# Copyright 1999-2010 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $
# Derived from bug 65084

inherit flag-o-matic eutils games
[ "$PV" == "9999" ] && inherit subversion

ESVN_REPO_URI="https://vegastrike.svn.sourceforge.net/svnroot/vegastrike/trunk"
ESVN_PROJECT="vegastrike"
ESVN_BOOTSTRAP="vegastrike/bootstrap-sh"

DESCRIPTION="A 3D space simulator that allows you to trade and bounty hunt"
HOMEPAGE="http://vegastrike.sourceforge.net/"
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64 ~ppc ~x86"
# FIXME: check configure options
IUSE="gtk no-sound debug"

# FIXME: check dependencies
RDEPEND="
	virtual/opengl
	media-libs/jpeg
	media-libs/libpng
	dev-libs/expat
	media-libs/openal
	media-libs/libsdl
	!no-sound? ( media-libs/libvorbis
				 media-libs/libogg
				 media-libs/sdl-mixer )
	virtual/glut
	virtual/glu
	gtk? ( x11-libs/gtk+ )
	games-simulation/vegastrike-data"
DEPEND="${RDEPEND}
	>=sys-devel/autoconf-2.58"

S="${WORKDIR}"

pkg_setup() {
	games_pkg_setup
	if ! use gtk; then
		ewarn "Without USE=gtk vssetup will not be built."
		ewarn "You will have to manually edit ~/.vegastrike/vegastrike.config."
	fi

	# FIXME: is this still a problem?
	einfo "If compiling fails for you on gl_globals.h, try to replace your"
	einfo "glext.h (usually found in /usr/include/GL/ with this one"
	einfo "http://oss.sgi.com/projects/ogl-sample/ABI/glext.h"
	einfo "remember to make backup of the original though"
}

src_unpack() {
	cd "${S}"
	local svn=${ESVN_TOP_DIR}

	if [ ! -d "${svn}/vegastrike" ]; then
		ESVN_MODULE="vegastrike"
		ESVN_MODULE_DIR="${ESVN_REPO_URI}/${ESVN_MODULE}"
		subversion_fetch $ESVN_MODULE_DIR $ESVN_MODULE || die "Fetching vegastrike failed"
	fi

	einfo "Copying source to work directory..."
	cp -a "${svn}"/{vegastrike,vssetup} "${S}" >&/dev/null

	# Sort out directory references
	cd "${S}/${PN}"
	sed -i \
		-e "s!/usr/games/vegastrike!${GAMES_DATADIR}/${PN}!" \
		-e "s!/usr/local/bin!${GAMES_BINDIR}!" \
		launcher/saveinterface.cpp \
		|| die "sed launcher/saveinterface.cpp failed"
	sed -i \
		-e '/^SUBDIRS =/s:tools::' \
		Makefile.am \
		|| die "sed Makefile.am failed"

	#	vssetup doesn't find "readme.txt"
	sed -i \
	"s!\"readme.txt\"! \"${GAMES_DATADIR}/${PN}/data/documentation/readme.txt\"!" \
		setup/src/include/display_gtk.cpp \
		|| die "sed setup/src/include/display_gtk.cpp failed"

	#	FIXME: is this still a problem?
	# is not possible here to use built in function subversion_bootstrap: it
	# won't work as expected: ./bootstrap isn't in main compile dir
	./bootstrap-sh
}

src_compile() {
	cd "${S}"/vegastrike
	local conf_opts="${conf_opts} --disable-dependency-tracking"

	# DATA_DIR
	conf_opts="${conf_opts} --with-data-dir=${GAMES_DATADIR}/${PN}/data"

	if use debug; then
		conf_opts="${conf_opts} --enable-debug"
	else
		#	FIXME: This actually enables -O2.
		# -O3 appears to make problems in some cases.
		# Might not be a great idea to mix with user -O flags.
		conf_opts="${conf_opts} --enable-release=2"
	fi

	if ! use gtk; then
		conf_opts="${conf_opts} --disable-gtk"
	fi

	CONFIGURE_OPTIONS="
		$(use_enable !no-sound sound)
		${conf_opts}"

	egamesconf $CONFIGURE_OPTIONS \
	    || die "egamesconf failed"

	#	FIXME: Is this still a problem?
	#	FIXME: CXXFLAGS can be supplied in a better way.
	# it causes corruptions
	filter-flags -ffast-math
#	# Let's optimize, removing also broken -ffast-math
	sed -i -e "s:-ffast-math:${CXXFLAGS}:g" Makefile \
	    || die "sed of CXXFLAGS failed"

	emake || die "emake failed"
}

src_install() {
	cat << EOF > vsinstall
#!/bin/sh
(
mkdir \${HOME}/.vegastrike 2> /dev/null
cd \${HOME}/.vegastrike
cp "${GAMES_DATADIR}"/vegastrike/data/setup.config .
cp -r "${GAMES_DATADIR}"/vegastrike/data/.vegastrike/* .
cp "${GAMES_DATADIR}"/vegastrike/data/vegastrike.config .
vssetup
)
echo "If you wish to have your own music edit ~/.vegastrike/*.m3u"
echo "Each playlist represents a place or situation in Vega Strike"
exit 0
EOF

	dogamesbin vegastrike/vegastrike \
		|| die "Creation of vegastrike (the binary) failed"
	dogamesbin vsinstall \
		|| die "Creation of vsinstall failed"
	dogamesbin vegastrike/vegaserver \
		|| die "Creation of vegaserver failed"
	dogamesbin vegastrike/mesher \
		|| die "Creation of mesher failed"

	if use gtk; then
		newgamesbin vegastrike/vssetup vssetup || die "newgamesbin failed"
	fi

	make_desktop_entry "vegastrike" "Vegastrike" "${GAMES_DATADIR}/${PN}/data/vegastrike.xpm"

	prepgamesdirs
}

pkg_postinst() {
	games_pkg_postinst
	einfo "First run vsinstall to install your account into ~/.vegastrike,"
	if use gtk; then
		einfo "then run vssetup to configure Vega Strike."
	else
		einfo "then edit ~/.vegastrike/vegastrike.config."
	fi
	einfo "Run vegastrike to start Vega Strike;"
	einfo "To start Vega Strike Server run vegaserver."
}