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Thread: A simple TicTacToe game

  1. 08-16-2007, 06:22 AM #1
    Zunone
    Zunone is offline Newbie
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    A simple TicTacToe game

    Hey, so now, that I started learning C++ I figured I could do a Tic Tac Toe game. So this is my code (i'm a newbie so be harsh on me):

    Code:
    // Krizec Krozec (c) Zunone, 2007

#include "stdafx.h"
#include <iostream>
#include <string>
#include <ctime>
#include <cstdlib>

using namespace std;
// Konstante spreminjanjoce se mreze in char array le te
const int S_MREZA = 3;
char mreza[S_MREZA][S_MREZA] = { {' ',' ',' ',},
												{' ',' ',' ',},
													{' ',' ',' ',} };
// Konstante oblike mreze
const int O_MREZA = 7;

//Prva poteza
bool prvaPoteza;

// Izris mreze za igranje
string izris() {
	string sMreza = "";
	// For loop za izris preproste mreze
	for (int i = 0;i < O_MREZA;i++) 
	{
		if (i == 0)
			sMreza = sMreza + "   0 1 2\n  -------\n";
		if (i == (O_MREZA - 1) ||i == 2 || i == 4)
			sMreza = sMreza + "  -------\n";
		if (i == 1)
			sMreza = sMreza + "0" + " |" + mreza[0][0] + "|" + mreza[0][1] + "|" + mreza[0][2] + "|\n";
		if (i == 3)
			sMreza = sMreza + "1" + " |" + mreza[1][0] + "|" + mreza[1][1] + "|" + mreza[1][2] + "|\n";
		if (i == 5)
			sMreza = sMreza + "2" + " |" + mreza[2][0] + "|" + mreza[2][1] + "|" + mreza[2][2] + "|\n";
	}
	return sMreza;
}
// Funkcija s katero preverjamo zmago
int preveriZmago() {
	//-------------------------X-----------------------------
	// Kombinacije, ki so mozne za navpicno zmago.
	if (mreza[0][0] == 'X' && mreza[0][1] == 'X' && mreza[0][2] == 'X')
		return 37;
	if (mreza[1][0] == 'X' && mreza[1][1] == 'X' && mreza[1][2] == 'X')
		return 37;
	if (mreza[2][0] == 'X' && mreza[2][1] == 'X' && mreza[2][2] == 'X')
		return 37;
	// Kombinacije, ki so mozne za vodoravno zmago
	if (mreza[0][0] == 'X' && mreza[1][0] == 'X' && mreza[2][0] == 'X')
		return 37;
	if (mreza[0][1] == 'X' && mreza[1][1] == 'X' && mreza[2][1] == 'X')
		return 37;
	if (mreza[0][2] == 'X' && mreza[1][2] == 'X' && mreza[2][2] == 'X')
		return 37;
	// Kombinacije, ki so mozne za krizno zmago
	if (mreza[0][0] == 'X' && mreza[1][1] == 'X' && mreza[2][2] == 'X')
		return 37;
	if (mreza[2][0] == 'X' && mreza[1][1] == 'X' && mreza[0][2] == 'X')
		return 37;
	//-------------------------O-----------------------------
	// Kombinacije, ki so mozne za navpicno zmago.
	if (mreza[0][0] == 'O' && mreza[0][1] == 'O' && mreza[0][2] == 'O')
		return 5;
	if (mreza[1][0] == 'O' && mreza[1][1] == 'O' && mreza[1][2] == 'O')
		return 5;
	if (mreza[2][0] == 'O' && mreza[2][1] == 'O' && mreza[2][2] == 'O')
		return 5;
	// Kombinacije, ki so mozne za vodoravno zmago
	if (mreza[0][0] == 'O' && mreza[1][0] == 'O' && mreza[2][0] == 'O')
		return 5;
	if (mreza[0][1] == 'O' && mreza[1][1] == 'O' && mreza[2][1] == 'O')
		return 5;
	if (mreza[0][2] == 'O' && mreza[1][2] == 'O' && mreza[2][2] == 'O')
		return 5;
	// Kombinacije, ki so mozne za krizno zmago
	if (mreza[0][0] == 'O' && mreza[1][1] == 'O' && mreza[2][2] == 'O')
		return 5;
	if (mreza[2][0] == 'O' && mreza[1][1] == 'O' && mreza[0][2] == 'O')
		return 5;
	return 8;
}
// Reset funkcija za resetiranje mreze (priprava na novo igro)
void reset() {
	for (int i = 0;i < S_MREZA;i++)
	{
		for (int j = 0; j < S_MREZA;j++)
		{
			mreza[i][j] = ' ';
		}
	}
	system("cls");
}
// Funkcija, ki preverja, ce je rezultat neodlocen
bool neodloceno() {
	int rowr = 0;
	for (int i = 0;i < S_MREZA;i++)
	{
		for (int j = 0; j < S_MREZA;j++)
		{
			if (mreza[i][j] != ' ')
				rowr++;
		}
	}
	if (rowr == 9) 
		return true;
	return false;
}
// Koliko dolgo bo racunalnik razmisljal
void razmisljaj(unsigned int sec)
{
    clock_t cilj = (sec*1000) + clock();
    while (cilj > clock());
}

