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Merge pull request #33 from decryptedchaos/ReXFactor
Add initial CMakeLists.txt (WIP)
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‎CMakeLists.txt‎

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cmake_minimum_required(VERSION 3.26 FATAL_ERROR)
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project(rex_engine
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VERSION 4.3
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DESCRIPTION "Rex Game Engine"
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LANGUAGES C CXX
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)
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# Build options
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option(REX_TOOLS "Build editor tools" ON)
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option(REX_DEV_MODE "Enable developer mode" OFF)
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set(REX_PLATFORM "linux" CACHE STRING "Target platform: linux, windows, macos")
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set(REX_BUILD_TYPE "release" CACHE STRING "Build type: debug, release_debug, release")
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# Validate platform
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set(VALID_PLATFORMS "linux" "windows" "macos")
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list(FIND VALID_PLATFORMS "${REX_PLATFORM}" PLATFORM_INDEX)
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if(PLATFORM_INDEX EQUAL -1)
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message(FATAL_ERROR "Invalid platform: ${REX_PLATFORM}. Choose from: ${VALID_PLATFORMS}")
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endif()
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# C++ Standard
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set(CMAKE_CXX_STANDARD 20)
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set(CMAKE_CXX_STANDARD_REQUIRED ON)
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set(CMAKE_CXX_EXTENSIONS OFF)
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# Directory setup
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set(SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
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set(CORE_DIR ${SOURCE_DIR}/core)
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set(SERVERS_DIR ${SOURCE_DIR}/servers)
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set(EDITOR_DIR ${SOURCE_DIR}/editor)
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set(MODULES_DIR ${SOURCE_DIR}/modules)
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set(PLATFORM_DIR ${SOURCE_DIR}/platform)
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set(SCENE_DIR ${SOURCE_DIR}/scene)
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set(THIRDPARTY_DIR ${SOURCE_DIR}/thirdparty)
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# Core sources
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file(GLOB_RECURSE CORE_SOURCES CONFIGURE_DEPENDS
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${CORE_DIR}/*.cpp
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${SERVERS_DIR}/*.cpp
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${SCENE_DIR}/*.cpp
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${THIRDPARTY_DIR}/*.c
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${THIRDPARTY_DIR}/*.cpp
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)
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file(GLOB_RECURSE CORE_HEADERS CONFIGURE_DEPENDS
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${CORE_DIR}/*.hpp
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${SERVERS_DIR}/*.hpp
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${SCENE_DIR}/*.hpp
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)
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# Editor sources
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if(REX_TOOLS)
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file(GLOB_RECURSE EDITOR_SOURCES CONFIGURE_DEPENDS ${EDITOR_DIR}/*.cpp)
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file(GLOB_RECURSE EDITOR_HEADERS CONFIGURE_DEPENDS ${EDITOR_DIR}/*.hpp)
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list(APPEND CORE_SOURCES ${EDITOR_SOURCES})
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list(APPEND CORE_HEADERS ${EDITOR_HEADERS})
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endif()
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# Platform-specific sources and defines
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if(REX_PLATFORM STREQUAL "linux")
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file(GLOB_RECURSE PLATFORM_SOURCES CONFIGURE_DEPENDS ${PLATFORM_DIR}/linuxbsd/*.cpp)
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set(PLATFORM_INCLUDE ${PLATFORM_DIR}/linuxbsd)
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set(PLATFORM_DEFINES UNIX_ENABLED X11_ENABLED OPENGL_ENABLED)
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elseif(REX_PLATFORM STREQUAL "windows")
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file(GLOB_RECURSE PLATFORM_SOURCES CONFIGURE_DEPENDS ${PLATFORM_DIR}/windows/*.cpp)
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set(PLATFORM_INCLUDE ${PLATFORM_DIR}/windows)
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set(PLATFORM_DEFINES WIN32_ENABLED NOMINMAX WIN32_LEAN_AND_MEAN OPENGL_ENABLED)
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elseif(REX_PLATFORM STREQUAL "macos")
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file(GLOB_RECURSE PLATFORM_SOURCES CONFIGURE_DEPENDS ${PLATFORM_DIR}/macos/*.cpp)
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set(PLATFORM_INCLUDE ${PLATFORM_DIR}/macos)
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set(PLATFORM_DEFINES MACOS_ENABLED OPENGL_ENABLED)
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endif()
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list(APPEND CORE_SOURCES ${PLATFORM_SOURCES})
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# Modules
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file(GLOB_RECURSE MODULE_SOURCES CONFIGURE_DEPENDS
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${MODULES_DIR}/gdscript/*.cpp
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${MODULES_DIR}/gridmap/*.cpp
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${MODULES_DIR}/navigation/*.cpp
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${MODULES_DIR}/visual_script/*.cpp
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)
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list(APPEND CORE_SOURCES ${MODULE_SOURCES})
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# Third-party C sources
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file(GLOB_RECURSE THIRDPARTY_SOURCES CONFIGURE_DEPENDS
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${THIRDPARTY_DIR}/zlib/*.c
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${THIRDPARTY_DIR}/libpng/*.c
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${THIRDPARTY_DIR}/freetype/*.c
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${THIRDPARTY_DIR}/libogg/*.c
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${THIRDPARTY_DIR}/libvorbis/*.c
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)
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list(APPEND CORE_SOURCES ${THIRDPARTY_SOURCES})
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# Define executable
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add_executable(rex_engine ${CORE_SOURCES} ${CORE_HEADERS})
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# Output name
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set(OUTPUT_NAME "rex.${REX_PLATFORM}")
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if(REX_TOOLS)
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set(OUTPUT_NAME "${OUTPUT_NAME}.editor")
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else()
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set(OUTPUT_NAME "${OUTPUT_NAME}.opt")
