Knight Launcher Compatibility

[The-File]

Currently, because we require a custom set of getdown jars and an extra.txt that requires modification as a direct result of such, this breaks third party launchers that only base themselves on running decade old java versions.

[The-File]

As per a recommendation in threerings/getdown#272

If we add "-XX:+IgnoreUnrecognizedVMOptions" to extra.txt we should be able to outright delete the getdown patches entirely, and remove the following block of text in extra.txt...

"-Djava.library.path=%APPDIR%/native
-Dorg.lwjgl.util.NoChecks=true
-Dsun.java2d.d3d=false
-Dappdir=%APPDIR%
-Dresource_dir=%APPDIR%/rsrc"

That text block is necessary because the getdown jar patch specifically knocks out reading a portion of getdown.txt.

[The-File]

It would still be required of KL to redistribute the latest set of DLLs and their accompanying jars from the last official LWJGL 2 build, as per Java 9 will not run due to JNI compatibility issues with the slightly older set Spiral Knights is distributed with by default.

As per the readme:
"Update the supporting OpenAL and JInput JNI files (.dll, .so, .dylib) to the latest versions found bundled with LWJGL 2.9.3. Additionally, the file jinput.jar under the code directory as well needs replacement."

[The-File]

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