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/convertor/index.ts

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+'use strict';
+
+import { init2DChunks } from '../common/utlis';
+import { initDiff } from "../common/diff";
+import { ImageImporter } from './image';
+import { BitmapImporter } from "./fnt";
+import { TextImporter } from "./text";
+import { AudioImporter } from "./audio";
+import { PlistImporter } from "./plist";
+import { JSONImporter } from "./json";
+import { TmxImporter } from "./tmx";
+import { MaterialImporter } from "./mtl";
+import { FbxImporter } from "./fbx";
+import { TTFFontImporter } from "./ttf";
+import { AutoAtlasImporter } from "./pac";
+import { AnimImporter } from "./anim";
+import { FireImporter } from "./fire";
+import { PrefabImporter } from './prefab';
+import { JSImporter } from "./js";
+import { TSImporter } from "./ts";
+import { TsxImporter } from "./tsx";
+import { BinImporter } from "./bin";
+import { DbbinImporter } from "./dbbin";
+import { EffectImporter } from "./effect";
+import { GltfImporter } from "./gltf";
+import { LabelAtlasImporter } from "./label-atlas";
+import { AtlasImporter } from "./atlas";
+import { SacImporter } from "./sac";
+import { PhysicsMaterialImporter } from "./pmtl";
+import { SkelImporter } from "./skel";
+import { SkeletonImporter } from "./skeleton";
+import { VideoImporter } from "./video";
+import { ImporterBase } from "../common/base";
+import { extname } from "path";
+
+// 存储需要转换的列表
+const keys: string[] = [];
+export const converterMap: Map<string, ImporterBase> = new Map<string, ImporterBase>();
+
+function register(Importer: any, extnames: string[]) {
+    extnames.forEach(extname => {
+        if (!keys.includes(extname)) {
+            keys.push(extname);
+        }
+        converterMap.set(extname, new Importer());
+    });
+}
+
+function initConvert() {
+    keys.length = 0;
+    converterMap.clear();
+}
+
+/**
+ * 排序
+ * @param {object} tree
+ */
+export function bubbleSort(tree: any) {
+    let i, j, stop;
+    const len = tree.length;
+    for (i = 0; i < len; i++) {
+        for (j = 0, stop = len - i; j < stop - 1; j++) {
+            const a = tree[j], b = tree[j + 1];
+            const aIndex = keys.indexOf(extname(a.detail.value));
+            const bIndex = keys.indexOf(extname(b.detail.value));
+            if (aIndex > bIndex) {
+                const temp = tree[j];
+                tree[j] = tree[j + 1];
+                tree[j + 1] = temp;
+            }
+        }
+    }
+    return tree;
+}
+
+export function getConverter(exatname: string) {
+    return converterMap.get(exatname);
+}
+
+export function registerConverter() {
+    initConvert();
+    initDiff();
+    init2DChunks();
+
+    register(ImageImporter, ['.png', '.jpg', '.jpeg', '.webp']);// 完成
+    register(TextImporter, ['.pem', '.txt', '.html', '.htm', '.xml', '.css', '.less', '.scss', '.styl', '.stylus', '.yaml', '.ini', '.csv', '.proto', '.md', '.markdown']);// 完成
+    register(AudioImporter, ['.mp3', '.wav', '.ogg', '.aac', '.pcm', '.m4a']);// 完成
+    register(VideoImporter, ['.mp4']);// 完成
+    register(TTFFontImporter, ['.ttf']);// 完成
+    register(BitmapImporter, ['.fnt']);// 完成
+    register(BinImporter, ['.bin']);// 完成
+    register(DbbinImporter, ['.dbbin']);// 完成
+    register(SacImporter, ['.sac']);// 完成
+    register(JSONImporter, ['.json']);// 完成
+    register(AtlasImporter, ['.atlas']);// 完成
+    register(PhysicsMaterialImporter, ['.pmtl']);
+    register(GltfImporter, ['.gltf']);// 完成
+    register(SkelImporter, ['.skel']);
+    register(SkeletonImporter, ['.skeleton']);
+    register(TsxImporter, ['.tsx']);// 完成
+    register(TmxImporter, ['.tmx']);// 完成
+    register(FbxImporter, ['.fbx', '.FBX']);// 完成
+    register(PlistImporter, ['.plist']);// 完成
+    register(AutoAtlasImporter, ['.pac']);// 完成
+    register(LabelAtlasImporter, ['.labelatlas']);// 完成
+    register(EffectImporter, ['.effect']);
+    register(MaterialImporter, ['.mtl']);
+    register(AnimImporter, ['.anim']);
+    register(PrefabImporter, ['.prefab']);
+    register(FireImporter, ['.fire']);
+    // 代码最后导入
+    register(JSImporter, ['.js']);// 完成
+    register(TSImporter, ['.ts']);// 完成
+}