• Old School RuneScape ¹⁾

• -Dsun.java2d.opengl=true enables Hardware-acceleration via OpenGL, but as of 2018/10/10, this is broken with Intel Graphics on multiple computers ²⁾
• I use jagexappletviewer.jar from OldSchool.msi because it allows the copyright footer bar to be removed upon logging in ^{3) 4)}
• The copyright footer is not hidden with OpenJDK 12 ⁵⁾

• p7zip-plugins is needed to extract jagexappletviewer.jar from OldSchool.msi later ^{6) 7)}
• wmctrl is used to toggle between windowed and fullscreen states

sudo dnf install java-11-openjdk wmctrl && sync

• wmctrl is used to toggle between windowed and fullscreen states

sudo zypper install java-11-openjdk wmctrl && sync

• TODO: Re-verify this

sudo apt install openjdk-11-jre wmctrl && sync

sudo update-alternatives --config 'java'

rm -Rf ~/'runescape/oldschool' '/tmp/oldschool' && mkdir -p ~/'runescape/oldschool' '/tmp/oldschool' && wget -O '/tmp/oldschool/OldSchool.msi' 'http://www.runescape.com/downloads/oldschool.msi' && 7z e -o'/tmp/oldschool/OldSchool-msi' -y '/tmp/oldschool/OldSchool.msi' && 7z e -o'/tmp/oldschool/rslauncher-cab' -y '/tmp/oldschool/OldSchool-msi/rslauncher.cab' && cp '/tmp/oldschool/rslauncher-cab/JagexAppletViewerJarFile'* ~/'runescape/oldschool/jagexappletviewer.jar' && wget -O ~/'runescape/oldschool/jagexappletviewer.png' 'https://lh3.googleusercontent.com/WLvp10q8TwtyVgMsYL7gW0c7NVG5vnFcRNS7oQtTnSyWbM9kgo_MS8QZa3bsylNgZDba' && rm -Rf '/tmp/oldschool' && sync

• Change opengl and uiScale flags as-needed
• opengl needs to be enabled if using a screen depth of 30/10-bit color

mkdir -p ~/'.local/share/applications' && nano ~/'.local/share/applications/Old School RuneScape.desktop'

[Desktop Entry]
Name=Old School RuneScape
Comment=Relive the challenging levelling system and risk-it-all PvP of the biggest retro styled MMO. Play with millions of other players in this piece of online gaming heritage where the community controls the development so the game is truly what you want it to be!
Categories=Game;Java;AdventureGame;RolePlaying
#Exec='/usr/bin/java' -Duser.home='/home/CHANGEME/runescape/oldschool' -Djava.class.path='/home/CHANGEME/runescape/oldschool/jagexappletviewer.jar' -Dcom.jagex.config='http://oldschool.runescape.com/jav_config.ws' -Dhttps.protocols='TLSv1.2' -Xms'768M' -Xmx'768M' -Dsun.java2d.opengl='true' -Dsun.java2d.uiScale='2' 'jagexappletviewer' 'oldschool'
Exec='/usr/bin/java' -Duser.home='/home/CHANGEME/runescape/oldschool' -Djava.class.path='/home/CHANGEME/runescape/oldschool/jagexappletviewer.jar' -Dcom.jagex.config='http://oldschool.runescape.com/jav_config.ws' -Dhttps.protocols='TLSv1.2' -Xms'768M' -Xmx'768M' -Dsun.java2d.opengl='false' -Dsun.java2d.uiScale='1' 'jagexappletviewer' 'oldschool'
Type=Application
StartupNotify=true
Path=/home/CHANGEME/runescape/oldschool
Icon=/home/CHANGEME/runescape/oldschool/jagexappletviewer.png
Actions=Screen;Update;Cache;

[Desktop Action Screen]
StartupNotify=false
Exec='/usr/bin/wmctrl' -r 'Old School RuneScape' -b toggle,fullscreen -F
Name=Toggle Fullscreen/Windowed

