# Copyright 1999-2002 Gentoo Technologies, Inc.
# Distributed under the terms of the GNU General Public License v2
# $Header: $

DESCRIPTION="relnev's Quake 2 source-port"
HOMEPAGE="www.icculus.org/quake2/"
SRC_URI="http://www.icculus.org/quake2/files/quake2-r0.15.tar.gz ftp://ftp.idsoftware.com/idstuff/quake2/source/xatrixsrc320.shar.Z ftp://ftp.idsoftware.com/idstuff/quake2/source/roguesrc320.shar.Z"
LICENSE="GPL-2"

IUSE="X aalib arts opengl sdl svga"
SLOT="0"
KEYWORDS="x86"
DEPEND="X?	( virtual/x11 )
	aalib?	( media-libs/aalib )
	arts?	( kde-base/arts )
	opengl?	( virtual/opengl )
	sdl?	( media-libs/libsdl )
	svga?	( media-libs/svgalib )"

S=${WORKDIR}/quake2-r0.15

src_unpack() {
	# Unpack the base tarball
	tar -zxf ${DISTDIR}/quake2-r0.15.tar.gz

	# Make the add-on directories
	mkdir -p quake2-r0.15/src/rogue quake2-r0.15/src/xatrix

	# Unpack the Rogue source
	zcat ${DISTDIR}/roguesrc320.shar.Z \
		|sed -e 's/$shar_touch -am 1130175398/$shar_touch -t 199811301753.00/' |tail +454 >roguesrc320.shar || die
	sh roguesrc320.shar || die
	mv Makefile quake2-r0.15/src/rogue/ && mv *.[c,h] quake2-r0.15/src/rogue/

	# Fix compile failure
	cp quake2-r0.15/src/rogue/g_local.h \
		quake2-r0.15/src/rogue/g_local.h.original
	sed -e 's/#define _isnan(a) ((a)==NAN)/#define _isnan(a) isnan(a)/' \
		-e 's/#include <nan.h>/#include <bits\/nan.h>/' \
		< quake2-r0.15/src/rogue/g_local.h.original > \
		quake2-r0.15/src/rogue/g_local.h || die

	# Unpack the Xatrix source
	zcat ${DISTDIR}/xatrixsrc320.shar.Z \
		|sed -e "s/$shar_touch -am 1130175598/$shar_touch -t 199912312359.00/" |tail +441 >xatrixsrc320.shar
	sh xatrixsrc320.shar || die
	mv Makefile quake2-r0.15/src/xatrix/ && mv *.[c,h] quake2-r0.15/src/xatrix/

	rm *.shar
}

src_compile() {
	# Modify the Makefile:
	mv Makefile Makefile.original || die
	tail +30 Makefile.original >Makefile

######### Mine Ends

	if [ `use sdl` ] ; then
		BUILD_SDL=YES  ; BUILD_SDLQUAKE2=YES
	else
		BUILD_SDL=NO   ; BUILD_SDLQUAKE2=NO
	fi
	
	use X \
		&& BUILD_X11=YES \
		|| BUILD_X11=NO
		
	use opengl && opengl=1
	
	if [[ (${opengl}) && ${BUILD_X11} == 'YES' ]]; then
		BUILD_GLX=YES;
	else
		BUILD_GLX=NO;
	fi
	
	use svga \
		&& BUILD_SVGA=YES \
		|| BUILD_SVGA=NO
	
	if [[ ${BUILD_SDL} == 'YES' && ${opengl} ]]; then 
			BUILD_SDLGL=YES
	else
			BUILD_SDLGL=NO
	fi
		
	use arts \
		&& BUILD_ARTS=YES \
		|| BUILD_ARTS=NO
	
	# Does not work with gcc2, but does with gcc3.
	use aalib \
		&& BUILD_AA=YES \
		|| BUILD_AA=NO

	if [[ ${BUILD_SDL} == 'NO'  && ${BUILD_X11}	 == 'NO' \
		&& ${BUILD_AA}		== 'NO' \
		&& ${BUILD_SVGA}	== 'NO' ]]; then
			einfo "You do realize, of course, that you need to enable something"
			einfo "to display quake2 with? Try SDL or SVGA or X."
			die;
	fi

	local=myconf
	myconf="BUILD_DEDICATED=YES \
		BUILD_ROGUE=YES \
		BUILD_XATRIX=YES \
		BUILD_AA=${BUILD_AA} \
		BUILD_ARTS=${BUILD_ARTS} \
		BUILD_GLX=${BUILD_GLX} \
		BUILD_QMAX=NO \
		BUILD_SDL=${BUILD_SDL} \
		BUILD_SDLGL=${BUILD_SDLGL} \
		BUILD_SDLQUAKE2=${BUILD_SDLQUAKE2} \
		BUILD_SVGA=${BUILD_SVGA} \
		BUILD_X11=${BUILD_X11}"