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endif()
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if(REX_BUILD_TYPE MATCHES "debug")
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set(OUTPUT_NAME "${OUTPUT_NAME}.debug")
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endif()
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set_target_properties(rex_engine PROPERTIES OUTPUT_NAME "${OUTPUT_NAME}")
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# Compiler flags
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if(MSVC)
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if(REX_BUILD_TYPE MATCHES "debug")
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target_compile_options(rex_engine PRIVATE /Od /Zi)
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else()
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target_compile_options(rex_engine PRIVATE /O2 /DNDEBUG)
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endif()
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else()
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if(REX_BUILD_TYPE MATCHES "debug")
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target_compile_options(rex_engine PRIVATE -g -O0)
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else()
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target_compile_options(rex_engine PRIVATE -O3 -DNDEBUG)
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endif()
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endif()
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# Include directories
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target_include_directories(rex_engine PRIVATE
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${SOURCE_DIR}
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${CORE_DIR}
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${CORE_DIR}/binder
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${CORE_DIR}/io
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${CORE_DIR}/math
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${CORE_DIR}/os
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${CORE_DIR}/config
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${SERVERS_DIR}
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${SERVERS_DIR}/rendering
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${SERVERS_DIR}/audio
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${SERVERS_DIR}/physics
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${EDITOR_DIR}
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${MODULES_DIR}
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${MODULES_DIR}/gdscript
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${MODULES_DIR}/gridmap
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${MODULES_DIR}/navigation
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${MODULES_DIR}/visual_script
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${PLATFORM_DIR}
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${PLATFORM_INCLUDE}
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${SCENE_DIR}
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${SCENE_DIR}/2d
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${SCENE_DIR}/3d
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${SCENE_DIR}/animation
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${THIRDPARTY_DIR}
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${THIRDPARTY_DIR}/zlib
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${THIRDPARTY_DIR}/libpng
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${THIRDPARTY_DIR}/freetype
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${THIRDPARTY_DIR}/libogg
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${THIRDPARTY_DIR}/libvorbis
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)
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# Platform-specific dependencies
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if(REX_PLATFORM STREQUAL "linux")
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find_package(X11 REQUIRED)
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find_package(ALSA REQUIRED)
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find_package(Freetype REQUIRED)
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find_package(PkgConfig REQUIRED)
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pkg_check_modules(FONTCONFIG REQUIRED fontconfig)
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pkg_check_modules(LIBPULSE REQUIRED libpulse)
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target_link_libraries(rex_engine PRIVATE
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${X11_LIBRARIES}
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${ALSA_LIBRARIES}
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${FREETYPE_LIBRARIES}
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${FONTCONFIG_LIBRARIES}
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${LIBPULSE_LIBRARIES}
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pthread
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dl
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z
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)
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elseif(REX_PLATFORM STREQUAL "windows")
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target_link_libraries(rex_engine PRIVATE
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ws2_32
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winmm
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dsound
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opengl32
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d3d9
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shlwapi
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dwmapi
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gdi32
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)
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elseif(REX_PLATFORM STREQUAL "macos")
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find_library(COCOA_LIBRARY Cocoa)
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find_library(IOKIT_LIBRARY IOKit)
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find_library(OPENGL_LIBRARY OpenGL)
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find_library(COREFOUNDATION_LIBRARY CoreFoundation)
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find_library(AUDIOUNIT_LIBRARY AudioUnit)
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target_link_libraries(rex_engine PRIVATE
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${COCOA_LIBRARY}
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${IOKIT_LIBRARY}
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${OPENGL_LIBRARY}
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${COREFOUNDATION_LIBRARY}
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${AUDIOUNIT_LIBRARY}
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z
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)
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endif()
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# Preprocessor definitions
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target_compile_definitions(rex_engine PRIVATE ${PLATFORM_DEFINES})
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# Dev mode defines
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if(REX_DEV_MODE)
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target_compile_definitions(rex_engine PRIVATE DEV_ENABLED TOOLS_ENABLED)
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endif()
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# Output binary directory
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set_target_properties(rex_engine PROPERTIES
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RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/bin
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)

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