/// <summary>
/// Check to see if a player can win
/// </summary>
/// <param name="startX">Start X</param>
/// <param name="startY">Start Y</param>
/// <param name="board">PlayField Type</param>
/// <param name="dx">Directional X</param>
/// <param name="dy">Directional Y</param>
/// <param name="look">What symbol to look for (X,O)</param>
/// <returns>True/False if a opponent has a winning chance </returns>
public static bool CheckFields(int startX, int startY, PlayField board, int dx, int dy, string look)
{
// Reset Values/ Initialize variables
xCount = 0;
oCount = 0;
emptyCount = 0; // Is this used=???
yxPos = new int[2];
// Loops through the playfield
for (var i = 0; i < 3; i++)
{
int y = startY + dy * i;
int x = startX + dx * i;
if (board.field[y, x] == "")
{
yxPos[0] = y;
yxPos[1] = x;
emptyCount++; // Is this used=??
}
if (board.field[y, x] == "X")
{
xCount++;
}
if (board.field[y, x] == "O")
{
oCount++;
}
}
if (oCount.Equals(2) && emptyCount.Equals(1) && look == "O")
{
canWin = true;
return(true);
}
if (xCount.Equals(2) && emptyCount.Equals(1) && look == "X")
{
canWin = true;
return(true);
}
canWin = false;
return(false);
}
/// <summary>
/// Checks for counter/winning moves
/// </summary>
/// <param name="board">PlayField Type</param>
/// <param name="con">All form controls</param>
/// <param name="player">String from ENUM</param>
public static bool CheckMove(PlayField board, Control.ControlCollection con, string player)
{
currentPlayer = player;
// Set the symbols to look for
lookFor = new string[] { "O", "X" };
// Goes through all symbols in order
foreach (string s in lookFor)
{
// Check columns for counter/winning moves
for (var x = 0; x < board.field.GetLength(0); x++)
{
if (CheckFields(x, 0, board, 0, 1, s))
{
return(true);
}
}
// Check rows for counter/winning moves
for (var y = 0; y < board.field.GetLength(0); y++)
{
if (CheckFields(0, y, board, 1, 0, s))
{
return(true);
}
}
// Check diagonals for counter/winning moves
if (CheckFields(0, 0, board, 1, 1, s))
{
return(true);
}
if (CheckFields(2, 0, board, -1, 1, s))
{
return(true);
}
}
return(false);
}
/// <summary>
/// AI Move Invoke Handler.
/// Advanced Game Mode
/// </summary>
/// <param name="board">PlayField Type</param>
/// <param name="con">All form controls</param>
/// <param name="player">String from ENUM</param>
/// <param name="UsedBricks">Current used bricks (int)</param>
public static void Move(PlayField board, Control.ControlCollection con, string player, int UsedBricks)
{
}
/// <summary>
/// AI Move Invoke Handler.
/// Simple Game Mode
/// </summary>
/// <param name="board">PlayField Type</param>
/// <param name="con">All form contorls</param>
/// <param name="player">String from ENUM</param>
public static void Move(PlayField board, Control.ControlCollection con, string player)
{
CheckMove(board, con, player);
MakeMove(con);
}
/// <summary>
/// Places a brick in the first availble (empty) field in the PlayField
/// </summary>
/// <param name="g"></param>
/// <returns>The number of the button to place the brick in</returns>
public static string AIDicision(PlayField g)
{
String button = "";
// Check for winning first
// Checks every row from left to right, both X and O
if (g.field[0, 0] == g.field[0, 1] && g.field[0, 1] == "O" && g.field[0, 2] == "")
{
button = "3";
}
if (g.field[1, 0] == g.field[1, 1] && g.field[1, 1] == "O" && g.field[1, 2] == "")
{
button = "6";
}
if (g.field[2, 0] == g.field[2, 1] && g.field[2, 1] == "O" && g.field[2, 2] == "")
{
button = "9";
}
// if (g.field1 == g.field2 && g.field2 == "O" && g.field3 == "") button = "3";
