After a lot of attempts finally figured a way to add immersive portals to generated structures. Time to make some non-euclidean mind destroying dungeons I guess.

A little bit of context:
I am making a modpack, and this is a test structure that I made to test if it is possible for immersive portals to be in structures.

Long story short it is not as easy as just building a structure with immersive portals and saving it in structure block, because portal destination and rotation is a fixed coordinate and not a relative position. Since I am not a modder and there is only datapacks and kubejs in my arsenal, I have to spawn portals and rotate them in the position when the structure is spawned. Which is not that good of a solution, but I couldn’t find anything else. If anyone wants to try this for their own modpack, I can provide some more info on how exactly did I do that. But gotta warn you that it is probably not the best way, and making a mod with such structures would probably be a better solution than a god damn datapack lol