Add wine launch script

lib/sc-launch.sh

@@ -0,0 +1,38 @@
+#!/usr/bin/env bash
+
+# This script configures and launches Star Citizen
+# It is installed by the LUG Helper when the game is installed with Wine (not Lutris)
+#
+# The following .desktop files are added by wine during installation and then modified by the LUG Helper to call this script
+# They are automatically detected by most desktop environments for easy game launching
+#
+#############################################################################################
+# $HOME/Desktop/RSI Launcher.desktop
+# $HOME/.local/share/applications/wine/Programs/Roberts Space Industries/RSI Launcher.desktop
+#############################################################################################
+#
+# IMPORTANT NOTE about using the above .desktop files:
+# The RSI Launcher currently requires a terminal. Without this step, you will see a javascript error!
+# To use the above .desktop files, modify the last line of this script as detailed in its comment
+#
+# If you do not wish to use the above .desktop files, then simply run this script from your terminal
+
+# Configure the environment
+# Add additional environment variables here as needed
+export WINEPREFIX="$HOME/Games/star-citizen"
+export EOS_USE_ANTICHEATCLIENTNULL=1
+export DXVK_HUD=0
+export __GL_SHADER_DISK_CACHE=1
+export __GL_SHADER_DISK_CACHE_SIZE=1073741824
+export WINE_HIDE_NVIDIA_GPU=1
+export radv_zero_vram="true"
+#export MANGOHUD=1
+
+# Launch the game
+# If you wish to launch the game from the .desktop files as mentioned above,
+# modify this line to open your preferred terminal and then call wine. For example:
+#
+# gnome-terminal -- sh -c 'wine "C:\Program Files\Roberts Space Industries\RSI Launcher\RSI Launcher.exe"'
+#
+# If you do not wish to use the above .desktop files, then no modifications are required.
+wine "C:\Program Files\Roberts Space Industries\RSI Launcher\RSI Launcher.exe"