@Override
public List<DiscreteGameState> availableStates() {
List<Position> availableMoves = board.getOpenPositions();
List<DiscreteGameState> availableStates =
new ArrayList<DiscreteGameState>(availableMoves.size());
for (Position move : availableMoves) {
TicTacToeGameState newState = new TicTacToeGameState(this);
newState.play(move.getRow(), move.getCol());
newState.switchPlayer();
availableStates.add(newState);
}
return availableStates;
}
/**
* Creates a deep copy of the given TicTacToe game state.
*
* @param other the TicTacToe game state to copy
*/
public TicTacToeGameState(TicTacToeGameState other) {
this.board = new GameBoard(other.board);
this.currentPlayer = other.getCurrentPlayer();
this.lastMove = other.lastMove;
}