################################################################################
# Options

# ROMID - The ROM version to build.
#
# Can be set in your environment using
#     $ export ROMID=...
#
# Supported values:
#  * ntsc-beta
#  * ntsc-1.0
#  * ntsc-final
#  * pal-beta
#  * pal-final
#  * jpn-final

ROMID ?= ntsc-final

# MATCHING - Whether to build a matching ROM (1) or a custom one (0).
#
# Build a matching ROM to prove that the decompilation is accurate.
#
# If enabled, all further options are ignored and are set automatically.

MATCHING = 1

# COMPILER - Choose which compiler to use.
#
# A matching build uses ido. For non-matching builds, use gcc for performance.
#
# gcc is currently only supported when ROMID is ntsc-1.0 or ntsc-final.
#
# Supported values: ido, gcc

COMPILER = gcc

# GCC_OPT_LVL - the optimisation level if building with gcc.
#
# Supported values: -O0, -O1, -O2, -Os

GCC_OPT_LVL = -Os

# PAL - Whether to use the PAL television standard (1) or NTSC (0).
#
# PAL runs at 50Hz while NTSC is 60Hz, and PAL uses different screen dimensions.

PAL = 0

# ROMALLOCATION
#
# The lib, data and game segments are compressed in the final ROM.
#
# These options define how much space is allocated for the compressed segments.
#
# If any value is not big enough, the build system will tell you which one needs
# to be changed and what to change it to.

ROMALLOCATION_DATA = 0x015000
ROMALLOCATION_LIB  = 0x038800
ROMALLOCATION_GAME = 0x144ee0

# ROM_SIZE - The desired ROM size in megabytes.
#
# All versions of the retail ROM are 32MB.
#
# If this is too low you might get this error from ld:
# "final link failed: memory exhausted"

ROM_SIZE := 32

################################################################################

# The VERSION constant is used in the source to handle version-specific code.
ifeq ($(ROMID), ntsc-beta)
    VERSION = 0
endif
ifeq ($(ROMID), ntsc-1.0)
    VERSION = 1
endif
ifeq ($(ROMID), ntsc-final)
    VERSION = 2
endif
ifeq ($(ROMID), pal-beta)
    VERSION = 3
endif
ifeq ($(ROMID), pal-final)
    VERSION = 4
endif
ifeq ($(ROMID), jpn-final)
    VERSION = 5
endif

# Set runtime piracy checks off. We turn this on for matching builds if needed.
PIRACYCHECKS = 0

# A magic value that's only used to produce a matching ROM.
# It's required because old-school zlib was influenced by uninitialised data.
# ZIPMAGIC is the value of the uninitialised data. We set it per version for
# matching builds, otherwise 0 is fine.
ZIPMAGIC = 0x0000

# This is also a value that's only used to produce a matching ROM.
# The final ROM has some duplicate bytes, and there doesn't seem to be any logic
# for determining how many bytes are duplicated.
COPYLEN = 2

# If a matching build has been requested, override directives as needed.
ifeq ($(MATCHING), 1)
COMPILER = ido

ROMALLOCATION_DATA = 0x015000
ROMALLOCATION_LIB  = 0x038800

ROM_SIZE = 32

ifeq ($(ROMID), ntsc-beta)
    PAL = 0
    PIRACYCHECKS = 0
    ROMALLOCATION_DATA = 0x012000
    ROMALLOCATION_LIB  = 0x02f800
    ROMALLOCATION_GAME = 0x105000
endif
ifeq ($(ROMID), ntsc-1.0)
    PAL = 0
    PIRACYCHECKS = 1
    ROMALLOCATION_GAME = 0x144ee0
    ZIPMAGIC = 0xffff
endif
ifeq ($(ROMID), ntsc-final)
    PAL = 0
    PIRACYCHECKS = 1
    ROMALLOCATION_GAME = 0x144ee0
    ZIPMAGIC = 0xffff
endif
ifeq ($(ROMID), pal-beta)
    PAL = 1
    PIRACYCHECKS = 1
    ROMALLOCATION_GAME = 0x1306f0
    ZIPMAGIC = 0x0c00
    COPYLEN = 6
endif
ifeq ($(ROMID), pal-final)
    PAL = 1
    PIRACYCHECKS = 1
    ROMALLOCATION_GAME = 0x1306f0
    ZIPMAGIC = 0xaf00
endif
ifeq ($(ROMID), jpn-final)
    PAL = 0
    PIRACYCHECKS = 1
    ROMALLOCATION_GAME = 0x1296f0
    ZIPMAGIC = 0x0002
    COPYLEN = 4
endif
endif

DEFINES := \
    VERSION=$(VERSION) \
    MATCHING=$(MATCHING) \
    PAL=$(PAL) \
    PIRACYCHECKS=$(PIRACYCHECKS) \
    ROM_SIZE=$(ROM_SIZE)

