game runner

assets/Scripts/AppRoot/AppRoot.ts

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+import { _decorator, Component, Node, director, AudioSource } from "cc";
+import { SaveSystem } from "./SaveSystem";
+const { ccclass, property } = _decorator;
+
+@ccclass("AppRoot")
+export class AppRoot extends Component {
+    @property(AudioSource) private soundSource: AudioSource;
+    @property(AudioSource) private musicSource: AudioSource;
+
+    private static instance: AppRoot;
+    private saveSystem: SaveSystem;
+
+    public static get Instance(): AppRoot {
+        return this.instance;
+    }
+
+    public get SaveSystem(): SaveSystem {
+        return this.saveSystem;
+    }
+
+    public start(): void {
+        if (AppRoot.Instance == null) {
+            AppRoot.instance = this;
+            director.addPersistRootNode(this.node);
+            this.init();
+        } else {
+            this.destroy();
+        }
+    }
+
+    private init(): void {
+        this.saveSystem = new SaveSystem();
+    }
+}

assets/Scripts/AppRoot/AppRoot.ts.meta

@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.23",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "4943d4af-b7d1-41bc-b8b3-2751e114ece0",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}

assets/Scripts/AppRoot/SaveSystem.ts

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+import { sys } from "cc";
+import { UserData } from "../Game/Data/UserData";
+
+export class SaveSystem {
+    private userDataIdentifier = "user-data";
+    public save(userData: UserData): void {
+        sys.localStorage.setItem(this.userDataIdentifier, JSON.stringify(userData));
+    }
+
+    public load(): UserData {
+        const data: string = sys.localStorage.getItem(this.userDataIdentifier);
+
+        if (!data) return new UserData();
+
+        try {
+            return <UserData>JSON.parse(data);
+        } catch (error) {
+            return new UserData();
+        }
+    }
+}

assets/Scripts/AppRoot/SaveSystem.ts.meta

@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.23",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "ed50cd4b-21fa-4acc-9fee-92abaf3e2134",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}