public void ComputerMove()
{
Node next = _node.FindNextMove(_depth);
if(next != null)
{
next._human = true;
_node = next;
_node._score = _node.Utility();
}
_moves++;
}
public void Start()
{
_moves = 0;
int[][] state = new int[6][];
for (int i = 0; i < state.Length; i++)
{
state[i] = new int[7];
for (int j = 0; j < state[i].Length; j++)
{
state[i][j] = 0;
}
}
_node = new Node(state, true);
}
public int Minimax(out Node node, int alpha, int beta, int depth, bool needMax)
{
node = null;
System.Diagnostics.Debug.Assert(_human == needMax);
if (depth == 0 || _terminal)
{
RecursiveScore = _score;
return _score;
}
foreach (Node child in getChildren())
{
Node chil = null;
int score = child.Minimax(out chil, alpha, beta, depth-1, !needMax);
if (!needMax)
{
if (beta > score)
{
beta = score;
node = child;
if (alpha >= beta)
{
break;
}
}
}
else
{
if (alpha < score)
{
alpha = score;
node = child;
if (alpha >= beta)
{
break;
}
}
}
}
RecursiveScore = needMax ? alpha : beta;
return RecursiveScore;
}