C_DEFINES := $(foreach d,$(DEFINES),-D$(d))
AS_DEFINES := $(foreach d,$(DEFINES),--defsym $(d)) --defsym _LANGUAGE_ASSEMBLY=1

A_DIR := src/assets/$(ROMID)
B_DIR := build/$(ROMID)
E_DIR := extracted/$(ROMID)

ifneq ($(strip $(MIPS_BINUTILS_PREFIX)),)
    TOOLCHAIN := $(MIPS_BINUTILS_PREFIX)
else ifeq ($(shell type mips-elf-ld >/dev/null 2>/dev/null; echo $$?), 0)
    TOOLCHAIN := mips-elf
else ifeq ($(shell type mips-linux-gnu-ld >/dev/null 2>/dev/null; echo $$?), 0)
    TOOLCHAIN := mips-linux-gnu
else ifeq ($(shell type mips64-elf-ld >/dev/null 2>/dev/null; echo $$?), 0)
    TOOLCHAIN := mips64-elf
else ifeq ($(shell type mips64-linux-gnu-ld >/dev/null 2>/dev/null; echo $$?), 0)
    TOOLCHAIN := mips64-linux-gnu
else
    $(error You need to install a suitable MIPS binutils toolchain (eg. mips-elf-ld))
endif

# Asset files are files which are included in the "files" segment of the ROM.
# This excludes animations, fonts, SFX, MIDI and textures.
# And because setup files are part of the files segment they are included here,
# despite them being written in C.
#
# Create names such as $(B_DIR)/assets/files/PfooZ.
# These names (with .o added) will be dependenices for ld.
ASSET_FILES := \
	$(patsubst $(A_DIR)/files/audio/%.mp3,  $(B_DIR)/assets/files/A%M,          $(shell find $(A_DIR) -path '*/files/audio/*.mp3')) \
	$(patsubst $(A_DIR)/files/chrs/%.bin,   $(B_DIR)/assets/files/C%Z,          $(shell find $(A_DIR) -path '*/files/chrs/*.bin')) \
	$(patsubst $(A_DIR)/files/guns/%.bin,   $(B_DIR)/assets/files/G%Z,          $(shell find $(A_DIR) -path '*/files/guns/*.bin')) \
	$(patsubst $(A_DIR)/files/props/%.bin,  $(B_DIR)/assets/files/P%Z,          $(shell find $(A_DIR) -path '*/files/props/*.bin')) \
	$(patsubst src/setups/%.c,              $(B_DIR)/assets/files/U%Z,          $(shell find src/setups -name '*.c')) \
	$(patsubst $(A_DIR)/files/bgdata/%.seg, $(B_DIR)/assets/files/bgdata/%.seg, $(shell find $(A_DIR) -path '*/files/bgdata/*.seg')) \
	$(B_DIR)/assets/files/ob/ob_mid.seg.o

LANG_JSON_FILES := $(shell find $(A_DIR) -path '*/lang/*.json')
PADS_JSON_FILES := $(shell find $(A_DIR) -path '*/pads/*.json')
TILES_JSON_FILES := $(shell find $(A_DIR) -path '*/tiles/*.json')

LANG_O_FILES := \
	$(patsubst $(A_DIR)/lang/%.json, $(B_DIR)/assets/files/L%E.o, $(LANG_JSON_FILES)) \
	$(patsubst $(A_DIR)/lang/%.json, $(B_DIR)/assets/files/L%J.o, $(LANG_JSON_FILES)) \
	$(patsubst $(A_DIR)/lang/%.json, $(B_DIR)/assets/files/L%P.o, $(LANG_JSON_FILES)) \
	$(patsubst $(A_DIR)/lang/%.json, $(B_DIR)/assets/files/L%_str_f.o, $(LANG_JSON_FILES)) \
	$(patsubst $(A_DIR)/lang/%.json, $(B_DIR)/assets/files/L%_str_g.o, $(LANG_JSON_FILES)) \
	$(patsubst $(A_DIR)/lang/%.json, $(B_DIR)/assets/files/L%_str_i.o, $(LANG_JSON_FILES)) \
	$(patsubst $(A_DIR)/lang/%.json, $(B_DIR)/assets/files/L%_str_s.o, $(LANG_JSON_FILES))

PADS_O_FILES := $(patsubst $(A_DIR)/pads/%.json, $(B_DIR)/assets/files/bgdata/bg_%_padsZ.o, $(PADS_JSON_FILES))
TILES_O_FILES := $(patsubst $(A_DIR)/tiles/%.json, $(B_DIR)/assets/files/bgdata/bg_%_tilesZ.o, $(TILES_JSON_FILES))

C_FILES := $(shell find src/lib src/game src/inflate -name '*.c')
S_FILES := $(shell find src/lib src/game src/preamble -name '*.s')

