLegal(move))
moves.Add(move);
return moves;
}
public List<GamePieceMove> GetAllPossibleMovesForThisPiece(DraughtPiece piece)
{
List<GamePieceMove> allPossibleMovesForThisPiece = new List<GamePieceMove>();
allPossibleMovesForThisPiece.AddRange(GetAllPossibleJumpsForThisPiece(piece));
if (forcedJumpsOn && allPossibleMovesForThisPiece.Count == 0)
allPossibleMovesForThisPiece.AddRange(GetAllPossibleNormalMovesForThisPiece(piece));
else if (!forcedJumpsOn)
allPossibleMovesForThisPiece.AddRange(GetAllPossibleNormalMovesForThisPiece(piece));
return allPossibleMovesForThisPiece;
}
