frameskip := 4
loop := 1
RLE := 1
name = badapple

DEFINES += -DFRAMESKIP=$(frameskip)

ifneq ($(loop),1)
else
DEFINES += -DLOOP=$(loop)
endif

ifneq ($(RLE),1)
input_type = diff
else
DEFINES += -DRLE
input_type = rle
endif


LDFLAGS =
CFLAGS = -Wl,--gc-sections -nostartfiles -s -static -nostdlib -Os -ffunction-sections -fdata-sections


# if pocketstation
ifeq ($(target),pocketstation)
POCKETSTATION = 1
CC = arm-none-eabi-gcc
LD = arm-none-eabi-ld
OBJCOPY = arm-none-eabi-objcopy
AS = arm-none-eabi-as

LDFLAGS += -Tldscript
CFLAGS += -march=armv4 -mtune=arm7tdmi
COPYFLAGS = -I binary -O elf32-littlearm

DEFINES += -D__POCKETSTATION__
extra_objects = head.o

else ifeq ($(target),)
CC = gcc
LD = gcc
OBJCOPY = objcopy
AS = as

COPYFLAGS = -B i386 -I binary -O elf64-x86-64
DEFINES += -D__LINUX__
else
$(error "unknown target")
endif


all: $(name)

ifdef POCKETSTATION
all: $(name).mcs

$(name).mcs: $(name).bin tools
	../tools/bin2mcs BESCEDP-00000BADAPPLE0 $< $@

$(name).bin: $(name) tools
	$(OBJCOPY) -O binary $< $@
	../tools/mcpad $@

head.o: head.s data/title.txt data/icon.bin
endif

$(name): player.o badapple_$(input_type).o $(extra_objects)
	$(LD) $(LDFLAGS) $^ -o $@

player.o: player.c
	$(CC) -c $(CFLAGS) $(DEFINES) player.c -o player.o


badapple_$(input_type).o: out_$(input_type).bin
	cp $< badapple_$(input_type).bin
	$(OBJCOPY) $(COPYFLAGS) badapple_$(input_type).bin $@
	rm badapple_$(input_type).bin

out_$(input_type).bin:
	cd ../encoder && python3 encode.py $(frameskip)
	cp ../encoder/out_$(input_type).bin .


tools:
	cd ../tools && make


data/title.txt: tools
	../tools/ascii2sjis $(name) $@

data/icon.bin: ../icon.BMP tools
	../tools/bmp_to_1bit.py $< icon1bit.bmp
	../tools/bmp2ps1b b icon1bit.bmp
	rm icon1bit.bmp
	mv icon1bit.bin $@

clean:
	rm -f *.o $(name) $(name).bin $(name).mcs out_*.bin data/icon.bin data/title.txt
	cd ../tools && make clean