private int getMinesNear(Point position) {
int result = 0;
for (Direction direction : Direction.values()) {
Point newPosition = direction.change(position.copy());
if (cells.contains(newPosition) && getMines().contains(newPosition)) {
result++;
}
}
return result;
}
@Override
public List<Point> getFreeCells() {
List<Point> result = new LinkedList<Point>();
for (Point cell : getCells()) {
boolean isSapper = cell.equals(getSapper());
boolean isBoard =
cell.getX() == 0
|| cell.getY() == 0
|| cell.getX() == size.getValue() - 1
|| cell.getY() == size.getValue() - 1; // TODO test me
boolean isMine = isMine(cell);
if (!isSapper && !isMine && !isBoard) {
result.add(cell);
}
}
return result;
}
@Override
public boolean isSapper(Point pt) {
return pt.equals(getSapper());
}