/// <summary>
/// IsWinningMove helps the AI determine what the next winning move is based on the Row and Column
/// </summary>
/// <returns></returns>
public bool IsWinningMove()
{
///Checks for the first row if the there has been a winning move
if (!saBoard[0, 0].Equals(" ") && saBoard[0, 0].Equals(saBoard[0, 1]) && saBoard[0, 1].Equals(saBoard[0, 2]))
{
///sets the winning move to Row1
eWinningMove = WinningMove.Row1;
return(true);
}
///Checks for the second row if the there has been a winning move
if (!saBoard[1, 0].Equals(" ") && saBoard[1, 0].Equals(saBoard[1, 1]) && saBoard[1, 1].Equals(saBoard[1, 2]))
{
///sets the winning move to Row2
eWinningMove = WinningMove.Row2;
return(true);
}
///Checks for the third row if the there has been a winning move
if (!saBoard[2, 0].Equals(" ") && saBoard[2, 0].Equals(saBoard[2, 1]) && saBoard[2, 1].Equals(saBoard[2, 2]))
{
///sets the winning move to Row2
eWinningMove = WinningMove.Row3;
return(true);
}
///Checks for the first col if the there has been a winning move
if (!saBoard[0, 0].Equals(" ") && saBoard[0, 0].Equals(saBoard[1, 0]) && saBoard[1, 0].Equals(saBoard[2, 0]))
{
///sets the winning move to Col1
eWinningMove = WinningMove.Col1;
return(true);
}
///Checks for the second col if the there has been a winning move
if (!saBoard[0, 1].Equals(" ") && saBoard[0, 1].Equals(saBoard[1, 1]) && saBoard[1, 1].Equals(saBoard[2, 1]))
{
///sets the winning move to Col2
eWinningMove = WinningMove.Col2;
return(true);
}
///Checks for the third col if the there has been a winning move
if (!saBoard[0, 2].Equals(" ") && saBoard[0, 2].Equals(saBoard[1, 2]) && saBoard[1, 2].Equals(saBoard[2, 2]))
{
///sets the winning move to Col3
eWinningMove = WinningMove.Col3;
return(true);
}
///Checks for the first diagonal if the there has been a winning move
if (!saBoard[0, 0].Equals(" ") && saBoard[0, 0].Equals(saBoard[1, 1]) && saBoard[1, 1].Equals(saBoard[2, 2]))
{
///sets the winning move to Diag1
eWinningMove = WinningMove.Diag1;
return(true);
}
///Checks for the second diagonal if the there has been a winning move
if (!saBoard[2, 0].Equals(" ") && saBoard[2, 0].Equals(saBoard[1, 1]) && saBoard[1, 1].Equals(saBoard[0, 2]))
{
///sets the winning move to Diag2
eWinningMove = WinningMove.Diag2;
return(true);
}
return(false);
}
private void DisplayWinningLine(WinningMove winningMove)
{
switch (winningMove)
{
case WinningMove.Row1:
btnPos0.BackColor = Color.Yellow;
btnPos1.BackColor = Color.Yellow;
btnPos2.BackColor = Color.Yellow;
break;
case WinningMove.Row2:
btnPos3.BackColor = Color.Yellow;
btnPos4.BackColor = Color.Yellow;
btnPos5.BackColor = Color.Yellow;
break;
case WinningMove.Row3:
btnPos6.BackColor = Color.Yellow;
btnPos7.BackColor = Color.Yellow;
btnPos8.BackColor = Color.Yellow;
break;
case WinningMove.Col1:
btnPos0.BackColor = Color.Yellow;
btnPos3.BackColor = Color.Yellow;
btnPos6.BackColor = Color.Yellow;
break;
case WinningMove.Col2:
btnPos1.BackColor = Color.Yellow;
btnPos4.BackColor = Color.Yellow;
btnPos7.BackColor = Color.Yellow;
break;
case WinningMove.Col3:
btnPos2.BackColor = Color.Yellow;
btnPos5.BackColor = Color.Yellow;
btnPos8.BackColor = Color.Yellow;
break;
case WinningMove.Diag1:
btnPos0.BackColor = Color.Yellow;
btnPos4.BackColor = Color.Yellow;
btnPos8.BackColor = Color.Yellow;
break;
case WinningMove.Diag2:
btnPos2.BackColor = Color.Yellow;
btnPos4.BackColor = Color.Yellow;
btnPos6.BackColor = Color.Yellow;
break;
}
}
/// <summary>
/// Checks to see if there was a Vertical winning move then sets then stores which Vertical
/// the winning move was.
