Erwin Heyms

Erwin Heyms

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Instancing Decal actors (and other standard actors) in UE4 2021年3月3日5:30

Hello all, I'm trying to find a way to spawn directly decal actors from the H-engine in UE4.
Since decal actors (and other default actors) are not assets from the asset browser but instead native actors, I'm not sure how to address them.

I've looked but can't find concrete documentation. Though I understand from changelogs I've read that this should theoretically be supported... ?

Likewise I imagine that I can set the material on the decal actor using the u_property attribute ?

Any information or guides on this?

Sincerely,
Erwin Heyms

Loading one HDA multiple times very slow 2021年1月15日10:17

This is directly related to the amount of nodes you are loading and the operations each node is performing on initialization.

When Houdini opens a scene, it caches all the nodes in the scene to memory and performs certain checks on the data.
It also bloats your memory footprint.


Every copy of a HDA gets this treatment, and as far as I'm aware you can't instance a node.

So either design your HDA to allow multiple birds to be spawned at once, or perhaps cache your data and then load it using a lightweight asset.

I'm not fully informed on all of Houdini's capabilities so I might missing more substantial that can help you.

Python 3 - printing to console not working 2021年1月15日10:12

+1 on this topic.

I just updated to Houdini 18.5 and also just noticed this.
I make a lot of use of this to debug, or provide feedback to the user. having to open the python shell to get information is annoying.

I'd like it to be able to output to the console on print like it has been able to.