# Makefile to rebuild SM64 split image

include util.mk

# Dynos
include dynos.mk

# Default target
default: all

# Preprocessor definitions
DEFINES :=

#==============================================================================#
# Build Options                                                                #
#==============================================================================#

# These options can either be set by building with 'make SETTING=value'.
# 'make clean' may be required first.

# Build debug version
DEBUG ?= 0

# Enable development/testing flags
DEVELOPMENT ?= 0

# Build for the N64 (turn this off for ports)
TARGET_N64 = 0

# Build and optimize for Raspberry Pi(s)
TARGET_RPI ?= 0

# Build for Emscripten/WebGL
TARGET_WEB ?= 0

# Makeflag to enable OSX fixes
OSX_BUILD ?= 0

# Specify the target you are building for, TARGET_BITS=0 means native
TARGET_ARCH ?= native
TARGET_BITS ?= 0

# Enable immediate load by default
IMMEDIATELOAD ?= 1
# Enable better camera by default
BETTERCAMERA ?= 1
# Enable no drawing distance by default
NODRAWINGDISTANCE ?= 1
# Disable texture fixes by default (helps with them purists)
TEXTURE_FIX ?= 1
# Enable extended options menu by default
EXT_OPTIONS_MENU ?= 1
# Disable text-based save-files by default
TEXTSAVES ?= 0
# Load resources from external files
EXTERNAL_DATA ?= 0
# Enable Discord Rich Presence (outdated, no longer supported)
DISCORDRPC ?= 0
# Enable Discord Game SDK (used for Discord server hosting)
DISCORD_SDK ?= 1
# Enable docker build workarounds
DOCKERBUILD ?= 0

# Various workarounds for weird toolchains

NO_BZERO_BCOPY ?= 0
NO_LDIV ?= 0

# Backend selection

# Renderers: GL, GL_LEGACY, D3D11, D3D12, DUMMY
RENDER_API ?= GL
# Window managers: SDL1, SDL2, DXGI (forced if D3D11 or D3D12 in RENDER_API), DUMMY (forced if RENDER_API is DUMMY)
WINDOW_API ?= SDL2
# Audio backends: SDL1, SDL2, DUMMY
AUDIO_API ?= SDL2
# Controller backends (can have multiple, space separated): SDL2, SDL1
CONTROLLER_API ?= SDL2

# Misc settings for EXTERNAL_DATA

BASEDIR ?= res
BASEPACK ?= base.zip

# Automatic settings for PC port(s)

WINDOWS_BUILD ?= 0

WINDOWS_AUTO_BUILDER ?= 0


# COMPILER - selects the C compiler to use
#   gcc - uses the GNU C Compiler
COMPILER = gcc
$(eval $(call validate-option,COMPILER,ido gcc))

ifeq ($(WINDOWS_AUTO_BUILDER),1)
  export SHELL=sh.exe
  EXTRA_INCLUDES := ../include/1 ../include/2 ../include/3 ../include/4
  EXTRA_CFLAGS := -Wno-expansion-to-defined

  EXTRA_CPP_INCLUDES := ../include/cpp
  EXTRA_CPP_FLAGS := -Wno-class-conversion -Wno-packed-not-aligned
else
  EXTRA_INCLUDES ?=
  EXTRA_CFLAGS ?=

  EXTRA_CPP_INCLUDES ?=
  EXTRA_CPP_FLAGS ?=
endif

# Attempt to detect OS

ifeq ($(OS),Windows_NT)
  HOST_OS ?= Windows
else
  HOST_OS ?= $(shell uname -s 2>/dev/null || echo Unknown)
  # some weird MINGW/Cygwin env that doesn't define $OS
  ifneq (,$(findstring MINGW,HOST_OS))
    HOST_OS := Windows
  endif
endif

ifeq ($(TARGET_WEB),0)
  ifeq ($(HOST_OS),Windows)
    WINDOWS_BUILD := 1
  endif
endif

# MXE overrides

ifeq ($(WINDOWS_BUILD),1)
  ifeq ($(CROSS),i686-w64-mingw32.static-)
    TARGET_ARCH = i386pe
    TARGET_BITS = 32
    NO_BZERO_BCOPY := 1
  else ifeq ($(CROSS),x86_64-w64-mingw32.static-)
    TARGET_ARCH = i386pe
    TARGET_BITS = 64
    NO_BZERO_BCOPY := 1
  endif
endif

ifneq ($(TARGET_BITS),0)
  BITS := -m$(TARGET_BITS)
endif

# Determine default windows target bits

ifeq ($(WINDOWS_BUILD), 1)
  ifeq ($(TARGET_BITS), 0)
    CPU_TYPE := $(firstword $(subst -, ,$(shell $(CC) -dumpmachine)))
    ifeq ($(CPU_TYPE), x86_64)
      TARGET_BITS := 64
    else ifeq ($(CPU_TYPE), i686)
      TARGET_BITS := 32
    else ifeq ($(CPU_TYPE), mingw32)
      TARGET_BITS := 32
    endif
  endif
endif


# VERSION - selects the version of the game to build
#   jp - builds the 1996 Japanese version
#   us - builds the 1996 North American version
#   eu - builds the 1997 PAL version
#   sh - builds the 1997 Japanese Shindou version, with rumble pak support
VERSION ?= us
$(eval $(call validate-option,VERSION,jp us eu sh))

# Graphics microcode used
GRUCODE ?= f3dex2e

ifeq      ($(VERSION),jp)
  DEFINES   += VERSION_JP=1
  OPT_FLAGS := -g
  #GRUCODE   ?= f3d_old
  VERSION_JP_US  ?= true
else ifeq ($(VERSION),us)
  DEFINES   += VERSION_US=1
  OPT_FLAGS := -g
  #GRUCODE   ?= f3d_old
  VERSION_JP_US  ?= true
else ifeq ($(VERSION),eu)
  DEFINES   += VERSION_EU=1
  OPT_FLAGS := -O2
  #GRUCODE   ?= f3d_new
  VERSION_JP_US  ?= false
else ifeq ($(VERSION),sh)
  DEFINES   += VERSION_SH=1
  OPT_FLAGS := -O2
  #GRUCODE   ?= f3d_new
  VERSION_JP_US  ?= false
endif

ifeq ($(TARGET_WEB),1)
  OPT_FLAGS := -O2 -g4 --source-map-base http://localhost:8080/
endif

ifeq ($(TARGET_RPI),1)
	machine = $(shell sh -c 'uname -m 2>/dev/null || echo unknown')

    # Raspberry Pi B+, Zero, etc
	ifneq (,$(findstring armv6l,$(machine)))
		OPT_FLAGS := -march=armv6zk+fp -mfpu=vfp -Ofast
	endif

    # Raspberry Pi 2 and 3 in ARM 32bit mode
	ifneq (,$(findstring armv7l,$(machine)))
		model = $(shell sh -c 'cat /sys/firmware/devicetree/base/model 2>/dev/null || echo unknown')
		ifneq (,$(findstring 3,$(model)))
			 OPT_FLAGS := -march=armv8-a+crc -mtune=cortex-a53 -mfpu=neon-fp-armv8 -O3
		else
			 OPT_FLAGS := -march=armv7-a -mtune=cortex-a7 -mfpu=neon-vfpv4 -O3
		endif
	endif

    # RPi3 or RPi4, in ARM64 (aarch64) mode. NEEDS TESTING 32BIT.
    # DO NOT pass -mfpu stuff here, thats for 32bit ARM only and will fail for 64bit ARM.
	ifneq (,$(findstring aarch64,$(machine)))
		model = $(shell sh -c 'cat /sys/firmware/devicetree/base/model 2>/dev/null || echo unknown')
		ifneq (,$(findstring 3,$(model)))
			 OPT_FLAGS := -march=armv8-a+crc -mtune=cortex-a53 -O3
		else ifneq (,$(findstring 4,$(model)))
			 OPT_FLAGS := -march=armv8-a+crc+simd -mtune=cortex-a72 -O3
		endif
	endif
endif

# Set BITS (32/64) to compile for
OPT_FLAGS += $(BITS)

TARGET := sm64.$(VERSION)

# Stuff for showing the git hash in the intro on nightly builds
# From https://stackoverflow.com/questions/44038428/include-git-commit-hash-and-or-branch-name-in-c-c-source
#ifeq ($(shell git rev-parse --abbrev-ref HEAD),nightly)
#  GIT_HASH=`git rev-parse --short HEAD`
#  COMPILE_TIME=`date -u +'%Y-%m-%d %H:%M:%S UTC'`
#  DEFINES += -DNIGHTLY -DGIT_HASH="\"$(GIT_HASH)\"" -DCOMPILE_TIME="\"$(COMPILE_TIME)\""
#endif


