CMakeLists.txt

cmake_minimum_required (VERSION 3.5)

set (project VRCE)
project (
    ${project}
    DESCRIPTION "Exports vrchat avatars"
    LANGUAGES CXX
)

# --- Configure default build ---
set (default_build_type "Release")
if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
  message (STATUS "Setting build type to '${default_build_type}' as none was specified.")
  set (CMAKE_BUILD_TYPE "${default_build_type}" CACHE STRING "Choose the type of build." FORCE)
  set_property (CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
endif ()
# --------------------------------

# --- Simplify build checking ---
math (EXPR VPTR_BITS "${CMAKE_SIZEOF_VOID_P}*8") # Convert 4/8 -> 32/64

if (UNIX AND NOT APPLE)
        set (BUILD_OS "linux")
        set (BUILD_OSL "linux")
elseif (WIN32)
        set (BUILD_OS "win")
        set (BUILD_OSL "windows")
endif ()

string (TOLOWER ${CMAKE_CXX_COMPILER_ID} BUILD_COMPILER)

# Translate some stuff
if (${BUILD_COMPILER} STREQUAL "gnu")
  set (BUILD_COMPILER "gcc")
elseif (${BUILD_COMPILER} STREQUAL "intel")
  set (BUILD_COMPILER "icc")
endif ()
# --------------------------------

# --- Set global C++ CMake settings ---
set (CMAKE_CXX_STANDARD 20)
set (CMAKE_CXX_EXTENSIONS OFF)
set (THREADS_PREFER_PTHREAD_FLAG ON)
set (CMAKE_CXX_STANDARD_REQUIRED ON)
set (CMAKE_EXPORT_COMPILE_COMMANDS ON)
set (CMAKE_POSITION_INDEPENDENT_CODE ON)
set (CMAKE_POLICY_DEFAULT_CMP0069 NEW)
set (CMAKE_INTERPROCEDURAL_OPTIMIZATION ON)
if (VERBOSE)
    set (CMAKE_VERBOSE_MAKEFILE ON)
endif ()
# -------------------------------

# --- Set compiler flags ---
# Debugging, and warnings
add_definitions (-DBUILDER_STATIC_DEFINE)
if (NOT ${CMAKE_BUILD_TYPE} MATCHES "Release")
    add_definitions (-DDEBUG)
    set (BUILD_TYPE "dbg")

    if (MSVC)
        # Remove all previously declared flags before adding new ones
        string (REGEX REPLACE "[/-]W[0-4] ?" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})

        # Verboseeeee
        string (APPEND CMAKE_CXX_FLAGS " -Wall")
    else ()
        # Verboseeeee
        string (APPEND CMAKE_CXX_FLAGS " -Wall -Wextra -pedantic -Wformat=2 -Wsign-conversion -Wundef -Wredundant-decls -Wwrite-strings -Wpointer-arith -Wcast-qual -Wmissing-include-dirs -Wcast-align -Wctor-dtor-privacy -Wdisabled-optimization -Winvalid-pch -Woverloaded-virtual -Wconversion -Wswitch-enum -Wno-ctor-dtor-privacy -Wno-format-nonliteral -Wnoexcept -Wno-dangling-else -Wno-unused-local-typedefs -Wdouble-promotion -Wtrampolines -Wzero-as-null-pointer-constant -Wuseless-cast -Wvector-operation-performance -Wsized-deallocation -Wshadow -Wshift-overflow=2 -Wnull-dereference -Wduplicated-cond")
    endif ()
else ()
    set (BUILD_TYPE "rel")
endif ()

# Optimization and compiler specific fixes
if (MSVC)
    # Remove all previously declared flags before adding new ones
    string (REGEX REPLACE "[/-][ML][DT]d? ?" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
    string (REGEX REPLACE "[/-]O[12bdgistxy] ?" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
    string (REGEX REPLACE "[/-]DEBUG:[a-zA-Z]+ ?" "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})

    # Enable max warnings (But dont spam the console)
    string (APPEND CMAKE_CXX_FLAGS " -DNOMINMAX -wo9025 -wo5054")

    if (${CMAKE_BUILD_TYPE} MATCHES "Release")
        string (APPEND CMAKE_CXX_FLAGS " -MT -DEBUG:NONE -O2")
    else ()
        string (APPEND CMAKE_CXX_FLAGS " -MTd -DEBUG:FULL -Od")
    endif ()
else ()
    # 64-bit, and threading
    string (APPEND CMAKE_CXX_FLAGS " -m64")

    if (${CMAKE_BUILD_TYPE} MATCHES "Release")
        string (APPEND CMAKE_CXX_FLAGS " -fstack-protector -O3 -g0")
        if (NOT CMAKE_CXX_COMPILER_ID MATCHES "Clang")
            string (APPEND CMAKE_CXX_FLAGS " -s")
        endif ()
    else ()
        string (APPEND CMAKE_CXX_FLAGS " -O0 -g3")
    endif ()
endif ()
# --------------------------

find_package (Threads REQUIRED)
find_package (fmt CONFIG REQUIRED)
find_package (lz4 CONFIG REQUIRED)
find_package (liblzma CONFIG REQUIRED)

message ("Configuring ${project}...")

