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CMakeLists.txt
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cmake_minimum_required(VERSION 3.14.3)
################################################################################
################ Project initialisation
################################################################################
if(NOT CMAKE_CXX_STANDARD)
set(CMAKE_CXX_STANDARD 14)
endif()
set(CMAKE_CXX_STANDARD_REQUIRED ON)
if(NOT CMAKE_INSTALL_RPATH)
set(CMAKE_INSTALL_RPATH "\$ORIGIN/../lib")
endif()
if(NOT CMAKE_POSITION_INDEPENDENT_CODE)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
endif()
#This option determines the default
set(ECHO_TARGET_PLATFORM "linux" CACHE STRING "Target platform to build for")
set_property(CACHE ECHO_TARGET_PLATFORM PROPERTY STRINGS linux wii)
### Feature options
set(ECHO_UI_FRAMEWORK "GTK" CACHE STRING "GUI Framework to build support for")
set_property(CACHE ECHO_UI_FRAMEWORK PROPERTY STRINGS Null Qt GTK)
set(ECHO_AUDIO_SYSTEM "Null" CACHE STRING "Audio System to build support for")
set_property(CACHE ECHO_AUDIO_SYSTEM PROPERTY STRINGS Null OpenAL)
option(BUILD_WITH_JPEG "Build with JPEG support" ON)
option(BUILD_WITH_PNG "Build with PNG support" ON)
option(BUILD_WITH_OPENGL "Build with OpenGL support" ON)
option(BUILD_WITH_SOCKETS "Build with socket networking support" ON)
option(BUILD_WITH_WEBSOCKETS "Build with Websocket support" ON)
option(BUILD_TESTS "Build unit tests" ON)
option(BUILD_GRAPHICS_TESTS "Build tests that require the Graphics subsystem. These require manual verification" ON)
option(BUILD_WITH_FREETYPE "Build with Freetype support" ON)
option(BUILD_WITH_ADDRESS_SANITISE "Build with compiler flags to profile memory leaks and other memory problems. This has a performance impact." OFF)
option(BUILD_WITH_EFSW "Build with EFSW to allow automatic resource loading by default. This isn't supported on all platforms." OFF)
include("${CMAKE_CURRENT_LIST_DIR}/dependencies/scripts/${ECHO_TARGET_PLATFORM}/echo3Options.cmake" OPTIONAL)
# This can be used to disable doctest discovering tests for ctest which can fail when cross compiling. It can be used
# to cross compile tests. Platform configs will disable this
set(ECHO_DOCTEST_DISCOVER ON)
### CMake stuff
set(DEPS_ROOT "$ENV{ECHO_ENGINE_INSTALL_DIR}/${ECHO_TARGET_PLATFORM}" CACHE PATH "Path to dependencies install root")
set(NO_DEFAULT_PATH ON)
set(CMAKE_FIND_ROOT_PATH "${DEPS_ROOT}/lib/cmake")
### Require out-of-source builds
file(TO_CMAKE_PATH "${PROJECT_BINARY_DIR}/CMakeLists.txt" LOC_PATH)
if(EXISTS "${LOC_PATH}")
message(FATAL_ERROR "You cannot build in a source directory (or any directory with a CMakeLists.txt file). Please make a build subdirectory. Feel free to remove CMakeCache.txt and CMakeFiles.")
endif()
### Set build type
if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
message(STATUS "Setting build type to 'Release' as no build type was specified")
set(CMAKE_BUILD_TYPE "Release" CACHE STRING "Choose the build type (Debug/Release)" FORCE)
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS Debug Release)
endif()
################################################################################
################ Project configuration
################################################################################
project(echo3)
### Find dependencies
find_package(Box2D CONFIG REQUIRED)
find_package(Protobuf CONFIG REQUIRED)
find_package(utf8cpp CONFIG REQUIRED)
find_package(websocketpp CONFIG REQUIRED)
# Pkg-config searches vary depending on the platform. This is mainly to satisfy systems that pull in additional dependencies
# that might also include some that we would otherwise supply. The version of the system libraries might conflict with the
# versions we build against. Since our requirements (at the moment) are more flexible we'll link against the system versions.
