- This feature allows different chunk layout on different platforms.
- Most mapping work is done in AssetRegistryGenerator.
- Terminology of ChunkID and Pakchunk Index are now separated and they are no longer the same if chunk id to pakchunk index mapping is defined. The ChunkIDs in FAssetData is not renamed to keep consistency, but it actually is pakchunk index. FAssetData.ChunkIDs is used for ChunkInstall.
- Chunks with encryption key guid or unique assetregistry name are not allowed to be mapped. There are code to filter out those chunks and log errors while initializing mapping
- CheckChunkAssetsAreNotInChild() and ResolveChunkDependencyGraph() is skipped when making build for XboxOne and PS4, since they are not needed. If for some reason, we need chunk dependency on console builds, we need to implement per-platform dependency graph, since now we support different chunk layout on different platforms.
- Disabled a few pak file overide rules for console builds, since they should only be applied to builds with Kairos chunk layout.
#test A preflight was kicked and tested on PS4 and XboxOne. No new issue was found.
#rb Daniel.Lamb
#ROBOMERGE-SOURCE: CL 5470414 via CL 5474050
[CL 5474308 by hongyi yu in Main branch]
- Added support for compression plugins
- Removed the Custom compression concept, now using plugins properly
- Modified UnrealPak to use FNames, and allow for multiple compression methods (fallbacks on error or unavailability, etc)
- Added project settings for compression method selection for UnrealPak, and additional settings to be passed to UnrealPak (for instance, to control compression size/speed, etc)
- Deprecated a bunch of old function calls
- Improved pak file "old format" reading ability
- Brought over some changes from Fortnite for pak file encryption and memory savings
- Implemented a parallel compression pull request (#4129) to speed up pak file compression
#jira UE-51294
#rb ben.marsh
[CL 4480944 by Josh Adams in Dev-Core branch]
