CMakeLists.txt

cmake_minimum_required(VERSION 3.20)
project(IXRay)

# CMake options
option(IXRAY_UTILS "Apply utils to solution" OFF)
option(IXRAY_EDITORS "Apply editors to solution" OFF)
option(IXRAY_MP "Apply multiplayer xrGame and multiplayer utilities to solution" OFF)
option(IXRAY_MP_SQL "Use SQL Database system for FreeMP mode" ON)
option(IXRAY_PLUGINS "Enable X-Ray Plugins" OFF)
option(IXRAY_ASAN "Enable Address Sanitizer" OFF)
option(IXRAY_LDEBUG "Enable LUA_DEBUG mode" OFF)
option(IXRAY_USE_R1 "Enable DirectX 9 static render" ON)
option(IXRAY_USE_R2 "Enable DirectX 9 dynamic render" ON)
option(IXRAY_USE_COMPRESSOR "Enable xrCompresor" ON)
option(IXRAY_UNITYBUILD "Enable UnityBuild for xrGame" ON)
option(IXRAY_PROFILER "Enable Optick for perf debug" OFF)

# CI trash
option(IXRAY_COMPRESSOR_ONLY "Build only compressor" OFF)
option(IXRAY_CI "GitHub Actions build" OFF)
set(IXR_TEST_CI NOT IXRAY_UTILS OR NOT IXRAY_CI)

# SDL stuff
set(SDL_STATIC OFF)
set(SDL_TEST_LIBRARY OFF)
set(SDL_SHARED ON)

# CMake Dev options
option(DEVIXRAY_ENABLE_SHIPPING "Enable shipping build cfg" OFF)
option(DEVIXRAY_ENABLE_OGL_RENDER "Enable OGL Render" OFF)

# CXX options
set(CMAKE_CXX_STANDARD 23)
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

if (MSVC)
    include("cmake/msvc.cmake")
elseif (CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR NOT WIN32)
    include("cmake/clang.cmake")
endif()

# Add new build types
include("cmake/shipping.cmake")

# Wrap CMake general configs 
set(CMAKE_CONFIGURATION_TYPES ${IXR_CONFIGURATIONS_STR} CACHE STRING "" FORCE)
set(PREDEFINED_TARGETS_FOLDER "CustomTargets")

# ASan
if (IXRAY_ASAN)
    add_compile_options(-fsanitize=address)
endif()

## Disable user-cheats for Release/Shipping build
add_compile_definitions("$<$<CONFIG:Debug>:DEBUG>")
add_compile_definitions("$<$<CONFIG:Debug>:DEBUG_DRAW>")
add_compile_definitions("$<$<CONFIG:RelWithDebInfo>:DEBUG_DRAW>")
add_compile_definitions("$<$<CONFIG:Release>:MASTER_GOLD>")
if (DEVIXRAY_ENABLE_SHIPPING)
    add_compile_definitions("$<$<CONFIG:Shipping>:MASTER_GOLD>")
    add_compile_definitions("$<$<CONFIG:Shipping>:SHIPPING_BUILD>")
endif()

# Download API from GitHub Releases
include("cmake/github.cmake")

# Help functions
function(target_copy_dependency TARGET_NAME FILE_PATH)
    if(WIN32)
        add_custom_command(TARGET ${TARGET_NAME} POST_BUILD
            COMMAND ${CMAKE_COMMAND} -E copy_if_different
                    ${FILE_PATH}
                    ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/$<CONFIG>/
        )
    else()
        get_filename_component(FILE_NAME ${FILE_PATH} NAME)
    
        add_custom_command(TARGET ${TARGET_NAME} POST_BUILD
            COMMAND ${CMAKE_COMMAND} -E echo "Copying ${FILE_NAME}"
            COMMAND ${CMAKE_COMMAND} -E copy_if_different 
                ${FILE_PATH} 
                $<TARGET_FILE_DIR:${TARGET_NAME}>/${FILE_NAME}
            COMMENT "Copying ${FILE_NAME} to output directory"
        )
    endif()
endfunction()

set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/modules" ${CMAKE_MODULE_PATH})

# Configure NuGet
if (WIN32)
    include("cmake/windows/nuget.cmake")
else()
    include("cmake/linux/nuget.cmake")
endif()

# SDK folders
set(IXRAY_SDK_LIB ${CMAKE_CURRENT_SOURCE_DIR}/sdk/libraries/${CMAKE_VS_PLATFORM_NAME}/)
set(IXRAY_SDK_BIN ${CMAKE_CURRENT_SOURCE_DIR}/sdk/binaries/${CMAKE_VS_PLATFORM_NAME}/)
set(IXRAY_SDK_INC ${CMAKE_CURRENT_SOURCE_DIR}/sdk/include/)
set(IXRAY_OUTPUT ${CMAKE_RUNTIME_OUTPUT_DIRECTORY}/$<CONFIG>/)

include("${CMAKE_MODULE_PATH}/FindSDL3.cmake")
include("${CMAKE_MODULE_PATH}/FindLuaBind.cmake")

# CMake targets
set_property(GLOBAL PROPERTY USE_FOLDERS ON)

# 3rd libraries
add_subdirectory("src/3rd-party")

# Engine libraries
add_subdirectory("src")

# Plugins 
if (IXRAY_PLUGINS)
    add_subdirectory("src/plugins")
endif()

# Utils
add_subdirectory("src/utils")

# Editors
add_subdirectory("src/Editors")

# Startup project (Visual Studio only)
if (WIN32)
    if (IXRAY_COMPRESSOR_ONLY)
        if (TARGET xrCompress)
            set_property(DIRECTORY ${CMAKE_SOURCE_DIR}
                PROPERTY VS_STARTUP_PROJECT xrCompress)
        endif()
    else()
        if (TARGET xrEngine)
            set_property(DIRECTORY ${CMAKE_SOURCE_DIR}
                PROPERTY VS_STARTUP_PROJECT xrEngine)
        endif()
    endif()
endif()