// if (g.field4 == g.field5 && g.field5 == "O" && g.field6 == "") button = "6";
// if (g.field7 == g.field8 && g.field8 == "O" && g.field9 == "") button = "9";
// Checks every row from right to left, both X and O
if (g.field[0, 2] == g.field[0, 1] && g.field[0, 1] == "O" && g.field[0, 0] == "")
{
button = "1";
}
if (g.field[1, 2] == g.field[1, 1] && g.field[1, 1] == "O" && g.field[1, 0] == "")
{
button = "4";
}
if (g.field[2, 2] == g.field[2, 1] && g.field[2, 1] == "O" && g.field[2, 0] == "")
{
button = "7";
}
// if (g.field3 == g.field2 && g.field3 == "O" && g.field1 == "") button = "1";
// if (g.field6 == g.field5 && g.field6 == "O" && g.field4 == "") button = "4";
// if (g.field9 == g.field8 && g.field9 == "O" && g.field7 == "") button = "7";
// Check every row for side match, both X and O
if (g.field[0, 0] == g.field[0, 2] && g.field[0, 2] == "O" && g.field[0, 1] == "")
{
button = "2";
}
if (g.field[1, 0] == g.field[1, 2] && g.field[1, 2] == "O" && g.field[1, 1] == "")
{
button = "5";
}
if (g.field[2, 0] == g.field[2, 2] && g.field[2, 2] == "O" && g.field[2, 1] == "")
{
button = "8";
}
// if (g.field[0, 0] == g.field[0, 2] && g.field[0, 2] == "O" && g.field[0, 1] == "") button = "2";
// if (g.field[1, 0] == g.field[1, 2] && g.field[1, 2] == "O" && g.field[1, 1] == "") button = "5";
// if (g.field[2, 0] == g.field[2, 2] && g.field[2, 2] == "O" && g.field[2, 1] == "") button = "8";
// Check every colum from top to bottom, both X and O
if (g.field[0, 0] == g.field[1, 0] && g.field[1, 0] == "O" && g.field[2, 0] == "")
{
button = "7";
}
if (g.field[0, 1] == g.field[1, 1] && g.field[1, 1] == "O" && g.field[2, 2] == "")
{
button = "8";
}
if (g.field[0, 2] == g.field[1, 2] && g.field[1, 2] == "O" && g.field[2, 2] == "")
{
button = "9";
}
// if (g.field1 == g.field4 && g.field4 == "O" && g.field7 == "") button = "7";
// if (g.field2 == g.field5 && g.field5 == "O" && g.field8 == "") button = "8";
// if (g.field3 == g.field6 && g.field6 == "O" && g.field9 == "") button = "9";
// Check every colum from bottom to top, both X and O
if (g.field[2, 0] == g.field[1, 0] && g.field[1, 0] == "O" && g.field[0, 0] == "")
{
button = "1";
}
if (g.field[2, 1] == g.field[1, 1] && g.field[1, 1] == "O" && g.field[0, 1] == "")
{
button = "2";
}
if (g.field[2, 2] == g.field[1, 2] && g.field[1, 2] == "O" && g.field[0, 2] == "")
{
button = "3";
}
// if (g.field7 == g.field4 && g.field4 == "O" && g.field1 == "") button = "1";
// if (g.field8 == g.field5 && g.field5 == "O" && g.field2 == "") button = "2";
// if (g.field9 == g.field6 && g.field6 == "O" && g.field3 == "") button = "3";
// Check every colum for side match, both X and O
if (g.field[0, 0] == g.field[2, 0] && g.field[2, 0] == "O" && g.field[1, 0] == "")
{
button = "4";
}
if (g.field[0, 1] == g.field[2, 1] && g.field[2, 1] == "O" && g.field[1, 1] == "")
{
button = "5";
}
if (g.field[0, 2] == g.field[2, 2] && g.field[2, 2] == "O" && g.field[1, 2] == "")
{
button = "6";
}
// if (g.field[0, 0] == g.field[2, 0] && g.field[2, 0] == "O" && g.field[1, 1] == "") button = "4";
// if (g.field[0, 1] == g.field[2, 1] && g.field[2, 1] == "O" && g.field[1, 1] == "") button = "5";
// if (g.field[0, 2] == g.field[2, 2] && g.field[2, 2] == "O" && g.field[1, 1] == "") button = "6";
// Chech diagnally from top to bottom, both X and O
if (g.field[0, 0] == g.field[1, 1] && g.field[1, 1] == "O" && g.field[2, 2] == "")
{
button = "9";
}
if (g.field[0, 2] == g.field[1, 1] && g.field[1, 1] == "O" && g.field[2, 0] == "")
{
button = "7";
}
// if (g.field1 == g.field5 && g.field5 == "O" && g.field9 == "") button = "9";
