// Player buys {quantity} amount of goods from the planet. If the player
// can't buy that many, don't let him/her.
public bool PlayerBuys(Good item)
{
try
{
Supply.Remove(item);
player.Ship.Cargo.Add(item);
player.Money -= purchasePrices[item];
return(true);
}
catch (ArgumentException)
{
return(false);
}
}