The ticket is for the doubled keys
I'm not sure whether setting true or false is a good idea, I'll let @wraitii @vladislavbelov @historic_bruno @trompetin17 answer
I wanted something similar to this (the settlers 5)
Basically the building changes the heightmap so that unit may pass. In a more complex version, it would allow artists to set the angle. But this is just a wish o mine.
Hey welcome to the forums!
For programming you can start right away and come to talk to us on IRC #0ad-dev on Quakenet.
Sounds a bit weird considering your application title