# GRUCODE - selects which RSP microcode to use.
#   f3d_old - default for JP and US versions
#   f3d_new - default for EU and Shindou versions
#   f3dex   -
#   f3dex2  -
#   f3dex2e -
#   f3dzex  - newer, experimental microcode used in Animal Crossing
$(eval $(call validate-option,GRUCODE,f3d_old f3dex f3dex2 f3dex2e f3d_new f3dzex))

ifeq      ($(GRUCODE),f3d_old)
  DEFINES += F3D_OLD=1
else ifeq ($(GRUCODE),f3d_new) # Fast3D 2.0H
  DEFINES += F3D_NEW=1
else ifeq ($(GRUCODE),f3dex) # Fast3DEX
  DEFINES += F3DEX_GBI=1 F3DEX_GBI_SHARED=1
else ifeq ($(GRUCODE), f3dex2) # Fast3DEX2
  DEFINES += F3DEX_GBI_2=1 F3DEX_GBI_SHARED=1
else ifeq ($(GRUCODE), f3dex2e) # Fast3DEX2 Extended (PC default)
  DEFINES += F3DEX_GBI_2E=1 F3DEX_GBI_SHARED=1
else ifeq ($(GRUCODE),f3dzex) # Fast3DZEX (2.0J / Animal Forest - Dōbutsu no Mori)
  $(warning Fast3DZEX is experimental. Try at your own risk.)
  DEFINES += F3DZEX_GBI_2=1 F3DEX_GBI_2=1 F3DEX_GBI_SHARED=1
endif

# Check for certain target types.

ifeq ($(TARGET_RPI),1) # Define RPi to change SDL2 title & GLES2 hints
     DEFINES += USE_GLES=1
endif

ifeq ($(OSX_BUILD),1) # Modify GFX & SDL2 for OSX GL
     DEFINES += OSX_BUILD=1
endif

ifeq ($(TARGET_WEB),1)
     DEFINES := $(DEFINES) -DTARGET_WEB -DUSE_GLES
endif

# Check backends

ifneq (,$(filter $(RENDER_API),D3D11 D3D12))
  ifneq ($(WINDOWS_BUILD),1)
    $(error DirectX is only supported on Windows)
  endif
  ifneq ($(WINDOW_API),DXGI)
    $(warning DirectX renderers require DXGI, forcing WINDOW_API value)
    WINDOW_API := DXGI
  endif
else
  ifeq ($(WINDOW_API),DXGI)
    $(error DXGI can only be used with DirectX renderers)
  endif
  ifneq ($(WINDOW_API),DUMMY)
    ifeq ($(RENDER_API),DUMMY)
      $(warning Dummy renderer requires dummy window API, forcing WINDOW_API value)
      WINDOW_API := DUMMY
    endif
  else
    ifneq ($(RENDER_API),DUMMY)
      $(warning Dummy window API requires dummy renderer, forcing RENDER_API value)
      RENDER_API := DUMMY
    endif
  endif
endif


# NON_MATCHING - whether to build a matching, identical copy of the ROM
#   1 - enable some alternate, more portable code that does not produce a matching ROM
#   0 - build a matching ROM
NON_MATCHING ?= 0
$(eval $(call validate-option,NON_MATCHING,0 1))

ifeq ($(TARGET_N64),0)
  NON_MATCHING := 1
endif

ifeq ($(NON_MATCHING),1)
  DEFINES += NON_MATCHING=1 AVOID_UB=1
  COMPARE := 0
endif


# COMPARE - whether to verify the SHA-1 hash of the ROM after building
#   1 - verifies the SHA-1 hash of the selected version of the game
#   0 - does not verify the hash
COMPARE ?= 1
$(eval $(call validate-option,COMPARE,0 1))

TARGET_STRING := sm64.$(VERSION).$(GRUCODE)
# If non-default settings were chosen, disable COMPARE
ifeq ($(filter $(TARGET_STRING), sm64.jp.f3d_old sm64.us.f3d_old sm64.eu.f3d_new sm64.sh.f3d_new),)
  COMPARE := 0
endif

# Whether to hide commands or not
VERBOSE ?= 0
ifeq ($(VERBOSE),0)
  V := @
endif

# Whether to colorize build messages
COLOR ?= 1

# display selected options unless 'make clean' or 'make distclean' is run
ifeq ($(filter clean distclean,$(MAKECMDGOALS)),)
  $(info ==== Build Options ====)
  $(info Version:        $(VERSION))
  $(info Microcode:      $(GRUCODE))
  $(info Target:         $(TARGET))
  ifeq ($(COMPARE),1)
    $(info Compare ROM:    yes)
  else
    $(info Compare ROM:    no)
  endif
  ifeq ($(NON_MATCHING),1)
    $(info Build Matching: no)
  else
    $(info Build Matching: yes)
  endif
  $(info =======================)
endif


#==============================================================================#
# Universal Dependencies                                                       #
#==============================================================================#

TOOLS_DIR := tools

# (This is a bit hacky, but a lot of rules implicitly depend
# on tools and assets, and we use directory globs further down
# in the makefile that we want should cover assets.)

PYTHON := python3

ifeq ($(filter clean distclean print-%,$(MAKECMDGOALS)),)

  # Make sure assets exist
  NOEXTRACT ?= 0
  ifeq ($(NOEXTRACT),0)
    DUMMY != $(PYTHON) extract_assets.py $(VERSION) >&2 || echo FAIL
    ifeq ($(DUMMY),FAIL)
      $(error Failed to extract assets)
    endif
  endif

  # Make tools if out of date
  $(info Building tools...)
  #DUMMY != $(MAKE) -s -C $(TOOLS_DIR) $(if $(filter-out ido0,$(COMPILER)$(USE_QEMU_IRIX)),all-except-recomp,) >&2 || echo FAIL
  DUMMY != $(MAKE) -C $(TOOLS_DIR) >&2 || echo FAIL
    ifeq ($(DUMMY),FAIL)
      $(error Failed to build tools)
    endif
  $(info Building Game...)

endif

#==============================================================================#
# Extra Source Files                                                           #
#==============================================================================#

# Luigi and wario sounds don't work on 32-bit right now
# And the audio code is so terrible I don't care enough to figure it out at the moment
ifeq ($(TARGET_BITS), 32)
  _ := $(shell rm -rf sound/samples/sfx_custom_luigi/*.aiff)
  _ := $(shell rm -rf sound/samples/sfx_custom_luigi_peach/*.aiff)
  _ := $(shell rm -rf sound/samples/sfx_custom_wario/*.aiff)
  _ := $(shell rm -rf sound/samples/sfx_custom_wario_peach/*.aiff)
endif

# Copy missing character sounds from mario sound banks
_ := $(shell $(PYTHON) $(TOOLS_DIR)/copy_mario_sounds.py)

#==============================================================================#
# Target Executable and Sources                                                #
#==============================================================================#

BUILD_DIR_BASE := build
# BUILD_DIR is the location where all build artifacts are placed
ifeq ($(TARGET_WEB),1)
  BUILD_DIR := $(BUILD_DIR_BASE)/$(VERSION)_web
else
  BUILD_DIR := $(BUILD_DIR_BASE)/$(VERSION)_pc
endif

ifeq ($(TARGET_WEB),1)
	EXE := $(BUILD_DIR)/$(TARGET_STRING).html
else
	ifeq ($(WINDOWS_BUILD),1)
		EXE := $(BUILD_DIR)/$(TARGET_STRING).exe
	else # Linux builds/binary namer
		ifeq ($(TARGET_RPI),1)
			EXE := $(BUILD_DIR)/$(TARGET_STRING).arm
		else
			EXE := $(BUILD_DIR)/$(TARGET_STRING)
		endif
	endif
endif

ELF            := $(BUILD_DIR)/$(TARGET).elf
LIBULTRA       := $(BUILD_DIR)/libultra.a
LD_SCRIPT      := sm64.ld
MIO0_DIR       := $(BUILD_DIR)/bin
SOUND_BIN_DIR  := $(BUILD_DIR)/sound
TEXTURE_DIR    := textures
ACTOR_DIR      := actors
LEVEL_DIRS     := $(patsubst levels/%,%,$(dir $(wildcard levels/*/header.h)))

# Directories containing source files
SRC_DIRS := src src/engine src/game src/audio src/menu src/buffers actors levels bin data assets asm lib sound
BIN_DIRS := bin bin/$(VERSION)

# PC files
SRC_DIRS += src/pc src/pc/gfx src/pc/audio src/pc/controller src/pc/fs src/pc/fs/packtypes src/pc/mods src/pc/network src/pc/network/packets src/pc/network/socket src/pc/utils src/pc/djui src/pc/lua src/pc/lua/utils

#ifeq ($(DISCORDRPC),1)
#  SRC_DIRS += src/pc/discord
#endif

ifeq ($(DISCORD_SDK),1)
  SRC_DIRS += src/pc/network/discord
endif

ULTRA_SRC_DIRS := lib/src lib/src/math lib/asm lib/data
ULTRA_BIN_DIRS := lib/bin

