{
  "added_at": "2026-11-09",
  "category": "reconstruction-cases",
  "class": "game",
  "description_en": "GTA4Unity reconstructs GTA IV world loading and rendering in Unity 6 using the player's original game files. It parses IMG archives, WDR/WFT models, WTD textures, IDE definitions and IPL/WPL placements, converts RAGE coordinates to Unity space and streams world geometry through Unity's Entity Component System.",
  "description_zh": "GTA4Unity 在 Unity 6 中使用玩家的原版文件重建《GTA IV》的世界加载与渲染。它解析 IMG 归档、WDR/WFT 模型、WTD 纹理、IDE 定义和 IPL/WPL 场景放置数据，将 RAGE 坐标转换为 Unity 坐标，并通过 Unity ECS 流式加载场景几何。",
  "entry_url": "https://awesomerea.org/resources/gta4unity-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/gta4unity-case/",
  "evidence_class": 2,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/Infinity-Loops/GTA4Unity/blob/c107e46cf8ab4e3d42f9c0bf685f80bb732a3609/README.md",
  "group": "cases",
  "id": "gta4unity-case",
  "json_url": "https://awesomerea.org/resources/gta4unity-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/gta4unity-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/gta4unity-case/index.md",
  "name": "GTA4Unity: reconstructing the GTA IV world in Unity",
  "name_zh": "GTA4Unity：在 Unity 中重建《GTA IV》世界",
  "reconstruction_method": "engine-reimplementation",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "prerequisites",
    "limits",
    "license"
  ],
  "requirements": [
    "Windows, Unity 6 version 6000.4.0f1 or newer, and a licensed GTA IV installation are required.",
    "At least 8 GB RAM is required.",
    "Physics, vehicles, pedestrians and gameplay are not implemented yet.",
    "GPL-3.0 License."
  ],
  "requirements_zh": [
    "需要 Windows、Unity 6 6000.4.0f1 或更新版本，以及合法安装的《GTA IV》。",
    "需要至少 8 GB 内存。",
    "物理、载具、行人和游戏玩法尚未实现。",
    "采用 GPL-3.0 许可证。"
  ],
  "scope": "unknown",
  "targets": [
    "game"
  ],
  "url": "https://github.com/Infinity-Loops/GTA4Unity",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}