Blockland dedicated server launcher script

runblsrv.sh

#!/bin/sh

NO_SCREEN=false
ATTACH=false
GAMEMODE="Custom"
export WINEDLLOVERRIDES="mscoree=d;mshtml=d;$WINEDLLOVERRIDES"
DEDICATED_MODE="-dedicated"
BLOCKLAND_FILES_FILENAME="BLr1988-server.zip"
BLOCKLAND_FILES_URL="https://birb.zone/files/$BLOCKLAND_FILES_FILENAME"

if [ $(id -u) == 0 ]; then
	echo "This script cannot be run as root"
	exit 1
fi

install_deps() {
	echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
	echo "!!!!! THIS SCRIPT IS NOT GUARANTEED TO WORK FOR YOUR SYSTEM !!!!!"
	echo "!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"
	echo "If it fails, please send the output of 'cat /etc/os-release' to TheBlackParrot#1352 on Discord."

	# requires sudo for some functionality
	if [ ! -x $(which sudo) ]; then
		echo "Please install sudo."
		exit 1
	fi

	# grab distribution information
	source /etc/os-release
	echo "Detected distro $NAME $VERSION (internally: $ID)"
	echo ""

	# create the installation directory if it doesn't exist and enter it
	if [ -z "$1" ]; then
		INSTALL_DIR="$PWD/blockland"
	else
		INSTALL_DIR="$1"
	fi

	if [ ! -d "$INSTALL_DIR" ]; then
		if mkdir "$INSTALL_DIR"; then
			echo "Created directory $INSTALL_DIR"
		else
			echo "Failed to create installation directory."
			exit 1
		fi
	fi

	cp "$0" "$INSTALL_DIR"
	cd "$INSTALL_DIR"
	chmod +x "$0"
	echo "using $INSTALL_DIR as the installation directory"

	# enable repositories
	case "$ID" in
	arch)
		echo ""
		if grep -Fx "[multilib]" /etc/pacman.conf; then
			echo "Multilib repository already enabled."
		else
			read -n 1 -s -r -p "The multilib repository needs to be enabled, press any key to continue."
			echo -e "\n[multilib]\nInclude = /etc/pacman.d/mirrorlist" | sudo tee -a /etc/pacman.conf > /dev/null
		fi

		yes | sudo pacman --noconfirm -Syy
		;;

	fedora)
		if [ ! -e /etc/yum.repos.d/winehq.repo ]; then
			echo ""
			read -n 1 -s -r -p "The WineHQ repository needs to be enabled, press any key to continue."
			sudo dnf --assumeyes config-manager --add-repo https://dl.winehq.org/wine-builds/fedora/$VERSION_ID/winehq.repo
		else
			echo "WineHQ repository already enabled."
		fi
		;;
	esac

	# install required packages
	packagesinst=()
	case "$ID" in
	arch)
		packages=("screen" "unzip" "wine" "xorg-server-xvfb")
		for package in ${packages[@]}; do
			echo "checking for installation of $package..."
			if pacman -Qi $package > /dev/null; then
				echo "already installed $package !"
			else
				echo "need to install $package !"
				packagesinst+=("$package")
			fi
		done

		if [ ${#packagesinst[@]} -gt 0 ]; then
			echo ""
			echo "The following packages and their dependencies will be installed: (press any key to continue)"
			echo "${packagesinst[@]}"
			read -n 1 -s -r -p ""
			yes | sudo pacman --noconfirm -S ${packagesinst[@]}
		else
			echo "Required packages already installed."
		fi
		;;

	fedora)
		packages=("screen" "unzip" "winehq-devel" "xorg-x11-server-Xvfb")
		for package in ${packages[@]}; do
			echo "checking for installation of $package..."
			if [ $(rpm -qa $package | wc -l) == 0 ]; then
				echo "need to install $package !"
				packagesinst+=("$package")
			fi
		done

		if [ ${#packagesinst[@]} -gt 0 ]; then
			echo ""
			echo "The following packages and their dependencies will be installed: (press any key to continue)"
			echo "${packagesinst[@]}"
			read -n 1 -s -r -p ""
			sudo dnf --assumeyes install ${packagesinst[@]}
		else
			echo "Required packages already installed."
		fi
		;;
	esac

	# download Blockland itself
	if [ ! -e $BLOCKLAND_FILES_FILENAME ]; then
		echo ""
		read -n 1 -s -r -p "Blockland must now be downloaded, press any key to continue."

