# Copyright 1999-2007 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

inherit eutils games flag-o-matic

DESCRIPTION="Multiple Arcade Machine Emulator (SDL)"
HOMEPAGE="http://rbelmont.mameworld.info/?page_id=163"
# SRC_URI="http://rbelmont.mameworld.info/${MY_P}.zip"

# Same as xmame. Should it be renamed to MAME?
LICENSE="XMAME"
SLOT="0"
KEYWORDS="~amd64 ~ppc ~x86"
IUSE="minimal debug wolfmame"

DEPEND=">=media-libs/libsdl-1.2.10
        sys-libs/zlib
        dev-libs/expat
        debug? (
            >gnome-base/gconf-2
            >=x11-libs/gtk+-2 )"

RDEPEND="${DEPEND}"

S="${WORKDIR}/sdlmame"
RESTRICT="strip"

# Function to disable a makefile option
disable_feature() {
	sed -i \
		-e "/$1.*=/s:^:# :" \
		"${S}"/makefile
}

# Function to enable a makefile option
enable_feature() {
	sed -i \
		-e "/^#.*$1.*=/s:^# ::"  \
		"${S}"/makefile
}

src_unpack() {
	local zip
	zip=${PN}$(echo ${PV} | sed -r -e "s/([0-9]+\.[0-9]+)\.([0-9]+)$/\1.u\2/" -e "s/\.//g").zip
	MY_V=$(echo ${PV} | sed -r -e "s/.u[0-9]+$//")

	# his domain blocks calls without a UserAgent (which is wget's default)

	local dldir
	dldir="${PORTAGE_ACTUAL_DISTDIR}/sdlmame"
	addwrite "${dldir}"
	mkdir -p "${dldir}"
	pushd >/dev/null "${dldir}"

	local zipDir=${zip%.zip}
	rm -rf ${zipDir}

	# we can't test for the file's existence, must find out why
	unzip >/dev/null $zip || \
		(curl -A Firefox -C - http://rbelmont.mameworld.info/$zip -o $zip && unzip >/dev/null $zip || die 1)

	mv ${zipDir} ${WORKDIR}/${PN} || die 1
	popd

	if use wolfmame ; then
		einfo "Applying WolfMAME patches"
		cd "${S}"
		epatch "${FILESDIR}"/${MY_V}/dipports.patch
		epatch "${FILESDIR}"/${MY_V}/inpview.patch
		epatch "${FILESDIR}"/${MY_V}/wolf.patch
		# Minimal driver support. Good for ebuild testing...
		if use minimal ; then
			make_opts="SUBTARGET=tiny"
		fi
	fi

	epatch "${FILESDIR}/paths-0.121.patch"
}

src_compile() {
	# Don't compile zlib and expat
	einfo "Disabling embedded libraries: zlib and expat"
	disable_feature BUILD_ZLIB
	disable_feature BUILD_EXPAT

	case ${ARCH} in
		amd64)  einfo "Enabling 64-bit support"
				enable_feature PTR64
				enable_feature AMD64
				;;

		x86)    einfo "Optimizing build for $(get-flag march)"
				case $(get-flag march) in
					pentium3)   enable_feature PM;;
					pentium-m)  enable_feature PM;;
					pentium4)   enable_feature P4;;
					athlon)     enable_feature ATHLON;;
					k7)         enable_feature ATHLON;;
					i686)       enable_feature I686;;
					pentiumpro) enable_feature I686;;
				esac
				;;

		ppc)    einfo "Enabling PPC support"
				enable_feature G4
				;;
	esac

	if use debug ; then
		enable_feature DEBUG
		enable_feature SYMBOLS
		enable_feature PROFILE
	fi

	emake \
		NAME=${PN} \
		SUFFIX="" \
		${make_opts} \
		|| die "emake failed"
}

src_install() {
	dogamesbin ${PN} || die "dogamesbin ${PN} failed"

	# Follows xmame ebuild, avoiding collision on /usr/games/bin/jedutil
	exeinto $(games_get_libdir)/${PN}
	local f
	for f in chdman jedutil romcmp ; do
		doexe "${f}" || die "doexe ${f} failed"
	done

	dodoc docs/* *.txt

	prepgamesdirs

	ewarn "The default configuration directory for sdlmame on posix operating"
	ewarn "systems is now \$HOME/.sdlmame"
}