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

inherit eutils games

DESCRIPTION="Unreal Tournament 99 - futuristic deathmatch shooter"
HOMEPAGE="http://www.unrealtournament.com/
	http://utpg.org/"
# Downloads both small patches, rather than bothering the user with a USE flag
SRC_URI="mirror://lokigames/../beta/ut/ut-install-436-GOTY.run
	mirror://lokigames/../patches/ut/ut-install-436.run
	http://utpg.org/patches/UTPGPatch${PV}.tar.bz2"

LICENSE="as-is"
SLOT="0"
KEYWORDS="-* ~amd64 ~x86"
IUSE="3dfx dedicated nls opengl S3TC sdl"
RESTRICT="strip"

UIDEPEND=">=app-arch/unshield-0.5-r1
	x86? (
		x11-libs/libXext
		x11-libs/libX11
		x11-libs/libXau
		x11-libs/libXdmcp
		3dfx? ( media-libs/glide )
		opengl? ( virtual/opengl )
		sdl? ( media-libs/libsdl )
		=media-libs/libsdl-1.2* )
	amd64? (
		app-emulation/emul-linux-x86-sdl
		app-emulation/emul-linux-x86-baselibs
		app-emulation/emul-linux-x86-xlibs )"
RDEPEND="dedicated? ( games-server/unreal-tournament-ded )"
DEPEND="${UIDEPEND}
	!games-fps/unreal-tournament-goty"

S=${WORKDIR}
dir=${GAMES_PREFIX_OPT}/${PN}
Ddir=${D}/${dir}

set_dirs() {
	# The top-level directory names can change per CD
	if [[ -n "${IS_UT_ANTHOLOGY}" ]] || [[ -e "${CDROM_ROOT}/System" ]] ; then
		HELP_DIR="Help"
		LOGS_DIR="Logs"
		MUSIC_DIR="Music"
		SOUNDS_DIR="Sounds"
		SYSTEM_DIR="System"
		TEXTURES_DIR="Textures"
		WEB_DIR="Web"
	else
		HELP_DIR="HELP"
		LOGS_DIR="LOGS"
		MUSIC_DIR="MUSIC"
		SOUNDS_DIR="SOUNDS"
		SYSTEM_DIR="SYSTEM"
		TEXTURES_DIR="TEXTURES"
		WEB_DIR="WEB"
	fi

	if [[ -n "${IS_UT_ANTHOLOGY}" ]] || [[ -e "${CDROM_ROOT}/Maps" ]] ; then
		MAPS_DIR="Maps"
	elif [[ -e "${CDROM_ROOT}/MAPS" ]] ; then
		MAPS_DIR="MAPS"
	else
		MAPS_DIR="maps"
	fi
}

unpack_patches() {
	# This routine is run twice, to ensure that the patch files
	# take precedence over the CD files.

	if [[ -n "${IS_UT_GOTY}" ]] || [[ -n "${IS_UT_ANTHOLOGY}" ]] ; then
		einfo "Unpacking GOTY patch"
		unpack_makeself ut-install-436-GOTY.run
	else
		einfo "Unpacking standard (non-GOTY) patch"
		unpack_makeself ut-install-436.run
	fi

	# Grab files from the CD, to be able to apply the Loki patch.
	# Cache the first time, because the 2nd time might have a
	# different CD inserted.
	if [[ ! -e cdcache ]] ; then
		mkdir cdcache
		local f lst cd_f
		lst=$(grep "PATCH FILE " setup.data/patch.dat)
		lst=$(echo "${lst}" | sed -e "s:PATCH FILE ::g")

		for f in ${lst} ; do
			if [[ -n "${IS_UT_ANTHOLOGY}" ]] ; then
				# No need to look on DVD
				cd_f=${SYSTEM_DIR}/$(basename ${f})
			else
				cd_f=${CDROM_ROOT}/${SYSTEM_DIR}/$(basename ${f})
			fi
			cp -f "${cd_f}" "cdcache/$(basename ${f})" \
				|| die "cp ${cd_f} failed"
		done
	fi
	cp -f cdcache/* System || die "cp cdcache failed"

	if use 3dfx ; then
		unpack ./Glide.ini.tar.gz || die "unpack Glide.ini failed"
	else
		unpack ./OpenGL.ini.tar.gz || die "unpack OpenGL.ini failed"
	fi
	unpack ./{Credits,data,NetGamesUSA.com}.tar.gz

