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/image.ts

@@ -0,0 +1,86 @@
+
+import { ImporterBase } from '../common/base';
+import { importSubAssets } from "../common/utlis";
+
+export class ImageImporter extends ImporterBase {
+    type: string = 'image';
+    async import(): Promise<boolean> {
+        if (!this._2dMeta) {
+            return true;
+        }
+        this._3dMeta.ver = '1.0.13';
+        this._3dMeta.importer = 'image';
+        // copy base asset and meta
+        const userData = this._3dMeta.userData;
+        if (this._2dMeta.type === 'sprite') {
+            userData.type = 'sprite-frame';
+            // texture
+            const textureMeta = this.createNewMeta();
+            textureMeta.importer = 'texture';
+            const textureID = ImporterBase.getNameByID('texture');
+            const filterMode = this._2dMeta['filterMode'];
+            // @ts-ignore
+            textureMeta.userData['minfilter'] = filterMode === 'point' ? 'nearest' : 'linear';
+            // @ts-ignore
+            textureMeta.userData['magfilter'] = filterMode === 'point' ? 'nearest' : 'linear';
+            const wrapMode = this._2dMeta['wrapMode'];
+            // @ts-ignore
+            textureMeta.userData['wrapModeS'] = textureMeta.userData['wrapModeT'] = wrapMode === 'clamp' ? 'clamp-to-edge' : wrapMode;
+            //
+            const genMipmaps = this._2dMeta['genMipmaps'];
+            let mipfilter = 'none';
+            if (genMipmaps) {
+                mipfilter = (filterMode === 'bilinear' || filterMode === 'point') ? 'nearest' : 'linear';
+            }
+            // @ts-ignore
+            textureMeta.userData['mipfilter'] = mipfilter;
+            this._3dMeta.subMetas[textureID] = textureMeta;
+            // sprite frame
+            const spriteFrameMeta = this.createNewMeta();
+            const _2dSubMeta = this._2dMeta.subMetas[this.pathInfo!.name];
+            for (const key in _2dSubMeta) {
+                if (key === 'ver' || key === 'uuid' ||
+                    key === 'subMetas' || key === 'rawTextureUuid') {
+                    continue;
+                }
+                else {
+                    // @ts-ignore
+                    spriteFrameMeta.userData[key] = _2dSubMeta[key];
+                }
+            }
+            spriteFrameMeta.importer = 'sprite-frame';
+            // @ts-ignore
+            spriteFrameMeta.userData.imageUuidOrDatabaseUri = `${this._3dMeta.uuid}@${textureID}`;
+            //
+            const spriteFrameID = ImporterBase.getNameByID('spriteFrame');
+            this._3dMeta.subMetas[spriteFrameID] = spriteFrameMeta;
+        } else {
+            userData.type = 'raw';
+        }
+        // 是否开启缓存
+        const compressSettings = await this.migratePlatformSettings(this._2dMeta.platformSettings);
+        if (compressSettings) {
+            userData.compressSettings = compressSettings;
+        }
+        this._3dMeta.userData = userData;
+        //
+        if (this._2dMeta.type === 'sprite') {
+            for (const key in this._2dMeta.subMetas) {
+                const subMeta = this._2dMeta.subMetas[key];
+                if (subMeta) {
+                    importSubAssets.set(subMeta.uuid, {
+                        baseUuid: this._2dMeta.uuid,
+                        uuid: `${this._2dMeta.uuid}@${ImporterBase.getNameByID('spriteFrame')}`,
+                    });
+                }
+            }
+        }
+        else if (this._2dMeta.type === 'raw') {
+            importSubAssets.set(this._2dMeta.uuid, {
+                baseUuid: this._2dMeta.uuid,
+                uuid: `${this._2dMeta.uuid}@${ImporterBase.getNameByID('texture')}`,
+            });
+        }
+        return true;
+    }
+}