So, I need to know: how do I make portals in (specifically) the GZDoom: DOOM II format. I am not referring to the GZDoom: DOOM II(UDMF).
I made some very clunky portals, but i want them to look and act like the ones in this video:
The thing is, when he sets the action for the linedefs, I cannot seem to find anything with that name or action number.