compile_nfs

#!/usr/bin/env bash

BUILD="x86"
BUILD_TYPE="release"
BUILD_WINDOWS="no"
OPENGL_DEFINE=""
OPENGL_LIBS="-lGL"
ANDROID_INSTALL="no"
ANDROID_RUN="no"
BUILD_CPP="yes"
REMOVE_CPP_OBJ="yes"
CPP_LTO="-flto"

OS=$(uname)

function compile_x86
{
	CPU_FLAGS='-mno-sse2 -mno-sse -mno-mmx'
	COMMON_FLAGS='-Wall -m32 -std=gnu89'

	echo -n "Building"
	if [[ $BUILD_TYPE == "debug" ]]; then
		echo -n " debug"
		WIN_SUBSYSTEM='console'
		DEBUG_ASM='-g dwarf2'
		C_FLAGS="$COMMON_FLAGS -g $CPU_FLAGS"
	else
		echo -n " release"
		WIN_SUBSYSTEM='windows'
		C_FLAGS="$COMMON_FLAGS -O2 $CPU_FLAGS"
		STRIP='-s'
	fi

	rm -f *.o

	echo -n " for"
	if [[ $BUILD_WINDOWS == "yes" ]]; then
		echo -n " Windows... "
		i686-w64-mingw32-windres Windows/nfs2se.rc icon.o &&
		i686-w64-mingw32-gcc $C_FLAGS $OPENGL_DEFINE -c *.c &&
		yasm -f win32 Asm/NFS2SE.asm -o NFS2SE.Win32.o $DEBUG_ASM --prefix=_ &&
		i686-w64-mingw32-ld --enable-stdcall-fixup -o "../Need For Speed II SE/nfs2se.exe" *.o --stack=0x7D00,0x7D00 --heap=0x2000,0x1000 -lws2_32 -lwinmm -lkernel32 -lmingwex -lmsvcrt -lopengl32 -lSDL2 -subsystem=$WIN_SUBSYSTEM $STRIP -e _start &&
		rm -f *.o &&
		echo "OK!"
	else
		if [ $OS == "Darwin" ]; then
			echo -n " macOS... "
			clang $C_FLAGS $OPENGL_DEFINE -DSTACK_REALIGN -DSWAP_WINDOW_AND_GL_THREAD -c *.c -mmacosx-version-min=10.6 &&
			yasm -f macho Asm/NFS2SE.asm -o NFS2SE.OSX.o --prefix=_ -DSWAP_WINDOW_AND_GL_THREAD &&
			ld -o "../Need For Speed II SE/nfs2se" *.o -lc -lSDL2 -framework OpenGL -macosx_version_min 10.6 -e _start &&
			rm -f *.o &&
			echo "OK!"
		else
			if [ -z $CC ]; then
				CC=gcc
			fi
			echo -n " $OS ($CC)... "
			yasm -f elf32 Asm/NFS2SE.asm -o NFS2SE.Elf32.o $DEBUG_ASM &&
			$CC -no-pie -nostartfiles $C_FLAGS -DNEED_DSO_HANDLE -DSTACK_REALIGN $OPENGL_DEFINE -o "../Need For Speed II SE/nfs2se" NFS2SE.Elf32.o *.c -lSDL2 $OPENGL_LIBS $STRIP -Wl,-rpath=\$ORIGIN -Wl,-estart &&
			rm -f NFS2SE.Elf32.o &&
			echo "OK!"
		fi
	fi
}

function compile_cpp
{
	if [ $(uname -m) == "x86_64" ]; then
		CPU_FLAGS="-m32"
	fi

	echo "Compiling C++ translation. It can take a long time and consume a lot of memory!"

	if [[ $BUILD_TYPE == "debug" ]]; then
		FLAGS="-O0 -g"
		echo "Compiling debug..."
	else
		FLAGS="-Ofast $CPP_LTO -s -march=native -DNDEBUG"
		echo "Compiling release..."
	fi

	if [[ $BUILD_CPP == "yes" ]]; then
		gcc -c -std=c++14 $CPU_FLAGS $FLAGS -w Cpp/NFS2SE.cpp -fpermissive -fno-rtti -fno-exceptions || exit 1
	fi
	gcc -no-pie -o "../Need For Speed II SE/nfs2se" -std=gnu89 $CPU_FLAGS $FLAGS $OPENGL_DEFINE -DNFS_CPP -w *.c NFS2SE.o -lSDL2 $OPENGL_LIBS -lm
	if [[ $REMOVE_CPP_OBJ == "yes" ]]; then
		rm -f NFS2SE.o
	fi
}

while (( $# > 0 ))
do
	key=$1
	case $key in
		cpp|android)
			BUILD=$key
		;;
		debug)
			BUILD_TYPE="debug"
		;;
		win32)
			BUILD_WINDOWS="yes"
		;;
		gl1)
			OPENGL_DEFINE="-DOPENGL1X"
		;;
		gles2)
			OPENGL_DEFINE="-DGLES2"
			OPENGL_LIBS="-lGLESv2"
		;;
		install)
			ANDROID_INSTALL="yes"
			ANDROID_RUN="no"
		;;
		install-run)
			ANDROID_INSTALL="yes"
			ANDROID_RUN="yes"
		;;
		dont-build-cpp)
			BUILD_CPP="no"
			REMOVE_CPP_OBJ="no"
		;;
		dont-remove-cpp-obj)
			REMOVE_CPP_OBJ="no"
		;;
		dont-use-lto)
			CPP_LTO=""
		;;
	esac
	shift
done

cd src || exit 1

if [[ $BUILD != "android" ]]; then
	if [[ $OPENGL_DEFINE == "-DOPENGL1X" ]]; then
		echo "Building OpenGL 1"
	elif [[ $OPENGL_DEFINE == "-DGLES2" ]]; then
		if [[ $OS == "Darwin" ]]; then
			echo "OpenGL|ES 2 is not supported on macOS"
			exit 1
		fi
		if [[ $BUILD_WINDOWS == "yes" ]]; then
			echo "OpenGL|ES 2 is not supported on Windows"
			exit 1
		fi
		echo "Building OpenGL|ES 2"
	else
		echo "Building OpenGL 2"
	fi
fi

if [[ $BUILD == "cpp" ]]; then
	if [[ $OS == "Darwin" ]]; then
		echo "C++ translation is not supported on macOS"
		exit 1
	fi
	if [[ $BUILD_WINDOWS == "yes" ]]; then
		echo "C++ translation is not supported on Windows"
		exit 1
	fi
	compile_cpp $@
elif [[ $BUILD == "android" ]]; then
	VERSION=`../version`
	echo "Wrapper version: $VERSION"
	cd Android || exit 1
	sed "s/@VERSION@/$VERSION/" AndroidManifest.xml.in > AndroidManifest.xml
	$ANDROID_NDK_ROOT/ndk-build || exit 1
	$ANDROID_HOME/tools/android update project -p . -t android-16 --subprojects || exit 1
	ant debug || exit 1
	if [[ $ANDROID_INSTALL == "yes" ]]; then
		adb install -r bin/NFSIISE-debug.apk || exit 1
		if [[ $ANDROID_RUN == "yes" ]]; then
			sleep 0.25
			adb shell am start -n org.zaps166.NFSIISE/org.zaps166.NFSIISE.NFSIISE
		fi
	fi
else
	compile_x86 $@
fi