public void makeMove(AvailableLocation al) {
int x = al.getX();
int y = al.getY();
int[] compass = al.getCompass();
placeToken(x, y, currentPlayer);
for (int i = 0; i < 8; i++) {
makeMoveHelper(x, y, i, compass[i]);
}
}
// once an empty space around a opposites players peice is found, this function
// looks for valid moves and make an entry in the valid moves array.
private void availbleLocationHelper(int x, int y) {
int compass[] = new int[8];
AvailableLocation newLoc;
// boolean e, ne, n, nw, w, sw, s, se;
// e = ne = n = nw = w = sw = s = se = true;
// Checks for board boundries
for (int i = 0; i < 8; i++) {
compass[i] = 0;
}
if (x + 1 >= size) {
// ne = e = se = false;
compass[7]--;
compass[0]--;
compass[1]--;
}
if (y - 1 < 0) {
// nw = n = ne = false;
compass[1]--;
compass[2]--;
compass[3]--;
}
if (x - 1 < 0) {
// nw = w = sw = false;
compass[3]--;
compass[4]--;
compass[5]--;
}
if (y + 1 >= size) {
// sw = s = se = false;
compass[5]--;
compass[6]--;
compass[7]--;
}
// Validation
if (compass[0] == 0) {
compass[0] = testE(x, y);
}
if (compass[1] == 0) {
compass[1] = testNE(x, y);
}
if (compass[2] == 0) {
compass[2] = testN(x, y);
}
if (compass[3] == 0) {
compass[3] = testNW(x, y);
}
if (compass[4] == 0) {
compass[4] = testW(x, y);
}
if (compass[5] == 0) {
compass[5] = testSW(x, y);
}
if (compass[6] == 0) {
compass[6] = testS(x, y);
}
if (compass[7] == 0) {
compass[7] = testSE(x, y);
}
newLoc = new AvailableLocation(x, y, compass);
if (newLoc.getCompassTotal() > 0) validLoc.add(newLoc);
}