#!/bin/bash
set -e

CORE_GIT=https://github.com/minetest/minetest
CORE_BRANCH=master
CORE_NAME=minetest
GAME_GIT=https://github.com/minetest/minetest_game
GAME_BRANCH=master
GAME_NAME=minetest_game

dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
if [ $# -ne 1 ]; then
	echo "Usage: $0 <build directory>"
	exit 1
fi
builddir=$1
mkdir -p $builddir
builddir="$( cd "$builddir" && pwd )"
packagedir=$builddir/packages
libdir=$builddir/libs

# Test which win32 compiler is present
which i686-w64-mingw32-gcc &>/dev/null &&
	toolchain_file=$dir/toolchain_i686-w64-mingw32.cmake
which i686-w64-mingw32-gcc-posix &>/dev/null &&
	toolchain_file=$dir/toolchain_i686-w64-mingw32-posix.cmake

if [ -z "$toolchain_file" ]; then
	echo "Unable to determine which mingw32 compiler to use"
	exit 1
fi
echo "Using $toolchain_file"

irrlicht_version=1.9.0mt1
ogg_version=1.3.2
vorbis_version=1.3.5
curl_version=7.65.3
gettext_version=0.20.1
freetype_version=2.10.1
sqlite3_version=3.27.2
luajit_version=2.1.0-beta3
leveldb_version=1.22
zlib_version=1.2.11

mkdir -p $packagedir
mkdir -p $libdir

cd $builddir

# Get stuff
[ -e $packagedir/irrlicht-$irrlicht_version.zip ] || wget https://github.com/minetest/irrlicht/releases/download/$irrlicht_version/win32.zip \
	-c -O $packagedir/irrlicht-$irrlicht_version.zip
[ -e $packagedir/zlib-$zlib_version.zip ] || wget http://minetest.kitsunemimi.pw/zlib-$zlib_version-win32.zip \
	-c -O $packagedir/zlib-$zlib_version.zip
[ -e $packagedir/libogg-$ogg_version.zip ] || wget http://minetest.kitsunemimi.pw/libogg-$ogg_version-win32.zip \
	-c -O $packagedir/libogg-$ogg_version.zip
[ -e $packagedir/libvorbis-$vorbis_version.zip ] || wget http://minetest.kitsunemimi.pw/libvorbis-$vorbis_version-win32.zip \
	-c -O $packagedir/libvorbis-$vorbis_version.zip
[ -e $packagedir/curl-$curl_version.zip ] || wget http://minetest.kitsunemimi.pw/curl-$curl_version-win32.zip \
	-c -O $packagedir/curl-$curl_version.zip
[ -e $packagedir/gettext-$gettext_version.zip ] || wget http://minetest.kitsunemimi.pw/gettext-$gettext_version-win32.zip \
	-c -O $packagedir/gettext-$gettext_version.zip
[ -e $packagedir/freetype2-$freetype_version.zip ] || wget http://minetest.kitsunemimi.pw/freetype2-$freetype_version-win32.zip \
	-c -O $packagedir/freetype2-$freetype_version.zip
[ -e $packagedir/sqlite3-$sqlite3_version.zip ] || wget http://minetest.kitsunemimi.pw/sqlite3-$sqlite3_version-win32.zip \
	-c -O $packagedir/sqlite3-$sqlite3_version.zip
[ -e $packagedir/luajit-$luajit_version.zip ] || wget http://minetest.kitsunemimi.pw/luajit-$luajit_version-win32.zip \
	-c -O $packagedir/luajit-$luajit_version.zip
[ -e $packagedir/libleveldb-$leveldb_version.zip ] || wget http://minetest.kitsunemimi.pw/libleveldb-$leveldb_version-win32.zip \
	-c -O $packagedir/libleveldb-$leveldb_version.zip
[ -e $packagedir/openal_stripped.zip ] || wget http://minetest.kitsunemimi.pw/openal_stripped.zip \
	-c -O $packagedir/openal_stripped.zip

# Extract stuff
cd $libdir
[ -d irrlicht ] || unzip -o $packagedir/irrlicht-$irrlicht_version.zip -d irrlicht
[ -d zlib ] || unzip -o $packagedir/zlib-$zlib_version.zip -d zlib
[ -d libogg ] || unzip -o $packagedir/libogg-$ogg_version.zip -d libogg
[ -d libvorbis ] || unzip -o $packagedir/libvorbis-$vorbis_version.zip -d libvorbis
[ -d libcurl ] || unzip -o $packagedir/curl-$curl_version.zip -d libcurl
[ -d gettext ] || unzip -o $packagedir/gettext-$gettext_version.zip -d gettext
[ -d freetype ] || unzip -o $packagedir/freetype2-$freetype_version.zip -d freetype
[ -d sqlite3 ] || unzip -o $packagedir/sqlite3-$sqlite3_version.zip -d sqlite3
[ -d openal_stripped ] || unzip -o $packagedir/openal_stripped.zip
[ -d luajit ] || unzip -o $packagedir/luajit-$luajit_version.zip -d luajit
[ -d leveldb ] || unzip -o $packagedir/libleveldb-$leveldb_version.zip -d leveldb