[Desktop Action Update]
StartupNotify=false
Exec='/bin/bash' -c "notify-send 'Updating the Old School RuneScape client, please wait...' && rm -Rf '/tmp/oldschool' && mkdir -p '/home/CHANGEME/runescape/oldschool' '/tmp/oldschool' && wget -q -O '/tmp/oldschool/OldSchool.msi' 'http://www.runescape.com/downloads/oldschool.msi' && 7z e -o'/tmp/oldschool/OldSchool-msi' -y '/tmp/oldschool/OldSchool.msi' && 7z e -o'/tmp/oldschool/rslauncher-cab' -y '/tmp/oldschool/OldSchool-msi/rslauncher.cab' && cp '/tmp/oldschool/rslauncher-cab/JagexAppletViewerJarFile'* '/home/CHANGEME/runescape/oldschool/jagexappletviewer.jar' && rm -Rf '/tmp/oldschool' && sync && notify-send 'The Old School RuneScape client has been updated!'"
Name=Update Client

[Desktop Action Cache]
StartupNotify=false
Exec='/bin/bash' -c "rm -Rf '/home/CHANGEME/runescape/oldschool/jagexcache' '/home/CHANGEME/runescape/oldschool/jagexappletviewer.preferences' '/home/CHANGEME/runescape/oldschool/jagex_cl_oldschool_LIVE.dat' '/home/CHANGEME/runescape/oldschool/random.dat' '/home/CHANGEME/runescape/oldschool/'*'.log' '/home/CHANGEME/runescape/oldschool/.java' '/tmp/oldschool' && sync && notify-send 'The Old School RuneScape cache has been cleaned.'"
Name=Cache Cleanup

sed -i 's/'CHANGEME'/'$USER'/g' ~/'.local/share/applications/Old School RuneScape.desktop'

rm -Rf ~/'runescape/oldschool/jagexcache' ~/'runescape/oldschool/jagexappletviewer.preferences' ~/'runescape/oldschool/jagex_cl_oldschool_LIVE.dat' ~/'runescape/oldschool/random.dat' '/tmp/oldschool' && sync

mkdir -p ~/'runescape/oldschool' '/tmp/oldschool' && wget -O '/tmp/oldschool/OldSchool.msi' 'http://www.runescape.com/downloads/oldschool.msi' && 7z e -o'/tmp/oldschool/OldSchool-msi' -y '/tmp/oldschool/OldSchool.msi' && 7z e -o'/tmp/oldschool/rslauncher-cab' -y '/tmp/oldschool/OldSchool-msi/rslauncher.cab' && cp '/tmp/oldschool/rslauncher-cab/JagexAppletViewerJarFile'* ~/'runescape/oldschool/jagexappletviewer.jar' && wget -O ~/'runescape/oldschool/jagexappletviewer.png' 'https://lh3.googleusercontent.com/WLvp10q8TwtyVgMsYL7gW0c7NVG5vnFcRNS7oQtTnSyWbM9kgo_MS8QZa3bsylNgZDba' && rm -Rf '/tmp/oldschool' && sync

• Taken from Google Play Store page

• https://lh3.googleusercontent.com/WLvp10q8TwtyVgMsYL7gW0c7NVG5vnFcRNS7oQtTnSyWbM9kgo_MS8QZa3bsylNgZDba
• https://i.imgur.com/0yCN5kE.png

wget -O ~/'runescape/oldschool/jagexappletviewer.png' 'https://lh3.googleusercontent.com/WLvp10q8TwtyVgMsYL7gW0c7NVG5vnFcRNS7oQtTnSyWbM9kgo_MS8QZa3bsylNgZDba'

• See Java Flags for flags that can be added to this

cd ~/'runescape/oldschool' && java -Duser.home='.' -Djava.class.path='jagexappletviewer.jar' -Dcom.jagex.config='http://oldschool.runescape.com/jav_config.ws' -Dhttps.protocols='TLSv1.2' -Dsun.java2d.opengl='false' -Dsun.java2d.uiScale='1' 'jagexappletviewer' 'oldschool'

-XX:+UnlockExperimentalVMOptions -XX:+UseShenandoahGC -XX:+AlwaysPreTouch -Xms'512M' -Xmx'512M' -XX:-UseBiasedLocking -XX:+DisableExplicitGC

-XX:+UseNUMA

gio open ~/'runescape/oldschool'

• TODO

am start -n 'com.jagex.oldscape.android/.AndroidLauncher'

am force-stop 'com.jagex.oldscape.android'