/**
* Finds all empty nearby spaces
*
* @return a point that is adjacent and empty
*/
public Point nearEmpty() {
Point temp;
ArrayList<Point> available = new ArrayList<Point>();
final Point location = summative.getLocation(this);
assert (location != null);
for (int x = -1; x <= 1; x++) {
for (int y = -1; y <= 1; y++) {
temp = new Point(location.x + x, location.y + y);
if (summative.emptyAt(temp) && (summative.terrainGet(temp)) == TERRAIN.LAND) {
available.add(temp);
}
}
}
if (available.size() > 0) {
return available.get((int) (Math.random() * available.size()));
} else {
return null;
}
}
