On Sat, Feb 20, 2021 at 05:49:28PM -0700, Thomas Frohwein wrote:
> Hi,
>
> This is a port of libgdx, a framework for games in Java. It has been
> used for a variety of high-profile indie games in recent years. Notable
> titles include Slay the Spire, Pathway, and others [1].
>
> This port has been made with the main purpose to allow some of those
> games to run, rather than development (although game development might
> also be possible with it). It builds a number of different backend
> libraries (JNI), as well as Java classes that are able to recognize
> OpenBSD as a valid operating system, rather than erroring out.
>
> This has mainly been tested with Slay the Spire, and the port comes
> with 2 helper scripts (libgdx-setup and libgdx-run) that allow for ease
> of use with Slay the Spire. I am hoping to expand the usability of the
> port and the included scripts to include other games in the near
> future.
>
> The version of libgdx is 1.9.11 because that is the apparently last one
> that doesn't break backwards compability for Slay the Spire. It can
> also run the game Mewnbase (although the setup is currently much more
> complicated). I anticipate that multiple separate versions of the port
> may be worth having in the future to support at least some of the
> better games with incompatible libgdx backend versions. I haven't found
> one yet that requires a different version than 1.9.11 and runs well, so
> I'm deferring multi-version setup for now.
>
> A few technical notes on the port:
>
> - maven pulls in a bunch of dependencies from online [2]. The way I
> work around this is with the m2repo-libgdx-${VERSION} package that
> contains all of them, and the '-o' switch for offline mode. I have
> reviewed the build logs for any hints of it still trying to download
> and have done a build with the internet connection turned off and all
> is good for offline building.
> - There are many dependencies, with licenses summarized in the Makefile
> (Apache 2.0, BSD, LGPL, Eclipse Public License)
>
> If you own Slay the Spire, you can test the port by going into the
> game's directory where 'desktop-1.0.jar' is located, then run:
>
> $ libgdx-setup
> $ libgdx-run
>
> The game works very well overall, but online features and gamepad are
> not supported at the moment. There is also a high-frequency flickering
> of transparent/fading objects that I haven't been able to debug yet.
> Occasionally, it fails to load libopenal on startup.
>
> On another technical note: a few of the patch-* filenames are too long
> for tar(1), so I made the tarball with gtar. I was able to unpack it
> with tar(1) without issues.
>
> [1] https://libgdx.com/
> [2] https://mvnrepository.com/
I tested this builds for me on amd64, and the wrapper scripts work for
me with Slay the Spire (after some self-inflicted foot injuries).
There are some improvements that can be made but that can always happen
in-tree.
-Bryan.
