Complete Cocos Creator port with level bundles, themes, and tooling.

Adds level prefabs, theme assets, audio, extensions, and deployment scripts for the Unity WebGL migration.

Co-authored-by: Cursor <cursoragent@cursor.com>

extensions/plugin-import-2x/creator/components/ScrollView.ts

@@ -0,0 +1,51 @@
+'use strict';
+export const SCROLLVIEW = {
+    "__type__": "cc.ScrollView",
+    "_name": "",
+    "_objFlags": 0,
+    "node": null,
+    "_enabled": true,
+    "__prefab": null,
+    "bounceDuration": 1,
+    "brake": 0.5,
+    "elastic": true,
+    "inertia": true,
+    "horizontal": true,
+    "vertical": true,
+    "cancelInnerEvents": true,
+    "scrollEvents": [],
+    "_content": null,
+    "_horizontalScrollBar": null,
+    "_verticalScrollBar": null,
+};
+
+export class ScrollView {
+
+    static create() {
+        return JSON.parse(JSON.stringify(SCROLLVIEW));
+    }
+
+    static async migrate(json2D: any) {
+        const source = JSON.parse(JSON.stringify(SCROLLVIEW));
+        for (const key in json2D) {
+            const value = json2D[key];
+            if (key === '__type__' || value === undefined || value === null) { continue; }
+            if (key === 'content' || key === '_N$content') {
+                source._content = value;
+            } else if (key === '_N$horizontalScrollBar') {
+                source._horizontalScrollBar = value;
+            } else if (key === '_N$verticalScrollBar') {
+                source._verticalScrollBar = value;
+            } else {
+                source[key] = value;
+            }
+        }
+        return source;
+    }
+
+    static async apply(index: number, json2D: any, json3D: any) {
+        const source = await ScrollView.migrate(json2D[index]);
+        json3D.splice(index, 1, source);
+        return source;
+    }
+}