GODDARD_SRC_DIRS := src/goddard src/goddard/dynlists

# File dependencies and variables for specific files
include Makefile.split

# Source code files
LEVEL_C_FILES     := $(wildcard levels/*/leveldata.c) $(wildcard levels/*/script.c) $(wildcard levels/*/geo.c)
C_FILES           := $(foreach dir,$(SRC_DIRS),$(wildcard $(dir)/*.c)) $(LEVEL_C_FILES)
CPP_FILES         := $(foreach dir,$(SRC_DIRS),$(wildcard $(dir)/*.cpp))
S_FILES           := $(foreach dir,$(SRC_DIRS),$(wildcard $(dir)/*.s))
ULTRA_C_FILES     := $(foreach dir,$(ULTRA_SRC_DIRS),$(wildcard $(dir)/*.c))
GODDARD_C_FILES   := $(foreach dir,$(GODDARD_SRC_DIRS),$(wildcard $(dir)/*.c))
ULTRA_S_FILES     := $(foreach dir,$(ULTRA_SRC_DIRS),$(wildcard $(dir)/*.s))
GENERATED_C_FILES := $(BUILD_DIR)/assets/mario_anim_data.c $(BUILD_DIR)/assets/demo_data.c

ifeq ($(TARGET_N64),0)
  GENERATED_C_FILES += $(addprefix $(BUILD_DIR)/bin/,$(addsuffix _skybox.c,$(notdir $(basename $(wildcard textures/skyboxes/*.png)))))
endif

# "If we're N64, use the above"
ifeq ($(TARGET_N64),0)
	ULTRA_C_FILES := \
	  alBnkfNew.c \
	  guLookAtRef.c \
	  guMtxF2L.c \
	  guNormalize.c \
	  guOrthoF.c \
	  guPerspectiveF.c \
	  guRotateF.c \
	  guScaleF.c \
	  guTranslateF.c \
	  ldiv.c

	C_FILES           := $(filter-out src/game/main.c,$(C_FILES))
	ULTRA_C_FILES     := $(addprefix lib/src/,$(ULTRA_C_FILES))
endif

# Sound files
SOUND_BANK_FILES    := $(wildcard sound/sound_banks/*.json)
SOUND_SAMPLE_DIRS   := $(wildcard sound/samples/*)
SOUND_SAMPLE_AIFFS  := $(foreach dir,$(SOUND_SAMPLE_DIRS),$(wildcard $(dir)/*.aiff))
SOUND_SAMPLE_TABLES := $(foreach file,$(SOUND_SAMPLE_AIFFS),$(BUILD_DIR)/$(file:.aiff=.table))
SOUND_SAMPLE_AIFCS  := $(foreach file,$(SOUND_SAMPLE_AIFFS),$(BUILD_DIR)/$(file:.aiff=.aifc))
SOUND_SEQUENCE_DIRS := sound/sequences sound/sequences/$(VERSION)
# all .m64 files in SOUND_SEQUENCE_DIRS, plus all .m64 files that are generated from .s files in SOUND_SEQUENCE_DIRS
SOUND_SEQUENCE_FILES := \
  $(foreach dir,$(SOUND_SEQUENCE_DIRS),\
    $(wildcard $(dir)/*.m64) \
    $(foreach file,$(wildcard $(dir)/*.s),$(BUILD_DIR)/$(file:.s=.m64)) \
  )

# Object files
O_FILES := $(foreach file,$(C_FILES),$(BUILD_DIR)/$(file:.c=.o)) \
           $(foreach file,$(CPP_FILES),$(BUILD_DIR)/$(file:.cpp=.o)) \
           $(foreach file,$(S_FILES),$(BUILD_DIR)/$(file:.s=.o)) \
           $(foreach file,$(GENERATED_C_FILES),$(file:.c=.o))

ULTRA_O_FILES := $(foreach file,$(ULTRA_S_FILES),$(BUILD_DIR)/$(file:.s=.o)) \
                 $(foreach file,$(ULTRA_C_FILES),$(BUILD_DIR)/$(file:.c=.o))

GODDARD_O_FILES := $(foreach file,$(GODDARD_C_FILES),$(BUILD_DIR)/$(file:.c=.o))

RPC_LIBS :=
#ifeq ($(DISCORDRPC),1)
#  ifeq ($(WINDOWS_BUILD),1)
#    RPC_LIBS := lib/discord/libdiscord-rpc.dll
#  else ifeq ($(OSX_BUILD),1) 
#    # needs testing
#    RPC_LIBS := lib/discord/libdiscord-rpc.dylib
#  else
#    RPC_LIBS := lib/discord/libdiscord-rpc.so
#  endif
#endif

DISCORD_SDK_LIBS :=
ifeq ($(DISCORD_SDK), 1)
  ifeq ($(WINDOWS_BUILD),1)
    ifeq ($(TARGET_BITS), 32)
      DISCORD_SDK_LIBS := lib/discordsdk/x86/discord_game_sdk.dll
    else
      DISCORD_SDK_LIBS := lib/discordsdk/discord_game_sdk.dll
    endif
  else ifeq ($(OSX_BUILD),1)
    # needs testing
    # HACKY! Instead of figuring out all of the dynamic library linking madness...
    # I copied the library and gave it two names.
    # This really shouldn't be required, but I got tired of trying to do it the "right way"
    DISCORD_SDK_LIBS := lib/discordsdk/discord_game_sdk.dylib lib/discordsdk/libdiscord_game_sdk.dylib
  else
    DISCORD_SDK_LIBS := lib/discordsdk/libdiscord_game_sdk.so
  endif
endif

MOD_DIR := mods

# Automatic dependency files
DEP_FILES := $(O_FILES:.o=.d) $(ULTRA_O_FILES:.o=.d) $(GODDARD_O_FILES:.o=.d) $(BUILD_DIR)/$(LD_SCRIPT).d

# Segment elf files
SEG_FILES := $(SEGMENT_ELF_FILES) $(ACTOR_ELF_FILES) $(LEVEL_ELF_FILES)

# Files with GLOBAL_ASM blocks
ifeq ($(NON_MATCHING),0)
  ifeq ($(VERSION),sh)
    GLOBAL_ASM_C_FILES != grep -rl 'GLOBAL_ASM(' $(wildcard src/**/*.c) $(wildcard lib/src/*.c)
  else
    GLOBAL_ASM_C_FILES != grep -rl 'GLOBAL_ASM(' $(wildcard src/**/*.c)
  endif
GLOBAL_ASM_O_FILES = $(foreach file,$(GLOBAL_ASM_C_FILES),$(BUILD_DIR)/$(file:.c=.o))
GLOBAL_ASM_DEP = $(BUILD_DIR)/src/audio/non_matching_dep
endif


#==============================================================================#
# Compiler Options                                                             #
#==============================================================================#

AS        := $(CROSS)as

ifeq ($(OSX_BUILD),1)
  AS := i686-w64-mingw32-as
endif

ifeq ($(COMPILER),gcc)
  CC      := $(CROSS)gcc
  CXX     := $(CROSS)g++
else ifeq ($(TARGET_WEB),1) # As in, web PC port
  CC     := emcc
  CXX    := emcc
else
  ifeq ($(USE_QEMU_IRIX),1)
    IRIX_ROOT := $(TOOLS_DIR)/ido5.3_compiler
    CC      := $(QEMU_IRIX) -silent -L $(IRIX_ROOT) $(IRIX_ROOT)/usr/bin/cc
    ACPP    := $(QEMU_IRIX) -silent -L $(IRIX_ROOT) $(IRIX_ROOT)/usr/lib/acpp
    COPT    := $(QEMU_IRIX) -silent -L $(IRIX_ROOT) $(IRIX_ROOT)/usr/lib/copt
  else
    IDO_ROOT := $(TOOLS_DIR)/ido5.3_recomp
    CC      := $(IDO_ROOT)/cc
    ACPP    := $(IDO_ROOT)/acpp
    COPT    := $(IDO_ROOT)/copt
  endif
endif

ifeq ($(WINDOWS_BUILD),1) # fixes compilation in MXE on Linux and WSL
  CPP := cpp -P
  OBJCOPY := objcopy
  OBJDUMP := $(CROSS)objdump
else ifeq ($(OSX_BUILD),1)
  CPP := cpp-9 -P
  OBJDUMP := i686-w64-mingw32-objdump
  OBJCOPY := i686-w64-mingw32-objcopy
else ifeq ($(TARGET_N64),0) # Linux & other builds
  CPP := $(CROSS)cpp -P
  OBJCOPY := $(CROSS)objcopy
  OBJDUMP := $(CROSS)objdump
else
  # Prefer gcc's cpp if installed on the system
  ifneq (,$(call find-command,cpp-10))
    CPP     := cpp-10
  else
    CPP     := cpp
  endif
  OBJDUMP := $(CROSS)objdump
  OBJCOPY := $(CROSS)objcopy
endif

# thank you apple very cool
ifeq ($(HOST_OS),Darwin)
  CP := gcp
else
  CP := cp
endif

#ifeq ($(DISCORDRPC),1)
ifeq ($(DISCORD_SDK),1)
  LD := $(CXX)
else ifeq ($(WINDOWS_BUILD),1)
  ifeq ($(CROSS),i686-w64-mingw32.static-) # fixes compilation in MXE on Linux and WSL
    LD := $(CC)
  else ifeq ($(CROSS),x86_64-w64-mingw32.static-)
    LD := $(CC)
  else
    LD := $(CXX)
  endif
else
  LD := $(CROSS)ld
endif

AR        := $(CROSS)ar

ifeq ($(TARGET_N64),1)
  TARGET_CFLAGS := -nostdinc -DTARGET_N64 -D_LANGUAGE_C
  CC_CFLAGS := -fno-builtin
else
  TARGET_CFLAGS := -D_LANGUAGE_C
endif

