deepCopy method
Returns a deep copy of the current ChessBoardInterface instance.
Implementation
ChessBoardInterface deepCopy() {
ChessBoardInterface newBoard = ChessBoardInterface(fen: fen);
for (int row = 0; row < 8; row++) {
for (int col = 0; col < 8; col++) {
newBoard.board[row][col] = board[row][col];
}
}
newBoard.turn = turn;
newBoard.enPassantTarget = enPassantTarget;
newBoard.history = List.from(history);
newBoard.redoHistory = List.from(redoHistory);
return newBoard;
}