Glad that you got it to work. If you wish, running `./robinson.jar` from the command line should also work.
Thanks again for detailed responses. While it may be possible to make the saving code more efficient, I agree with you that the majority of the slowdown is likely due to lack of hardware accelerated rendering. What I suspect is that a software rendering fallback may be consuming cpu cycles as we have similarly powered systems. Mine is an old Athlon II.
Nope, I'm getting
honeycomb@bratek:~/robinson-linux-x64-2018.12.08-21.11.52-a7fdcf0$ ./robinson.jar ./robinson.jar: line 1: syntax error near unexpected token `)'
./robinson.jar: line 1: `:;exec $dirname $0)/bin/java -Xdebug -XX:-OmitStackTraceInFastThrow -XX:MaxGCPauseMillis=20 -Dhttps.protocols=TLSv1 -Drobinson.version=0.0.1-SNAPSHOT -jar $0 "$@"'
I was being silly with the permissions of the gaming user: it was enough to add him to the 'video' group and now I get "frames 29", though total CPU usage when the game is idle is still quite high: 70%. Anyway, I don't need to to move to Windows, which is a happy turn of events. :)
