X-Git-Url: https://git.cworth.org/git?a=blobdiff_plain;f=tictactoe.js;h=da55c9f48e42c663f3e4016acaf6f4f083f15061;hb=00507589b4984d50a34a383975fc6323db19bcfa;hp=2a8dd06f9d580398e483e7a554883beee54bcc4e;hpb=fbf331eedc7d4579ec861c140e26a11b04278c1c;p=empires-server

diff --git a/tictactoe.js b/tictactoe.js
index 2a8dd06..da55c9f 100644
--- a/tictactoe.js
+++ b/tictactoe.js
@@ -1,8 +1,6 @@
 const express = require("express");
 const Game = require("./game.js");
 
-const router = express.Router();
-
 class TicTacToe extends Game {
   constructor(id) {
     super(id);
@@ -13,11 +11,11 @@ class TicTacToe extends Game {
     };
   }
 
-  /* Returns Boolean indicating whether move was legal and added. */
+  /* Returns true if move was legal and added, false otherwise. */
   add_move(square) {
     /* Cannot move to an occupied square. */
     if (this.state.board[square])
-      return false;
+      return { legal: false, message: "Square is already occupied" };
 
     this.state.board[square] = this.state.next_player;
     this.state.moves.push(square);
@@ -27,14 +25,15 @@ class TicTacToe extends Game {
     else
       this.state.next_player = "X";
 
-    return true;
+    return { legal: true };
   }
 }
 
-exports.router = router;
-exports.Game = TicTacToe;
+TicTacToe.router = express.Router();
 
 TicTacToe.meta = {
   name: "Tic Tac Toe",
   identifier: "tictactoe"
 };
+
+exports.Game = TicTacToe;