#!/bin/sh

# Heavily based on the Slackware 14.1 SlackBuild

# Written by miklos < ardutu at gmail dot com >

# Slackware build script for darkplaces
# Official Site: http://icculus.org/twilight/darkplaces/

# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ''AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Require: 

set -e

# Basic information. 
PKGNAME=darkplaces
SRCNAME=darkplacesengine
VERSION=${VERSION:-20140513}
BUILD=${BUILD:-2}
TAG=${TAG:-sl}
ARCH=${ARCH:-$(uname -m)}
SOURCE=http://icculus.org/twilight/darkplaces/files/${SRCNAME}${VERSION}.zip
TAR=
DIR=$PKGNAME
DOCS="COPYING* darkplaces.txt"
SLKFILES="darkplaces-dedicated darkplaces-glx darkplaces-sdl darkplaces.desktop darkplaces-sdl.desktop"

# Automatically determine the architecture we're building on:
case "$ARCH" in
	  i?86) export ARCH=i486; SLKCFLAGS="-O2 -march=i486 -mtune=i686"; CHOST="i486-slackware-linux" ;;
	x86_64) SLKCFLAGS="-O2 -fPIC"; LIBDIRSUFFIX="64"; CHOST="x86_64-slackware-linux" ;;
	  arm*) export ARCH=arm; SLKCFLAGS="-O2 -march=armv5te"; CHOST="arm-slackware-linux-gnueabi" ;;
# Unless $ARCH is already set, use uname -m for all other archs:
		 *) export ARCH=$( uname -m ) ;;
esac

# Does not touch following if not needed
JOBS=${JOBS:--j2}
CWD=$(pwd)
TMP=${TMP:-/tmp/buildpkgs/$PKGNAME}
PKG=$TMP/package-$PKGNAME
OUTPUT=${OUTPUT:-$CWD}
TAR=${TAR:-$(basename $SOURCE)}
DIR=${DIR:-$(echo "$TAR"|sed -r 's/(\.tar|)(.gz|.bz2|.xz|)$//')}

if [ ! -e $CWD/$TAR ];then
  wget $SOURCE -O "$CWD/$TAR"
fi

### Preparing Source
rm -rf $TMP
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
unzip $CWD/$TAR ${SRCNAME}source${VERSION}.zip
unzip ${SRCNAME}source${VERSION}.zip
cd $DIR

chown -R root:root .
chmod -R u+w,go+r-w,a-s .

make OPTIM_RELEASE="$SLKCFLAGS" $JOBS release

#install binaries
mkdir -p $PKG/usr/share/games/darkplaces/id1
install -m 0755 darkplaces-glx $PKG/usr/share/games/darkplaces/
install -m 0755 darkplaces-sdl $PKG/usr/share/games/darkplaces/
install -m 0755 darkplaces-dedicated $PKG/usr/share/games/darkplaces/

mkdir -p $PKG/usr/games/
install -m 0755 $CWD/darkplaces-glx $PKG/usr/games/
install -m 0755 $CWD/darkplaces-sdl $PKG/usr/games/
install -m 0755 $CWD/darkplaces-dedicated $PKG/usr/games/

#install desktop integration
mkdir -p $PKG/usr/share/applications/
mkdir -p $PKG/usr/share/pixmaps/
install -m 0644 darkplaces72x72.png $PKG/usr/share/pixmaps/darkplaces.png
install -m 0644 $CWD/darkplaces.desktop $PKG/usr/share/applications/
install -m 0644 $CWD/darkplaces-sdl.desktop $PKG/usr/share/applications/

# Documentation
mkdir -p $PKG/usr/doc/$PKGNAME-$VERSION
for DC in $DOCS;do
	[ -e $DC ] && cp -r $DC $PKG/usr/doc/$PKGNAME-$VERSION/ || true
done
 
mkdir -p $PKG/usr/doc/$PKGNAME-$VERSION/SlackBuild
cd $CWD
for SB in $PKGNAME.SlackBuild slack-desc doinst.sh doinst.sh.gz EULA.TXT $SLKFILES;do
  [ -e $SB ]&&cp -r $SB $PKG/usr/doc/$PKGNAME-$VERSION/SlackBuild/$SB
done


for i in man info
do
    if [ -d $PKG/usr/$i ]; then
   		cd $PKG/usr/$i
		find . -type f -exec gzip -9 {} \;
		for file in $( find . -type l ) ; do ln -s $( readlink $file ).gz $file.gz ; rm $file ; done
		[ "$i" == "info" ] && rm -f dir
    fi
done

( cd $PKG
  find . | xargs file | grep "executable" | grep ELF | cut -f 1 -d : | xargs -r strip --strip-unneeded 2> /dev/null || true
  find . | xargs file | grep "shared object" | grep ELF | cut -f 1 -d : | xargs -r strip --strip-unneeded 2> /dev/null || true
  find . | xargs file | grep "current ar archive" | cut -f 1 -d : | xargs -r strip --strip-unneeded 2> /dev/null || true
)

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
[ -e $CWD/doinst.sh ] && cat $CWD/doinst.sh > $PKG/install/doinst.sh
[ -e $CWD/doinst.sh.gz ] && zcat $CWD/doinst.sh.gz > $PKG/install/doinst.sh

cd $PKG
chown -R root:root $PKG

if [ -x "$(which requiredbuilder 2>/dev/null)" ];then
  requiredbuilder -c -b -y -v -s $CWD $PKG
  [ -e install/slack-required ]&&cat install/slack-required > $PKG/usr/doc/$PKGNAME-$VERSION/SlackBuild/slack-required
fi

/sbin/makepkg -l y -c n $OUTPUT/$PKGNAME-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-txz}

if [ "$1" = "--cleanup" ]; then
  rm -rf $TMP
fi

