CFLAGS = -Isaturn

OPT ?= -Og
LIB = ./saturn

SRC = main.o
DEP = $(patsubst %.o,%.d,$(SRC))

res = $(subst pokered/,res/,$(patsubst %.$(1),%.$(1).o,$(wildcard $(2)*.$(1))))
res_png = $(subst pokered/,res/,$(patsubst %.png,%.$(1).o,$(wildcard $(2)*.png)))

GFX_TILESETS = $(call res_png,4bpp,pokered/gfx/tilesets/)
GFX_BLOCKSETS = $(call res,bst,pokered/gfx/blocksets/)
MAPS_BLOCKS = $(call res,blk,pokered/maps/)

GENERATED = $(GFX_TILESETS) $(GFX_BLOCKSETS) $(MAPS_BLOCKS)
OBJ = $(SRC) $(GENERATED)

all: main.cue

include $(LIB)/common.mk
-include $(DEP)

define COPY_BINARY
	@mkdir -p $(dir $@)
	cp -a $< $@
endef

generated: $(GENERATED)

res/%.4bpp: pokered/%.png
	@mkdir -p $(dir $@)
	python tools/png_to_4bpp.py $< $@

%.4bpp.h:
	$(BUILD_BINARY_H)

%.4bpp.o: %.4bpp %.4bpp.h
	$(BUILD_BINARY_O)

res/%.blk: pokered/%.blk
	$(COPY_BINARY)

%.blk.h:
	$(BUILD_BINARY_H)

%.blk.o: %.blk %.blk.h
	$(BUILD_BINARY_O)

res/%.bst: pokered/%.bst
	$(COPY_BINARY)

%.bst.h:
	$(BUILD_BINARY_H)

%.bst.o: %.bst %.bst.h
	$(BUILD_BINARY_O)

%.o: | $(GFX_TILESETS)

main.elf: $(OBJ)

clean: clean-sh
clean-sh:
	rm -rf res

PHONY: generated-headers