X-Git-Url: https://git.cworth.org/git?p=empires-server;a=blobdiff_plain;f=tictactoe.js;h=a7e6cfae290af760a9fedcef349b5a2f58136c44;hp=4e76638a7cd3290df810eee00cd677c3af1ec0f8;hb=66b333239bd232c60cc1093aefc55c585af293cc;hpb=76e5097689002f03c721c388e2ca71c52abf3354 diff --git a/tictactoe.js b/tictactoe.js index 4e76638..a7e6cfa 100644 --- a/tictactoe.js +++ b/tictactoe.js @@ -1,79 +1,63 @@ const express = require("express"); const Game = require("./game.js"); -const engine_name = "tictactoe"; - -const router = express.Router(); - class TicTacToe extends Game { - constructor() { - super(engine_name); - this.moves = []; - this.board = Array(9).fill(null); - } - - /* Returns Boolean indicating whether move was legal and added. */ - add_move(square) { - /* Cannot move to an occupied square. */ - if (this.board[square]) - return false; - - this.board[square] = 'X'; - this.moves.push(square); - - return true; - } - - broadcast_move(square) { - this.broadcast_event("move", square); + constructor(id) { + super(id); + this.teams = [ + { + id: 0, + name: "X" + }, + { + id: 1, + name: "O" + }]; + this.state = { + moves: [], + board: Array(9).fill(""), + team_to_play: this.teams[0], + }; } -} - -router.get('/', (request, response) => { - const game = request.game; - - if (! request.session.nickname) - response.render('choose-nickname.html', { game_name: "Tic Tac Toe" }); - else - response.render('tictactoe-game.html'); -}); -router.post('/move', (request, response) => { - const game = request.game; - const square = request.body.square; + /* Returns true if move was legal and added, false otherwise. */ + add_move(player, square) { - const legal = game.add_move(square); + const state = this.state; + const result = super.add_move(player, square); - /* Inform this client whether the move was legal. */ - response.send(JSON.stringify(legal)); + /* If the generic Game class can reject this move, then we don't + * need to look at it any further. */ + if (! result.legal) + return result; - /* And only if legal, inform all clients. */ - if (! legal) - return; + /* Cannot move to an occupied square. */ + if (state.board[square]) + { + return { legal: false, + message: "Square is already occupied" }; + } - game.broadcast_move(square); -}); + state.board[square] = state.team_to_play; + state.moves.push(square); -router.get('/events', (request, response) => { - const game = request.game; + if (state.team_to_play.id === 0) + state.team_to_play = this.teams[1]; + else + state.team_to_play = this.teams[0]; - /* These headers will keep the connection open so we can stream events. */ - const headers = { - "Content-type": "text/event-stream", - "Connection": "keep-alive", - "Cache-Control": "no-cache" - }; - response.writeHead(200, headers); + return { legal: true }; + } +} - /* Add this new client to our list of clients. */ - const id = game.add_client(response); +TicTacToe.router = express.Router(); - /* And queue up cleanup to be triggered on client close. */ - request.on('close', () => { - game.remove_client(id); - }); -}); +TicTacToe.meta = { + name: "Tic Tac Toe", + identifier: "tictactoe", + options: { + allow_guest: true + } +}; -exports.router = router; -exports.name = engine_name; exports.Game = TicTacToe;