source: scripts/usr/local/lib/7dtd/serverconfig.sh@ 180

#!/bin/bash

# Provides functions to query and validate values for serverconfig.xml

#################################
## Definition of options

serverconfig_ServerPort_QueryName() {
        echo "Base Port"
}
serverconfig_ServerPort_Type() {
        echo "number"
}
serverconfig_ServerPort_Default() {
        echo "25000"
}
serverconfig_ServerPort_Range() {
        echo "1024-65533"
}
serverconfig_ServerPort_Validate() {
        local I=${INSTANCE:-!}
        if [ $(checkGamePortUsed "$1" "$I") -eq 0 ]; then
                echo "1"
        else
                echo "0"
        fi
}
serverconfig_ServerPort_ErrorMessage() {
        echo "Illegal port number or port already in use by another instance."
}



serverconfig_ServerIsPublic_QueryName() {
        echo "Public server"
}
serverconfig_ServerIsPublic_Type() {
        echo "boolean"
}
serverconfig_ServerIsPublic_Default() {
        echo "true"
}
serverconfig_ServerIsPublic_ErrorMessage() {
        echo "Not a valid boolean given (true/false or yes/no or y/n)."
}



serverconfig_ServerName_QueryName() {
        echo "Server name"
}
serverconfig_ServerName_Type() {
        echo "string"
}
serverconfig_ServerName_Validate() {
        if [ ! -z "$1" ]; then
                echo "1"
        else
                echo "0"
        fi
}
serverconfig_ServerName_ErrorMessage() {
        echo "Server name cannot be empty."
}



serverconfig_ServerPassword_QueryName() {
        echo "Server password"
}
serverconfig_ServerPassword_Type() {
        echo "string"
}



serverconfig_ServerMaxPlayerCount_QueryName() {
        echo "Max players"
}
serverconfig_ServerMaxPlayerCount_Type() {
        echo "number"
}
serverconfig_ServerMaxPlayerCount_Default() {
        echo "4"
}
serverconfig_ServerMaxPlayerCount_Range() {
        echo "1-64"
}



serverconfig_GameWorld_QueryName() {
        echo "World name"
}
serverconfig_GameWorld_Type() {
        echo "enum"
}
serverconfig_GameWorld_Default() {
        echo "1"
}
serverconfig_GameWorld_Values() {
        config_allowed_values=("Random Gen" "Navezgane" "MP Wasteland Horde" "MP Wasteland Skirmish" "MP Wasteland War")
}



serverconfig_GameName_QueryName() {
        echo "Game name"
}
serverconfig_GameName_Type() {
        echo "string"
}
serverconfig_GameName_Validate() {
        if [ ! -z "$1" ]; then
                echo "1"
        else
                echo "0"
        fi
}
serverconfig_GameName_ErrorMessage() {
        echo "Game name cannot be empty."
}



serverconfig_GameDifficulty_QueryName() {
        echo "Difficulty"
}
serverconfig_GameDifficulty_Type() {
        echo "number"
}
serverconfig_GameDifficulty_Default() {
        echo "2"
}
serverconfig_GameDifficulty_Range() {
        echo "0-4"
}
serverconfig_GameDifficulty_Values() {
        config_allowed_values=("Very easy" "Easy" "Medium" "Hard" "Very hard")
}



serverconfig_GameMode_QueryName() {
        echo "Game mode"
}
serverconfig_GameMode_Type() {
        echo "enum"
}
serverconfig_GameMode_Default() {
        echo "1"
}
serverconfig_GameMode_Values() {
        config_allowed_values=("GameModeSurvivalMP" "GameModeSurvivalSP")
}



serverconfig_ZombiesRun_QueryName() {
        echo "Zombies run"
}
serverconfig_ZombiesRun_Type() {
        echo "number"
}
serverconfig_ZombiesRun_Default() {
        echo "0"
}
serverconfig_ZombiesRun_Range() {
        echo "0-2"
}
serverconfig_ZombiesRun_Values() {
        config_allowed_values=("Default day/night walk/run" "Never run" "Always run")
}