# --- Build ---
set (${project}_SOURCES
    ${CMAKE_CURRENT_SOURCE_DIR}/stream.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/binaryreader.cpp

    ${CMAKE_CURRENT_SOURCE_DIR}/endianreader.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/binaryreader.cpp

    ${CMAKE_CURRENT_SOURCE_DIR}/hash128.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/version.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/fileidentifier.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/bundlescene.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/bundleheader.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/filescheme.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/fileschemelist.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/bundlefilescheme.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/bundlerawwebheader.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/bundlefilestreamheader.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/bundlemetadata.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/blocksinfo.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/storageblock.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/directoryinfo.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/node.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/filenameutils.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/bundlefileblockreader.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/sevenziphelper.cpp

    ${CMAKE_CURRENT_SOURCE_DIR}/filereadsource.cpp
    ${CMAKE_CURRENT_SOURCE_DIR}/memoryreadsource.cpp
)
set (${project}_HEADERS
    ${CMAKE_CURRENT_SOURCE_DIR}/stream.h
    ${CMAKE_CURRENT_SOURCE_DIR}/binaryreader.h

    ${CMAKE_CURRENT_SOURCE_DIR}/vecstreambuf.h

    ${CMAKE_CURRENT_SOURCE_DIR}/ibundlereadable.h

    ${CMAKE_CURRENT_SOURCE_DIR}/endianreader.h
    ${CMAKE_CURRENT_SOURCE_DIR}/binaryreader.h
    ${CMAKE_CURRENT_SOURCE_DIR}/bundlereader.h

    ${CMAKE_CURRENT_SOURCE_DIR}/hash128.h
    ${CMAKE_CURRENT_SOURCE_DIR}/readerhelpers.h
    ${CMAKE_CURRENT_SOURCE_DIR}/bundleflags.h
    ${CMAKE_CURRENT_SOURCE_DIR}/endiantype.h
    ${CMAKE_CURRENT_SOURCE_DIR}/endianswap.h
    ${CMAKE_CURRENT_SOURCE_DIR}/version.h
    ${CMAKE_CURRENT_SOURCE_DIR}/versiontype.h
    ${CMAKE_CURRENT_SOURCE_DIR}/fileentrytype.h
    ${CMAKE_CURRENT_SOURCE_DIR}/fileidentifier.h
    ${CMAKE_CURRENT_SOURCE_DIR}/bundletype.h
    ${CMAKE_CURRENT_SOURCE_DIR}/compressiontype.h
    ${CMAKE_CURRENT_SOURCE_DIR}/bundlescene.h
    ${CMAKE_CURRENT_SOURCE_DIR}/bundleheader.h
    ${CMAKE_CURRENT_SOURCE_DIR}/filescheme.h
    ${CMAKE_CURRENT_SOURCE_DIR}/fileschemelist.h
    ${CMAKE_CURRENT_SOURCE_DIR}/bundleversion.h
    ${CMAKE_CURRENT_SOURCE_DIR}/bundlefilescheme.h
    ${CMAKE_CURRENT_SOURCE_DIR}/bundlerawwebheader.h
    ${CMAKE_CURRENT_SOURCE_DIR}/bundlefilestreamheader.h
    ${CMAKE_CURRENT_SOURCE_DIR}/bundlemetadata.h
    ${CMAKE_CURRENT_SOURCE_DIR}/blocksinfo.h
    ${CMAKE_CURRENT_SOURCE_DIR}/storageblock.h
    ${CMAKE_CURRENT_SOURCE_DIR}/directoryinfo.h
    ${CMAKE_CURRENT_SOURCE_DIR}/node.h
    ${CMAKE_CURRENT_SOURCE_DIR}/filenameutils.h
    ${CMAKE_CURRENT_SOURCE_DIR}/bundlefileblockreader.h
    ${CMAKE_CURRENT_SOURCE_DIR}/storageblockflags.h
    ${CMAKE_CURRENT_SOURCE_DIR}/sevenziphelper.h

    ${CMAKE_CURRENT_SOURCE_DIR}/ireadsource.h
    ${CMAKE_CURRENT_SOURCE_DIR}/filereadsource.h
    ${CMAKE_CURRENT_SOURCE_DIR}/memoryreadsource.h
)

add_executable (${project}
    main.cpp
    ${${project}_HEADERS}
    ${${project}_SOURCES}
)

target_include_directories (${project} PRIVATE
    ${FMT_INCLUDE_DIRS}
    ${LZ4_INCLUDE_DIRS}
    ${LIBLZMA_INCLUDE_DIRS}
)

target_link_libraries (${project} PRIVATE
    Threads::Threads
    ${CMAKE_DL_LIBS}
    fmt::fmt
    lz4::lz4
    liblzma::liblzma
)

if (WIN32)
    target_link_libraries(${project} PRIVATE ws2_32 winmm Rpcrt4 Iphlpapi)
endif ()