# Copyright 1999-2008 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

EAPI=2
inherit eutils flag-o-matic multilib wxwidgets

MY_P=${PN}-src-${PV}
DESCRIPTION="Portable 3D Game Development Kit written in C++"
HOMEPAGE="http://crystal.sourceforge.net/"
SRC_URI="mirror://sourceforge/crystal/${MY_P}.tar.bz2"
LICENSE="LGPL-2.1"
SLOT="0"
KEYWORDS=" ~x86 ~amd64"
IUSE="3ds alsa bullet cal3d cairo cegui cg doc debug java lcms libcaca maxoptimization mng ode python sdl +speex static tcmalloc truetype vorbis wxwidgets"
RESTRICT="mirror"

RDEPEND="virtual/opengl
	virtual/glu
	tcmalloc? ( >=dev-util/google-perftools-0.91 )
	cegui? ( >=dev-games/cegui-0.5 )
	ode? ( >=dev-games/ode-0.8 )
	bullet? ( >=sci-physics/bullet-2.69 )
	sdl? ( media-libs/libsdl )
	vorbis? ( >=media-libs/libogg-1.1
						media-libs/libvorbis )
	alsa? ( media-libs/alsa-lib )
	mng? ( >=media-libs/libmng-1.0.9 )
	cg? ( >=media-gfx/nvidia-cg-toolkit-2.0 )
	cal3d? ( =media-libs/cal3d-0.11* )
	libcaca? ( >=media-libs/libcaca-0.99_beta13 )
	wxwidgets? ( =x11-libs/wxGTK-2.8* )
	lcms? ( media-libs/lcms )
	java? ( virtual/jre )
	truetype? ( >=media-libs/freetype-2.1 )
	speex? ( media-libs/speex )
	perl? ( dev-lang/perl )
	cairo? ( x11-libs/cairo
						dev-cpp/cairomm )
	>=media-libs/libpng-1.2
	>=media-libs/jpeg-6b
	>=sys-libs/zlib-1.0

	x11-libs/libXaw
	x11-libs/libXxf86vm

	media-libs/openal
	media-libs/freealut
"

DEPEND="${RDEPEND}
	3ds? ( media-libs/lib3ds )
	dev-util/ftjam
	python? ( dev-lang/swig
						dev-lang/python )"

S="${WORKDIR}/$MY_P"

src_prepare() {
	# Installing doc conflict with dodoc on src_install
	# Removing conflicting target
	sed -i \
		-e "/^InstallDoc/d" \
		Jamfile.in \
		docs/Jamfile \
		|| die "sed failed"
}

src_configure() {
	if useq wxwidgets; then
		WX_GTK_VER=2.8
		need-wxwidgets gtk2
	fi

	my_conf=""
	if use maxoptimization && ! use debug ; then
		my_conf="--enable-cpu-specific-optimizations=maximum"
	else
		my_conf="--enable-cpu-specific-optimizations=no"
	fi

	if use debug; then
		my_conf="${my_conf} --enable-debug"
		CFLAGS=""
		CXXFLAGS=""
		LDFLAGS=""
	else
		my_conf="${my_conf} --enable-separate-debug-info=no"
	fi

	use tcmalloc && append-flags "-DCS_NO_PTMALLOC"
	use tcmalloc && append-ldflags "-lpthread -ltcmalloc"

	econf \
		${my_conf} \
		--with-png \
		--with-jpeg \
		$(use_with speex) \
		$(use_with lcms) \
		$(use_with perl) \
		$(use_with java) \
		$(use_with python) \
		$(use_with cg Cg) \
		$(use_with cal3d) \
		$(use_with wxwidgets wx) \
		$(use_with libcaca caca) \
		$(use_with bullet) \
		$(use_with mng) \
		$(use_with vorbis) \
		$(use_with 3ds) \
		$(use_with ode) \
		$(use_with sdl) \
		$(use_with cegui CEGUI) \
		$(use_with truetype freetype2) \
		$(use_with alsa asound) \
		$(use_with cairo) \
		$(use_with cairo cairomm)

	# Configure don't find correct bullet paths
	if use bullet && ! `grep -i '^bullet' Jamconfig`; then
		echo "BULLET.AVAILABLE ?= yes ;" >> Jamconfig
		echo "BULLET.LDFLAGS ?= `pkg-config --libs bullet` ;" >> Jamconfig
	fi

	#remove unwanted CFLAGS added by ./configure
	if ! use debug ; then
		if use maxoptimization ; then
			sed -e 's!-O[s012]!-O3!g' -i Jamconfig
			sed -e 's!COMPILER.CFLAGS += "-march=.*!!' -i Jamconfig
		else
			sed -e '/COMPILER\.CFLAGS\.optimize/d' -i Jamconfig
		fi
	fi
}
src_compile() {
	jam -q ${MAKEOPTS} || die "compile failed"

	if use static ; then
		jam -q ${MAKEOPTS} staticplugins || die "compile staticplugins failed"
	fi
}

src_install() {
	for installTarget in install_bin install_plugin install_lib \
		install_include install_data install_config
	do
		jam -q -s DESTDIR="${D}" ${installTarget} \
			|| die "jam ${installTarget} failed"
	done

	if use static ; then
		sed -i -e 's!Depends install_staticplugins : install_libs ;!!' \
			mk/jam/static.jam

		jam -q -s DESTDIR="${D}" install_staticplugins || die "make install_static_plugins failed"
		dosym libcrystalspace_staticplugins-1.4.a /usr/$(get_libdir)/libcrystalspace_staticplugins.a
	else
		PWD="`pwd`"
		cd "${D}/usr/$(get_libdir)"
  	dosym libcrystalspace-1.4.so libcrystalspace.so
  	dosym libcrystalspace_opengl-1.4.so libcrystalspace_opengl.so
		cd "$PWD"
	fi

	if use doc; then
		jam -q -s DESTDIR="${D}" install_doc || die "jam install_doc failed"
	fi

	dodoc README docs/history* docs/todo_*

	if [[ ! -e cs-config ]]; then
		dosym /usr/bin/cs-config-1.4 /usr/bin/cs-config
	fi

	echo "CRYSTAL_PLUGIN=/usr/$(get_libdir)/${P}" > 90crystalspace
	echo "CRYSTAL_CONFIG=/etc/${P}" >> 90crystalspace
	doenvd "${T}"/90crystalspace
}

pkg_postinst() {
	elog "Examples coming with this package, need correct light calculation"
	elog "Do the following commands, with the root account, to fix that:"
	# Fill cache directory for the examples
	local dir
	for dir in castle flarge isomap parallaxtest partsys r3dtest stenciltest \
		terrain terrainf;
	do
		elog "cslight -video=null /usr/share/${P}/data/maps/${dir}"
	done
}