serverconfig_ShowFriendPlayerOnMap_QueryName() {
        echo "Show friends on map"
}
serverconfig_ShowFriendPlayerOnMap_Type() {
        echo "boolean"
}
serverconfig_ShowFriendPlayerOnMap_Default() {
        echo "true"
}
serverconfig_ShowFriendPlayerOnMap_ErrorMessage() {
        echo "Not a valid boolean given (true/false or yes/no or y/n)."
}



serverconfig_BuildCreate_QueryName() {
        echo "Item spawn menu"
}
serverconfig_BuildCreate_Type() {
        echo "boolean"
}
serverconfig_BuildCreate_Default() {
        echo "true"
}
serverconfig_BuildCreate_ErrorMessage() {
        echo "Not a valid boolean given (true/false or yes/no or y/n)."
}



serverconfig_DayNightLength_QueryName() {
        echo "Length of one day"
}
serverconfig_DayNightLength_Type() {
        echo "number"
}
serverconfig_DayNightLength_Default() {
        echo "45"
}



serverconfig_FriendlyFire_QueryName() {
        echo "Friendly fire"
}
serverconfig_FriendlyFire_Type() {
        echo "boolean"
}
serverconfig_FriendlyFire_Default() {
        echo "false"
}
serverconfig_FriendlyFire_ErrorMessage() {
        echo "Not a valid boolean given (true/false or yes/no or y/n)."
}



serverconfig_DayCount_QueryName() {
        echo "Day Count (Horde)"
}
serverconfig_DayCount_Type() {
        echo "number"
}
serverconfig_DayCount_Default() {
        echo "3"
}



serverconfig_FragLimit_QueryName() {
        echo "Frag limit (DM)"
}
serverconfig_FragLimit_Type() {
        echo "number"
}
serverconfig_FragLimit_Default() {
        echo "5"
}



serverconfig_MatchLength_QueryName() {
        echo "Match length (DM)"
}
serverconfig_MatchLength_Type() {
        echo "number"
}
serverconfig_MatchLength_Default() {
        echo "15"
}



serverconfig_RebuildMap_QueryName() {
        echo "Rebuild map on round restart"
}
serverconfig_RebuildMap_Type() {
        echo "boolean"
}
serverconfig_RebuildMap_Default() {
        echo "false"
}
serverconfig_RebuildMap_ErrorMessage() {
        echo "Not a valid boolean given (true/false or yes/no or y/n)."
}



serverconfig_ControlPanelEnabled_QueryName() {
        echo "Enable control panel"
}
serverconfig_ControlPanelEnabled_Type() {
        echo "boolean"
}
serverconfig_ControlPanelEnabled_Default() {
        echo "false"
}
serverconfig_ControlPanelEnabled_ErrorMessage() {
        echo "Not a valid boolean given (true/false or yes/no or y/n)."
}



serverconfig_ControlPanelPort_QueryName() {
        echo "Control panel port"
}
serverconfig_ControlPanelPort_Type() {
        echo "number"
}
serverconfig_ControlPanelPort_Default() {
        echo "8080"
}
serverconfig_ControlPanelPort_Range() {
        echo "1024-65535"
}
serverconfig_ControlPanelPort_Validate() {
        local I=${INSTANCE:-!}
        if [ $(checkTCPPortUsed "$1" "$I") -eq 0 ]; then
                echo "1"
        else
                echo "0"
        fi
}
serverconfig_ControlPanelPort_ErrorMessage() {
        echo "Illegal port number or port already in use by another instance."
}



serverconfig_ControlPanelPassword_QueryName() {
        echo "Control panel password"
}
serverconfig_ControlPanelPassword_Type() {
        echo "string"
}



serverconfig_TelnetPort_QueryName() {
        echo "Telnet port"
}
serverconfig_TelnetPort_Type() {
        echo "number"
}
serverconfig_TelnetPort_Default() {
        echo "8081"
}
serverconfig_TelnetPort_Range() {
        echo "1024-65535"
}
serverconfig_TelnetPort_Validate() {
        local I=${INSTANCE:-!}
        if [ $(checkTCPPortUsed "$1" "$I") -eq 0 ]; then
                echo "1"
        else
                echo "0"
        fi
}
serverconfig_TelnetPort_ErrorMessage() {
        echo "Illegal port number or port already in use by another instance."
}



