Below is my source code for a tictactoe program. However, my output after first move always states invalid choice, no matter what number I enter?
#include <iostream>
#include <string>
#include <cmath>
using namespace std;
class TicTacToe
{
public:
TicTacToe(); // constructor
int Pick_Player(); // member function
int Pick_Row(); // member functions
int Pick_Column(); // member functions
int Check_Board(); // member function
void Choice_by_Player(int); // member functions
void Choice_of_Row(int); // member functions
void Choice_of_Column(int); // member functions
void Tic_Tac_Toe_Board(); // member functions
bool Check_Move(int,int); // member functions
private:
int row;
int column;
int player;
int board[3][3];
char display_board[3][3];
};
TicTacToe::TicTacToe()//:row(0):column(0):player(1):board(0)(0):display_board(' ')(' ')
{
row = 0;
column = 0;
player = 1;
int i = 0;
int j = 0;
for ( i = 0; i < 3; i++)
{
for ( j = 0; j < 3; j++)
{
board[i][j] = 0;
display_board[i][j] = ' ';
}
}
}
int TicTacToe::Pick_Player()
{
return player;
}
int TicTacToe::Pick_Row()
{
return row;
}
int TicTacToe::Pick_Column()
{
return column;
}
void TicTacToe::Choice_by_Player(int a)
{
player = a;
}
void TicTacToe::Choice_of_Row(int b)
{
row = b;
}
void TicTacToe::Choice_of_Column(int c)
{
column = c;
}
bool TicTacToe::Check_Move(int row, int column)
{
row = 0;
column = 0;
if ( row != 0 && row != 1 && row != 2 )
{
cout << " Invalid choice!!";
cout << endl;
return 0;
}
else if ( column != 0 && column != 1 && column != 2 )
{
cout << " Invalid choice!! " << endl;
return 0;
}
else if ( board[row][column] == 1 || board[row][column] == 2)
{
cout << " Space already used. Try Again. " << endl;
return 0;
}
else
{
board[row][column] = player;
return 1;
}
} // end of Check_Move
int TicTacToe::Check_Board()
{
int i = 0;
int j = 0;
int sum = 0;
int test = 0;
int count = 0;
for (i = 0; i < 3; i++)
{
sum = 0;
for ( j = 0; j < 3; j++)
{
if (board[i][j] == 0)
{
count++;
}
sum += (board[i][j] * board[i][j]);
}
if ( sum == 3 || sum == 12)
{
test = sum;
break;
}
sum = 0;
} // end of for loop
for ( j = 0; j < 3; j++)
{
sum = 0;
for ( i = 0; i < 3; i++)
{
sum += (board[i][j] * board[i][j]);
}
if ( sum == 3 || sum == 12)
{
test = sum;
break;
}
sum = 0;
} // end of for loop
if ( test != 3 || test != 12)
{
sum = (board[0][0] * board[0][0])+ (board[1][1] * board[1][1]) + (board[2][2] * board[2][2]);
if ( sum == 3 || sum == 12)
{
test = sum;
}
} // end of if condition
if (test != 3 || test != 12)
{
sum = (board[2][0] * board[2][0])+ (board[1][1] * board[1][1]) + (board[0][2] * board[0][2]);
if ( sum == 3 || sum == 12 )
{
test = sum;
}
} // end of if condition
// }
if ( test == 3)
{
test = 1;
}
else if ( test == 12)
{
test = 2;
}
else if ( count == 0)
{
test = 3;
}
else
{
test = 0;
}
return test;
} // end of Check_Board
void TicTacToe::Tic_Tac_Toe_Board()
{
for ( int row = 0; row < 3; row ++)
{
for ( int column = 0; column < 3; column++)
{
if ( board[row][column] == 0)
{
display_board[row][column] = ' ';
}
if ( board[row][column] == 1)
{
display_board[row][column] = 'X';
}
if ( board[row][column] == 2)
{
display_board[row][column] = 'O';
}
} // end of inner for loop
} // end of outer for loop
cout << " Let's Play Tic-Tac-Toe! " << endl;
cout << " Current Player: X Current Player: O " << endl;
cout << endl;
cout << " | | " << endl;
cout << " | | " << endl;
cout << display_board[0][0] << " | " << display_board[0][1] << " | " << display_board[0][2] << " " << endl;
cout << " | | " << endl;
cout << "-----------------------------------------------" << endl;
cout << " | | " << endl;
cout << " | | " << endl;
cout << display_board[1][0] << " | " << display_board[1][1] << " | " << display_board[1][2] << " " << endl;
cout << " | | " << endl;
cout << "-----------------------------------------------" << endl;
cout << " | | " << endl;
cout << display_board[2][0] << " | " << display_board[2][1] << " | " << display_board[2][2] << " " << endl;
cout << " | | " << endl;
cout << " | | " << endl;
} // end of Tic_Tac_Toe_Board
int main()
{
TicTacToe game;
bool test;
bool more = true;
int row = 0;
int column= 0;
int player;
int check = 0;
TicTacToe();
while ( more )
{
game.Tic_Tac_Toe_Board();
player = game.Pick_Player();
cout << " Current Player " << player;
cout << endl;
cout << " Enter Row Index ( 0,1,2): " ;
cout << endl;
cin >> row;
cout << " Enter Column Index (0,1,2): " << endl;
cin >> column;
game.Choice_of_Row(row);
game.Choice_of_Column(column);
test = game.Check_Move( game.Pick_Row(), game.Pick_Column());
if ( test == 1)
{
check = game.Check_Board();
}
else
{
while ( test == 0 )
{
cout << " Current Player " << game.Pick_Player() <<" Invalid Choice" << endl;
cout << " Enter Row Index ( 0,1,2): " ;
cin >> row;
cout << endl;
cout << " Enter Column Index ( 0,1,2): " ;
cin >> column;
cout << endl;
game.Choice_of_Row(row);
game.Choice_of_Column(column);
test = game.Check_Move(game.Pick_Row(),game.Pick_Column());
} // end of while loop
check = game.Check_Board();
}
if ( check == 1 || check == 2)
{
break;
}
else if ( check == 3 )
{
game.Tic_Tac_Toe_Board();
cout << " The game is tied. " << endl;
}
if ( player == 1)
{
player = 2;
}
else
{
player = 1;
}
game.Choice_by_Player(player);
} // end of outer while loop
game.Tic_Tac_Toe_Board();
cout << " Player " << check << " wins. " << endl;
return 0;
} // end of main function
Let's Play Tic-Tac-Toe!
Current Player: X Current Player: O
| |
| |
| |
| |
-----------------------------------------------
| |
| |
| |
| |
-----------------------------------------------
| |
| |
| |
| |
Current Player 1
Enter Row Index ( 0,1,2):
1
Enter Column Index (0,1,2):
1
Let's Play Tic-Tac-Toe!
Current Player: X Current Player: O
| |
| |
X | |
| |
-----------------------------------------------
| |
| |
| |
| |
-----------------------------------------------
| |
| |
| |
| |
Current Player 2
Enter Row Index ( 0,1,2):
2
Enter Column Index (0,1,2):
2
Space already used. Try Again.
Current Player 2 Invalid Choice
Enter Row Index ( 0,1,2): 1
Enter Column Index ( 0,1,2): 2
Space already used. Try Again.
Current Player 2 Invalid Choice
Enter Row Index ( 0,1,2): 00
Enter Column Index ( 0,1,2): 0
Space already used. Try Again.
Current Player 2 Invalid Choice
Enter Row Index ( 0,1,2):
