/// <summary>
/// Changes the <see cref="CitizenTypePivot"/> of the specified <see cref="CitizenPivot"/>;
/// using a static sequence of type [Regular -> Entertainer -> Scientist -> TaxCollector -> Regular].
/// </summary>
/// <param name="citizenSource">The citizen.</param>
internal void SwitchCitizenType(CitizenPivot citizenSource)
{
if (!citizenSource.Type.HasValue)
{
ChangeCitizenToSpecialist(citizenSource, CitizenTypePivot.Entertainer);
CheckCitizensHappiness();
}
else
{
switch (citizenSource.Type.Value)
{
case CitizenTypePivot.Entertainer:
ChangeCitizenToSpecialist(citizenSource, CitizenTypePivot.Scientist);
CheckCitizensHappiness();
break;
case CitizenTypePivot.Scientist:
ChangeCitizenToSpecialist(citizenSource, CitizenTypePivot.TaxCollector);
CheckCitizensHappiness();
break;
case CitizenTypePivot.TaxCollector:
ChangeCitizenToRegularAtTheBestVacantMapSquare(citizenSource);
break;
}
}
}
private bool ChangeCitizenToRegularAtTheBestVacantMapSquare(CitizenPivot citizenSource)
{
var mapSquare = BestVacantMapSquareLocation();
if (mapSquare != null)
{
AddRegularCitizen(citizenSource, mapSquare);
return(true);
}
return(false);
}
private void ChangeCitizenToSpecialist(CitizenPivot citizenSource, CitizenTypePivot citizenType)
{
bool wasSpecialistAlready = _specialistCitizens.Contains(citizenSource);
citizenSource.ToSpecialist(citizenType);
if (!wasSpecialistAlready)
{
_areaMapSquares.Remove(_areaMapSquares.SingleOrDefault(ams => ams.Citizen == citizenSource));
_specialistCitizens.Add(citizenSource);
}
}
private void AddRegularCitizen(CitizenPivot citizenSource, MapSquarePivot location, bool delayHappinessCheck = false)
{
var alreadyInArea = _areaMapSquares.SingleOrDefault(ams => ams.Citizen == citizenSource);
if (alreadyInArea != null)
{
_areaMapSquares.Remove(alreadyInArea);
}
else
{
_specialistCitizens.Remove(citizenSource);
}
citizenSource.ToRegular();
_areaMapSquares.Add(new CityAreaMapSquarePivot(this, location));
if (!delayHappinessCheck)
{
CheckCitizensHappiness();
}
}
/// <summary>
/// Constructor (for existing citizen).
/// </summary>
/// <param name="mapSquare">The <see cref="MapSquare"/> value.</param>
/// <param name="citizen">The <see cref="Citizen"/> value.</param>
internal CityAreaMapSquarePivot(MapSquarePivot mapSquare, CitizenPivot citizen)
{
City = citizen.City;
MapSquare = mapSquare;
Citizen = citizen;
}