// Funkcija s katero racunalnik ovrednoti poteze
int racOvrednoti() {
	//1. Prva poteza
	if (prvaPoteza) {
		srand(time(0));
		int randNum = (rand() % 5);
		switch (randNum) {
			case 0:
				if (mreza[1][1] == ' ') {
					mreza[1][1] = 'O';
					return 0;
				}
			case 1:
				if (mreza[0][0] == ' ') {
					mreza[0][0] = 'O';
					return 0;
				}
			case 2:
				if (mreza[2][2] == ' ') {
					mreza[2][2] = 'O';
					return 0;
				}
			case 3:
				if (mreza[0][2] == ' ') {
					mreza[0][2] = 'O';
					return 0;
				}
			case 4:
				if (mreza[2][0] == ' ') {
					mreza[2][0] = 'O';
					return 0;
				}
		}
		return 0;
	}
	//24 napadalnih potez
	// Vodoravno
	if (mreza[0][0] == 'O' && mreza[0][1] == 'O' && mreza[0][2] == ' ')
		mreza[0][2] = 'O';
	else if (mreza[0][0] == 'O' && mreza[0][1] == ' ' && mreza[0][2] == 'O')
		mreza[0][1] = 'O';
	else if (mreza[0][0] == ' ' && mreza[0][1] == 'O' && mreza[0][2] == 'O')
		mreza[0][0] = 'O';
	else if (mreza[1][0] == 'O' && mreza[1][1] == ' ' && mreza[1][2] == 'O')
		mreza[1][1] = 'O';
	else if (mreza[1][0] == 'O' && mreza[1][1] == 'O' && mreza[1][2] == ' ')
		mreza[1][2] = 'O';
	else if (mreza[1][0] == ' ' && mreza[1][1] == 'O' && mreza[1][2] == 'O')
		mreza[1][0] = 'O';
	else if (mreza[2][0] == ' ' && mreza[2][1] == 'O' && mreza[2][2] == 'O')
		mreza[2][0] = 'O';
	else if (mreza[2][0] == 'O' && mreza[2][1] == ' ' && mreza[2][2] == 'O')
		mreza[2][1] = 'O';
	else if (mreza[2][0] == 'O' && mreza[2][1] == 'O' && mreza[2][2] == ' ')
		mreza[2][2] = 'O';
	// Navpicno
	else if (mreza[0][0] == 'O' && mreza[1][0] == ' ' && mreza[2][0] == 'O')
		mreza[1][0] = 'O';
	else if (mreza[0][0] == 'O' && mreza[1][0] == 'O' && mreza[2][0] == ' ')
		mreza[2][0] = 'O';
	else if (mreza[0][0] == ' ' && mreza[1][0] == 'O' && mreza[2][0] == 'O')
		mreza[0][0] = 'O';
	else if (mreza[0][1] == 'O' && mreza[1][1] == ' ' && mreza[2][1] == 'O')
		mreza[1][1] = 'O';
	else if (mreza[0][1] == ' ' && mreza[1][1] == 'O' && mreza[2][1] == 'O')
		mreza[0][1] = 'O';
	else if (mreza[0][1] == 'O' && mreza[1][1] == 'O' && mreza[2][1] == ' ')
		mreza[2][1] = 'O';
	else if (mreza[0][2] == 'O' && mreza[1][2] == 'O' && mreza[2][2] == ' ')
		mreza[2][2] = 'O';
	else if (mreza[0][2] == 'O' && mreza[1][2] == ' ' && mreza[2][2] == 'O')
		mreza[1][2] = 'O';
	else if (mreza[0][2] == ' ' && mreza[1][2] == 'O' && mreza[2][2] == 'O')
		mreza[0][2] = 'O';
	//Krizno
	else if (mreza[0][0] == ' ' && mreza[1][1] == 'O' && mreza[2][2] == 'O')
		mreza[0][0] = 'O';
	else if (mreza[0][0] == 'O' && mreza[1][1] == ' ' && mreza[2][2] == 'O')
		mreza[1][1] = 'O';
	else if (mreza[0][0] == 'O' && mreza[1][1] == 'O' && mreza[2][2] == ' ')
		mreza[2][2] = 'O';
