public void Add(Node end, Domino d, IPlayer player)
{
if (_root == null)
throw new InvalidOperationException("Graph has not been started");
var possibleEnds = Ends(player);
if (!possibleEnds.Contains(end))
{
throw new ArgumentException("Must use a valid end!");
}
end.AddChild(d);
}
private int PrintNode(Node node, StringBuilder sb, int indent, int openCount, IEnumerable<Node> open)
{
if (node.End == node.Value.Second)
sb.Append(node.Value);
else
sb.Append(node.Value.ToBackwardsString());
if (!node.Children.Any())
{
if (open.Contains(node))
sb.Append(string.Format(" ({0})", ++openCount));
sb.AppendLine();
return openCount;
}
openCount = PrintNode(node.Children.First(), sb, indent+1, openCount, open);
foreach (var child in node.Children.Skip(1))
{
foreach ( var i in Enumerable.Range(0,indent+1)) sb.Append(" ");
openCount =PrintNode(child, sb, indent + 2, openCount, open);
}
//refactor this and the if statement above together.
int remaining = node.Available - 1;
if (remaining > 0 && open.Contains(node))
{
foreach (int i in Enumerable.Range(0,remaining))
{
foreach (var j in Enumerable.Range(0, indent)) sb.Append(" ");
sb.AppendLine(string.Format(" ({0})", ++openCount));
}
}
return openCount;
}
//used by King of fools otherwise it would be private.
internal Node(Domino v, Node parent)
{
Value = v;
Children = new List<Node>();
if (parent.End == Value.First)
End = Value.Second;
else if (parent.End == Value.Second)
End = Value.First;
else
throw new ArgumentException("Dominoes don't match");
Owner = parent.Owner;
}