/// <summary>
/// Adds an external population effect to a species
/// </summary>
/// <param name="species">Target species</param>
/// <param name="constant">Change amount (constant part)</param>
/// <param name="description">What caused the change</param>
/// <param name="immediate">
/// If true applied immediately. Should only be used for the player dying
/// </param>
/// <param name="coefficient">Change amount (coefficient part)</param>
public void AlterSpeciesPopulation(Species species, int constant, string description,
bool immediate = false, float coefficient = 1)
{
if (constant == 0 || coefficient == 0)
{
return;
}
if (species == null)
{
throw new ArgumentException("species is null");
}
// Immediate is only allowed to use for the player dying
if (immediate)
{
if (!species.PlayerSpecies)
{
throw new ArgumentException("immediate effect is only for player dying");
}
GD.Print("Applying immediate population effect " +
"(should only be used for the player dying)");
species.ApplyImmediatePopulationChange(constant, coefficient);
}
CreateRunIfMissing();
autoEvo.AddExternalPopulationEffect(species, constant, coefficient, description);
}