# By eroen, 2012-2013
# Distributed under the terms of the ISC licence
# $Header: $

EAPI=5
inherit base eutils versionator multilib git-2 cmake-utils games

if [[ ${PV} == 9999 ]]; then
	MY_PV="0.34.11-r3"
else
	MY_PV="$(replace_version_separator 3 '-r' \
		$(get_version_component_range -4))"
fi
MY_P=${PN}-${MY_PV}
df_PV="34.11"

DESCRIPTION="Memory hacking library for Dwarf Fortress and a set of tools that
use it"
HOMEPAGE="https://github.com/peterix/dfhack"
EGIT_REPO_URI="git://github.com/peterix/dfhack.git"
EGIT_HAS_SUBMODULES=yes

if [[ ${PV} == 9999 ]]; then
	KEYWORDS=
else
	if [[ $(get_version_component_count) -le 4 ]]; then
		EGIT_COMMIT=${MY_PV}
	else
		EGIT_COMMIT=18a91ef221f531307ac5ddbe29532a3d6e0a04ec
	fi
	KEYWORDS="~amd64"
fi

CMAKE_MIN_VERSION=2.8.9
CMAKE_REMOVE_MODULES_LIST="FindCurses FindDoxygen CMakeVS10FindMake"

LICENSE="ZLIB MIT BSD-2"
SLOT="0"
IUSE="api dfusion doc egg isoworld minimal ssense"

HDEPEND="
	dev-perl/XML-LibXML
	dev-perl/XML-LibXSLT
	doc? ( app-doc/doxygen )"
LIBRARY_DEPEND="
	sys-libs/zlib[abi_x86_32]
	ssense? ( media-libs/fontconfig[abi_x86_32]
		app-emulation/emul-linux-x86-baselibs[development]
		media-libs/freetype[abi_x86_32]
		x11-libs/libICE[abi_x86_32]
		x11-libs/libSM[abi_x86_32]
		x11-libs/libX11[abi_x86_32]
		x11-libs/libXcursor[abi_x86_32]
		x11-libs/libXext[abi_x86_32]
		x11-libs/libXinerama[abi_x86_32]
		x11-libs/libXrandr[abi_x86_32] )"
DEPEND="${LIBRARY_DEPEND}
	${HDEPEND}"
RDEPEND="${LIBRARY_DEPEND}
	games-simulation/dwarffortress
	ssense? ( app-emulation/emul-linux-x86-opengl
		app-emulation/emul-linux-x86-xlibs )"

## missing multilib
#dev-lang/lua - binary bundled
#dev-libs/protobuf - bundled
#   sys-libs/zlib (libz.so.1) - baselibs
## ssense
#allegro - binary bundled
#	dev-libs/atk (libatk-1.0.so.0) - gtklibs
#	dev-libs/glib (libgthread-2.0.so.0,libglib-2.0.so.0,libgobject-2.0.so.0,libgmodule-2.0.so.0,libgio-2.0.so.0) - baselibs
#	media-libs/fontconfig (libfontconfig.so.1)
#	media-libs/freetype (libfreetype.so.6)
#	media-libs/jpeg:62 (libjpeg.so.62) - baselibs
#   virtual/glu (libGLU.so.1) - opengl
#	media-libs/libpng:1.2 (libpng12.so.0) - baselibs
#	virtual/opengl (libGL.so.1)
#	sys-libs/zlib (libz.so.1) - baselibs
#	x11-libs/cairo (libcairo.so.2) - gtklibs
#	x11-libs/gdk-pixbuf (libgdk_pixbuf) - gtklibs
#	x11-libs/gtk+ (libgdk-x11-2.0.so.0,libgtk-x11-2.0.so.0) - gtklibs
#	x11-libs/libICE (libICE.so.6)
#	x11-libs/libSM (libSM.so.6)
#	x11-libs/libX11 (libX11.so.6)
#	x11-libs/libXcursor (libXcursor.so.1)
#	x11-libs/libXext (libXext.so.6)
#	x11-libs/libXinerama (libXinerama.so.1)
#	x11-libs/libXrandr (libXrandr.so.2)
#	x11-libs/pango (libpangocairo-1.0.so.0,libpango-1.0.so.0,libpangoft2-1.0.so.0) - gtklibs

multilib_toolchain_setup x86
if use egg; then
	dfhack_libdir="$(games_get_libdir)"
else
	dfhack_libdir="$(games_get_libdir)/${P}"
fi
QA_PREBUILT+="${dfhack_libdir}"/libruby.so