C_O_FILES := $(patsubst src/%.c, $(B_DIR)/%.o, $(C_FILES))
S_O_FILES := $(patsubst src/%.s, $(B_DIR)/%.o, $(S_FILES))

O_FILES := \
	$(C_O_FILES) \
	$(S_O_FILES) \
	$(patsubst %, %.o, $(ASSET_FILES)) \
	$(LANG_O_FILES) \
	$(PADS_O_FILES) \
	$(TILES_O_FILES) \
	$(B_DIR)/assets/animations.o \
	$(B_DIR)/assets/copyrightZ.o \
	$(B_DIR)/assets/files/list.o \
	$(B_DIR)/assets/fonts/bankgothic.o \
	$(B_DIR)/assets/fonts/handelgothiclg.o \
	$(B_DIR)/assets/fonts/handelgothicmd.o \
	$(B_DIR)/assets/fonts/handelgothicsm.o \
	$(B_DIR)/assets/fonts/handelgothicxs.o \
	$(B_DIR)/assets/fonts/numeric.o \
	$(B_DIR)/assets/fonts/ocralg.o \
	$(B_DIR)/assets/fonts/ocramd.o \
	$(B_DIR)/assets/fonts/tahoma.o \
	$(B_DIR)/assets/fonts/zurich.o \
	$(B_DIR)/assets/mpstrings/mpstringsE.o \
	$(B_DIR)/assets/mpstrings/mpstringsF.o \
	$(B_DIR)/assets/mpstrings/mpstringsG.o \
	$(B_DIR)/assets/mpstrings/mpstringsI.o \
	$(B_DIR)/assets/mpstrings/mpstringsJ.o \
	$(B_DIR)/assets/mpstrings/mpstringsP.o \
	$(B_DIR)/assets/mpstrings/mpstringsS.o \
	$(B_DIR)/assets/seq.ctl.o \
	$(B_DIR)/assets/seq.tbl.o \
	$(B_DIR)/assets/sequences.o \
	$(B_DIR)/assets/sfx.ctl.o \
	$(B_DIR)/assets/sfx.tbl.o \
	$(B_DIR)/assets/textureslist.o \
	$(B_DIR)/bootloader.o \
	$(B_DIR)/firingrange.o \
	$(B_DIR)/getitle.o \
	$(B_DIR)/mpconfigs.o \
	$(B_DIR)/romheader.o \
	$(B_DIR)/rsp/asp.data.o \
	$(B_DIR)/rsp/asp.text.o \
	$(B_DIR)/rsp/gsp.data.o \
	$(B_DIR)/rsp/gsp.text.o \
	$(B_DIR)/rsp/rspboot.text.o \
	$(B_DIR)/textureconfig.o

# ntsc-beta doesn't have this segment
ifneq ($(ROMID), ntsc-beta)
    O_FILES := $(O_FILES) $(B_DIR)/assets/accessingpakZ.o
endif

ifeq ($(ROMID), jpn-final)
    O_FILES := $(O_FILES) $(B_DIR)/assets/fonts/jpn.o
else
    O_FILES := $(O_FILES) \
        $(B_DIR)/assets/fonts/jpnsingle.o \
        $(B_DIR)/assets/fonts/jpnmulti.o
endif

INCLUDES = \
    -I include \
    -I include/PR \
    -I src/include \
    -I src/generated/$(ROMID) \
    -I src/lib/ultra/audio \

AS := $(TOOLCHAIN)-as
ASFLAGS = -march=vr4300 -mabi=32 $(INCLUDES) $(AS_DEFINES)

ifeq ($(COMPILER), ido)
    RECOMP_FILES := \
        build/recomp/5.3/as1 \
        build/recomp/5.3/cc \
        build/recomp/5.3/cfe \
        build/recomp/5.3/err.english.cc \
        build/recomp/5.3/ugen \
        build/recomp/5.3/ujoin \
        build/recomp/5.3/uld \
        build/recomp/5.3/umerge \
        build/recomp/5.3/uopt \
        build/recomp/5.3/usplit \
        build/recomp/7.1/as1 \
        build/recomp/7.1/cc \
        build/recomp/7.1/cfe \
        build/recomp/7.1/err.english.cc \
        build/recomp/7.1/ugen \
        build/recomp/7.1/uopt

    LOOPUNROLL_C_FILES := \
        src/lib/ultra/gu/frustum.c \
        src/lib/ultra/gu/mtxutil.c \
        src/lib/ultra/gu/ortho.c \
        src/lib/ultra/io/conteepread.c \
        src/lib/ultra/io/conteepwrite.c \
        src/lib/ultra/io/contpfs.c \
        src/lib/ultra/io/contramread.c \
        src/lib/ultra/io/contramwrite.c \
        src/lib/ultra/io/gbpakgetstatus.c \
        src/lib/ultra/io/gbpakreadid.c \
        src/lib/ultra/io/motor.c \
        src/lib/ultra/io/pfschecker.c \
        src/lib/ultra/io/pfsfreeblocks.c \
        src/lib/ultra/io/pfsgetstatus.c \
        src/lib/ultra/io/pfsinitpak2.c

