CMakeLists.txt

cmake_minimum_required(VERSION 3.20)
project(FBXAutoRigger)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

# MacOS specific settings
if(APPLE)
    set(CMAKE_OSX_ARCHITECTURES "arm64")
    set(CMAKE_OSX_DEPLOYMENT_TARGET "11.0")
endif()

# Find FBX SDK
# FBX SDK 경로 설정 (homebrew 또는 수동 설치)
set(FBX_SDK_ROOT "/Applications/Autodesk/FBX SDK/2020.3.7" CACHE PATH "FBX SDK root directory")

if(NOT EXISTS ${FBX_SDK_ROOT})
    # Alternative paths for FBX SDK
    set(ALTERNATIVE_PATHS
        "/Applications/Autodesk/FBX SDK/2020.3.4"
        "/Applications/Autodesk/FBX SDK/2020.2.1"
        "/Applications/Autodesk/FBX SDK/2019.5"
        "/usr/local/fbx"
        "/opt/fbx"
        "$ENV{HOME}/fbx"
    )
    
    foreach(ALT_PATH ${ALTERNATIVE_PATHS})
        if(EXISTS ${ALT_PATH})
            set(FBX_SDK_ROOT ${ALT_PATH})
            break()
        endif()
    endforeach()
endif()

if(NOT EXISTS ${FBX_SDK_ROOT})
    message(FATAL_ERROR "FBX SDK not found. Please install FBX SDK and set FBX_SDK_ROOT")
endif()

message(STATUS "Using FBX SDK at: ${FBX_SDK_ROOT}")

# FBX SDK include directory
set(FBX_INCLUDE_DIR "${FBX_SDK_ROOT}/include")

# FBX SDK library directory (for ARM64 MacOS)
if(APPLE AND CMAKE_OSX_ARCHITECTURES STREQUAL "arm64")
    set(FBX_LIB_DIR "${FBX_SDK_ROOT}/lib/clang/release")
else()
    set(FBX_LIB_DIR "${FBX_SDK_ROOT}/lib/clang/release")
endif()

# Find FBX library
find_library(FBX_LIBRARY
    NAMES fbxsdk libfbxsdk
    PATHS ${FBX_LIB_DIR}
    NO_DEFAULT_PATH
)

if(NOT FBX_LIBRARY)
    message(FATAL_ERROR "FBX library not found in ${FBX_LIB_DIR}")
endif()

message(STATUS "Found FBX library: ${FBX_LIBRARY}")

# Include directories
include_directories(${FBX_INCLUDE_DIR})

# Source files
set(SOURCES
    src/main.cpp
    src/FBXAutoRigger.cpp
    src/MeshAnalyzer.cpp
    src/SkeletonMapper.cpp
    src/WeightCalculator.cpp
    src/Utils.cpp
    src/Types.cpp
)

# Header files
set(HEADERS
    include/FBXAutoRigger.h
    include/MeshAnalyzer.h
    include/SkeletonMapper.h
    include/WeightCalculator.h
    include/Utils.h
    include/Types.h
)

# Include header directory
include_directories(include)

# Create executable
add_executable(${PROJECT_NAME} ${SOURCES} ${HEADERS})

# Link libraries
target_link_libraries(${PROJECT_NAME} ${FBX_LIBRARY})

# MacOS specific linking
if(APPLE)
    target_link_libraries(${PROJECT_NAME}
        "-framework CoreFoundation"
        "-framework SystemConfiguration"
    )
endif()

# Compiler flags
if(APPLE)
    target_compile_definitions(${PROJECT_NAME} PRIVATE
        FBXSDK_ENV_MAC
        FBXSDK_NEW_API
    )
    
    target_compile_options(${PROJECT_NAME} PRIVATE
        -Wall
        -Wextra
        -O2
        -fno-strict-aliasing
        -Wno-deprecated-copy-with-user-provided-copy  # FBX SDK 경고 억제
        -Wno-deprecated-copy                         # 추가 경고 억제
        -Wno-unused-parameter                        # FBX SDK unused parameter 경고 억제
        -Wno-deprecated-declarations                 # deprecated 경고 억제
    )
endif()

# Install target
install(TARGETS ${PROJECT_NAME} DESTINATION bin)

# Create directories for build (사용자 템플릿 기반으로 변경)
file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/output)
file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/examples)

# Create example directory and usage instructions
configure_file(${CMAKE_SOURCE_DIR}/README.md
               ${CMAKE_BINARY_DIR}/README.md COPYONLY OPTIONAL)

# Print build information
message(STATUS "Build configuration:")
message(STATUS "  CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")
message(STATUS "  CMAKE_OSX_ARCHITECTURES: ${CMAKE_OSX_ARCHITECTURES}")
message(STATUS "  FBX_SDK_ROOT: ${FBX_SDK_ROOT}")
message(STATUS "  FBX_LIBRARY: ${FBX_LIBRARY}")
message(STATUS "")
message(STATUS "Usage: ./FBXAutoRigger <template.fbx> <input.fbx> <output.fbx>")
message(STATUS "")
message(STATUS "Template Requirements:")
message(STATUS "  - Rigged character in FBX format")
message(STATUS "  - Can be from Mixamo, Blender, Maya, etc.")
message(STATUS "  - Should contain skeleton and mesh")
message(STATUS "")
message(STATUS "Example:")
message(STATUS "  ./FBXAutoRigger mixamo_character.fbx my_character.fbx rigged_output.fbx")