/// </summary>
/// <returns></returns>
public bool isVertical()
{
//Check Player 1 Col 1
if (board[0, 0].Equals("X") && board[1, 0].Equals("X") && board[2, 0].Equals("X"))
{
eWinningMove = WinningMove.Col1;
winningPlayer = Player.player1;
return(true);
}
//Check Player 1 Col 2
if (board[0, 1].Equals("X") && board[1, 1].Equals("X") && board[2, 1].Equals("X"))
{
eWinningMove = WinningMove.Col2;
winningPlayer = Player.player1;
return(true);
}
//Check Player 1 Col 3
if (board[0, 2].Equals("X") && board[1, 2].Equals("X") && board[2, 2].Equals("X"))
{
eWinningMove = WinningMove.Col3;
winningPlayer = Player.player1;
return(true);
}
//Check Player 2 Col 1
if (board[0, 0].Equals("O") && board[1, 0].Equals("O") && board[2, 0].Equals("O"))
{
eWinningMove = WinningMove.Col1;
winningPlayer = Player.player2;
return(true);
}
//Check Player 2 Col 2
if (board[0, 1].Equals("O") && board[1, 1].Equals("O") && board[2, 1].Equals("O"))
{
eWinningMove = WinningMove.Col2;
winningPlayer = Player.player2;
return(true);
}
//Check Player 2 Col 3
if (board[0, 2].Equals("O") && board[1, 2].Equals("O") && board[2, 2].Equals("O"))
{
eWinningMove = WinningMove.Col3;
winningPlayer = Player.player2;
return(true);
}
return(false);
}
/// <summary>
/// Resets the game board back to being full of empty strings
/// </summary>
public void ResetBoard()
{
// Row
for (int i = 0; i < saBoard.GetLength(0); i++)
{
// Column
for (int j = 0; j < saBoard.GetLength(1); j++)
{
saBoard[i, j] = "";
}
}
eWinningMove = WinningMove.None;
}
/// <summary>
/// Checks to see if there was a horizontal winning move then sets then stores which horizontal
/// the winning move was.
/// </summary>
/// <returns></returns>
public bool isHorizontal()
{
//Check Player 1 Row 1
if (board[0, 0].Equals("X") && board[0, 1].Equals("X") && board[0, 2].Equals("X"))
{
eWinningMove = WinningMove.Row1;
winningPlayer = Player.player1;
return(true);
}
//Check Player 1 Row 2
if (board[1, 0].Equals("X") && board[1, 1].Equals("X") && board[1, 2].Equals("X"))
{
eWinningMove = WinningMove.Row2;
winningPlayer = Player.player1;
return(true);
}
//Check Player 1 Row 3
if (board[2, 0].Equals("X") && board[2, 1].Equals("X") && board[2, 2].Equals("X"))
{
eWinningMove = WinningMove.Row3;
winningPlayer = Player.player1;
return(true);
}
//Check Player 2 Row 1
if (board[0, 0].Equals("O") && board[0, 1].Equals("O") && board[0, 2].Equals("O"))
{
eWinningMove = WinningMove.Row1;
winningPlayer = Player.player2;
return(true);
}
//Check Player 2 Row 2
if (board[1, 0].Equals("O") && board[1, 1].Equals("O") && board[1, 2].Equals("O"))
{
eWinningMove = WinningMove.Row2;
winningPlayer = Player.player2;
return(true);
}
//Check Player 2 Row 3
if (board[2, 0].Equals("O") && board[2, 1].Equals("O") && board[2, 2].Equals("O"))
{
eWinningMove = WinningMove.Row3;
winningPlayer = Player.player2;
return(true);
}
return(false);
}
/// <summary>
/// Reset the board to blank tiles
/// </summary>
public void reset()
{
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
board[i, j] = "";
}
}
bIsGameStarted = true;
turnTracker = Player.player1;
winFlag = false;
eWinningMove = WinningMove.None;
}
/// <summary>
/// Checks each column of the board to see if there is a vertical win
/// </summary>
/// <returns>Returns true if there is a vertical win, false if not</returns>
private bool IsVertical()
{
// For each column
for (int i = 0; i < 3; i++)
{
// If all marks in column are the same as the current mark, set eWinningMove to corresponding column and return true
