# Build options can be changed by modifying the makefile or by building with 'make SETTING=value'.
# It is also possible to override the settings in Defaults in a file called .make_options.mk as 'SETTING=value'.

-include .make_options.mk

MAKEFLAGS += --no-builtin-rules

# Ensure the build fails if a piped command fails
SHELL = /usr/bin/env bash
.SHELLFLAGS = -o pipefail -c

# OS Detection
ifeq ($(OS),Windows_NT)
  DETECTED_OS = windows
  MAKE = make
  VENV_BIN_DIR = Scripts
  ICONV = iconv
else
  UNAME_S := $(shell uname -s)
  ifeq ($(UNAME_S),Linux)
    DETECTED_OS = linux
    MAKE = make
    VENV_BIN_DIR = bin
    ICONV = iconv
  endif
  ifeq ($(UNAME_S),Darwin)
    DETECTED_OS = macos
    MAKE = gmake
    VENV_BIN_DIR = bin
    # The default iconv on macOS has some differences from GNU iconv, so we use the Homebrew version instead
    ICONV = $(shell brew --prefix)/opt/libiconv/bin/iconv
  endif
endif


#### Defaults ####

# Target game version. Currently only the following version is supported:
#   n64-us   N64 USA (default)
VERSION ?= n64-us
# If COMPARE is 1, check the output md5sum after building
COMPARE ?= 1
# If NON_MATCHING is 1, define the NON_MATCHING C flag when building
NON_MATCHING ?= 0
# If ORIG_COMPILER is 1, compile with QEMU_IRIX and the original compiler
ORIG_COMPILER ?= 0
# If COMPILER is "gcc", compile with GCC instead of IDO.
COMPILER ?= ido
# if WERROR is 1, pass -Werror to CC_CHECK, so warnings would be treated as errors
WERROR ?= 0
# Keep .mdebug section in build
KEEP_MDEBUG ?= 0
# Disassembles all asm from the ROM instead of skipping files which are entirely in C
FULL_DISASM ?= 0
# Check code syntax with host compiler
RUN_CC_CHECK ?= 1
CC_CHECK_COMP ?= gcc
# Dump build object files
OBJDUMP_BUILD ?= 0
# Force asm processor to run on every file
ASM_PROC_FORCE ?= 0
# Number of threads to disassmble, extract, and compress with
N_THREADS ?= $(shell nproc)
# MIPS toolchain prefix
MIPS_BINUTILS_PREFIX ?= mips-linux-gnu-
# Python virtual environment
VENV ?= .venv
# Python interpreter
PYTHON ?= $(VENV)/$(VENV_BIN_DIR)/python3
# Emulator w/ flags
N64_EMULATOR ?=

#### Setup ####

# Ensure the map file being created using English localization
export LANG := C

CFLAGS :=
CPPFLAGS :=

ifeq ($(VERSION),n64-us)
# Intentionally blank for now
else
$(error Unsupported version $(VERSION))
endif

ifeq ($(COMPILER),gcc)
  CPPFLAGS += -DCOMPILER_GCC
  NON_MATCHING := 1
  RUN_CC_CHECK := 0
endif

ifneq ($(NON_MATCHING),0)
  CFLAGS += -DNON_MATCHING -DAVOID_UB
  CPPFLAGS += -DNON_MATCHING -DAVOID_UB
  COMPARE := 0
endif

DISASM_FLAGS := --reg-names=o32
ifneq ($(FULL_DISASM), 0)
  DISASM_FLAGS += --all
endif

PROJECT_DIR   := $(dir $(realpath $(firstword $(MAKEFILE_LIST))))

BASEROM_DIR   := baseroms/$(VERSION)
BUILD_DIR     := build/$(VERSION)
EXTRACTED_DIR := extracted/$(VERSION)


#### Tools ####
ifneq ($(shell type $(MIPS_BINUTILS_PREFIX)ld >/dev/null 2>/dev/null; echo $$?), 0)
  $(error Unable to find $(MIPS_BINUTILS_PREFIX)ld. Please install or build MIPS binutils, commonly mips-linux-gnu. (or set MIPS_BINUTILS_PREFIX if your MIPS binutils install uses another prefix))
endif

# Detect compiler and set variables appropriately.
ifeq ($(COMPILER),gcc)
  CC       := $(MIPS_BINUTILS_PREFIX)gcc
  CCAS     := $(CC) -x assembler-with-cpp
else ifeq ($(COMPILER),ido)
  CC       := tools/ido_recomp/$(DETECTED_OS)/7.1/cc
  CC_OLD   := tools/ido_recomp/$(DETECTED_OS)/5.3/cc
  CCAS     := $(CC_OLD)
else
$(error Unsupported compiler. Please use either ido or gcc as the COMPILER variable.)
endif

# if ORIG_COMPILER is 1, check that either QEMU_IRIX is set or qemu-irix package installed
ifeq ($(ORIG_COMPILER),1)
  ifndef QEMU_IRIX
    QEMU_IRIX := $(shell which qemu-irix)
    ifeq (, $(QEMU_IRIX))
      $(error Please install qemu-irix package or set QEMU_IRIX env var to the full qemu-irix binary path)
    endif
  endif
  CC        = $(QEMU_IRIX) -L tools/ido7.1_compiler tools/ido7.1_compiler/usr/bin/cc
  CC_OLD    = $(QEMU_IRIX) -L tools/ido5.3_compiler tools/ido5.3_compiler/usr/bin/cc
  CCAS      = $(CC_OLD)
endif

AS      := $(MIPS_BINUTILS_PREFIX)as
LD      := $(MIPS_BINUTILS_PREFIX)ld
NM      := $(MIPS_BINUTILS_PREFIX)nm
OBJCOPY := $(MIPS_BINUTILS_PREFIX)objcopy
OBJDUMP := $(MIPS_BINUTILS_PREFIX)objdump
STRIP   := $(MIPS_BINUTILS_PREFIX)strip

IINC := -Iinclude -Iinclude/libc -Isrc -I$(BUILD_DIR) -I. -I$(EXTRACTED_DIR)

ifeq ($(KEEP_MDEBUG),0)
  RM_MDEBUG = $(OBJCOPY) --remove-section .mdebug $@
else
  RM_MDEBUG = @:
endif

# Check code syntax with host compiler
CC_CHECK_WARNINGS := -Wall -Wextra -Wno-unknown-pragmas -Wno-unused-parameter -Wno-unused-variable -Wno-missing-braces -Wno-unused-but-set-variable -Wno-unused-label -Wno-sign-compare -Wno-tautological-compare
CC_CHECK_WARNINGS += -Werror=implicit-int -Werror=implicit-function-declaration -Werror=int-conversion -Werror=incompatible-pointer-types
# Have CC_CHECK pretend to be a MIPS compiler
MIPS_BUILTIN_DEFS := -DMIPSEB -D_MIPS_FPSET=16 -D_MIPS_ISA=2 -D_ABIO32=1 -D_MIPS_SIM=_ABIO32 -D_MIPS_SZINT=32 -D_MIPS_SZPTR=32
CC_CHECK_FLAGS    := -fno-builtin -fsyntax-only -funsigned-char -fdiagnostics-color -std=gnu89 -m32 -DNON_MATCHING -DAVOID_UB -DCC_CHECK=1

ifneq ($(WERROR), 0)
  CC_CHECK_WARNINGS += -Werror
endif

ifeq ($(RUN_CC_CHECK),0)
  CC_CHECK_COMP    := @:
endif

# The `cpp` command behaves differently on macOS (it behaves as if
# `-traditional-cpp` was passed) so we use `gcc -E` instead.
CPP           := gcc -E
CPPFLAGS      += -P -xc -fno-dollars-in-identifiers

