Unreal的InstalledPlatforms配置
UnrealBuildTool/System/InstalledPlatformInfo.cs中会读取InstalledPlatforms配置。
此配置存储在: <HomeDir>/AppData/Local/UnrealEngine/5.1/Intermediate/Config/CoalescedSourceConfigs/Engine.ini中
Unreal的TargetPlatforms
DiscoverAvailablePlatforms -> FDataDrivenPlatformInfoRegistry::GetAllPlatformInfos -> LoadDataDrivenIniFile -> GetDataDrivenIniFilenames
所有配置了DataDrivenPlatformInfo.ini的Platform都会被找到。