feat: add mods setup script

dayz-mods.sh

@@ -0,0 +1,126 @@
+#!/usr/bin/env bash
+set -eo pipefail
+
+SELF=$(basename "$(readlink -f "${0}")")
+
+[[ -z "${STEAM_ROOT}" ]] && STEAM_ROOT="${XDG_DATA_HOME:-${HOME}/.local/share}/Steam"
+STEAM_ROOT="${STEAM_ROOT}/steamapps"
+
+DAYZ_ID=221100
+DIR_WORKSHOP="${STEAM_ROOT}/workshop/content/${DAYZ_ID}"
+DIR_DAYZ="${STEAM_ROOT}/common/DayZ"
+
+API_URL="https://api.daemonforge.dev/server/@ADDRESS@/@PORT@/full"
+API_PARAMS=(
+  -sSL
+  -H "Referer: https://daemonforge.dev/"
+  -H "User-Agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Safari/537.36"
+)
+
+DEBUG=0
+LAUNCH=0
+SERVER=""
+PORT="27016"
+INPUT=()
+
+declare -A DEPS=(
+  [gawk]=gawk
+  [curl]=curl
+  [jq]=jq
+  [steam]=steam
+)
+
+while (( "$#" )); do
+  case "${1}" in
+    -d|--debug)
+      DEBUG=1
+      ;;
+    -l|--launch)
+      LAUNCH=1
+      ;;
+    -s|--server)
+      SERVER="${2}"
+      shift
+      ;;
+    -p|--port)
+      PORT="${2}"
+      shift
+      ;;
+    *)
+      INPUT+=("${1}")
+      ;;
+  esac
+  shift
+done
+
+
+# ----
+
+
+err() {
+  echo >&2 "[${SELF}][error] ${@}"
+  exit 1
+}
+
+msg() {
+  echo "[${SELF}][info] ${@}"
+}
+
+debug() {
+  [[ ${DEBUG} == 1 ]] && echo "[${SELF}][debug] ${@}"
+}
+
+check_dir() {
+  [[ -d "${1}" ]] || err "Invalid/missing directory: ${1}"
+}
+
+
+# ----
+
+
+for dep in "${!DEPS[@]}"; do
+  command -v "${dep}" 2>&1 >/dev/null || err "${DEPS["${dep}"]} is missing. Aborting."
+done
+
+check_dir "${DIR_DAYZ}"
+check_dir "${DIR_WORKSHOP}"
+
+if [[ -n "${SERVER}" ]]; then
+  msg "Querying API for server: ${SERVER}:${PORT}"
+  query="$(sed -e "s/@ADDRESS@/${SERVER}/" -e "s/@PORT@/${PORT}/" <<< "${API_URL}")"
+  debug "Querying ${query}"
+  response="$(curl "${API_PARAMS[@]}" "${query}")"
+  INPUT+=( $(jq -r ".mods[] | select(.app_id == ${DAYZ_ID}) | .id" <<< "${response}") )
+fi
+
+mods=()
+for modid in "${INPUT[@]}"; do
+  modpath="${DIR_WORKSHOP}/${modid}"
+  [[ -d "${modpath}" ]] || err "Missing mod directory for: ${modid}"
+
+  modmeta="${modpath}/meta.cpp"
+  [[ -f "${modmeta}" ]] || err "Missing mod metadata for: ${modid}"
+
+  modname="$(gawk 'match($0,/name\s*=\s*"(.+)"/,m){print m[1];exit}' "${modmeta}")"
+  [[ -n "${modname}" ]] || err "Missing mod name for: ${modid}"
+  debug "Mod ${modid} found: ${modname}"
+
+  if ! [[ -L "${DIR_DAYZ}/@${modname}" ]]; then
+    msg "Creating mod symlink for: ${modname}"
+    ln -sr "${modpath}" "${DIR_DAYZ}/@${modname}"
+  fi
+
+  mods+=("@${modname}")
+done
+
+cmdline=()
+if [[ "${#mods[@]}" -gt 0 ]]; then
+  cmdline+=("\"-mod=$(IFS=";"; echo "${mods[*]}")\"")
+fi
+
+if [[ "${LAUNCH}" == 1 ]]; then
+  set -x
+  steam -applaunch "${DAYZ_ID}" "${cmdline[@]}"
+else
+  echo "${cmdline[@]}"
+fi