MKLDSCRIPT    := tools/buildtools/mkldscript
MKDMADATA     := tools/buildtools/mkdmadata
ZAPD          := tools/ZAPD/ZAPD.out
FADO          := tools/fado/fado.elf
MAKEYAR       := $(PYTHON) tools/buildtools/makeyar.py
CHECKSUMMER   := $(PYTHON) tools/buildtools/checksummer.py
SHIFTJIS_CONV := $(PYTHON) tools/buildtools/shiftjis_conv.py

ASM_PROC       := $(PYTHON) tools/asm-processor/build.py
ASM_PROC_FLAGS := --input-enc=utf-8 --output-enc=euc-jp --convert-statics=global-with-filename --encode-cutscene-data-floats
ifneq ($(ASM_PROC_FORCE), 0)
  ASM_PROC_FLAGS += --force
endif

SCHC        := $(PYTHON) tools/buildtools/schc.py
SCHC_FLAGS  :=

# Audio tools
SAMPLECONV    := tools/audio/sampleconv/sampleconv
SBC           := tools/audio/sbc
SFC           := tools/audio/sfc
SFPATCH       := tools/audio/sfpatch
ATBLGEN       := tools/audio/atblgen
AFILE_SIZES   := tools/audio/afile_sizes
# We want linemarkers in sequence assembly files for better assembler error messages
SEQ_CPP       := $(CPP) -x assembler-with-cpp -fno-dollars-in-identifiers
SEQ_CPPFLAGS  := -D_LANGUAGE_ASEQ -DMML_VERSION=MML_VERSION_MM -I include -I include/audio -I include/tables/sfx -I $(BUILD_DIR)/assets/audio/soundfonts

SBCFLAGS := --matching
SFCFLAGS := --matching

# Command to replace $(BUILD_DIR) in some files with the build path.
# We can't use the C preprocessor for this because it won't substitute inside string literals.
BUILD_DIR_REPLACE := sed -e 's|$$(BUILD_DIR)|$(BUILD_DIR)|g'

GBI_DEFINES := -DF3DEX_GBI_2 -DF3DEX_GBI_PL -DGBI_DOWHILE

ifeq ($(COMPILER),gcc)
  # MIPS options
  CFLAGS           += -G 0 -march=vr4300 -mtune=vr4300 -mfix4300 -mabi=32 -mno-abicalls -mdivide-breaks
  # C dialect options
  CFLAGS           += -nostdinc -fno-PIC -fno-common -ffreestanding -fbuiltin -fno-builtin-sinf -fno-builtin-cosf -funsigned-char

  WARNINGS         := $(CC_CHECK_WARNINGS)
  ASFLAGS          := -march=vr4300 -32 -G0 -no-pad-sections
  CCASFLAGS        := $(GBI_DEFINES) -G 0 -nostdinc -march=vr4300 -mfix4300 -mabi=32 -mno-abicalls -fno-PIC -fno-common -Wa,-no-pad-sections
  COMMON_DEFINES   := $(GBI_DEFINES)
  AS_DEFINES       := $(COMMON_DEFINES) -DMIPSEB -D_LANGUAGE_ASSEMBLY -D_ULTRA64
  C_DEFINES        := $(COMMON_DEFINES) -D_LANGUAGE_C
  ENDIAN           :=

  OPTFLAGS         := -Os -ffast-math -ftrapping-math -fno-associative-math
  MIPS_VERSION     := -mips3
else
  CFLAGS           += -G 0 -non_shared -Xcpluscomm -nostdinc -Wab,-r4300_mul

  WARNINGS         := -fullwarn -verbose -woff 624,649,838,712,516,513,596,564,594,807
  ASFLAGS          := -march=vr4300 -32 -G0 -no-pad-sections
  CCASFLAGS        := $(GBI_DEFINES) -G 0 -non_shared -Xcpluscomm -nostdinc -Wab,-r4300_mul $(WARNINGS) -o32
  COMMON_DEFINES   := -D_MIPS_SZLONG=32 $(GBI_DEFINES)
  AS_DEFINES       := $(COMMON_DEFINES) -DMIPSEB -D_LANGUAGE_ASSEMBLY -D_ULTRA64
  C_DEFINES        := $(COMMON_DEFINES) -D_LANGUAGE_C
  ENDIAN           := -EB

  OPTFLAGS         := -O2 -g3
  MIPS_VERSION     := -mips2
endif
ASOPTFLAGS := -O1

# Use relocations and abi fpr names in the dump
OBJDUMP_FLAGS := --disassemble --reloc --disassemble-zeroes -Mreg-names=32

ifneq ($(OBJDUMP_BUILD), 0)
  OBJDUMP_CMD = $(OBJDUMP) $(OBJDUMP_FLAGS) $@ > $(@:.o=.s)
  OBJCOPY_BIN = $(OBJCOPY) -O binary $@ $@.bin
else
  OBJDUMP_CMD = @:
  OBJCOPY_BIN = @:
endif

ifeq ($(shell getconf LONG_BIT), 32)
  # Work around memory allocation bug in QEMU
  export QEMU_GUEST_BASE := 1
endif


#### Files ####

# ROM image
ROM      := $(BUILD_DIR)/mm-$(VERSION).z64
ROMC     := $(ROM:.z64=-compressed.z64)
ELF      := $(ROM:.z64=.elf)
MAP      := $(ROM:.z64=.map)
LDSCRIPT := $(ROM:.z64=.ld)
# description of ROM segments
SPEC := spec/spec
SPEC_INCLUDES := $(wildcard spec/*.inc)

# create asm directories
$(shell mkdir -p asm data extracted)

ifeq ($(COMPILER),ido)
SRC_DIRS := $(shell find src -type d -not -path src/gcc_fix)
else
SRC_DIRS := $(shell find src -type d)
endif

RSP_DIRS := $(shell find rsp -type d)
ASM_DIRS := $(shell find asm -type d -not -path "asm/non_matchings*") $(shell find data -type d)

ifneq ($(wildcard $(EXTRACTED_DIR)/assets/audio),)
  SAMPLE_EXTRACT_DIRS := $(shell find $(EXTRACTED_DIR)/assets/audio/samples -type d)
  SAMPLEBANK_EXTRACT_DIRS := $(shell find $(EXTRACTED_DIR)/assets/audio/samplebanks -type d)
  SOUNDFONT_EXTRACT_DIRS := $(shell find $(EXTRACTED_DIR)/assets/audio/soundfonts -type d)
  SEQUENCE_EXTRACT_DIRS := $(shell find $(EXTRACTED_DIR)/assets/audio/sequences -type d)
else
  SAMPLE_EXTRACT_DIRS :=
  SAMPLEBANK_EXTRACT_DIRS :=
  SOUNDFONT_EXTRACT_DIRS :=
  SEQUENCE_EXTRACT_DIRS :=
endif

ifneq ($(wildcard assets/audio/samples),)
  SAMPLE_DIRS := $(shell find assets/audio/samples -type d)
else
  SAMPLE_DIRS :=
endif

ifneq ($(wildcard assets/audio/samplebanks),)
  SAMPLEBANK_DIRS := $(shell find assets/audio/samplebanks -type d)
else
  SAMPLEBANK_DIRS :=
endif

ifneq ($(wildcard assets/audio/soundfonts),)
  SOUNDFONT_DIRS := $(shell find assets/audio/soundfonts -type d)
else
  SOUNDFONT_DIRS :=
endif

ifneq ($(wildcard assets/audio/sequences),)
  SEQUENCE_DIRS := $(shell find assets/audio/sequences -type d)
else
  SEQUENCE_DIRS :=
endif

