UE基础必学系列：项目和文件结构

官方文档：https://learn.unrealengine.com/course/

张佳亮：UE4插件相关说明文档

1、uproject，以商城下载的ActionRPG为例

{"FileVersion": 3,"EngineAssociation": "4.20","Category": "Samples","Description": "","Modules": [{"Name": "ActionRPG","Type": "Runtime","LoadingPhase": "Default"},{"Name": "ActionRPGLoadingScreen","Type": "ClientOnly","LoadingPhase": "PreL