[OSM-legal-talk] Using OSM data, to generate game worlds. How does the license apply to projects like this?

[darkdanube]

Hi!

I would like to develop a game, which uses OpenStreetMap data to generate
game maps, and game assets ( like 3D models ). The 3rd point of Legal FAQ
is a bit confusing to me. Are the generated objects considered as
"Derivative Database"? Is it enough to clearly acknowledge, that I use OSM
data in the game? The OSM datas are not altered, but a completely new
dataset is generated from it.

I've found a similar question in the wiki, about "using OSM data in a
computer game together with other data sources". It states, that "OK as
long as the games company also provides an offer of the open derivative DB
free from technical measures in parallel. Otherwise, its explicitly
disallowed."
Is the "derivative DB" the subset of openstreetmap data, that I use in the
game? Or does this also include the generated game objects, and the
algorithm to generate them as well?
Does "provides an offer" mean, that I can charge the development costs ( or
more ) for someone, who wants to acquire the game files in an accessible
format?

I do not wish to make the generated objects ( 3D models, game maps, etc...)
freely available, and I also could not afford to open source the game, and
the code, which generates the game objects from OSM data. It would mean,
that anyone could get a free copy of my work.

What if I convert the required OSM data to a proprietary format first, and
then import that in the game? In that case, the game could even work with
other sources, which produce that proprietary format, not just OSM.

What if the game objects are generated on a server and sent to the players
machine, when they visit a new area in the game? There is not really a
constant database then, but an ever changing one.

There are some commercial games available, which use OSM data, like Pokemon
Go, 911 Emergency Manager, etc... I am not able to find any website or
offer, where folks could download their derived databases. How did they
solve it?

Thanks,
Lucas
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