/**
* Look for rabbits adjacent to the current location. Only the first live rabbit is eaten.
*
* @return Where food was found, or null if it wasn't.
*/
private Location findFood() {
Field field = getField();
List<Location> adjacent = field.adjacentLocations(getLocation());
Iterator<Location> it = adjacent.iterator();
while (it.hasNext()) {
Location where = it.next();
Object animal = field.getObjectAt(where);
if (animal instanceof Rabbit) {
Rabbit rabbit = (Rabbit) animal;
if (rabbit.isAlive()) {
rabbit.setDead();
foodLevel = RABBIT_FOOD_VALUE;
// Remove the dead rabbit from the field.
return where;
}
}
if (animal instanceof Fox) {
Fox fox = (Fox) animal;
if (fox.isAlive()) {
fox.setDead();
foodLevel = WOLVES_FOOD_VALUE;
// Remove the dead rabbit from the field.
return where;
}
}
}
return null;
}
