@Override
public void useMineDetectorToGivenDirection(Direction direction) {
final Point result = getCellPossiblePosition(direction);
if (cells.contains(result)) {
if (sapper.isEmptyCharge()) {
return;
}
if (isFlag.contains(result)) {
return;
}
sapper.tryToUseDetector(
new DetectorAction() {
@Override
public void used() {
isFlag.add(result);
if (getMines().contains(result)) {
removeMine(result);
} else {
fire(MinesweeperEvents.FORGET_CHARGE);
}
}
});
if (isEmptyDetectorButPresentMines()) {
openAllBoard();
fire(MinesweeperEvents.NO_MORE_CHARGE);
}
}
}
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 boolean isMine(Point pt) {
if (getMines() == null) return false;
return getMines().contains(pt) || (isGameOver() && removedMines.contains(pt));
}
@Override
public boolean isFlag(Point pt) {
return isFlag.contains(pt);
}
private boolean isSapperCanMoveToDirection(Direction direction) {
Point cell = getCellPossiblePosition(direction);
return cells.contains(cell);
}