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

inherit eutils flag-o-matic games

MY_PV="${PV/_beta/b}"
MY_SRC="${PN}-v${MY_PV}-source.zip"
MY_URL="http://runecentral.com/${PN}"
MY_WINDOWS="${PN}-v${MY_PV}-win32.zip"
MY_WAD="${PN}_wad.zip"
MY_HIPNOTIC="hipnotic_wad.zip"
MY_LIGHTS="fuhquake-lits.rar"

DESCRIPTION="Improved Quake 1 engine with ZQuake and FuhQuake graphical effects"
HOMEPAGE="http://www.runecentral.com/joequake/"
SRC_URI="${MY_URL}/${MY_SRC}
	${MY_URL}/${MY_WAD}
	${MY_URL}/${MY_WINDOWS}
	soa? ( ${MY_URL}/${MY_HIPNOTIC} )
	lights? ( http://www.fuhquake.net/files/extras/${MY_LIGHTS} )"

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~x86"
# Info at http://www.freebsd.org/cgi/cvsweb.cgi/ports/games/joequake/Makefile
# Is not compatible with the demo data.
IUSE="cdinstall cdsound doe lights skins soa textures"

UIDEPEND="media-libs/jpeg
	media-libs/libpng
	virtual/opengl
	x11-libs/libX11
	x11-libs/libXau
	x11-libs/libXdmcp
	x11-libs/libXext
	x11-libs/libXxf86dga
	x11-libs/libXxf86vm"
RDEPEND="${UIDEPEND}
	cdinstall? ( games-fps/quake1-data )
	doe? ( games-fps/quake1-doe )
	skins? ( games-fps/quake1-skins )
	soa? ( games-fps/quake1-soa )
	textures? ( >=games-fps/quake1-textures-20050820 )"
DEPEND="${UIDEPEND}
	lights? ( app-arch/rar )
	textures? ( app-arch/rar )
	app-arch/unzip"

S=${WORKDIR}/src
dir=${GAMES_DATADIR}/quake1

QA_EXECSTACK=${GAMES_BINDIR:1}/${PN}

src_unpack() {
	# Windows file is needed for pak0.pak and docs
	unpack "${MY_WINDOWS}"
	unpack "${MY_SRC}"
	rm *.exe ${PN}/*.dll

	mkdir -p ${PN}/textures
	cd ${PN}/textures
	unpack "${MY_WAD}"

	if use soa ; then
		mkdir hipnotic
		cd hipnotic
		unpack "${MY_HIPNOTIC}"
		mv wad/* .
		rmdir wad
	fi

	if use lights ; then
		cd "${WORKDIR}"/${PN}
		mkdir lits
		cd lits
		rar x "${DISTDIR}/${MY_LIGHTS}" \
			|| die "rar lights failed"
	fi

	cd "${S}"
	# -O6 & -O2 stop the OpenGL screen from updating properly between frames.
	# Only additional CFLAGS optimization is the -march flag.
	local march=$(get-flag -march)
	mv -f Makefile{.linux,}
	sed -i \
		-e "s:-O6:-O0:" \
		-e "s:-march=pentiumpro:${march}:" \
		Makefile || die "sed Makefile failed"

	# Set shared & user directories.
	# Change default "-mem" parameter to cope with large maps.
	sed -i \
		-e "s:com_argv\[i+1\]));:com_argv\[i+1\]));\n\n\tmkdir (va(\"%s/%s\", getenv (\"HOME\"), \".${PN}\"), 0755);\n\tCOM_AddGameDirectory (va(\"%s/%s\", getenv (\"HOME\"), \".${PN}\"));:" \
		common.c || die "sed common.c failed"
	sed -i \
		-e "s:basedir = \".\":basedir = \"${dir}\":" \
		-e "s:parms.memsize = 16:parms.memsize = 64:" \
		sys_linux.c || die "sed sys_linux.c failed"

	# Save all the cvars by default
	sed -i \
		-e "s:savevars\", \"0:savevars\", \"1:" \
		cvar.c || die "sed cvar.c failed"

	if ! use cdsound ; then
		# Turn the CD accesses off
		sed -i \
			-e "s:/dev/cdrom:/dev/null:" \
			-e 's:COM_CheckParm("-nocdaudio"):1:' \
			cd_linux.c || die "sed cd_linux.c failed"
	fi
}

src_install() {
	newgamesbin release_glx/${PN}-gl.glx ${PN} \
		|| die "newgamesbin opengl failed"

	insinto "${dir}"
	doins -r "${WORKDIR}/${PN}" || die "doins failed"
	rm -r "${D}/${dir}/${PN}"/doc

	if use cdinstall ; then
		make_desktop_entry ${PN} "JoeQuake" ${PN}.png
	fi
	if use doe ; then
		games_make_wrapper ${PN}-doe "${PN} -rogue"
		make_desktop_entry ${PN}-doe "JoeQuake (Dissolution of Eternity)" ${PN}.png
	fi

	if use soa ; then
		games_make_wrapper ${PN}-soa "${PN} -hipnotic"
		make_desktop_entry ${PN}-soa "JoeQuake (Scourge of Armagon)" ${PN}.png
	fi

	dodoc "${WORKDIR}/${PN}"/doc/*

	prepgamesdirs
}

pkg_postinst() {
	games_pkg_postinst

	elog "To run the game most conveniently,"
	elog "set up a ~/bin/joequake script containing e.g.:"
	elog
	elog "${GAMES_BINDIR}/${PN} -width 1024 -height 768 -fullscreen -bpp 32 -mem 128 +set s_khz 44 \$@"
	echo
}