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/visual/TilePivots.ts

@@ -0,0 +1,23 @@
+import { getThemeTilePivot } from './TileDisplayMeta';
+
+/** 与 Unity Texture/*.png.meta 中 spritePivot 一致（无主题数据时的回退） */
+export interface TilePivot {
+    x: number;
+    y: number;
+}
+
+const DEFAULT_PIVOTS: Record<string, TilePivot> = {
+    Baseblock: { x: 0.5, y: 0.92 },
+    JumpBlock: { x: 0.5, y: 0.77 },
+    WallBlock: { x: 0.5, y: 0.67 },
+    kuai11: { x: 0.5, y: 1.01 },
+    Decor23: { x: 0.5, y: 0.92 },
+    '素材切图-23': { x: 0.5, y: 0.92 },
+    '素材切图2-23': { x: 0.5, y: 0.92 },
+    '小游戏素材红色_03': { x: 0.5, y: 0.92 },
+};
+
+export function getTilePivot(tileName: string, theme?: string): TilePivot {
+    const fallback = DEFAULT_PIVOTS[tileName] ?? { x: 0.5, y: 0.92 };
+    return getThemeTilePivot(theme, tileName, fallback);
+}