#!/bin/bash
#
# Slackware build script for 0.A.D.
#
# Copyright 2020-2025 Tim Dickson, Scotland
# Copyright 2016-2017 Reedych <reedych@ya.ru>
# Copyright 2010-2016  Erik W. Hanson, Minneapolis, MN, USA
# 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=0ad
VERSION=${VERSION:-0.27.0}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

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

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

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 $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION-unix-build.tar.xz
cd $PRGNAM-$VERSION
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 {} \;

unset CPPFLAGS

export CFLAGS="$SLKCFLAGS"
export CXXFLAGS="$SLKCFLAGS -DU_USING_ICU_NAMESPACE=1"
export LDFLAGS="-L/usr/lib${LIBDIRSUFFIX}"
export SDL2_CONFIG="/usr/bin/sdl2-config"
#prevent out of tree files getting written.
mkdir -p cargoh
export CARGO_HOME="$TMP/$PRGNAM-$VERSION/cargoh"

#patch root check in update-workspace.sh
sed -i 's/\"0\"/\"-1\"/g' build/workspaces/update-workspaces.sh
#we need to run a premake buuild (basically untars a file)
libraries/source/premake-core/build.sh
#the version of spidermonkey shipping with 0ad 0.27.0 requires rust 1.66.0 or higher
#so set up environment for that
export PATH="/opt/rust/bin:$PATH"
if [ -z "$LD_LIBRARY_PATH" ]; then
  export LD_LIBRARY_PATH="/opt/rust/lib$LIBDIRSUFFIX"
else
  export LD_LIBRARY_PATH="/opt/rust/lib$LIBDIRSUFFIX:$LD_LIBRARY_PATH"
fi
#we need to overwrite a patch for 32bit building of spidermonkey
cp -a $CWD/FixFpNormIssue.diff libraries/source/spidermonkey/patches/
libraries/build-source-libs.sh
build/workspaces/update-workspaces.sh \
  --without-pch \
  --bindir=/usr/games \
  --datadir=/usr/share/games/0ad \
  --libdir=/usr/lib${LIBDIRSUFFIX}/0ad
#atlas is enabled by default since 0.27.0
make CONFIG=Release -C build/workspaces/gcc
mkdir -p $PKG/usr/lib${LIBDIRSUFFIX}/0ad
cp binaries/system/*.so* $PKG/usr/lib${LIBDIRSUFFIX}/0ad
chmod 0755 $PKG/usr/lib${LIBDIRSUFFIX}/0ad/*

# install additional data - l10n, etc.
mkdir -p $PKG/usr/share/games
cp -r binaries/data $PKG/usr/share/games/0ad
chmod 0755 $PKG/usr/share/games/0ad

install -Dm 0755 binaries/system/pyrogenesis $PKG/usr/games/pyrogenesis

[ -e binaries/system/ActorEditor ] && \
install -Dm 0755 binaries/system/ActorEditor $PKG/usr/libexec/0ad/bin/ActorEditor

install -Dm 0644 build/resources/0ad.desktop $PKG/usr/share/applications/0ad.desktop
install -Dm 0644 build/resources/0ad.png $PKG/usr/share/pixmaps/0ad.png
install -Dm 0755 build/resources/0ad.sh $PKG/usr/games/0ad

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

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a LICENSE.md README.md license_dbghelp.txt license_gpl-2.0.txt license_lgpl-2.1.txt \
  $PKG/usr/doc/$PRGNAM-$VERSION
cp binaries/system/readme.txt \
  $PKG/usr/doc/$PRGNAM-$VERSION/README-options.txt
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

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

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