private void openAllBoard() {
walkAt.clear();
for (Point cell : getCells()) {
walkAt.put(cell, getMinesNear(cell));
}
}
private boolean moveSapperAndFillFreeCell(Direction direction) {
walkAt.put(sapper.copy(), getMinesNearSapper());
direction.change(sapper);
boolean wasHere = walkAt.containsKey(sapper.copy());
return !wasHere;
}
@Override
public int minesNear(Point pt) {
Integer count = walkAt.get(pt);
if (count == null) {
return -1;
}
return count;
}
private void recalculateWalkMap() {
for (Map.Entry<Point, Integer> entry : walkAt.entrySet()) {
entry.setValue(getMinesNear(entry.getKey()));
}
}
@Override
public boolean walkAt(Point pt) {
return walkAt.containsKey(pt);
}
