# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

EAPI="2"

inherit eutils unpacker multilib games

MY_INST="${PN}_${PV}-english-2.run"
MY_EXE="setup_kingpin.exe"

DESCRIPTION="Adult-oriented FPS featuring violent gang warfare"
HOMEPAGE="http://www.liflg.org/?catid=6&gameid=2"
SRC_URI="http://www.liflg.org/?what=dl&catid=6&gameid=2&filename=${MY_INST} -> ${MY_INST}
	!cdinstall? ( ${MY_EXE} )"

LICENSE="as-is"
SLOT="0"
KEYWORDS="amd64 ~x86"
IUSE="cdinstall"
RESTRICT="strip !cdinstall? ( fetch )"
PROPERTIES="cdinstall? ( interactive )"

RDEPEND="x86? (
		virtual/opengl
		x11-libs/libX11
		x11-libs/libXau
		x11-libs/libXdmcp
		x11-libs/libXext )
	amd64? (
		app-emulation/emul-linux-x86-sdl
		app-emulation/emul-linux-x86-xlibs )"
DEPEND="virtual/cdrtools
	!cdinstall? ( app-arch/innounp )"

S=${WORKDIR}
dir=${GAMES_PREFIX_OPT}/${PN}

QA_TEXTRELS="${dir:1}/kphack.so
	${dir:1}/ref_gl.so
	${dir:1}/ref_glx.so"

pkg_nofetch() {
	elog "You must place a copy of, or symlink to, the GOG setup package in:"
	elog "${DISTDIR}"
	echo
	elog "If you wish to install from CD-ROM instead, please enable the cdinstall flag"
}

pkg_setup() {
	games_pkg_setup

	if use cdinstall; then
		cdrom_get_cds kingpin/data1.cab
		case ${CDROM_SET} in
			0) echo 'Found CD' ;;
			*) die "Unrecognized CD" ;;
		esac
	else
		if [ ! -e "${DISTDIR}/${MY_EXE}" ]; then
			ewarn "You must copy or symlink '${MY_EXE}' to your distfiles directory"
			die "GOG installer not found"
		fi
	fi
}

src_unpack() {
	unpack_makeself ${MY_INST}
	unpack ./kingpin_${PV}.tar
	unpack ./kphack.tar.gz

	# Extract files from CD-ROM if appropriate
	if use cdinstall; then
		einfo "Unpacking CD-ROM files.  This will take a while..."

		# Fix installed script to support spaces in CD path
		sed -e 's/$SETUP_CDROMPATH/"$SETUP_CDROMPATH"/g' \
			-e 's/${SETUP_CDROMPATH}/"${SETUP_CDROMPATH}"/g' \
			-i setup.data/install-disc1.sh || die "sed install-disc1.sh"

		chmod a+x setup.data/install-disc1.sh
		SETUP_CDROMPATH="${CDROM_ROOT}" ./setup.data/install-disc1.sh \
			|| die "install-disc1.sh"

		# Delete duplicate files; bin package takes precedence
		rm data/program_executable_files/main/{server.cfg,teammaps.lst}

	# Otherwise, extract files from GOG package
	else
		einfo "Unpacking ${MY_EXE}.  This will take a while..."
		mkdir -p "${HOME}/wine" || die "wine mkdir"
		HOME="${HOME}/wine" DISPLAY="" SANDBOX_PREDICT="/" \
			innounp -x -dgog "${DISTDIR}/${MY_EXE}" >/dev/null 2>&1 \
			|| die "innounp"
		HOME="${HOME}/wine" wineserver -k || die "wineserver"

		# Remove files
		export app="gog/{app}"
		rm "${app}"/main/config.cfg
		rm "${app}"/main/gamex86.dll

		# Convert spaces
		OLDIFS=$IFS
		IFS=$(echo -en "\n\b")
		for i in $(find "${app}/main/sound/actors/player" -name "* *"); do
			local dest=$(echo "${i}" | tr " " "_")
			mv -f "${i}" "${dest}"
		done

		# Convert all files to lowercase case
		for i in $(find "${app}/main" -type f); do
			local ddir=$(dirname "${i}")
			local dfile=$(echo $(basename "${i}") | tr "[:upper:]" "[:lower:]")
			[ ! -f "${ddir}/${dfile}" ] && mv -f "${i}" "${ddir}/${dfile}"
		done
		for i in $(find "${app}/main" -type d); do
			local d=$(echo "${i}" | tr "[:upper:]" "[:lower:]")
			[ ! -d "${d}" ] && mv -f "${i}" "${d}"
		done
		IFS=$OLDIFS

		# Delete duplicate files; bin package takes precedence
		rm "${app}"/main/{server.cfg,teammaps.lst}
		rm "${app}"/main/maps/team_{rival,towers}.bsp
	fi
}

src_prepare() {
	# Disable public access to server by default
	sed -e 's/set public 1/set public 0/' \
		-i main/server.cfg || die "sed server"

	# Work around GL extensions issue with recent nvidia drivers
	# see bug 326837
	sed -e 's;^\(./${GAME_BINARY} \);__GL_ExtensionStringVersion=17700 \1;' \
		-i "bin/${PN}.sh" || die "gl extensions fix"

	# Set installation path
	echo "${dir}" > kingpin.conf || die "echo"
}

src_install() {
	insinto "${dir}"

	if use cdinstall; then
		doins -r {data/*,.}/main kingpin.conf || die "doins main"
	else
		doins -r {"${app}",.}/main kingpin.conf || die "doins main"
		# Also install manual, which should be included with GOG package
		if [ -f "${app}"/MANUAL.PDF ]; then
			insinto usr/share/doc/"${PF}"
			newins "${app}"/MANUAL.PDF manual.pdf
		fi
	fi

	dodoc README* || die "dodoc"

	# Create fake cd image that can be used to workaround cd check;
	# This is necessary for the GOG version, which does not include a CD
	mkdir -p fakecd/kingpin
	touch fakecd/kingpin/data1.cab
	# cdrkit provides genisoimage and cdrtools provides mkisofs
	genisoimage -quiet -joliet -ucs-level 3 -input-charset iso8859-1 -appid '' -sysid 'CD-RTOS CD-BRIDGE' -volid KINGPIN -o fakecd.iso fakecd/ \
		|| mkisofs -quiet -J -ucs-level 3 -input-charset iso8859-1 -V KINGPIN -o fakecd.iso fakecd/

	doins fakecd.iso

	exeinto "${dir}"
	doexe ${PN}.x86 bin/${PN}.sh *.so || die "doexe"

	exeinto "${dir}"/main
	doexe main/*.so || die "doexe main"

	doicon ${PN}.xpm || die "doicon"
	games_make_wrapper ${PN} ./${PN}.sh "${dir}" "${dir}"
	make_desktop_entry ${PN} "Kingpin" ${PN}

	prepgamesdirs
}

pkg_postinst() {
	games_pkg_postinst

	elog "If you installed from CD, please mount the Kingpin CD before playing."
	echo
	elog "If you installed from the GOG package, you must workaround the CD check:"
	elog "   sudo mount -o loop -t iso9660 ${dir}/fakecd.iso /mnt/cdrom"
	echo
}