private void undo(String[] cmdArray) {
if (cmdArray.length > 1) {
System.out.println("undo command takes no arguments");
return;
}
StringBuilder response = new StringBuilder();
if (!send("undo", response)) {
System.out.println(response);
return;
}
m_board.undo();
m_currentNode = m_currentNode.getFather();
printBoard();
}
private void play(Move move) {
m_board.play(move);
Node node = new Node(move);
m_currentNode.append(node);
m_currentNode = node;
}