feat: LazyEntityUpdater

@sammo/game_logic/src/City.ts

@@ -1,8 +1,22 @@
+import type { ICityEntity } from "./CityEntity.js";
+import { LazyEntityUpdater } from "./LazyEntityUpdater.js";
+import type { IResourceController } from "./ResourceController.js";
 import type { CityID } from "./defs.js";
 
-export class City{
+export class City extends LazyEntityUpdater<ICityEntity>{
+    protected readonly _indirectNames: (keyof ICityEntity)[] = ["id", "nationID"];
+    protected readonly _entityType = "City";
+    protected readonly _raw: ICityEntity;
+
     constructor(
-        public readonly id: CityID
+        raw: ICityEntity,
+        protected readonly resourceController: IResourceController
     ){
+        super();
+        this._raw = raw;
+    }
+
+    get id(): CityID {
+        return this._raw.id;
     }
 }