SAMPLE_FILES         := $(foreach dir,$(SAMPLE_DIRS),$(wildcard $(dir)/*.wav))
SAMPLE_EXTRACT_FILES := $(foreach dir,$(SAMPLE_EXTRACT_DIRS),$(wildcard $(dir)/*.wav))
AIFC_FILES           := $(foreach f,$(SAMPLE_FILES),$(BUILD_DIR)/$(f:.wav=.aifc)) $(foreach f,$(SAMPLE_EXTRACT_FILES:.wav=.aifc),$(f:$(EXTRACTED_DIR)/%=$(BUILD_DIR)/%))
SAMPLE_BLOBS_IN      := $(foreach dir,$(SAMPLE_EXTRACT_DIRS),$(wildcard $(dir)/*.bin))
SAMPLE_BLOBS         := $(foreach f,$(SAMPLE_BLOBS_IN),$(f:$(EXTRACTED_DIR)/%=$(BUILD_DIR)/%))

SAMPLEBANK_XMLS         := $(foreach dir,$(SAMPLEBANK_DIRS),$(wildcard $(dir)/*.xml))
SAMPLEBANK_EXTRACT_XMLS := $(foreach dir,$(SAMPLEBANK_EXTRACT_DIRS),$(wildcard $(dir)/*.xml))
SAMPLEBANK_BUILD_XMLS   := $(foreach f,$(SAMPLEBANK_XMLS),$(BUILD_DIR)/$f) $(foreach f,$(SAMPLEBANK_EXTRACT_XMLS),$(f:$(EXTRACTED_DIR)/%=$(BUILD_DIR)/%))
SAMPLEBANK_O_FILES      := $(foreach f,$(SAMPLEBANK_BUILD_XMLS),$(f:.xml=.o))
SAMPLEBANK_DEP_FILES    := $(foreach f,$(SAMPLEBANK_O_FILES),$(f:.o=.d))

SOUNDFONT_XMLS         := $(foreach dir,$(SOUNDFONT_DIRS),$(wildcard $(dir)/*.xml))
SOUNDFONT_EXTRACT_XMLS := $(foreach dir,$(SOUNDFONT_EXTRACT_DIRS),$(wildcard $(dir)/*.xml))
SOUNDFONT_BUILD_XMLS   := $(foreach f,$(SOUNDFONT_XMLS),$(BUILD_DIR)/$f) $(foreach f,$(SOUNDFONT_EXTRACT_XMLS),$(f:$(EXTRACTED_DIR)/%=$(BUILD_DIR)/%))
SOUNDFONT_O_FILES      := $(foreach f,$(SOUNDFONT_BUILD_XMLS),$(f:.xml=.o))
SOUNDFONT_HEADERS      := $(foreach f,$(SOUNDFONT_BUILD_XMLS),$(f:.xml=.h))
SOUNDFONT_DEP_FILES    := $(foreach f,$(SOUNDFONT_O_FILES),$(f:.o=.d))

SEQUENCE_FILES         := $(foreach dir,$(SEQUENCE_DIRS),$(wildcard $(dir)/*.seq))
SEQUENCE_EXTRACT_FILES := $(foreach dir,$(SEQUENCE_EXTRACT_DIRS),$(wildcard $(dir)/*.seq))
SEQUENCE_O_FILES       := $(foreach f,$(SEQUENCE_FILES),$(BUILD_DIR)/$(f:.seq=.o)) $(foreach f,$(SEQUENCE_EXTRACT_FILES:.seq=.o),$(f:$(EXTRACTED_DIR)/%=$(BUILD_DIR)/%))
SEQUENCE_DEP_FILES     := $(foreach f,$(SEQUENCE_O_FILES),$(f:.o=.d))

SEQUENCE_TABLE := include/tables/sequence_table.h

# create extracted directory
$(shell mkdir -p $(EXTRACTED_DIR))

ifneq ($(wildcard $(EXTRACTED_DIR)/assets),)
  ASSET_BIN_DIRS_EXTRACTED := $(shell find $(EXTRACTED_DIR)/assets -type d)
else
  ASSET_BIN_DIRS_EXTRACTED :=
endif
ASSET_BIN_DIRS_COMMITTED := $(shell find assets -type d -not -path "assets/xml*" -not -path "assets/audio*" -not -path assets/text)
ASSET_BIN_DIRS := $(ASSET_BIN_DIRS_EXTRACTED) $(ASSET_BIN_DIRS_COMMITTED)

ASSET_FILES_BIN_EXTRACTED := $(foreach dir,$(ASSET_BIN_DIRS_EXTRACTED),$(wildcard $(dir)/*.bin))
ASSET_FILES_BIN_COMMITTED := $(foreach dir,$(ASSET_BIN_DIRS_COMMITTED),$(wildcard $(dir)/*.bin))
ASSET_FILES_OUT := $(foreach f,$(ASSET_FILES_BIN_EXTRACTED:.bin=.bin.inc.c),$(f:$(EXTRACTED_DIR)/%=$(BUILD_DIR)/%)) \
                   $(foreach f,$(ASSET_FILES_BIN_COMMITTED:.bin=.bin.inc.c),$(BUILD_DIR)/$f) \
                   $(foreach f,$(wildcard assets/text/*.c),$(BUILD_DIR)/$(f:.c=.o))

TEXTURE_FILES_PNG_EXTRACTED := $(foreach dir,$(ASSET_BIN_DIRS_EXTRACTED),$(wildcard $(dir)/*.png))
TEXTURE_FILES_PNG_COMMITTED := $(foreach dir,$(ASSET_BIN_DIRS_COMMITTED),$(wildcard $(dir)/*.png))
TEXTURE_FILES_JPG_EXTRACTED := $(foreach dir,$(ASSET_BIN_DIRS_EXTRACTED),$(wildcard $(dir)/*.jpg))
TEXTURE_FILES_JPG_COMMITTED := $(foreach dir,$(ASSET_BIN_DIRS_COMMITTED),$(wildcard $(dir)/*.jpg))
TEXTURE_FILES_OUT := $(foreach f,$(TEXTURE_FILES_PNG_EXTRACTED:.png=.inc.c),$(f:$(EXTRACTED_DIR)/%=$(BUILD_DIR)/%)) \
                     $(foreach f,$(TEXTURE_FILES_PNG_COMMITTED:.png=.inc.c),$(BUILD_DIR)/$f) \
                     $(foreach f,$(TEXTURE_FILES_JPG_EXTRACTED:.jpg=.jpg.inc.c),$(f:$(EXTRACTED_DIR)/%=$(BUILD_DIR)/%)) \
                     $(foreach f,$(TEXTURE_FILES_JPG_COMMITTED:.jpg=.jpg.inc.c),$(BUILD_DIR)/$f)