serverconfig_TelnetPassword_QueryName() {
        echo "Telnet password"
}
serverconfig_TelnetPassword_Type() {
        echo "string"
}



serverconfig_DisableNAT_QueryName() {
        echo "Disable NAT"
}
serverconfig_DisableNAT_Type() {
        echo "boolean"
}
serverconfig_DisableNAT_Default() {
        echo "true"
}
serverconfig_DisableNAT_ErrorMessage() {
        echo "Not a valid boolean given (true/false or yes/no or y/n)."
}




serverconfig_DropOnDeath_QueryName() {
        echo "Drop on Death"
}
serverconfig_DropOnDeath_Type() {
        echo "number"
}
serverconfig_DropOnDeath_Default() {
        echo "0"
}
serverconfig_DropOnDeath_Range() {
        echo "0-3"
}
serverconfig_DropOnDeath_Values() {
        config_allowed_values=("Everything" "Toolbelt only" "Backpack only" "Delete all")
}


serverconfig_DropOnQuit_QueryName() {
        echo "Drop on Quit"
}
serverconfig_DropOnQuit_Type() {
        echo "number"
}
serverconfig_DropOnQuit_Default() {
        echo "0"
}
serverconfig_DropOnQuit_Range() {
        echo "0-3"
}
serverconfig_DropOnQuit_Values() {
        config_allowed_values=("Nothing" "Everything" "Toolbelt only" "Backpack only")
}




serverconfig_CraftTimer_QueryName() {
        echo "Craft speed"
}
serverconfig_CraftTimer_Type() {
        echo "number"
}
serverconfig_CraftTimer_Default() {
        echo "1"
}
serverconfig_CraftTimer_Range() {
        echo "0-2"
}
serverconfig_CraftTimer_Values() {
        config_allowed_values=("Instant" "Normal" "Double")
}


serverconfig_LootTimer_QueryName() {
        echo "Loot open speed"
}
serverconfig_LootTimer_Type() {
        echo "number"
}
serverconfig_LootTimer_Default() {
        echo "1"
}
serverconfig_LootTimer_Range() {
        echo "0-2"
}
serverconfig_LootTimer_Values() {
        config_allowed_values=("Instant" "Normal" "Double")
}




serverconfig_PlayerDamageGiven_QueryName() {
        echo "Damage Player->Zombies"
}
serverconfig_PlayerDamageGiven_Type() {
        echo "number"
}
serverconfig_PlayerDamageGiven_Default() {
        echo "2"
}
serverconfig_PlayerDamageGiven_Range() {
        echo "0-4"
}
serverconfig_PlayerDamageGiven_Values() {
        config_allowed_values=("50%" "75%" "100%" "150%" "200%")
}


serverconfig_PlayerDamageRecieved_QueryName() {
        echo "Damage Zombies->Player"
}
serverconfig_PlayerDamageRecieved_Type() {
        echo "number"
}
serverconfig_PlayerDamageRecieved_Default() {
        echo "2"
}
serverconfig_PlayerDamageRecieved_Range() {
        echo "0-4"
}
serverconfig_PlayerDamageRecieved_Values() {
        config_allowed_values=("50%" "75%" "100%" "150%" "200%")
}


serverconfig_EnemySenseMemory_QueryName() {
        echo "Sense memory (seconds)"
}
serverconfig_EnemySenseMemory_Type() {
        echo "number"
}
serverconfig_EnemySenseMemory_Default() {
        echo "60"
}


serverconfig_EnemySpawnMode_QueryName() {
        echo "Spawn mode"
}
serverconfig_EnemySpawnMode_Type() {
        echo "number"
}
serverconfig_EnemySpawnMode_Default() {
        echo "3"
}
serverconfig_EnemySpawnMode_Range() {
        echo "0-5"
}
serverconfig_EnemySpawnMode_Values() {
        config_allowed_values=("Disabled" "50%" "75%" "100%" "125%" "150%")
}


