Displacement Discrepency between Game & Hammer

[EArkham]

Anyone see this happen before?

In game:

In Hammer (displacement selected for clarity, but nothing has been changed since compile):

What's going on here. I guess I have to kill it and rebuild, but I'd like to know what's causing this.

 

[Fruity Snacks]

My first assumption is either a Vis error or a TJunct error. I lean towards TJunct.

 

[fubarFX]

instanced displacements can give odd results

 

[EArkham]

You know, it is instanced. Okay, I guess I can copy-paste that into the main file before compiling to see what will happen.

[Edit] And this instance is rotated, which probably not coincidently would make that little "bulge" of the displacement match up in reverse to how much of a gap is there. Weird! But TIL.

 

[fubarFX]

yeah the offset created for each point is relative to the main vmf or something. that gets messed up when instances come into play. it's weird how hammer can handle this but not bsp. newer versions or source probably support instanced displacements but I don't know. we have to deal with this for now