Thomas Köppe

(It's hard to know who's being portable and who isn't here. The linux manual says that the use of `NULL` is Posix-2008 compliant, and that the previous Posix-2001 version is...

I committed this change in 760ab54c166667413e476cf991a06167523339dc, and I've cherrypicked that onto the `macos` branch (for now, until I next rebase that). Does that work for you?

Great :-) Yes, SDL isn't under our control at all, I just set some reasonable defaults for Travis to work. But you need to adapt it to whatever you have...

Hm, yes, we used an internal tool to generate mazes I think. It's pretty similar to what you can do with text-based levels, though, so maybe you can just emit...

The thin-walled levels are not created with the text-level system (where you compile a textual map into a QuakeIII map). Rather, they have been created directly as QuakeIII maps using...

Which version of Bazel are you using? Can you please make sure to use the latest one, e.g. via https://github.com/bazelbuild/bazelisk?

Could you just check and say what `bazel --version` says? (I'm noting you're using a 5-year old Ubuntu 16.) Have you installed the required dependencies (https://github.com/deepmind/lab/blob/master/docs/users/build.md)?

@charlesbeattie: could you take a look at this please?

@charlesbeattie said that the depth buffer "just exposes the renderer depth buffer cast to an unsigned byte. It is linear, but to get accurate depths they would need to use...

There's a memory bug in the Python 3 implementation I just noticed. Let me fix that first. (The per-module state doesn't work; if you want to work around that, just...