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cmake_minimum_required(VERSION 3.13)
project(ProjectBrussel LANGUAGES C CXX)
include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
conan_basic_setup()
include(buildtools/cmake/Exceptions.cmake)
include(buildtools/cmake/RTTI.cmake)
include(buildtools/cmake/Win32Subsystem.cmake)
find_package(OpenGL REQUIRED)
add_subdirectory(3rdparty/glfw)
add_subdirectory(3rdparty/glm)
add_subdirectory(3rdparty/imgui)
add_subdirectory(3rdparty/imguicolortextedit)
add_subdirectory(3rdparty/tracy)
# ==============================================================================
# Standalone library things
file(GLOB_RECURSE things_common_SOURCES source-common/*.c source-common/*.cpp)
add_library(things_common OBJECT ${things_common_SOURCES})
set_target_properties(things_common PROPERTIES
CXX_STANDARD 20
CXX_STANDARD_REQUIRED ON
CXX_EXTENSIONS OFF
# Many files include platform headers, we don't want to leak them - it's just simpler to disable unity build for everything
UNITY_BUILD OFF
)
target_include_directories(things_common PUBLIC source-common)
target_link_libraries(things_common PUBLIC
# External dependencies
${CONAN_LIBS}
glm::glm
)
# ==============================================================================
# Codegen
# NOTE: delibrately not recursive, see README.md in the folder for details
file(GLOB codegen_SOURCES buildtools/codegen/*.c buildtools/codegen/*.cpp)
add_executable(codegen ${codegen_SOURCES})
set_target_properties(codegen PROPERTIES
CXX_STANDARD 20
CXX_STANDARD_REQUIRED ON
CXX_EXTENSIONS OFF
UNITY_BUILD OFF
)
target_link_libraries(codegen PRIVATE
# External dependencies
${CONAN_LIBS}
# Project internal components
things_common
)
target_flag_exceptions(codegen ON)
target_flag_rtti(codegen OFF)
option(BRUSSEL_CODEGEN_DEBUG_PRINT "Enable debug printing in the code generator or not." OFF)
if(BRUSSEL_CODEGEN_DEBUG_PRINT)
target_compile_definitions(codegen PRIVATE CODEGEN_DEBUG_PRINT=1)
endif()
file(GLOB_RECURSE things_codegen_companion_SOURCES buildtools/codegen-companion/*.c buildtools/codegen-companion/*.cpp)
add_library(things_codegen_companion OBJECT ${things_codegen_companion_SOURCES})
set_target_properties(things_codegen_companion PROPERTIES
CXX_STANDARD 20
CXX_STANDARD_REQUIRED ON
CXX_EXTENSIONS OFF
)
target_include_directories(things_codegen_companion PUBLIC buildtools/codegen-companion)
target_link_libraries(things_codegen_companion PUBLIC
# External dependencies
${CONAN_LIBS}
# Project internal components
things_common
)
# ==============================================================================
# Target creation code
function(add_projectized_executable)
# Add a library target
#
# Arguments
# TARGET_NAME
# TARGET_SOURCE_DIR
# EXTRA_SOURCES
# ENABLE_CODEGEN
set(one_value_args TARGET_NAME TARGET_SOURCE_DIR ENABLE_CODEGEN)
set(multi_value_args EXTRA_SOURCES)
cmake_parse_arguments(arg "" "${one_value_args}" "${multi_value_args}" ${ARGN})
file(GLOB_RECURSE var_HEADERS
${arg_TARGET_SOURCE_DIR}/*.h
${arg_TARGET_SOURCE_DIR}/*.hh
${arg_TARGET_SOURCE_DIR}/*.hpp
)
file(GLOB_RECURSE var_SOURCES
${arg_TARGET_SOURCE_DIR}/*.c
