void Awake()
{
if (joshInfo == null)
{
DontDestroyOnLoad(gameObject);
joshInfo = this;
}
else if (joshInfo != this)
{
Destroy(gameObject);
}
}
static void Main(string[] args)
{
//
// OLD MACDONALD
//
List <FarmAnimal> livestock = new List <FarmAnimal>();
List <ISingable> singingThings = new List <ISingable>();
List <ISellable> forSale = new List <ISellable>();
var cow = new Cow();
var duck = new Duck();
var chicken = new Josh(4.00M);
var tractor = new Tractor();
var apple = new Apple();
livestock.Add(cow);
forSale.Add(cow);
singingThings.Add(cow);
livestock.Add(duck);
forSale.Add(duck);
singingThings.Add(duck);
livestock.Add(chicken);
forSale.Add(chicken);
singingThings.Add(chicken);
singingThings.Add(tractor);
forSale.Add(apple);
Console.WriteLine("Old MacDonald had a farm ee ay ee ay oh");
foreach (FarmAnimal animal in livestock)
{
Console.WriteLine("And on his farm there was a " + animal.Name + " ee ay ee ay oh");
Console.WriteLine("With a " + animal.MakeSoundTwice() + " here and a " + animal.MakeSoundTwice() + " there");
Console.WriteLine("Here a " + animal.MakeSoundOnce() + ", there a " + animal.MakeSoundOnce() + " everywhere a " + animal.MakeSoundTwice());
Console.WriteLine("Old Macdonald had a farm, ee ay ee ay oh");
Console.WriteLine();
//Cow cow = animal as Cow;
//if (animal != null)
//{
// Console.WriteLine(cow.Graze());
// Console.WriteLine();
//}
}
// ------ NOW
// What if we wanted to sing about other things on the farm?
// Can it be done?
Console.WriteLine();
foreach (ISingable singer in singingThings)
{
Console.WriteLine("And on his farm there was a " + singer.Name + " ee ay ee ay oh");
Console.WriteLine("With a " + singer.MakeSoundTwice() + " here and a " + singer.MakeSoundTwice() + " there");
Console.WriteLine("Here a " + singer.MakeSoundOnce() + ", there a " + singer.MakeSoundOnce() + " everywhere a " + singer.MakeSoundTwice());
Console.WriteLine("Old Macdonald had a farm, ee ay ee ay oh");
Console.WriteLine();
}
Console.WriteLine();
foreach (ISellable item in forSale)
{
Console.WriteLine($"Price: {item.Price.ToString("C")}");
}
Console.ReadLine();
}