include("${CMAKE_CURRENT_LIST_DIR}/dependencies/scripts/${ECHO_TARGET_PLATFORM}/echo3Dependencies.cmake")
add_library(echo3
proto/Font.proto
proto/GUI.proto
proto/MappedInputDevice.proto
proto/Material.proto
src/Animation/Animation.cpp
src/Animation/AnimationState.cpp
src/Animation/AnimationTrack.cpp
src/Animation/BoneAnimationTrack.cpp
src/Animation/SkeletonAnimation.cpp
src/Animation/SkeletonAnimationState.cpp
src/Animation/Skeleton.cpp
src/Animation/SpriteAnimation.cpp
src/Application.cpp
src/Audio/AudioBuffer.cpp
src/Audio/Audio.cpp
src/Audio/AudioPlayer.cpp
src/Audio/AudioSource.cpp
src/Audio/AudioStream.cpp
src/Chrono/Chrono.cpp
src/Chrono/CPUTimer.cpp
src/Chrono/FrameRateLimiter.cpp
src/FileSystem/File.cpp
src/FileSystem/FileReferenceEncrypted.cpp
src/FileSystem/FileReferenceFile.cpp
src/FileSystem/FileReferenceMemory.cpp
src/FileSystem/FileReferenceVFS.cpp
src/FileSystem/FileSystem.cpp
src/FileSystem/FileSystemSource.cpp
src/FileSystem/FileSystemSourceEncrypted.cpp
src/FileSystem/FileSystemSourceFile.cpp
src/FileSystem/FileSystemSourceMemory.cpp
src/FileSystem/FileSystemSourceVFS.cpp
src/Graphics/Camera.cpp
src/Graphics/CameraDollies.cpp
src/Graphics/Colour.cpp
src/Graphics/CubeMapTexture.cpp
src/Graphics/ElementBuffer.cpp
src/Graphics/Frustum.cpp
src/Graphics/Light.cpp
src/Graphics/MaterialAnimation.cpp
src/Graphics/Material.cpp
src/Graphics/Mesh.cpp
src/Graphics/MultipassRenderable.cpp
src/Graphics/MultiRenderer.cpp
src/Graphics/Node.cpp
src/Graphics/PrimitiveTypes.cpp
src/Graphics/Renderable.cpp
src/Graphics/Renderer.cpp
src/Graphics/RenderPass.cpp
src/Graphics/RenderTarget.cpp
src/Graphics/RenderTargetNotifier.cpp
src/Graphics/Scene.cpp
src/Graphics/SceneEntity.cpp
src/Graphics/SceneRenderable.cpp
src/Graphics/Shader.cpp
src/Graphics/ShaderProgram.cpp
src/Graphics/SkyBox.cpp
src/Graphics/Sprite.cpp
src/Graphics/StereoscopicRenderer.cpp
src/Graphics/SubMesh.cpp
src/Graphics/Terrain.cpp
src/Graphics/TextMesh.cpp
src/Graphics/Texture.cpp
src/Graphics/TextureUnit.cpp
src/Graphics/VertexAttribute.cpp
src/Graphics/VertexBuffer.cpp
src/Graphics/Viewport.cpp
src/GUI/Button.cpp
src/GUI/Container.cpp
src/GUI/Cursor.cpp
src/GUI/Element.cpp
src/GUI/GUI.cpp
src/GUI/Image.cpp
src/GUI/Layout.cpp
src/GUI/Menu.cpp
src/GUI/Screen.cpp
src/GUI/TextBox.cpp
src/GUI/Text.cpp
src/Input/GenericInputDevice.cpp
src/Input/Input.cpp
src/Input/InputDevice.cpp
src/Input/MappedInputDevice.cpp
src/Input/MappedInputDeviceLoader.cpp
src/Input/OnScreenAnalogueStick.cpp
src/Input/PseudoKeyboard.cpp
src/Input/PseudoMouse.cpp
src/Kernel/ExecutionModel.cpp
src/Kernel/Kernel.cpp
src/Kernel/Task.cpp
src/Kernel/TaskGroup.cpp
src/Kernel/TaskManager.cpp
src/Kernel/Thread.cpp
src/Logging/Logging.cpp
src/Maths/AxisAlignedBox.cpp
