ifndef config
  config=debug_gnu64
endif

.PHONY: all clean

compiler = gcc
tool_compiler = gcc
linker = gcc
includes = -I./
cflags = $(includes) $(conf_cflags) \
  -Wall -Wextra -pedantic -std=c90
lflags = $(libs) $(conf_lflags)
target = 1bitjam
int_dir = intermediate
data_dir = data
convimg = convimg
convanim = convanim
packassets = packassets
pack = pack.h

ifeq ($(config), debug_gnu64)
  compiler = gcc
  tool_compiler = gcc
  linker = gcc
  conf_cflags = -DDEBUG -Dplat_x11 -Dplat_x86 \
    -Dplat_posix -Dallocation_default_alignment=8 \
    -Dplat_pulse \
    -g
  libs = -lX11 -lXi -lpulse -lpulse-simple -lpthread -lm
endif

ifeq ($(config), release_gnu64)
  compiler = gcc
  tool_compiler = gcc
  linker = gcc
  conf_cflags = -DNDEBUG -Dplat_x11 -Dplat_x86 \
    -Dplat_posix -Dallocation_default_alignment=8 \
    -Dplat_pulse \
    -s -O3 -m64
  conf_lflags = -m64 -s
  libs = -lX11 -lXi -lpulse -lpulse-simple -lpthread -lm
endif

sources = \
	1bitjam.c \
	animation.c \
	asset.c \
	map.c \
	maths.c \
	memory.c \
	particle.c \
	physics.c \
	plat.c \
	player.c \
	rect.c \
	render.c \
	world.c \

image_sources = \
	$(int_dir)/arms.bmp \
	$(int_dir)/guy.bmp \
	$(int_dir)/map.bmp \
	$(int_dir)/mask.bmp \

anim_sources = \
	$(int_dir)/guy_fall_left.anm \
	$(int_dir)/guy_fall_right.anm \
	$(int_dir)/guy_idle_left.anm \
	$(int_dir)/guy_idle_right.anm \
	$(int_dir)/guy_jump_left.anm \
	$(int_dir)/guy_jump_right.anm \
	$(int_dir)/guy_run_left.anm \
	$(int_dir)/guy_run_right.anm \
	$(int_dir)/slash_right.anm \
	$(int_dir)/slash_left.anm \

objects    = $(sources:%.c=%.o)
images     = $(image_sources:$(int_dir)/%.bmp=$(data_dir)/%.img)
animations = $(anim_sources:$(int_dir)/%.anm=$(data_dir)/%.anm)

all: $(target) $(pack)

$(objects): %.o : %.c | $(pack)
	$(compiler) -MMD -MF $(basename $@).d $(cflags) -o $@ -c $<

$(images): $(data_dir)/%.img : $(int_dir)/%.bmp | $(convimg) $(data_dir)
	./$(convimg) $< $@

$(animations): $(data_dir)/%.anm : $(int_dir)/%.anm | $(convanim) $(data_dir)
	./$(convanim) $< $@

$(pack): $(packassets) $(images) $(animations)
	./$(packassets) \
		$(pack) \
		$(data_dir) \
		$(notdir $(animations)) \
		$(notdir $(images))

$(convimg): convimg.c
	$(tool_compiler) convimg.c $(cflags) -o $@

$(convanim): convanim.c
	$(tool_compiler) convanim.c $(cflags) -o $@

$(packassets): packassets.c
	$(tool_compiler) packassets.c $(cflags) -o $@

$(target): $(objects)
	$(linker) $(objects) -o $@ $(lflags)

$(data_dir):
	mkdir -p $(data_dir)

clean:
	rm *.d
	rm *.o
	rm $(pack)
	rm -r $(data_dir)
	rm $(target)
	rm $(convimg)
	rm $(convanim)

-include $(sources:%.c=%.d)