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) {
+ /* Returns true if move was legal and added, false otherwise. */
+ add_move(player, square) {
+
+ const state = this.state;
+ const result = super.add_move(player, square);
+
+ /* 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;
+
/* Cannot move to an occupied square. */
- if (this.state.board[square])
- return false;
+ if (state.board[square])
+ {
+ return { legal: false,
+ message: "Square is already occupied" };
+ }
- this.state.board[square] = this.state.next_player;
- this.state.moves.push(square);
+ state.board[square] = state.team_to_play;
+ state.moves.push(square);
- if (this.state.next_player === "X")
- this.state.next_player = "O";
+ if (state.team_to_play.id === 0)
+ state.team_to_play = this.teams[1];
else
- this.state.next_player = "X";
+ state.team_to_play = this.teams[0];
- return true;
- }
-
- broadcast_move(square) {
- this.broadcast_event("move", square);
+ 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);
-});
-
-exports.router = router;
-exports.Game = TicTacToe;
+TicTacToe.router = express.Router();
TicTacToe.meta = {
name: "Tic Tac Toe",
identifier: "tictactoe"
};
+
+exports.Game = TicTacToe;