	# Check whether patching is necessary,
	# because loki_patch will fail if the patch makes no difference.
	local testfile sum_patched sum_actual
	testfile=$(grep "PATCH FILE " setup.data/patch.dat | head -n 1)
	testfile=$(echo "${testfile}" | sed -e "s:PATCH FILE ::")
	sum_patched=$(grep "newsum=" setup.data/patch.dat | head -n 1)
	sum_patched=$(echo "${sum_patched}" | sed -e "s:newsum=::")
	sum_actual=$(md5sum "${testfile}" | cut -d ' ' -f 1)
	if [[ "${sum_patched}" = "${sum_actual}" ]] ; then
		einfo "Skipping Loki patch - files are pre-patched"
	else
		# Apply Loki patch
		cd setup.data
		cp -f patch.dat{,.orig} || die "cp patch.dat failed"
		sed -e 's:sh uz-maps.sh:echo:' patch.dat.orig > patch.dat \
			|| die "sed patch.dat failed"
		if ! ./bin/Linux/x86/loki_patch patch.dat "${S}" ; then
			eerror "Check whether the correct non/GOTY patch is being applied."
			die "loki_patch failed."
		fi
		cd "${S}"
	fi

	# Apply UTPG patch last, to ensure that it overwrites the CD data
	unpack UTPGPatch${PV}.tar.bz2
	rm -f System/{checkfiles.sh,patch.md5}

	# Tweak the default settings for today's standard of PCs,
	# and good preferences.
	sed -i System/UnrealTournament.ini \
		-e "s/CacheSizeMegs=4/CacheSizeMegs=64/" \
		-e "s/DoPrecache=0/DoPrecache=1/" \
		-e "s/UseTrilinear=False/UseTrilinear=True/" \
		-e "s/ScreenFlashes=True/ScreenFlashes=False/" \
		-e "s/Channels=16/Channels=24/" \
		|| die "sed UnrealTournament.ini failed"

	if use S3TC ; then
		# Turn the hi-res textures on
		sed -i System/UnrealTournament.ini \
			-e "s/UseS3TC=0/UseS3TC=1/" \
			|| die "sed UnrealTournament.ini S3TC failed"
	fi

	if ! use sdl ; then
		# Change default renderer
		if use opengl ; then
			# Recommended at http://icculus.org/lgfaq/#renderer , but intro movie
			# does not have the right colour depth it seems.
			# (RenderDevice is defaulted to *SDL*GLDrv by UTPG)
			sed -i System/UnrealTournament.ini \
				-e "s/GameRenderDevice=SDLGLDrv\.SDLGLRenderDevice/GameRenderDevice=OpenGLDrv\.OpenGLRenderDevice/" \
				-e "s/WindowedRenderDevice=SDLGLDrv\.SDLGLRenderDevice/WindowedRenderDevice=OpenGLDrv\.OpenGLRenderDevice/" \
				-e "s/RenderDevice=SDLGLDrv\.SDLGLRenderDevice/RenderDevice=OpenGLDrv\.OpenGLRenderDevice/" \
				|| die "sed UnrealTournament.ini opengl failed"
		elif use 3dfx ; then
			sed -i System/UnrealTournament.ini \
				-e "s/GameRenderDevice=SDLGLDrv\.SDLGLRenderDevice/GameRenderDevice=GlideDrv\.GlideRenderDevice/" \
				-e "s/WindowedRenderDevice=SDLGLDrv\.SDLGLRenderDevice/WindowedRenderDevice=GlideDrv\.GlideRenderDevice/" \
				-e "s/RenderDevice=SDLGLDrv\.SDLGLRenderDevice/RenderDevice=GlideDrv\.GlideRenderDevice/" \
				|| die "sed UnrealTournament.ini 3dfx failed"
		else
			# Switch to software renderer
			sed -i System/UnrealTournament.ini \
				-e "s/GameRenderDevice=SDLGLDrv\.SDLGLRenderDevice/GameRenderDevice=SDLSoftDrv.SDLSoftwareRenderDevice/" \
				-e "s/WindowedRenderDevice=SDLGLDrv\.SDLGLRenderDevice/WindowedRenderDevice=SDLSoftDrv.SDLSoftwareRenderDevice/" \
				-e "s/RenderDevice=SDLGLDrv\.SDLGLRenderDevice/RenderDevice=SDLSoftDrv.SDLSoftwareRenderDevice/" \
				|| die "sed UnrealTournament.ini software failed"
		fi
	fi