serverconfig_EnemyDifficulty_QueryName() {
        echo "Enemy difficulty"
}
serverconfig_EnemyDifficulty_Type() {
        echo "number"
}
serverconfig_EnemyDifficulty_Default() {
        echo "0"
}
serverconfig_EnemyDifficulty_Range() {
        echo "0-1"
}
serverconfig_EnemyDifficulty_Values() {
        config_allowed_values=("Normal" "Feral")
}




serverconfig_NightPercentage_QueryName() {
        echo "Night percentage"
}
serverconfig_NightPercentage_Type() {
        echo "number"
}
serverconfig_NightPercentage_Default() {
        echo "35"
}
serverconfig_NightPercentage_Range() {
        echo "10-90"
}



serverconfig_BlockDurabilityModifier_QueryName() {
        echo "Block durability (%)"
}
serverconfig_BlockDurabilityModifier_Type() {
        echo "number"
}
serverconfig_BlockDurabilityModifier_Default() {
        echo "100"
}




serverconfig_LootAbundance_QueryName() {
        echo "Loot abundance (%)"
}
serverconfig_LootAbundance_Type() {
        echo "number"
}
serverconfig_LootAbundance_Default() {
        echo "100"
}


serverconfig_LootRespawnDays_QueryName() {
        echo "Loot respawn delay (days)"
}
serverconfig_LootRespawnDays_Type() {
        echo "number"
}
serverconfig_LootRespawnDays_Default() {
        echo "7"
}




serverconfig_LandClaimSize_QueryName() {
        echo "Land claim size"
}
serverconfig_LandClaimSize_Type() {
        echo "number"
}
serverconfig_LandClaimSize_Default() {
        echo "7"
}


serverconfig_LandClaimDeadZone_QueryName() {
        echo "Minimum keystone distance"
}
serverconfig_LandClaimDeadZone_Type() {
        echo "number"
}
serverconfig_LandClaimDeadZone_Default() {
        echo "30"
}


serverconfig_LandClaimExpiryTime_QueryName() {
        echo "Claim expiry time (days)"
}
serverconfig_LandClaimExpiryTime_Type() {
        echo "number"
}
serverconfig_LandClaimExpiryTime_Default() {
        echo "3"
}


serverconfig_LandClaimDecayMode_QueryName() {
        echo "Claim decay mode"
}
serverconfig_LandClaimDecayMode_Type() {
        echo "number"
}
serverconfig_LandClaimDecayMode_Default() {
        echo "0"
}
serverconfig_LandClaimDecayMode_Range() {
        echo "0-2"
}
serverconfig_LandClaimDecayMode_Values() {
        config_allowed_values=("Linear" "Exponential" "Full protection")
}


serverconfig_LandClaimOnlineDurabilityModifier_QueryName() {
        echo "Claim durability modifier - online"
}
serverconfig_LandClaimOnlineDurabilityModifier_Type() {
        echo "number"
}
serverconfig_LandClaimOnlineDurabilityModifier_Default() {
        echo "4"
}


serverconfig_LandClaimOfflineDurabilityModifier_QueryName() {
        echo "Claim durability modifier - offline"
}
serverconfig_LandClaimOfflineDurabilityModifier_Type() {
        echo "number"
}
serverconfig_LandClaimOfflineDurabilityModifier_Default() {
        echo "4"
}




serverconfig_AirDropFrequency_QueryName() {
        echo "Airdrop delay (hours)"
}
serverconfig_AirDropFrequency_Type() {
        echo "number"
}
serverconfig_AirDropFrequency_Default() {
        echo "24"
}


serverconfig_MaxSpawnedZombies_QueryName() {
        echo "Maximum number of concurrent zombies"
}
serverconfig_MaxSpawnedZombies_Type() {
        echo "number"
}
serverconfig_MaxSpawnedZombies_Default() {
        echo "60"
}


serverconfig_VACEnabled_QueryName() {
        echo "Enable Valve Anti Cheat"
}
serverconfig_VACEnabled_Type() {
        echo "boolean"
}
serverconfig_VACEnabled_Default() {
        echo "true"
}
serverconfig_VACEnabled_ErrorMessage() {
        echo "Not a valid boolean given (true/false or yes/no or y/n)."
}