${arg_TARGET_SOURCE_DIR}/*.cc
${arg_TARGET_SOURCE_DIR}/*.cpp
)
add_executable(${arg_TARGET_NAME}
${var_SOURCES}
${arg_EXTRA_SOURCES}
)
target_include_directories(${arg_TARGET_NAME} PRIVATE
${arg_TARGET_SOURCE_DIR}
)
target_link_libraries(${arg_TARGET_NAME} PRIVATE
things_common
)
set_target_properties(brussel PROPERTIES
CXX_STANDARD 20
CXX_STANDARD_REQUIRED ON
CXX_EXTENSIONS OFF
)
if(arg_ENABLE_CODEGEN)
set(var_OUTPUT_DIR ${CMAKE_BINARY_DIR}/generated/${arg_TARGET_NAME})
target_include_directories(${arg_TARGET_NAME} PRIVATE ${var_OUTPUT_DIR})
target_link_libraries(${arg_TARGET_NAME} PRIVATE things_codegen_companion)
foreach(var_HEADER IN LISTS var_HEADERS)
get_filename_component(var_HEADER_ABS "${var_HEADER}" ABSOLUTE)
get_filename_component(var_HEADER_NAME "${var_HEADER}" NAME_WLE)
# Things that are included by other TUs
set(var_OUTPUT_HEADERS
${var_OUTPUT_DIR}/generated/${var_HEADER_NAME}.gh.inl
${var_OUTPUT_DIR}/generated/${var_HEADER_NAME}.gs.inl
)
# Things that needs to be compiled
# NOTE: we need at least one of this to make sure the target is rebuilt if the generated files changes
set(var_OUTPUT_SOURCES
${var_OUTPUT_DIR}/generated/${var_HEADER_NAME}.gs.cpp
)
# Generate the files
add_custom_command(
OUTPUT ${var_OUTPUT_HEADERS} ${var_OUTPUT_SOURCES}
COMMAND codegen ${var_OUTPUT_DIR}/generated single:${var_HEADER}
DEPENDS ${var_HEADER}
)
# Add generated TUs to the target
target_sources(${arg_TARGET_NAME} PRIVATE ${var_OUTPUT_SOURCES})
endforeach()
endif()
endfunction()
# ==============================================================================
# The main game
add_projectized_executable(
TARGET_NAME brussel
TARGET_SOURCE_DIR source/
ENABLE_CODEGEN ON
)
set_source_files_properties(
source/main.cpp
TARGET_DIRECTORY brussel
PROPERTIES
SKIP_UNITY_BUILD_INCLUSION ON
)
set_target_properties(brussel PROPERTIES
UNITY_BUILD_MODE BATCH
UNITY_BUILD_UNIQUE_ID "ProjectBrussel_UNITY_ID"
)
target_compile_definitions(brussel PRIVATE
RAPIDJSON_HAS_STDSTRING=1
IMGUI_DISABLE_OBSOLETE_FUNCTIONS
)
target_link_libraries(brussel PRIVATE
# External dependencies
${CONAN_LIBS}
OpenGL::GL
glfw
glm::glm
imgui
ImGuiColorTextEdit
tracy
# Project internal components
)
target_flag_exceptions(brussel ON)
target_flag_rtti(brussel ON)
target_use_windows_subsystem(brussel)
option(BRUSSEL_ENABLE_PROFILING "Whether profiling support is enabled or not." OFF)
if(BRUSSEL_ENABLE_PROFILING)
target_compile_definitions(brussel
PRIVATE
TRACY_ENABLE
)
endif()
option(BRUSSEL_ENABLE_DEV_ENC "Enable dev environment features or not." ON)
if(BRUSSEL_ENABLE_DEV_ENC)
target_compile_definitions(brussel
PRIVATE
BRUSSEL_DEV_ENV=1
)
endif()
option(BRUSSEL_ENABLE_EDITOR "Enable editor support or not." ON)
if(BRUSSEL_ENABLE_EDITOR)
target_compile_definitions(brussel
PRIVATE
BRUSSEL_ENABLE_EDITOR=1
)
endif()
option(BRUSSEL_ENABLE_ASAN "Enable AddressSanitizer or not." OFF)
if(BRUSSEL_ENABLE_ASAN)
target_compile_options(brussel
PRIVATE
-fsanitize=address
-fno-omit-frame-pointer
)
target_link_options(brussel
PRIVATE
-fsanitize=address
-fno-omit-frame-pointer
)
endif()
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