Static Mesh
Static meshes are simple. The tool looks in the Export set for objects of type MESH and sends them to unreal as individual Static Mesh assets to unreal.
In this example, you can see the result is two Unreal Static Mesh assets along with their material.
LODs
LOD workflows for static meshes are supported. Simply activate the LODs option in the LOD Settings group and Send to Unreal will handle exporting and importing each LOD.
Note
If your mesh has a LOD naming scheme and Import LODs is true, the LOD postfix will get stripped out of the final asset name based on the lod regex. For example:
pCube1_LOD0 = pCube1
pCube2_lod0_mesh = pCube2
Also notice that the LOD build settings can be set under the Import > Editor Settings > Static Mesh LOD Build Settings group.
Note
The Editor Settings corresponds to what is available in the EditorStaticMeshLibrary in the Unreal Python API:
Collisions
Simple collision workflows for static meshes are supported by prefixing your collision names with their respective identifiers and making them a child of the mesh.
| Mesh Prefix and Name | Description |
|---|---|
UBX_[RenderMeshName]_## | A Box must be created using a regular rectangular 3D object. You cannot move the vertices around or deform it in any way to make it something other than a rectangular prism, or else it will not work. |
UCP_[RenderMeshName]_## | A Capsule must be a cylindrical object capped with hemispheres. It does not need to have many segments (8 is a good number) at all because it is converted into a true capsule for collision. Like boxes, you should not move the individual vertices around. |
USP_[RenderMeshName]_## | A Sphere does not need to have many segments (8 is a good number) at all because it is converted into a true sphere for collision. Like boxes, you should not move the individual vertices around. |
UCX_[RenderMeshName]_## | A Convex object can be any completely closed convex 3D shape. For example, a box can also be a convex object. |
The underlying mechanism for this is the Unreal FBX importer, so for further information, please refer to the FBX Guide for static meshes.
Collisions are imported with the asset that matches the [RenderMeshName] after the collision prefix.
Note
Collisions must be in the Export collection to be exported.
Sockets
There is a supported workflow for adding sockets to static meshes.
Any child mesh that has the pre fix SOCKET_ in its name will be separately imported as a socket of its parent.
Note
Socket names have the SOCKET_ prefix stripped out. SOCKET_socket_01 in blender becomes socket_01 in unreal.
Only Mesh
To run a strictly mesh asset import (ex: excluding import of particle systems as groom assets), all import options must be turned off in your import settings except for Mesh.