# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

inherit games

DESCRIPTION="Game data for FreeSpace - The Great War. Requires CDs or previous installation."
HOMEPAGE="http://www.volition-inc.com/fs/"
SRC_URI="http://icculus.org/~taylor/freespace/updates/fs-${PV}-us-x86.run
	http://icculus.org/~taylor/freespace/updates/fs-${PV}-uk-x86.run
	http://icculus.org/~taylor/freespace/updates/fs-${PV}-german-x86.run"

LICENSE="freespace1"
SLOT="0"
KEYWORDS="~x86"
IUSE="videos"

DEPEND="games-util/loki_patch"

pkg_setup() {
	if [[ -z "${FS_PATCH_LANG}" ]]; then
		echo
		ewarn "FreeSpace - The Great War needs to be patched to version ${PV}. There"
		ewarn "are patches available for the American, British and German versions."
		ewarn "You need to select one of these patches using the FS_PATCH_LANG"
		ewarn "environment variable like so."
		ewarn
		ewarn "  FS_PATCH_LANG=us emerge ${PN}"
		ewarn "  FS_PATCH_LANG=uk emerge ${PN}"
		ewarn "  FS_PATCH_LANG=de emerge ${PN}"
		ewarn
		ewarn "It seems that you can even use these patches on language versions"
		ewarn "that they were not intended for but only some of the text is replaced,"
		ewarn "resulting in a mix of the two languages. This isn't recommended."
		ewarn
		ewarn "Since you did not specify FS_PATCH_LANG, the installation will"
		ewarn "continue without patching. Unless you know that you already have"
		ewarn "version ${PV}, it is recommended that you stop Portage now and"
		ewarn "start the installation again with FS_PATCH_LANG set."
		echo
	fi
}

src_unpack() {
	mkdir "${S}" "${S}/Data"
	cd "${S}"
	
	X=${FS_PATCH_LANG}
	[[ "${X}" == "de" ]] && X=german
	
	FSDIR="${GAMES_DATADIR}/freespace1"
	
	CDROM_NAME_1="FreeSpace - The Great War (Disc 1)"
	CDROM_NAME_2="FreeSpace - The Great War (Disc 2)"
	
	if use videos; then
		
		cdrom_get_cds Data/movies/ancients1.mve data/movies/ancients2.mve
		
		install -m 0640 "${CDROM_ROOT}/readme.txt" ..
		install -m 0640 "${CDROM_ROOT}"/*.vp .
		install -m 0640 "${CDROM_ROOT}/Data"/*.vp  Data
		install -m 0640 "${CDROM_ROOT}/Data/movies"/* .
		
		cdrom_load_next_cd
		
		install -m 0640 "${CDROM_ROOT}/data/movies"/* .
		
	else
		
		cdrom_get_cds Data/freespace.vp
		
		install -m 0640 "${CDROM_ROOT}/readme.txt" ..
		install -m 0640 "${CDROM_ROOT}"/*.vp .
		install -m 0640 "${CDROM_ROOT}/Data"/*.vp Data
		
	fi
	
	# Has a patch been requested?
	if [[ -n "${X}" ]]; then
		
		# Unpack the patch.
		mkdir "${WORKDIR}/patch"
		cd "${WORKDIR}/patch"
		tail -n +$(sed -n "s:^skip=::p" "${DISTDIR}/fs-${PV}-${X}-x86.run") "${DISTDIR}/fs-${PV}-${X}-x86.run" | tar zx
		
		# Try to apply it.
		ebegin "Attempting to apply the ${PV} (${FS_PATCH_LANG}) patch"
		loki_patch patch.dat "${S}" &> /dev/null
		STATUS=$?
		eend $STATUS
		
		# Oh no!
		[[ "${STATUS}" != "0" ]] && ewarn "Patch failed. You may experience problems with the game."
		
		# The patches add this file but it is no longer needed.
		rm -f "${S}/fs1.vp"
		
	fi
}

src_compile() {
	einfo "Nothing to compile!"
}

src_install() {
	dodoc "${WORKDIR}/readme.txt"
	
	# Might as well move the files since it's quicker.
	mkdir -p "${D}${GAMES_DATADIR}"
	mv "${S}" "${D}${FSDIR}"
	
	prepgamesdirs
}