# Copyright 1999-2023 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

inherit desktop flag-o-matic toolchain-funcs xdg-utils

DESCRIPTION="Hollywood tactical shooter based on the ioquake3 engine"
HOMEPAGE="https://urbanterror.info https://github.com/mickael9/ioq3"

if [[ ${PV} == *9999 ]]; then
	inherit git-r3
	EGIT_REPO_URI="https://github.com/mickael9/ioq3.git"
	EGIT_BRANCH="urt"
else
	COMMIT_ID="c988f7669bd70b59beb384563d4c8304062ae011"
	SRC_URI="https://github.com/mickael9/ioq3/archive/${COMMIT_ID}.tar.gz -> ${P}.tar.gz"
	S="${WORKDIR}/ioq3-${COMMIT_ID}"
	KEYWORDS="~amd64 ~x86"
fi

LICENSE="GPL-2"
SLOT="0"
IUSE="+altgamma +client +curl debug mumble openal +opus server +skeetshootmod voip vorbis"
REQUIRED_USE="
	|| ( client server )
	voip? ( opus )
"

DOCS=( ChangeLog README.md README.ioq3.md md4-readme.txt )

PATCHES=(
	"${FILESDIR}"/${PN}-4.3.4_p20211208-respect-flags.patch
)

RDEPEND="
	client? (
		media-libs/libsdl2[X,sound,joystick,opengl,video]
		mumble? ( net-voip/mumble:= )
		openal? ( media-libs/openal:= )
		opus? ( media-libs/opusfile )
		vorbis? ( media-libs/libvorbis )
	)
	curl? ( net-misc/curl )
	~games-fps/urbanterror-data-4.3.4
	sys-libs/zlib:=[minizip]
	virtual/jpeg:0
	x11-libs/libX11
	x11-libs/libXxf86vm
"

DEPEND="${RDEPEND}"

pkg_pretend() {
	if use client; then
		if ! use openal && ! use opus && ! use vorbis; then
			ewarn
			ewarn "No sound implementation selected. Enable 'openal', 'opus' or 'vorbis' USE flag to get sound!"
		fi
	fi
}

src_configure() {
	tc-export CC
	default
}

src_compile() {
	# Workaround for used zlib macro, which got renamed in Gentoo
	# wrt bug #449510
	has_version "<sys-libs/zlib-1.3" && append-cppflags "-DOF=_Z_OF"

	local myemakeargs=(
		ARCH=$(usex amd64 "x86_64" "i686" )
		DEFAULT_BASEDIR="/usr/share/urbanterror"
		BUILD_CLIENT=$(usex "client" 1 0)
		BUILD_SERVER=$(usex "server" 1 0)
		BUILD_BASEGAME=1
		BUILD_MISSIONPACK=0
		BUILD_GAME_SO=0
		BUILD_GAME_QVM=0
		BUILD_STANDALONE=1
		SERVERBIN="Quake3-UrT-Ded"
		CLIENTBIN="Quake3-UrT"
		USE_RENDERER_DLOPEN=0
		USE_YACC=0
		BASEGAME="q3ut4"
		BASEGAME_CFLAGS="${CFLAGS}"
		USE_OPENAL=$(usex "openal" 1 0)
		USE_OPENAL_DLOPEN=$(usex "openal" 1 0)
		USE_CURL=$(usex "curl" 1 0)
		USE_CURL_DLOPEN=$(usex "curl" 1 0)
		USE_CODEC_VORBIS=$(usex "vorbis" 1 0)
		USE_CODEC_OPUS=$(usex "opus" 1 0)
		USE_MUMBLE=$(usex "mumble" 1 0)
		USE_SKEETMOD=$(usex "skeetshootmod" 1 0)
		USE_VOIP=$(usex "mumble" 1 0)
		USE_INTERNAL_LIBS=0
		USE_LOCAL_HEADERS=0
		USE_ALTGAMMA=$(usex "altgamma" 1 0)
		$(usex "debug" "debug" "release")
	)
	emake "${myemakeargs[@]}"
}

src_install() {
	local myarch=$(usex amd64 "x86_64" "i386")
	local myreleasetype=$(usex debug "debug" "release")

	if use client; then
		newbin build/${myreleasetype}-linux-${myarch}/Quake3-UrT.${myarch} ${PN}
		# Shooter as defined in https://specifications.freedesktop.org/menu-spec/latest/apas02.html
		make_desktop_entry ${PN} "UrbanTerror" ${PN}
	fi

	if use server && ! use client; then
		# dedicated server only
		newbin build/${myreleasetype}-linux-${myarch}/Quake3-UrT-Ded.${myarch} ${PN}-ded
	fi

	einstalldocs
}

pkg_postinst() {
	use client && xdg_desktop_database_update

	if [[ -z "${REPLACING_VERSIONS}" ]]; then
		# ^this is a new installation, so:
		if use openal; then
			elog ""
			elog "You might need to set:"
			elog "  seta s_useopenal \"1\""
			elog "in your ~/.q3a/q3ut4/q3config.cfg for openal to work."
		fi

		if use altgamma; then
			elog ""
			elog "You might need to set:"
			elog "  seta r_altgamma \"1\""
			elog "in your ~/.q3a/q3ut4/q3config.cfg for altgamma to work."
			elog "Be aware that altgamme works on a global scale, so external"
			elog "applications like redshift can cause trouble. Disabling"
			elog "these while playing is a usable workaround."
		fi

		if ! use altgamma; then
			elog ""
			elog "If you are using a modesetting graphics driver you might"
			elog "consider setting USE=\"altgamma\"."
			elog "For details take a look at:"
			elog "https://bugs.freedesktop.org/show_bug.cgi?id=27222"
		fi

		if ! use client; then
			elog ""
			elog "You disabled client support. You won't be able to connect"
			elog "to any servers and play. If you want to do so, enable"
			elog "USE=\"client\"."
		fi

		if use skeetshootmod; then
			elog ""
			elog "You might need to set:"
			elog "  seta sv_skeetshoot \"1\""
			elog "in your ~/.q3a/q3ut4/q3config.cfg to use the skeetshoot mod."
		fi
	fi
}

pkg_postrm() {
	use client && xdg_desktop_database_update
}