		if which wget; then
			echo "wget is reachable, using it"
			wget $BLOCKLAND_FILES_URL
		else
			echo "wget isn't reachable, attempting curl"
			curl -o $BLOCKLAND_FILES_FILENAME $BLOCKLAND_FILES_URL
		fi

		if [ ! -e $BLOCKLAND_FILES_FILENAME ]; then
			echo "Failed to download server files, aborting."
			exit 1
		fi
	fi
	unzip $BLOCKLAND_FILES_FILENAME

	echo "Installation complete! Navigate to $INSTALL_DIR and use './runblsrv.sh -g Freebuild' to run a Freebuild server!"
	exit 0
}

OPTIND=1
while getopts "i:g:an:lzh" opt; do
	case "$opt" in
	i)	install_deps "$OPTARG"
		exit 1
		;;
	a)	ATTACH=true
		;;
	g)	GAMEMODE=$OPTARG
		;;
	n)	SERVER_NAME="$OPTARG"
		;;
	l)	DEDICATED_MODE="-dedicatedLAN"
		;;
	z)	NO_SCREEN=true
		ATTACH=false
		;;
	h|?) echo "Blockland Dedicated Server Script"
		echo "version 1.2.1 -- October 10th, 2018 01:12 CDT"
		echo "TheBlackParrot (BL_ID 18701)"
		echo ""
		echo "Usage: ./runblsrv.sh [options]"
		echo ""
		echo "Options:  -a            Automatically attach to the session        [default false]"
		echo "          -g [gamemode] Specify a gamemode"
		echo "          -n [name]     Set a custom name for the screen session"
		echo "          -l            Run a LAN server                           [default false]"
		echo "          -z            Don't attach to a seperate session         [default false]"
		echo "          -i [dir]      Install dependencies"
		exit 1
		;;
	esac
done
shift $((OPTIND-1))
[ "$1" = "--" ] && shift


SERVER_PATH=$(dirname "$(readlink -f "$0")")
echo "Using $SERVER_PATH as the server directory."
PORT=$(cat "$SERVER_PATH/config/server/prefs.cs" | grep '$Pref::Server::Port' | sed 's/[^0-9]*//g')
echo "Should be running on port $PORT."
if [ -z "$SERVER_NAME" ]; then
	SERVER_NAME="BL$PORT"
fi


if [ ! -f "$SERVER_PATH/Blockland.exe" ]; then
	echo "Blockland executable is missing!"
	exit 1
fi

if [ ! -f "$SERVER_PATH/Add-Ons/Gamemode_$GAMEMODE/gamemode.txt" ]; then
	if [ ! -f "$SERVER_PATH/Add-Ons/GameMode_$GAMEMODE/gamemode.txt" ]; then
		if [ ! -f "$SERVER_PATH/Add-Ons/Gamemode_$GAMEMODE.zip" ]; then
			if [ ! -f "$SERVER_PATH/Add-Ons/GameMode_$GAMEMODE.zip" ]; then
				echo "Gamemode_$GAMEMODE does not exist in your Add-Ons folder!"
				exit 1
			fi
		fi
	fi
fi


if [ $(screen -list | grep -c "$SERVER_NAME") -gt 0 ]; then
	echo "Session already running on screen $SERVER_NAME, please shut that down first."
	exit 1
fi


if [ $NO_SCREEN = false ]; then
	screen -dmS \
		"$SERVER_NAME" \
		xvfb-run -a \
			-n 103 \
			-e /dev/stdout \
			wine wineconsole \
				--backend=curses \
				"$SERVER_PATH/Blockland.exe" \
				ptlaaxobimwroe \
				$DEDICATED_MODE \
				-gamemode "$GAMEMODE"
else
	xvfb-run -a \
		-n 100 \
		-e /dev/stdout \
		wine wineconsole \
			--backend=curses \
			"$SERVER_PATH/Blockland.exe" \
			ptlaaxobimwroe \
			$DEDICATED_MODE \
			-gamemode "$GAMEMODE"
fi

if [ $NO_SCREEN = false ]; then
	sleep 3

	if [ $(screen -list | grep -c "$SERVER_NAME") -gt 0 ]; then
		echo "Session started on screen $SERVER_NAME"
		if [ "$ATTACH" = true ]; then
			screen -x "$SERVER_NAME"
		else
			screen -list
		fi
	else
		echo "Failed to start server."
		exit 1
	fi
fi