	# Make with multiple thread options
	emake build_release ${myconf} || die
}

src_install () {
	# Make the directories
	dodir /usr/bin
	dodir /usr/share/games/quake2-relnev
	dodir /usr/share/games/quake2-relnev/baseq2
	dodir /usr/share/games/quake2-relnev/ctf
	dodir /usr/share/games/quake2-relnev/rogue
	dodir /usr/share/games/quake2-relnev/xatrix

	# Install the files
	# Scripts first ...
	newbin ${FILESDIR}/q2ded-relnev.start q2ded-relnev
	newbin ${FILESDIR}/quake2-relnev.start quake2-relnev
	newbin ${FILESDIR}/sdlquake2-relnev.start sdlquake2-relnev

	# Now programs and libraries
	exeinto /usr/share/games/quake2-relnev
	newexe releasei386/quake2 quake2-relnev
	use sdl && newexe releasei386/sdlquake2 sdlquake2-relnev
	doexe releasei386/ref_*.so

	# Now populate baseq2 with symlinks and source-port specific files
	insinto /usr/share/games/quake2-relnev/baseq2
	doins releasei386/gamei386.so
	#doins ${DISTDIR}/maxpak.pak				#Q2MAX
	dosym /usr/share/games/quake2-data/baseq2/pak0.pak /usr/share/games/quake2-relnev/baseq2/pak0.pak
	dosym /usr/share/games/quake2-data/baseq2/pak1.pak /usr/share/games/quake2-relnev/baseq2/pak1.pak
	dosym /usr/share/games/quake2-data/baseq2/pak2.pak /usr/share/games/quake2-relnev/baseq2/pak2.pak
	dosym /usr/share/games/quake2-data/baseq2/players /usr/share/games/quake2-relnev/baseq2/players
	dosym /usr/share/games/quake2-data/baseq2/video /usr/share/games/quake2-relnev/baseq2/video

	# And the same with the add-on sub-directories ...
	insinto /usr/share/games/quake2-relnev/ctf
	doins releasei386/ctf/gamei386.so
	dosym /usr/share/games/quake2-data/ctf/pak0.pak /usr/share/games/quake2-relnev/ctf/pak0.pak

	insinto /usr/share/games/quake2-relnev/rogue
	doins releasei386/rogue/gamei386.so
	dosym /usr/share/games/quake2-data/rogue/pak0.pak /usr/share/games/quake2-relnev/rogue/pak0.pak
	dosym /usr/share/games/quake2-data/rogue/video /usr/share/games/quake2-relnev/rogue/video

	insinto /usr/share/games/quake2-relnev/xatrix
	doins releasei386/xatrix/gamei386.so
	dosym /usr/share/games/quake2-data/xatrix/pak0.pak /usr/share/games/quake2-relnev/xatrix/pak0.pak
	dosym /usr/share/games/quake2-data/xatrix/video /usr/share/games/quake2-relnev/xatrix/video

	dodoc README TODO readme.txt ${FILESDIR}/README-postinstall
}

pkg_postinst () {
	echo
	einfo " Read /usr/share/games/quake2-relnev/README-postinstall.gz"
	einfo " for directions on running this."
	echo
	einfo " This package only installed the engine - you now need to "
	einfo " install the data. If it is already installed:		 "
	echo
	einfo " To run the game, use 'quake2-relnev' or 'sdlquake2-relnev'"
	einfo " if you have SDL support enabled."
	echo
	einfo " To use a mod (such as CTF), do"
	einfo " 'quake2-relnev +set game <mod dir>' where <mod dir> is the name"
	einfo " of the mod's directory in /usr/share/games/quake2-data (such as 'ctf')"
	echo
}