	else if (mreza[2][0] == ' ' && mreza[1][1] == 'O' && mreza[0][2] == 'O')
		mreza[2][0] = 'O';
	else if (mreza[2][0] == 'O' && mreza[1][1] == ' ' && mreza[0][2] == 'O')
		mreza[1][1] = 'O';
	else if (mreza[2][0] == 'O' && mreza[1][1] == 'O' && mreza[0][2] == ' ')
		mreza[0][2] = 'O';
	//24 obrambnih potez
	// Vodoravno
	else if (mreza[0][0] == 'X' && mreza[0][1] == 'X' && mreza[0][2] == ' ')
		mreza[0][2] = 'O';
	else if (mreza[0][0] == 'X' && mreza[0][1] == ' ' && mreza[0][2] == 'X')
		mreza[0][1] = 'O';
	else if (mreza[0][0] == ' ' && mreza[0][1] == 'X' && mreza[0][2] == 'X')
		mreza[0][0] = 'O';
	else if (mreza[1][0] == 'X' && mreza[1][1] == ' ' && mreza[1][2] == 'X')
		mreza[1][1] = 'O';
	else if (mreza[1][0] == 'X' && mreza[1][1] == 'X' && mreza[1][2] == ' ')
		mreza[1][2] = 'O';
	else if (mreza[1][0] == ' ' && mreza[1][1] == 'X' && mreza[1][2] == 'X')
		mreza[1][0] = 'O';
	else if (mreza[2][0] == ' ' && mreza[2][1] == 'X' && mreza[2][2] == 'X')
		mreza[2][0] = 'O';
	else if (mreza[2][0] == 'X' && mreza[2][1] == ' ' && mreza[2][2] == 'X')
		mreza[2][1] = 'O';
	else if (mreza[2][0] == 'X' && mreza[2][1] == 'X' && mreza[2][2] == ' ')
		mreza[2][2] = 'O';
	// Navpicno
	else if (mreza[0][0] == 'X' && mreza[1][0] == ' ' && mreza[2][0] == 'X')
		mreza[1][0] = 'O';
	else if (mreza[0][0] == 'X' && mreza[1][0] == 'X' && mreza[2][0] == ' ')
		mreza[2][0] = 'O';
	else if (mreza[0][0] == ' ' && mreza[1][0] == 'X' && mreza[2][0] == 'X')
		mreza[0][0] = 'O';
	else if (mreza[0][1] == 'X' && mreza[1][1] == ' ' && mreza[2][1] == 'X')
		mreza[1][1] = 'O';
	else if (mreza[0][1] == ' ' && mreza[1][1] == 'X' && mreza[2][1] == 'X')
		mreza[0][1] = 'O';
	else if (mreza[0][1] == 'X' && mreza[1][1] == 'X' && mreza[2][1] == ' ')
		mreza[2][1] = 'O';
	else if (mreza[0][2] == 'X' && mreza[1][2] == 'X' && mreza[2][2] == ' ')
		mreza[2][2] = 'O';
	else if (mreza[0][2] == 'X' && mreza[1][2] == ' ' && mreza[2][2] == 'X')
		mreza[1][2] = 'O';
	else if (mreza[0][2] == ' ' && mreza[1][2] == 'X' && mreza[2][2] == 'X')
		mreza[0][2] = 'O';
	//Krizno
	else if (mreza[0][0] == ' ' && mreza[1][1] == 'X' && mreza[2][2] == 'X')
		mreza[0][0] = 'O';
	else if (mreza[0][0] == 'X' && mreza[1][1] == ' ' && mreza[2][2] == 'X')
		mreza[1][1] = 'O';
	else if (mreza[0][0] == 'X' && mreza[1][1] == 'X' && mreza[2][2] == ' ')
		mreza[2][2] = 'O';
	else if (mreza[2][0] == ' ' && mreza[1][1] == 'X' && mreza[0][2] == 'X')
		mreza[2][0] = 'O';
	else if (mreza[2][0] == 'X' && mreza[1][1] == ' ' && mreza[0][2] == 'X')
		mreza[1][1] = 'O';
	else if (mreza[2][0] == 'X' && mreza[1][1] == 'X' && mreza[0][2] == ' ')
		mreza[0][2] = 'O';
	else {
		for (int i = 0; i < 3; i++){
