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.state = {
+ moves: [],
+ board: Array(9).fill(""),
+ next_player: "X",
+ };
+ this.teams = ["X", "O"];
}
- handle_events(request, response) {
- super.handle_events(request, response);
+ /* Returns true if move was legal and added, false otherwise. */
+ add_move(player, square) {
- /* When a new client joins, replay all previous moves to it. */
- for (let move of this.moves) {
- response.write(`event: move\ndata: ${move}\n\n`);
+ /* Cannot move if you are not on a team. */
+ if (player.team === "")
+ {
+ return { legal: false,
+ message: "You must be on a team to take a turn" };
}
- }
-}
-
-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;
+ /* Cannot move if it's not this player's team's turn. */
+ if (player.team !== this.state.next_player)
+ {
+ return { legal: false,
+ message: "It's not your turn to move" };
+ }
- const legal = game.add_move(square);
+ /* Cannot move to an occupied square. */
+ if (this.state.board[square])
+ {
+ return { legal: false,
+ message: "Square is already occupied" };
+ }
- /* Inform this client whether the move was legal. */
- response.send(JSON.stringify(legal));
+ this.state.board[square] = this.state.next_player;
+ this.state.moves.push(square);
- /* And only if legal, inform all clients. */
- if (! legal)
- return;
+ if (this.state.next_player === "X")
+ this.state.next_player = "O";
+ else
+ this.state.next_player = "X";
- game.broadcast_move(square);
-});
+ return { legal: true };
+ }
+}
-router.get('/events', (request, response) => {
- const game = request.game;
+TicTacToe.router = express.Router();
- game.handle_events(request, response);
-});
+TicTacToe.meta = {
+ name: "Tic Tac Toe",
+ identifier: "tictactoe"
+};
-exports.router = router;
-exports.name = engine_name;
exports.Game = TicTacToe;