# Get minetest
cd $builddir
if [ ! "x$EXISTING_MINETEST_DIR" = "x" ]; then
	cd /$EXISTING_MINETEST_DIR # must be absolute path
else
	[ -d $CORE_NAME ] && (cd $CORE_NAME && git pull) || (git clone -b $CORE_BRANCH $CORE_GIT)
	cd $CORE_NAME
fi
git_hash=$(git rev-parse --short HEAD)

# Get minetest_game
if [ "x$NO_MINETEST_GAME" = "x" ]; then
	cd games
	[ -d $GAME_NAME ] && (cd $GAME_NAME && git pull) || (git clone -b $GAME_BRANCH $GAME_GIT)
	cd ..
fi

irr_dlls=$(echo $libdir/irrlicht/bin/*.dll | tr ' ' ';')
vorbis_dlls=$(echo $libdir/libvorbis/bin/libvorbis{,file}-*.dll | tr ' ' ';')
gettext_dlls=$(echo $libdir/gettext/bin/lib{intl,iconv}-*.dll | tr ' ' ';')

# Build the thing
[ -d _build ] && rm -Rf _build/
mkdir _build
cd _build
cmake .. \
	-DCMAKE_INSTALL_PREFIX=/tmp \
	-DVERSION_EXTRA=$git_hash \
	-DBUILD_CLIENT=1 -DBUILD_SERVER=0 \
	-DCMAKE_TOOLCHAIN_FILE=$toolchain_file \
	\
	-DENABLE_SOUND=1 \
	-DENABLE_CURL=1 \
	-DENABLE_GETTEXT=1 \
	-DENABLE_FREETYPE=1 \
	-DENABLE_LEVELDB=1 \
	\
	-DIRRLICHT_INCLUDE_DIR=$libdir/irrlicht/include/irrlichtmt \
	-DIRRLICHT_LIBRARY=$libdir/irrlicht/lib/libIrrlichtMt.dll.a \
	-DIRRLICHT_DLL="$irr_dlls" \
	\
	-DZLIB_INCLUDE_DIR=$libdir/zlib/include \
	-DZLIB_LIBRARIES=$libdir/zlib/lib/libz.dll.a \
	-DZLIB_DLL=$libdir/zlib/bin/zlib1.dll \
	\
	-DLUA_INCLUDE_DIR=$libdir/luajit/include \
	-DLUA_LIBRARY=$libdir/luajit/libluajit.a \
	\
	-DOGG_INCLUDE_DIR=$libdir/libogg/include \
	-DOGG_LIBRARY=$libdir/libogg/lib/libogg.dll.a \
	-DOGG_DLL=$libdir/libogg/bin/libogg-0.dll \
	\
	-DVORBIS_INCLUDE_DIR=$libdir/libvorbis/include \
	-DVORBIS_LIBRARY=$libdir/libvorbis/lib/libvorbis.dll.a \
	-DVORBIS_DLL="$vorbis_dlls" \
	-DVORBISFILE_LIBRARY=$libdir/libvorbis/lib/libvorbisfile.dll.a \
	\
	-DOPENAL_INCLUDE_DIR=$libdir/openal_stripped/include/AL \
	-DOPENAL_LIBRARY=$libdir/openal_stripped/lib/libOpenAL32.dll.a \
	-DOPENAL_DLL=$libdir/openal_stripped/bin/OpenAL32.dll \
	\
	-DCURL_DLL=$libdir/libcurl/bin/libcurl-4.dll \
	-DCURL_INCLUDE_DIR=$libdir/libcurl/include \
	-DCURL_LIBRARY=$libdir/libcurl/lib/libcurl.dll.a \
	\
	-DGETTEXT_MSGFMT=`which msgfmt` \
	-DGETTEXT_DLL="$gettext_dlls" \
	-DGETTEXT_INCLUDE_DIR=$libdir/gettext/include \
	-DGETTEXT_LIBRARY=$libdir/gettext/lib/libintl.dll.a \
	\
	-DFREETYPE_INCLUDE_DIR_freetype2=$libdir/freetype/include/freetype2 \
	-DFREETYPE_INCLUDE_DIR_ft2build=$libdir/freetype/include/freetype2 \
	-DFREETYPE_LIBRARY=$libdir/freetype/lib/libfreetype.dll.a \
	-DFREETYPE_DLL=$libdir/freetype/bin/libfreetype-6.dll \
	\
	-DSQLITE3_INCLUDE_DIR=$libdir/sqlite3/include \
	-DSQLITE3_LIBRARY=$libdir/sqlite3/lib/libsqlite3.dll.a \
	-DSQLITE3_DLL=$libdir/sqlite3/bin/libsqlite3-0.dll \
	\
	-DLEVELDB_INCLUDE_DIR=$libdir/leveldb/include \
	-DLEVELDB_LIBRARY=$libdir/leveldb/lib/libleveldb.dll.a \
	-DLEVELDB_DLL=$libdir/leveldb/bin/libleveldb.dll

make -j$(nproc)

[ "x$NO_PACKAGE" = "x" ] && make package

exit 0
# EOF