public override void Execute(params string[] commandParams)
{
string startingCityName = commandParams[0];
string destinationName = commandParams[1];
ICity startingCity = this.Engine.Continent.GetCityByName(startingCityName);
ICity destinationCity = this.Engine.Continent.GetCityByName(destinationName);
this.Engine.Continent.VerifyTroopMovement(startingCity, destinationCity);
if (startingCity.ControllingHouse != destinationCity.ControllingHouse)
{
throw new InvalidOperationException("Cannot move troops between cities controlled by different Houses");
}
var canArmyMove = VerifyDestinationHousingSpaces(destinationCity, startingCity);
if (!canArmyMove)
{
throw new InsufficientHousingSpacesException("Destination city has insufficient housing spaces");
}
startingCity.FoodStorage -= this.Engine.Continent.CityNeighborsAndDistances[startingCity][destinationCity];
var unitsToMove = startingCity.RemoveUnits();
destinationCity.AddUnits(unitsToMove);
this.Engine.Render("Successfully moved all units from {0} to {1}", startingCity.Name, destinationCity.Name);
}
