X-Git-Url: https://git.cworth.org/git?p=empires-server;a=blobdiff_plain;f=tictactoe.js;h=a7e6cfae290af760a9fedcef349b5a2f58136c44;hp=74cf3436334f214123981d8698b17b0cacf8ae21;hb=7cfa4c75739452a6022e2266cc4d6444ef79f4a5;hpb=bceb4cb3eb1b150aedc562978df01cb0ac4ce628 diff --git a/tictactoe.js b/tictactoe.js index 74cf343..a7e6cfa 100644 --- a/tictactoe.js +++ b/tictactoe.js @@ -1,75 +1,63 @@ const express = require("express"); const Game = require("./game.js"); -const router = express.Router(); - class TicTacToe extends Game { constructor(id) { super(id); + this.teams = [ + { + id: 0, + name: "X" + }, + { + id: 1, + name: "O" + }]; this.state = { moves: [], board: Array(9).fill(""), - next_player: "X", + team_to_play: this.teams[0], }; } - /* Returns Boolean indicating whether move was legal and added. */ - add_move(square) { - /* Cannot move to an occupied square. */ - if (this.state.board[square]) - return false; + /* Returns true if move was legal and added, false otherwise. */ + add_move(player, square) { - this.state.board[square] = this.state.next_player; - this.state.moves.push(square); + const state = this.state; + const result = super.add_move(player, square); - if (this.state.next_player === "X") - this.state.next_player = "O"; - else - this.state.next_player = "X"; + /* 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; - return true; - } + /* Cannot move to an occupied square. */ + if (state.board[square]) + { + return { legal: false, + message: "Square is already occupied" }; + } - broadcast_move(square) { - this.broadcast_event("move", square); - } + state.board[square] = state.team_to_play; + state.moves.push(square); - handle_events(request, response) { - super.handle_events(request, response); + if (state.team_to_play.id === 0) + state.team_to_play = this.teams[1]; + else + state.team_to_play = this.teams[0]; - /* When a new client joins, replay all previous moves to it. */ - for (let move of this.state.moves) { - response.write(`event: move\ndata: ${move}\n\n`); - } + return { legal: true }; } } -router.post('/move', (request, response) => { - const game = request.game; - const square = request.body.square; - - const legal = game.add_move(square); - - /* Inform this client whether the move was legal. */ - response.send(JSON.stringify(legal)); - - /* And only if legal, inform all clients. */ - if (! legal) - return; - - game.broadcast_move(square); -}); - -router.get('/events', (request, response) => { - const game = request.game; - - game.handle_events(request, response); -}); - -exports.router = router; -exports.Game = TicTacToe; +TicTacToe.router = express.Router(); TicTacToe.meta = { name: "Tic Tac Toe", - identifier: "tictactoe" + identifier: "tictactoe", + options: { + allow_guest: true + } }; + +exports.Game = TicTacToe;