src/Maths/EchoMaths.cpp
src/Maths/Geometry.cpp
src/Maths/Matrix4.cpp
src/Maths/Plane.cpp
src/Maths/Quaternion.cpp
src/Maths/Vector4.cpp
src/Network/Connection.cpp
src/Network/ConnectionDetails.cpp
src/Network/DataPacket.cpp
src/Network/DataPacketFactory.cpp
src/Network/NetworkManager.cpp
src/Network/NetworkManagerUpdater.cpp
src/Network/NetworkSystem.cpp
src/Network/SimpleDataPacketPool.cpp
src/Physics/BulletDynamicMotionState.cpp
src/Physics/BulletFactory.cpp
src/Physics/BulletKinematicMotionState.cpp
src/Physics/BulletMeshDebugDrawer.cpp
src/Physics/BulletMeshPhysicsShape.cpp
src/Physics/BulletMotionState.cpp
src/Physics/BulletPhysicsShape.cpp
src/Physics/BulletPhysicsWorld.cpp
src/Physics/BulletRigidBody.cpp
src/Physics/MotionState.cpp
src/Physics/PhysicsBody.cpp
src/Physics/PhysicsShape.cpp
src/Physics/PhysicsWorld.cpp
src/Resource/3dsReader.cpp
src/Resource/BitmapLoader.cpp
src/Resource/FontManager.cpp
src/Resource/MaterialManager.cpp
src/Resource/MeshManager.cpp
src/Resource/MeshReader.cpp
src/Resource/OggAudioSource.cpp
src/Resource/ResourceManager.cpp
src/Resource/RIFFReader.cpp
src/Resource/ShaderManager.cpp
src/Resource/SkeletonManager.cpp
src/Resource/SkeletonReader.cpp
src/Resource/TextureLoader.cpp
src/Resource/TextureManager.cpp
src/Resource/WavAudioSource.cpp
src/Resource/XMAudioSource.cpp
src/Shell/Shell.cpp
src/Tile/TileLayer.cpp
src/Tile/TileLayerMesh.cpp
src/Tile/TileMap.cpp
src/Tile/TileSet.cpp
src/Tile/TMXLoader.cpp
src/Util/Configuration.cpp
src/Util/ContextSwitcher.cpp
src/Util/Parsers.cpp
src/Util/RegEx.cpp
src/Util/ScenePicker.cpp
src/Util/StringSetter.cpp
src/Util/StringUtils.cpp
src/Util/Texture.cpp
)
if(BUILD_WITH_SOCKETS)
target_sources(echo3 PRIVATE
src/Network/SocketNetworkSystem.cpp
src/Network/TCPConnection.cpp
src/Network/TLSConnection.cpp
src/Network/UDPConnection.cpp
)
target_compile_definitions(echo3
PUBLIC
ECHO_SOCKET_SUPPORT
)
endif()
if(BUILD_WITH_WEBSOCKETS)
target_sources(echo3 PRIVATE
src/Network/WebSocketConnection.cpp
src/Network/WebSocketNetworkSystem.cpp
)
target_compile_definitions(echo3
PUBLIC
ECHO_WEBSOCKET_SUPPORT
)
endif()
file(MAKE_DIRECTORY ${CMAKE_BINARY_DIR}/include/echo/generated)
protobuf_generate(TARGET echo3 PROTOC_OUT_DIR ${CMAKE_BINARY_DIR}/include/echo/generated)
target_link_directories(echo3 PUBLIC ${DEPS_ROOT}/lib)
target_link_libraries(
echo3
PUBLIC
protobuf::libprotobuf
websocketpp::websocketpp
PkgConfig::bullet
PkgConfig::libmodplug
PkgConfig::libtls
PkgConfig::libssl
PkgConfig::libcrypto
PkgConfig::vorbisfile
PkgConfig::vorbis
PkgConfig::ogg
PkgConfig::tmxparser
${CMAKE_DL_LIBS}
)
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
if(BUILD_WITH_ADDRESS_SANITISE)
add_compile_options(-fsanitize=address)
add_compile_options(-fno-omit-frame-pointer)