INCLUDE_DIRS := include $(BUILD_DIR) $(BUILD_DIR)/include src .
ifeq ($(TARGET_N64),1)
  INCLUDE_DIRS += include/libc
else
  INCLUDE_DIRS += sound lib/lua/include $(EXTRA_INCLUDES)
endif

# Connfigure backend flags

SDLCONFIG := $(CROSS)sdl2-config

BACKEND_CFLAGS := -DRAPI_$(RENDER_API)=1 -DWAPI_$(WINDOW_API)=1 -DAAPI_$(AUDIO_API)=1
# can have multiple controller APIs
BACKEND_CFLAGS += $(foreach capi,$(CONTROLLER_API),-DCAPI_$(capi)=1)
BACKEND_LDFLAG0S :=

SDL1_USED := 0
SDL2_USED := 0

# suppress warnings
BACKEND_CFLAGS += -Wno-format-security -Wno-trigraphs
BACKEND_CFLAGS += $(EXTRA_CFLAGS)

# for now, it's either SDL+GL or DXGI+DirectX, so choose based on WAPI
ifeq ($(WINDOW_API),DXGI)
  DXBITS := `cat $(ENDIAN_BITWIDTH) | tr ' ' '\n' | tail -1`
  ifeq ($(RENDER_API),D3D12)
    BACKEND_CFLAGS += -Iinclude/dxsdk
  endif
  BACKEND_LDFLAGS += -ld3dcompiler -ldxgi -ldxguid
  BACKEND_LDFLAGS += -lsetupapi -ldinput8 -luser32 -lgdi32 -limm32 -lole32 -loleaut32 -lshell32 -lwinmm -lversion -luuid -static
else ifeq ($(findstring SDL,$(WINDOW_API)),SDL)
  ifeq ($(WINDOWS_BUILD),1)
    BACKEND_LDFLAGS += -lglew32 -lglu32 -lopengl32
  else ifeq ($(TARGET_RPI),1)
    BACKEND_LDFLAGS += -lGLESv2
  else ifeq ($(OSX_BUILD),1)
    BACKEND_LDFLAGS += -framework OpenGL `pkg-config --libs glew`
    EXTRA_CPP_FLAGS += -stdlib=libc++ -std=c++0x
  else
    BACKEND_LDFLAGS += -lGL
   endif
endif

ifneq (,$(findstring SDL2,$(AUDIO_API)$(WINDOW_API)$(CONTROLLER_API)))
  SDL2_USED := 1
endif

ifneq (,$(findstring SDL1,$(AUDIO_API)$(WINDOW_API)$(CONTROLLER_API)))
  SDL1_USED := 1
endif

ifeq ($(SDL1_USED)$(SDL2_USED),11)
  $(error Cannot link both SDL1 and SDL2 at the same time)
endif

# SDL can be used by different systems, so we consolidate all of that shit into this
 
ifeq ($(SDL2_USED),1)
  SDLCONFIG := $(CROSS)sdl2-config
  BACKEND_CFLAGS += -DHAVE_SDL2=1
else ifeq ($(SDL1_USED),1)
  SDLCONFIG := $(CROSS)sdl-config
  BACKEND_CFLAGS += -DHAVE_SDL1=1
endif

ifneq ($(SDL1_USED)$(SDL2_USED),00)
  ifeq ($(OSX_BUILD),1)
    # on OSX at least the homebrew version of sdl-config gives include path as `.../include/SDL2` instead of `.../include`
    OSX_PREFIX := $(shell $(SDLCONFIG) --prefix)
    BACKEND_CFLAGS += -I$(OSX_PREFIX)/include $(shell $(SDLCONFIG) --cflags)
  else
    BACKEND_CFLAGS += `$(SDLCONFIG) --cflags`
  endif
  
  ifeq ($(WINDOWS_BUILD),1)
    BACKEND_LDFLAGS += `$(SDLCONFIG) --static-libs` -lsetupapi -luser32 -limm32 -lole32 -loleaut32 -lshell32 -lwinmm -lversion
  else
    BACKEND_LDFLAGS += `$(SDLCONFIG) --libs`
  endif
endif

C_DEFINES := $(foreach d,$(DEFINES),-D$(d))
DEF_INC_CFLAGS := $(foreach i,$(INCLUDE_DIRS),-I$(i)) $(C_DEFINES)

# Check code syntax with host compiler
CC_CHECK := $(CC)

ifeq ($(WINDOWS_BUILD),1)
  CC_CHECK_CFLAGS := -fsyntax-only -fsigned-char $(BACKEND_CFLAGS) $(DEF_INC_CFLAGS) -Wall -Wextra $(TARGET_CFLAGS) -DWINSOCK
  CFLAGS := $(OPT_FLAGS) $(DEF_INC_CFLAGS) $(BACKEND_CFLAGS) $(TARGET_CFLAGS) -fno-strict-aliasing -fwrapv -DWINSOCK

  ifeq ($(TARGET_BITS), 32)
    BACKEND_LDFLAGS += -ldbghelp
  endif
else ifeq ($(TARGET_WEB),1)
  CC_CHECK_CFLAGS := -fsyntax-only -fsigned-char $(BACKEND_CFLAGS) $(DEF_INC_CFLAGS) -Wall -Wextra -Wno-format-security $(TARGET_CFLAGS) -s USE_SDL=2
  CFLAGS := $(OPT_FLAGS) $(DEF_INC_CFLAGS) $(BACKEND_CFLAGS) $(TARGET_CFLAGS) -fno-strict-aliasing -fwrapv -s USE_SDL=2
else ifeq ($(TARGET_N64),0) # Linux / Other builds below
  CC_CHECK_CFLAGS := -fsyntax-only -fsigned-char $(BACKEND_CFLAGS) $(DEF_INC_CFLAGS) -Wall -Wextra $(TARGET_CFLAGS)
  CFLAGS := $(OPT_FLAGS) $(DEF_INC_CFLAGS) $(BACKEND_CFLAGS) $(TARGET_CFLAGS) -fno-strict-aliasing -fwrapv
else # C compiler options for N64
  CC_CHECK_CFLAGS := -fsyntax-only -fsigned-char $(CC_CFLAGS) $(TARGET_CFLAGS) -std=gnu90 -Wall -Wextra -Wno-main -DNON_MATCHING -DAVOID_UB $(DEF_INC_CFLAGS)
  CFLAGS = -G 0 $(OPT_FLAGS) $(TARGET_CFLAGS) $(MIPSISET) $(DEF_INC_CFLAGS)
  ifeq ($(COMPILER),gcc)
    CFLAGS += -mno-shared -march=vr4300 -mfix4300 -mabi=32 -mhard-float -mdivide-breaks -fno-stack-protector -fno-common -fno-zero-initialized-in-bss -fno-PIC -mno-abicalls -fno-strict-aliasing -fno-inline-functions -ffreestanding -fwrapv -Wall -Wextra
  else
    CFLAGS += -non_shared -Wab,-r4300_mul -Xcpluscomm -Xfullwarn -signed -32
  endif
endif

ifeq ($(TARGET_N64),1)
  ASFLAGS     := -march=vr4300 -mabi=32 $(foreach i,$(INCLUDE_DIRS),-I$(i)) $(foreach d,$(DEFINES),--defsym $(d))
  RSPASMFLAGS := $(foreach d,$(DEFINES),-definelabel $(subst =, ,$(d)))
else
  ASFLAGS     := $(foreach i,$(INCLUDE_DIRS),-I$(i)) $(foreach d,$(DEFINES),--defsym $(d))
  RSPASMFLAGS := 
endif

# C preprocessor flags
CPPFLAGS := -P -Wno-trigraphs $(DEF_INC_CFLAGS)

ifeq ($(TARGET_N64),1)
  ifeq ($(shell getconf LONG_BIT), 32)
    # Work around memory allocation bug in QEMU
    export QEMU_GUEST_BASE := 1
  else
    # Ensure that gcc treats the code as 32-bit
    CC_CHECK_CFLAGS += -m32
  endif
endif

ifeq ($(TARGET_WEB),1)
  LDFLAGS := -lm -lGL -lSDL2 -no-pie -s TOTAL_MEMORY=20MB -g4 --source-map-base http://localhost:8080/ -s "EXTRA_EXPORTED_RUNTIME_METHODS=['callMain']"
else ifeq ($(WINDOWS_BUILD),1)
  LDFLAGS := $(BITS) -march=$(TARGET_ARCH) -Llib -lpthread $(BACKEND_LDFLAGS) -static
  ifeq ($(CROSS),)
    LDFLAGS += -no-pie
  endif
  ifeq ($(WINDOWS_CONSOLE),1)
    LDFLAGS += -mconsole
  endif
else ifeq ($(TARGET_RPI),1)
  LDFLAGS := $(OPT_FLAGS) -lm $(BACKEND_LDFLAGS) -no-pie
else ifeq ($(OSX_BUILD),1)
  LDFLAGS := -lm $(BACKEND_LDFLAGS) -lpthread
else
  LDFLAGS := $(BITS) -march=$(TARGET_ARCH) -lm $(BACKEND_LDFLAGS) -no-pie -lpthread
#  ifeq ($(DISCORDRPC),1)
#    LDFLAGS += -ldl -Wl,-rpath .
#  endif
endif

