# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

inherit eutils games

DESCRIPTION="Viking hack and slay game"
HOMEPAGE="http://www.runegame.com"
SRC_URI="rune-all-0.3.tar.bz2"

LICENSE="LOKI-EULA"
SLOT="0"
KEYWORDS="amd64 x86"
RESTRICT="strip"
IUSE=""

RDEPEND="virtual/opengl
		dev-util/xdelta
	x86? (
		x11-libs/libX11
		x11-libs/libXext
		>=media-libs/libsdl-1.2.9-r1 )
	amd64? (
		app-emulation/emul-linux-x86-xlibs
		app-emulation/emul-linux-x86-compat
		app-emulation/emul-linux-x86-sdl )"

DEPEND=""

S=${WORKDIR}

GAMES_CHECK_LICENSE="yes"
dir=${GAMES_PREFIX_OPT}/${PN}
Ddir=${D}/${dir}

src_unpack() {
	export CDROM_SET_NAMES=("Linux Rune CD" "Windows Rune CD Version 1.07")
	einfo "This game will NOT work with any Windows Rune CD prior to version
	1.07.\nIf you are one of those unlucky persons, you can try out
	app-emulation/wine, with wine Rune works great and it is possible to install the 1.08
	patch."
	cdrom_get_cds System/rune-bin:CDVERSION107FILE #FIXME: find working filename
	dodir "${dir}"
	if [[ ${CDROM_SET} -eq 0 ]]
	then
		# unpack the data files
		tar xzf "${CDROM_ROOT}"/data.tar.gz || die "Could not unpack data.tar.gz"
	elif [[ ${CDROM_SET} -eq 1 ]]
	then
		# unpack the rune-all-0.3.tar.bz2
		unpack ${A} || die "Could not unpack rune-all-0.3.tar.bz2"
	fi
}

src_install() {
	insinto "${dir}"
	exeinto "${dir}"
	einfo "Copying files... this may take a while..."

	case ${CDROM_SET} in
	0)
		for x in Help Maps Meshes Sounds System Textures Web
		do
			doins -r $x || die "copying $x"
		done

		# copy linux specific files
		doins -r "${CDROM_ROOT}"/System \
			|| die "Could not copy Linux specific files"

		# the most important things: rune and ucc :)
		doexe "${CDROM_ROOT}"/bin/x86/rune \
			|| die "Could not install rune executable"
		fperms 750 ${dir}/System/{ucc{,-bin},rune-bin} \
			|| die "Could not make executables executable"

		# installing documentation/icon
		dodoc "${CDROM_ROOT}"/{README,CREDITS} || die "Could not dodoc README.linux"
		newicon "${CDROM_ROOT}"/icon.xpm rune.xpm || die "Could not copy pixmap"
	;;
	1)
		# copying Maps Sounds and Web
		for x in Maps Sounds Web
		do
			doins -r "${CDROM_ROOT}"/$x || die "copying $x"
		done

		# copying the texture files
		dodir ${dir}/Textures
		for x in $(find "${CDROM_ROOT}"/Textures/ -type f -printf '%f ')
		do
			echo -ne '\271\325\036\214' | cat - ${CDROM_ROOT}/Textures/$x \
				|sed -e '1 s/\(....\)..../\1/' > ${Ddir}/Textures/$x \
				|| die "modifying and copying $x"
		done

		doins -r ${S}/System || die "Could not copy Linux specific files"
		doins -r ${S}/Help || die "Could not copy Help data"
		for x in $(find ${S}/patch/{System,Maps,Meshes} 2> /dev/null |\
			sed -n -e "s:.*/\([^/]\+/[^/]\+\)\.patch$:\1:p")
		do
			xdelta patch ${S}/patch/${x}.patch ${CDROM_ROOT}/${x} ${S}/patch/${x}
			doins ${S}/patch/${x} || die "Could not copy Patch data"
		done

		insinto ${dir}/System

		# copying system files from the Windows CD
		for x in "${CDROM_ROOT}"/System/*.{int,u,url}; do
			doins $x || die "copying $x"
		done

		# modify the files
		mv ${Ddir}/System/OpenGlDrv.int ${Ddir}/System/OpenGLDrv.int \
			|| die "Could not modify System file OpenGlDrv.int"
		mv ${Ddir}/Textures/bloodFX.utx ${Ddir}/Textures/BloodFX.utx \
			|| die "Could not modify Texture file bloodFX.utx"
		mv ${Ddir}/Textures/RUNESTONES.UTX ${Ddir}/Textures/RUNESTONES.utx \
			|| die "Could not modify Texture file RUNESTONES.UTX"
		mv ${Ddir}/Textures/tedd.utx ${Ddir}/Textures/Tedd.utx \
			|| die "Could not modify Texture file tedd.utx"
		mv ${Ddir}/Textures/UNDERANCIENT.utx ${Ddir}/Textures/UnderAncient.utx \
			|| die "Could not modify Texture file UNDERANCIENT.utx"
		rm ${Ddir}/System/{Setup.int,SGLDrv.int,MeTaLDrv.int,Manifest.int,D3DDrv.int,Galaxy.int,SoftDrv.int,WinDrv.int,Window.int} || die "Could not delete not needed System files"

		# the most important things: rune and ucc :)
		doexe ${S}/bin/x86/rune || die "Could not install rune executable"
		fperms 750 ${dir}/System/{ucc,ucc-bin,rune-bin} \
			|| die "Could not make executables executable"

		# installing documentation/icon
		dodoc "${S}"/{README,CREDITS} || die "Could not dodoc README.linux"
		doicon "${S}"/rune.xpm rune.xpm || die "Could not copy pixmap"
	;;
	esac

	use amd64 && mv ${Ddir}/System/libSDL-1.2.so.0 \
		${Ddir}/System/libSDL-1.2.so.0.backup

	games_make_wrapper ${PN} ./rune "${dir}"
	make_desktop_entry rune "Rune" rune.xpm "Game;ActionGame"
	find ${Ddir} -exec touch '{}' \;
	prepgamesdirs
}