* Added a FBoxSphereBounds::Builder class to help avoid these kind of issues
#rb jeanfrancois.dube, patrick.enfedaque
[FYI] Graham.Wihlidal
#preflight 6419e677ec01de1664d3e95c
[CL 24739078 by sebastien lussier in ue5-main branch]
* Use FMatrix as the conversion to FTransform can't handle non uniform scaling
#rb patrick.enfedaque
#preflight 63f7bb45dd78dd50f60568bb
#tests built HLOD for Asteria, no more floating pieces (a few neon signs were using ISMCs with non-uniform scaling)
[CL 24397797 by sebastien lussier in ue5-main branch]
FHierarchicalLODUtilities::BuildStaticMeshForLODActor() - When adding impostors, should use the component transform rather than the actor transform
PR #8624: HLOD imposters take component instead of actor transform (Contributed by ToniSeifert)
#rb patrick.enfedaque
[CL 24393186 by ToniSeifert in ue5-main branch]
* In this case, instead of baking each mesh material property to it's own buffer, we can write all the meshes to the same buffer as their UVs are already the final ones that do not overlap
* Memory usage is greatly reduced (in test case with ~300 materials to bake, peak is reduced by 5.5GB)
* A lot faster to process (~2x in most cases) as we are doing a single RT readback per baked material property
* We can also skip the final merge of the baked outputs, as we have a single one
Refactored the material baking module to have both code paths (single output and multi outputs) share as much code as possible
#rb jeanfrancois.dube
#preflight 63eba6e0284e76cdadbecb48
[CL 24226039 by sebastien lussier in ue5-main branch]
* Moved material creation in MergeComponentsToStaticMesh() to a standalone utility function
* Deprecate bCreateMergedMaterial
#rb trivial
[CL 24197343 by sebastien lussier in ue5-main branch]
We new merge the collisions of all the instances in the ISM component, instead of a single collision instance using just the component transform.
Also exposing a utility function for getting the collision information of a list of components.
#rb Richard.TalbotWatkin
#jira UE-174128
#preflight 63c99511c503023ab929831e
[CL 23814991 by benoit deschenes in ue5-main branch]
Merging static mesh actors resulted in static mesh sockets getting lost
* Added a "Merge Mesh Sockets" option to the Mesh Merge Settings
#rb jeanfrancois.dube
#preflight 63c0b1e602024f93d8d2f6af
[CL 23672695 by Sebastien Lussier in ue5-main branch]
Now used in place of duplicated code in:
* UHLODBuilder::BatchInstances()
* FMeshMergeUtilities::MergeComponentsToInstances
* FPackedLevelActorISMBuilder::PackActors
#rb patrick.enfedaque
#preflight 637f87defa348e84808f0c99
[CL 23261629 by sebastien lussier in ue5-main branch]
Change consist of only forward declaration and additional includes
#preflight 63789c1de30d438849c48188
#rb none
[CL 23218412 by henrik karlsson in ue5-main branch]
* Refactored ExportToRawMesh function to allow exporting one mesh section per component
* Implemented support for UV mappings usually provided by the landscape vertex factory in the non-Nanite case (as per the LandscapeLayerCoords material expression + others)
* For Nanite landscape materials, the relevant UV channels are :
** Texcoords0-2 : TerrainCoordMapping_XY, TerrainCoordMapping_XZ, TerrainCoordMapping_YZ (note : TerrainCoordMapping_XZ doesn't work ATM because texcoords1 seems to be a special case...)
** Texcoords3 : WeightmapUV
** Texcoords4 : LightmapUV (not implemented by ExportToRawMesh yet and not supported by Nanite meshes ATM : max 4 UV channels)
** Texcoords5 : HeightmapUV (implemented by ExportToRawMesh but not supported by Nanite meshes ATM : max 4 UV channels)
* Nanite landscape meshes now have 1 polygroup per component, with the proper landscape material instance being assigned to it
* Since Nanite meshes are capped at 64 meshes per section, Nanite landscape mesh will now fail to build on proxies sporting more than this amount of components. This is a first implementation and can be fixed later by adding as many Nanite landscape components as needed
* Implemented some missing virtual overrides on FLandscapeMaterialResource leading to landscape material instances potentially being used for non-landscape usages (hair, etc.)
* Fixed LandscapeNaniteComponent not being attached to the root component (and the mesh being exported in world space coordinates), leading to it not following when moving the actor
* Added NaniteLODIndex property in ALandscape to be able to tweak the LOD level used when generating the Nanite meshes. It's mostly a debug feature to test the LODLevel > 0 landscape mesh export and to accelerate the Nanite landscape mesh generation since you usually want Nanite to be the most defined mesh possible
* All Nanite landscape meshes will be auto-invalidated by this change
#rb roey.borsteinas, graham.wihlidal
#preflight 6365e2a2882365b8590525ac
#lockdown marc.audy
[CL 23069843 by jonathan bard in ue5-main branch]
