@Im 'corneum hey. feel free to contact me. Of course I can share the source of moving tiles with ddnet. It is working fine now on KoG and very easy to map. I already explained the idea to henrich5991.
Freeze, Unfreeze, Deep, Teleport, CP are working very good.
As for collision tiles: Hookable, Unhookable, Stopa - it is working fine too, but as normal client doesn't have such movement prediction - it has a small bug, depending on the players ping. It is possible to make it better if you/we integrate it into ddnet client. Moving player with the tile is not a problem of course. And playing with entities is also possible ofc.