AtlasMaterialKey
- Key struct used to identify an atlas material group by its group index and the number of merged meshes.
* Used as a TMap key for atlas material lookups with hashing support.
| Property | Type | Description | Metadata |
|---|---|---|---|
| GroupIdx | int32 | Index of the atlas material group this key belongs to. | |
| MergeMeshNum | int32 | Number of meshes merged into this atlas material group. |