denque

@sammo/server/package.json

@@ -18,6 +18,7 @@
     "@sammo/util": "workspace:^",
     "@strpc/express": "workspace:^",
     "date-fns": "^3.3.1",
+    "denque": "^2.1.0",
     "dotenv": "^16.4.5",
     "eventemitter3": "^5.0.1",
     "express": "^4.18.3",

@sammo/server/src/GameEngine.ts

@@ -0,0 +1,30 @@
+import Denque from "denque";
+
+export class GameEngine {
+
+    private static instance: GameEngine | null = null;
+
+    private npcActionQueue = new Denque<unknown>();
+    private apiActionQueue = new Denque<unknown>();
+
+    private constructor() {
+
+    }
+
+    public static getInstance() {
+        if (!GameEngine.instance) {
+            GameEngine.instance = new GameEngine();
+        }
+        return GameEngine.instance;
+    }
+
+    public async start() {
+
+        console.log('GameEngine started');
+    }
+
+    public async stop() {
+        console.log('GameEngine stopped');
+    }
+
+}