int getEstimatedShipsOnPlanet(PlanetData planetData, int futureInDays)
{
int shipsOnPlanetAtArrivalday = Math.Min(planetData.Ships + planetData.GetActualFactorySpeed() * futureInDays, Math.Max(planetData.Ships, planetData.HangarSize));
//shipsOnPlanetAtArrivalday is the maximum number of ships that can be expected if the planet does not receive additional supplies
return shipsOnPlanetAtArrivalday;
}