#!/bin/bash

# Slackware build script for fs2open

# Copyright 2016 Danny Schmarsel <danny@schmarsel.de>
# 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.

# 20220222 bkw: Modified by SlackBuilds.org:
# - fix download URL.
# - force use of wxGTK3.
# - full paths in .desktop files, get rid of Encoding=

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

PRGNAM=fs2open
VERSION=${VERSION:-ac2b864}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

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

if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
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 $PRGNAM-$VERSION
tar xvzf $CWD/$PRGNAM-$VERSION.tar.gz
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 {} \+

# 20220222 bkw: force cmake to find wxGTK3, ignoring /usr/bin/wx-config.
mkdir -p wxtmp
ln -s /usr/lib$LIBDIRSUFFIX/wx/config/gtk3-unicode-3.0 wxtmp/wx-config
export PATH="$(pwd)/wxtmp:$PATH"

mkdir -p build/lib/openal/OpenALsoft/src/
cp $CWD/openal-soft-1.15.1.tar.bz2 build/lib/openal/OpenALsoft/src/
cd build
  cmake \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS" \
    -DwxWidgets_CONFIG_OPTIONS="--version=3.0" \
    -DCMAKE_INSTALL_PREFIX=/opt/fs2open \
    -DFSO_BUILD_TOOLS:BOOL=ON \
    -DFSO_BUILD_WXFRED2:BOOL=ON \
    -DFSO_USE_OPENALSOFT:BOOL=ON \
    -DFSO_USE_LUAJIT:BOOL=OFF \
    -DCMAKE_BUILD_TYPE=Release ..
  make
  make install/strip DESTDIR=$PKG
cd ..

# copy the pixmap
mkdir -p $PKG/usr/share/pixmaps
cp $TMP/$PRGNAM-$VERSION/freespace2/resources/app_icon.png $PKG/usr/share/pixmaps/fs2open.png

# create a desktop launcher
mkdir -p $PKG/usr/share/applications
if [ "$ARCH" = "x86_64" ]; then
cat << EOF > $PKG/usr/share/applications/fs2open.desktop
[Desktop Entry]
Type=Application
Name=FreeSpace 2 Open
Comment=A Linux port of FreeSpace 2
Icon=/usr/share/pixmaps/fs2open.png
Exec=/opt/fs2open/fs2_open_3_7_5_x64
Terminal=false
Categories=Game;
EOF
else
cat << EOF > $PKG/usr/share/applications/fs2open.desktop
[Desktop Entry]
Type=Application
Name=FreeSpace 2 Open
Comment=A Linux port of FreeSpace 2
Icon=/usr/share/pixmaps/fs2open.png
Exec=/opt/fs2open/fs2_open_3_7_5
Terminal=false
Categories=Game;
EOF
fi

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a ChangeLog COPYING Readme.md $PKG/usr/doc/$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
cat $CWD/doinst.sh > $PKG/install/doinst.sh

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