#!/bin/sh

# CUBE_DIR should refer to the directory in which AssaultCube is placed.
#CUBE_DIR=~/assaultcube
#CUBE_DIR=/usr/local/assaultcube
CUBE_DIR=.

# CUBE_OPTIONS starts AssaultCube with any command line options you choose.
CUBE_OPTIONS=""

# Comment this out, to disable reading command line options from config/servercmdline.txt
# If enabled, any options under CUBE_OPTIONS are superseded by options in servercmdline.txt
CUBE_OPTIONFILE=-Cconfig/servercmdline.txt

# SYSTEM_NAME should be set to the name of your operating system.
#SYSTEM_NAME=Linux
SYSTEM_NAME=`uname -s`

# MACHINE_NAME should be set to the architecture of your processor.
#MACHINE_NAME=i686
MACHINE_NAME=`uname -m`

case ${SYSTEM_NAME} in
Linux)
  SYSTEM_NAME=linux_
  ;;
*)
  SYSTEM_NAME=unknown_
  ;;
esac

case ${MACHINE_NAME} in
i486|i586|i686)
  MACHINE_NAME=
  ;;
x86_64)
  MACHINE_NAME=64_
  ;;
*)
  if [ ${SYSTEM_NAME} != native_ ]
  then
    SYSTEM_NAME=native_
  fi
  MACHINE_NAME=
  ;;
esac

if [ -x "${CUBE_DIR}/bin_unix/native_server" ]
then
  SYSTEM_NAME=native_
  MACHINE_NAME=
fi

BINARYPATH="${CUBE_DIR}/bin_unix/${SYSTEM_NAME}${MACHINE_NAME}server"

if [ "$1" = "--outputbinarypath" ]; then
  echo "${BINARYPATH}"
  exit 0
elif [ -x "${BINARYPATH}" ]; then
  # Kill any leftover server instances from previous runs, so the ports are free.
  # (anchored on "/<binary> " so we can never match our own command line)
  if command -v pkill >/dev/null 2>&1; then
    pkill -f "(^|/)$(basename "${BINARYPATH}")( |$)" >/dev/null 2>&1 || true
    sleep 1
  fi
  cd "${CUBE_DIR}"
  exec "${BINARYPATH}" ${CUBE_OPTIONS} ${CUBE_OPTIONFILE} "$@"
else
  echo "Your platform does not have a pre-compiled AssaultCube server."
  echo "Please follow the following steps to build a native client:"
  echo "1) Ensure you have the following DEVELOPMENT libraries installed:"
  echo "   zlib"
  echo "2) Ensure clang++ and any other required build tools are installed."
  echo "3) Change directory to ./source/src/ and type \"make server_install\"."
  echo "4) If the compile succeeds, return to this directory and re-run this script."
  exit 1
fi