git.cworth.org Git - lmno-server/blob - tictactoe.js

   1 const express = require("express");
   2 const Game = require("./game.js");
   3
   4 class TicTacToe extends Game {
   5   constructor(id) {
   6     super(id);
   7     this.state = {
   8       moves: [],
   9       board: Array(9).fill(""),
  10       next_player: "X",
  11     };
  12   }
  13
  14   /* Returns true if move was legal and added, false otherwise. */
  15   add_move(square) {
  16     /* Cannot move to an occupied square. */
  17     if (this.state.board[square])
  18       return false;
  19
  20     this.state.board[square] = this.state.next_player;
  21     this.state.moves.push(square);
  22
  23     if (this.state.next_player === "X")
  24       this.state.next_player = "O";
  25     else
  26       this.state.next_player = "X";
  27
  28     return true;
  29   }
  30 }
  31
  32 TicTacToe.router = express.Router();
  33
  34 TicTacToe.meta = {
  35   name: "Tic Tac Toe",
  36   identifier: "tictactoe"
  37 };
  38
  39 exports.Game = TicTacToe;