#!/bin/bash
# $Header: /root/magellan-cvs/src/freespace2/fs2-open-installer.sh,v 1.2 2007-01-17 00:23:25 niro Exp $
# Freespace2 retail files installer

# some default vars
DATADIR=/usr/games/freespace2
CDROM="$1"

COLRED="\033[1;6m\033[31m"
COLGREEN="\033[1;6m\033[32m"
COLDEFAULT="\033[0m"

if [[ ${NOCOLORS} = true ]]
then
	COLRED=""
	COLGREEN=""
	COLDEFAULT=""
fi

is_mounted() {
	local dev=$1
	local i

	i=$(cat /proc/mounts | grep "${dev} " | cut -d ' ' -f1)
	[[ ${i} != ${dev} ]] && return 1

	return 0
}

die()
{
	echo -e ${COLRED}"Error: $@"${COLDEFAULT}

	# clean up
	is_mounted ${CDROM} && umount ${CDROM}
	sleep 2
	[[ -d ${TMP} ]] && rm -rf ${TMP}

	exit 1
}

cecho()
{
	echo -e ${COLGREEN}"$@"${COLDEFAULT}
}

[[ $(id -u) != 0 ]] && die "You must be root!"
[[ -f ${DATADIR}/.installed ]] && die "Media files already installed."
[[ -z $(which unshield) ]] && die "unshield not found."
[[ -z $(which mktemp) ]] && die "mktemp not found."
[[ -z $(which eject) ]] && die "eject not found."
[[ -z ${CDROM} ]] && die "No cdrom device given."

TMP="$(mktemp -d)"

# some needed directories
install -d ${TMP}/cdrom
install -d ${TMP}/data
install -d ${TMP}/retailvp

cecho "To setup Freespace2 I need to copy several files from the original CDs."
echo

#### disc1 ####
eject ${CDROM}
cecho "Please insert disc1 of Freespace2 into your cdrom and press enter"
read
eject -t ${CDROM}

mount ${CDROM} ${TMP}/cdrom || die "mount disc1"
[[ ! -f ${TMP}/cdrom/data1.cab ]] && die "disc1 not found"

cecho "Now extracting retail files from data1.cab ..."
pushd ${TMP}
for group in "Basic Install Files" \
		"Intel Anims" \
		"Music Compressed" \
		"High Res Files"
do
	unshield -d ./retailvp -g "${group}" -L -j x ${TMP}/cdrom/data1.cab || die "unpacking '${group}'"
done
unshield -d ./ -g "Hud Config Files" -L -j x ${TMP}/cdrom/data1.cab || die "unpacking ${group}"
popd

umount ${TMP}/cdrom || die "umount disc1 failed"
eject ${CDROM}


#### disc2 ####
echo
cecho "Please insert disc2 of Freespace2 into your cdrom and press enter"
read
eject -t ${CDROM}

mount ${CDROM} ${TMP}/cdrom || die "mount disc2"
[[ ! -f ${TMP}/cdrom/data2.cab ]] && die "disc2 not found"

for i in tango1_fs2.vp COLOSSUS.MVE INTRO.MVE MONO1.MVE
do
	cecho "Copying ${i} to ${TMP}/data"
	# lower case needed!
	cp -vg ${TMP}/cdrom/${i} ${TMP}/data/$(echo $i | tr [:upper:] [:lower:]) || die "copying ${i}"
done
umount ${TMP}/cdrom || die "umount disc2 failed"
eject ${CDROM}


#### disc3 ####
echo
cecho "Please insert disc3 of Freespace2 into your cdrom and press enter"
read
eject -t ${CDROM}

mount ${CDROM} ${TMP}/cdrom || die "mount disc3"
[[ ! -f ${TMP}/cdrom/data3.cab ]] && die "disc3 not found"


for i in tango2_fs2.vp tango3_fs2.vp BASTION.MVE ENDPART1.MVE \
	ENDPRT2A.MVE ENDPRT2B.MVE MONO2.MVE MONO3.MVE MONO4.MVE
do
	cecho "Copying ${i} to ${TMP}/data"
	# lower case needed!
	cp -vg ${TMP}/cdrom/${i} ${TMP}/data/$(echo $i | tr [:upper:] [:lower:]) || die "copying ${i}"
done
umount ${TMP}/cdrom || die "umount disc3 failed"
eject ${CDROM}


cecho "Installing Retail Freespace2 files to the system ..."
install -v -m0644 ${TMP}/hud_config_files/* ${DATADIR}/data/players || die "installing HUD"
install -v -m0644 ${TMP}/retailvp/*/* ${DATADIR}/data/players || die "installing retailvps1"
install -v -m0644 ${TMP}/data/*.vp ${DATADIR} || die "installing retailvps2"
install -v -m0644 ${TMP}/data/*.mve ${DATADIR}/data/movies || die "installing movies"

# mark installation as "installed"
touch ${DATADIR}/.installed

cecho "Cleaning up temp dirs ..."
[[ -d ${TMP} ]] && rm -rf ${TMP}

cecho "Installation of Freespace2 successfully finished!"
exit 0