// if (g.field3 == g.field5 && g.field5 == "O" && g.field7 == "") button = "7";
// Chech diagnally from bottom to top, both X and O
if (g.field[2, 0] == g.field[1, 1] && g.field[1, 1] == "O" && g.field[0, 2] == "")
{
button = "3";
}
if (g.field[2, 2] == g.field[1, 1] && g.field[1, 1] == "O" && g.field[0, 0] == "")
{
button = "1";
}
// if (g.field7 == g.field5 && g.field5 == "O" && g.field3 == "") button = "3";
// if (g.field9 == g.field5 && g.field5 == "O" && g.field1 == "") button = "1";
// if none of the above (winning moves) can be made - see if enemy can win
if (button == "")
{
// Checks every row from left to right, both X and O
if (g.field[0, 0] == g.field[0, 1] && g.field[0, 1] == "X" && g.field[0, 2] == "")
{
button = "3";
}
if (g.field[1, 0] == g.field[1, 1] && g.field[1, 1] == "X" && g.field[1, 2] == "")
{
button = "6";
}
if (g.field[2, 0] == g.field[2, 1] && g.field[2, 1] == "X" && g.field[2, 2] == "")
{
button = "9";
}
// if (g.field1 == g.field2 && g.field2 == "O" && g.field3 == "") button = "3";
// if (g.field4 == g.field5 && g.field5 == "O" && g.field6 == "") button = "6";
// if (g.field7 == g.field8 && g.field8 == "O" && g.field9 == "") button = "9";
// Checks every row from right to left, both X and O
if (g.field[0, 2] == g.field[0, 1] && g.field[0, 1] == "X" && g.field[0, 0] == "")
{
button = "1";
}
if (g.field[1, 2] == g.field[1, 1] && g.field[1, 1] == "X" && (g.field[1, 0]) == "")
{
button = "4";
}
if (g.field[2, 2] == g.field[2, 1] && g.field[2, 1] == "X" && g.field[2, 0] == "")
{
button = "7";
}
// if (g.field3 == g.field2 && g.field3 == "O" && g.field1 == "") button = "1";
// if (g.field6 == g.field5 && g.field6 == "O" && g.field4 == "") button = "4";
// if (g.field9 == g.field8 && g.field9 == "O" && g.field7 == "") button = "7";
// Check every row for side match, both X and O
if (g.field[0, 0] == g.field[0, 2] && g.field[0, 2] == "X" && g.field[0, 1] == "")
{
button = "2";
}
if (g.field[1, 0] == g.field[1, 2] && g.field[1, 2] == "X" && g.field[1, 1] == "")
{
button = "5";
}
if (g.field[2, 0] == g.field[2, 2] && g.field[2, 2] == "X" && g.field[2, 1] == "")
{
button = "8";
}
// if (g.field[0, 0] == g.field[0, 2] && g.field[0, 2] == "O" && g.field[0, 1] == "") button = "2";
// if (g.field[1, 0] == g.field[1, 2] && g.field[1, 2] == "O" && g.field[1, 1] == "") button = "5";
// if (g.field[2, 0] == g.field[2, 2] && g.field[2, 2] == "O" && g.field[2, 1] == "") button = "8";
// Check every colum from top to bottom, both X and O
if (g.field[0, 0] == g.field[1, 0] && g.field[1, 0] == "X" && g.field[2, 0] == "")
{
button = "7";
}
if (g.field[0, 1] == g.field[1, 1] && g.field[1, 1] == "X" && g.field[2, 2] == "")
{
button = "8";
}
if (g.field[0, 2] == g.field[1, 2] && g.field[1, 2] == "X" && g.field[2, 2] == "")
{
button = "9";
}
// if (g.field1 == g.field4 && g.field4 == "O" && g.field7 == "") button = "7";
// if (g.field2 == g.field5 && g.field5 == "O" && g.field8 == "") button = "8";
// if (g.field3 == g.field6 && g.field6 == "O" && g.field9 == "") button = "9";
// Check every colum from bottom to top, both X and O
if (g.field[2, 0] == g.field[1, 0] && g.field[1, 0] == "X" && g.field[0, 0] == "")
{
button = "1";
}
if (g.field[2, 1] == g.field[1, 1] && g.field[1, 1] == "X" && g.field[0, 1] == "")
{
button = "2";
}
if (g.field[2, 2] == g.field[1, 2] && g.field[1, 2] == "X" && g.field[0, 2] == "")
{
button = "3";
}
// if (g.field7 == g.field4 && g.field4 == "O" && g.field1 == "") button = "1";
// if (g.field8 == g.field5 && g.field5 == "O" && g.field2 == "") button = "2";
// if (g.field9 == g.field6 && g.field6 == "O" && g.field3 == "") button = "3";