#################################
## Edit option functions

configEditServer() {
        local CV
        
        echo "Server"
        echo "--------------------------------"
        for CV in \
                        ServerName ServerPassword ServerIsPublic ServerPort ServerMaxPlayerCount \
                        DisableNAT VACEnabled MaxSpawnedZombies \
                        ; do
                $1 $CV
        done
        echo
}

configEditRemoteControl() {
        local CV
        
        echo "Remote control"
        echo "--------------------------------"
        for CV in \
                        ControlPanelEnabled ControlPanelPort ControlPanelPassword \
                        TelnetPort TelnetPassword \
                        ; do
                if [ "$CV" = "TelnetPort" ]; then
                        echo
                        echo "NOTE: Telnet will always be enabled for management purposes!"
                        echo "Make sure you block external access to this port or set no password"
                        echo "so the server will only listen on the loopback interface!"
                        echo
                fi
                $1 $CV
        done
        echo
}

configEditGameType() {
        local CV
        
        echo "Game type"
        echo "--------------------------------"
        for CV in \
                        GameName GameWorld GameMode \
                        ; do
                $1 $CV
        done
        echo
}

configEditGameTypeSpecific() {
        local CV
        
        echo "Options for specific game types"
        echo "--------------------------------"
        for CV in \
                        DayCount FragLimit MatchLength RebuildMap \
                        ; do
                $1 $CV
        done
        echo
}

configEditGeneric() {
        local CV
        
        echo "Generic options"
        echo "--------------------------------"
        for CV in \
                        ShowFriendPlayerOnMap FriendlyFire BuildCreate \
                        BlockDurabilityModifier \
                        ; do
                $1 $CV
        done
        echo
}

configEditDropLoot() {
        local CV
        
        echo "Drop and Loot"
        echo "--------------------------------"
        for CV in \
                        DropOnDeath DropOnQuit \
                        LootAbundance LootRespawnDays AirDropFrequency \
                        ; do
                $1 $CV
        done
        echo
}

configEditTimes() {
        local CV
        
        echo "Times / Durations"
        echo "--------------------------------"
        for CV in \
                        CraftTimer LootTimer \
                        DayNightLength NightPercentage \
                        ; do
                $1 $CV
        done
        echo
}

configEditDifficulty() {
        local CV
        
        echo "Difficulty"
        echo "--------------------------------"
        for CV in \
                        GameDifficulty ZombiesRun \
                        PlayerDamageGiven PlayerDamageRecieved EnemySenseMemory EnemySpawnMode EnemyDifficulty \
                        ; do
                $1 $CV
        done
        echo
}

configEditLandClaim() {
        local CV
        
        echo "Land claim options"
        echo "--------------------------------"
        for CV in \
                        LandClaimSize LandClaimDeadZone LandClaimExpiryTime LandClaimDecayMode \
                        LandClaimOnlineDurabilityModifier LandClaimOfflineDurabilityModifier \
                        ; do
                $1 $CV
        done
        echo
}

configEditAll() {
        configEditServer "$1"
        configEditRemoteControl "$1"
        configEditGameType "$1"
        configEditGameTypeSpecific "$1"
        configEditGeneric "$1"
        configEditDropLoot "$1"
        configEditTimes "$1"
        configEditDifficulty "$1"
        configEditLandClaim "$1"
}





#################################
## Generic worker functions


# List all defined config editing parts
# Returns:
#   List of config funcs
listConfigEditFuncs() {
        local CV
        for CV in $(declare -F | cut -d\  -f3 | grep "^configEdit.*$"); do
                CV=${CV#configEdit}
                printf "%s " "$CV"
        done
}


# List all defined config options
# Returns:
#   List of defined config options
listConfigValues() {
        local CV
        for CV in $(declare -F | cut -d\  -f3 | grep "^serverconfig_.*_Type$"); do
                CV=${CV#serverconfig_}
                CV=${CV%_Type}
                printf "%s " "$CV"
        done
}


