Tic Tac Toe

tic-tac-toe.cpp

#include <iostream>
#include <string>

using namespace std;

//defines
#define tablehieght 3
#define tablewidth 3

#define player1 -32
#define player2 -64

#define player1Token "()"
#define player2Token "><"

//Protypes
void printBoard(void);
void setVars(void);
bool isVaild(int i);
void editBlock(int i , int player);
int isGameOver();
bool checkWin(int player);

//Global vars
int table[tablehieght][tablewidth];
unsigned short curPlayer = 1;
bool isPlaying = true;
bool firstrun = true;
bool numpadmode = false;

int main() {
	if (firstrun) {
	//Game info/tut
	cout << "Info:\nPlayer 1 has the token of " << player1Token <<
		".\nPlayer 2 has the token " << player2Token << 
		".\nThe game will end if there is no loser." << endl;
	
	//Getting settings
	cout << "Enable num-pad friendly mode?[y/n]" << endl;
	string str;
	cin >> str;
	if (str == "y" || str == "yes")
		numpadmode = true;
	firstrun = false;
	system("pause");
	}
	setVars();
	try {
	do {
		system("cls");
		cout << "Player " << curPlayer << "'s turn["<< (curPlayer == 1 ? player1Token : player2Token) <<"]. Pick your spot[Number only]:" << endl;
		printBoard();
		int input = NULL;
		cin >> input;

		if (input == NULL) {
			cout << "Omfg your input is not a number, you shouldn't do that.\nTic-Tac-Toe has stopped BECAUSE YOU BROKE IT.";
			return(1);
		}

		//Is quiting?
		if (input == -1) {
			break;
		}

		if (isVaild(input)) {
			editBlock(input , curPlayer);

			switch (curPlayer) { //Switch players turns
			case 1:
				curPlayer = 2;
				break;
			case 2:
				curPlayer = 1;
				break;
			}
			
		} else {
			cout << "Invalid move." << endl;
		}
		switch (isGameOver()) {
		case player1:
			system("cls");
			cout << "Player 1 wins" << endl;	
			printBoard();
			isPlaying = false;
			break;
		case player2:
			system("cls");
			cout << "Player 2 wins" << endl;
			printBoard();
			isPlaying = false;
			break;
		case -1:
			system("cls");
			cout << "Draw.\nEVERYONE LOSES." << endl;
			printBoard();
			isPlaying = false;
			break;
		default:
			break;
		}

	} while(isPlaying);
	} catch(char *str) {
		cout << "Something went horribly wrong.\nTic-Tac-Toe is stopping." << endl << *str;
		return(1);
	}
	cout << "Play again?[y/n]";
	string tmp;
	cin >> tmp;
	if (tmp == "y" || tmp == "yes") {
		system("cls");
		main();
	}

	return 0;
}

void printBoard() {
	for (int i = 0; i < tablehieght; i++) {
		for (int u = 0; u < tablewidth; u++) {
			//graphics
			if (u > 0)
				cout << '|';

			if (table[i][u] == player1) { //nought
				cout << player1Token;
				continue;
			} else if (table[i][u] == player2) { //Cross
				cout << player2Token;
				continue;
			}
			if (table[i][u] < 10) //Keeping fixed width of charaters
				cout << 0 << table[i][u];
			else
				cout << table[i][u];
		}
		if (i + 1 > 0 && i + 1 != tablehieght) {
		cout << endl;
		for (int u = 0; u < tablewidth - 1; u++) {
				cout << "--+";
			}
		cout << "--";
		}
		cout << endl;
	}

	}

void setVars() {
	isPlaying = true;
	if (!numpadmode) {
	int n = 1;
	for (int i = 0; i < tablehieght; i++) {
		for (int u = 0; u < tablewidth; u++) {
			table[i][u] = n++;
		}
	}
	
	} else {
	//Num pad friendly
	int n = tablehieght;
	for (int i = 0; i < tablehieght; i++) {
		for (int u = 0; u < tablewidth; u++) {
			table[i][u] = (n * tablewidth - 1) + (u -1);
		}
		n--;
	}
	}
}

bool isVaild(int i) {
	if (i < 1)
		return false;
	
	for (int o = 0; o < tablehieght; o++) {
		for (int u = 0; u < tablewidth; u++) {
			if (table[o][u] == i)
				return true;
		}
	}
	return false;
}

void editBlock(int i, int player) {
	short code = 0x0;
	switch (player) {
		case 1:
			code = player1;
			break;
		case 2:
			code = player2;
			break;
	}
	
	for (int o = 0; o < tablehieght; o++) {
		for (int u = 0; u < tablewidth; u++) {
			if (table[o][u] == i)
				table[o][u] = code;
		}
	}
}

int isGameOver() { //Output: -1 - Draw, no more blocks to choose from. 0 - Still going. Player# - That player won.
	bool isFull = true;
	for (int o = 0; o < tablehieght; o++) {
		for (int u = 0; u < tablewidth; u++) {
			if (table[o][u] > 0) { //If table[][] is filled with player1 or player2 isFull will remain true
				isFull = false;
				break;
			}
		}
		if (!isFull)
			break;
	}
	
	if(checkWin(player1) == player1)
		return player1;
	
	if (checkWin(player2) == player2)
		return player2;
	
	if (isFull)
		return -1;
	//Zero is it's still going
	return 0;
}

bool checkWin(int player) {
	for (int o = 0; o < tablehieght; o++) {
		bool win = true;
		for (int u = 0; u < tablewidth; u++) {
			if (table[o][u] != player) { //Checking downwards. If there is anything in the column that's not player, player cannot of won
				win = false;
			}
		}
		if (win)
			return win;
	}
	for (int o = 0; o < tablewidth; o++) {
		bool win = true;
		for (int u = 0; u < tablehieght; u++) {
			if (table[u][o] != player) { //Checking rows. If there is anything in the row that's not player, player cannot of won
				win = false;
			}
		}
		if (win)
			return win;
	}

	int i = 0; //Diagonal (0,0 to tablehieght,tablewidth)
	bool win = true;
	for (int o = 0; o < tablehieght; o++) {
		if (table[o][i++] != player) {
			win = false;
		}
	}
	if (win)
		return win;

	i = tablehieght;
	win = true; //Diagonal (tablehieght,0 to 0,tablewidth)
	for (int o = 0; o < tablehieght; o++) {
		if (table[o][i--] != player) {
			win = false;
		}
	}
	if (win)
		return win;
	return false;
}