private void CalculateResourcesNeeded(List <Talent> talents)
{
characteristics.Reset();
foreach (Talent tal in talents)
{
this.characteristics.healingPlantsNeeded += tal.characteristics.healingPlantsNeeded;
this.characteristics.chemistryNeeded += tal.characteristics.chemistryNeeded;
this.characteristics.plasticNeeded += tal.characteristics.plasticNeeded;
}
}