# Validate the given value for the given option
# Params:
#   1: Option name
#   2: Value
# Returns:
#   0/1: invalid/valid
isValidOptionValue() {
        local TYPE=$(serverconfig_$1_Type)
        local RANGE=""

        if [ "$TYPE" = "enum" ]; then
                TYPE="number"
                serverconfig_$1_Values
                RANGE=1-${#config_allowed_values[@]}
        else
                if [ "$(type -t serverconfig_$1_Range)" = "function" ]; then
                        RANGE=$(serverconfig_$1_Range)
                fi
        fi

        case "$TYPE" in
                number)
                        if [ $(isANumber "$2") -eq 0 ]; then
                                echo "0"
                                return
                        fi
                        if [ ! -z "$RANGE" ]; then
                                local MIN=$(cut -d- -f1 <<< "$RANGE")
                                local MAX=$(cut -d- -f2 <<< "$RANGE")
                                if [ $2 -lt $MIN -o $2 -gt $MAX ]; then
                                        echo "0"
                                        return
                                fi
                        fi
                        ;;
                boolean)
                        if [ $(isABool "$2") -eq 0 ]; then
                                echo "0"
                                return
                        fi
                        ;;
                string)
                        ;;
        esac
        

        if [ "$(type -t serverconfig_$1_Validate)" = "function" ]; then
                if [ $(serverconfig_$1_Validate "$2") -eq 0 ]; then
                        echo "0"
                        return
                fi
        fi
        
        echo "1"
}

# Query for the value of a single config option
# Will be stored in $configCurrent_$1
# Params:
#   1: Option name
configQueryValue() {
        local TYPE=$(serverconfig_$1_Type)
        local NAME=""
        local RANGE=""
        local DEFAULT=""
        local currentValName=configCurrent_$1

        if [ "$(type -t serverconfig_$1_Values)" = "function" ]; then
                echo "$(serverconfig_$1_QueryName), options:"
                serverconfig_$1_Values
                NAME="Select option"
                if [ "$TYPE" = "enum" ]; then
                        local OPTOFFSET=1
                else
                        local OPTOFFSET=0
                fi
                for (( i=$OPTOFFSET; i < ${#config_allowed_values[@]}+$OPTOFFSET; i++ )); do
                        printf "  %2d: %s\n" $i "${config_allowed_values[$i-$OPTOFFSET]}"
                done
        else
                NAME=$(serverconfig_$1_QueryName)
        fi

        if [ "$TYPE" = "enum" ]; then
                RANGE=1-${#config_allowed_values[@]}
                if [ ! -z "${!currentValName}" ]; then
                        for (( i=1; i < ${#config_allowed_values[@]}+1; i++ )); do
                                if [ "${!currentValName}" = "${config_allowed_values[$i-1]}" ]; then
                                        DEFAULT=$i
                                fi
                        done
                        export $currentValName=
                fi
        else
                if [ "$(type -t serverconfig_$1_Range)" = "function" ]; then
                        RANGE=$(serverconfig_$1_Range)
                fi
        fi

        if [ -z "$DEFAULT" ]; then
                if [ ! -z "${!currentValName}" ]; then
                        DEFAULT=${!currentValName}
                else
                        if [ "$(type -t serverconfig_$1_Default)" = "function" ]; then
                                DEFAULT=$(serverconfig_$1_Default)
                        fi
                fi
        fi

        local prompt=$(printf "%s" "$NAME")
        if [ ! -z "$RANGE" ]; then
                prompt=$(printf "%s (%s)" "$prompt" "$RANGE")
        fi
        if [ ! -z "$DEFAULT" ]; then
                prompt=$(printf "%s [%s]" "$prompt" "$DEFAULT")
        fi
        prompt=$(printf "%s:" "$prompt")
        prompt=$(printf "%-*s " 40 "$prompt")

        while : ; do
                read -p "$prompt" $currentValName
                export $currentValName="${!currentValName:-$DEFAULT}"
                if [ $(isValidOptionValue "$1" "${!currentValName}") -eq 0 ]; then
                        if [ "$(type -t serverconfig_$1_ErrorMessage)" = "function" ]; then
                                serverconfig_$1_ErrorMessage "${!currentValName}"
                        fi
                fi
                [ $(isValidOptionValue "$1" "${!currentValName}") -eq 1 ] && break
        done
        
        if [ "$TYPE" = "boolean" ]; then
                if [ $(getBool ${!currentValName}) -eq 1 ]; then
                        export $currentValName="true"
                else
                        export $currentValName="false"
                fi
        fi
        if [ "$TYPE" = "enum" ]; then
                export $currentValName="${config_allowed_values[$currentValName-1]}"
        fi
        echo
}

