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');
+    }
+
+}

pnpm-lock.yaml

@@ -414,6 +414,9 @@ importers:
       date-fns:
         specifier: ^3.3.1
         version: 3.3.1
+      denque:
+        specifier: ^2.1.0
+        version: 2.1.0
       dotenv:
         specifier: ^16.4.5
         version: 16.4.5
@@ -2900,6 +2903,11 @@ packages:
       object-keys: 1.1.1
     dev: true
 
+  /denque@2.1.0:
+    resolution: {integrity: sha512-HVQE3AAb/pxF8fQAoiqpvg9i3evqug3hoiwakOyZAwJm+6vZehbkYXZ0l4JxS+I3QxM97v5aaRNhj8v5oBhekw==}
+    engines: {node: '>=0.10'}
+    dev: false
+
   /depd@2.0.0:
     resolution: {integrity: sha512-g7nH6P6dyDioJogAAGprGpCtVImJhpPk/roCzdb3fIh61/s/nPsfR6onyMwkCAR/OlC3yBC0lESvUoQEAssIrw==}
     engines: {node: '>= 0.8'}