ASSET_C_FILES_EXTRACTED := $(filter-out %.inc.c,$(foreach dir,$(ASSET_BIN_DIRS_EXTRACTED),$(wildcard $(dir)/*.c)))
ASSET_C_FILES_COMMITTED := $(filter-out %.inc.c,$(foreach dir,$(ASSET_BIN_DIRS_COMMITTED),$(wildcard $(dir)/*.c)))
C_FILES        := $(foreach dir,$(SRC_DIRS) $(ASSET_BIN_DIRS_C_FILES),$(wildcard $(dir)/*.c))
S_FILES        := $(foreach dir,$(SRC_DIRS),$(wildcard $(dir)/*.s)) \
                  $(shell grep -F "\$$(BUILD_DIR)/asm" $(SPEC) | sed 's/.*$$(BUILD_DIR)\/// ; s/\.o\".*/.s/') \
                  $(shell grep -F "\$$(BUILD_DIR)/data" $(SPEC) | sed 's/.*$$(BUILD_DIR)\/// ; s/\.o\".*/.s/')
RSP_FILES      := $(foreach dir,$(RSP_DIRS),$(wildcard $(dir)/*.s))
SCHEDULE_FILES := $(foreach dir,$(SRC_DIRS),$(wildcard $(dir)/*.schl))
BASEROM_FILES  := $(shell grep -F "\$$(BUILD_DIR)/baserom" $(SPEC) | sed 's/.*$$(BUILD_DIR)\/// ; s/\.o\".*//')
ARCHIVES_O     := $(shell grep -F ".yar.o" $(SPEC) | sed 's/.*include "// ; s/.*$$(BUILD_DIR)\/// ; s/\.o\".*/.o/')
O_FILES        := $(foreach f,$(S_FILES:.s=.o),$(BUILD_DIR)/$f) \
                  $(foreach f,$(C_FILES:.c=.o),$(BUILD_DIR)/$f) \
                  $(foreach f,$(RSP_FILES:.s=.o),$(BUILD_DIR)/$f) \
                  $(foreach f,$(ASSET_C_FILES_EXTRACTED:.c=.o),$(f:$(EXTRACTED_DIR)/%=$(BUILD_DIR)/%)) \
                  $(foreach f,$(ASSET_C_FILES_COMMITTED:.c=.o),$(BUILD_DIR)/$f) \
                  $(foreach f,$(BASEROM_FILES),$(BUILD_DIR)/$f.o) \
                  $(foreach f,$(ARCHIVES_O),$(BUILD_DIR)/$f) \
                  $(BUILD_DIR)/src/makerom/ipl3.o $(BUILD_DIR)/src/audio/lib/stack.o

SHIFTJIS_C_FILES := src/libultra/voice/voicecheckword.c src/audio/voice_external.c src/code/z_message.c src/code/z_message_nes.c
SHIFTJIS_O_FILES := $(foreach f,$(SHIFTJIS_C_FILES:.c=.o),$(BUILD_DIR)/$f)

OVL_RELOC_FILES := $(shell $(CPP) $(CPPFLAGS) $(SPEC) | $(BUILD_DIR_REPLACE) | grep -o '[^"]*_reloc.o' )

SCHEDULE_INC_FILES := $(foreach f,$(SCHEDULE_FILES:.schl=.schl.inc),$(BUILD_DIR)/$f)

LD_FINAL_FILES := $(foreach f,$(shell find linker_scripts/final/*.ld),$(BUILD_DIR)/$f)

# Automatic dependency files
# (Only asm_processor dependencies and reloc dependencies are handled for now)
DEP_FILES := $(O_FILES:.o=.asmproc.d) $(OVL_RELOC_FILES:.o=.d)

# Other directories that need to be created in the build directory
OTHER_DIRS := assets/text baserom dmadata $(shell find linker_scripts -type d)

# create build directories
$(shell mkdir -p $(foreach dir, \
                      $(RSP_DIRS) \
                      $(SRC_DIRS) \
                      $(ASM_DIRS) \
                      $(OTHER_DIRS), \
                    $(BUILD_DIR)/$(dir)))
$(shell mkdir -p $(foreach dir, \
                      $(ASSET_BIN_DIRS) \
                      $(ASSET_BIN_DIRS_C_FILES) \
                      $(SAMPLE_DIRS) \
                      $(SAMPLEBANK_DIRS) \
                      $(SOUNDFONT_DIRS) \
                      $(SEQUENCE_DIRS) \
                      $(ASSET_BIN_DIRS_COMMITTED),\
                    $(BUILD_DIR)/$(dir)))
ifneq ($(wildcard $(EXTRACTED_DIR)/assets),)
$(shell mkdir -p $(foreach dir, \
                      $(SAMPLE_EXTRACT_DIRS) \
                      $(SAMPLEBANK_EXTRACT_DIRS) \
                      $(SOUNDFONT_EXTRACT_DIRS) \
                      $(SEQUENCE_EXTRACT_DIRS) \
                      $(ASSET_BIN_DIRS_EXTRACTED),\
                    $(dir:$(EXTRACTED_DIR)/%=$(BUILD_DIR)/%)))
endif

$(BUILD_DIR)/src/audio/lib/seqplayer.o: C_DEFINES += -DMML_VERSION=MML_VERSION_MM

# Command to patch certain object files after they are built
POSTPROCESS_OBJ := @:

ifeq ($(COMPILER),ido)

# directory flags
$(BUILD_DIR)/src/libultra/os/%.o: OPTFLAGS := -O1
$(BUILD_DIR)/src/libultra/voice/%.o: OPTFLAGS := -O2
$(BUILD_DIR)/src/libultra/io/%.o: OPTFLAGS := -O2
$(BUILD_DIR)/src/libultra/libc/%.o: OPTFLAGS := -O2
$(BUILD_DIR)/src/libultra/gu/%.o: OPTFLAGS := -O2
$(BUILD_DIR)/src/libultra/rmon/%.o: OPTFLAGS := -O2

$(BUILD_DIR)/src/boot/libu64/%.o: OPTFLAGS := -O2

$(BUILD_DIR)/src/boot/libc/%.o: OPTFLAGS := -O2
$(BUILD_DIR)/src/boot/libm/%.o: OPTFLAGS := -O2
$(BUILD_DIR)/src/boot/libc64/%.o: OPTFLAGS := -O2

$(BUILD_DIR)/src/code/%.o: ASOPTFLAGS := -O2

$(BUILD_DIR)/src/audio/%.o: OPTFLAGS := -O2

$(BUILD_DIR)/assets/%.o: OPTFLAGS := -O1

# file flags
$(BUILD_DIR)/src/libultra/libc/ll.o: OPTFLAGS := -O1
$(BUILD_DIR)/src/libultra/libc/ll.o: MIPS_VERSION := -mips3 -32
$(BUILD_DIR)/src/libultra/libc/ll.o: POSTPROCESS_OBJ := $(PYTHON) tools/set_o32abi_bit.py

$(BUILD_DIR)/src/libultra/libc/llcvt.o: OPTFLAGS := -O1
$(BUILD_DIR)/src/libultra/libc/llcvt.o: MIPS_VERSION := -mips3 -32
$(BUILD_DIR)/src/libultra/libc/llcvt.o: POSTPROCESS_OBJ := $(PYTHON) tools/set_o32abi_bit.py

$(BUILD_DIR)/src/libultra/os/exceptasm.o: MIPS_VERSION := -mips3 -32
$(BUILD_DIR)/src/libultra/os/exceptasm.o: POSTPROCESS_OBJ := $(PYTHON) tools/set_o32abi_bit.py

$(BUILD_DIR)/src/boot/fault.o: CFLAGS += -trapuv
$(BUILD_DIR)/src/boot/fault_drawer.o: CFLAGS += -trapuv

$(BUILD_DIR)/src/code/jpegdecoder.o: CC := $(CC_OLD)
$(BUILD_DIR)/src/code/jpegdecoder.o: OPTFLAGS := -O2
$(BUILD_DIR)/src/code/jpegutils.o: CC := $(CC_OLD)
$(BUILD_DIR)/src/code/jpegutils.o: OPTFLAGS := -O2

$(BUILD_DIR)/src/code/osFlash.o: CC := $(CC_OLD)
$(BUILD_DIR)/src/code/osFlash.o: OPTFLAGS := -g
$(BUILD_DIR)/src/code/osFlash.o: MIPS_VERSION := -mips1

