public void Initialize(Species species)
{
_builder = GetComponent <CreatureBuilder>();
_species = species;
_species.OnMutationAdded += OnMutationAdded;
_species.OnMutationRemoved += OnMutationRemoved;
_senseses = GetComponentInChildren <Senses>();
_steering = GetComponent <SteeringController>();
_steering.AddBehaviour <PredatorAvoidance>();
_steering.AddBehaviour <Pursuit>();
_steering.AddBehaviour <Arrive>();
_steering.AddBehaviour <Wander>();
_steering.DisableAll();
_health = species.GetStat(StatType.Health);
Calories = species.CalorieConsumption / 2.0f;
for (int i = 0; i < _species.MutationCount; i++)
{
OnMutationAdded(_species.GetMutation(i));
}
UpdateStats();
RethinkState();
name += " -" + species.Name;
}
protected override float DoUtilityCalculation()
{
if (!Species.CanEat(FoodType.Meat))
{
return(0.0f);
}
float distance = GetDistanceToTarget();
float sight = Species.GetStat(StatType.Sight);
float consumption = Creature.Species.CalorieConsumption;
if (distance > sight * 2)
{
return(0.0f);
}
float value = 0.8f * (1.0f - Creature.Calories / (consumption * 3.0f))
+ 0.15f * (_target.CorpseCalories / consumption)
+ 0.05f * (1.0f - distance / Species.GetStat(StatType.Sight) * 2.0f)
- 0.2f * (_target.DamagePerSecond / Creature.DamagePerSecond)
- 0.1f * (1.0f - Creature.Health / Species.GetStat(StatType.Health))
+ 0.1f * (1.0f - _target.Health / _target.Species.GetStat(StatType.Health))
+ (_target.IsAttacking(Creature) ? 0.15f : 0.0f);
if (IsCurrent && !Done)
{
value += 0.2f;
}
return(value);
}
protected override float DoUtilityCalculation()
{
float greatestThreat = 0.0f;
float healthPercent = Creature.Health / Species.GetStat(StatType.Health);
foreach (var threat in Senses.GetVisibleCreatures())
{
if (threat.Species == Species || !threat.Species.CanEat(FoodType.Meat))
{
continue;
}
float distance = Vector2.Distance(threat.transform.position, Creature.transform.position);
float value = 1.0f * (threat.DamagePerSecond / Creature.DamagePerSecond)
+ 0.5f * healthPercent
+ 0.5f * (1.0f - distance / (threat.Species.GetStat(StatType.Sight) * 3.0f))
- (Creature.Species.EaterType == EaterType.Herbivore ? 0.0f : 0.4f);
greatestThreat = Mathf.Max(value, greatestThreat);
}
return(greatestThreat);
}
public override void Update()
{
if (_food == null)
{
Done = true;
return;
}
float distanceToFood = Vector2.Distance(Creature.transform.position, _food.transform.position);
if (distanceToFood > Species.GetStat(StatType.Range))
{
_arrive.enabled = true;
return;
}
_arrive.enabled = false;
float eatAmount = _food.LoseCalories(Species.GetStat(StatType.Foraging) * Time.deltaTime);
Creature.GainCalories(eatAmount);
}
protected override float DoUtilityCalculation()
{
if (!Creature.Species.CanEat(_food.FoodType))
{
return(0.0f);
}
// TODO : Take foraging into account
float distance = Vector2.Distance(_food.transform.position, Creature.transform.position);
float consumption = Creature.Species.CalorieConsumption;
float value = 0.85f * (1.0f - Creature.Calories / (consumption * 3.0f))
+ 0.1f * (_food.Calories / consumption)
+ 0.05f * (1.0f - distance / Species.GetStat(StatType.Sight));
if (IsCurrent && !Done)
{
value += 0.1f;
}
return(value);
}
public override void Update()
{
if (_target == null)
{
Done = true;
return;
}
float distance = GetDistanceToTarget();
if (distance > Species.GetStat(StatType.Sight) * 2.0f) // Ran away
{
Done = true;
return;
}
if (GetDistanceToTarget() <= Species.GetStat(StatType.Range) &&
Time.time - _lastAttack > Species.GetStat(StatType.AttackSpeed))
{
_lastAttack = Time.time;
_target.TakeDamage(Species.GetStat(StatType.Damage));
}
}
private void UpdateStats()
{
_health = Mathf.Clamp(_health, 0.0f, _species.GetStat(StatType.Health));
_steering.Speed = _species.GetStat(StatType.MovementSpeed);
_senseses.Range = _species.GetStat(StatType.Sight);
}
public void Reproduce(Vector2 position, Species species)
{
// TODO : Random chance to create new species
Species childSpecies = species;
float newSpeciesRn = Random.Range(0.0f, 1.0f);
if (newSpeciesRn < NewSpeciesChance)
{
childSpecies = species.Clone("Child");
childSpecies.OnResearchComplete += OnResearchComplete;
Species.Add(childSpecies);
}
Vector2 childOffset = new Vector2(Random.Range(-1.0f, 1.0f), Random.Range(-1.0f, 1.0f)) * species.GetStat(StatType.Range) * 1.5f;
Creature child = Instantiate(CreaturePrefab, position + childOffset, Quaternion.identity).GetComponent <Creature>();
child.Initialize(childSpecies);
}