#!/bin/sh

# Library directory
LIBDIR="lib"

# If we are launching from a symlink, such as /usr/local/bin/runglest.sh, we need to get where
# the symlink points to
pth="`readlink $0`"

# $pth will be empty if our start path wasnt a symlink
if [ $pth ]; then
	GAMEDIR="`dirname $pth`"
else
	GAMEDIR="`dirname $0`"
fi

# Change to the game dir, and go!
cd $GAMEDIR
echo gamedir [$GAMEDIR]

# export game library directory
test -n "${LIBDIR}" && export LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:${GAMEDIR}/${LIBDIR}"

# now deal with the openal library [libopenal.so.0]
OSTYPE=`uname -m`

OPENAL_LINKEDLIBNAME="libopenal.so.0"
OPENAL_LIBLOOKUP1=${OPENAL_LINKEDLIBNAME}
OPENAL_LIBLOOKUP2="libopenal.so.1"

DIRECTFB_LINKEDLIBNAME="libdirectfb-1.0.so.0"
DIRECTFB_LIBLOOKUP1=${DIRECTFB_LINKEDLIBNAME}
DIRECTFB_LIBLOOKUP2="libdirectfb-1.2.so.0"

FUSION_LINKEDLIBNAME="libfusion-1.0.so.0"
FUSION_LIBLOOKUP1=${DIRECTFB_LINKEDLIBNAME}
FUSION_LIBLOOKUP2="libfusion-1.2.so.0"

DIRECT_LINKEDLIBNAME="libdirect-1.0.so.0"
DIRECT_LIBLOOKUP1=${DIRECT_LINKEDLIBNAME}
DIRECT_LIBLOOKUP2="libdirect-1.2.so.0"

if [ "$OSTYPE" = "x86_64" ]; then
  OPENAL_LIBLOOKUP1="${OPENAL_LIBLOOKUP1} (libc6)"
  OPENAL_LIBLOOKUP2="${OPENAL_LIBLOOKUP2} (libc6)"

  DIRECTFB_LIBLOOKUP1="${DIRECTFB_LIBLOOKUP1} (libc6)"
  DIRECTFB_LIBLOOKUP2="${DIRECTFB_LIBLOOKUP2} (libc6)"

  FUSION_LIBLOOKUP1="${FUSION_LIBLOOKUP1} (libc6)"
  FUSION_LIBLOOKUP2="${FUSION_LIBLOOKUP2} (libc6)"

  DIRECT_LIBLOOKUP1="${DIRECT_LIBLOOKUP1} (libc6)"
  DIRECT_LIBLOOKUP2="${DIRECT_LIBLOOKUP2} (libc6)"
fi

hasopenal=`ldconfig -p | grep -m 1 "$OPENAL_LIBLOOKUP1" | cut "-d>" -f2 | cut "-d " -f2`
#echo "openal search = [$hasopenal]"
if [ -n "$hasopenal" ]; then
  echo "default openal library was found in [$hasopenal]"
else
  echo "default openal library is missing, attempting to find and link to a newer version if available..."

  hasopenal=`ldconfig -p | grep -m 1 "$OPENAL_LIBLOOKUP2" | cut "-d>" -f2 | cut "-d " -f2`
  if [ -n "$hasopenal" ]; then
    echo "new openal library link = $hasopenal"
    ln -f -s $hasopenal lib/${OPENAL_LINKEDLIBNAME}
  fi
fi

hasdirectfb=`ldconfig -p | grep -m 1 "$DIRECTFB_LIBLOOKUP1" | cut "-d>" -f2 | cut "-d " -f2`
#echo "directfb search = [$hasdirectfb]"
if [ -n "$hasdirectfb" ]; then
  echo "default directfb library was found in [$hasdirectfb]"
else
  echo "default directfb library is missing, attempting to find and link to a different location if available..."

  hasdirectfb=`ldconfig -p | grep -m 1 "$DIRECTFB_LIBLOOKUP2" | cut "-d>" -f2 | cut "-d " -f2`
  if [ -n "$hasdirectfb" ]; then
    echo "new directfb library link = $hasdirectfb"
    ln -f -s $hasdirectfb lib/${DIRECTFB_LINKEDLIBNAME}
  fi
fi

hasfusion=`ldconfig -p | grep -m 1 "$FUSION_LIBLOOKUP1" | cut "-d>" -f2 | cut "-d " -f2`
#echo "fusion search = [$hasfusion]"
if [ -n "$hasfusion" ]; then
  echo "default fusion library was found in [$hasfusion]"
else
  echo "default fusion library is missing, attempting to find and link to a different location if available..."

  hasfusion=`ldconfig -p | grep -m 1 "$FUSION_LIBLOOKUP2" | cut "-d>" -f2 | cut "-d " -f2`
  if [ -n "$hasfusion" ]; then
    echo "new fusion library link = $hasfusion"
    ln -f -s $hasfusion lib/${FUSION_LINKEDLIBNAME}
  fi
fi

hasdirect=`ldconfig -p | grep -m 1 "$DIRECT_LIBLOOKUP1" | cut "-d>" -f2 | cut "-d " -f2`
#echo "direct search = [$hasdirect]"
if [ -n "$hasdirect" ]; then
  echo "default direct library was found in [$hasdirect]"
else
  echo "default direct library is missing, attempting to find and link to a different location if available..."

  hasdirect=`ldconfig -p | grep -m 1 "$DIRECT_LIBLOOKUP2" | cut "-d>" -f2 | cut "-d " -f2`
  if [ -n "$hasdirect" ]; then
    echo "new direct library link = $hasdirect"
    ln -f -s $hasdirect lib/${DIRECT_LINKEDLIBNAME}
  fi
fi

./bin/glest.bin 2>&1 | tee -a glest.log
# ./bin/glest.bin 2>&1 | tee -a /tmp/`date +"%F_%k-%M-%S"`.glest.log 2>&1