src = $(wildcard src/*.c)
ssrc = $(wildcard src/*.s)
obj = $(src:.c=.o) $(ssrc:.s=.o) $(dataobj)
dep = $(src:.c=.d)
name = gbajam21
elf = $(name).elf
bin = $(name).gba

audata = data/audio/popcorn.mod
dataobj = data/aas_data.o

libs = libs/aas/libaas.a

TCPREFIX = arm-none-eabi-

CPP = $(TCPREFIX)cpp
CC = $(TCPREFIX)gcc
AS = $(TCPREFIX)as
OBJCOPY = $(TCPREFIX)objcopy
OBJDUMP = $(TCPREFIX)objdump
EMU = vbam

opt = -O3 -fomit-frame-pointer -mcpu=arm7tdmi -mtune=arm7tdmi -mthumb -mthumb-interwork
#dbg = -g
inc = -I. -Ilibs/aas

CFLAGS = $(opt) $(dbg) -pedantic -Wall -MMD $(def) $(inc)
ASFLAGS = -mthumb-interwork
LDFLAGS = -mthumb -mthumb-interwork $(libs)
EMUFLAGS = -T 100 -f 1 --agb-print

-include cfg.mk

.PHONY: all
all: $(bin) $(bin_mb)

$(bin): $(elf)
	$(OBJCOPY) -O binary $(elf) $(bin)
	gbafix -r0 $(bin)

$(elf): data/aas_data.h $(obj) $(libs)
	$(CC) -o $(elf) $(obj) -specs=gba.specs $(LDFLAGS)

-include $(dep)

tools/pngdump/pngdump:
	$(MAKE) -C tools/pngdump

tools/conv2aas/conv2aas:
	$(MAKE) -C tools/conv2aas

#data/sprites.raw: data/sprites1.png data/sprites2.png data/sprites3.png data/sprites4.png data/sprites5.png data/sprites6.png
#	tools/pngdump/pngdump -o $@ -n $^

%.raw: %.png tools/pngdump/pngdump
	tools/pngdump/pngdump -o $@ -n $<

%.pal: %.png tools/pngdump/pngdump
	tools/pngdump/pngdump -o $@ -c $<

data/aas_data.h: data/aas_data.s

data/aas_data.s: $(audata) tools/conv2aas/conv2aas
	tools/conv2aas/conv2aas data/audio

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

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

.PHONY: cleanlibs
cleanlibs:
	$(MAKE) -C libs/aas clean

.PHONY: install
install: $(bin)
	if2a -n -f -W $<

.PHONY: run
run: $(bin_mb)
	if2a -m $<

.PHONY: simrun
simrun: $(bin)
	$(EMU) $(EMUFLAGS) $(bin)

.PHONY: disasm
disasm: $(elf)
	$(OBJDUMP) -d $< >$@

.PHONY: libs
libs: $(libs)

libs/aas/libaas.a:
	$(MAKE) -C libs/aas