{
  "added_at": "2026-11-08",
  "additional_evidence_urls": [
    "https://github.com/Cirno-Labs/th07/blob/7a027971293f3e1efe1f71060a3a51b66c681bf1/orig/README.md"
  ],
  "category": "reconstruction-cases",
  "class": "game",
  "description_en": "th07 reconstructs C++ for the retail 1.00b executable of Touhou 7: Perfect Cherry Blossom using Ghidra analysis, the original Visual C++ .NET 2002 toolchain and byte comparisons against a user supplied game copy. The author reports that its standalone executable matches all 650,752 bytes of the original and documents replay trace comparisons.",
  "description_zh": "th07 使用 Ghidra、原版 Visual C++ .NET 2002 工具链和逐字节比对，重建《东方妖妖梦》零售版 1.00b 可执行文件的 C++ 源码。作者报告称，独立构建的可执行文件与原版 650,752 字节完全一致，并记录了回放轨迹比对。",
  "entry_url": "https://awesomerea.org/resources/cirno-th07-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/cirno-th07-case/",
  "evidence_class": 2,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/Cirno-Labs/th07/blob/7a027971293f3e1efe1f71060a3a51b66c681bf1/README.md",
  "group": "cases",
  "id": "cirno-th07-case",
  "json_url": "https://awesomerea.org/resources/cirno-th07-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/cirno-th07-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/cirno-th07-case/index.md",
  "name": "th07: reconstructing Touhou 7 retail 1.00b",
  "name_zh": "th07：《东方妖妖梦》零售版 1.00b 源码重建",
  "reconstruction_method": "matching-decompilation",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "prerequisites",
    "testing",
    "license"
  ],
  "requirements": [
    "A user supplied copy of Touhou 7 retail 1.00b is required.",
    "Build dependencies include 32-bit Wine, Python 3, just, binutils, 7-Zip, Visual C++ .NET 2002, the Windows XP SP2 Platform SDK and the DirectX 8.0 SDK.",
    "The author reports whole-file byte identity; ten of 36 replay recordings fail full-route validation in both the original and rebuilt executable.",
    "GPL-3.0-only."
  ],
  "requirements_zh": [
    "需要用户自行提供《东方妖妖梦》零售版 1.00b。",
    "构建依赖包括 32 位 Wine、Python 3、just、binutils、7-Zip、Visual C++ .NET 2002、Windows XP SP2 Platform SDK 和 DirectX 8.0 SDK。",
    "作者报告称可执行文件逐字节一致；36 份回放中有 10 份在原版和重建版中均未通过完整路线验证。",
    "许可证为 GPL-3.0-only。"
  ],
  "scope": "unknown",
  "targets": [
    "game"
  ],
  "url": "https://github.com/Cirno-Labs/th07",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}