#!/bin/bash

# Slackware build script for gzdoom

# Written by B. Watson (yalhcru@gmail.com)

PRGNAM=gzdoom
VERSION=${VERSION:-1.5.06}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}

if [ -z "$ARCH" ]; then
  case "$( uname -m )" in
    i?86) ARCH=i486 ;;
    arm*) ARCH=arm ;;
       *) ARCH=$( uname -m ) ;;
  esac
fi

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

if [ "$ARCH" = "i486" ]; then
  SLKCFLAGS="-O2 -march=i486 -mtune=i686"
  LIBDIRSUFFIX=""
elif [ "$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.tar.gz
cd $PRGNAM-$VERSION
chown -R root:root .
find . \
 \( -perm 777 -o -perm 775 -o -perm 711 -o -perm 555 -o -perm 511 \) \
 -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 600 -o -perm 444 -o -perm 440 -o -perm 400 \) \
 -exec chmod 644 {} \;

# fmodapi MIDI support tries to find its lib in the current dir, fix it:
sed -i \
  "s,setPluginPath(progdir),setPluginPath(\"/usr/lib$LIBDIRSUFFIX/$PRGNAM\")," \
  src/sound/fmodsound.cpp

mkdir -p build
cd build
  cmake \
    -DCMAKE_C_FLAGS:STRING="$SLKCFLAGS -DSHARE_DIR=\\\"/usr/share/games/doom\\\"" \
    -DCMAKE_CXX_FLAGS:STRING="$SLKCFLAGS -DSHARE_DIR=\\\"/usr/share/games/doom\\\"" \
    -DCMAKE_INSTALL_PREFIX=/usr \
    -DLIB_SUFFIX=${LIBDIRSUFFIX} \
    -DMAN_INSTALL_DIR=/usr/man \
    -DCMAKE_BUILD_TYPE=Release ..
  make
  mkdir -p $PKG/usr/bin $PKG/usr/share/games/doom
  install -m0755 -s $PRGNAM $PKG/usr/bin/$PRGNAM
  install -m0644 *.pk3 $PKG/usr/share/games/doom/

  # If fmodapi support was compiled in:
  if [ -e liboutput_sdl.so ]; then
    mkdir -p $PKG/usr/lib$LIBDIRSUFFIX/$PRGNAM
    install -m0755 -s liboutput_sdl.so $PKG/usr/lib$LIBDIRSUFFIX/$PRGNAM/liboutput_sdl.so
  fi
cd ..

# .desktop written for this SlackBuild
mkdir -p $PKG/usr/share/applications
cat $CWD/$PRGNAM.desktop > $PKG/usr/share/applications/$PRGNAM.desktop

# PNG converted from Windows icon
mkdir -p $PKG/usr/share/pixmaps
cat $CWD/$PRGNAM.png > $PKG/usr/share/pixmaps/$PRGNAM.png

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a docs/* $PKG/usr/doc/$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}