public EventReaction EatFood(Food food)
{
Console.Write("Animal is eating {0} {1}... ", food.Type, food.Item);
if (GetFoodReaction(food) == EventReaction.Dead)
{
if (InternalState.RemainingLifeTime.TotalSeconds/InternalState.RemainingLifeTimeLimit.TotalSeconds < 0.5)
{
return EventReaction.Dead;
}
Console.Write("Food was refused");
}
int remainingLifeTime = (int) InternalState.RemainingLifeTime.TotalSeconds;
InternalState.Change(FoodEvaluator.Evaluate(food));
if (InternalState.RemainingLifeTime.TotalSeconds <= 0)
{
return EventReaction.Dead;
}
Console.Write("{0} to life",
InternalState.RemainingLifeTime.TotalSeconds - remainingLifeTime);
Console.WriteLine("\n\nAnimal's remaining life time: {0} sec.\n",
InternalState.RemainingLifeTime.TotalSeconds);
return EventReaction.Alive;
}
public StateDelta Evaluate(Food food)
{
int satiety = EvaluateSatiety(food);
int happiness = EvaluateHappiness(food);
int health = EvaluateHealth(food);
return new StateDelta(happiness, health, satiety);
}
public int EvaluateSatiety(Food food)
{
switch (food.Type)
{
case FoodType.Valuable:
return FoodReactions[food.Item].SatietyPlus*food.N*2 -
FoodReactions[food.Item].SatietyMinus*food.N;
case FoodType.TastyButUseless:
return FoodReactions[food.Item].SatietyPlus*food.N/2 - FoodReactions[food.Item].SatietyMinus*food.N;
case FoodType.Neutral:
return FoodReactions[food.Item].SatietyPlus*food.N - FoodReactions[food.Item].SatietyMinus*food.N;
case FoodType.Harmful:
return ((-1)*
Math.Abs(FoodReactions[food.Item].SatietyPlus*food.N/2 -
FoodReactions[food.Item].SatietyMinus*food.N*2));
default:
return 0;
}
}
protected EventReaction GetFoodReaction(Food food)
{
if (food.Type == FoodType.Killing)
{
return EventReaction.Dead;
}
return EventReaction.Alive;
}