//Recursive method for obtaining the winner of a tournament.
//if you call this method with a tournament Node, you can obtain the winner of that Node in specific.
public Player winnerTournament(TournamentNode actualNode)
{
if (actualNode.isSon())
return actualNode._player;
else
return winnerTournamentAux(actualNode._leftNode, actualNode._rightNode)._player;
}
public void setNodes(string match)
{
string[] args = match.Split('"');
Player left = new Player(args[1], args[3]);
Player right = new Player(args[5], args[7]);
TournamentNode node = new TournamentNode(left, right);
_winner = node.winnerTournament(node);
}
//Method that retrieves the winner of a single match.
//the nodes that recieves most be sons
private TournamentNode winnerMatch(TournamentNode left, TournamentNode right)
{
string playLeft = left._player.getPlay();
string playRight = right._player.getPlay();
if (leftwins(playLeft, playRight))
return left;
else
return right;
}
//Auxiliar method of winnerTournament used for the recursion of the method in both Nodes of the tree
private TournamentNode winnerTournamentAux(TournamentNode tournamentNodeleft, TournamentNode tournamentNoderight)
{
//end statement, when the Nodes are Sons
if (tournamentNodeleft.isSon())
return winnerMatch(tournamentNodeleft, tournamentNoderight);
else
{
//Obtains the winner of the games in the left and right Nodes and obtains the champion
TournamentNode leftwinner = winnerTournamentAux(tournamentNodeleft._leftNode, tournamentNodeleft._rightNode);
TournamentNode rightwinner = winnerTournamentAux(tournamentNoderight._leftNode, tournamentNoderight._rightNode);
return winnerTournamentAux(leftwinner, rightwinner);
}
}
/*Constructor that recieves the path of a .txt file to obtain the winner and second place of the tournament specified in
the file. */
public Championship(string path)
{
using (StreamReader sr = new StreamReader(path))
{
Stack list = new Stack();
while (sr.Peek() >= 0)
{
String line = sr.ReadLine();
line.Trim();
if (line.Equals("["))
{
TournamentNode node = new TournamentNode();
list.Push(node);
}
else if (line.Equals("]") || line.Equals("],"))
{
TournamentNode right = (TournamentNode) list.Pop();
TournamentNode left = (TournamentNode) list.Pop();
TournamentNode node = (TournamentNode)list.Pop();
node.setSons(left, right);
list.Push(node);
}
else
{
string[] args = line.Split('"');
Player left = new Player(args[1].Trim().ToUpper(), args[3].Trim().ToUpper());
Player right = new Player(args[5].Trim().ToUpper(), args[7].Trim().ToUpper());
TournamentNode node = new TournamentNode(left, right);
list.Push(node);
}
}
_tournament = (TournamentNode)list.Pop();
}
}
public TournamentNode(Player left, Player right)
{
_leftNode = new TournamentNode(left);
_rightNode = new TournamentNode(right);
}
//Set of the Left and Right Nodes.
internal void setSons(TournamentNode left, TournamentNode right)
{
_leftNode = left;
_rightNode = right;
}