/// <summary>
/// Checks if the roll is invalid
/// </summary>
/// <returns></returns>
public bool IsInvalidDoubles()
{
if (currentRoll.IsDoubles())
{
doublesCount++;
if (doublesCount >= 3)
{
doublesCount = 0;
board.RemoveFrontMarble(currentPlayer.Team);
PutBackMarble(currentPlayer.Team);
NextPlayer();
SetReadyForRoll();
return(true);
}
}
return(false);
}
public MoveCollection ThinkAll(Algorithm algorithm, DiceRoll roll, sbyte team, int ms, out Vector4[] scores)
{
MoveCollection collection = GetMoves(roll, team);
if (collection.Count == 0)
{
scores = null;
return(null);
}
else if (collection.Count == 1)
{
scores = new Vector4[1] {
algorithm.Eval(this.GetPosition(), roll.IsDoubles() ? team : Board.NO_PLAYER)
};
return(collection);
}
if (ms < 0)
{
throw new ArgumentException();
}
PositionNode[] nodes = new PositionNode[collection.Count];
for (int i = 0; i < collection.Count; i++)
{
Position node = new Position(this.quadrants);
PerformMove(node, collection[i]);
nodes[i] = new PositionNode(node, collection[i], roll);
}
algorithm.Player = team;
Vector4[] evaluations = new Vector4[nodes.Length];
for (int j = 0; j < nodes.Length; j++)
{
PositionNode currentRootMoveNode = nodes[j];
algorithm.Root = currentRootMoveNode;
Vector4 moveEval = algorithm.Go(ms / collection.Count);
evaluations[j] = moveEval;
}
SortDecreasing(evaluations, collection, team);
scores = evaluations;
return(collection);
}
private double Iterate(Position pos, sbyte us, sbyte evaluating_team, int time)
{
Stopwatch sw = Stopwatch.StartNew();
double wins = 0;
double losses = 0;
Board board = new Board();
sbyte team = NextTeam(us);
int doublesCount = 0;
sbyte lastTeam = 0;
int turns = 0;
do
{
//Reset board
board.SetPosition(pos);
//Pick random nodes and play out game
while (!board.IsGameOver())
{
lastTeam = team;
DiceRoll roll = board.GetRandomRoll();
MoveCollection moves = board.GetMoves(roll, team);
if (moves.Count != 0)
{
Move m = moves[Board.Next(moves.Count)];
if (m != null)
{
board.PerformMove(m);
}
}
if (roll.IsDoubles())
{
doublesCount++;
if (doublesCount >= 3)
{
board.RemoveFrontMarble(team);
doublesCount = 0;
team = board.NextPlayer(team);
turns++;
}
}
else
{
doublesCount = 0;
team = board.NextPlayer(team);
turns++;
}
}
if (lastTeam == evaluating_team)
{
wins++;
}
else
{
losses++;
}
}while (sw.ElapsedMilliseconds < time);
return(wins / losses);
}
public static sbyte SimulateGame()
{
Board board = new Board();
Algorithm mpMix = new MPMix(board, 1, 0.5);
Algorithm maxN = new MaxN(board);
Algorithm paranoid = new Paranoid(board);
Algorithm offensive = new Offensive(board);
Algorithm mcts = new MCTS(board);
int doublesCount = 0;
sbyte lastTeam = 0;
sbyte team = 0;
int turns = 0;
while (!board.IsGameOver())
{
Console.Title = turns.ToString();
lastTeam = team;
DiceRoll roll = board.GetRandomRoll();
Move m = null;
switch (team)
{
case 0:
m = board.ThinkBest(mcts, roll, team, 0);
break;
case 1:
m = board.ThinkBest(maxN, roll, team, 0);
break;
case 2:
m = board.ThinkBest(mcts, roll, team, 0);
break;
case 3:
m = board.ThinkBest(mcts, roll, team, 0);
break;
}
if (m != null)
{
board.PerformMove(m);
}
if (roll.IsDoubles())
{
doublesCount++;
if (doublesCount >= 3)
{
board.RemoveFrontMarble(team);
doublesCount = 0;
team = board.NextPlayer(team);
turns++;
}
}
else
{
doublesCount = 0;
team = board.NextPlayer(team);
turns++;
}
}
Console.WriteLine("{0} won ({1} turns)", GetName(lastTeam), turns);
return(lastTeam);
}
