private void setHistory(ChessBoard.gameState state) // set history variables with values if turn was valid for the undo or redo feature
{
History currentHistory = new History(turn, sourceY, sourceX, destinationY, destinationX, source, destination, state);
History.Next = currentHistory;
currentHistory.Prev = History;
}
public History(bool turn, int sourceY, int sourceX, int destinationY, int destinationX, PictureBox source, PictureBox destination, ChessBoard.gameState state)
{
Turn = turn;
SourceY = sourceY;
SourceX = sourceX;
DestinationY = destinationY;
DestinationX = destinationX;
Source = source;
Destination = destination;
State = state;
}
protected bool GameState(PictureBox[][] board) // determine the game state whether its check, checkmate, stalemate or normal
{
Check check = new Check();
board[sourceY][sourceX] = null;
board[destinationY][destinationX] = source;
int[] kingCoord = PieceDetails.FindKing(board, turn);
if (check.IsChecked(board, kingCoord[0], kingCoord[1], !turn)) // determine if this is an illegal move by check
{
board[sourceY][sourceX] = source;
board[destinationY][destinationX] = destination;
return(false);
}
else
{
CurrentStatus status = new CurrentStatus();
ChessBoard.gameState state = status.TurnResult(board, turn);
if (state == ChessBoard.gameState.Check)
{
setHistory(ChessBoard.gameState.Check);
}
else if (state == ChessBoard.gameState.Checkmate)
{
setHistory(ChessBoard.gameState.Checkmate);
}
else if (state == ChessBoard.gameState.Stalemate)
{
setHistory(ChessBoard.gameState.Stalemate);
}
else
{
setHistory(ChessBoard.gameState.Normal);
}
}
return(true);
}
