I recently started working on a remake of Halo 2’s Warlock for Deathmatch Classic. It’s pretty much done, save for one detail.
This map contains teleporters, which -like Quake’s portals- consist of a framework with a func_water with a galaxy-ish texture on it (and yes, this texture is a !liquid texture). However, when I compile the map, only the top plane of the func_water brush seems to have the texture (like all ordinary bodies of water in the engine).
How do I make it so that the galaxy texture is drawn on the side of the func_water brush so that it fills the frame of the portal like so: