The Class C had an all-in-one/wet bath. 3 of us showered in the wet bath, one after the other. Once done, I ran a squeegee over the walls and floor, then laid a "floor towel" on the floor. The floor towel was a thickish small towel that was made to put on the floor in a normal bathroom. You may remember using one in a hotel/motel. I had a couple of them. The shower curtain was held against the door with a couple of bungie cords. That way we didn't end up with the shower curtain attacking us during showering.
The truck camper has a wet bath. My daughter and I do the same thing. The difference being that I removed the shower curtain and solid bathroom door. I replaced the door with a vinyl accordion door and tossed the shower curtain into the garbage.