# Unity Tracy Plugin - CMakeLists.txt
# 用于编译 Tracy Unity Native Plugin

cmake_minimum_required(VERSION 3.15)
project(UnityTracyPlugin VERSION 1.0.0)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

# ============================================
# 配置选项
# ============================================

option(IS_TRACY_ENABLE "启用 Tracy 性能分析" ON)
option(IS_TRACY_ON_DEMAND "Tracy 按需分析模式" ON)
option(IS_TRACY_NO_EXIT "Tracy 不在退出时断开连接" OFF)
option(IS_TRACY_NO_BROADCAST "Tracy 不广播发现消息" OFF)
option(IS_TRACY_ONLY_LOCALHOST "Tracy 仅允许本地连接" OFF)
option(IS_ADVANCED_ZONE_MANAGEMENT "启用Tracy管理器类" ON)

# ============================================
# Tracy 配置
# ============================================

if(IS_TRACY_ENABLE)
    add_definitions(-DTRACY_ENABLE)
    message(STATUS "Tracy 性能分析: 启用")
else()
    message(STATUS "Tracy 性能分析: 禁用")
endif()

if(IS_TRACY_ON_DEMAND)
    add_definitions(-DTRACY_ON_DEMAND)
    message(STATUS "Tracy 按需模式: 启用")
endif()

if(IS_TRACY_NO_EXIT)
    add_definitions(-DTRACY_NO_EXIT)
endif()

if(IS_TRACY_NO_BROADCAST)
    add_definitions(-DTRACY_NO_BROADCAST)
endif()

if(IS_TRACY_ONLY_LOCALHOST)
    add_definitions(-DTRACY_ONLY_LOCALHOST)
endif()

if(IS_ADVANCED_ZONE_MANAGEMENT)
    add_definitions(-DADVANCED_ZONE_MANAGEMENT)
endif()

# ============================================
# Tracy 路径配置
# ============================================

# 设置 Tracy 根目录（根据实际情况修改）
set(TRACY_ROOT "${CMAKE_CURRENT_SOURCE_DIR}/../thirdparty/tracy" CACHE PATH "Tracy 根目录路径")

if(NOT EXISTS "${TRACY_ROOT}")
    message(FATAL_ERROR "找不到 Tracy 目录: ${TRACY_ROOT}\n请设置正确的 TRACY_ROOT 路径")
endif()

message(STATUS "Tracy 根目录: ${TRACY_ROOT}")

# ============================================
# 源文件
# ============================================

set(TRACY_SOURCES
    "${TRACY_ROOT}/public/TracyClient.cpp"
)

set(PLUGIN_SOURCES
    "SimplifiedPlugin.cpp"
    ${TRACY_SOURCES}
)

# ============================================
# 包含目录
# ============================================

include_directories(
    "${CMAKE_CURRENT_SOURCE_DIR}"
    "${TRACY_ROOT}/public"
)

# ============================================
# 创建动态库
# ============================================

add_library(UnityTracyPlugin SHARED ${PLUGIN_SOURCES})

# 设置输出名称
set_target_properties(UnityTracyPlugin PROPERTIES
    OUTPUT_NAME "UnityTracyPlugin"
    PREFIX ""  # 移除 lib 前缀（Linux/macOS）
)

# ============================================
# 平台特定配置
# ============================================

if(WIN32)
    # Windows 配置
    message(STATUS "配置 Windows 平台")
    
    # 链接必要的 Windows 库
    target_link_libraries(UnityTracyPlugin
        ws2_32      # Winsock
        dbghelp     # Debug Help Library
    )
    
    # 输出到 Windows 平台目录
    set_target_properties(UnityTracyPlugin PROPERTIES
        RUNTIME_OUTPUT_DIRECTORY_DEBUG "${CMAKE_BINARY_DIR}/Unity/Plugins/x86_64"
        RUNTIME_OUTPUT_DIRECTORY_RELEASE "${CMAKE_BINARY_DIR}/Unity/Plugins/x86_64"
    )
    
    # Windows 导出符号
    target_compile_definitions(UnityTracyPlugin PRIVATE
        WIN32_LEAN_AND_MEAN
        NOMINMAX
    )

elseif(APPLE)
    # macOS/iOS 配置
    message(STATUS "配置 Apple 平台")
    
    # 链接 Apple 框架
    target_link_libraries(UnityTracyPlugin
        "-framework Foundation"
        "-framework CoreFoundation"
    )
    
    # macOS 特定设置
    if(NOT IOS)
        set_target_properties(UnityTracyPlugin PROPERTIES
            MACOSX_RPATH TRUE
            BUILD_WITH_INSTALL_RPATH TRUE
            INSTALL_NAME_DIR "@rpath"
        )
        
        # 输出到 macOS 平台目录
        set_target_properties(UnityTracyPlugin PROPERTIES
            LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/Unity/Plugins/macOS"
        )
    else()
        # iOS 配置 - 静态库
        set_target_properties(UnityTracyPlugin PROPERTIES
            FRAMEWORK FALSE
        )
        
