path: root/dom4

#!/bin/bash

# Install Dominions 4 via SteamCMD.
function install {
  if [ ! $(find /opt/dom4 -maxdepth 0 -type d -empty 2>/dev/null) ];then
    echo "/opt/dom4 is not empty. Is Dominions 4 already installed?"
    exit 0
  fi

  read -r -p "Steam username: " user
  read -r -s -p "Steam password: " pass

  echo
  echo "Installing Dominions 4 to /opt/dom4"

  sudo -u dom4 steamcmd +login $user $pass +force_install_dir /opt/dom4 +app_update 259060 validate +quit

  read -r -p "Enter your Dominions 4 CD Key: " key
  echo $key | sudo -u dom4 tee /opt/dom4/dom4key > /dev/null
}

# Change the current hosted game by editing /usr/share/dom4/current.
# Params:
#   $1  game name
function change {
  if [[ -s /usr/share/dom4/current ]]; then
    game=$(</usr/share/dom4/current)

    if [[ $1 != $game ]]; then
      read -r -n 2 -p "Currently hosting $game. Set up to host $1 instead? [Y/n] " ovr
      if [[ $ovr != Y ]]; then
        exit 0
      fi
      echo
    fi
  fi

  echo "Setting $1 up for hosting."
  echo "$1" | sudo -u dom4 tee /usr/share/dom4/current > /dev/null
}

# Load a properties file.
# Params:
#   $1  path to properties file
function config {
  if [[ -z $1 ]]; then
    cat <<EOF
Usage:

  dom4 config mygame
EOF
    exit 1
  fi

  if [[ -s "/usr/share/dom4/config/$1.properties" ]]; then
    read -r -n 2 -p "$1 is already configured. Overwrite? [Y/n] " ovr
    if [[ $ovr != Y ]]; then
      exit 0
    fi
    echo
  else
    cat << EOF | sudo -u dom4 tee /usr/share/dom4/config/$1.properties > /dev/null
###### SERVER INFO ######
# Set the map file. Any image file must have the same name but a different extension.
mapfile my_pretty_world.map
# Allow host to set dropped-out players to computer control
masterpass supersecure
# Will default to localhost
ipadr 127.0.0.1
# Must be between 1024 and 65535, and forwarded in your router config
port 6666
# Time between turn rollover
hours 26

###### GAME SETTINGS ######
era 1
renaming
storyevents
hofsize 15
requiredap 13
thrones 2 8 1
EOF
  fi

  sudo -u dom4 $EDITOR /usr/share/dom4/config/$1.properties

  mapfile=$(grep -oP "mapfile\s+\K.+" /usr/share/dom4/config/$1.properties)
  mapname=$(basename $mapfile .map)

  sudo -u dom4 mkdir -p /usr/share/dom4/maps

  if [[ -s "$mapname.map" ]]; then
    echo "Copying $mapname map files..."

    sudo -u dom4 cp "$mapname".* /usr/share/dom4/maps
  elif [[ -s "$HOME/dominions4/maps/$mapname".map ]]; then
    echo "Copying $mapname map files from $HOME/dominions4/maps..."

    sudo cp "$HOME/dominions4/maps/$mapname".* /usr/share/dom4/maps
  else
    echo "Could not find $mapname.map in $(pwd) or $HOME/dominions4/maps. Please ensure the map file(s) exist in one or the other location and try again."

    exit 1;
  fi

  echo

  change $1

  cat <<EOF

Done. Start the service to let players upload their pretenders.

  sudo systemctl start dom4-server.service

Once all pretenders have been uploaded, stop the service and set the game to ready.

  dom4 ready
EOF
}

# Set game start flag in properties file.
# Params:
#   $1  game name (optional; uses whatever's in current if not supplied)
function ready {
  if [[ ! -z $1 ]]; then
    if [[ ! -s "/usr/share/dom4/config/$1.properties" ]]; then
      echo "No game named '$1' found."

      exit 1
    fi

    change $1
  elif [[ ! -s /usr/share/dom4/current ]]; then
    echo "No game configured. Use 'dom4 config' to set up a game."

    exit 1
  fi

  game=$(</usr/share/dom4/current)

  if [[ ! -d "/usr/share/dom4/savedgames/$game" ]]; then
    echo "No pretenders uploaded for $game. Start the service with systemctl to let players upload."

    exit 1
  fi

  if [[ -s "/usr/share/dom4/savedgames/$game/ftherlnd" ]]; then
    echo "$game has already been started. If the service is not running, start it with systemctl."

    exit 0
  fi

  players=$(ls -1 /usr/share/dom4/savedgames/$game/*.2h | wc -l)

  if grep -qE "uploadtime|uploadmaxp" /usr/share/dom4/config/$game.properties ; then
    echo "Upload flag already set for $game. Start the service with systemctl."

    exit 0
  fi

  echo "Setting start flag for $game ($players players)"

  echo "uploadmaxp $players" | sudo -u dom4 tee -a "/usr/share/dom4/config/$game.properties" > /dev/null

  cat <<EOF

Flag set. Start the dom4-server service to begin the game.

  sudo systemctl start dom4-server.service

You may wish to enable it as well to ensure it restarts on boot.
EOF
}

function delete {
  if [[ -z $1 ]]; then
    echo "Specify a game name to delete."
    exit 0
  fi

  game=$(</usr/share/dom4/current)

  if [[ $game = $1 ]]; then
    read -r -n 2 -p "$game is currently being hosted. Really delete? [Y/n] " ovr
    if [[ $ovr != Y ]]; then
      exit 0
    fi

    sudo -u dom4 rm /usr/share/dom4/current
  fi

  # leave the mapfile in case something else is using it
  sudo -u dom4 rm /usr/share/dom4/config/$1.properties
  sudo -u dom4 rm -rf /usr/share/dom4/savedgames/$1
}

case $1 in
  "install")
    install
    ;;

  "config" | "configure")
    config "${@:2}"
    ;;

  "ready")
    ready "${@:2}"
    ;;

  "delete")
    delete "${@:2}"
    ;;

  *)
    cat <<EOF
Install Dominions 4 through SteamCMD:

  dom4 install

Configure a new game, or edit an existing one:

  dom4 config mygame

Set start flag for current game after all pretenders have been uploaded, prior to running service:

  dom4 ready

Set start flag for mygame after pretenders have been uploaded and set it as current hosted game:

  dom4 ready mygame

Delete a game (this operation is irreversible!):

  dom4 delete mygame

Service commands:

  sudo systemctl start dom4-server.service
  sudo systemctl stop dom4-server.service
  sudo systemctl restart dom4-server.service
  systemctl status dom4-server.service
EOF
    ;;
esac