paul chipchase bff1bc0c91 Allow the virtualization of assets to be opt in, as well as opt out. This would allow a project to selectively turn on virtualization for specific locations or plugins rather than for the whole project by default. ...

#rb PJ.Kack
#jira UE-133473
#preflight 620bf6ae483ff0ae5ec22257

### VirtualizationManager
- Added EPackageFilterMode that can be set via [Core.ContentVirtualization] in the config file to control the default virtualization behavior.
-- When set to EPackageFilterMode::OptOut(the default) all package paths will virtualize unless excluded by a pattern in UVirtualizationFilterSettings::ExcludePackagePaths.
-- When set to EPackageFilterMode::OptIn then no package path will virtualize unless included by a pattern in UVirtualizationFilterSettings::IncludePackagePaths.
- Added a TRACE_CPUPROFILER_EVENT_SCOPE to the constructor and ::MountBackends to better track the set up time costs.
- Change use of FConfigCacheIni::LoadLocalIniFile to use GConfig, there is no need to load our own.
- Improved verbose logging to show when a payload is rejected via filtering.
- We now early out if all payloads being requested in a push are rejected during validation.
- Renamed the FString overload for ::ShouldVirtualizePackage to ::ShouldVirtualize to make the difference clearer.
- Added support for UVirtualizationFilterSettings::ExcludePackagePaths when filtering

### UVirtualizationFilterSettings
- Now has a new FString array ExcludePackagePaths, which contains the paths/patterns used to force packages to be virtualized when filtering.

[CL 19010992 by paul chipchase in ue5-main branch]

2022-02-16 01:27:09 -05:00

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