[dead] Wagons: More train stuff

[funnysunnybunny]

Thanks for the permission to do that, I tried to run it with some dirty edits but got lost on some missing type definition i can't decipher properly (it might affect all wagons) but after fixing a few errors it seemed that quite a lot of stuff wouldn't need to be touched since it didn't throw errors, i hope I can scavenge 5dims version as well somewhere because 0.12 to 0.13 port would seem a lot easier and i lack the coding skills to work without reference basis/copy paste magic