在构建 Xbox One 串流安装包 (makepkg.exe) 时，Unity 中的布局生成代码将为各个块分配每个场景及关联资源。Unity 会将 Scene 0 标记为启动范围的一部分，即启动游戏所需的一组块，您可以根据需要在此启动范围中包含其他场景，这将指定要包含在启动组中的一系列场景（从 0 开始）。
（注意：如果用户使用他们自己的布局文件，则此选项毫无意义，使用自定义布局文件才是处理更高级打包要求的正确方法）。
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