/// <summary>
/// Plays the domino from the hand on the train.
/// Flips the domino if necessary before playing.
/// Removes the domino from the hand.
/// Throws an exception if the domino is not in the hand
/// or is not playable.
/// </summary>
public void Play(Domino d, Train t)
{
//recieve a domino and train, it plays the domino from the hand to the train at the last position.
//can pass mexican train or player train as it is a generic train(superclass)
bool mustFlip, playable;
Domino d1;
int index = 0;
playable = t.IsPlayable(this, d, out mustFlip);
if (playable == false)
{
throw new Exception("The domino is not playable.");
}
if (mustFlip == true)
{
d.Flip();
}
for (int i = 0; i < this.Count; i++)
{
d1 = this[i];
if (d.Equals(d1))
{
index = i;
break;
}
}
this.RemoveAt(index);
t.Add(d);
}
/// <summary>
/// creates a new boardyard list and populates it.
/// </summary>
/// <param name="maxDots"></param>
public BoneYard(int maxDots)
{
if (maxDots < 6 || maxDots > 12)
{
throw new ArgumentException("Invalid Max Dots");
}
else
{
Domino blank = new Domino(0, 0);
boneYardList = new List <Domino>();
boneYardList.Add(blank);
for (int i = 0; i <= maxDots; i++)
{
for (int j = 0; j <= maxDots; j++)
{
bool flag = false;
Domino d = new Domino(i, j);
Domino dFlip = new Domino(j, i);
foreach (Domino d2Check in boneYardList)
{
if (d.Equals(d2Check) || dFlip.Equals(d2Check))
{
flag = true;
break;
}
else
{
flag = false;
}
}
if (flag == false)
{
boneYardList.Add(d);
}
}
}
}
}