# cc & asm-processor
$(BUILD_DIR)/src/libultra/%.o: CC := $(CC_OLD)

# For using asm_processor on some files:
#$(BUILD_DIR)/.../%.o: CC := $(PYTHON) $(ASM_PROC) $(ASM_PROC_FLAGS) $(CC) -- $(AS) $(ASFLAGS) --

ifeq ($(PERMUTER),)  # permuter + preprocess.sh misbehaves, permuter doesn't care about rodata diffs or bss ordering so just don't use it in that case
# Handle encoding (UTF-8 -> EUC-JP) and custom pragmas
$(BUILD_DIR)/src/%.o: CC := ./tools/buildtools/preprocess.sh -v $(VERSION) -i $(ICONV) -- $(CC)
endif

else
# Note that if adding additional assets directories for modding reasons these flags must also be used there
$(BUILD_DIR)/assets/%.o: CFLAGS += -fno-zero-initialized-in-bss -fno-toplevel-reorder
$(BUILD_DIR)/src/%.o: CFLAGS += -fexec-charset=euc-jp
$(BUILD_DIR)/src/libultra/libc/ll.o: OPTFLAGS := -Ofast
$(BUILD_DIR)/src/overlays/%.o: CFLAGS += -fno-merge-constants -mno-explicit-relocs -mno-split-addresses

# Temporary: Hardcoded pointers in assets (specifically object_dmask and object_osn)
$(BUILD_DIR)/assets/%.o: WARNINGS += -Wno-error=int-conversion
endif

$(SHIFTJIS_O_FILES): CC_CHECK_WARNINGS += -Wno-multichar -Wno-type-limits -Wno-overflow

#### Main Targets ###

rom: $(ROM)
ifneq ($(COMPARE),0)
	@md5sum $(ROM)
	@md5sum -c $(BASEROM_DIR)/checksum.md5
endif

compress: $(ROMC)
ifneq ($(COMPARE),0)
	@md5sum $(ROMC)
	@md5sum -c $(BASEROM_DIR)/checksum-compressed.md5
endif


$(ROM): $(ELF)
	$(OBJCOPY) --gap-fill=0x00 -O binary $< $@
	$(CHECKSUMMER) $@

$(ROMC): $(ROM) $(ELF) $(BUILD_DIR)/dmadata/compress_ranges.txt
	$(PYTHON) tools/buildtools/compress.py --in $(ROM) --out $@ --dma-start `tools/buildtools/dmadata_start.sh $(NM) $(ELF)` --compress `cat $(BUILD_DIR)/dmadata/compress_ranges.txt` --threads $(N_THREADS)
	$(PYTHON) -m ipl3checksum sum --cic 6105 --update $@

$(ELF): $(TEXTURE_FILES_OUT) $(ASSET_FILES_OUT) $(O_FILES) $(OVL_RELOC_FILES) $(LDSCRIPT) $(LD_FINAL_FILES) \
        $(SAMPLEBANK_O_FILES) $(SOUNDFONT_O_FILES) $(SEQUENCE_O_FILES) \
        $(BUILD_DIR)/assets/audio/sequence_font_table.o
	$(LD) -T $(LDSCRIPT) -T $(LD_FINAL_FILES) --no-check-sections --accept-unknown-input-arch --emit-relocs -Map $(MAP) -o $@

## Order-only prerequisites 
# These ensure e.g. the O_FILES are built before the OVL_RELOC_FILES.
# The intermediate phony targets avoid quadratically-many dependencies between the targets and prerequisites.

o_files: $(O_FILES)
$(OVL_RELOC_FILES): | o_files

asset_files: $(TEXTURE_FILES_OUT) $(ASSET_FILES_OUT)
$(O_FILES): | asset_files

schedule_inc_files: $(SCHEDULE_INC_FILES)
$(O_FILES): | schedule_inc_files

.PHONY: o_files asset_files schedule_inc_files


#### Main commands ####

## Cleaning ##
clean:
	$(RM) -r $(BUILD_DIR)

assetclean:
	$(RM) -r $(EXTRACTED_DIR)/assets
	$(RM) -r $(EXTRACTED_DIR)/text
	$(RM) -r $(EXTRACTED_DIR)/.extracted-assets.json
	$(RM) -r $(BUILD_DIR)/assets

distclean: assetclean clean
	$(RM) -r asm data extracted
	$(MAKE) -C tools clean

venv:
	test -d $(VENV) || python3 -m venv $(VENV) || { rm -rf $(VENV); false; }
	$(PYTHON) -m pip install -U pip
	$(PYTHON) -m pip install -U -r requirements.txt

## Extraction step

setup:
	$(MAKE) -C tools
	$(PYTHON) tools/decompress_baserom.py -v $(VERSION)
	$(PYTHON) tools/extract_baserom.py $(BASEROM_DIR)/baserom-decompressed.z64 $(EXTRACTED_DIR)/baserom -v $(VERSION)
	$(PYTHON) tools/extract_incbins.py $(EXTRACTED_DIR)/baserom $(EXTRACTED_DIR)/incbin -v $(VERSION)
	$(PYTHON) tools/extract_yars.py $(EXTRACTED_DIR)/baserom -v $(VERSION)

assets:
	$(PYTHON) tools/extract_assets.py $(EXTRACTED_DIR)/baserom $(EXTRACTED_DIR)/assets -j$(N_THREADS) -Z Wno-hardcoded-pointer -v $(VERSION)
	$(PYTHON) tools/extract_text.py $(EXTRACTED_DIR)/baserom $(EXTRACTED_DIR)/text -v $(VERSION)
	$(PYTHON) tools/extract_audio.py -b $(EXTRACTED_DIR)/baserom -o $(EXTRACTED_DIR) -v $(VERSION) --read-xml

## Assembly generation
disasm:
	$(RM) -r asm data
	$(PYTHON) tools/disasm/disasm.py $(EXTRACTED_DIR)/baserom -j $(N_THREADS) $(DISASM_FLAGS)

diff-init: rom
	$(RM) -r expected/
	mkdir -p expected/
	cp -r build expected/build

init: distclean
	$(MAKE) venv
	$(MAKE) setup
	$(MAKE) assets
	$(MAKE) disasm
	$(MAKE) all
	$(MAKE) diff-init

run: $(ROM)
ifeq ($(N64_EMULATOR),)
	$(error Emulator path not set. Set N64_EMULATOR in the Makefile, .make_options, or define it as an environment variable)
endif
	$(N64_EMULATOR) $<

.PHONY: all rom compress clean assetclean distclean assets disasm init venv setup run
.DEFAULT_GOAL := rom
all: rom compress


#### Various Recipes ####

$(BUILD_DIR)/%.ld: %.ld
	$(CPP) $(CPPFLAGS) $(IINC) $< > $@

$(BUILD_DIR)/spec: $(SPEC) $(SPEC_INCLUDES)
	$(CPP) $(CPPFLAGS) -I. $< | $(BUILD_DIR_REPLACE) > $@

$(LDSCRIPT): $(BUILD_DIR)/spec
	$(MKLDSCRIPT) $< $@

$(BUILD_DIR)/dmadata/dmadata_table_spec.h $(BUILD_DIR)/dmadata/compress_ranges.txt &: $(BUILD_DIR)/spec
	$(MKDMADATA) $< $(BUILD_DIR)/dmadata/dmadata_table_spec.h $(BUILD_DIR)/dmadata/compress_ranges.txt

# Dependencies for files that may include the dmadata header automatically generated from the spec file
$(BUILD_DIR)/src/boot/z_std_dma.o: $(BUILD_DIR)/dmadata/dmadata_table_spec.h
$(BUILD_DIR)/src/dmadata/dmadata.o: $(BUILD_DIR)/dmadata/dmadata_table_spec.h