    MIPS3_C_FILES := \
        src/lib/rng_c.c \
        src/lib/ultra/libc/ll.c \
        src/lib/ultra/libc/llcvt.c

    G_C_FILES := \
        $(shell find src/lib/ultra/audio -name '*.c') \
        $(shell find src/lib/naudio -name '*.c') \
        $(shell find src/lib/mp3 -name '*.c') \
        src/lib/lib_2fc60.c \
        src/lib/lib_317f0.c \
        src/lib/lib_39c80.c \
        src/lib/lib_3e3e0.c \
        src/lib/mp3.c \
        src/lib/speaker.c

    O1_C_FILES := \
        src/lib/lib_04f60nb.c \
        src/lib/ultra/io/ai.c \
        src/lib/ultra/io/aisetnextbuf.c \
        src/lib/ultra/io/conteeplongread.c \
        src/lib/ultra/io/contquery.c \
        src/lib/ultra/io/controller.c \
        src/lib/ultra/io/dpctr.c \
        src/lib/ultra/io/pigetcmdq.c \
        src/lib/ultra/io/pidma.c \
        src/lib/ultra/io/si.c \
        src/lib/ultra/io/sp.c \
        src/lib/ultra/io/spsetpc.c \
        src/lib/ultra/io/sptaskyielded.c \
        src/lib/ultra/io/vi.c \
        src/lib/ultra/io/viblack.c \
        src/lib/ultra/io/vigetcurrframebuf.c \
        src/lib/ultra/io/vigetnextframebuf.c \
        src/lib/ultra/io/visetevent.c \
        src/lib/ultra/io/visetmode.c \
        src/lib/ultra/io/visetxscale.c \
        src/lib/ultra/io/visetyscale.c \
        src/lib/ultra/io/viswapbuf.c \
        src/lib/ultra/libc/ll.c \
        src/lib/ultra/libc/llcvt.c \
        src/lib/ultra/os/atomic.c \
        src/lib/ultra/os/createmesgqueue.c \
        src/lib/ultra/os/destroythread.c \
        src/lib/ultra/os/getmemsize.c \
        src/lib/ultra/os/gettime.c \
        src/lib/ultra/os/initialize2.c \
        src/lib/ultra/os/jammesg.c \
        src/lib/ultra/os/recvmesg.c \
        src/lib/ultra/os/resetglobalintmask.c \
        src/lib/ultra/os/sendmesg.c \
        src/lib/ultra/os/seteventmesg.c \
        src/lib/ultra/os/setglobalintmask.c \
        src/lib/ultra/os/setthreadpri.c \
        src/lib/ultra/os/settimer.c \
        src/lib/ultra/os/startthread.c \
        src/lib/ultra/os/stopthread.c \
        src/lib/ultra/os/stoptimer.c \
        src/lib/ultra/os/thread.c \
        src/lib/ultra/os/timerintr.c \
        src/lib/ultra/os/virtualtophysical.c \
        src/lib/ultra/os/yieldthread.c

    ifeq ($(ROMID), ntsc-beta)
        O1_C_FILES := $(O1_C_FILES) src/lib/ultra/io/pfsisplug.c
    endif

    O3_C_FILES := \
        src/lib/ultra/gu/align.c \
        src/lib/ultra/gu/frustum.c \
        src/lib/ultra/gu/ortho.c \
        src/lib/ultra/gu/scale.c \
        src/lib/ultra/libc/xprintf.c

    IDO71_C_FILES := \
        $(shell find src/lib/ultra/audio -name '*.c') \
        $(shell find src/lib/naudio -name '*.c') \
        $(shell find src/lib/mp3 -name '*.c') \
        src/lib/lib_2fc60.c \
        src/lib/lib_39c80.c

    LOOPUNROLL_O_FILES = $(patsubst src/%.c, $(B_DIR)/%.o, $(LOOPUNROLL_C_FILES))
    MIPS3_O_FILES = $(patsubst src/%.c, $(B_DIR)/%.o, $(MIPS3_C_FILES))
    G_O_FILES = $(patsubst src/%.c, $(B_DIR)/%.o, $(G_C_FILES))
    O1_O_FILES = $(patsubst src/%.c, $(B_DIR)/%.o, $(O1_C_FILES))
    O3_O_FILES = $(patsubst src/%.c, $(B_DIR)/%.o, $(O3_C_FILES))
    IDO71_O_FILES = $(patsubst src/%.c, $(B_DIR)/%.o, $(IDO71_C_FILES))