pkg_setup() {
	df_executable="df-${df_PV}"
	dfhack_datadir="${GAMES_DATADIR}/${P}"
	dfhack_docdir="/usr/share/doc/${P}"
	dfhack_statedir="${GAMES_STATEDIR}/${P}"
}

src_unpack() {
	git-2_src_unpack
	# git-2 doesn't do submodules properly
	pushd "${EGIT_SOURCEDIR}" || die > /dev/null
	git submodule update || die "could not update git submodules"
	popd || die > /dev/null
}

src_prepare() {
	epatch "${FILESDIR}"/${P}/01-compile-static-libraries-as.patch
	epatch "${FILESDIR}"/${P}/02-drop-strange-build-options.patch
	epatch "${FILESDIR}"/${P}/03-configurable-install-paths.patch
	epatch "${FILESDIR}"/${P}/04-compile-time-configurable.patch
	epatch "${FILESDIR}"/${P}/05-compile-time-configurable-0.patch
	epatch "${FILESDIR}"/${P}/06-compile-time-configurable-1.patch
	epatch "${FILESDIR}"/${P}/07-startup-scripts-configurable.patch
	epatch "${FILESDIR}"/${P}/08-ruby-plugin-configurable-paths.patch
	epatch "${FILESDIR}"/${P}/09-eggy-remove-annoying-banner.patch

	pushd "${S}"/depends/clsocket
	epatch "${FILESDIR}"/clsocket/0001-Compile-static-library-as-PIC.patch
	popd

	if use ssense; then
		pushd "${S}"/plugins/stonesense
		epatch "${FILESDIR}"/stonesense-${PV}/01-null-isn-t-an-int32.patch
		epatch "${FILESDIR}"/stonesense-${PV}/02-configurable-install-paths.patch
		epatch "${FILESDIR}"/stonesense-${PV}/03-don-t-segfault-if-logfile-is.patch
		epatch "${FILESDIR}"/stonesense-${PV}/04-compile-time-configuration-of.patch
		epatch "${FILESDIR}"/stonesense-${PV}/05-compile-time-configurable-log.patch
		epatch "${FILESDIR}"/stonesense-${PV}/06-fix-b0rked-xml-file.patch
		epatch "${FILESDIR}"/stonesense-${PV}/07-compile-time-configurable-dump.patch
		epatch "${FILESDIR}"/stonesense-${PV}/08-compile-time-configurable.patch
		# Patches that no longer fit upstream, not updated yet.
		#epatch "${FILESDIR}"/stonesense/0003-screenshots-in-home-dir.patch
		popd
	fi
	if use isoworld; then
		pushd "${S}"/plugins/isoworld
		epatch "${FILESDIR}"/isoworld-${PV}/01-missing-include-dir.patch
		popd
		ewarn "The isoworld plugin requires agui, and will probably fail to build"
	fi

	# Fix other scripts
#	if use dfusion; then
#	sed -f - -i plugins/Dfusion/luafiles/{init.lua,friendship/{init.lua,plugin.lua,install.lua},triggers/{plugin.lua,functions_menu.lua},friendship_civ/init.lua,common.lua,embark/{init.lua,plugin.lua},migrants/{init.lua,plugin.lua},xml_struct.lua,xml_types.lua} <<- EOF || die
#		s:("dfusion/:("${datadir}/dfusion/:
#		s:('dfusion/:('${datadir}/dfusion/:
#		EOF
#		sed -i "s:libs/Dwarf_Fortress:Dwarf_Fortress:" plugins/Dfusion/luafiles/common.lua
#	fi

	##Issues:
	# - df version
	# - dfusion is strange. It's always been that, though.
	# - prebuilt ruby
	# - prebuilt lua
	# - isoworld requires agui
	# - prebuilt allegro for stonesense.
	# - stonesense conf file: /usr/share/games/dfhack-9999/stonesense/init.txt
	# Set in ./Config.cpp, installed together with the rest of the directory.
	# - output files
	# - - Make symlinks to (unversioned) /var
}

src_configure() {
	mycmakeargs=(
		"$(cmake-utils_use api BUILD_DEVEL)"
		"$(cmake-utils_use dfusion BUILD_DFUSION)"
		"$(cmake-utils_use doc BUILD_DOXYGEN)"
		"$(cmake-utils_use egg BUILD_EGGY)"
		"$(cmake-utils_use isoworld BUILD_ISOWORLD)"
		"-DBUILD_LIBRARY=ON"
		"-DBUILD_PLUGINS=ON"
		"-DBUILD_RUBY=ON"
		"-DBUILD_SKELETON=OFF"
		"$(cmake-utils_use ssense BUILD_STONESENSE)"
		"-DCMAKE_INSTALL_PREFIX=${GAMES_DATADIR}"
		"-DCONSOLE_NO_CATCH=OFF"
		"-DDL_RUBY=ON"

