#!/bin/sh

# Slackware build script for etlegacy
# Copyright 2013-2014 Matteo Bernardini <ponce@slackbuilds.org>, Pisa, Italy
# 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.

PRGNAM=etlegacy
VERSION=${VERSION:-20141115_3a6dbd5}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i*86) ARCH=i686 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

CWD=$(pwd)
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

w_omnibot=1
if [ "$ARCH" = "i386" ]; then
  SLKCFLAGS="-O2 -march=i386 -mtune=i686"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=core2"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  w_omnibot=0
else
  SLKCFLAGS="-O2"
  w_omnibot=0
fi

# The new renderer performs better but needs an OpenGL 3.0+ capable GPU;
# also it's still WIP, so enable at your own risk, may cause incompatibilities
# with some maps
if [ "${RENDERER2:-no}" = "yes" ]; then w_renderer=1; else w_renderer=0; fi
if [ "${FREETYPE:-no}" = "yes" ]; then w_freetype=1; else w_freetype=0; fi
if [ "${OPENAL:-no}" = "yes" ]; then w_openal=1; else w_openal=0; fi
if [ "${CROUCH:-no}" = "yes" ]; then w_crouch=1; else w_crouch=0; fi
if [ "${MULTIVIEW:-no}" = "yes" ]; then w_multiview=1; else w_multiview=0; fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tar.?z*
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 {} \;

# Fix location of the omnibot.zip, man install path
# and leave the relative path to binaries off
sed -i "s|share/man|man|" CMakeLists.txt
sed -i "s|^\.\/etl|etl|" misc/etl_bot.sh misc/etlded_bot.sh

mkdir -p build/legacy
cd build
  ln -s $CWD/omnibot-linux-latest.tar.gz legacy/
  # We have to use bundled lua and sdl
  cmake \
    -DCMAKE_C_FLAGS_RELEASE:STRING="$SLKCFLAGS" \
    -DCMAKE_CXX_FLAGS_RELEASE:STRING="$SLKCFLAGS" \
    -DCMAKE_INSTALL_PREFIX="/usr" \
    -DINSTALL_DEFAULT_BINDIR="bin" \
    -DINSTALL_DEFAULT_MODDIR="share/$PRGNAM" \
    -DINSTALL_DEFAULT_BASEDIR="/usr/share/$PRGNAM" \
    -DBUILD_CLIENT=1 \
    -DBUILD_SERVER=1 \
    -DBUILD_MOD=1 \
    -DBUILD_MOD_PK3=1 \
    -DBUILD_PAK3_PK3=1 \
    -DFEATURE_ANTICHEAT=1 \
    -DFEATURE_CURL=1 \
    -DFEATURE_LUA=1 \
    -DFEATURE_TRACKER=1 \
    -DFEATURE_OMNIBOT=$w_omnibot \
    -DINSTALL_OMNIBOT=$w_omnibot \
    -DFEATURE_MULTIVIEW=0 \
    -DFEATURE_CURSES=0 \
    -DCROSS_COMPILE32=0 \
    -DFEATURE_OGG_VORBIS=1 \
    -DFEATURE_FREETYPE=$w_freetype \
    -DFEATURE_OPENAL=$w_openal \
    -DFEATURE_AUTOUPDATE=0 \
    -DFEATURE_IPV6=0 \
    -DFEATURE_GETTEXT=1 \
    -DFEATURE_RENDERER2=$w_renderer \
    -DFEATURE_CROUCH=$w_crouch \
    -DFEATURE_MULTIVIEW=$w_multiview \
    -DRENDERER_DYNAMIC=0 \
    -DBUNDLED_LIBS=1 \
    -DBUNDLED_SDL=1 \
    -DBUNDLED_LUA=1 \
    -DBUNDLED_CURL=0 \
    -DBUNDLED_JPEG=0 \
    -DBUNDLED_OGG_VORBIS=0 \
    -DBUNDLED_GLEW=0 \
    -DBUNDLED_FREETYPE=0 \
    -DBUNDLED_JANSSON=1 \
    -DCMAKE_BUILD_TYPE=Release ..

  # JIC, sanitize the just-uncompressed omnibot stuff
  chown -R root:root legacy
  find -L legacy \
   \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
   -o -perm 511 \) -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 {} \;
  make
  make install DESTDIR=$PKG
cd ..

# Move man pages in the proper place
mv $PKG/usr/share/man $PKG/usr/man

# Install a script to open urls, and move two scripts to launch the client and
# the dedicated server with omnibot support in the binaries folder
install -m 0755 $CWD/files/openurl.sh $PKG/usr/bin/openurl.sh
mv $PKG/usr/share/$PRGNAM/etl*.sh $PKG/usr/bin/
chmod 755 $PKG/usr/bin/etl*.sh

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

find $PKG/usr/man -type f -exec gzip -9 {} \;
for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done

# Install an icon, a desktop file and man pages
install -m 0644 -D $CWD/files/$PRGNAM.svg \
  $PKG/usr/share/pixmaps/$PRGNAM.svg
install -m 0644 -D $CWD/files/$PRGNAM.desktop \
  $PKG/usr/share/applications/$PRGNAM.desktop
mkdir -p $PKG/usr/man/man6
gzip -9 -c docs/linux/man/man6/etl.6 > $PKG/usr/man/man6/etl.6.gz
gzip -9 -c docs/linux/man/man6/etlded.6 > $PKG/usr/man/man6/etlded.6.gz

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
mv \
  $PKG/usr/share/$PRGNAM/README.md \
  $PKG/usr/share/$PRGNAM/COPYING.txt \
  $PKG/usr/doc/$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:-tgz}