if (saBoard[0, i] == sCurrentMark && saBoard[1, i] == sCurrentMark && saBoard[2, i] == sCurrentMark)
{
// Uses integer value of WinningMove to determine which row is set as eWinningMove (values 3-5)
eWinningMove = (WinningMove)(i + 3);
return(true);
}
}
return(false);
}
/// <summary>
/// Checks each row of the board to see if there is a horizontal win
/// </summary>
/// <returns>Returns true if there is a horizontal win, false if not</returns>
private bool IsHorizontal()
{
// for each row
for (int i = 0; i < 3; i++)
{
// If all marks in row are the same as the current mark, set eWinningMove to corresponding row and return true
if (saBoard[i, 0] == sCurrentMark && saBoard[i, 1] == sCurrentMark && saBoard[i, 2] == sCurrentMark)
{
// Uses integer value of WinningMove to determine which row is set as eWinningMove (values 0-2)
eWinningMove = (WinningMove)i;
return(true);
}
}
return(false);
}
/// <summary>
/// Checks each diagonal of the board to see if there is a diagonal win
/// </summary>
/// <returns>Returns true if there is a diagonal win, false if not</returns>
private bool IsDiag()
{
// If all marks on Diag1 (0-0,1-1,2-2) are the same as the current mark, set eWinningMove to Diag1
if (saBoard[0, 0] == sCurrentMark && saBoard[1, 1] == sCurrentMark && saBoard[2, 2] == sCurrentMark)
{
eWinningMove = WinningMove.Diag1;
return(true);
}
// If all marks on Diag2 (0-2,1-1,2-0) are the same as the current mark, set eWinningMove to Diag2
else if (saBoard[0, 2] == sCurrentMark && saBoard[1, 1] == sCurrentMark && saBoard[2, 0] == sCurrentMark)
{
eWinningMove = WinningMove.Diag2;
return(true);
}
return(false);
}
/// <summary>
/// Determines if there is a diagonal win on the board and which diagonal win it is
/// </summary>
private bool isDiagWin()
{
if (saBoard[0, 0] == saBoard[1, 1] && saBoard[1, 1] == saBoard[2, 2] && saBoard[0, 0] != " ")
{
eWinningMove = WinningMove.Diag1;
return(true);
}
else if (saBoard[0, 2] == saBoard[1, 1] && saBoard[1, 1] == saBoard[2, 0] && saBoard[0, 2] != " ")
{
eWinningMove = WinningMove.Diag2;
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// Determines if there is a horizontal win on the board and which horizontal win it is
/// </summary>
private bool isHorzWin()
{
if (saBoard[0, 0] == saBoard[1, 0] && saBoard[1, 0] == saBoard[2, 0] && saBoard[0, 0] != " ")
{
eWinningMove = WinningMove.Row1;
return(true);
}
else if (saBoard[0, 1] == saBoard[1, 1] && saBoard[1, 1] == saBoard[2, 1] && saBoard[0, 1] != " ")
{
eWinningMove = WinningMove.Row2;
return(true);
}
else if (saBoard[0, 2] == saBoard[1, 2] && saBoard[1, 2] == saBoard[2, 2] && saBoard[0, 2] != " ")
{
eWinningMove = WinningMove.Row3;
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// Determines if there is a vertical win on the board and which vertical win it is
/// </summary>
private bool isVertWin()
{
if (saBoard[0, 0] == saBoard[0, 1] && saBoard[0, 1] == saBoard[0, 2] && saBoard[0, 0] != " ")
{
eWinningMove = WinningMove.Col1;
return(true);
}
else if (saBoard[1, 0] == saBoard[1, 1] && saBoard[1, 1] == saBoard[1, 2] && saBoard[1, 0] != " ")
{
eWinningMove = WinningMove.Col2;
return(true);
}
else if (saBoard[2, 0] == saBoard[2, 1] && saBoard[2, 1] == saBoard[2, 2] && saBoard[2, 0] != " ")
{
eWinningMove = WinningMove.Col3;
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// Checks to see if there was a diagonal winning move then sets then stores which diagonal
/// the winning move was.
