public GrowthCalculator(Population population)
{
this.population = population;
this.GrowthCountdown = population.Species.GrowthRate;
this.DecayCountdown = population.Species.DecayRate;
this.GrowthStatus = GrowthStatus.stagnate;
}
/*
* 0. if any predators nearby, population set to decrease next day
* 1. if any need not met, handle growth logic and set growth status
* 2. if all needs met, handle growth logic
*/
public void CalculateGrowth()
{
float predatorValue = calculatePredatorPreyNeed();
if (predatorValue > 0f)
{
this.GrowthStatus = GrowthStatus.declining;
this.DecayCountdown = 1;
this.populationIncreaseRate = -1 * predatorValue;
return;
}
this.CalculateTerrainNeed();
this.CalculateWaterNeed();
this.GrowthStatus = GrowthStatus.growing;
foreach (KeyValuePair <NeedType, bool> need in new Dictionary <NeedType, bool>(IsNeedMet))
{
if (!need.Key.Equals(NeedType.Prey) && !IsNeedMet[need.Key])
{
//If any need is not being met, set the growth status to declining
GrowthStatus = GrowthStatus.declining;
}
IsNeedMet[need.Key] = false;
}
populationIncreaseRate = 0f;
if (this.GrowthStatus == GrowthStatus.growing)
{
//Scales the increase rate between 100% and 200% population increase
populationIncreaseRate = (waterRating + foodRating + terrainRating) / 3f;
}
else
{
//Scales the increase rate between 0% and 100% population decrease (could potentially wipe out a population if the player is failing as much as possible)
populationIncreaseRate = (Mathf.Min(waterRating, 0) + Mathf.Min(foodRating, 0) + Mathf.Min(terrainRating, 0)) / 3f;
}
Debug.Log("Population status: " + this.GrowthStatus.ToString() + ", increase rate: " + populationIncreaseRate);
}
