138 lines
3.0 KiB
D
138 lines
3.0 KiB
D
// Creating Tic Tac Toe (Noughts and Crosses) game
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// LET'S LEARN: passing a variable by value and by reference
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import std.stdio: writeln, write, readf, readln;
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import std.string: strip;
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void main() {
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// game board
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char[3][3] board = ' ';
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// if true, player 1 makes a move, if false, player 2 makes a move
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bool playerOneMove = true;
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// mainMenu returns false if player decides to play, true if player exits
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bool gameOver = mainMenu();
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while(!gameOver) {
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print(board);
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// read X coordiante
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int x = 0;
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write("x:_");
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readf(" %s", x);
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// read Y coordinate
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int y = 0;
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write("y:_");
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readf(" %s", y);
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// if coordinates point to an empty slot, then make a move, otherwise, it is occupied by another piece
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if(board[y][x] == ' ') {
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if(playerOneMove) {
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board[y][x] = 'x';
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} else {
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board[y][x] = 'o';
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}
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playerOneMove = !playerOneMove;
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} else {
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writeln();
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writeln();
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writeln("*************************************");
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writeln("Position ", x, ", ", y, " is occupied! Try again.");
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writeln("*************************************");
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}
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// checking whether the game is over
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check(board, gameOver);
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}
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print(board);
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if(playerOneMove) {
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writeln("Player O won!");
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} else {
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writeln("Player X won!");
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}
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writeln("Thanks for playing!");
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}
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bool mainMenu() {
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writeln("Hello! Welcome to Tic Tac Toe game!");
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writeln("(1) Play");
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writeln("(2) Exit");
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write(":_");
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string line = strip(readln());
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if(line == "play" || line == "Play" || line == "1" || line == "p") { // if line = to either of these, then play, else, quit
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return false;
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}
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return true;
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}
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// drawing the Tic Tac Toe game board
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void print(char[3][3] array) {
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writeln();
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writeln();
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for(int i = 0; i < array.length; i++) {
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write("\t", i); // '\t' character means tab
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}
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writeln();
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writeln("_ _ _ _ _ _ _ _ _ _ _ _ _ _");
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for(int i = 0; i < array.length; i++) {
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write(i);
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for(int j = 0; j < array[i].length; j++) {
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write(" | ", array[i][j]);
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}
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writeln();
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writeln("_ _ _ _ _ _ _ _ _ _ _ _ _ _");
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}
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writeln();
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writeln();
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}
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void check(char[3][3] array, ref bool gameOver) {
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// checking if rows are Xs or Os
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for(int i = 0; i < array.length; i++) {
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if(array[i][0] != ' ' && array[i][1] != ' ' && array[i][2] != ' ') {
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if(array[i][0] == array[i][1] && array[i][1] == array[i][2]) {
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gameOver = true;
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}
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}
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}
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// checking if colomns are Xs or Os
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for(int i = 0; i < array.length; i++) {
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if(array[0][i] != ' ' && array[1][i] != ' ' && array[2][i] != ' ') {
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if(array[0][i] == array[1][i] && array[1][i] == array[2][i]) {
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gameOver = true;
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}
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}
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}
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// checking if the diagonal slots starting from 0, 0 are Xs or Os
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if(array[0][0] != ' ' && array[1][1] != ' ' && array[2][2] != ' ') {
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if(array[0][0] == array[1][1] && array[1][1] == array[2][2]) {
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gameOver = true;
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}
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}
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// checking if the diagonal slots starting from 2, 0 are Xs or Os
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if(array[2][0] != ' ' && array[1][1] != ' ' && array[0][2] != ' ') {
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if(array[2][0] == array[1][1] && array[1][1] == array[0][2]) {
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gameOver = true;
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}
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}
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}
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