        # 输出到 iOS 平台目录
        set_target_properties(UnityTracyPlugin PROPERTIES
            ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/Unity/Plugins/iOS"
        )
    endif()

elseif(UNIX)
    # Linux/Android 配置
    message(STATUS "配置 Linux 平台")
    
    # 链接必要的 Linux 库
    target_link_libraries(UnityTracyPlugin
        pthread     # POSIX threads
        dl          # Dynamic linking
    )
    
    # 符号可见性
    set_target_properties(UnityTracyPlugin PROPERTIES
        CXX_VISIBILITY_PRESET hidden
        VISIBILITY_INLINES_HIDDEN YES
    )
    
    # 输出到 Linux 平台目录
    set_target_properties(UnityTracyPlugin PROPERTIES
        LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/Unity/Plugins/Linux/x86_64"
    )

endif()

# ============================================
# 编译选项
# ============================================

if(MSVC)
    # Visual Studio 编译器选项
    target_compile_options(UnityTracyPlugin PRIVATE
        /W4                 # 警告级别 4
        /WX-                # 警告不视为错误
        /permissive-        # 标准一致性模式
        /MP                 # 多处理器编译
    )
    
    # Release 优化
    target_compile_options(UnityTracyPlugin PRIVATE
        $<$<CONFIG:Release>:/O2>      # 最大优化
        $<$<CONFIG:Release>:/Ob2>     # 内联展开
    )
else()
    # GCC/Clang 编译器选项
    target_compile_options(UnityTracyPlugin PRIVATE
        -Wall
        -Wextra
        -Wno-unused-parameter
        -fPIC                           # 位置无关代码
        -fvisibility=hidden             # 隐藏符号
    )
    
    # Release 优化
    target_compile_options(UnityTracyPlugin PRIVATE
        $<$<CONFIG:Release>:-O3>        # 最大优化
        $<$<CONFIG:Release>:-DNDEBUG>   # 禁用断言
    )
endif()

# ============================================
# Android NDK 配置（如果使用 Android）
# ============================================

if(ANDROID)
    message(STATUS "配置 Android 平台")
    message(STATUS "Android ABI: ${ANDROID_ABI}")
    
    # 链接 Android 库
    target_link_libraries(UnityTracyPlugin
        log         # Android 日志
        android     # Android API
    )
    
    # 输出到 Android 平台目录
    set_target_properties(UnityTracyPlugin PROPERTIES
        LIBRARY_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/Unity/Plugins/Android/${ANDROID_ABI}"
    )
endif()

# ============================================
# 安装配置
# ============================================

install(TARGETS UnityTracyPlugin
    RUNTIME DESTINATION bin
    LIBRARY DESTINATION lib
    ARCHIVE DESTINATION lib
)

# ============================================
# 构建信息
# ============================================

message(STATUS "========================================")
message(STATUS "Unity Tracy Plugin 配置完成")
message(STATUS "========================================")
message(STATUS "项目版本: ${PROJECT_VERSION}")
message(STATUS "C++ 标准: ${CMAKE_CXX_STANDARD}")
message(STATUS "构建类型: ${CMAKE_BUILD_TYPE}")
message(STATUS "编译器: ${CMAKE_CXX_COMPILER_ID}")
message(STATUS "Tracy 启用: ${IS_TRACY_ENABLE}")
message(STATUS "Tracy 按需模式: ${IS_TRACY_ON_DEMAND}")
message(STATUS "========================================")

# ============================================
# 自定义构建目标
# ============================================

# 清理目标
add_custom_target(clean-all
    COMMAND ${CMAKE_COMMAND} -E remove_directory "${CMAKE_BINARY_DIR}/Unity"
    COMMENT "清理所有输出文件"
)

# 复制到 Unity 项目（需要设置 UNITY_PROJECT_PATH）
if(DEFINED ENV{UNITY_PROJECT_PATH})
    set(UNITY_PROJECT_PATH $ENV{UNITY_PROJECT_PATH})
    message(STATUS "Unity 项目路径: ${UNITY_PROJECT_PATH}")
    
    add_custom_command(TARGET UnityTracyPlugin POST_BUILD
        COMMAND ${CMAKE_COMMAND} -E copy_directory
            "${CMAKE_BINARY_DIR}/Unity/Plugins"
            "${UNITY_PROJECT_PATH}/Assets/Plugins"
        COMMENT "复制 Plugin 到 Unity 项目"
    )
endif()

# ============================================
# 测试（可选）
# ============================================

option(BUILD_TESTS "构建测试程序" OFF)

if(BUILD_TESTS)
    enable_testing()
    
    add_executable(PluginTest
        test/plugin_test.cpp
    )
    
    target_link_libraries(PluginTest UnityTracyPlugin)
    
    add_test(NAME PluginBasicTest COMMAND PluginTest)
endif()