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# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: /var/cvsroot/gentoo-x86/games-rpg/eternal-lands/eternal-lands-1.3.2-r1.ebuild,v 1.3 2006/10/19 14:31:00 uberlord Exp $

inherit eutils flag-o-matic games

MY_PV="${PV//_/}"
MY_PV="${MY_PV//./}"
S="${WORKDIR}/elc"
DESCRIPTION="An online MMORPG written in C and SDL"
HOMEPAGE="http://www.eternal-lands.com"
SRC_URI="mirror://gentoo/elc_${MY_PV}.tar.bz2
	mirror://gentoo/eternal-lands.png"

# NOTE: Sometimes you'll have to roll your own elc tarball from their CVS
# tree as they don't always release one.
# If they do then use this in SRC_URI instead
# ftp://ftp.berlios.de/pub/elc/elc_${MY_PV}.tgz

LICENSE="eternal_lands"
SLOT="0"
KEYWORDS="~amd64 ~x86"
IUSE="debug doc kernel_linux"

RDEPEND="
	|| ( (
		x11-libs/libX11
		x11-libs/libXau
		x11-libs/libXdmcp
		x11-libs/libXext )
		virtual/x11 )
	virtual/opengl
	>=media-libs/libsdl-1.2.5
	>=media-libs/sdl-net-1.2.5
	~media-libs/openal-0.0.8
	media-libs/freealut
	media-libs/libvorbis
	>=dev-libs/libxml2-2.6.7
	media-libs/cal3d
	!=media-libs/cal3d-0.11.0_pre20050823
	>=media-libs/libpng-1.2.8
	~games-rpg/${PN}-data-${PV}"

DEPEND="${RDEPEND}
	app-arch/unzip
	doc? ( >=app-doc/doxygen-1.3.8
		>=media-gfx/graphviz-1.10 )"

src_unpack() {
	OPTIONS="OPTIONS=-DDATA_DIR="\\\\\"${GAMES_DATADIR}/${PN}/\\\\\"""
	S_CLIENT="${WORKDIR}/elc"
	BROWSER="konqueror"

	unpack ${A}
	cd "${S}"

	# Remove CVS entries
	find . -type d -name CVS -exec rm -rf {} \; 2>/dev/null

	# Create updated files with correct perms and allow dir creation
	epatch "${FILESDIR}/${PN}-1.3.0-update-createdir.patch"

	# Clean compile with all OpenAL versions
	epatch "${FILESDIR}/${PN}-1.3.0-openal.patch"

	# Allow shaders to actually work
	epatch "${FILESDIR}/${P}-shader.patch"

	# Build for amd64
	use amd64 && OPTIONS="${OPTIONS} -DX86_64"

	# Use these experimental options - I like them :)
	OPTIONS="${OPTIONS} -DCUSTOM_LOOK"

	# Requires a patch to use correct dir
	OPTIONS="${OPTIONS} -DUSE_SHADER"

	# Add debugging options
	if use debug ; then
		OPTIONS="${OPTIONS} -DMEMORY_DEBUG"
		append-flags -ggdb
	fi

	sed \
		-e "s@CFLAGS=\$(PLATFORM) \$(CWARN) -O -ggdb -pipe@CFLAGS=${CFLAGS} @g"\
		-e "s@CXXFLAGS=\$(PLATFORM) \$(CXXWARN) -O -ggdb -pipe@CXXFLAGS=${CXXFLAGS} @g"\
		-e "s@OPTIONS=@${OPTIONS} @g" \
		-e 's/lopenal/lopenal -l alut/' \
		Makefile.linux > Makefile \
		|| die "sed failed"
	sed -i \
		-e 's/#browser/browser/g' \
		-e "s/browser = mozilla/#browser = ${BROWSER}/g" \
		-e "s@#data_dir = /usr/local/games/el/@#data_dir = ${GAMES_DATADIR}/${PN}/@g" \
		el.ini || die "sed failed"

	# Framebuffer support is way buggy - remove it
	sed -i -e '/OPTIONS=/ s/-DUSE_FRAMEBUFFER//' Makefile || die "sed failed"

	# Support BSD in the Linux makefile - it's easier
	use kernel_linux || sed -i -e 's/^CFLAGS=.*/& -DBSD/' Makefile || die "sed failed"

	# Gah
	sed -i -e 's/CXX=g++/CXX=gcc/' Makefile || die "sed failed"

	# Finally, update the server
	sed -i -e '/#server_address =/ s/.*/#server_address = game.eternal-lands.com/' \
		el.ini || die "sed failed"
}

src_compile() {
	emake || die "make failed"
	if use doc; then
		emake docs || die "Failed to create documentation, try with USE=-doc"
		mv ./docs/html/ ../client || die "Failed to move documentation directory"
	fi
}

src_install() {
	newgamesbin el.x86.linux.bin el || die "newgamesbin failed"
	doicon "${DISTDIR}/eternal-lands.png"
	make_desktop_entry el "Eternal Lands"

	insopts -m 0660
	insinto "${GAMES_DATADIR}/${PN}"
	doins -r *.ini *.txt commands.lst shader || die "doins failed"

	if use doc ; then
		dohtml -r client/*
	fi

	prepgamesdirs
}

pkg_postinst() {
	einfo "Auto Update is now enabled in Eternal Lands"
	ewarn "If an update occurs then the client will suddenly exit"
	einfo "Updates only happen when the game first loads"
	einfo "Please don't report this behaviour as a bug"

	# Ensure that the files are writable by the game group for auto
	# updating.
	chmod -R g+rw "${ROOT}/${GAMES_DATADIR}/${PN}"

	# Make sure new files stay in games group
	find "${ROOT}/${GAMES_DATADIR}/${PN}" -type d -exec chmod g+sx {} \;
}