    LOOPUNROLL := -Wo,-loopunroll,0
    MIPSISET := -mips2
    OPT_LVL := -O2
    CC := build/recomp/5.3/cc

    $(LOOPUNROLL_O_FILES): LOOPUNROLL :=
    $(MIPS3_O_FILES): MIPSISET := -mips3
    $(G_O_FILES): OPT_LVL := -g
    $(O1_O_FILES): OPT_LVL := -O1
    $(O3_O_FILES): OPT_LVL := -O3
    $(IDO71_O_FILES): CC := build/recomp/7.1/cc

    CFLAGS = $(C_DEFINES) $(INCLUDES) \
        $(LOOPUNROLL) \
        -Wab,-r4300_mul \
        -non_shared \
        -Olimit 2000 \
        -G 0 \
        -Xcpluscomm \
        -w2 \
        -Wab,-w \
        -woff 581,649,819,820,821,838,852 \
        $(MIPSISET) -32

    # Files containing GLOBAL_ASM must be built with the asm_processor
    ifeq ($(MATCHING), 1)
        GLOBALASM_C_FILES != grep -rl 'GLOBAL_ASM(' $(C_FILES)
        GLOBALASM_O_FILES = $(patsubst src/%.c, $(B_DIR)/%.o, $(GLOBALASM_C_FILES))
        $(GLOBALASM_O_FILES): CC := /usr/bin/env python3 tools/asm_processor/build.py $(CC) -- $(TOOLCHAIN)-as $(ASFLAGS) --
    endif
else ifeq ($(COMPILER), gcc)
    CC := $(TOOLCHAIN)-gcc

    $(C_O_FILES): OPT_LVL := $(GCC_OPT_LVL)

    CFLAGS := $(C_DEFINES) -DAVOID_UB=1 $(INCLUDES) \
        -EB \
        -march=vr4300 \
        -mabi=32 \
        -mfix4300 \
        -mdivide-breaks \
        -mno-abicalls \
        -ffreestanding \
        -fno-builtin \
        -fno-common \
        -fno-inline-functions \
        -fno-merge-constants \
        -fno-strict-aliasing \
        -fno-zero-initialized-in-bss \
        -funsigned-char \
        -fwrapv \
        -Wall \
        -Werror \
        -Wno-address \
        -Wno-aggressive-loop-optimizations \
        -Wno-array-bounds \
        -Wno-int-in-bool-context \
        -Wno-int-to-pointer-cast \
        -Wno-maybe-uninitialized \
        -Wno-misleading-indentation \
        -Wno-missing-braces \
        -Wno-multichar \
        -Wno-pointer-sign \
        -Wno-pointer-to-int-cast \
        -Wno-tautological-compare \
        -Wno-uninitialized \
        -Wno-unused-but-set-variable \
        -Wno-unused-value \
        -Wno-unused-variable \
        -G 0

    $(B_DIR)/lib/ultra/libc/xldtob.o: CFLAGS += -ffast-math -fno-unsafe-math-optimizations
else
    $(error The COMPILER option must be "ido" or "gcc")
endif

# Make ROMID available as an environment variable to all tooling.
# (We use this a lot)
export ROMID

default: rom

################################################################################
# Recomp
# ------------------------------------------------------------------------------
# The ido-static-recomp project is installed as a git submodule at tools/recomp.
# The IRIX binaries are taken from that project and they are recompiled to
# build/recomp/<version>/

tools/recomp/recomp.cpp:
	@echo "Please install ido-static-recomp by running:"
	@echo
	@echo "    git submodule update --init --recursive"
	@echo
	@exit 1

build/recomp/recomp: tools/recomp/recomp.cpp
	@mkdir -p build/recomp/5.3
	@mkdir -p build/recomp/7.1
	g++ tools/recomp/recomp.cpp -o build/recomp/recomp -g -lcapstone

build/recomp/5.3/ugen:
	@mkdir -p build/recomp/5.3
	g++ tools/recomp/recomp.cpp -o build/recomp/recomp-ugen53 -g -lcapstone -Dugen53
	./build/recomp/recomp-ugen53 tools/recomp/ido/5.3/usr/lib/ugen > build/recomp/5.3/ugen.c
	gcc tools/recomp/libc_impl.c build/recomp/5.3/ugen.c -Itools/recomp -o build/recomp/5.3/ugen -O2 -fno-strict-aliasing -lm -no-pie -DIDO53

build/recomp/5.3/cc: build/recomp/recomp
	./build/recomp/recomp tools/recomp/ido/5.3/usr/bin/cc > build/recomp/5.3/cc.c
	gcc tools/recomp/libc_impl.c build/recomp/5.3/cc.c -Itools/recomp -o build/recomp/5.3/cc -O2 -fno-strict-aliasing -lm -no-pie -DIDO53

