/*********************************************************************
* IsCheckMate
* Loop through the board and for each piece we check if they can kill
* the king if they can we end and return true.
*********************************************************************/
public bool IsCheckMate()
{
for (int r = 0; r < 8; r++)
{
for (int c = 0; c < 8; c++)
{
Piece piece = board[r, c].GetPiece();
if (piece != null && piece.GetTeam() != turn && piece.GetPieceType() == "King")
{
Piece king = board[r, c].GetPiece();
Piece killer = null;
king.CalcPossMoves(board);
bool Check = false;
int checkCount = 0;
int vulnerableChecks = 0;
if (IsCheck(r, c, ref killer))
{
Check = true;
checkCount++;
if (IsKillable(killer.GetRow(), killer.GetColumn(), turn))
{
vulnerableChecks++;
}
}
if (Check)
{
for (int i = 0; i < king.GetPossMoves().Count; i++)
{
if (IsCheck(king.GetPossMoves()[i].row, king.GetPossMoves()[i].col, ref killer))
{
checkCount++;
if (IsKillable(killer.GetRow(), killer.GetColumn(), turn))
{
vulnerableChecks++;
}
}
}
}
if (checkCount > 0 && checkCount == king.GetPossMoves().Count)
{
checkText.Text = "CHECKMATE";
return(true);
}
else if (checkCount == 0 || checkCount == vulnerableChecks)
{
checkText.Text = "";
}
else if (Check)
{
MessageBox.Show("king is checked");
checkText.Text = "CHECK";
}
}
}
}
return(false);
}
/*********************************************************************
* ButtonClick
* Handles the button click for each space of the board
*********************************************************************/
public void ButtonClick(object sender, MouseEventArgs e)
{
Space thisButton = ((Space)sender);
//MessageBox.Show(whiteTeam[0].GetRow().ToString() + " " + whiteTeam[0].GetColumn().ToString());
if (!gameOver)
{
// Check if it was a right mouse click
if (e.Button == MouseButtons.Right)
{
// if this was the selected space then we unselect it
if (selected != null && thisButton.GetPiece() == selected)
{
selected = null;
thisButton.ForeColor = thisButton.GetPiece().GetTextColor();
ClearPossible();
return;
}
}
// left mouse click
else
{
// if there isn't a piece selected
if (selected == null)
{
// if the place we just clicked on has a piece there
if (thisButton.GetPiece() != null)
{
// if the piece is on our team
if (turn == thisButton.GetPiece().GetTeam())
{
// set this piece as the selected one
selected = thisButton.GetPiece();
if (e.Button == MouseButtons.Right)
{
}
else
{
// calculate all the spots this piece could move to
selected.CalcPossMoves(board);
// if it can't move then we unselect it
if (selected.GetPossMoves().Count == 0)
{
selected = null;
}
// we set the text color to yellow to show which piece is selected
else
{
thisButton.ForeColor = Color.Yellow;
ShowPossibleMoves();
}
}
}
}
}
// if we already had a selected piece
else
{
int row = thisButton.GetRow();
int col = thisButton.GetCol();
// if the selected piece can be moved here then we move it
if (IsPossible(row, col))
{
int fromRow = selected.GetRow();
int fromCol = selected.GetColumn();
MoveTo(fromRow, fromCol, row, col);
ClearPossible();
gameOver = IsCheckMate();
SwitchTurn();
}
}
}
}
}