$(BUILD_DIR)/asm/%.o: asm/%.s
	$(AS) $(ASFLAGS) $(IINC) $(ENDIAN) $< -o $@

$(BUILD_DIR)/data/%.o: data/%.s
	$(AS) $(ASFLAGS) $(IINC) $(ENDIAN) $< -o $@

$(BUILD_DIR)/rsp/%.o: rsp/%.s
	$(AS) $(ASFLAGS) $(IINC) $(ENDIAN) $< -o $@

# Assemble the ROM header with GNU AS always
$(BUILD_DIR)/src/makerom/rom_header.o: src/makerom/rom_header.s
ifeq ($(COMPILER),ido)
	$(CPP) $(CPPFLAGS) $(MIPS_BUILTIN_DEFS) $(IINC) $< | $(AS) $(ASFLAGS) $(IINC) $(ENDIAN) -o $@
else
	$(CCAS) -c $(CCASFLAGS) $(IINC) $(MIPS_VERSION) $(ASOPTFLAGS) -o $@ $<
endif
	$(OBJDUMP_CMD)

$(BUILD_DIR)/src/makerom/ipl3.o: $(EXTRACTED_DIR)/incbin/ipl3
	$(OBJCOPY) -I binary -O elf32-big --rename-section .data=.text $< $@

$(BUILD_DIR)/src/audio/lib/stack.o: $(EXTRACTED_DIR)/incbin/aspMainStack
	$(OBJCOPY) -I binary -O elf32-big --add-symbol aspMainStack=.data:0,global $< $@

$(BUILD_DIR)/src/%.o: src/%.s
ifeq ($(COMPILER),ido)
	$(CCAS) -c $(CCASFLAGS) $(IINC) $(MIPS_VERSION) $(ASOPTFLAGS) -o $(@:.o=.tmp.o) $<
# IDO generates bad symbol tables, fix the symbol table with strip..
	$(STRIP) $(@:.o=.tmp.o) -N dummy-symbol-name
# but strip doesn't know about file-relative offsets in .mdebug and doesn't relocate them, ld will
# segfault unless .mdebug is removed
	$(OBJCOPY) --remove-section .mdebug $(@:.o=.tmp.o) $@
else
	$(CCAS) -c $(CCASFLAGS) $(IINC) $(MIPS_VERSION) $(ASOPTFLAGS) -o $@ $<
endif
	$(POSTPROCESS_OBJ) $@
	$(OBJDUMP_CMD)
	$(RM_MDEBUG)

$(BUILD_DIR)/assets/text/%.o: assets/text/%.c
ifneq ($(COMPILER),gcc)
# Preprocess text with modern cpp for varargs macros
	$(CPP) -undef -D_LANGUAGE_C -D__sgi $(CPPFLAGS) $(IINC) $< -o $(@:.o=.c)
	$(CC) -c $(CFLAGS) $(IINC) $(WARNINGS) $(C_DEFINES) $(MIPS_VERSION) $(ENDIAN) $(OPTFLAGS) -o $@ $(@:.o=.c)
else
	$(CC) -c $(CFLAGS) $(IINC) $(WARNINGS) $(C_DEFINES) $(MIPS_VERSION) $(ENDIAN) $(OPTFLAGS) -o $@ $<
endif

$(BUILD_DIR)/assets/%.o: assets/%.c
	$(CC) -c $(CFLAGS) $(IINC) $(WARNINGS) $(C_DEFINES) $(MIPS_VERSION) $(ENDIAN) $(OPTFLAGS) -o $@ $<
	$(OBJCOPY_BIN)
	$(RM_MDEBUG)

$(BUILD_DIR)/assets/%.o: $(EXTRACTED_DIR)/assets/%.c
	$(CC) -c $(CFLAGS) $(IINC) $(WARNINGS) $(C_DEFINES) $(MIPS_VERSION) $(ENDIAN) $(OPTFLAGS) -o $@ $<
	$(OBJCOPY_BIN)
	$(RM_MDEBUG)

$(BUILD_DIR)/%.yar.o: $(BUILD_DIR)/%.o
	$(MAKEYAR) $< $(@:.yar.o=.yar.bin) $(@:.yar.o=.symbols.o)
	$(OBJCOPY) -I binary -O elf32-big $(@:.yar.o=.yar.bin) $@

$(BUILD_DIR)/baserom/%.o: $(EXTRACTED_DIR)/baserom/%
	$(OBJCOPY) -I binary -O elf32-big $< $@

$(BUILD_DIR)/assets/text/message_data.enc.h: assets/text/message_data.h assets/text/charmap.txt
	$(CPP) $(CPPFLAGS) -I$(EXTRACTED_DIR) $< | $(PYTHON) tools/text/msgenc.py --encoding nes --charmap assets/text/charmap.txt - $@

$(BUILD_DIR)/assets/text/message_data_staff.enc.h: assets/text/message_data_staff.h assets/text/charmap.txt
	$(CPP) $(CPPFLAGS) -I$(EXTRACTED_DIR) $< | $(PYTHON) tools/text/msgenc.py --encoding credits --charmap assets/text/charmap.txt - $@

$(BUILD_DIR)/assets/text/message_data_static.o: $(BUILD_DIR)/assets/text/message_data.enc.h
$(BUILD_DIR)/assets/text/staff_message_data_static.o: $(BUILD_DIR)/assets/text/message_data_staff.enc.h
$(BUILD_DIR)/src/code/z_message.o: $(BUILD_DIR)/assets/text/message_data.enc.h $(BUILD_DIR)/assets/text/message_data_staff.enc.h

$(BUILD_DIR)/src/overlays/%_reloc.o: $(BUILD_DIR)/spec
	$(FADO) $$(tools/buildtools/reloc_prereq $< $(*F)) -n $(*F) -o $(@:.o=.s) -M $(@:.o=.d)
	$(AS) $(ASFLAGS) $(ENDIAN) $(IINC) $(@:.o=.s) -o $@

# Incremental link z_game_over data into rodata
$(BUILD_DIR)/src/code/z_game_over.o: src/code/z_game_over.c
	$(CC_CHECK_COMP) $(CC_CHECK_FLAGS) $(IINC) $(CC_CHECK_WARNINGS) $(C_DEFINES) $(MIPS_BUILTIN_DEFS) $<
	$(CC) -c $(CFLAGS) $(IINC) $(WARNINGS) $(C_DEFINES) $(MIPS_VERSION) $(ENDIAN) $(OPTFLAGS) -o $(@:.o=.tmp) $<
	$(LD) -r -T linker_scripts/data_with_rodata.ld $(@:.o=.tmp) -o $@
	@$(RM) $(@:.o=.tmp)
	$(OBJDUMP_CMD)
	$(RM_MDEBUG)

# Incremental link audio/session_init data into rodata
$(BUILD_DIR)/src/audio/session_init.o: src/audio/session_init.c $(BUILD_DIR)/assets/audio/soundfont_sizes.h $(BUILD_DIR)/assets/audio/sequence_sizes.h
	$(CC_CHECK_COMP) $(CC_CHECK_FLAGS) $(IINC) $(CC_CHECK_WARNINGS) $(C_DEFINES) $(MIPS_BUILTIN_DEFS) $<
	$(CC) -c $(CFLAGS) $(IINC) $(WARNINGS) $(C_DEFINES) $(MIPS_VERSION) $(ENDIAN) $(OPTFLAGS) -o $(@:.o=.tmp) $<
	$(LD) -r -T linker_scripts/data_with_rodata.ld $(@:.o=.tmp) -o $@
	@$(RM) $(@:.o=.tmp)
	$(OBJDUMP_CMD)
	$(RM_MDEBUG)

