Drop the name field from the Game class

[empires-server] / game.js

diff --git a/game.js b/game.js
index 20cd2411e2275ff8aef51e1c35a3772931815b6b..fb2d75afa87214f1eaa4fe426772ca59f39e24f3 100644 (file)
--- a/game.js
+++ b/game.js
@@ -1,11 +1,30 @@
 /* Base class providing common code for game engine implementations. */
 class Game {
-  constructor(name) {
-    this.name = name;
+  constructor() {
     this.clients = [];
     this.next_client_id = 1;
   }
 
+  /* Suport for game meta-data.
+   *
+   * What we want here is an effectively static field that is
+   * accessible through either the class name (SomeGame.meta) or an
+   * instance (some_game.meta). To pull this off we do keep two copies
+   * of the data. But the game classes can just set SomeGame.meta once
+   * and then reference it either way.
+   */
+  static set meta(data) {
+    /* This allows class access (SomeGame.meta) via the get method below. */
+    this._meta = data;
+
+    /* While this allows access via an instance (some_game.meta). */
+    this.prototype.meta = data;
+  }
+
+  static get meta() {
+    return this._meta;
+  }
+
   add_client(response) {
     const id = this.next_client_id;
     this.clients.push({id: id,