# Copyright 1999-2013 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $
EAPI="5"

inherit eutils games mercurial

DESCRIPTION="cross-platform plugin-based N64 emulator"
HOMEPAGE="http://code.google.com/p/mupen64plus/"
SRC_URI=""
LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~amd64 ~x86"

MUPEN64_CORE_BASE_URI="https://bitbucket.org/richard42"
MUPEN64_CORE_MODULES="mupen64plus-core mupen64plus-ui-console mupen64plus-audio-sdl mupen64plus-input-sdl mupen64plus-rsp-hle mupen64plus-video-rice"

MUPEN64_PLUGINS_BASE_URI="https://bitbucket.org/wahrhaft"
# add USE_EXPAND="MUPEN64_PLUGINS_RSP MUPEN64_PLUGINS_VIDEO" to your make.conf for proper
# display of use flags
MUPEN64_PLUGINS_RSP="z64"
MUPEN64_PLUGINS_VIDEO="arachnoid glide64 z64"

IUSE="debug libsamplerate lirc pic profile sse"

for plugin in $MUPEN64_PLUGINS_RSP; do
	IUSE="${IUSE} mupen64_plugins_rsp_${plugin}"
done

for plugin in $MUPEN64_PLUGINS_VIDEO; do
	IUSE="${IUSE} mupen64_plugins_video_${plugin}"
done

RDEPEND="virtual/opengl
	media-libs/freetype:2
	media-libs/libpng
	media-libs/libsdl
	|| ( <sys-libs/zlib-1.2.5.1-r1 >=sys-libs/zlib-1.2.5.1-r2[minizip] )
	libsamplerate? ( media-libs/libsamplerate )
	lirc? ( app-misc/lirc )
	mupen64_plugins_video_glide64? ( media-libs/glew )"

DEPEND="${RDEPEND}
	dev-util/pkgconfig"

# Otherwise we have to create $WORKDIR/$P manually before calling mercurial_fetch.
S="${WORKDIR}"

src_unpack() {
	# Fetch source from all repos
	for REPO in ${MUPEN64_CORE_MODULES[@]}; do
		mercurial_fetch "${MUPEN64_CORE_BASE_URI}/${REPO}" "${REPO}" "${S}/${REPO}"
	done

	# Fetch source for plugins
	for plugin in ${MUPEN64_PLUGINS_RSP}; do
		if use mupen64_plugins_rsp_${plugin}; then
			local module="mupen64plus-rsp-${plugin}"
			mercurial_fetch "${MUPEN64_PLUGINS_BASE_URI}/${module}" "${module}" "${S}/${module}"
		fi
	done
	for plugin in ${MUPEN64_PLUGINS_VIDEO}; do
		if use mupen64_plugins_video_${plugin}; then
			local module="mupen64plus-video-${plugin}"
			mercurial_fetch "${MUPEN64_PLUGINS_BASE_URI}/${module}" "${module}" "${S}/${module}"
		fi
	done
}

src_compile() {
	# Note: Variables cannot be quoted or ui-console will not build
	OPTS="PREFIX=${GAMES_PREFIX} LIBDIR=$(games_get_libdir)/${PN} SHAREDIR=${GAMES_DATADIR}/${PN} DESTDIR=${D} COREDIR=$(games_get_libdir)/${PN}/ PLUGINDIR=$(games_get_libdir)/${PN}/plugins MANDIR=/usr/share/man"

	# Disable (some of) the built-in CFLAGS. By default these include -flto.
	# If gcc has not been compiled with USE=lto, mupen64+ will fail to compile.
	# LTO can still be enabled if the user adds -flto to thier CFLAGS.
	OPTS+=" OPTFLAGS="

	use debug && OPTS+=" DEBUG=1 DEBUGGER=1 PLUGINDBG=1"
	use libsamplerate || OPTS+=" NO_RESAMP=1"
	use lirc && OPTS+=" LIRC=1"
	use pic && OPTS+=" PIC=1"
	use profile && OPTS+=" PROFILE=1"
	use sse || OPTS+=" NO_ASM=1"

	# Build all modules
	for REPO in ${MUPEN64_CORE_MODULES[@]}; do
		einfo "\nBuilding ${REPO}..."
		emake -C "${REPO}/projects/unix" all $OPTS || die "make ${REPO} failed"
	done

	# Build all plugins
	for plugin in ${MUPEN64_PLUGINS_RSP}; do
		if use mupen64_plugins_rsp_${plugin}; then
			local module="mupen64plus-rsp-${plugin}"
			einfo "\nBuilding ${module}..."
			emake -C "${module}/projects/unix" all $OPTS || die "make ${module} failed"
		fi
	done
	for plugin in ${MUPEN64_PLUGINS_VIDEO}; do
		if use mupen64_plugins_video_${plugin}; then
			local module="mupen64plus-video-${plugin}"
			einfo "\nBuilding ${module}..."
			emake -C "${module}/projects/unix" all $OPTS || die "make ${module} failed"
		fi
	done
}

src_install() {
	# Install binary/libraries and documentation
	for REPO in ${MUPEN64_CORE_MODULES[@]}; do
		einfo "\nInstalling ${REPO}..."
		emake -C "${REPO}/projects/unix" install $OPTS || die "install ${REPO} failed"
		[ -f "${module}/RELEASE" ] && newdoc "${module}/RELEASE" "RELEASE.${module}"
		[ -f "${REPO}/README" ] && newdoc "${REPO}/README" "README.${REPO}"
	done

	# Install plugins
	for plugin in ${MUPEN64_PLUGINS_RSP}; do
		if use mupen64_plugins_rsp_${plugin}; then
			local module="mupen64plus-rsp-${plugin}"
			einfo "\nInstalling ${module}..."
			emake -C "${module}/projects/unix" install $OPTS || die "install ${module} failed"
			[ -f "${module}/RELEASE" ] && newdoc "${module}/RELEASE" "RELEASE.${module}"
			[ -f "${module}/README" ] && newdoc "${module}/README" "README.${module}"
		fi
	done
	for plugin in ${MUPEN64_PLUGINS_VIDEO}; do
		if use mupen64_plugins_video_${plugin}; then
			local module="mupen64plus-video-${plugin}"
			einfo "\nInstalling ${module}..."
			emake -C "${module}/projects/unix" install $OPTS || die "install ${module} failed"
			[ -f "${module}/RELEASE" ] && newdoc "${module}/RELEASE" "RELEASE.${module}"
			[ -f "${module}/README" ] && newdoc "${module}/README" "README.${module}"
		fi
	done

	prepgamesdirs
}

pkg_postinst() {
	games_pkg_postinst

	elog "As of 2.0, Mupen64Plus includes only a command line launcher."
	elog "Run 'mupen64plus --help' for options."
	echo
	elog "If you would prefer to use a GUI frontend, see the following for options:"
	elog "http://code.google.com/p/mupen64plus/wiki/ThirdPartyPlugins#Third-Party_Front-end_Applications"

	if use lirc; then
		echo
		elog "For lirc configuration see:"
		elog "http://code.google.com/p/mupen64plus/wiki/LIRC"
	fi
}