			for (int j = 0; j < 3; j++) {
				if (i == 0 && j == 0) {	
					if (mreza[i][j] == ' ' && mreza[i+1][j+1] == 'O') {
						mreza[i][j] = 'O';
						return 0;
					}
					if (mreza[i][j] == 'O' && mreza[i+1][j+1] == ' ') {
						mreza[i+1][j+1] = 'O';
						return 0;
					}
				}
				if (i == 0) {	
					if (mreza[i][j] == ' ' && mreza[i+1][j] == 'O') {
						mreza[i][j] = 'O';
						return 0;
					}
					if (mreza[i][j] == 'O' && mreza[i+1][j] == ' ') {
						mreza[i+1][j] = 'O';
						return 0;
					}
				}
				if (j == 0) {	
					if (mreza[i][j] == ' ' && mreza[i][j+1] == 'O') {
						mreza[i][j] = 'O';
						return 0;
					}
					if (mreza[i][j] == 'O' && mreza[i][j+1] == ' ') {
						mreza[i][j+1] = 'O';
						return 0;
					}
				}
				if (i == 2 && j == 2) {	
					if (mreza[i][j] == ' ' && mreza[i-1][j-1] == 'O') {
						mreza[i][j] = 'O';
						return 0;
					}
					if (mreza[i][j] == 'O' && mreza[i-1][j-1] == ' ') {
						mreza[i-1][j-1] = 'O';
						return 0;
					}
				}
				if (i == 2) {	
					if (mreza[i][j] == ' ' && mreza[i-1][j] == 'O') {
						mreza[i][j] = 'O';
						return 0;
					}
					if (mreza[i][j] == 'O' && mreza[i-1][j] == ' ') {
						mreza[i-1][j] = 'O';
						return 0;
					}
				}
				if (j == 2) {	
					if (mreza[i][j] == ' ' && mreza[i][j-1] == 'O') {
						mreza[i][j] = 'O';
						return 0;
					}
					if (mreza[i][j] == 'O' && mreza[i][j-1] == ' ') {
						mreza[i][j-1] = 'O';
						return 0;
					}
				}
				if (mreza[i][j] == ' ' && mreza[i+1][j+1] == 'O') {
					mreza[i][j] = 'O';
					return 0;
				}
				if (mreza[i][j] == 'O' && mreza[i+1][j+1] == ' ') {
					mreza[i+1][j+1] = 'O';
					return 0;
				}
				if (mreza[i][j] == ' ' && mreza[i-1][j-1] == 'O') {
					mreza[i][j] = 'O';
					return 0;
				}
				if (mreza[i][j] == 'O' && mreza[i-1][j-1] == ' ') {
					mreza[i-1][j-1] = 'O';
					return 0;
				}
				if (mreza[i][j] == ' ' && mreza[i][j-1] == 'O') {
					mreza[i][j] = 'O';
					return 0;
				}
				if (mreza[i][j] == 'O' && mreza[i][j-1] == ' ') {
					mreza[i][j-1] = 'O';
					return 0;
				}
				if (mreza[i][j] == ' ' && mreza[i-1][j] == 'O') {
					mreza[i][j] = 'O';
					return 0;
				}
				if (mreza[i][j] == 'O' && mreza[i-1][j] == ' ') {
					mreza[i-1][j] = 'O';
					return 0;
				}
				if (mreza[i][j] == ' ' && mreza[i][j+1] == 'O') {
					mreza[i][j] = 'O';
					return 0;
				}
				if (mreza[i][j] == 'O' && mreza[i][j+1] == ' ') {
					mreza[i][j+1] = 'O';
					return 0;
				}
				if (mreza[i][j] == ' ' && mreza[i+1][j] == 'O') {
					mreza[i][j] = 'O';
					return 0;
				}
				if (mreza[i][j] == 'O' && mreza[i+1][j] == ' ') {
					mreza[i+1][j] = 'O';
					return 0;
				}
			}
		}
	}

