src = $(wildcard src/*.cc) \
	  $(wildcard src/audio/*.cc) \
	  $(wildcard src/machine/*.cc) \
	  $(wildcard src/blobs/*.cc) \
	  $(wildcard src/imgui/*.cc)
csrc = $(wildcard src/*.c) \
	   $(wildcard src/machine/*.c) \
	   $(wildcard src/blobs/*.c)
obj = $(src:.cc=.o) $(csrc:.c=.o)
dep = $(obj:.o=.d)
bin = demo

opt = -O3 -ffast-math
dbg = -g

incpath = -Isrc -Isrc/machine -I/usr/local/include `pkg-config --cflags sdl2`
#libpath = -L/usr/local/lib

warn = -pedantic -Wall

CFLAGS = $(warn) $(opt) $(dbg) $(incpath) -fopenmp
CXXFLAGS = -std=c++11 $(warn) $(opt) $(dbg) $(incpath) -fopenmp
LDFLAGS = $(libpath) -ldrawtext $(libgl_$(sys)) $(libal_$(sys)) -lm -lgmath -lvmath \
		  -limago -lresman -lpthread -lassimp -ltreestore -lgoatvr \
		  `pkg-config --libs sdl2 freetype2` -lpng -ljpeg -lz -lvorbisfile -lgomp

sys ?= $(shell uname -s | sed 's/MINGW.*/mingw/')
libgl_Linux = -lGL -lGLU -lGLEW
libgl_Darwin = -framework OpenGL -lGLEW
libgl_mingw = -lopengl32 -lglu32 -lglew32
#libgl_mingw = -lglu32 -Wl,-Bstatic -lglew32 -Wl,-Bdynamic -lopengl32

libal_Linux = -lopenal
libal_Darwin = -framework OpenAL
libal_mingw = -lopenal

ifeq ($(sys), mingw)
	obj = $(src:.cc=.w32.o) $(csrc:.c=.w32.o)
	dep	= $(obj:.o=.d)

	bin = demo.exe
	LDFLAGS += -lmingw32 -lSDL2main -lSDL2 -lwinmm -mwindows
	#CFLAGS += -DGLEW_STATIC
	#CXXFLAGS += -DGLEW_STATIC
endif

$(bin): .clang_complete $(obj)
	$(CXX) -o $@ $(obj) $(LDFLAGS)

.PHONY: cross
cross:
	$(MAKE) CC=i686-w64-mingw32-gcc CXX=i686-w64-mingw32-g++ sys=mingw

.PHONY: cross-clean
cross-clean:
	$(MAKE) CC=i686-w64-mingw32-gcc CXX=i686-w64-mingw32-g++ sys=mingw clean

.PHONY: instalien
instalien: demo.exe
	cp $< /alien/demo/$<
	mkdir -p /alien/demo/sdr && cp sdr/* /alien/demo/sdr/
	for i in `tools/dlldepends | grep -v '++'`; do echo $$i; rsync $$i /alien/demo; done

.clang_complete: Makefile
	rm -f $@
	for i in $(CXXFLAGS); do echo $$i >>$@; done

-include $(dep)

%.d: %.c
	@$(CPP) $(CFLAGS) $< -MM -MT $(@:.d=.o) >$@

%.d: %.cc
	@$(CPP) $(CXXFLAGS) $< -MM -MT $(@:.d=.o) >$@

%.w32.o: %.c
	$(CC) -o $@ $(CFLAGS) -c $<

%.w32.o: %.cc
	$(CC) -o $@ $(CXXFLAGS) -c $<

.PHONY: clean
clean:
	rm -f $(obj) $(bin)

.PHONY: cleandep
cleandep:
	rm -f $(dep)

.PHONY: data
data:
	tools/prepare_data