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>

tools/recover-and-unify-textures.py

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+#!/usr/bin/env python3
+"""用 Unity 源贴图 MD5 匹配恢复 __stage__，并完成 sanxing 命名统一。"""
+from __future__ import annotations
+
+import hashlib
+import json
+import os
+import re
+import shutil
+from pathlib import Path
+
+ROOT = Path(__file__).resolve().parents[1]
+TEX = ROOT / "assets" / "resources" / "textures"
+UNITY_TEX = Path("/Users/liuyufei/tfrh/竞赛/scratch-unity-base/Assets/Texture")
+
+# 复用 unify 脚本的 RENAMES
+import importlib.util
+_spec = importlib.util.spec_from_file_location(
+    "unify", ROOT / "tools" / "unify-theme-texture-names.py"
+)
+_unify = importlib.util.module_from_spec(_spec)
+_spec.loader.exec_module(_unify)
+RENAMES = _unify.RENAMES
+_norm_rel = _unify._norm_rel
+build_rename_lookup = _unify.build_rename_lookup
+move_pair = _unify.move_pair
+apply_renames = _unify.apply_renames
+cleanup_empty_dirs = _unify.cleanup_empty_dirs
+move_legacy = _unify.move_legacy
+SANXING_KEEP = _unify.SANXING_KEEP
+THEME_SHIP = _unify.THEME_SHIP
+build_path_replacements = _unify.build_path_replacements
+patch_text_files = _unify.patch_text_files
+patch_themes_database = _unify.patch_themes_database
+patch_palettes = _unify.patch_palettes
+
+UNITY_SOURCES: dict[str, list[Path]] = {
+    "silu": [UNITY_TEX / "silu"],
+    "numMan": [UNITY_TEX / "numMan"],
+    "redArmy": [UNITY_TEX / "redarmy"],
+    "chinese": [UNITY_TEX / "Panda", UNITY_TEX / "Chinese"],
+    "snow": [TEX / "snow"],  # snow 仅 Cocos，从现有目录取
+    "sanxing": [TEX / "sanxing"],
+}
+
+
+def md5_file(path: Path) -> str:
+    h = hashlib.md5()
+    with path.open("rb") as f:
+        for chunk in iter(lambda: f.read(65536), b""):
+            h.update(chunk)
+    return h.hexdigest()
+
+
+def build_unity_hash_index(theme: str) -> dict[str, str]:
+    """md5 -> theme 内相对路径（不含 .png）"""
+    index: dict[str, str] = {}
+    for src_root in UNITY_SOURCES.get(theme, []):
+        if not src_root.exists():
+            continue
+        for png in src_root.rglob("*.png"):
+            rel = png.relative_to(src_root).as_posix().replace(".png", "")
+            # chinese: Panda/待机/机器人 -> skin/待机/机器人 便于 lookup
+            if theme == "chinese" and rel.startswith("Panda/"):
+                rel = "skin/" + rel[len("Panda/"):]
+            digest = md5_file(png)
+            index[digest] = rel
+    return index
+
+
+def recover_stages_by_hash() -> int:
+    lookup = build_rename_lookup()
+    recovered = 0
+    for stage in sorted(TEX.rglob("__stage_*.png")):
+        theme_key = stage.relative_to(TEX).parts[0]
+        digest = md5_file(stage)
+        rel = build_unity_hash_index(theme_key).get(digest)
+        if not rel:
+            continue
+        new_rel = lookup.get((theme_key, Path(rel).name)) or lookup.get((theme_key, rel))
+        if not new_rel:
+            continue
+        dst = TEX / theme_key / f"{new_rel}.png"
+        if move_pair(stage, dst, skip_if_dst_exists=True):
+            recovered += 1
+            print(f"  hash-recovered {theme_key}: {rel} -> {new_rel}.png")
+    return recovered
+
+
+def copy_from_unity_if_missing(theme: str) -> int:
+    """目标路径缺失时从 Unity 复制并重命名"""
+    lookup = build_rename_lookup()
+    count = 0
+    for src_root in UNITY_SOURCES.get(theme, []):
+        if not src_root.exists() or src_root == TEX / theme:
+            continue
+        for png in src_root.rglob("*.png"):
+            rel = png.relative_to(src_root).as_posix().replace(".png", "")
+            if theme == "chinese" and rel.startswith("Panda/"):
+                rel = "skin/" + rel[len("Panda/"):]
+            key_name = Path(rel).name
+            new_rel = lookup.get((theme, key_name)) or lookup.get((theme, rel))
+            if not new_rel:
+                continue
+            dst = TEX / theme / f"{new_rel}.png"
+            if dst.exists():
+                continue
+            dst.parent.mkdir(parents=True, exist_ok=True)
+            shutil.copy2(png, dst)
+            count += 1
+            print(f"  copied {theme}: {rel} -> {new_rel}.png")
+    return count
+
+
+def remove_orphan_stages() -> None:
+    legacy_root = TEX / "_orphan_stages"
+    for stage in TEX.rglob("__stage_*.png"):
+        rel = stage.relative_to(TEX)
+        dest = legacy_root / rel
+        dest.parent.mkdir(parents=True, exist_ok=True)
+        move_pair(stage, dest)
+
+
+def main() -> None:
+    print("=== MD5 恢复 __stage__ ===")
+    n_hash = recover_stages_by_hash()
+    print(f"  恢复 {n_hash} 个")
+
+    print("=== 从 Unity 补全缺失文件 ===")
+    n_copy = 0
+    for theme in ["silu", "numMan", "redArmy", "chinese"]:
+        n_copy += copy_from_unity_if_missing(theme)
+    print(f"  复制 {n_copy} 个")
+
+    print("=== 常规重命名 ===")
+    n = apply_renames()
+    print(f"  重命名 {n} 个")
+
+    print("=== 清理 ===")
+    remove_orphan_stages()
+    for theme in ["silu", "snow", "numMan", "redArmy", "chinese"]:
+        cleanup_empty_dirs(TEX / theme)
+        keep = set(SANXING_KEEP) | set(THEME_SHIP.get(theme, ()))
+        move_legacy(theme, keep)
+
+    print("=== 更新引用 ===")
+    patch_text_files(build_path_replacements())
+    patch_themes_database()
+    patch_palettes()
+    print("完成。")
+
+
+if __name__ == "__main__":
+    main()