* General cleanup
* Removed ExtractImposterToRawMesh() which was overspecialized and not specifically handling Imposters
* Renamed remains of FRawMesh to MeshDescription
#rb patrick.enfedaque
[CL 14243261 by Sebastien Lussier in ue5-main branch]
Prepared direct attribute access for deprecation, preferring use of APIs to access static mesh attributes.
Fixed recently merged Enterprise code to comply with new APIs.
Changed all tools to use triangle-centric iteration where possible.
Added new MeshAttributeArray APIs for querying attribute flags, and added a new Mandatory flag.
Various bug fixes.
#rb Alexis.Matte
[CL 13873755 by Richard TalbotWatkin in ue5-main branch]
#rnx
#rb none
#ROBOMERGE-SOURCE: CL 10869240 via CL 10869516 via CL 10869902
#ROBOMERGE-BOT: (v613-10869866)
[CL 10870584 by ryan durand in Main branch]
Added new accessors for getting individual SourceModels, or the entire array.
#rb none
#jira none
#ROBOMERGE-SOURCE: CL 7668562 in //UE4/Release-4.23/...
#ROBOMERGE-BOT: RELEASE (Release-4.23 -> Main) (v372-7473910)
[CL 7668565 by richard talbotwatkin in Main branch]
The jira I put here must be re-tested since I change the fix for it.
#jira UE-70972
[FYI] johan.duparc
#ROBOMERGE-SOURCE: CL 6023508 via CL 6023509 via CL 6024040
[CL 6024213 by alexis matte in Main branch]
#jira UE-70972
#rb JeanLuc.Corenthin
#ROBOMERGE-SOURCE: CL 5355841 in //UE4/Release-4.22/...
#ROBOMERGE-BOT: RELEASE (Release-4.22 -> Main)
[CL 5367791 by johan duparc in Main branch]
- MeshDescription now held as compressed bulk data and unpacked on demand. This is managed by FMeshDescriptionBulkData.
- Made RawMesh accessors in StaticMesh responsible for performing legacy conversion from MeshDescription if necessary.
- Added FBulkDataReader/FBulkDataWriter for serializing bulk data to/from archives.
- Added FUntypedBulkData::UnloadBulkData() for releasing the bulk data allocation without invalidating it (so it can be reloaded when necessary). Editor only.
- Renamed StaticMesh MeshDescription methods (now GetMeshDescription(), CommitMeshDescription() etc).
- Removed unnecessary mesh description attributes from StaticMesh: those which are used only by Editable Mesh, and transient attributes which are automatically generated when needed for building vertex tangent space.
- Slight change to FAttributesSetBase::RegisterAttribute(): if the attribute specified already exists, it will be amended to adopt the type, passed flags and number of indices. If only the number of indices changes, any existing data will be preserved if possible.
- Added TMeshAttributesRef::Copy() to copy an entire attributes array from one name/index to another.
- Changed implementation of TMeshAttributesRef/TMeshAttributesView to provide a const ref/view if the template type parameter is const. Added TMeshAttributesConstRef/TMeshAttributesConstView as an alias for backwards compatibility.
- Added FMeshDescription::IsEmpty() for determining whether a mesh description has any content or not.
- Removed versioning GUID for mesh description: this should be handled by each mesh description client now.
#rb Alexis.Matte
[CL 4644791 by Richard TalbotWatkin in Dev-Editor branch]
Move triangulation from editable mesh to MeshDescription
Fix the edge creation when importing a fbx to mesh description
Add automation tests for mesh description, add some conversion tests
Load orion monolith02 level succesfully using meshdescription instead of rawmesh
#rb none
[CL 3817088 by Alexis Matte in Dev-Geometry branch]