	# Fix server vulnerability - part of bug #44351
	sed -i System/Core.int \
		-e "/^LoadClassMismatch/s:%s.%s:%s:" \
		|| die "sed Core.int failed"
}

pkg_setup() {
	games_pkg_setup

	# Can't use cdrom_get_cds initially, because some CDs have
	# all the top-level directories in upper-case.

	local r
	for r in "${CD_ROOT}" "${CD_ROOT_1}" \
		`mount | egrep -e '(iso|cdrom)' | awk '{print $3}'` ; do
		if [[ -n "${r}" ]] ; then
			einfo "Searching ${r}"
			if [[ -e "${r}/Help/BonusPackReadme.txt" ]] ; then
				IS_UT_GOTY="y"
				einfo "Found UT99 \"Game Of The Year\" edition"
				cdrom_get_cds Help/BonusPackReadme.txt Help/chaosut
				break
			elif [[ -e "${r}/HELP/BonusPackReadme.txt" ]] ; then
				IS_UT_GOTY="y"
				einfo "Found UT99 \"Game Of The Year\" edition (with upper-case dirs)"
				# "Help" on the *2nd* CD is still mixed-case.
				cdrom_get_cds HELP/BonusPackReadme.txt Help/chaosut
				break
			elif [[ -e "${r}/System/Core.u" ]] \
				|| [[ -e "${r}/SYSTEM/Core.u" ]] ; then
				IS_UT_STANDARD="y"
				einfo "Found UT99 standard edition"
				cdrom_get_cds System/Core.u
				break
			elif [[ -e "${r}/AutoRunData/Unreal.ico" ]] ; then
				IS_UT_ANTHOLOGY="y"
				einfo "Found Midway Anthology DVD"
				cdrom_get_cds AutoRunData/Unreal.ico
				break
			fi
		fi
	done

	# CDROM_ROOT is set by cdrom_get_cds
	if [[ -z "${CDROM_ROOT}" ]] ; then
		eerror "Please mount the CD."
		die "Unreal Tournament 99 files not found."
	fi

	set_dirs
}

src_unpack() {
	if [[ -n "${IS_UT_ANTHOLOGY}" ]] ; then
		# Midway Anthology DVD.
		# Symlinks for unshield. data1&2.cab are both in Disk1.
		# unshield needs data1.hdr
		ln -sfn "${CDROM_ROOT}/Disk1/data1.hdr" "${T}"
		ln -sfn "${CDROM_ROOT}/Disk1/data1.cab" "${T}"
		ln -sfn "${CDROM_ROOT}/Disk1/data2.cab" "${T}"
		ln -sfn "${CDROM_ROOT}/Disk2/data3.cab" "${T}"
		ln -sfn "${CDROM_ROOT}/Disk3/data4.cab" "${T}"
		ln -sfn "${CDROM_ROOT}/Disk4/data5.cab" "${T}"
		ln -sfn "${CDROM_ROOT}/Disk5/data6.cab" "${T}"
		ln -sfn "${CDROM_ROOT}/Disk6/data7.cab" "${T}"
		ln -sfn "${CDROM_ROOT}/Disk7/data8.cab" "${T}"
		ln -sfn "${CDROM_ROOT}/Disk8/data9.cab" "${T}"

