in gpu lightmass i am trying to use a material that utilizes “box mask -3d” in the material. It works in real time. In CPU lightmass the object with the material wont cast a shadow… in gpu lightmass it casts a shadow but its a solid shadow with none of it masked out…
Any ideas on how i can make it work? Im trying to carve out parts of the wall without creating new geometry… just masking it out with a 3d box.