# Coop specific libraries

# Lua
ifeq ($(WINDOWS_BUILD),1)
  ifeq ($(TARGET_BITS), 32)
    LDFLAGS += -Llib/lua/win32 -l:liblua53.a
  else
    LDFLAGS += -Llib/lua/win64 -l:liblua53.a
  endif
else ifeq ($(OSX_BUILD),1)
  LDFLAGS += -L./lib/lua/mac/ -l lua53
else
  LDFLAGS += -Llib/lua/linux -l:liblua53.a
endif

# Network
ifeq ($(WINDOWS_BUILD),1)
  LDFLAGS += -L"ws2_32" -lwsock32
  ifeq ($(DISCORD_SDK),1)
    LDFLAGS += -Wl,-Bdynamic -L./lib/discordsdk/ -ldiscord_game_sdk -Wl,-Bstatic
  endif
else
  ifeq ($(DISCORD_SDK),1)
    LDFLAGS += -ldiscord_game_sdk -Wl,-rpath . -Wl,-rpath lib/discordsdk
  endif
endif

# Prevent a crash with -sopt
export LANG := C

#==============================================================================#
# Extra CC Flags                                                               #
#==============================================================================#

# Identify that this is a coop build so that one patch can be applied to EX
# and/or COOP. They can choose to ifdef entity synchronization out.
CC_CHECK_CFLAGS += -DCOOP
CFLAGS += -DCOOP

# Enforce -Werror in strict mode
ifeq ($(STRICT),1)
  CC_CHECK_CFLAGS += -Werror
  CFLAGS += -Werror
endif

# Check for debug option
ifeq ($(DEBUG),1)
  CC_CHECK_CFLAGS += -DDEBUG
  CFLAGS += -DDEBUG
endif

# Check for enhancement options

# Check for immediate load option
ifeq ($(IMMEDIATELOAD),1)
  CC_CHECK_CFLAGS += -DIMMEDIATELOAD
  CFLAGS += -DIMMEDIATELOAD
endif

# Check for docker build workaround option
ifeq ($(DOCKERBUILD),1)
  CC_CHECK_CFLAGS += -DDOCKERBUILD
  CFLAGS += -DDOCKERBUILD
endif

# Check for Puppycam option
ifeq ($(BETTERCAMERA),1)
  CC_CHECK_CFLAGS += -DBETTERCAMERA
  CFLAGS += -DBETTERCAMERA
  EXT_OPTIONS_MENU := 1
endif

#ifeq ($(TEXTSAVES),1)
#  CC_CHECK_CFLAGS += -DTEXTSAVES
#  CFLAGS += -DTEXTSAVES
#endif

# Check for no drawing distance option
#ifeq ($(NODRAWINGDISTANCE),1)
  CC_CHECK_CFLAGS += -DNODRAWINGDISTANCE
  CFLAGS += -DNODRAWINGDISTANCE
#endif

# Check for Discord Rich Presence option
#ifeq ($(DISCORDRPC),1)
#  CC_CHECK_CFLAGS += -DDISCORDRPC
#  CFLAGS += -DDISCORDRPC
#endif

# Check for Discord SDK option
ifeq ($(DISCORD_SDK),1)
  CC_CHECK_CFLAGS += -DDISCORD_SDK
  CFLAGS += -DDISCORD_SDK
endif

# Check for development option
ifeq ($(DEVELOPMENT),1)
  CC_CHECK_CFLAGS += -DDEVELOPMENT
  CFLAGS += -DDEVELOPMENT
endif

# Check for texture fix option
ifeq ($(TEXTURE_FIX),1)
  CC_CHECK_CFLAGS += -DTEXTURE_FIX
  CFLAGS += -DTEXTURE_FIX
endif

# Check for extended options menu option
ifeq ($(EXT_OPTIONS_MENU),1)
  CC_CHECK_CFLAGS += -DEXT_OPTIONS_MENU
  CFLAGS += -DEXT_OPTIONS_MENU
endif

# Check for no bzero/bcopy workaround option
ifeq ($(NO_BZERO_BCOPY),1)
  CC_CHECK_CFLAGS += -DNO_BZERO_BCOPY
  CFLAGS += -DNO_BZERO_BCOPY
endif

# Use internal ldiv()/lldiv()
ifeq ($(NO_LDIV),1)
  CC_CHECK_CFLAGS += -DNO_LDIV
  CFLAGS += -DNO_LDIV
endif

# Use OpenGL 1.3
ifeq ($(LEGACY_GL),1)
  CC_CHECK_CFLAGS += -DLEGACY_GL
  CFLAGS += -DLEGACY_GL
endif

# Load external textures
ifeq ($(EXTERNAL_DATA),1)
  CC_CHECK_CFLAGS += -DEXTERNAL_DATA -DFS_BASEDIR="\"$(BASEDIR)\""
  CFLAGS += -DEXTERNAL_DATA -DFS_BASEDIR="\"$(BASEDIR)\""
  # tell skyconv to write names instead of actual texture data and save the split tiles so we can use them later
  SKYTILE_DIR := $(BUILD_DIR)/textures/skybox_tiles
  SKYCONV_ARGS := --store-names --write-tiles "$(SKYTILE_DIR)"
  $(shell mkdir -p $(SKYTILE_DIR))
endif

#==============================================================================#
# Miscellaneous Tools                                                          #
#==============================================================================#

# N64 tools
MIO0TOOL              := $(TOOLS_DIR)/mio0
N64CKSUM              := $(TOOLS_DIR)/n64cksum
N64GRAPHICS           := $(TOOLS_DIR)/n64graphics
N64GRAPHICS_CI        := $(TOOLS_DIR)/n64graphics_ci
TEXTCONV              := $(TOOLS_DIR)/textconv
AIFF_EXTRACT_CODEBOOK := $(TOOLS_DIR)/aiff_extract_codebook
VADPCM_ENC            := $(TOOLS_DIR)/vadpcm_enc
EXTRACT_DATA_FOR_MIO  := $(TOOLS_DIR)/extract_data_for_mio
SKYCONV               := $(TOOLS_DIR)/skyconv
# Use the system installed armips if available. Otherwise use the one provided with this repository.
ifneq (,$(call find-command,armips))
  RSPASM              := armips
else
  RSPASM              := $(TOOLS_DIR)/armips
endif
ENDIAN_BITWIDTH       := $(BUILD_DIR)/endian-and-bitwidth
EMULATOR = mupen64plus
EMU_FLAGS = --noosd
LOADER = loader64
LOADER_FLAGS = -vwf
SHA1SUM = sha1sum
PRINT = printf

ifeq ($(COLOR),1)
  NO_COL  := \033[0m
  RED     := \033[0;31m
  GREEN   := \033[0;32m
  BLUE    := \033[0;34m
  YELLOW  := \033[0;33m
  BLINK   := \033[33;5m
endif

# Use Objcopy instead of extract_data_for_mio
ifeq ($(COMPILER),gcc)
  EXTRACT_DATA_FOR_MIO := $(OBJCOPY) -O binary --only-section=.data
endif

# Common build print status function
define print
  @$(PRINT) "$(GREEN)$(1) $(YELLOW)$(2)$(GREEN) -> $(BLUE)$(3)$(NO_COL)\n"
endef

#==============================================================================#
# Main Targets                                                                 #
#==============================================================================#

ifeq ($(EXTERNAL_DATA),1)

BASEPACK_PATH := $(BUILD_DIR)/$(BASEDIR)/$(BASEPACK)
BASEPACK_LST := $(BUILD_DIR)/basepack.lst

# depend on resources as well
all: $(BASEPACK_PATH)

# phony target for building resources
res: $(BASEPACK_PATH)

# prepares the basepack.lst
$(BASEPACK_LST): $(EXE)
	@$(PRINT) "$(GREEN)Making basepack list.$(NO_COL)\n"
	@mkdir -p $(BUILD_DIR)/$(BASEDIR)
	@echo -n > $(BASEPACK_LST)
	@echo "$(BUILD_DIR)/sound/bank_sets sound/bank_sets" >> $(BASEPACK_LST)
	@echo "$(BUILD_DIR)/sound/sequences.bin sound/sequences.bin" >> $(BASEPACK_LST)
	@echo "$(BUILD_DIR)/sound/sound_data.ctl sound/sound_data.ctl" >> $(BASEPACK_LST)
	@echo "$(BUILD_DIR)/sound/sound_data.tbl sound/sound_data.tbl" >> $(BASEPACK_LST)
	@$(foreach f, $(wildcard $(SKYTILE_DIR)/*), echo $(f) gfx/$(f:$(BUILD_DIR)/%=%) >> $(BASEPACK_LST);)
	@find actors -name \*.png -exec echo "{} gfx/{}" >> $(BASEPACK_LST) \;
	@find levels -name \*.png -exec echo "{} gfx/{}" >> $(BASEPACK_LST) \;
	@find textures -name \*.png -exec echo "{} gfx/{}" >> $(BASEPACK_LST) \;