$(SHIFTJIS_O_FILES): $(BUILD_DIR)/src/%.o: src/%.c
	$(SHIFTJIS_CONV) -o $(@:.o=.enc.c) $<
	$(CC_CHECK_COMP) $(CC_CHECK_FLAGS) $(IINC) $(CC_CHECK_WARNINGS) $(C_DEFINES) $(MIPS_BUILTIN_DEFS) $(@:.o=.enc.c)
	$(CC) -c $(CFLAGS) $(IINC) $(WARNINGS) $(C_DEFINES) $(MIPS_VERSION) $(ENDIAN) $(OPTFLAGS) -o $@ $(@:.o=.enc.c)
	$(OBJDUMP_CMD)
	$(RM_MDEBUG)

$(BUILD_DIR)/%.o: %.c
	$(CC_CHECK_COMP) $(CC_CHECK_FLAGS) $(IINC) $(CC_CHECK_WARNINGS) $(C_DEFINES) $(MIPS_BUILTIN_DEFS) $<
	$(CC) -c $(CFLAGS) $(IINC) $(WARNINGS) $(C_DEFINES) $(MIPS_VERSION) $(ENDIAN) $(OPTFLAGS) -o $@ $<
	$(POSTPROCESS_OBJ) $@
	$(OBJDUMP_CMD)
	$(RM_MDEBUG)

# Build C files from assets

$(BUILD_DIR)/assets/%.inc.c: assets/%.png
	$(ZAPD) btex -eh -tt $(subst .,,$(suffix $*)) -i $< -o $@

$(BUILD_DIR)/assets/%.inc.c: $(EXTRACTED_DIR)/assets/%.png
	$(ZAPD) btex -eh -tt $(subst .,,$(suffix $*)) -i $< -o $@

$(BUILD_DIR)/assets/%.bin.inc.c: assets/%.bin
	$(ZAPD) bblb -eh -i $< -o $@

$(BUILD_DIR)/assets/%.bin.inc.c: $(EXTRACTED_DIR)/assets/%.bin
	$(ZAPD) bblb -eh -i $< -o $@

$(BUILD_DIR)/assets/%.jpg.inc.c: assets/%.jpg
	$(ZAPD) bren -eh -i $< -o $@

$(BUILD_DIR)/%.schl.inc: %.schl
	$(SCHC) $(SCHC_FLAGS) -o $@ $<

# Audio

AUDIO_BUILD_DEBUG ?= 0
ifeq ($(AUDIO_BUILD_DEBUG),1)
  # for debugging only, make soundfonts depend on samplebanks so they can be linked against
  $(BUILD_DIR)/assets/audio/soundfonts/%.o: $(SAMPLEBANK_O_FILES)
endif

# first build samples...

.PRECIOUS: $(BUILD_DIR)/assets/audio/samples/%.aifc
.PRECIOUS: $(BUILD_DIR)/assets/audio/samples/%.half.aifc

$(BUILD_DIR)/assets/audio/samples/%.half.aifc: assets/audio/samples/%.half.wav
	$(SAMPLECONV) vadpcm-half $< $@

$(BUILD_DIR)/assets/audio/samples/%.half.aifc: $(EXTRACTED_DIR)/assets/audio/samples/%.half.wav
	$(SAMPLECONV) vadpcm-half $< $@
ifeq ($(AUDIO_BUILD_DEBUG),1)
	@(cmp $(<D)/aifc/$(<F:.half.wav=.half.aifc) $@ && echo "$(<F) OK") || (mkdir -p NONMATCHINGS/$(<D) && cp $(<D)/aifc/$(<F:.half.wav=.half.aifc) NONMATCHINGS/$(<D)/$(<F:.half.wav=.half.aifc))
endif

$(BUILD_DIR)/assets/audio/samples/%.aifc: assets/audio/samples/%.wav
	$(SAMPLECONV) vadpcm $< $@

$(BUILD_DIR)/assets/audio/samples/%.aifc: $(EXTRACTED_DIR)/assets/audio/samples/%.wav
	$(SAMPLECONV) vadpcm $< $@
ifeq ($(AUDIO_BUILD_DEBUG),1)
	@(cmp $(<D)/aifc/$(<F:.wav=.aifc) $@ && echo "$(<F) OK") || (mkdir -p NONMATCHINGS/$(<D) && cp $(<D)/aifc/$(<F:.wav=.aifc) NONMATCHINGS/$(<D)/$(<F:.wav=.aifc))
endif

# then assemble the samplebanks...

$(BUILD_DIR)/assets/audio/samples/%.bin: assets/audio/samples/%.bin
	cp $< $@

$(BUILD_DIR)/assets/audio/samples/%.bin: $(EXTRACTED_DIR)/assets/audio/samples/%.bin
	cp $< $@

.PRECIOUS: $(BUILD_DIR)/assets/audio/samplebanks/%.xml

$(BUILD_DIR)/assets/audio/samplebanks/%.xml: assets/audio/samplebanks/%.xml
	cat $< | $(BUILD_DIR_REPLACE) > $@

$(BUILD_DIR)/assets/audio/samplebanks/%.xml: $(EXTRACTED_DIR)/assets/audio/samplebanks/%.xml
	cat $< | $(BUILD_DIR_REPLACE) > $@

.PRECIOUS: $(BUILD_DIR)/assets/audio/samplebanks/%.s
$(BUILD_DIR)/assets/audio/samplebanks/%.s: $(BUILD_DIR)/assets/audio/samplebanks/%.xml | $(AIFC_FILES) $(SAMPLE_BLOBS)
	$(SBC) $(SBCFLAGS) --makedepend $(@:.s=.d) $< $@

-include $(SAMPLEBANK_DEP_FILES)

$(BUILD_DIR)/assets/audio/samplebanks/%.o: $(BUILD_DIR)/assets/audio/samplebanks/%.s
	$(AS) $(ASFLAGS) $< -o $@
ifeq ($(AUDIO_BUILD_DEBUG),1)
	$(OBJCOPY) -O binary --only-section .rodata $@ $(@:.o=.bin)
	@cmp $(@:.o=.bin) $(patsubst $(BUILD_DIR)/assets/audio/samplebanks/%,$(EXTRACTED_DIR)/baserom_audiotest/audiotable_files/%,$(@:.o=.bin)) && echo "$(<F) OK"
endif

# also assemble the soundfonts and generate the associated headers...

$(BUILD_DIR)/assets/audio/soundfonts/%.xml: assets/audio/soundfonts/%.xml
	cat $< | $(BUILD_DIR_REPLACE) > $@

$(BUILD_DIR)/assets/audio/soundfonts/%.xml: $(EXTRACTED_DIR)/assets/audio/soundfonts/%.xml
	cat $< | $(BUILD_DIR_REPLACE) > $@

.PRECIOUS: $(BUILD_DIR)/assets/audio/soundfonts/%.c $(BUILD_DIR)/assets/audio/soundfonts/%.h $(BUILD_DIR)/assets/audio/soundfonts/%.name
$(BUILD_DIR)/assets/audio/soundfonts/%.c $(BUILD_DIR)/assets/audio/soundfonts/%.h $(BUILD_DIR)/assets/audio/soundfonts/%.name: $(BUILD_DIR)/assets/audio/soundfonts/%.xml | $(SAMPLEBANK_BUILD_XMLS) $(AIFC_FILES)
# This rule can be triggered for either the .c or .h file, so $@ may refer to either the .c or .h file. A simple
# substitution $(@:.c=.h) will fail ~50% of the time with -j. Instead, don't assume anything about the suffix of $@.
	$(SFC) $(SFCFLAGS)  --makedepend $(basename $@).d $< $(basename $@).c $(basename $@).h $(basename $@).name

