@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 List<Point> initializeBoardCells() {
List<Point> result = new ArrayList<Point>();
for (int x = 1; x < size.getValue() - 1; x++) {
for (int y = 1; y < size.getValue() - 1; y++) {
result.add(new PointImpl(x, y));
}
}
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;
}
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;
}
private void removeMine(Point result) {
removedMines.add(result);
getMines().remove(result);
increaseScore();
recalculateWalkMap();
fire(MinesweeperEvents.DESTROY_MINE);
if (getMines().isEmpty()) {
openAllBoard();
fire(MinesweeperEvents.WIN);
}
}
@Override
public boolean isFlag(Point pt) {
return isFlag.contains(pt);
}
@Override
public boolean isMine(Point pt) {
if (getMines() == null) return false;
return getMines().contains(pt) || (isGameOver() && removedMines.contains(pt));
}
private boolean isSapperCanMoveToDirection(Direction direction) {
Point cell = getCellPossiblePosition(direction);
return cells.contains(cell);
}
