private void Hunger(float delta)
{
if (_hungerState != HungerState.Eating)
{
_currentHungerValue -= delta * _hungerDeleptionRate;
_currentHungerValue = Mathf.Max(0, _currentHungerValue);
}
switch (_hungerState)
{
case HungerState.Sated:
_targetFood = null;
if (_currentHungerValue <= 0)
{
_hungerState = HungerState.SearchingForFood;
}
break;
case HungerState.SearchingForFood:
_targetFood = null;
float closestDist = Mathf.Infinity;
foreach (Food food in FindObjectsOfType <Food>())
{
if (food.RemainingFood() >= 1 && food.BeingEatenBy().Count == 0)
{
float dist = Vector3.Distance(transform.position, food.transform.position);
if (dist < closestDist)
{
_targetFood = food;
closestDist = dist;
}
}
}
if (_targetFood != null)
{
_targetFood.AddEater(this);
_hungerState = HungerState.MovingToFood;
_navigator.SetCurrentNavPosition(transform.position);
_navigator.SetTarget(_targetFood);
}
break;
case HungerState.MovingToFood:
if (_targetFood.BeingEatenBy().Count >= 2)
{
_targetFood = null;
_hungerState = HungerState.SearchingForFood;
}
else if (_navigator.HasReachedTarget())
{
_hungerState = HungerState.Eating;
}
break;
case HungerState.Eating:
if ((_eatTimer -= delta) <= 0)
{
_eatTimer = _eatTime;
_targetFood.EatFromFood();
_currentHungerValue += 0.1f;
if (_currentHungerValue >= 1)
{
_targetFood.RemoveFoodEater(this);
_targetFood = null;
_navigator.SetTarget(null);
_hungerState = HungerState.Sated;
}
else if (_targetFood.RemainingFood() <= 0)
{
_targetFood.RemoveFoodEater(this);
_targetFood = null;
_navigator.SetTarget(null);
_hungerState = HungerState.SearchingForFood;
}
}
break;
}
}