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

EAPI=8

inherit autotools optfeature prefix toolchain-funcs xdg

DESCRIPTION="An enhanced version of the game engine from the classic Mac game, Marathon"
HOMEPAGE="https://alephone.lhowon.org/"
if [[ ${PV} = 9999* ]]; then
	inherit git-r3
	EGIT_REPO_URI="https://github.com/Aleph-One-Marathon/alephone/"
	EGIT_SUBMODULES=() # Upstream includes game data as submodules, we only want the engine
else
	SRC_URI="https://github.com/Aleph-One-Marathon/alephone/archive/refs/tags/release-${PV}.tar.gz"
	S="${WORKDIR}/${PN}-release-${PV}"
	KEYWORDS="~amd64"
fi

LICENSE="GPL-3+ BitstreamVera OFL-1.1"
SLOT="0"

IUSE="alsa curl speex upnp"

# ffmpeg covers most audio/video use cases and the package doesn't configure
# with alternatives enabled (media-libs/smpeg)
# When resolved upstream,
# !ffmpeg ( media-libs/libmad media-libs/libsndfile media-libs/libvorbis media-libs/smpeg )
# with an appropriate REQUIRED_USE may be added.
# See https://github.com/Aleph-One-Marathon/alephone/issues/85
RDEPEND="
	dev-libs/boost:=
	dev-libs/zziplib:=
	media-libs/libpng
	media-libs/libsdl2
	media-libs/sdl2-image[png]
	media-libs/sdl2-net
	media-libs/sdl2-ttf
	media-video/ffmpeg:=[mp3,vorbis]
	sys-libs/zlib
	virtual/opengl
	virtual/glu
	alsa? ( media-libs/alsa-lib )
	curl? ( net-misc/curl )
	speex? (
		media-libs/speex
		media-libs/speexdsp
	)
	upnp? ( net-libs/miniupnpc )
"

DEPEND="
	${RDEPEND}
"

BDEPEND="
	virtual/pkgconfig
"

PATCHES=( "${FILESDIR}/${P}-c99.patch" )

src_prepare() {
	default
	eautoreconf
}

src_configure() {
	econf \
		--enable-lua \
		--enable-opengl \
		--with-ffmpeg \
		--without-mad \
		--without-smpeg \
		--without-sndfile \
		--without-vorbis \
		$(use_with alsa) \
		$(use_with curl) \
		$(use_with speex) \
		$(use_with upnp miniupnpc)
}

src_compile() {
	tc-export AR
	default
}

src_install() {
	default
	prefixify_ro "${FILESDIR}"/${PN}.sh
	dobin "${T}"/${PN}.sh
	doman docs/${PN}.6
	docinto html/
	dodoc docs/*.html
}

pkg_postinst() {
	xdg_pkg_postinst
	optfeature_header "Install game data:"
	optfeature "Marathon data files" games-fps/alephone-marathon
	optfeature "Marathon 2 Durandal data files" games-fps/alephone-durandal
	optfeature "Marathon: Infinity data files" games-fps/alephone-infinity
}