		# The big extraction
		einfo "Extracting from CAB files - this will take several minutes."
		unshield x "${T}"/data1.cab \
			|| die "unshield data1.cab failed"

		# Useful debugging information
		ls -R > extract-filelist.txt

		# Delete the other games on the Anthology DVD
		rm -rf {1,2,4}_* 3_UnrealTournament_EXE Launcher_English OCXFiles
		# Rename directories to be same as normal UT99 CD,
		# i.e. rename "3_UnrealTournament_Help" to "Help".
		for j in 3_UnrealTournament_* ; do
			mv -f "${j}" "${j:19}" || die "mv ${j} failed"
		done

		# Prevent Portage from getting confused about the symlinks.
		# The "logging" subdirectory is created by unshield.
		rm -rf "${T}"/logging
		rm -f "${T}"/*.{cab,hdr}

		for j in Help Manual Maps Music Sounds System Textures Web ; do
			einfo "Collating ${j}"

			if [[ -d "${j}_All" ]] ; then
				if [[ -d "${j}" ]] ; then
					cp -rf "${j}_All"/* "${j}" || die "cp ${j}_All"
				else
					mv -f "${j}_All" "${j}" || die "mv ${j}_All"
				fi
			fi

			if [[ -d "${j}_English" ]] ; then
				if [[ -d "${j}" ]] ; then
					cp -rf "${j}_English"/* "${j}" || die "cp ${j}_English"
				else
					mv -f "${j}_English" "${j}" || die "mv ${j}_English"
				fi
			fi
		done
	fi

	mkdir -p Help Logs Maps Music NetGamesUSA.com Sounds System Textures \
		Web UTPG

	if [[ -z "${IS_UT_ANTHOLOGY}" ]] ; then
		cp -rf "${CDROM_ROOT}"/{${HELP_DIR},${LOGS_DIR},${MUSIC_DIR},${TEXTURES_DIR}} "${S}" \
			|| die "cp Help, Logs, Music, Textures failed"
		# Sounds
		if use nls ; then
			cp -f "${CDROM_ROOT}"/${SOUNDS_DIR}/* "${S}"/Sounds \
				|| die "cp Sounds/* failed"
		else
			cp -f "${CDROM_ROOT}"/${SOUNDS_DIR}/*.uax "${S}"/Sounds \
				|| die "cp Sounds/*.uax failed"
		fi

		# System
		cp -f "${CDROM_ROOT}"/${SYSTEM_DIR}/*.u "${S}"/System \
			|| die "cp System failed"
		if use nls ; then
			cp -f "${CDROM_ROOT}"/${SYSTEM_DIR}/*.{est,frt,itt} "${S}"/System \
				|| die "cp System (nls) failed"
		fi

		# Unpack ucc-bin, for uncompressing maps
		unpack_patches

		# Uncompress maps (GOTY edition installs maps as .uz)
		echo "Uncompressing Maps... this may take some time"
		cd "${S}"/System
		export HOME=${T}
		export UT_DATA_PATH=${S}/System
		for f in $(find "${CDROM_ROOT}/${MAPS_DIR}" -name '*.uz' -printf '%f ') ; do
			"${S}"/System/ucc-bin decompress "${CDROM_ROOT}/${MAPS_DIR}/${f}" -nohomedir \
				|| die "uncompress map ${f} failed"
			mv -f "${f:0:${#f}-3}" "${S}"/Maps \
				|| die "mv map ${f} failed"
		done

