/**
* Check whether or not this rabbit is to give birth at this step.
* New births will be made into free adjacent locations.
* New born rabbits are added to the Litter.
*/
public void Breed()
{
// New rabbits are born into adjacent locations.
// Get a list of adjacent free locations.
List <Location> free = field.GetFreeAdjacentLocations(location);
Litter.Clear();
for (int b = 0; b < newBirths && free.Count > 0; b++)
{
Location loc = free[0];
free.RemoveAt(0);
Rabbit young = new Rabbit(false, field, loc);
Litter.Add(young);
}
}
/**
* 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.
*/
protected override Location FindFood()
{
List <Location> adjacent = field.AdjacentLocations(location);
foreach (Location where in adjacent)
{
Object animal = field.GetAnimalAt(where);
if (animal is Rabbit)
{
Rabbit rabbit = (Rabbit)animal;
if (rabbit.IsAlive())
{
rabbit.Die();
foodLevel = MainFoodValue;
return(where);
}
}
}
return(null);
}