University of Wisconsin-Milwaukee College of Business Administration Course: Obj

Question

University of Wisconsin-Milwaukee

                                                  College of Business Administration

Course:                        Object-Oriented Programming (BUSADM 432)

Professor:                    Dr. Kurt A. Pflughoeft

Homework:                 #5 – Intelligent Tic Tac Toe

Date Assigned:            April 10, 2018

Date Due:                    April 24, 2018

Modify the Tic Tac Toe program that I presented in class. I got the original procedural version from this web site:

            https://rosettacode.org/wiki/Tic-tac-toe#C.23

I modified the code slightly to place it in a class. (i.e. converted the procedural code to an OO paradigm)

In the procedural code, there are some alternatives for selectedMove which are commented out. I chose the getRandomMove option for the computer. I would like you to choose a more intelligent option such as getBestMove - see below.

   /*================================================================
     *Move Logic
     *================================================================*/
    static int getMoveFor(int player)
    {
      if (player == Human)
        return getManualMove(player);
      else
      {
        //int selectedMove = getManualMove(player);
        //int selectedMove = getRandomMove(player);
        int selectedMove = getSemiRandomMove(player);
        //int selectedMove = getBestMove(player);
        Console.WriteLine("{0} selects position {1}.", playerName(player), selectedMove + 1);
        return selectedMove;
      }
    }

Once you got the more advanced logic working, I would like you to convert it to a GUI program (i.e. Windows Form program). Thus, you will remove Console.WriteLines and Console.Readlines and rely on the control objects in the GUI for input and output.

Happy computing.

Check the syllabus under homework policy as to what format is required for assignments to turn in for D2L.

Please put the actual code and screenshouts of output

Explanation / Answer

void InitializeBoard(char board[ROWS][COLS])
{
char index = '1';
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
board[i][j] = index;
index++;
}
}
}

void DisplayBoard(char board[ROWS][COLS])
{
for (int i = 0; i < 3; i++)
{
for (int j = 0; j < 3; j++)
{
printf("%c", board[i][j]);
if (j != 2)
printf("|");
}
if (i != 2)
printf(" ---------");
printf(" ");
}
}

//Calculate the position after the moves

int PositionCalculation(char board[3][3], int selection, char input)
{
int column = selection % 3;
int row = selection / 3;

if (column == 0)
{
column += 3;
row -= 1;
}

if (board[row][column - 1] == 'o' || board[row][column - 1] == 'x')
return -1;

board[row][column - 1] = input;
return 0;
}

// Condition check for a win

bool ROWSCheck(char board[ROWS][COLS])
{
for (int i = 0; i < ROWS; i++)
{
if (board[i][0] == board[i][1] && board[i][1] == board[i][2])
return true;
}
}

bool COLSCheck(char board[ROWS][COLS])
{
for (int i = 0; i < COLS; i++)
{
if (board[0][i] == board[1][i] && board[1][i] == board[2][i])
return true;
}
}

bool DiagonalCheck(char board[ROWS][COLS])
{
if ((board[0][0] == board[1][1] && board[1][1] == board[2][2]) || (board[0][2] == board[1][1] && board[1][1] == board[2][0]))
return true;
}

// Main Program

#define ROWS 3
#define COLS 3

void TicTacToe()
{

int selection = 0;
int counter = 0;
int checker = 0;
char board[ROWS][COLS];

BoardInitializer(board);
DrawBoard(board);

while (counter != 9)
{
if (counter % 2 == 0)
{
printf(" Please input where you want to place X: ");
scanf(" %d", &selection);

SCANX:
while (selection < 0 || selection > 10)
{
printf("Invalid input, please try again: ");
scanf(" %d", &selection);
}

printf(" ");
checker = PositionCalculation(board, selection, 'x');

if (checker == -1)
{
selection = -1;
goto SCANX;
}

DrawBoard(board);
counter++;

if (counter > 3)
{
if (ROWSCheck(board) == true || COLSCheck(board) == true || DiagonalCheck(board) == true)
goto XWINS;
}
}
else
{
printf(" Please input where you want to place O: ");
scanf(" %d", &selection);

SCANO:
while (selection < 0 || selection > 10)
{
printf("Invalid input, please try again: ");
scanf(" %d", &selection);
}
printf(" ");

checker = PositionCalculation(board, selection, 'o');
if (checker == -1)
{
selection = -1;
goto SCANO;
}

DrawBoard(board);
counter++;

if (counter > 3)
{
if (ROWSCheck(board) == true || COLSCheck(board) == true || DiagonalCheck(board) == true)
goto OWINS;

}
}
}
printf("Its a draw ");
goto ENDPROGRAM;

XWINS:
printf(" X wins! ");
goto ENDPROGRAM;
OWINS:
printf(" O wins ");
goto ENDPROGRAM;

ENDPROGRAM:
return;
}

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