		# Some CDs contain uncompressed maps
		if [[ -d "${CDROM_ROOT}/${MAPS_DIR}" ]] ; then
			cp -f "${CDROM_ROOT}/${MAPS_DIR}"/*.unr "${S}"/Maps
		fi
		cd "${S}"

		if [[ -n "${IS_UT_GOTY}" ]] || use S3TC ; then
			# Disk 2
			cdrom_load_next_cd
			set_dirs

			# S3TC Textures
			if use S3TC ; then
				cp -f "${CDROM_ROOT}/${TEXTURES_DIR}"/* "${S}"/Textures \
					|| die "cp S3TC Textures (CD 2) failed"
			fi

			if [[ -n "${IS_UT_GOTY}" ]] ; then
				# GOTY CD 2 - Help, Sounds
				cp -rf "${CDROM_ROOT}"/{${HELP_DIR},${SOUNDS_DIR}} "${S}" || die "cp Help Sounds (CD 2) failed"

				if ! use S3TC ; then
					cp -f "${CDROM_ROOT}/${TEXTURES_DIR}"/{JezzTex,Jezztex2,SnowDog,chaostex{,2}}.utx \
						"${S}"/Textures \
						|| die "cp Textures (CD 2) failed"
				fi

				# System
				cp -f "${CDROM_ROOT}/${SYSTEM_DIR}"/*.{int,u} "${S}"/System \
					|| die "cp System (CD 2) failed"

				# Uncompress maps
				echo "Uncompressing GOTY CD 2 Maps... this may take some time"
				cd "${S}"/System
				export HOME=${T}
				export UT_DATA_PATH=${S}/System
				for f in $(find "${CDROM_ROOT}/${MAPS_DIR}" -name '*.uz' -printf '%f ') ; do
					"${S}"/System/ucc-bin decompress "${CDROM_ROOT}/${MAPS_DIR}/${f}" -nohomedir \
						|| die "uncompress map ${f} failed"
					mv -f "${f:0:${#f}-3}" "${S}"/Maps \
						|| die "mv map ${f} failed"
				done
				cd "${S}"
			fi
		fi
	fi

	# Extract the patches a second time (first time for Anthology DVD),
	# to ensure they overwrite the CD files.
	unpack_patches

	# Remove Windows-specific files
	find . -type f '(' -name '*.bat' -o -name '*.dll' -o -name '*.exe' ')' -delete
}

src_install() {
	insinto "${dir}"
	doins icon.{bmp,xpm} || die "doins icons failed"
	doins -r README Help Logs Maps Music NetGamesUSA.com Sounds System \
		Textures Web || die "doins directories failed"
	rm -f "${Ddir}"/System/*{-bin,.so}

	exeinto "${dir}"/System
	# Deliberately don't install ucc-bin, due to bug #44351.
	# unreal-tournament-ded contains it instead.
	doexe System/{ut-bin,*.so} || die "doexe ut-bin *.so failed"

	# Scripts
	exeinto "${dir}"
	doexe bin/x86/u{cc,t} || die "doexe ucc/ut failed"
	dosed "s:\`FindPath \$0\`:${dir}:" "${dir}"/u{cc,t}

	# Desktop
	games_make_wrapper ut ./ut "${dir}"
	newicon icon.xpm ut.xpm || die "newicon failed"
	make_desktop_entry ut "Unreal Tournament 99" ut.xpm

	# Update file datestamps
	find "${Ddir}" -exec touch '{}' \;

	prepgamesdirs
}

pkg_postinst() {
	games_pkg_postinst

	if ! has_version "games-fps/unreal-tournament-bonuspacks" ; then
		elog "emerge games-fps/unreal-tournament-bonuspacks, to add many popular maps."
		echo
	fi

	if ! use dedicated && ! has_version "games-server/unreal-tournament-ded" ; then
		elog "The 'ucc' server executable has been moved to:"
		elog "   games-server/unreal-tournament-ded"
		elog "Because it is insecure - see bug #44351."
		echo
	fi
}