add_link_options(-fsanitize=address)
endif()
endif()
include("${CMAKE_CURRENT_LIST_DIR}/dependencies/scripts/${ECHO_TARGET_PLATFORM}/echo3.cmake")
if(BUILD_WITH_EFSW)
find_package(efsw CONFIG REQUIRED)
target_compile_definitions(echo3
PUBLIC
ECHO_EFSW_SUPPORT
)
target_link_libraries(
echo3
PUBLIC
efsw::efsw
)
endif()
if(BUILD_WITH_OPENGL)
target_sources(echo3 PRIVATE
src/Platforms/GL/GLRenderTarget.cpp
src/Platforms/GL/GLShader.cpp
src/Platforms/GL/GLShaderProgram.cpp
src/Platforms/GL/GLTexture.cpp
src/Platforms/GL/GLCubeMapTexture.cpp
src/Platforms/GL/GLRenderTexture.cpp
src/Platforms/GL/GLVertexBuffer.cpp
)
#target_link_libraries(echo3 PUBLIC PkgConfig::glew)
target_link_libraries(echo3 PUBLIC GLEW::GLEW)
endif()
if(BUILD_WITH_FREETYPE)
#The sources are unchanged, FontManager checks for this definition
target_compile_definitions(echo3 PUBLIC ECHO_FREETYPE_SUPPORT_ENABLED)
else()
endif()
if(BUILD_WITH_JPEG)
target_sources(echo3 PRIVATE src/Resource/JPEGLoader.cpp)
target_compile_definitions(echo3 PUBLIC ECHO_JPEG_SUPPORT_ENABLED)
target_link_libraries(echo3 PUBLIC PkgConfig::libjpeg)
endif()
if(BUILD_WITH_PNG)
target_sources(echo3 PRIVATE src/Resource/PNGLoader.cpp)
target_compile_definitions(echo3 PUBLIC ECHO_PNG_SUPPORT_ENABLED)
target_link_libraries(echo3 PUBLIC PkgConfig::libpng)
endif()
target_include_directories(
echo3
PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/include>
$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/include/echo/generated>
$<INSTALL_INTERFACE:include>
$<INSTALL_INTERFACE:include/echo/generated> # TODO: Ideally we would not have to include this path
)
set(ECHO_QT_UI_FRAMEWORK FALSE)
if (ECHO_UI_FRAMEWORK STREQUAL "Null")
target_sources(echo3
PRIVATE
src/Platforms/Null/NullDefaultInputManager.cpp
src/Platforms/Null/NullDefaultRenderTarget.cpp
src/Platforms/Null/SimpleDefaultExecutionModel.cpp
)
elseif (ECHO_UI_FRAMEWORK STREQUAL "Qt")
find_package(Qt5 CONFIG REQUIRED Core Gui OpenGL)
file(GLOB_RECURSE echo_qt_srcs CONFIGURE_DEPENDS src/Platforms/Qt/*.cpp)
target_sources(echo3
PRIVATE
${echo_qt_srcs}
)
target_link_libraries(echo3
PRIVATE
Qt5::OpenGL
Qt5::Gui
Qt5::Core
)
set(ECHO_QT_UI_FRAMEWORK TRUE)
elseif (ECHO_UI_FRAMEWORK STREQUAL "GTK")
pkg_check_modules(gtkmm REQUIRED IMPORTED_TARGET gtkmm-2.4)
pkg_check_modules(gtkglextmm REQUIRED IMPORTED_TARGET gtkglextmm-1.2)
file(GLOB_RECURSE echo_gtk_srcs CONFIGURE_DEPENDS src/Platforms/GTK/*.cpp)
target_sources(echo3
PRIVATE
${echo_gtk_srcs}
)
# Ubuntu 18.04 has a lot of packages incorrectly configured and hard code bad paths in pkg-config. cmake policy CMP0027 errors if
# an include path doesn't exist. A work around is to not import the package using PkgConfig::XYZ and instead manually add the