/// </summary>
/// <returns></returns>
public bool isDiagonal()
{
//Check Player 1 Diagonal 1
if (board[0, 0].Equals("X") && board[1, 1].Equals("X") && board[2, 2].Equals("X"))
{
eWinningMove = WinningMove.Diag1;
winningPlayer = Player.player1;
return(true);
}
//Check Player 1 Diagonal 2
if (board[0, 2].Equals("X") && board[1, 1].Equals("X") && board[2, 0].Equals("X"))
{
eWinningMove = WinningMove.Diag1;
winningPlayer = Player.player1;
return(true);
}
//Check Player 2 Diagonal 1
if (board[0, 0].Equals("O") && board[1, 1].Equals("O") && board[2, 2].Equals("O"))
{
eWinningMove = WinningMove.Diag2;
winningPlayer = Player.player2;
return(true);
}
//Check Player 2 Diagonal 2
if (board[0, 2].Equals("O") && board[1, 1].Equals("O") && board[2, 0].Equals("O"))
{
eWinningMove = WinningMove.Diag2;
winningPlayer = Player.player2;
return(true);
}
return(false);
}
/// <summary>
/// is that the winning move
/// </summary>
/// <returns></returns>
public bool IsWinningMove()
{
eWinningMove = WinningMove.Row2;
return(false);
}
private MoveWinsGameCheck CheckMoveWinsGame()
{
WinningMove winningMovePos = WinningMove.Row1;
bool horizontalCheck = false;
if (GameBoard[0] == GameBoard[1] && GameBoard[1] == GameBoard[2])
{
winningMovePos = WinningMove.Row1;
horizontalCheck = true;
WinningMoves = new List <string>()
{
"0,0",
"0,1",
"0,2"
};
}
else if (GameBoard[3] == GameBoard[4] && GameBoard[4] == GameBoard[5])
{
winningMovePos = WinningMove.Row2;
horizontalCheck = true;
WinningMoves = new List <string>()
{
"1,0",
"1,1",
"1,2"
};
}
else if (GameBoard[6] == GameBoard[7] && GameBoard[7] == GameBoard[8])
{
winningMovePos = WinningMove.Row3;
horizontalCheck = true;
WinningMoves = new List <string>()
{
"2,0",
"2,1",
"2,2"
};
}
bool verticalCheck = false;
if (GameBoard[0] == GameBoard[3] && GameBoard[3] == GameBoard[6])
{
winningMovePos = WinningMove.Col1;
verticalCheck = true;
WinningMoves = new List <string>()
{
"0,0",
"1,0",
"2,0"
};
}
else if (GameBoard[1] == GameBoard[4] && GameBoard[4] == GameBoard[7])
{
winningMovePos = WinningMove.Col2;
verticalCheck = true;
WinningMoves = new List <string>()
{
"0,1",
"1,1",
"2,1"
};
}
else if (GameBoard[2] == GameBoard[5] && GameBoard[5] == GameBoard[8])
{
winningMovePos = WinningMove.Col3;
verticalCheck = true;
WinningMoves = new List <string>()
{
"0,2",
"1,2",
"2,2"
};
}
bool diagonalCheck = false;
if (GameBoard[0] == GameBoard[4] && GameBoard[4] == GameBoard[8])
{
winningMovePos = WinningMove.Diag1;
diagonalCheck = true;
WinningMoves = new List <string>()
{
"0,0",
"1,1",
"2,2"
};
}
else if (GameBoard[2] == GameBoard[4] && GameBoard[4] == GameBoard[6])
{
winningMovePos = WinningMove.Diag2;
diagonalCheck = true;
WinningMoves = new List <string>()
{
"0,2",
"1,1",
"2,0"
};
}
string winningGameMessage = string.Empty;
bool moveWinsGame = false;
if (horizontalCheck || verticalCheck || diagonalCheck)
{
moveWinsGame = true;
WinningPlayer = PlayerSwitch + 1;
winningGameMessage = $"Congratulations!! Player { WinningPlayer } wins!";
GameStatusMessage = CurrentPlayerIsUser ? "Congratulations you win" : "Unlucky the computer wins";
}
var moveWinsGameCheck = new MoveWinsGameCheck()
{
MoveWinsGame = moveWinsGame,
WinningMovePos = winningMovePos,
WinningGameMessage = winningGameMessage,
GameComplete = moveWinsGame,
};
return(moveWinsGameCheck);
}
