#!/bin/bash

# Slackware build script for ECWolf

# Original author: Hunter Sezen.
# Modified and now maintained by B. Watson <urchlay@slackware.uk>.

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

# 20251215 bkw: update for v1.4.2.

# 20241205 bkw: BUILD=2.
# - add patch from Brent Spillner, which fixes compilation on -current.

# 20240904 bkw:
# - new maintainer.
# - update for v1.4.1.
# - new version has .desktop and icon, so add doinst.sh.

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

PRGNAM=ecwolf
VERSION=${VERSION:-1.4.2}
BUILD=${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 [ "$ARCH" = "i586" ]; then
  SLKCFLAGS="-O2 -march=i586 -mtune=i686"
elif [ "$ARCH" = "i686" ]; then
  SLKCFLAGS="-O2 -march=i686 -mtune=i686"
elif [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
else
  SLKCFLAGS="-O2"
fi

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION-src
tar xvf $CWD/$PRGNAM-$VERSION-src.tar.xz
cd $PRGNAM-$VERSION-src
chown -R root:root .
find . ! -type l    -a \
  \(     -perm /111 -a ! -perm 755 -a -exec chmod -f 755 {} + \) -o \
  \(   ! -perm /111 -a ! -perm 644 -a -exec chmod -f 644 {} + \)

# 20241205 bcs: remove inappropriate const qualifier from
# TWeakPtr::Swap() argument.
# 20251215 bkw: no longer needed in 1.4.2, but keep around for a while.
[ "$VERSION" = "1.4.1" ] && patch -p1 < $CWD/ecwolf-gcc-14.patch

# 20251215 bkw: hardcoded stuff, not touched by cmake variables.
# This used to be /usr, changed to /usr/local in 1.4.2, change it back.
sed -i 's,/usr/local,/usr,g' src/versiondefs.h src/wl_iwad.cpp

mkdir -p build
cd build
  cmake \
    -DCMAKE_C_FLAGS_RELEASE="$SLKCFLAGS -DNDEBUG" \
    -DCMAKE_CXX_FLAGS_RELEASE="$SLKCFLAGS -DNDEBUG" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DCMAKE_INSTALL_MANDIR=man \
    -DCMAKE_INSTALL_DOCDIR=doc/$PRGNAM-$VERSION \
    -Wno-dev \
    -DCMAKE_BUILD_TYPE=Release ..
  make VERBOSE=1
  make install/strip DESTDIR=$PKG
  install -Dm0644 $PRGNAM.pk3 $PKG/usr/share/games/$PRGNAM/$PRGNAM.pk3
cd ..

gzip -9 $PKG/usr/man/man*/*

# 20240904 bkw: empty dir for the data files.
mkdir -p $PKG/usr/share/games/wolf3d

PKGDOC=$PKG/usr/doc/$PRGNAM-$VERSION
mkdir -p $PKGDOC
mv $PKG/usr/share/doc/$PRGNAM/* $PKGDOC
rm -rf $PKG/usr/share/doc
cp -a README.md docs/*.txt $PKGDOC
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