#!/bin/bash

# Slackware build script for maelstrom

# Written by B. Watson (urchlay@slackware.uk)

# Licensed under the WTFPL. See http://www.wtfpl.net/txt/copying/ for details.

# 20211020 bkw: upstream's first update since 2002! ported to SDL2!
# - update for v3.0.7.
# - new-style icons.
# - update URLs in perl script and man page.

# 20180627 bkw: fix compile with gcc 8 (for -current).

# 20160730 bkw:
# - Fix compile with gcc 5 (for Slack 14.2). Also fix some
#   compiler warnings while I'm at it.
# - Remove warnings about multiplayer not working on 64-bit, it
#   works now.

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

PRGNAM=maelstrom
VERSION=${VERSION:-3.0.7}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

SRCNAM=Maelstrom

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 $SRCNAM-$VERSION
tar xvf $CWD/$SRCNAM-$VERSION.tar.gz
cd $SRCNAM-$VERSION
chown -R root:root .
find -L .  -perm /111 -a \! -perm 755 -a -exec chmod 755 {} \+ -o \
        \! -perm /111 -a \! -perm 644 -a -exec chmod 644 {} \+

# Look for game data in /usr/share/games/Maelstrom, not /usr/games/Maelstrom
sed -i '/GAME_INSTALLDIR=.*games/s,/games,/share/games,' configure

# 20180627 bkw: It seems structs and typedefs now share a namespace
# in gcc-8.1's g++. So rename this struct to keep the compiler happy
# on -current (and it does no harm on 14.2 either):
sed -i 's,struct *button,struct b_utton,g' buttonlist.h

CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
./configure \
  --prefix=/usr \
  --libdir=/usr/lib${LIBDIRSUFFIX} \
  --bindir=/usr/games \
  --build=$ARCH-slackware-linux

make

# 20211020 bkw: 3.0.7's make install is hard to deal with, do without.
GAMEDIR=$PKG/usr/share/games/$SRCNAM
mkdir -p $PKG/usr/games $GAMEDIR
cp -a Images Maelstrom_{Fonts,Sounds,Sprites} icon.* $GAMEDIR
rm $GAMEDIR/Images/Makefile*
install -s -m0755 $SRCNAM $SRCNAM-netd $PKG/usr/games

# CLI users would probably prefer to type 'maelstrom', not 'Maelstrom'
( cd $PKG/usr/games && ln -s $SRCNAM $PRGNAM )

install -m0755 -o root -g root $CWD/maelstrom_addon_package.pl $PKG/usr/games

mkdir -p $PKG/usr/share/applications
cp $CWD/$PRGNAM.desktop $PKG/usr/share/applications

# upstream's icon is 48x48, resize
for i in 16 32 48 64; do
  px=$( basename $i | cut -d. -f1 )
  size=${px}x${px}
  dir=$PKG/usr/share/icons/hicolor/$size/apps
  mkdir -p $dir
  convert -resize $size icon.xpm $dir/$PRGNAM.png
done

mkdir -p $PKG/usr/share/pixmaps
( cd $PKG/usr/share/pixmaps ; ln -s ../games/$SRCNAM/icon.xpm $PRGNAM.xpm )

mkdir -p $PKG/usr/man/man6
gzip -9c $CWD/$SRCNAM.6 > $PKG/usr/man/man6/$SRCNAM.6.gz
( cd $PKG/usr/man/man6
  ln -s $SRCNAM.6.gz $PRGNAM.6.gz
  ln -s $SRCNAM.6.gz $SRCNAM-netd.6.gz )

PKGDOC=$PKG/usr/doc/$PRGNAM-$VERSION
mkdir -p $PKGDOC
cp -a Changelog *.txt Docs $PKGDOC
rm -f $PKGDOC/Docs/Makefile*
cat $CWD/$PRGNAM.SlackBuild > $PKGDOC/$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