# prepares the resource ZIP with base data
$(BASEPACK_PATH): $(BASEPACK_LST)
	@$(PRINT) "$(GREEN)Packing basepack zip file.$(NO_COL)\n"
	$(V)$(PYTHON) $(TOOLS_DIR)/mkzip.py $(BASEPACK_LST) $(BASEPACK_PATH)

endif

#all: $(ROM)
all: $(EXE)

ifeq ($(WINDOWS_BUILD),1)
exemap: $(EXE)
	$(V)$(OBJDUMP) -t $(EXE) > $(BUILD_DIR)/coop.map
all: exemap
endif

ifeq ($(COMPARE),1)
	@$(PRINT) "$(GREEN)Checking if ROM matches.. $(NO_COL)\n"
	@$(SHA1SUM) --quiet -c $(TARGET).sha1 && $(PRINT) "$(TARGET): $(GREEN)OK$(NO_COL)\n" || ($(PRINT) "$(YELLOW)Building the ROM file has succeeded, but does not match the original ROM.\nThis is expected, and not an error, if you are making modifications.\nTo silence this message, use 'make COMPARE=0.' $(NO_COL)\n" && false)
endif

clean:
	$(RM) -r $(BUILD_DIR_BASE)
	
cleantools:
	$(MAKE) -s -C $(TOOLS_DIR) clean

distclean: clean
	$(PYTHON) extract_assets.py --clean
	cleantools

test: $(ROM)
	$(EMULATOR) $(EMU_FLAGS) $<

load: $(ROM)
	$(LOADER) $(LOADER_FLAGS) $<

libultra: $(BUILD_DIR)/libultra.a

$(BUILD_DIR)/$(RPC_LIBS):
	@$(CP) -f $(RPC_LIBS) $(BUILD_DIR)
	
$(BUILD_DIR)/$(DISCORD_SDK_LIBS):
	@$(CP) -f $(DISCORD_SDK_LIBS) $(BUILD_DIR)

$(BUILD_DIR)/$(MOD_DIR):
	@$(CP) -f -r $(MOD_DIR) $(BUILD_DIR)

# Extra object file dependencies

ifeq ($(TARGET_N64),1)
	$(BUILD_DIR)/asm/boot.o:              $(IPL3_RAW_FILES)
	$(BUILD_DIR)/src/game/crash_screen.o: $(CRASH_TEXTURE_C_FILES)
	$(BUILD_DIR)/lib/rsp.o:               $(BUILD_DIR)/rsp/rspboot.bin $(BUILD_DIR)/rsp/fast3d.bin $(BUILD_DIR)/rsp/audio.bin
endif

$(SOUND_BIN_DIR)/sound_data.o:        $(SOUND_BIN_DIR)/sound_data.ctl.inc.c $(SOUND_BIN_DIR)/sound_data.tbl.inc.c $(SOUND_BIN_DIR)/sequences.bin.inc.c $(SOUND_BIN_DIR)/bank_sets.inc.c
$(BUILD_DIR)/levels/scripts.o:        $(BUILD_DIR)/include/level_headers.h

ifeq ($(VERSION),sh)
  $(BUILD_DIR)/src/audio/load.o: $(SOUND_BIN_DIR)/bank_sets.inc.c $(SOUND_BIN_DIR)/sequences_header.inc.c $(SOUND_BIN_DIR)/ctl_header.inc.c $(SOUND_BIN_DIR)/tbl_header.inc.c
endif

$(CRASH_TEXTURE_C_FILES): TEXTURE_ENCODING := u32

ifeq ($(COMPILER),gcc)
  $(BUILD_DIR)/lib/src/math/%.o: CFLAGS += -fno-builtin
endif

ifeq ($(VERSION),eu)
  TEXT_DIRS := text/de text/us text/fr

  # EU encoded text inserted into individual segment 0x19 files,
  # and course data also duplicated in leveldata.c
  $(BUILD_DIR)/bin/eu/translation_en.o: $(BUILD_DIR)/text/us/define_text.inc.c
  $(BUILD_DIR)/bin/eu/translation_de.o: $(BUILD_DIR)/text/de/define_text.inc.c
  $(BUILD_DIR)/bin/eu/translation_fr.o: $(BUILD_DIR)/text/fr/define_text.inc.c
  $(BUILD_DIR)/levels/menu/leveldata.o: $(BUILD_DIR)/include/text_strings.h
  $(BUILD_DIR)/levels/menu/leveldata.o: $(BUILD_DIR)/text/us/define_courses.inc.c
  $(BUILD_DIR)/levels/menu/leveldata.o: $(BUILD_DIR)/text/de/define_courses.inc.c
  $(BUILD_DIR)/levels/menu/leveldata.o: $(BUILD_DIR)/text/fr/define_courses.inc.c
else
  ifeq ($(VERSION),sh)
    TEXT_DIRS := text/jp
    $(BUILD_DIR)/bin/segment2.o: $(BUILD_DIR)/text/jp/define_text.inc.c
  else
    TEXT_DIRS := text/$(VERSION)
    # non-EU encoded text inserted into segment 0x02
    $(BUILD_DIR)/bin/segment2.o: $(BUILD_DIR)/text/$(VERSION)/define_text.inc.c
  endif
endif

ALL_DIRS := $(BUILD_DIR) $(addprefix $(BUILD_DIR)/,$(SRC_DIRS) $(GODDARD_SRC_DIRS) $(ULTRA_SRC_DIRS) $(ULTRA_BIN_DIRS) $(BIN_DIRS) $(TEXTURE_DIRS) $(TEXT_DIRS) $(SOUND_SAMPLE_DIRS) $(addprefix levels/,$(LEVEL_DIRS)) rsp include) $(MIO0_DIR) $(addprefix $(MIO0_DIR)/,$(VERSION)) $(SOUND_BIN_DIR) $(SOUND_BIN_DIR)/sequences/$(VERSION)

# Make sure build directory exists before compiling anything
DUMMY != mkdir -p $(ALL_DIRS)

$(BUILD_DIR)/include/text_strings.h: $(BUILD_DIR)/include/text_menu_strings.h
$(BUILD_DIR)/src/menu/file_select.o: $(BUILD_DIR)/include/text_strings.h
$(BUILD_DIR)/src/menu/star_select.o: $(BUILD_DIR)/include/text_strings.h
$(BUILD_DIR)/src/game/camera.o:      $(BUILD_DIR)/include/text_strings.h
$(BUILD_DIR)/src/game/ingame_menu.o: $(BUILD_DIR)/include/text_strings.h


#==============================================================================#
# Texture Generation                                                           #
#==============================================================================#
TEXTURE_ENCODING := u8

ifeq ($(EXTERNAL_DATA),1)
  $(BUILD_DIR)/%: %.png
	$(call print,Dummying:,$<,$@)
	$(V)$(PYTHON) $(TOOLS_DIR)/zeroterm.py "$(patsubst %.png,%,$^)" > $@
else
  # Convert PNGs to RGBA32, RGBA16, IA16, IA8, IA4, IA1, I8, I4 binary files
  $(BUILD_DIR)/%: %.png
	$(call print,Converting:,$<,$@)
	$(V)$(N64GRAPHICS) -s raw -i $@ -g $< -f $(lastword $(subst ., ,$@))
	
  $(BUILD_DIR)/%.inc.c: %.png
	$(call print,Converting:,$<,$@)
	$(V)$(N64GRAPHICS) -s $(TEXTURE_ENCODING) -i $@ -g $< -f $(lastword ,$(subst ., ,$(basename $<)))
endif


ifeq ($(EXTERNAL_DATA),0)
  # Color Index CI8
  $(BUILD_DIR)/%.ci8: %.ci8.png
	$(call print,Converting:,$<,$@)
	$(V)$(N64GRAPHICS_CI) -i $@ -g $< -f ci8

  # Color Index CI4
  $(BUILD_DIR)/%.ci4: %.ci4.png
	$(call print,Converting:,$<,$@)
	$(V)$(N64GRAPHICS_CI) -i $@ -g $< -f ci4
endif

#==============================================================================#
# Compressed Segment Generation                                                #
#==============================================================================#

ifeq ($(TARGET_N64),1)

# Link segment file to resolve external labels
# TODO: ideally this would be `-Trodata-segment=0x07000000` but that doesn't set the address
$(BUILD_DIR)/%.elf: $(BUILD_DIR)/%.o
	$(call print,Linking ELF file:,$<,$@)
	$(V)$(LD) -e 0 -Ttext=$(SEGMENT_ADDRESS) -Map $@.map -o $@ $<

# Override for leveldata.elf, which otherwise matches the above pattern
.SECONDEXPANSION:
$(BUILD_DIR)/levels/%/leveldata.elf: $(BUILD_DIR)/levels/%/leveldata.o $(BUILD_DIR)/bin/$$(TEXTURE_BIN).elf
	$(call print,Linking ELF file:,$<,$@)
	$(V)$(LD) -e 0 -Ttext=$(SEGMENT_ADDRESS) -Map $@.map --just-symbols=$(BUILD_DIR)/bin/$(TEXTURE_BIN).elf -o $@ $<

$(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.elf
	$(call print,Extracting compressionable data from:,$<,$@)
	$(V)$(EXTRACT_DATA_FOR_MIO) $< $@

$(BUILD_DIR)/levels/%/leveldata.bin: $(BUILD_DIR)/levels/%/leveldata.elf
	$(call print,Extracting compressionable data from:,$<,$@)
	$(V)$(EXTRACT_DATA_FOR_MIO) $< $@

