#
#    Raw Game Engine
#    Copyright (C) 2023  Ernest Deak
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <https://www.gnu.org/licenses/>.
#

PROJECT=rge

AS = nasm

ASFLAGS = -felf64 -g -Wall -D RG_ANIM_SPRITE_OFFSET=0
ASFLAGS_WIN = -fwin64 -DWIN64 -g -Wall -D RG_ANIM_SPRITE_OFFSET=0

LIBS = -lSDL2 -lSDL2_image -lSDL2_ttf
BUILDDIR = ./build

AOBJ = $(addprefix ${BUILDDIR}/, img_subsys.o ttf_subsys.o rge.o dummy.o)

DISTDIR = dist/${PROJECT}_linux/
W64_DISTDIR = dist/${PROJECT}_win64/

W64_SDL2 = ../w64-SDL2/x86_64-w64-mingw32/bin/
W64_SDL2_Image = ../SDL2_image-2.6.3/x86_64-w64-mingw32/bin/
W64_SDL2_TTF = ../SDL2_ttf-2.20.2/x86_64-w64-mingw32/bin/

CFLAGS = -pie

all: prep ${AOBJ} src/base.c
	gcc ${LIBS} ${CFLAGS} -O3  ${BUILDDIR}/*.o src/*.c -o bin/${PROJECT}

prep:
	mkdir -p build/

${BUILDDIR}/%.o : src/%.asm inc/generic.inc
	${AS} ${ASFLAGS} $< -o $@

${BUILDDIR}/dummy.o : dummy.asm 
	${AS} ${ASFLAGS} $< -o $@

doc:
	mkdir doc_src
	asmdoc -d doc_src/ src/*.asm inc/*.inc include/*


dist: all
	mkdir -p ${DISTDIR}
	mv bin/${PROJECT} ${DISTDIR}
	rsync -a res ${DISTDIR}/

distwin: win
	mkdir -p ${W64_DISTDIR}
	mv bin/${PROJECT}.exe ${W64_DISTDIR}/
	cp ${W64_SDL2}/SDL2.dll ${W64_DISTDIR}
	cp ${W64_SDL2_Image}/SDL2_image.dll ${W64_DISTDIR}
	cp ${W64_SDL2_TTF}/SDL2_ttf.dll ${W64_DISTDIR}
	rsync -a res ${W64_DISTDIR}/

distall:
	make clean
	make dist
	tar -cvzf ../${PROJECT}_linux.tgz ${DISTDIR}
	make clean
	make distwin
	zip -r ../${PROJECT}_win64.zip ${W64_DISTDIR} 
	make clean

distclean:
	rm -fr dist/

winprep: prep
	for file in src/*.asm dummy.asm; do \
		${AS} ${ASFLAGS_WIN} $$file -o ${BUILDDIR}/$$(basename -s .asm $$file).o; \
	done


win: winprep src/base.c
	x86_64-w64-mingw32-gcc -Wl,-subsystem,windows -lmingw32 ${BUILDDIR}/*.o src/base.c -o bin/${PROJECT}.exe ${LIBS} -lSDL2main

# Might be usefull for smaller binary
manual_link:
	${AS} ${ASFLAGS} dummy.asm -o ${BUILDDIR}/dummy.o
	${CC} -c src/base.c -o ${BUILDDIR}/base.o
#	gcc ${LIBS} -pie -Wl,-pie src/test.o src/base.c 
	ld ${LIBS} -eRG_Main -lc --dynamic-linker=/lib64/ld-linux-x86-64.so.2 -pie ${BUILDDIR}/*.o -o bin/rge
	

windis:
	objdump -d -Mintel ${W64_DISTDIR}/${PROJECT}.exe

lxdis:
	objdump -d -Mintel ${DISTDIR}/${PROJECT}

clean:
	rm -rf ${BUILDDIR} bin/* doc_src/


.