return 0;
}
// Main funkcija z "game" loopom
int main() {
	int stolpec = 0;
	int vrstica = 0;
	// Prvi game loop, ki omogoca ponavljanje igre
	while (true)
	{
		//Prva poteza
		prvaPoteza = true;
		cout << izris();
		// Drugi game loop s katerim zacnemo igro
		while (true)
		{
			if (preveriZmago() == 37) {
				cout << "Zmagal si, cestitam!" << endl << endl;
				break;
			}
			if (preveriZmago() == 5) {
				cout << "Zal si izgubil. Poiskusi se enkrat!" << endl;
				break;
			}
			if (neodloceno()) {
				cout << "Bilo je neodloceno. Poiskusi se enkrat!" << endl;
				break;
			}
			cout << "Vpisi stolpec polja: ";
			cin >> stolpec;
			cout << endl << "Vpisi vrstico polja: ";
			cin >> vrstica;
			if (stolpec > (S_MREZA - 1) || vrstica > (S_MREZA - 1)) {
				cout << "To polje ne obstaja." << endl;
				continue;
			}
			if (mreza[vrstica][stolpec] != ' ') {
				cout << endl << "Ups, to polje je ze zasedeno." << endl << endl;
				continue;
			}
			else {
				mreza[vrstica][stolpec] = 'X';
				system("cls");
				cout << izris();
			}
			if (preveriZmago() == 37) {
				cout << "Zmagal si, cestitam!" << endl << endl;
				break;
			}
			if (preveriZmago() == 5) {
				cout << "Zal si izgubil. Poiskusi se enkrat!" << endl;
				break;
			}
			if (neodloceno()) {
				cout << "Bilo je neodloceno. Poiskusi se enkrat!" << endl;
				break;
			}
			cout << endl << "Zdaj je na potezi racunalnik.." << endl;
			razmisljaj(3);
			racOvrednoti();
			prvaPoteza = false;
			system("cls");
			cout << izris();
		}
		char izbira = 'n';
		cout << "Bi odigral se eno igro? (d/n) ";
		cin >> izbira;
		if (izbira == 'd') {
			reset();
			cout << endl;
			continue;
		}
		else {
			cout << "Adios." << endl;
			break;
		}
	}
	return 0;
}
    Dont mind the language, it's my native, i'm sure you will be able to dechiphyr what does the code do. So I would like to hear your opinions (good or bad). And about the AI, i sure hope there is an alghoritm for turn-based games because i cant imagine programming all the possible solutions for games like chess or connect four.

    Thank you.
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  3. 08-16-2007, 09:01 AM #2
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    There is another thread about Tic-Tac-Toe. Check it out here and here.
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