/**
* Set player who opens the game.
* called by parallel thread in a server game
*/
public override void SetStarter(bool b)
{
if (b)
{
// computer starts
if (VERBOSE)
{
Debug.WriteLine("Computer starts");
}
m_humanColor = IController.BLACK;
m_humanStarts = false;
}
else
{
// human starts
if (VERBOSE)
{
Debug.WriteLine("Human starts");
}
m_humanColor = IController.WHITE;
m_humanStarts = true;
}
// refresh gui: must be called after beginning player have been chosen
m_view.PrepareBoard();
// create new game tree
m_gameTree = new GameTree();
if (b)
{
// computer will open the game
m_gameTree.Create(TREEDEPTH, null);
if (VERBOSE)
{
Debug.WriteLine("\tgame tree created; tree size: " + m_gameTree.Size());
}
}
}
/**
* Play human player action
* @param a Action
* @return status flag
*/
private Status Human(ActionPM a)
{
State s = m_gameTree.CurrentState();
// play human action
if (s == null)
{
if (a is Placing)
{
if (m_humanColor != IController.WHITE)
{
throw new Exception("wrong human player color");
}
m_gameTree.Create(TREEDEPTH, (Placing)a);
s = m_gameTree.CurrentState();
if (VERBOSE)
{
Debug.WriteLine("Human has played\n\ttree size: " + m_gameTree.Size());
}
}
else
{
m_view.UpdateBoard(m_gameTree.CurrentState(), a, false);
return(Status.INVALIDACTION);
}
}
else
{
// check if a is a valid human player action
if (a.IsValid(s))
{
var sCopy = s.Clone();
// update temporary state with user action
a.Update(sCopy);
// check if a mill has been closed
if (sCopy.InMill(a.EndPosition, a.Color()))
{
// action is not yet played, because it is part of a taking action
if (VERBOSE)
{
Debug.WriteLine("Human closed mill\n\ttree size: " + m_gameTree.Size());
}
// redraw game board
m_view.UpdateBoard(sCopy, a, false);
return(Status.CLOSEDMILL);
}
else
{
// play human player action a
m_gameTree.HumanPlayer(a);
if (VERBOSE)
{
Debug.WriteLine("Human has played\n\ttree size: " + m_gameTree.Size());
}
}
}
else
{
if (VERBOSE)
{
Debug.WriteLine("Human played an invalid action");
}
m_view.UpdateBoard(m_gameTree.CurrentState(), a, false);
return(Status.INVALIDACTION);
}
}
if (s.Finished())
{
if (VERBOSE)
{
Debug.WriteLine("Human has won");
}
m_view.UpdateBoard(m_gameTree.CurrentState(), a, false);
return(Status.FINISHED);
}
else
{
m_view.UpdateBoard(m_gameTree.CurrentState(), a, false);
return(Status.OK);
}
}