void PopCenter::PopCenterPopGrowthProductionResearchPhase() {
double cur_pop = CurrentMeterValue(METER_POPULATION);
double pop_growth = NextTurnPopGrowth(); // may be negative
double new_pop = cur_pop + pop_growth;
Logger().debugStream() << "Planet Pop: " << cur_pop << " growth: " << pop_growth;
if (new_pop >= MINIMUM_POP_CENTER_POPULATION) {
GetMeter(METER_POPULATION)->SetCurrent(new_pop);
} else {
// if population falls below threshold, kill off the remainder
Reset();
}
}
float PopCenter::PopCenterNextTurnMeterValue(MeterType meter_type) const {
const Meter* meter = GetMeter(meter_type);
if (!meter) {
throw std::invalid_argument("PopCenter::PopCenterNextTurnMeterValue passed meter type that the PopCenter does not have.");
} else if (meter_type == METER_POPULATION) {
return meter->Current() + NextTurnPopGrowth();
} else if (meter_type == METER_TARGET_POPULATION) {
Logger().debugStream() << "PopCenter::PopCenterNextTurnMeterValue passed valid but unusual (TARGET) meter_type. Returning meter->Current()";
return meter->Current();
} else {
Logger().errorStream() << "PopCenter::PopCenterNextTurnMeterValue dealing with invalid meter type";
return 0.0f;
}
}
