Any chance to get the unreal engine project files for how you set up the demo, I was interested in seeing how you did the doors in the last screenshot :) ?
Bought the pack and I can't find it
Viewing post in PS1 PSX Old Interior Pack comments
Unfortunately i dont have the project files anymore.
But If I remember correctly, the Double door was made with a blueprint actor with a Double door frame and 2 Regular wood doors as child.
And the logic inside the bp should be something like this video