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>

assets/scripts/level/LevelMapData.ts

@@ -0,0 +1,56 @@
+import { _decorator, Component } from 'cc';
+
+const { ccclass, property } = _decorator;
+
+/**
+ * 挂在关卡预制体根节点（与 Unity LevelN.prefab 同级）。
+ * 地图碰撞/可走数据；视觉由预制体子节点 Ground、Border 上的 Sprite 呈现。
+ */
+@ccclass('LevelMapData')
+export class LevelMapData extends Component {
+    @property
+    levelID = 0;
+
+    @property({ multiline: true, displayName: 'Ground JSON' })
+    groundJson = '{}';
+
+    @property({ multiline: true, displayName: 'Border JSON' })
+    borderJson = '{}';
+
+    @property({ displayName: '地图主题 (silu/sanxing/…)' })
+    theme = 'silu';
+
+    parseGround(): Map<string, string> {
+        return LevelMapData.parseRecord(this.groundJson);
+    }
+
+    parseBorder(): Set<string> {
+        return LevelMapData.parseBorder(this.borderJson);
+    }
+
+    static parseRecord(json: string): Map<string, string> {
+        const m = new Map<string, string>();
+        try {
+            const o = JSON.parse(json || '{}') as Record<string, string>;
+            for (const [k, v] of Object.entries(o)) {
+                if (typeof v === 'string' && v) m.set(k, v);
+            }
+        } catch (e) {
+            console.warn('[LevelMapData] groundJson parse error', e);
+        }
+        return m;
+    }
+
+    static parseBorder(json: string): Set<string> {
+        const s = new Set<string>();
+        try {
+            const o = JSON.parse(json || '{}') as Record<string, boolean>;
+            for (const k of Object.keys(o)) {
+                if (o[k]) s.add(k);
+            }
+        } catch (e) {
+            console.warn('[LevelMapData] borderJson parse error', e);
+        }
+        return s;
+    }
+}