KSP Linux Launch Script

#!/bin/bash

WINWIDTH=1919
WINHEIGHT=1069
BINARY=KSP.x86_64

# change dir to script location
cd "$(dirname "$(readlink -f "$0")")"

printf "Still can not learn locales while reading settings? setting LC_ALL=C\n"
LANG=C
LC_ALL=C
export LC_ALL
export LANG
unset LANGUAGE

printf "Fixing weird permissions from game archive.\n"
find . -type f -exec chmod 644 "{}" \;
find . -type d -exec chmod 755 "{}" \;
chmod 755 KSP.x86  KSP.x86_64  Launcher.x86  Launcher.x86_64 "${BINARY}" "$(basename "$0")"

{
    [ -x "$(which xwininfo)" ] || { printf "xwininfo not found, aborting window geometry guard!\n" >&2 ; exit 1 ; }
    STOPDATE="$(date +%s -d "180 seconds")"
    printf "Starting window geometry guard...\n"
    while [ "$(date +%s)" -lt "$STOPDATE" ] > /dev/null
    do
        WIDTH="$(xwininfo -name "Kerbal Space Program" 2>/dev/null | grep -o 'Width:[[:space:]]*[0-9]\+' | grep -o '[0-9]\+')"
        HEIGHT="$(xwininfo -name "Kerbal Space Program" 2>/dev/null | grep -o 'Height:[[:space:]]*[0-9]\+' | grep -o '[0-9]\+')"
        [ "${WIDTH:-0}" -gt "$(( $WINWIDTH *4 ))" ] && { printf "Window geometry is freaky (${WIDTH}x${HEIGHT}), killing KSP!\n" >&2 ; killall -9 "${BINARY}" ; exit 0 ; }
        [ "${HEIGHT:-0}" -gt "$(( $WINHEIGHT * 4 ))" ] && { printf "Window geometry is freaky (${WIDTH}x${HEIGHT}), killing KSP!\n" >&2 ; killall -9 "${BINARY}" ; exit 0 ; }
        [ "$WIDTH" != "$PREVWIDTH" -o "$HEIGHT" != "$PREVHEIGHT" ] && printf "Window geometry changed from ${PREVWIDTH:-NA}x${PREVHEIGHT:-NA} to ${WIDTH}x${HEIGHT}\n"
        PREVWIDTH=$WIDTH
        PREVHEIGHT=$HEIGHT
        sleep 0.2
        pidof "${BINARY}" >/dev/null || break
    done
    printf "Window geometry guard no longer needed.\n"
} &

{
    STOPDATE="$(date +%s -d "2 seconds")"
    until pidof "${BINARY}" > /dev/null || [ "$(date +%s)" -ge "$STOPDATE" ]
    do
        printf "Waiting for \"${BINARY}\" process to appear...\n"
        sleep .1
    done
    if pidof "${BINARY}" > /dev/null
    then
        printf "Bumping KSP OOM killer score in case it goes berserk and chews up all the memory at once.\nCurrent OOM score: $(cat /proc/$(pgrep "${BINARY}")/oom_score)\n"
        echo 15 > "/proc/$(pgrep "${BINARY}")/oom_adj"
        printf "New OOM score: $(cat /proc/$(pgrep "${BINARY}")/oom_score)\n"
    fi
} &

printf "Launching. Hold on to yer helmets and pray the Kraken!\n"
exec ./"${BINARY}" -screen-fullscreen 0 -screen-width $WINWIDTH -screen-height $WINHEIGHT -force-glcore -force-gfxdirect