What’s new Houdini Engine, APIs, & Plug-ins

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Unreal plug-in ¶

Compatible with Unreal Engine 5.3..
macOS Apple Silicon support for Unreal Engine 5.2.
Supports World Partition exports from Houdini (Unreal Engine 5.0).
Video courtesy of Cody Spahr.
- Supports import and export of Data Layers to and from houdini.
  
  Video courtesy of Cody Spahr.
- Height fields now support World Partitioned Landscapes.
- Supports foliage instancing within World Partition.
- HLOD Layers settings can be imported and exported as attributes.
Supports Unreal’s one file per actor (OFPA) feature.
HoudiniTools utilities helps keep your HDAs organized and accessible in your Unreal Engine project.

Video courtesy of Cody Spahr.
Added support for presets of an HDA’s parameters, inputs, and properties.
Landscape Spline are now supported for import/export.

Video courtesy of Cody Spahr.
Skeletal Meshes and Animation assets are now supported for import/export.
New reference-counted Inputs system that reproduces the Unreal hierarchy in the Houdini Engine session. This system is faster as it prevents duplication of data.
Input types have been condensed and UI redesigned
Node Sync now fully supports all inputs/outputs types and options.

Added support for a new Spline Input Object. This allows artists to use Unity’s Splines package (supported in Unity version 2022.1 and later) to create and manipulate splines in the editor as HDA inputs the same as HE for Unity’s Curve Editor.

Support for Tracy.
Added support for querying and setting dictionary attributes. See What’s New in HAPI.
Optimizations: the new HAPI functions SetAttributeUniqueData sets multiple attributes to a single, unique value.
New Houdini Engine Sample application provides studios with a source of reference and inspiration when writing Houdini integrations for their own DCC application or game engine.
HARS crash handling.
Optimizations to functions that set attributes.
New API functions for querying loaded assets.