LinuxGSM/lgsm/functions/query_gamedig.sh

#!/bin/bash
# query_gamedig.sh function
# Author: Daniel Gibbs
# Website: https://linuxgsm.com
# Description: Querys a gameserver using node-gamedig.
# https://github.com/sonicsnes/node-gamedig

# Check if gamedig and jq are installed.
if [ "$(command -v gamedig 2>/dev/null)" ]&&[ "$(command -v jq 2>/dev/null)" ]; then

		if [ "${engine}" == "idtech3_ql" ]; then
			local engine="quakelive"
		elif [ "${gamename}" == "Killing Floor 2" ]; then
			local engine="unreal4"
		fi

		local engine_query_array=( avalanche3.0 barotrauma madness quakelive realvirtuality refractor source goldsource spark starbound unity3d unreal4 wurm )
		for engine_query in "${engine_query_array[@]}"
		do
			if [ "${engine_query}" == "${engine}" ]; then
				gamedigengine="protocol-valve"
			fi
		done

		local engine_query_array=( avalanche2.0 )
		for engine_query in "${engine_query_array[@]}"
		do
			if [ "${engine_query}" == "${engine}" ]; then
				gamedigengine="jc2mp"
			fi
		done

		local engine_query_array=( quake )
		for engine_query in "${engine_query_array[@]}"
		do
			if [ "${engine_query}" == "${engine}" ]; then
				gamedigengine="protocol-quake1"
			fi
		done

		local engine_query_array=( idtech2 iw2.0 )
		for engine_query in "${engine_query_array[@]}"
		do
			if [ "${engine_query}" == "${engine}" ]; then
				gamedigengine="protocol-quake2"
			fi
		done

		local engine_query_array=( idtech3 iw3.0 ioquake3 )
		for engine_query in "${engine_query_array[@]}"
		do
			if [ "${engine_query}" == "${engine}" ]; then
				gamedigengine="protocol-quake3"
			fi
		done

		local engine_query_array=( lwjgl2 )
		for engine_query in "${engine_query_array[@]}"
		do
			if [ "${engine_query}" == "${engine}" ]; then
				gamedigengine="minecraft"
			fi
		done

		local shortname_query_array=( ts3 )
		for shortname_query in "${shortname_query_array[@]}"
		do
			if [ "${shortname_query}" == "${shortname}" ]; then
				gamedigengine="teamspeak3"
			fi
		done

		local engine_query_array=( unreal )
		for engine_query in "${engine_query_array[@]}"
		do
			if [ "${engine_query}" == "${engine}" ]; then
				gamedigengine="ut"
			fi
		done

	# will bypass query if server offline.
	check_status.sh
	if [ "${status}" != "0" ]; then
		# checks if query is working null = pass.
		gamedigcmd=$(echo "gamedig --type \"${gamedigengine}\" --host \"${ip}\" --query_port \"${queryport}\"|jq")
		gamedigraw=$(gamedig --type "${gamedigengine}" --host "${ip}" --query_port "${queryport}")
		querystatus=$(echo "${gamedigraw}" | jq '.error|length')

		if [ "${querystatus}" != "null" ]; then
			gamedigcmd=$(echo "gamedig --type \"${gamedigengine}\" --host \"${ip}\" --port \"${queryport}\"|jq")
			gamedigraw=$(gamedig --type "${gamedigengine}" --host "${ip}" --port "${queryport}")
			querystatus=$(echo "${gamedigraw}" | jq '.error|length')

		fi


		# server name.
		gdname=$(echo "${gamedigraw}" | jq -re '.name')
		if [ "${gdname}" == "null" ]; then
			unset gdname
		fi

		# numplayers.
		gdplayers=$(echo "${gamedigraw}" | jq -re '.players|length')
		if [ "${gdplayers}" == "null" ]; then
			unset gdplayers
		fi

		# maxplayers.
		gdmaxplayers=$(echo "${gamedigraw}" | jq -re '.maxplayers|length')
		if [ "${gdmaxplayers}" == "null" ]; then
			unset maxplayers
		fi

		# current map.
		gdmap=$(echo "${gamedigraw}" | jq -re '.map')
		if [ "${gdmap}" == "null" ]; then
			unset gdmap
		fi

		# current gamemode.
		gdgamemode=$(echo "${gamedigraw}" | jq -re '.raw.rules.GameMode_s')
		if [ "${gdgamemode}" == "null" ]; then
			unset gdgamemode
		fi

		# numbots.
		gdbots=$(echo "${gamedigraw}" | jq -re '.raw.numbots')
		if [ "${gdbots}" == "null" ]||[ "${gdbots}" == "0" ]; then
			unset gdbots
		fi
	fi
fi