[Patch] Contextual construction information: cost, length and modifier hints

[prissi]

Oh my, the bridges and tunnel code was quite broken, never checked for bridges and tunnels if there was no an insurmountable obstacle. Also could not start on slopes. Also the double slope bug fixed.

Nor the inital city road builder does quite impressive routes through alpine terrain.

You may want to play with the values of the new parameters
way_tunnel=10
way_bridge=8

If this works, we can think of the next release ...

[Andarix]

....
If this works, we can think of the next release ...

Set up a tab and then cycle through the tabs.

[prissi]

That tool is not ready at all, but the way builder build on forbidden slopes was not ok.

That tool needs still a lot of work...

[makie]

That looks already very good.

Something isn't quite working right yet with bridges at double height differences. This works in version 2.5. See video. I don't know when that changed.
https://makie.de/dhb.webm
The video shows manual building. However, the Way builder don't build it that way either.

Set up a tab and then cycle through the tabs.

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Another video:
https://makie.de/dhb2.webm
Manually going over the embankment.
The WB refuses to build over the embankment and also over the DH slopes.