/// <summary>
/// Handles the player's input for choosing which piece to move.
/// </summary>
public static void HandleChoice()
{
if(SwinGame.MouseClicked(MouseButton.LeftButton))
{
Grid grid = MouseToGrid ();
if (grid.Piece == null)
{
return;
}
if (_state == GameState.WhiteChoose)
{
if (grid.Piece.Player == "W")
{
_currentPiece = grid.Piece;
_state = GameState.WhiteMove;
return;
}
}
else
{
if (grid.Piece.Player == "B")
{
_currentPiece = grid.Piece;
_state = GameState.BlackMove;
return;
}
}
}
}
/// <summary>
/// Handles the player's input for moving the chosen piece.
/// </summary>
public static void HandleMovement()
{
_board.HighlightPath (_currentPiece);
_currentPiece.IsHighlighted = true;
if (SwinGame.MouseClicked (MouseButton.LeftButton))
{
Grid grid = MouseToGrid ();
string result = _currentPiece.MovePiece (grid, _board);
if (result == null)
{
if (_state == GameState.WhiteMove)
{
_board.RemovePathHighLight ();
_currentPiece.IsHighlighted = false;
_currentPiece = null;
_state = GameState.BlackChoose;
return;
}
else
{
_board.RemovePathHighLight ();
_currentPiece.IsHighlighted = false;
_currentPiece = null;
_state = GameState.WhiteChoose;
return;
}
}
}
//Removes piece selection and returns to the Choosing phase
if (SwinGame.MouseClicked (MouseButton.RightButton))
{
if (_state == GameState.WhiteMove)
{
_board.RemovePathHighLight ();
_currentPiece.IsHighlighted = false;
_currentPiece = null;
_state = GameState.WhiteChoose;
return;
}
else
{
_board.RemovePathHighLight ();
_currentPiece.IsHighlighted = false;
_currentPiece = null;
_state = GameState.BlackChoose;
return;
}
}
}
//TODO
public static bool IsMoveCompatible(ChessPiece piece, ChessPosition position)
{
return true;
}
/// <summary>
/// identifies squares between a king and the piece that has it in check that would block "check"
/// </summary>
/// <returns></returns>
List<Point> canBlockCheck_IdentifyBlockingSquares(List<Point> allAllyMoves, Point kingLocation, ChessPiece checkPiece)
{
List<Point> returnList = new List<Point>();
int directionVar = 0;
Point tempPoint = checkPiece.pieceBoardLocation;
// check piece type for the below pieces
/*
pieces who's "check" cannot be "blocked":
-knights
-pawns
*/
// compare piece location that has king in check and king location
Point checkerLocation = checkPiece.pieceBoardLocation;
// determine the direction check is coming from I.E. "diagonal up left" or just "right" (direction is from the perspective of piece putting king in check)
// check up
if(checkerLocation.Y == kingLocation.Y && checkerLocation.X > kingLocation.X)
{
directionVar = 0;
}
// check up diag right
else if (checkerLocation.Y < kingLocation.Y && checkerLocation.X > kingLocation.X)
{
directionVar = 1;
}
// check right
else if (checkerLocation.Y < kingLocation.Y && checkerLocation.X == kingLocation.X)
{
directionVar = 2;
}
// check down diag right
else if (checkerLocation.Y < kingLocation.Y && checkerLocation.X < kingLocation.X)
{
directionVar = 3;
}
// check down
else if (checkerLocation.Y == kingLocation.Y && checkerLocation.X < kingLocation.X)
{
directionVar = 4;
}
// check down diag left
else if (checkerLocation.Y > kingLocation.Y && checkerLocation.X < kingLocation.X)
{
directionVar = 5;
}
// check left
else if (checkerLocation.Y > kingLocation.Y && checkerLocation.X == kingLocation.X)
{
directionVar = 6;
}
// check up diag left
else if (checkerLocation.Y > kingLocation.Y && checkerLocation.X > kingLocation.X)
{
directionVar = 7;
}
// count from piece that has king in check back to the king
while(tempPoint != kingLocation)
{
// pass in the directionVar to determine which direction we count back to kingpiece
switch(directionVar)
{
// up
case 0:
tempPoint.X -= 1;
break;
// up diag right
case 1:
tempPoint.X -= 1;
tempPoint.Y += 1;
break;
// right
case 2:
tempPoint.Y += 1;
break;
// down diag right
case 3:
tempPoint.X += 1;
tempPoint.Y += 1;
break;
// down
case 4:
tempPoint.X += 1;
break;
// down diag left
case 5:
tempPoint.X += 1;
tempPoint.Y -= 1;
break;
// left
case 6:
tempPoint.Y -= 1;
break;
// up diag left
case 7:
tempPoint.X -= 1;
tempPoint.Y -= 1;
break;
}
// add the squares in between to a list and return them
returnList.Add(tempPoint);
}
return returnList;
}
public void placePiece(int col, int row, ChessPiece chessPiece)
{
// if the chesspiece is null don't do anything
//if (chessPiece == null)
//{
// return;
//}
// set square's image box = chessPiece's image
chessboardSquareArray[col, row].Image = chessPiece.chesspieceImage;
//center image in picturebox
chessboardSquareArray[col, row].SizeMode = PictureBoxSizeMode.CenterImage;
// set the piece's board location property to the square it is being placed
chessPiece.pieceBoardLocation = new Point(col, row);
//set Square's chessPiece property to the passed in chessPiece
chessboardSquareArray[col, row].squareChessPiece = chessPiece;
}
public void clear()
{
Piece = null;
}
//TODO
public static bool IsMoveCompatible(ChessPiece piece, ChessPosition position)
{
return(true);
}
public BoardSquare(SquareColor color)
{
Color = color;
Piece = null;
}
public BoardSquare(SquareColor color, ref ChessPiece piece)
{
Color = color;
Piece = piece;
}
public void SetBoardPiece(int row, int col, ChessPiece piece)
{
board[row, col] = piece;
}
public void addPiece(ChessPiece piece, columns column, int linha)
{
board[linha - 1, int.Parse(column.ToString())].Piece = piece;
}
public void SelectTile(int row, int col)
{
var piece = GetPiece(row, col);
selectedPiece = piece;
}
/// <summary>
/// Highlights the path possible for a chess piece.
/// </summary>
/// <param name="piece">The chess piece whose path needs to be highlighted</param>
public void HighlightPath(ChessPiece piece)
{
for (int i = 0; i < 8; i++)
{
for (int j = 0; j < 8; j++)
{
if (piece.CheckMovementRule(_grids[i,j], this))
_grids [i, j].IsHighlighted = true;
}
}
}
public ChessSquare(ChessPiece p, int row, int column)
{
m_piece = p;
m_row = row;
m_column = column;
}
public ChessSquare(ChessPiece p)
{
m_piece = p;
}
public void SetChessPiece(ChessPiece p)
{
m_piece = p;
}