# Set parameters for current instance that have forced values:
#  - TelnetEnabled must be set so that management scripts can work
#  - AdminFileName is made to point to the local instance admins.xml
#  - SaveGameFolder is made to point to the instance folder
# Params:
#   1: Instance name
configSetAutoParameters() {
        configCurrent_TelnetEnabled=true
        configCurrent_AdminFileName=admins.xml
        configCurrent_SaveGameFolder="$(getInstancePath "$1")"
}


# Print defined config value
# Params:
#   1: Config option
printConfigValue() {
        local currentValName=configCurrent_$1
        printf "%-25s = %s\n" "$(serverconfig_$1_QueryName)" "${!currentValName}"
}

# Query for an instance name (will be saved in $INSTANCE)
readInstanceName() {
        until [ $(isValidInstanceName "$INSTANCE") -eq 1 ]; do
                read -p "Instance name: " INSTANCE
                if [ $(isValidInstanceName "$INSTANCE") -eq 0 ]; then
                        echo "Invalid instance name, may only contain:"
                        echo " - letters (A-Z / a-z)"
                        echo " - digits (0-9)"
                        echo " - underscores (_)"
                        echo " - hyphens (-)"
                fi
        done
}

# Undefine the current config values
unsetAllConfigValues() {
        local CV
        for CV in $(listConfigValues); do
                local currentValName=configCurrent_$CV
                export $currentValName=
        done
}

# Load all config values from the config.xml of the given instance
# Params:
#   1: Instance name
loadCurrentConfigValues() {
        local CV
        for CV in $(listConfigValues); do
                local currentValName=configCurrent_$CV
                local cfile=$(getInstancePath "$1")/config.xml
                local XPATH="/ServerSettings/property[@name='$CV']/@value"
                local VAL=$($XMLSTARLET sel -t -v "$XPATH" $cfile)
                if [ ! -z "$VAL" ]; then
                        export $currentValName="$VAL"
                fi
        done
}

# Save all config values to the config.xml of the given instance
# Params:
#   1: Instance name
saveCurrentConfigValues() {
        local CV
        for CV in $(listConfigValues) TelnetEnabled AdminFileName SaveGameFolder; do
                local currentValName=configCurrent_$CV
                local val="${!currentValName}"
                local cfile=$(getInstancePath "$1")/config.xml

                XPATHBASE="/ServerSettings/property[@name='$CV']"

                if [ -z $($XMLSTARLET sel -t -v "$XPATHBASE/@name" $cfile) ]; then
                        $XMLSTARLET ed -L \
                                -s "/ServerSettings" -t elem -n "property" -v "" \
                                -i "/ServerSettings/property[not(@name)]" -t attr -n "name" -v "$CV" \
                                -i "$XPATHBASE" -t attr -n "value" -v "$val" \
                                $cfile
                else
                        $XMLSTARLET ed -L \
                                -u "$XPATHBASE/@value" -v "$val" \
                                $cfile
                fi
        done
}

# Check if the config template exists
# Returns:
#   0/1: no/yes
configTemplateExists() {
        if [ -f $SDTD_BASE/templates/config.xml ]; then
                echo 1
        else
                echo 0
        fi
}

# Get a single value from a serverconfig
# Params:
#   1: Instance name
#   2: Property name
# Returns:
#   Property value
getConfigValue() {
        local CONF=$(getInstancePath $1)/config.xml
        $XMLSTARLET sel -t -v "/ServerSettings/property[@name='$2']/@value" $CONF
}

# Update a single value in a serverconfig
# Params:
#   1: Instance name
#   2: Property name
#   3: New value
setConfigValue() {
        local CONF=$(getInstancePath $1)/config.xml
        $XMLSTARLET ed -L -u "/ServerSettings/property[@name='$2']/@value" -v "$3" $CONF
}