#!/bin/bash

# Slackware build script for vegastrike

# Copyright 2019- CRTS
# All rights reserved.
#
# 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.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=vegastrike
VERSION=${VERSION:-0.5.1.r1}
BUILD=${BUILD:-2}
TAG=${TAG:-_SBo}

PRGSRCSUF=${PRGSRCSUF:-.tar.bz2}
PRGSRCNAME=${PRGSRCNAME:-$PRGNAM-src-*}
PRGSRCNAME=${PRGSRCNAME%$PRGSRCSUF}

PRGDATASUF=${PRGDATASUF:-.tar.bz2}
PRGDATANAME=${PRGDATANAME:-$PRGNAM-data-*}
PRGDATANAME=${PRGDATANAME%$PRGDATASUF}

PRGEXTRASUF=${PRGEXTRASUF%.tar.bz2}
PRGEXTRANAME=${PRGEXTRANAME:-$PRGNAM-extra-*}
PRGEXTRANAME=${PRGEXTRANAME%$PRGEXTRASUF}

PRGMUSICSUF=${PRGMUSICSUF%.tar}
PRGMUSICNAME=${PRGMUSICNAME:-$PRGNAM-music-*}
PRGMUSICNAME=${PRGMUSICNAME%$PRGMUSICSUF}

PRGSPEECHSUF=${PRGSPEECHSUF%.tar}
PRGSPEECHNAME=${PRGSPEECHNAME:-$PRGNAM-speech-*}
PRGSPEECHNAME=${PRGSPEECHNAME%$PRGSPEECHSUF}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i586 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

if [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
else
  SLKCFLAGS="-O2"
  LIBDIRSUFFIX=""
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGSRCNAME
tar xvf $CWD/$PRGSRCNAME$PRGSRCSUF

cd $PRGSRCNAME

cp "$CWD/cmake"/*.cmake .

declare patchdir="$CWD/patches"

patch -p0 < "$patchdir/patch-${VERSION}_$BUILD"

BUILDDIR=build
mkdir -p $BUILDDIR

chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

cd $BUILDDIR

# ATTENTION: The settings currently do NOT affect the installation
# destinations!
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
cmake \
	-DCMAKE_INSTALL_PREFIX=/usr \
	-DCMAKE_INSTALL_LIBDIR=/usr/lib${LIBDIRSUFFIX} \
	-DCMAKE_INSTALL_SYSCONFDIR=/etc \
	-DCMAKE_INSTALL_LOCALSTATEDIR=/var \
	-DCMAKE_INSTALL_MANDIR=/usr/man \
	-DCMAKE_INSTALL_DOCDIR=/usr/doc/$PRGNAM-$VERSION \
	-DCMAKE_SYSTEM_PROCESSOR=$ARCH \
	-DDISABLE_SERVER=${DISABLE_SERVER:-ON} \
	-DUSE_SYSTEM_BOOST=${USE_SYSTEM_BOOST:-ON} \
	-DCMAKE_CXX_STANDARD=${CMAKE_CXX_STANDARD:-11} \
	..

make

# auto install is not working, so we have to do it
# manually like a peasant.

#make install DESTDIR=$PKG

cd $TMP/$PRGSRCNAME

bindir=$PKG/usr/bin
vsbasedir=$PKG/usr/share/games/vegastrike
vsdatadir=$vsbasedir/data
objconvdir=$vsbasedir/objconv

mkdir -p $vsbasedir $bindir $objconvdir

for f in ./build/vegaserver ./build/vegastrike ./build/setup/vssetup;do
	if [[ -e "$f" ]];then
		chmod +x $f
		cp $f $bindir
	fi
done

for f in ./build/objconv/asteroidgen ./build/objconv/replace ./build/objconv/trisort ./build/objconv/mesh_tool ;do
	if [[ -e "$f" ]];then
		chmod +x $f
		cp $f $objconvdir
	fi
done

tar xvf $CWD/$PRGDATANAME$PRGDATASUF

PARTSFIX=${PARTSFIX:-YES}

case ${PARTSFIX^^} in
Y|YES|T|TRUE|ON|1)
	cd $PRGDATANAME
	patch -p0 < "$patchdir/patch_partsfix-${VERSION}_$BUILD"
	cd -
	;;
*)
	;;
esac

mv $PRGDATANAME $vsdatadir

tar xvf $CWD/$PRGEXTRANAME$PRGEXTRASUF
tar xvf $CWD/$PRGMUSICNAME$PRGMUSICSUF
tar xvf $CWD/$PRGSPEECHNAME$PRGSPEECHSUF

mv $PRGMUSICNAME/* $vsdatadir

for d in $PRGEXTRANAME $PRGSPEECHNAME;do
	echo "copying: $d"
	find "$d" -type f -printf '%P\n' |
		while read f;do
			# all paths will contain at least one '/' in this case
			mkdir -p "$vsdatadir/${f%/*}"
			mv "$d/$f" "$vsdatadir/$f"
		done
done

echo "stripping libraries"

find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \
  | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp AUTHORS COPYING CYGWIN.NOTES ChangeLog DOCUMENTATION INSTALL NEWS README README.MACOSX.rtf README.sgi $PKG/usr/doc/$PRGNAM-$VERSION

cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}