		"-DDF_EXECUTABLE=${df_executable}"
		"-DDFHACK_STATEDIR=${GAMES_STATEDIR}/${P}"
		"-DDFHACK_BINARY_DESTINATION=${GAMES_BINDIR}"
		"-DDFHACK_LIBRARY_DESTINATION=${dfhack_libdir}"
		"-DDFHACK_EGGY_DESTINATION=${dfhack_libdir}"
		"-DDFHACK_DATA_DESTINATION=${dfhack_datadir}"
		"-DDFHACK_PLUGIN_DESTINATION=${dfhack_datadir}/plugins"
		"-DDFHACK_LUA_DESTINATION=${dfhack_datadir}/lua"
		"-DDFHACK_RUBY_DESTINATION=${dfhack_datadir}/ruby"
		"-DDFHACK_INCLUDES_DESTINATION=/usr/games/include"
		"-DDFHACK_DEVLIB_DESTINATION=${dfhack_datadir}/devlib"
		"-DDFHACK_USERDOC_DESTINATION=${dfhack_docdir}"
		"-DDFHACK_DEVDOC_DESTINATION=${dfhack_docdir}/dev"
		"-DSSENSE_ALLEGRO_DESTINATION=${dfhack_libdir}"
		"-DSSENSE_RES_DESTINATION=${dfhack_datadir}/stonesense"
		"-DSSENSE_DOC_DESTINATION=${dfhack_docdir}/stonesense"
		)
	if use minimal; then
		mycmakeargs+=(
			"-DBUILD_DEV_PLUGINS=OFF"
			"-DBUILD_DWARFEXPORT=OFF"
			"-DBUILD_MAPEXPORT=OFF"
			"-DBUILD_SUPPORTED=OFF"
			)
	else
		mycmakeargs+=(
			"-DBUILD_DEV_PLUGINS=ON"
			"-DBUILD_DWARFEXPORT=ON"
			"-DBUILD_MAPEXPORT=ON"
			"-DBUILD_SUPPORTED=ON"
			)
	fi

	cmake-utils_src_configure
}

src_compile() {
	cmake-utils_src_compile
}

src_install() {
	cmake-utils_src_install
	mv "${D}/${GAMES_BINDIR}/dfhack" \
		"${D}/${GAMES_BINDIR}/dfhack-${PV}" || die
	mv "${D}/${GAMES_BINDIR}/dfhack-run" \
		"${D}/${GAMES_BINDIR}/dfhack-run-${PV}" || die
	dodir "${dfhack_statedir}"
	if use ssense; then
		dodir "${GAMES_SYSCONFDIR#/}/${P}/stonesense"
		mv "${D}/${dfhack_datadir#/}/stonesense/init.txt" \
			"${D}/${GAMES_SYSCONFDIR#/}/${P}/stonesense/init.txt" || die
		dosym "${ROOT}${GAMES_SYSCONFDIR#/}/${P}/stonesense/init.txt" \
			"${dfhack_datadir#/}/stonesense/init.txt"
		elog
		elog "The Stonesense configuration file can be found at"
		elog "${GAMES_SYSCONFDIR#/}/${P}/stonesense/init.txt"
	fi
	prepgamesdirs
	fperms g+w "${dfhack_statedir}" || die
	# portage user needs to be able to link:
	( ! use egg || fperms o+rx "$(games_get_libdir)"/libegg.so ) || die
}

pkg_postinst() {
	games_pkg_postinst
	elog
	elog "Due to Dwarf Fortress' special needs regarding working directory,"
	elog "specifying relative paths to DFHack plugins can give unintended"
	elog "results."
	elog
	elog "DFHack installs custom raw files for dwarffortress in"
	elog "${dfhack_datadir}/raw"
	elog "To use them, copy them into your raw folder and apply the diffs."
	elog
	elog "To start DFHack, please run dfhack-${PV}"
}