-include $(SOUNDFONT_DEP_FILES)

$(BUILD_DIR)/assets/audio/soundfonts/%.o: $(BUILD_DIR)/assets/audio/soundfonts/%.c $(BUILD_DIR)/assets/audio/soundfonts/%.name
# compile c to unlinked object
	$(CC) -c $(CFLAGS) $(IINC) $(WARNINGS) $(C_DEFINES) $(MIPS_VERSION) $(ENDIAN) $(OPTFLAGS) -I include/audio -o $(@:.o=.tmp) $<
# partial link
	$(LD) -r -T linker_scripts/soundfont.ld $(@:.o=.tmp) -o $(@:.o=.tmp2)
# patch defined symbols to be ABS symbols so that they remain file-relative offsets forever
	$(SFPATCH) $(@:.o=.tmp2) $(@:.o=.tmp2)
# write start and size symbols afterwards, filename != symbolic name so source symbolic name from the .name file written by sfc# also write a .note.name section containing the symbolic name of the soundfont
	$(OBJCOPY) --add-symbol $$(cat $(<:.c=.name) | tr -d '\0')_Start=.rodata:0,global --redefine-sym __LEN__=$$(cat $(<:.c=.name) | tr -d '\0')_Size --add-section .note.name=$(<:.c=.name) $(@:.o=.tmp2) $@
# cleanup temp files
	@$(RM) $(@:.o=.tmp) $(@:.o=.tmp2)
	$(RM_MDEBUG)
ifeq ($(AUDIO_BUILD_DEBUG),1)
	$(LD) $(foreach f,$(SAMPLEBANK_O_FILES),-R $f) -T linker_scripts/soundfont.ld $@ -o $(@:.o=.elf)
	$(OBJCOPY) -O binary -j.rodata $(@:.o=.elf) $(@:.o=.bin)
	@(cmp $(@:.o=.bin) $(patsubst $(BUILD_DIR)/assets/audio/soundfonts/%,$(EXTRACTED_DIR)/baserom_audiotest/audiobank_files/%,$(@:.o=.bin)) && echo "$(<F) OK" || (mkdir -p NONMATCHINGS/soundfonts && cp $(@:.o=.bin) NONMATCHINGS/soundfonts/$(@F:.o=.bin)))
endif

# then assemble the sequences...

$(BUILD_DIR)/assets/audio/sequences/%.o: assets/audio/sequences/%.seq include/audio/aseq.h $(SEQUENCE_TABLE) | $(SOUNDFONT_HEADERS)
	$(SEQ_CPP) $(SEQ_CPPFLAGS) $< -o $(@:.o=.s) -MMD -MT $@
	$(AS) $(ASFLAGS) -I $(BUILD_DIR)/assets/audio/soundfonts -I include/audio -I $(dir $<) $(@:.o=.s) -o $@

$(BUILD_DIR)/assets/audio/sequences/%.o: $(EXTRACTED_DIR)/assets/audio/sequences/%.seq include/audio/aseq.h $(SEQUENCE_TABLE) | $(SOUNDFONT_HEADERS)
	$(SEQ_CPP) $(SEQ_CPPFLAGS) $< -o $(@:.o=.s) -MMD -MT $@
	$(AS) $(ASFLAGS) -I $(BUILD_DIR)/assets/audio/soundfonts -I include/audio -I $(dir $<) $(@:.o=.s) -o $@
ifeq ($(AUDIO_BUILD_DEBUG),1)
	$(OBJCOPY) -O binary -j.data $@ $(@:.o=.aseq)
	@(cmp $(@:.o=.aseq) $(patsubst $(BUILD_DIR)/assets/audio/sequences/%,$(EXTRACTED_DIR)/baserom_audiotest/audioseq_files/%,$(@:.o=.aseq)) && echo "$(<F) OK" || (mkdir -p NONMATCHINGS/sequences && cp $(@:.o=.aseq) NONMATCHINGS/sequences/$(@F:.o=.aseq)))
endif

-include $(SEQUENCE_DEP_FILES)

# put together the tables

$(BUILD_DIR)/assets/audio/samplebank_table.h: $(SAMPLEBANK_BUILD_XMLS)
	$(ATBLGEN) --banks $@ $^

$(BUILD_DIR)/assets/audio/soundfont_table.h: $(SOUNDFONT_BUILD_XMLS) $(SAMPLEBANK_BUILD_XMLS)
	$(ATBLGEN) --fonts $@ $(SOUNDFONT_BUILD_XMLS)

SEQ_ORDER_DEFS := -DDEFINE_SEQUENCE_PTR\(name,seqId,_2,_3,_4\)=*\(name,seqId\) \
                  -DDEFINE_SEQUENCE\(name,seqId,_2,_3,_4\)=\(name,seqId\)
$(BUILD_DIR)/assets/audio/sequence_order.in: $(SEQUENCE_TABLE)
	$(CPP) $(CPPFLAGS) $< $(SEQ_ORDER_DEFS) -o $@

$(BUILD_DIR)/assets/audio/sequence_font_table.s: $(BUILD_DIR)/assets/audio/sequence_order.in $(SEQUENCE_O_FILES)
	$(ATBLGEN) --sequences $@ $^

# build the tables into objects, move data -> rodata

$(BUILD_DIR)/src/audio/tables/samplebank_table.o: src/audio/tables/samplebank_table.c $(BUILD_DIR)/assets/audio/samplebank_table.h
$(BUILD_DIR)/src/audio/tables/soundfont_table.o: src/audio/tables/soundfont_table.c $(BUILD_DIR)/assets/audio/soundfont_table.h $(SOUNDFONT_HEADERS)
$(BUILD_DIR)/src/audio/tables/sequence_table.o: src/audio/tables/sequence_table.c $(SEQUENCE_TABLE)

$(BUILD_DIR)/src/audio/tables/sequence_table.o: CFLAGS += -I include/tables

$(BUILD_DIR)/src/audio/tables/%.o: src/audio/tables/%.c
	$(CC_CHECK_COMP) $(CC_CHECK_FLAGS) $(IINC) $(CC_CHECK_WARNINGS) $(C_DEFINES) $(MIPS_BUILTIN_DEFS) -o $(@:.o=.tmp) $<
	$(CC) -c $(CFLAGS) $(IINC) $(WARNINGS) $(C_DEFINES) $(MIPS_VERSION) $(ENDIAN) $(OPTFLAGS) -o $(@:.o=.tmp) $<
	$(LD) -r -T linker_scripts/data_with_rodata.ld $(@:.o=.tmp) -o $@
	@$(RM) $(@:.o=.tmp)
	$(RM_MDEBUG)

$(BUILD_DIR)/assets/audio/sequence_font_table.o: $(BUILD_DIR)/assets/audio/sequence_font_table.s
	$(AS) $(ASFLAGS) $< -o $@

# make headers with file sizes and amounts

$(BUILD_DIR)/assets/audio/soundfont_sizes.h: $(SOUNDFONT_O_FILES)
	$(AFILE_SIZES) $@ NUM_SOUNDFONTS SOUNDFONT_SIZES .rodata $^

$(BUILD_DIR)/assets/audio/sequence_sizes.h: $(SEQUENCE_O_FILES)
	$(AFILE_SIZES) $@ NUM_SEQUENCES SEQUENCE_SIZES .data $^

-include $(DEP_FILES)

# Print target for debugging
print-% : ; $(info $* is a $(flavor $*) variable set to [$($*)]) @true