public int moveLevelTwo(Symbol symbol, int row, int column) {
if (!gameBoard
.isFull()) { // check the game has finished with condition of all the boxes are filled
Status state = Status.EMPTY;
if (symbol.getStatus() == Status.CROSS) {
state = Status.RING;
} else if (symbol.getStatus() == Status.RING) {
state = Status.CROSS;
}
for (int m = 0; m < 3; m++) {
for (int n = 0; n < 3; n++) {
if (gameBoard.checkCellAvailability(m, n)) {
if (gameBoard.setSymbol(
new Symbol(state), m, n)) { // check wether other player wins at his move
gameBoard.setEmpty(row, column);
gameBoard.setEmpty(m, n);
return -10;
}
gameBoard.setEmpty(m, n);
}
}
}
}
return 0;
}
public int moveLevelThree(Symbol symbol, int row, int column) {
int ans = 0;
int win;
int tie;
boolean isWin = false;
boolean isTie = false;
Status state = Status.EMPTY;
if (!gameBoard.isFull()) {
if (symbol.getStatus() == Status.CROSS) {
state = Status.RING;
} else if (symbol.getStatus() == Status.RING) {
state = Status.CROSS;
}
for (int m = 0; m < 3; m++) {
for (int n = 0; n < 3; n++) {
if (gameBoard.checkCellAvailability(m, n)) {
if (gameBoard.setSymbol(
new Symbol(state), m, n)) { // check wether other player wins at his move
gameBoard.setEmpty(row, column);
gameBoard.setEmpty(m, n);
return -10;
} else {
win = -10;
tie = -10;
int temp;
for (int i = 0; i < 3; i++) {
for (int j = 0; j < 3; j++) {
temp = decideNext(new Symbol(symbol.getStatus()), i, j);
if (temp == 10) {
win = 10;
break;
} else if (temp == 0) {
tie = 0;
}
ans += temp;
}
}
if (win < 0 && tie < 0) {
gameBoard.setEmpty(m, n);
gameBoard.setEmpty(row, column);
return -10;
} else if (win < 0) {
isTie = true;
} else {
isWin = true;
}
}
gameBoard.setEmpty(m, n);
}
}
}
gameBoard.setEmpty(row, column);
if (isTie) {
return 0;
}
if (isWin) {
return 10;
}
}
return ans;
}