// Check every colum for side match, both X and O
if (g.field[0, 0] == g.field[2, 0] && g.field[2, 0] == "X" && g.field[1, 0] == "")
{
button = "4";
}
if (g.field[0, 1] == g.field[2, 1] && g.field[2, 1] == "X" && g.field[1, 1] == "")
{
button = "5";
}
if (g.field[0, 2] == g.field[2, 2] && g.field[2, 2] == "X" && g.field[1, 2] == "")
{
button = "6";
}
// if (g.field[0, 0] == g.field[2, 0] && g.field[2, 0] == "O" && g.field[1, 1] == "") button = "4";
// if (g.field[0, 1] == g.field[2, 1] && g.field[2, 1] == "O" && g.field[1, 1] == "") button = "5";
// if (g.field[0, 2] == g.field[2, 2] && g.field[2, 2] == "O" && g.field[1, 1] == "") button = "6";
// Chech diagnally from top to bottom, both X and O
if (g.field[0, 0] == g.field[1, 1] && g.field[1, 1] == "X" && g.field[2, 2] == "")
{
button = "9";
}
if (g.field[0, 2] == g.field[1, 1] && g.field[1, 1] == "X" && g.field[2, 0] == "")
{
button = "7";
}
// if (g.field1 == g.field5 && g.field5 == "O" && g.field9 == "") button = "9";
// if (g.field3 == g.field5 && g.field5 == "O" && g.field7 == "") button = "7";
// Chech diagnally from bottom to top, both X and O
if (g.field[2, 0] == g.field[1, 1] && g.field[1, 1] == "X" && g.field[0, 2] == "")
{
button = "3";
}
if (g.field[2, 2] == g.field[1, 1] && g.field[1, 1] == "X" && g.field[0, 0] == "")
{
button = "1";
}
// if (g.field7 == g.field5 && g.field5 == "O" && g.field3 == "") button = "3";
// if (g.field9 == g.field5 && g.field5 == "O" && g.field1 == "") button = "1";
}
// returns button value if not ""
if (button != "")
{
return(button);
}
return("");
}
/// <summary>
/// Checks for a winner
/// </summary>
/// <param name="g"></param>
/// <returns>Winner - Possible: X,O</returns>
public static string DicideWinner(PlayField g)
{
// Check every row
if (g.field[0, 0] == g.field[0, 1] && g.field[0, 1] == g.field[0, 2] && g.field[0, 2] == "X")
{
return("X");
}
if (g.field[1, 0] == g.field[1, 1] && g.field[1, 1] == g.field[1, 2] && g.field[1, 2] == "X")
{
return("X");
}
if (g.field[2, 0] == g.field[2, 1] && g.field[2, 1] == g.field[2, 2] && g.field[2, 2] == "X")
{
return("X");
}
if (g.field[0, 0] == g.field[0, 1] && g.field[0, 1] == g.field[0, 2] && g.field[0, 2] == "O")
{
return("O");
}
if (g.field[1, 0] == g.field[1, 1] && g.field[1, 1] == g.field[1, 2] && g.field[1, 2] == "O")
{
return("O");
}
if (g.field[2, 0] == g.field[2, 1] && g.field[2, 1] == g.field[2, 2] && g.field[2, 2] == "O")
{
return("O");
}
// Check every colum
if (g.field[0, 0] == g.field[1, 0] && g.field[1, 0] == g.field[2, 0] && g.field[2, 0] == "X")
{
return("X");
}
if (g.field[0, 1] == g.field[1, 1] && g.field[1, 1] == g.field[2, 1] && g.field[2, 1] == "X")
{
return("X");
}
if (g.field[0, 2] == g.field[1, 2] && g.field[1, 2] == g.field[2, 2] && g.field[2, 2] == "X")
{
return("X");
}
if (g.field[0, 0] == g.field[1, 0] && g.field[1, 0] == g.field[2, 0] && g.field[2, 0] == "O")
{
return("O");
}
if (g.field[0, 1] == g.field[1, 1] && g.field[1, 1] == g.field[2, 1] && g.field[2, 1] == "O")
{
return("O");
}
if (g.field[0, 2] == g.field[1, 2] && g.field[1, 2] == g.field[2, 2] && g.field[2, 2] == "O")
{
return("O");
}
// Chech diagnally
if (g.field[0, 0] == g.field[1, 1] && g.field[1, 1] == g.field[2, 2] && g.field[2, 2] == "X")
{
return("X");
}
if (g.field[2, 0] == g.field[1, 1] && g.field[1, 1] == g.field[2, 0] && g.field[2, 0] == "X")
{
return("X");
}
if (g.field[0, 0] == g.field[1, 1] && g.field[1, 1] == g.field[2, 2] && g.field[2, 2] == "O")
{
return("O");
}
if (g.field[2, 0] == g.field[1, 1] && g.field[1, 1] == g.field[2, 0] && g.field[2, 0] == "O")
{
return("O");
}
return("");
}