build/recomp/5.3/%: build/recomp/recomp
	./build/recomp/recomp tools/recomp/ido/5.3/usr/lib/$* > build/recomp/5.3/$*.c
	gcc tools/recomp/libc_impl.c build/recomp/5.3/$*.c -Itools/recomp -o build/recomp/5.3/$* -O2 -fno-strict-aliasing -lm -no-pie -DIDO53

build/recomp/7.1/cc: build/recomp/recomp
	./build/recomp/recomp tools/recomp/ido/7.1/usr/bin/cc > build/recomp/7.1/cc.c
	gcc tools/recomp/libc_impl.c build/recomp/7.1/cc.c -Itools/recomp -o build/recomp/7.1/cc -O2 -fno-strict-aliasing -lm -no-pie -DIDO71

build/recomp/7.1/%: build/recomp/recomp
	./build/recomp/recomp tools/recomp/ido/7.1/usr/lib/$* > build/recomp/7.1/$*.c
	gcc tools/recomp/libc_impl.c build/recomp/7.1/$*.c -Itools/recomp -o build/recomp/7.1/$* -O2 -fno-strict-aliasing -lm -no-pie -DIDO71

build/recomp/%/err.english.cc:
	@mkdir -p build/recomp/$?
	cp tools/err.english.cc build/recomp/$*

################################################################################
# ROM Finalisation Stages

# Link all objects together with ld to make stage1.elf. In this stage, the game,
# lib and data segments are uncompressed and placed past the end of the ROM.
$(B_DIR)/stage1.elf: $(O_FILES) ld/pd.ld
	cpp -DROMID=$(ROMID) -DVERSION=$(VERSION) -DROMALLOCATION_DATA=$(ROMALLOCATION_DATA) -DROMALLOCATION_LIB=$(ROMALLOCATION_LIB) -DROMALLOCATION_GAME=$(ROMALLOCATION_GAME) -DROM_SIZE=$(ROM_SIZE) -P ld/pd.ld -o $(B_DIR)/pd.ld
	$(TOOLCHAIN)-ld --no-check-sections -z muldefs -T $(B_DIR)/pd.ld --print-map -o $@ > $(B_DIR)/pd.map

$(B_DIR)/stage1.bin: $(B_DIR)/stage1.elf
	$(TOOLCHAIN)-objcopy $< $@ -O binary

# Build the final ROM from stage1.bin using mkrom
# mkrom handles calculating the piracy checksums, zipping segments and
# calculating the ROM checksum.
$(B_DIR)/pd.z64: $(B_DIR)/stage1.bin tools/mkrom/mkrom
	tools/mkrom/mkrom $(B_DIR)/stage1.bin $(B_DIR)/pd.map $(PIRACYCHECKS) $(ZIPMAGIC) $(COPYLEN) $@
	@echo -e "\033[0;32mROM written to $@\033[0m"

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

################################################################################
# Testing Related
# ---------------------
# This works a little backwards, in that the ROM has to be built to at least
# stage 2, then extract-segment is used to slice out the segments.

CHECK_FILES := $(shell awk '{print $$2}' checksums.$(ROMID).md5)

test: $(CHECK_FILES)
	@md5sum --quiet -c checksums.$(ROMID).md5

$(B_DIR)/segments/%.bin: $(B_DIR)/pd.z64
	@B_DIR=$(B_DIR) tools/extract-segment $*

################################################################################
# Raw data segments

$(B_DIR)/assets/fonts/%.o: $(A_DIR)/fonts/%.bin
	mkdir -p $(B_DIR)/assets/fonts
	TOOLCHAIN=$(TOOLCHAIN) ROMID=$(ROMID) tools/mkrawobject $< $@

$(B_DIR)/getitle.o: $(E_DIR)/getitle.bin
	TOOLCHAIN=$(TOOLCHAIN) ROMID=$(ROMID) tools/mkrawobject $< $@

$(B_DIR)/assets/seq.ctl.o: $(A_DIR)/seq.ctl
	TOOLCHAIN=$(TOOLCHAIN) ROMID=$(ROMID) tools/mkrawobject $< $@

$(B_DIR)/assets/seq.tbl.o: $(A_DIR)/seq.tbl
	TOOLCHAIN=$(TOOLCHAIN) ROMID=$(ROMID) tools/mkrawobject $< $@

$(B_DIR)/assets/sfx.ctl.o: $(A_DIR)/sfx.ctl
	TOOLCHAIN=$(TOOLCHAIN) ROMID=$(ROMID) tools/mkrawobject $< $@

$(B_DIR)/assets/sfx.tbl.o: $(A_DIR)/sfx.tbl
	TOOLCHAIN=$(TOOLCHAIN) ROMID=$(ROMID) tools/mkrawobject $< $@

