# Graphics
SPRITE_PNG := $(shell find png/sprite -type f -name '*.png')
MAP_PNG    := $(shell find png/map -type f -name '*.png' -not -name '*_coll.png')
MAP_COLL   := $(shell find png/map -type f -name '*_coll.png')
MAP_ASM    := $(MAP_PNG:%.png:%.s)
ALL_2BPP   := $(SPRITE_PNG:%.png=%.2bpp) $(MAP_PNG:%.png=%.map.2bpp) $(MAP_PNG:%.png=%.tiles.2bpp)

# Code
SFILES := $(shell find src -type f -name '*.s')
OFILES := $(SFILES:%.s=%.o) $(MAP_ASM)

.PHONY: clean

is.gb is.gb.sym:$(OFILES) $(ALL_2BPP)
	rgblink -o $@ -n $@.sym $(OFILES)
	rgbfix -v $@

$(OFILES): $(ALL_2BPP)

%.o: %.s
	rgbasm -i inc -o $@ $<

png/map/%.tiles.2bpp png/map/%.map.2bpp: png/map/%.png
	rgbgfx -u -t $(<:%.png=%.map.2bpp) -o $(<:%.png=%.tiles.2bpp) $<

png/map/%.s: png/map/%_coll.png
	python scripts/generate_coll_map.py -o $@ $<

png/sprite/%.2bpp: png/sprite/%.png
	rgbgfx -o $@ $<

clean:
	rm -f is.gb is.gb.sym $(ALL_2BPP) $(OFILES) $(MAP_ASM)