# Copyright 1999-2006 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# $Header: $

# Variables to specify in an ebuild which uses this eclass:
# GAME - (doom3, quake4 or ut2004), unless ${PN} starts with e.g. "doom3-"
# MOD_DIR - Subdirectory name for the mod, if applicable
# MOD_NAME - Creates a command-line wrapper and desktop icon for the mod
# MOD_ICON - Custom icon for the mod, instead of the default

inherit games

EXPORT_FUNCTIONS src_install

SLOT="0"

# "-*" because the games don't run on other arches
KEYWORDS="-* amd64 x86"
IUSE=""
LICENSE="freedist"
RESTRICT="nomirror nostrip"

# Map packs and mods should never overwrite existing files
FEATURES="${FEATURES} collision-protect"

if [[ -z ${GAME} ]] ; then
	# Guess ${GAME} from ${PN}, e.g. "doom3" from "doom3-inhell"
	GAME=${PN%%-*}
fi

# Most of the SRC_URIs are going to be zipped
DEPEND="app-arch/unzip"

# Add ut2007 support, when the game is released
case "${GAME}" in
	"doom3")
		RDEPEND=">=games-fps/doom3-1.3.1302-r1"
		GAME_TITLE="Doom III"
		DEFAULT_MOD_ICON="doom3.png"
		SELECT_MOD="+set fs_game "
		;;
	"quake4")
		RDEPEND=">=games-fps/quake4-bin-1.0.6"
		GAME_TITLE="Quake IV"
		DEFAULT_MOD_ICON="/usr/share/pixmaps/quake4.bmp"
		SELECT_MOD="+set fs_game "
		;;
	"ut2004")
		RDEPEND=">=games-fps/ut2004-3369-r1"
		GAME_TITLE="UT2004"
		DEFAULT_MOD_ICON="ut2004.xpm"
		SELECT_MOD="-mod="
		;;
esac

S=${WORKDIR}
dir=${GAMES_PREFIX_OPT}/${GAME}
GAME_EXE=${GAME}

games-mappack_src_install() {
	# Sanity check
	if [[ "${GAME}" != "doom3" ]] && [[ "${GAME}" != "quake4" ]] \
		&& [[ "${GAME}" != "ut2004" ]] ; then
		die "GAME must be one of: doom3, quake4, ut2004"
	fi

	INS_DIR="${dir}"

	if [[ -n "${MOD_DIR}" ]] ; then
		# Am installing into a new subdirectory of the game
		if [[ ! -d "${MOD_DIR}" ]] ; then
			INS_DIR="${dir}/${MOD_DIR}"
		fi

		if [[ -n "${MOD_NAME}" ]] ; then
			if [[ -n "${MOD_ICON}" ]] ; then
				# Install custom icon
				# This Bash voodoo determines the file extension, e.g. "xpm"
				MOD_ICON_EXT=${MOD_ICON##*.}
				newicon "${MOD_ICON}" "${PN}.${MOD_ICON_EXT}" \
					|| die "newicon ${MOD_ICON} failed"
			else
				# Use the game's standard icon
				MOD_ICON=${DEFAULT_MOD_ICON}
			fi

			# Set up command-line and desktop menu entry
			games_make_wrapper ${PN} "${GAME_EXE} ${SELECT_MOD}${MOD_DIR}"
			make_desktop_entry ${PN} "${GAME_TITLE} - ${MOD_NAME}" "${MOD_ICON}"
		fi
	fi

	# We expect anything not wanted to have been deleted by the ebuild
	insinto "${INS_DIR}"
	doins -r * || die "doins -r failed"

	prepgamesdirs
}