private void timer1_Tick(object sender, EventArgs e)
{
int[][] board = game.GetBoard();
if (board[0][0] != 0)
{
label1.Text = board[0][0] == 1?"X":"0";
}
if (board[0][1] != 0)
{
label2.Text = board[0][1] == 1?"X":"0";
}
if (board[0][2] != 0)
{
label3.Text = board[0][2] == 1?"X":"0";
}
if (board[1][0] != 0)
{
label4.Text = board[1][0] == 1?"X":"0";
}
if (board[1][1] != 0)
{
label5.Text = board[1][1] == 1?"X":"0";
}
if (board[1][2] != 0)
{
label6.Text = board[1][2] == 1?"X":"0";
}
if (board[2][0] != 0)
{
label7.Text = board[2][0] == 1?"X":"0";
}
if (board[2][1] != 0)
{
label8.Text = board[2][1] == 1?"X":"0";
}
if (board[2][2] != 0)
{
label9.Text = board[2][2] == 1?"X":"0";
}
}
public override char Move()
{
// First check if threathened
int[][] grid = game.GetBoard();
int gridSize = game.GetGridSize();
int mark = GetMark();
int otherMark;
char defendChoice = ' ';
char winningChoice = ' ';
char choice = ' ';
if (mark == 1)
{
otherMark = 2;
}
else
{
otherMark = 1;
}
// Players play either '1' or '2'
int count;
// Check rows
for (int row = 0; row < gridSize; row++)
{
count = 0;
for (int col = 0; col < gridSize; col++)
{
if (grid[row][col] == otherMark)
{
count++;
}
}
if (count == gridSize - 1)
{
// Defense
for (int col = 0; col < gridSize; col++)
{
if (grid[row][col] == 0)
{
defendChoice = (char)(row * gridSize + col + 97);
}
}
}
}
// Check columns
for (int col = 0; col < gridSize; col++)
{
count = 0;
for (int row = 0; row < gridSize; row++)
{
if (grid[row][col] == otherMark)
{
count++;
}
}
if (count == gridSize - 1)
{
// Defense
for (int row = 0; row < gridSize; row++)
{
if (grid[row][col] == 0)
{
defendChoice = (char)(row * gridSize + col + 97);
}
}
}
}
// Check positive diagonal
count = 0;
for (int row = 0, col = 0; (row < gridSize && col < gridSize); row++, col++)
{
if (grid[row][col] == otherMark)
{
count++;
}
}
if (count == gridSize - 1)
{
// Defense
for (int row = 0, col = 0; (row < gridSize && col < gridSize); row++, col++)
{
if (grid[row][col] == 0)
{
defendChoice = (char)(row * gridSize + col + 97);
}
}
}
// Check negative diagonal
count = 0;
for (int row = 0, col = gridSize - 1; (row < gridSize && col >= 0); row++, col--)
{
if (grid[row][col] == otherMark)
{
count++;
}
}
if (count == gridSize - 1)
{
// Defense
for (int row = 0, col = gridSize - 1; (row < gridSize && col >= 0); row++, col--)
{
if (grid[row][col] == 0)
{
defendChoice = (char)(row * gridSize + col + 97);
}
}
}
// See if we have learnt anything in the past
ArrayList alPossibilities = (ArrayList)memory.getChildTries(game.GetMoves());
if (alPossibilities != null)
{
if (alPossibilities.Count > 0)
{
// For the time being, select the first possibility
Trie t = (Trie)alPossibilities[new Random().Next(alPossibilities.Count)];
if (t.getValue() != null)
{
winningChoice = t.getChar();
}
else
{
choice = t.getChar();
}
}
else
{
}
}
else
{
// Go for a random placement
while (true)
{
choice = (char)(new Random().Next(game.GetGridSize() * game.GetGridSize()) + 97);
if (game.IsEmpty(choice))
{
break;
}
}
}
if (winningChoice != ' ')
{
choice = winningChoice;
}
else if (defendChoice != ' ')
{
choice = defendChoice;
}
return(choice);
}