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# Copyright 1999-2021 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=7

inherit toolchain-funcs

DESCRIPTION="Quake/Tenebrae based, single player game"
HOMEPAGE="http://industri.sourceforge.net/"
SRC_URI="mirror://sourceforge/industri/industri_BIN-${PV}-src.tar.gz
	mirror://sourceforge/industri/industri-1.00.zip"
S="${WORKDIR}"/industri_BIN

LICENSE="GPL-2"
SLOT="0"
KEYWORDS="~x86"
IUSE="cdinstall"

RDEPEND="virtual/opengl
	x11-libs/libXxf86dga
	x11-libs/libXext
	x11-libs/libX11
	x11-libs/libXxf86vm
	media-libs/libpng:0
	cdinstall? ( games-fps/quake1-data )"
DEPEND="
	${RDEPEND}
	x11-base/xorg-proto
"
BDEPEND="app-arch/unzip"

PATCHES=(
	"${FILESDIR}"/${P}-exec-stack.patch
	"${FILESDIR}"/${P}-ldflags.patch
	"${FILESDIR}"/${P}-glext.patch
)

src_prepare() {
	mv linux/Makefile{.i386linux,} || die
	sed -i \
		-e "s:-mpentiumpro.*:${CFLAGS} \\\\:" \
		-e "s:CC.*= /usr/bin/gcc:CC?=/usr/bin/gcc:" \
		linux/Makefile || die

	# Remove duplicated typedefs #71841
	for typ in PFNGLFLUSHVERTEXARRAYRANGEAPPLEPROC PFNGLVERTEXARRAYRANGEAPPLEPROC ; do
		if echo '#include <GL/gl.h>' | $(tc-getCC) -E - 2>/dev/null | grep -sq ${typ} ; then
			sed -i \
				-e "/^typedef.*${typ}/d" \
				glquake.h || die
		fi
	done

	sed -i \
		-e 's:png_set_gray_1_2_4_to_8:png_set_expand_gray_1_2_4_to_8:g' \
		gl_warp.c || die

	default
}

src_compile() {
	tc-export CC

	emake \
		-C linux \
		MASTER_DIR=/usr/share/quake1 \
		build_release
}

src_install() {
	newbin linux/release*/bin/industri.run industri
	dobin "${FILESDIR}"/industri.pretty

	insinto /usr/share/icons
	doins industri.ico quake.ico
	dodoc linux/README

	cd "${WORKDIR}"/${PN} || die
	dodoc *.txt

	insinto /usr/share/quake1/${PN}
	doins *.pak *.cfg
}

pkg_postinst() {
	if ! use cdinstall ; then
		elog "You need to copy pak0.pak to /usr/share/quake1 to play."
	fi
}