From 48026578b36151fdb09186f4fd5166db6c67c09a Mon Sep 17 00:00:00 2001
From: Carl Worth <cworth@cworth.org>
Date: Sun, 31 May 2020 17:47:28 -0700
Subject: [PATCH] Plumb a game's ID value down into the base class

Since, whenever anyone has a reference to a game, it can be handy to
be able to query its ID value.
---
 empires.js   | 4 ++--
 game.js      | 3 ++-
 lmno.js      | 2 +-
 tictactoe.js | 4 ++--
 4 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/empires.js b/empires.js
index 3072a12..cb7571d 100644
--- a/empires.js
+++ b/empires.js
@@ -32,8 +32,8 @@ function shuffle(a) {
 }
 
 class Empires extends Game {
-  constructor() {
-    super();
+  constructor(id) {
+    super(id);
     this._spectators = [];
     this.next_spectator_id = 1;
     this._players = [];
diff --git a/game.js b/game.js
index fb2d75a..706bfc7 100644
--- a/game.js
+++ b/game.js
@@ -1,6 +1,7 @@
 /* Base class providing common code for game engine implementations. */
 class Game {
-  constructor() {
+  constructor(id) {
+    this.id = id;
     this.clients = [];
     this.next_client_id = 1;
   }
diff --git a/lmno.js b/lmno.js
index 69e445a..0fd491a 100644
--- a/lmno.js
+++ b/lmno.js
@@ -68,7 +68,7 @@ class LMNO {
 
     const engine = engines[engine_name];
 
-    const game = new engine.Game();
+    const game = new engine.Game(id);
 
     this.games[id] = {
       id: id,
diff --git a/tictactoe.js b/tictactoe.js
index 11b4295..aba043c 100644
--- a/tictactoe.js
+++ b/tictactoe.js
@@ -4,8 +4,8 @@ const Game = require("./game.js");
 const router = express.Router();
 
 class TicTacToe extends Game {
-  constructor() {
-    super();
+  constructor(id) {
+    super(id);
     this.moves = [];
     this.board = Array(9).fill(null);
   }
-- 
2.43.0