- Add sign for line speed 20 (else no way to return to max line speed once set)
- When no distant signal info available (default), Ks displays green light (2 sections free)
- Normal and wall signals again signal maximum speed (persistent restriction can be given via line speed nouw)
...to support an arbitrary number of connections for rails, which leads to these new features:
- switches now get recognized by the trackworker correctly
- ability to add real rail crosses
During this, I also rewrote the rail registering system and the conway function (important part of path prediction)
Note, developers: the track preset format changed, you might need to rewrite them according to the presets in tracks.lua if you wrote your own
(possibly breaks advcarts)
advtrains will keep its own node database code for reasons of crash recovery, with the handicap that improvements to nplib need to be manually backported.