#!/bin/bash

# Slackware build script for sameboy

# Copyright 2023 Steven Voges <Oregon, USA>
# 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.

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

PRGNAM=sameboy
SRCNAM=SameBoy
VERSION=${VERSION:-0.15.8}
BUILD=${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 [ "$ARCH" = "x86_64" ]; then
  SLKCFLAGS="-O2 -fPIC"
  LIBDIRSUFFIX="64"
elif [ "$ARCH" = "aarch64" ]; 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 . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -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 {} \;

sed -i "s/Icon=sameboy/Icon=sameboy-AppIcon/g" FreeDesktop/sameboy.desktop

mkdir -p build
cd build
CFLAGS="$SLKCFLAGS" \
CXXFLAGS="$SLKCFLAGS" \
make -C .. sdl CONF=release
install -vDm0755 bin/SDL/$PRGNAM $PKG/usr/bin/$PRGNAM
install -vDm0644 bin/SDL/background.bmp $PKG/usr/share/$PRGNAM/background.bmp
install -vDm0644 bin/SDL/registers.sym $PKG/usr/share/$PRGNAM/registers.sym
install -vDm0644 bin/SDL/*.bin $PKG/usr/share/$PRGNAM/
mkdir -p $PKG/usr/share/$PRGNAM/Palettes
install -vDm0644 bin/SDL/Palettes/*.sbp $PKG/usr/share/$PRGNAM/Palettes/
mkdir -p $PKG/usr/share/$PRGNAM/Shaders
install -vDm0644 bin/SDL/Shaders/*.fsh $PKG/usr/share/$PRGNAM/Shaders/
cd ..
for NAME in AppIcon Cartridge ColorCartridge ; do
  for SIZE in 16 32 64 128 256 512 ; do
    install -vDm0644 FreeDesktop/$NAME/${SIZE}x$SIZE.png \
      $PKG/usr/share/icons/hicolor/${SIZE}x$SIZE/apps/${PRGNAM}-$NAME.png
  done
done
install -vDm0644 FreeDesktop/$PRGNAM.desktop $PKG/usr/share/applications/$PRGNAM.desktop

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a \
  BESS.md CHANGES.md CONTRIBUTING.md LICENSE 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