# compile and link flags. This is why ${gtkglextmm_INCLUDE_DIRS} and ${gtkglextmm_LIBRARIES} are used here.
# Additionally, unfortunately to the way CMake applies the import rules we need to specify PRIVATE here and any applications using
# GTK will have to do the same.
target_include_directories(echo3
PRIVATE
${gtkglextmm_INCLUDE_DIRS}
)
target_link_libraries(echo3
PRIVATE
PkgConfig::gtkmm
${gtkglextmm_LIBRARIES}
)
set(ECHO_GTK_UI_FRAMEWORK TRUE)
endif()
set(ECHO_OPENAL_AUDIO_SYSTEM FALSE)
if (ECHO_AUDIO_SYSTEM STREQUAL "Null")
target_sources(echo3
PRIVATE
src/Platforms/Null/NullAudio.cpp
)
elseif (ECHO_AUDIO_SYSTEM STREQUAL "OpenAL")
find_package(OpenAL CONFIG REQUIRED)
file(GLOB_RECURSE echo_openal_srcs CONFIGURE_DEPENDS src/Platforms/AL/*.cpp)
target_sources(echo3
PRIVATE
${echo_openal_srcs}
)
target_link_libraries(echo3
PRIVATE
OpenAL::OpenAL
)
set(ECHO_OPENAL_AUDIO_SYSTEM TRUE)
endif()
if (BUILD_TESTS OR BUILD_GRAPHICS_TESTS)
find_package(doctest CONFIG REQUIRED)
enable_testing()
endif()
if (BUILD_TESTS)
add_executable(RunUnitTests src/Tests/RunUnitTests.cpp)
target_link_libraries(RunUnitTests
PRIVATE
doctest::doctest
echo3
${gtkglextmm_LIBRARIES}
)
include(doctest)
file(GLOB TestsUnit_srcs CONFIGURE_DEPENDS src/Tests/Unit/*.cpp)
target_sources(RunUnitTests PRIVATE ${TestsUnit_srcs})
if (ECHO_DOCTEST_DISCOVER)
doctest_discover_tests(RunUnitTests)
endif()
endif()
if (BUILD_GRAPHICS_TESTS)
add_executable(RunGraphicTests src/Tests/RunGraphicTests.cpp)
target_include_directories(RunGraphicTests
PRIVATE
${gtkglextmm_INCLUDE_DIRS}
)
target_link_libraries(RunGraphicTests
PRIVATE
doctest::doctest
echo3
${gtkglextmm_LIBRARIES}
)
include(doctest)
file(GLOB TestsGraphic_srcs CONFIGURE_DEPENDS src/Tests/Graphic/*.cpp)
target_sources(RunGraphicTests PRIVATE ${TestsGraphic_srcs})
if (ECHO_DOCTEST_DISCOVER)
doctest_discover_tests(RunGraphicTests)
endif()
endif()
install(TARGETS echo3
EXPORT echo3Targets
LIBRARY DESTINATION lib
ARCHIVE DESTINATION lib
RUNTIME DESTINATION bin
INCLUDES DESTINATION include
)
install(EXPORT echo3Targets
FILE echo3Targets.cmake
NAMESPACE echo3::
DESTINATION lib/cmake/echo3
)
configure_file(cmake/echo3Config.cmake.in echo3Config.cmake @ONLY)
install(FILES "${CMAKE_CURRENT_BINARY_DIR}/echo3Config.cmake"
DESTINATION lib/cmake/echo3
)
install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/include/ DESTINATION include)
install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/include/echo/generated/ DESTINATION include/echo/generated PATTERN "*.h")

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CMakeLists.txt (14 KB)

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