# Compress binary file
$(BUILD_DIR)/%.mio0: $(BUILD_DIR)/%.bin
	$(call print,Compressing:,$<,$@)
	$(V)$(MIO0TOOL) $< $@

# convert binary mio0 to object file
$(BUILD_DIR)/%.mio0.o: $(BUILD_DIR)/%.mio0
	$(call print,Converting MIO0 to ELF:,$<,$@)
	$(V)printf ".section .data\n\n.incbin \"$<\"\n" | $(AS) $(ASFLAGS) -o $@
	
endif


#==============================================================================#
# Sound File Generation                                                        #
#==============================================================================#

$(BUILD_DIR)/%.table: %.aiff
	$(call print,Extracting codebook:,$<,$@)
	$(V)$(AIFF_EXTRACT_CODEBOOK) $< >$@

$(BUILD_DIR)/%.aifc: $(BUILD_DIR)/%.table %.aiff
	$(call print,Encoding VADPCM:,$<,$@)
	$(V)$(VADPCM_ENC) -c $^ $@

$(ENDIAN_BITWIDTH): $(TOOLS_DIR)/determine-endian-bitwidth.c
	@$(PRINT) "$(GREEN)Generating endian-bitwidth $(NO_COL)\n"
	$(V)$(CC) -c $(CFLAGS) -o $@.dummy2 $< 2>$@.dummy1; true
	$(V)grep -o 'msgbegin --endian .* --bitwidth .* msgend' $@.dummy1 > $@.dummy2
	$(V)head -n1 <$@.dummy2 | cut -d' ' -f2-5 > $@
	@$(RM) $@.dummy1
	@$(RM) $@.dummy2

$(SOUND_BIN_DIR)/sound_data.ctl: sound/sound_banks/ $(SOUND_BANK_FILES) $(SOUND_SAMPLE_AIFCS) $(ENDIAN_BITWIDTH)
	@$(PRINT) "$(GREEN)Generating:  $(BLUE)$@ $(NO_COL)\n"
	$(V)$(PYTHON) $(TOOLS_DIR)/assemble_sound.py $(BUILD_DIR)/sound/samples/ sound/sound_banks/ $(SOUND_BIN_DIR)/sound_data.ctl $(SOUND_BIN_DIR)/ctl_header $(SOUND_BIN_DIR)/sound_data.tbl $(SOUND_BIN_DIR)/tbl_header $(C_DEFINES) $$(cat $(ENDIAN_BITWIDTH))

$(SOUND_BIN_DIR)/sound_data.tbl: $(SOUND_BIN_DIR)/sound_data.ctl
	@true

$(SOUND_BIN_DIR)/ctl_header: $(SOUND_BIN_DIR)/sound_data.ctl
	@true

$(SOUND_BIN_DIR)/tbl_header: $(SOUND_BIN_DIR)/sound_data.ctl
	@true

$(SOUND_BIN_DIR)/sequences.bin: $(SOUND_BANK_FILES) sound/sequences.json $(SOUND_SEQUENCE_DIRS) $(SOUND_SEQUENCE_FILES) $(ENDIAN_BITWIDTH)
	@$(PRINT) "$(GREEN)Generating:  $(BLUE)$@ $(NO_COL)\n"
	$(V)$(PYTHON) $(TOOLS_DIR)/assemble_sound.py --sequences $@ $(SOUND_BIN_DIR)/sequences_header $(SOUND_BIN_DIR)/bank_sets sound/sound_banks/ sound/sequences.json $(SOUND_SEQUENCE_FILES) $(C_DEFINES) $$(cat $(ENDIAN_BITWIDTH))

$(SOUND_BIN_DIR)/bank_sets: $(SOUND_BIN_DIR)/sequences.bin
	@true

$(SOUND_BIN_DIR)/sequences_header: $(SOUND_BIN_DIR)/sequences.bin
	@true

$(SOUND_BIN_DIR)/%.m64: $(SOUND_BIN_DIR)/%.o
	$(call print,Converting to M64:,$<,$@)
	$(V)$(OBJCOPY) -j .rodata $< -O binary $@


#==============================================================================#
# Generated Source Code Files                                                  #
#==============================================================================#

ifeq ($(EXTERNAL_DATA),1)
  $(SOUND_BIN_DIR)/%.inc.c: $(SOUND_BIN_DIR)/%
	$(call print,Dummying:,$<,$@)
	$(V)$(PYTHON) $(TOOLS_DIR)/zeroterm.py "$(patsubst $(BUILD_DIR)/%,%,$^)" | hexdump -v -e '1/1 "0x%X,"' > $@
endif

# Convert binary file to a comma-separated list of byte values for inclusion in C code
$(BUILD_DIR)/%.inc.c: $(BUILD_DIR)/%
	$(call print,Piping:,$<,$@)
	$(V)hexdump -v -e '1/1 "0x%X,"' $< > $@
	$(V)echo >> $@

# Generate animation data
$(BUILD_DIR)/assets/mario_anim_data.c: $(wildcard assets/anims/*.inc.c)
	@$(PRINT) "$(GREEN)Generating animation data $(NO_COL)\n"
	$(V)$(PYTHON) $(TOOLS_DIR)/mario_anims_converter.py > $@

# Generate demo input data
$(BUILD_DIR)/assets/demo_data.c: assets/demo_data.json $(wildcard assets/demos/*.bin)
	@$(PRINT) "$(GREEN)Generating demo data $(NO_COL)\n"
	$(V)$(PYTHON) $(TOOLS_DIR)/demo_data_converter.py assets/demo_data.json $(DEF_INC_CFLAGS) > $@

# Encode in-game text strings
$(BUILD_DIR)/include/text_strings.h: include/text_strings.h.in
	$(call print,Encoding:,$<,$@)
	$(V)$(TEXTCONV) charmap.txt $< $@
$(BUILD_DIR)/include/text_menu_strings.h: include/text_menu_strings.h.in
	$(call print,Encoding:,$<,$@)
	$(V)$(TEXTCONV) charmap_menu.txt $< $@
$(BUILD_DIR)/text/%/define_courses.inc.c: text/define_courses.inc.c text/%/courses.h
	@$(PRINT) "$(GREEN)Preprocessing: $(BLUE)$@ $(NO_COL)\n"
	$(V)$(CPP) $(CPPFLAGS) $< -o - -I text/$*/ | $(TEXTCONV) charmap.txt - $@
$(BUILD_DIR)/text/%/define_text.inc.c: text/define_text.inc.c text/%/courses.h text/%/dialogs.h
	@$(PRINT) "$(GREEN)Preprocessing: $(BLUE)$@ $(NO_COL)\n"
	$(V)$(CPP) $(CPPFLAGS) $< -o - -I text/$*/ | $(TEXTCONV) charmap.txt - $@

# Level headers
$(BUILD_DIR)/include/level_headers.h: levels/level_headers.h.in
	$(call print,Preprocessing level headers:,$<,$@)
	$(V)$(CPP) $(CPPFLAGS) -I . levels/level_headers.h.in | $(PYTHON) $(TOOLS_DIR)/output_level_headers.py > $(BUILD_DIR)/include/level_headers.h

# Run asm_processor on files that have NON_MATCHING code
ifeq ($(NON_MATCHING),0)
$(GLOBAL_ASM_O_FILES): CC := $(V)$(PYTHON) $(TOOLS_DIR)/asm_processor/build.py $(CC) -- $(AS) $(ASFLAGS) --
endif

# Rebuild files with 'GLOBAL_ASM' if the NON_MATCHING flag changes.
$(GLOBAL_ASM_O_FILES): $(GLOBAL_ASM_DEP).$(NON_MATCHING)
$(GLOBAL_ASM_DEP).$(NON_MATCHING):
	@$(RM) $(GLOBAL_ASM_DEP).*
	$(V)touch $@


#==============================================================================#
# Compilation Recipes                                                          #
#==============================================================================#

# Compile C++ code
$(BUILD_DIR)/%.o: %.cpp
	$(call print,Compiling:,$<,$@)
	@$(CXX) -fsyntax-only $(EXTRA_CPP_FLAGS) $(EXTRA_CPP_INCLUDES) $(CFLAGS) -MMD -MP -MT $@ -MF $(BUILD_DIR)/$*.d $<
	$(V)$(CXX) -c $(EXTRA_CPP_FLAGS) $(EXTRA_CPP_INCLUDES) $(CFLAGS) -o $@ $<

# Compile C code
$(BUILD_DIR)/%.o: %.c
	$(call print,Compiling:,$<,$@)
	@$(CC_CHECK) $(CC_CHECK_CFLAGS) -MMD -MP -MT $@ -MF $(BUILD_DIR)/$*.d $<
	$(V)$(CC) -c $(CFLAGS) -o $@ $<
$(BUILD_DIR)/%.o: $(BUILD_DIR)/%.c
	$(call print,Compiling:,$<,$@)
	@$(CC_CHECK) $(CC_CHECK_CFLAGS) -MMD -MP -MT $@ -MF $(BUILD_DIR)/$*.d $<
	$(V)$(CC) -c $(CFLAGS) -o $@ $<

