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# Copyright 1999-2019 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

EAPI=7
PYTHON_COMPAT=( python2_7 )

inherit eutils python-any-r1 scons-utils flag-o-matic llvm desktop

DESCRIPTION="Multi-platform 2D and 3D game engine"
HOMEPAGE="http://godotengine.org"
LICENSE="MIT"
SLOT="0"

SRC_URI="https://github.com/godotengine/${PN}/archive/${PV}-stable.zip"
S="${WORKDIR}/${P}-stable"
KEYWORDS="~amd64 ~x86"

IUSE="debug
	+enet
	+freetype
	llvm
	lto
	+mbedtls
	+opus
	pulseaudio
	theora
	+udev
	+vorbis
	+webp
	+websockets"

DEPEND="
		>=app-arch/bzip2-1.0.6-r6
		>=app-arch/lz4-0_p120
		>=app-arch/xz-utils-5.0.8
		>=dev-libs/json-c-0.11-r1
		dev-libs/libpcre2[pcre32]
		>=media-libs/alsa-lib-1.0.28
		>=media-libs/flac-1.3.1-r1
		>=media-libs/libogg-1.3.1
		>=media-libs/libsndfile-1.0.25-r1
		media-libs/libvpx
		>=media-libs/mesa-10.2.8[gles2]
		webp? ( media-libs/libwebp )
		opus? ( media-libs/opus )
		enet? ( net-libs/enet )
		>=net-libs/libasyncns-0.8-r3
		websockets? ( net-libs/libwebsockets )
		mbedtls? ( net-libs/mbedtls )
		net-libs/miniupnpc
		>=sys-apps/attr-2.4.47-r1
		>=sys-apps/tcp-wrappers-7.6.22-r1
		>=sys-apps/util-linux-2.25.2-r2
		!llvm? ( >=sys-devel/gcc-4.6.4:*[cxx] )
		>=sys-libs/gdbm-1.11
		>=sys-libs/glibc-2.20-r2
		>=sys-libs/libcap-2.22-r2
		>=sys-libs/zlib-1.2.8-r1
		>=x11-libs/libX11-1.6.2
		>=x11-libs/libXcursor-1.1.14
		>=x11-libs/libXinerama-1.1.3
		freetype? ( >=media-libs/freetype-2.5.3-r1:2 )
		llvm? ( >=sys-devel/llvm-3.6.0 )
		>=media-libs/libpng-1.6.16:0=
		pulseaudio? ( >=media-sound/pulseaudio-5.0-r7 )
		theora? ( media-libs/libtheora )
		udev? ( virtual/udev )
		virtual/glu
		vorbis? ( >=media-libs/libvorbis-1.3.4 )"

RDEPEND="${DEPEND}"

pkg_setup() {
	python-any-r1_pkg_setup
	llvm_pkg_setup
}

src_configure() {
	if use llvm && ! tc-is-clang; then
		einfo "Enforcing the use of clang due to USE=llvm ..."
		CC=${CHOST}-clang
		CXX=${CHOST}-clang++
	fi

	strip-unsupported-flags

	MYSCONS=(
		CC="$(tc-getCC)"
		builtin_enet=$(usex enet)
		builtin_freetype=no
		builtin_libogg=no
		builtin_libpng=no
		builtin_libpng=no
		builtin_libtheora=$(usex theora)
		builtin_libvorbis=$(usex vorbis)
		builtin_libvpx=no
		builtin_libwebp=$(usex webp)
		builtin_libwebsockets=$(usex websockets)
		builtin_mbedtls=$(usex mbedtls)
		builtin_miniupnpc=no
		builtin_opus=$(usex opus)
		builtin_pcre2=no
		builtin_zlib=no
		#builtin_zstd=no # Compilation error due to undeclared identifiers
		module_enet_enabled=$(usex enet)
		module_freetype_enabled=$(usex freetype)
		module_mbedtls_enabled=$(usex mbedtls)
		module_opus_enabled=$(usex opus)
		module_theora_enabled=$(usex theora)
		module_vorbis_enabled=$(usex vorbis)
		module_webp_enabled=$(usex webp)
		module_websocket_enabled=$(usex websockets)
		platform=x11
		pulseaudio=$(usex pulseaudio)
		tools=yes
		progress=false
		verbose=true
		udev=$(usex udev)
		use_llvm=$(usex llvm)
		use_lto=$(usex lto)
		target=$(usex debug debug release_debug)
	)
}

src_compile() {
	escons "${MYSCONS[@]}"
}

src_install() {
	newicon icon.svg ${PN}.svg
	dobin bin/godot.*
	if [[ "${ARCH}" == "amd64" ]]; then
		if use llvm; then
			make_desktop_entry godot.x11.tools.64.llvm Godot
			with_desktop_entry=1
		else
			make_desktop_entry godot.x11.tools.64 Godot
			with_desktop_entry=1
		fi
	fi

	if [[ "${ARCH}" == "x86" ]]; then
		if use llvm; then
			make_desktop_entry godot.x11.tools.32.llvm Godot
			with_desktop_entry=1
		else
			make_desktop_entry godot.x11.tools.32 Godot
			with_desktop_entry=1
		fi
	fi

	if ! [[ "${with_desktop_entry}" == "1" ]]; then
		elog "Couldn't detect running architecture to create a desktop file."
	fi
}