################################################################################
# Asset Manager

ASSETMGR_O_FILES := \
	$(B_DIR)/assets/animations.o \
	$(LANG_O_FILES) \
	$(PADS_O_FILES) \
	$(TILES_O_FILES) \
	$(B_DIR)/assets/sequences.o \
	$(B_DIR)/assets/textureslist.o \

# Anims
$(B_DIR)/assets/animations.o: $(A_DIR)/animations.json
	tools/assetmgr/mkanims

# Lang
$(B_DIR)/assets/files/L%E.o: $(A_DIR)/lang/%.json
	tools/assetmgr/mklang $< en

$(B_DIR)/assets/files/L%J.o: $(A_DIR)/lang/%.json
	tools/assetmgr/mklang $< jp

$(B_DIR)/assets/files/L%P.o: $(A_DIR)/lang/%.json
	tools/assetmgr/mklang $< gb

$(B_DIR)/assets/files/L%_str_f.o: $(A_DIR)/lang/%.json
	tools/assetmgr/mklang $< fr

$(B_DIR)/assets/files/L%_str_g.o: $(A_DIR)/lang/%.json
	tools/assetmgr/mklang $< de

$(B_DIR)/assets/files/L%_str_i.o: $(A_DIR)/lang/%.json
	tools/assetmgr/mklang $< it

$(B_DIR)/assets/files/L%_str_s.o: $(A_DIR)/lang/%.json
	tools/assetmgr/mklang $< es

# Pads
$(B_DIR)/assets/files/bgdata/bg_%_padsZ.o: $(A_DIR)/pads/%.json
	tools/assetmgr/mkpads $<

# Pads - but this is the zipped non-obj, for make test
$(B_DIR)/assets/files/bgdata/bg_%_padsZ: $(A_DIR)/pads/%.json
	tools/assetmgr/mkpads $<

# Sequences
$(B_DIR)/assets/sequences.o: $(A_DIR)/sequences.json
	tools/assetmgr/mksequences

# Textures
$(B_DIR)/assets/textureslist.o: $(A_DIR)/textures.json
	tools/assetmgr/mktextures

# Tiles
$(B_DIR)/assets/files/bgdata/bg_%_tilesZ.o: $(A_DIR)/tiles/%.json
	tools/assetmgr/mktiles $<

# Tiles - but this is the zipped non-obj, for make test
$(B_DIR)/assets/files/bgdata/bg_%_tilesZ: $(A_DIR)/tiles/%.json
	tools/assetmgr/mktiles $<

################################################################################
# Files

# Audio
$(B_DIR)/assets/files/A%M: $(A_DIR)/files/audio/%.mp3
	@mkdir -p $(B_DIR)/assets/files
	cp $< $@

# BG segs
$(B_DIR)/assets/files/bgdata/bg_%.seg: $(A_DIR)/files/bgdata/bg_%.seg
	@mkdir -p $(B_DIR)/assets/files/bgdata
	cp $< $@

# Chrs
$(B_DIR)/assets/files/C%Z: $(A_DIR)/files/chrs/%.bin
	@mkdir -p $(B_DIR)/assets/files
	tools/rarezip $< > $@

# Guns
$(B_DIR)/assets/files/G%Z: $(A_DIR)/files/guns/%.bin
	@mkdir -p $(B_DIR)/assets/files
	tools/rarezip $< > $@

# OB seg
$(B_DIR)/assets/files/ob/ob_mid.seg.o: $(B_DIR)/assets/files/ob/ob_mid.seg
	TOOLCHAIN=$(TOOLCHAIN) ROMID=$(ROMID) tools/mkrawobject $< $@

$(B_DIR)/assets/files/ob/ob_mid.seg:
	@mkdir -p $(B_DIR)/assets/files/ob
	> $@

# Props
$(B_DIR)/assets/files/P%Z: $(A_DIR)/files/props/%.bin
	tools/rarezip $< > $@

# Stage setups
# $(A_DIR)/files/setup/foo.c
# -> B_DIR/assets/files/setup/foo.o (done here)
# -> B_DIR/assets/files/setup/foo.elf (done here)
# -> B_DIR/assets/files/setup/foo.bin (done here)
# -> B_DIR/assets/files/UsetupfooZ (done here)
# -> B_DIR/assets/files/UsetupfooZ.o (done elsewhere)
$(B_DIR)/assets/files/setup/%.o: src/setups/%.c $(ASSETMGR_O_FILES) $(RECOMP_FILES)
	@mkdir -p $(dir $@)
	$(CC) -c $(CFLAGS) -o $@ $<

$(B_DIR)/assets/files/setup/%.elf: $(B_DIR)/assets/files/setup/%.o
	TOOLCHAIN=$(TOOLCHAIN) tools/mksimpleelf $< $@