# Alternate compiler flags needed for matching
ifeq ($(COMPILER),ido)
  $(BUILD_DIR)/levels/%/leveldata.o: OPT_FLAGS := -g
  $(BUILD_DIR)/actors/%.o:           OPT_FLAGS := -g
  $(BUILD_DIR)/bin/%.o:              OPT_FLAGS := -g
  $(BUILD_DIR)/src/goddard/%.o:      OPT_FLAGS := -g
  $(BUILD_DIR)/src/goddard/%.o:      MIPSISET := -mips1
  $(BUILD_DIR)/lib/src/%.o:          OPT_FLAGS :=
  $(BUILD_DIR)/lib/src/math/%.o:     OPT_FLAGS := -O2
  $(BUILD_DIR)/lib/src/math/ll%.o:   OPT_FLAGS :=
  $(BUILD_DIR)/lib/src/math/ll%.o:   MIPSISET := -mips3 -32
  $(BUILD_DIR)/lib/src/ldiv.o:       OPT_FLAGS := -O2
  $(BUILD_DIR)/lib/src/string.o:     OPT_FLAGS := -O2
  $(BUILD_DIR)/lib/src/gu%.o:        OPT_FLAGS := -O3
  $(BUILD_DIR)/lib/src/al%.o:        OPT_FLAGS := -O3
  # For the asm-processor, since it doesn't support -O3. Probably not actually compiled with these flags.
  ifeq ($(VERSION),sh)
    $(BUILD_DIR)/lib/src/unk_shindou_file.o: OPT_FLAGS := -O1
    $(BUILD_DIR)/lib/src/func_sh_80304D20.o: OPT_FLAGS := -O1
    $(BUILD_DIR)/lib/src/_Printf.o: OPT_FLAGS := -O3
    $(BUILD_DIR)/lib/src/contramread.o: OPT_FLAGS := -O1
    $(BUILD_DIR)/lib/src/osPfsIsPlug.o: OPT_FLAGS := -O1
    $(BUILD_DIR)/lib/src/osAiSetFrequency.o: OPT_FLAGS := -O1
    $(BUILD_DIR)/lib/src/contramwrite.o: OPT_FLAGS := -O1
    $(BUILD_DIR)/lib/src/sprintf.o: OPT_FLAGS := -O3
    $(BUILD_DIR)/lib/src/_Litob.o: OPT_FLAGS := -O3
    $(BUILD_DIR)/lib/src/_Ldtob.o: OPT_FLAGS := -O3
    $(BUILD_DIR)/lib/src/osDriveRomInit.o: OPT_FLAGS := -g
  endif
  ifeq ($(VERSION),eu)
    $(BUILD_DIR)/lib/src/_Litob.o:   OPT_FLAGS := -O3
    $(BUILD_DIR)/lib/src/_Ldtob.o:   OPT_FLAGS := -O3
    $(BUILD_DIR)/lib/src/_Printf.o:  OPT_FLAGS := -O3
    $(BUILD_DIR)/lib/src/sprintf.o:  OPT_FLAGS := -O3

    # Enable loop unrolling except for external.c (external.c might also have used
    # unrolling, but it makes one loop harder to match).
    # For all audio files other than external.c and port_eu.c, put string literals
    # in .data. (In Shindou, the port_eu.c string literals also moved to .data.)
    $(BUILD_DIR)/src/audio/%.o:        OPT_FLAGS := -O2 -use_readwrite_const
    $(BUILD_DIR)/src/audio/port_eu.o:  OPT_FLAGS := -O2
    $(BUILD_DIR)/src/audio/external.o: OPT_FLAGS := -O2 -Wo,-loopunroll,0
  endif
  ifeq ($(VERSION_JP_US),true)
    $(BUILD_DIR)/src/audio/%.o:        OPT_FLAGS := -O2 -Wo,-loopunroll,0
    $(BUILD_DIR)/src/audio/load.o:     OPT_FLAGS := -O2 -framepointer -Wo,-loopunroll,0
  endif
  ifeq ($(VERSION_JP_US),true)
    # The source-to-source optimizer copt is enabled for audio. This makes it use
    # acpp, which needs -Wp,-+ to handle C++-style comments.
    # All other files than external.c should really use copt, but only a few have
    # been matched so far.
    $(BUILD_DIR)/src/audio/effects.o:   OPT_FLAGS := -O2 -Wo,-loopunroll,0 -sopt,-inline=sequence_channel_process_sound,-scalaroptimize=1 -Wp,-+
    $(BUILD_DIR)/src/audio/synthesis.o: OPT_FLAGS := -O2 -sopt,-scalaroptimize=1 -Wp,-+
  endif

# Add a target for build/eu/src/audio/*.copt to make it easier to see debug
$(BUILD_DIR)/src/audio/%.acpp: src/audio/%.c
	$(ACPP) $(TARGET_CFLAGS) $(DEF_INC_CFLAGS) -D__sgi -+ $< > $@
$(BUILD_DIR)/src/audio/%.copt: $(BUILD_DIR)/src/audio/%.acpp
	$(COPT) -signed -I=$< -CMP=$@ -cp=i -scalaroptimize=1 $(COPTFLAGS)
$(BUILD_DIR)/src/audio/seqplayer.copt: COPTFLAGS := -inline_manual

endif

# Run linker script through the C preprocessor
$(BUILD_DIR)/$(LD_SCRIPT): $(LD_SCRIPT)
	$(call print,Preprocessing linker script:,$<,$@)
	$(V)$(CPP) $(CPPFLAGS) -DBUILD_DIR=$(BUILD_DIR) -MMD -MP -MT $@ -MF $@.d -o $@ $<
	
# Assemble assembly code
$(BUILD_DIR)/%.o: %.s
	$(call print,Assembling:,$<,$@)
	$(V)$(AS) $(ASFLAGS) -MD $(BUILD_DIR)/$*.d -o $@ $<

ifeq ($(TARGET_N64),1)
  # Assemble RSP assembly code
  $(BUILD_DIR)/rsp/%.bin $(BUILD_DIR)/rsp/%_data.bin: rsp/%.s
	$(call print,Assembling:,$<,$@)
	$(V)$(RSPASM) -sym $@.sym $(RSPASMFLAGS) -strequ CODE_FILE $(BUILD_DIR)/rsp/$*.bin -strequ DATA_FILE $(BUILD_DIR)/rsp/$*_data.bin $<
	
  # Link libultra
  $(BUILD_DIR)/libultra.a: $(ULTRA_O_FILES)
	@$(PRINT) "$(GREEN)Linking libultra:  $(BLUE)$@ $(NO_COL)\n"
	$(V)$(AR) rcs -o $@ $(ULTRA_O_FILES)
	$(V)$(TOOLS_DIR)/patch_libultra_math $@

  # Link libgoddard
  $(BUILD_DIR)/libgoddard.a: $(GODDARD_O_FILES)
	@$(PRINT) "$(GREEN)Linking libgoddard:  $(BLUE)$@ $(NO_COL)\n"
	$(V)$(AR) rcs -o $@ $(GODDARD_O_FILES)
	
  # Link SM64 ELF file
  $(ELF): $(O_FILES) $(MIO0_OBJ_FILES) $(SEG_FILES) $(BUILD_DIR)/$(LD_SCRIPT) undefined_syms.txt $(BUILD_DIR)/libultra.a $(BUILD_DIR)/libgoddard.a
	@$(PRINT) "$(GREEN)Linking ELF file:  $(BLUE)$@ $(NO_COL)\n"
	$(V)$(LD) -L $(BUILD_DIR) -T undefined_syms.txt -T $(BUILD_DIR)/$(LD_SCRIPT) -Map $(BUILD_DIR)/sm64.$(VERSION).map --no-check-sections $(addprefix -R ,$(SEG_FILES)) -o $@ $(O_FILES) -lultra -lgoddard

  # Build ROM
  $(ROM): $(ELF)
	$(call print,Building ROM:,$<,$@)
	$(V)$(OBJCOPY) --pad-to=0x800000 --gap-fill=0xFF $< $(@:.z64=.bin) -O binary
	$(V)$(N64CKSUM) $(@:.z64=.bin) $@
	
  $(BUILD_DIR)/$(TARGET).objdump: $(ELF)
	$(OBJDUMP) -D $< > $@
else
  $(EXE): $(O_FILES) $(MIO0_FILES:.mio0=.o) $(ULTRA_O_FILES) $(GODDARD_O_FILES) $(BUILD_DIR)/$(RPC_LIBS) $(BUILD_DIR)/$(DISCORD_SDK_LIBS) $(BUILD_DIR)/$(MOD_DIR)
	$(LD) -L $(BUILD_DIR) -o $@ $(O_FILES) $(ULTRA_O_FILES) $(GODDARD_O_FILES) $(LDFLAGS) $(EXTRA_INCLUDES)
endif



.PHONY: all clean distclean default diff test load libultra res
.PRECIOUS: $(BUILD_DIR)/bin/%.elf $(SOUND_BIN_DIR)/%.ctl $(SOUND_BIN_DIR)/%.tbl $(SOUND_SAMPLE_TABLES) $(SOUND_BIN_DIR)/%.s $(BUILD_DIR)/%
# with no prerequisites, .SECONDARY causes no intermediate target to be removed
.SECONDARY:

# Remove built-in rules, to improve performance
MAKEFLAGS += --no-builtin-rules

-include $(DEP_FILES)

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