$(B_DIR)/files/setup/%.bin: $(B_DIR)/assets/files/setup/%.elf
	@mkdir -p $(dir $@)
	$(TOOLCHAIN)-objcopy $< $@ -O binary

$(B_DIR)/assets/files/U%Z: $(B_DIR)/files/setup/%.bin
	tools/rarezip $< > $@

# General target to convert any finalised file into a raw object for ld
$(B_DIR)/assets/files/%.o: $(B_DIR)/assets/files/%
	TOOLCHAIN=$(TOOLCHAIN) ROMID=$(ROMID) tools/mkrawobject $< $@

$(B_DIR)/assets/files/%.bin: $(B_DIR)/assets/files/%.elf
	$(TOOLCHAIN)-objcopy $< $@ -O binary

################################################################################
# Miscellaneous

$(B_DIR)/bootloader.o: $(E_DIR)/bootloader.bin
	@mkdir -p $(dir $@)
	TOOLCHAIN=$(TOOLCHAIN) ROMID=$(ROMID) tools/mkrawobject $< $@

$(B_DIR)/romheader.o: src/romheader/romheader.s
	$(TOOLCHAIN)-as --defsym VERSION=$(VERSION) -march=vr4300 -mabi=32 -I src/include -EB -o $@ $<

$(B_DIR)/assets/accessingpakZ: $(A_DIR)/accessingpak.bin
	tools/rarezip $< > $@

$(B_DIR)/assets/copyrightZ: $(A_DIR)/copyright.bin
	tools/rarezip $< > $@

$(B_DIR)/assets/accessingpakZ.o: $(B_DIR)/assets/accessingpakZ
	TOOLCHAIN=$(TOOLCHAIN) ROMID=$(ROMID) tools/mkrawobject $< $@

$(B_DIR)/assets/copyrightZ.o: $(B_DIR)/assets/copyrightZ
	TOOLCHAIN=$(TOOLCHAIN) ROMID=$(ROMID) tools/mkrawobject $< $@

$(B_DIR)/rsp/%.text.bin $(B_DIR)/rsp/%.data.bin: src/rsp/%.s
	@mkdir -p $(dir $@)
	armips -strequ CODE_FILE $(B_DIR)/rsp/$*.text.bin -strequ DATA_FILE $(B_DIR)/rsp/$*.data.bin $<

$(B_DIR)/rsp/%.o: $(B_DIR)/rsp/%.bin
	TOOLCHAIN=$(TOOLCHAIN) ROMID=$(ROMID) tools/mkrawobject $< $@

ifeq ($(COMPILER), ido)
$(B_DIR)/lib/rng_c.o: src/lib/rng_c.c $(ASSETMGR_O_FILES) $(RECOMP_FILES)
	@mkdir -p $(dir $@)
	$(CC) -c $(CFLAGS) $(OPT_LVL) -o $@ $<
	tools/patchmips3 $@ || rm $@

$(B_DIR)/lib/ultra/libc/llcvt.o: src/lib/ultra/libc/llcvt.c $(ASSETMGR_O_FILES) $(RECOMP_FILES)
	@mkdir -p $(dir $@)
	$(CC) -c $(CFLAGS) $(OPT_LVL) -o $@ $<
	tools/patchmips3 $@ || rm $@

$(B_DIR)/lib/ultra/libc/ll.o: src/lib/ultra/libc/ll.c $(ASSETMGR_O_FILES) $(RECOMP_FILES)
	@mkdir -p $(dir $@)
	$(CC) -c $(CFLAGS) $(OPT_LVL) $< -o $@
	tools/patchmips3 $@ || rm $@
endif

$(B_DIR)/%.o: src/%.c $(ASSETMGR_O_FILES) $(RECOMP_FILES)
	@mkdir -p $(dir $@)
	$(CC) -c $(CFLAGS) $(OPT_LVL) -o $@ $<

$(B_DIR)/%.o: src/%.s
	@mkdir -p $(dir $@)
	cpp -P -Wno-trigraphs -I include -I include/PR -I src/include $(C_DEFINES) -D_LANGUAGE_ASSEMBLY -D_MIPSEB $< | $(AS) $(ASFLAGS) -o $@

$(B_DIR)/assets/%.o: $(A_DIR)/%.c $(RECOMP_FILES)
	@mkdir -p $(dir $@)
	$(CC) -c $(CFLAGS) -o $@ $<

extract:
	ROMID=$(ROMID) tools/extract

rom: $(B_DIR)/pd.z64

clean:
	rm -rf build/$(ROMID) src/generated/$(ROMID)

allclean:
	rm -rf build/* src/generated

codeclean:
	find $(B_DIR)/game $(B_DIR)/inflate $(B_DIR)/lib -name '*.o' -delete