CMakeLists.txt

cmake_minimum_required(VERSION 3.11)
set (CMAKE_CXX_STANDARD 14)

project(SunRay)

include(ExternalProject)

# Set install directory
set(CMAKE_INSTALL_PREFIX ${CMAKE_SOURCE_DIR}/dist CACHE PATH ${CMAKE_SOURCE_DIR}/dist FORCE)
if(WIN32)
    set(CMAKE_CONFIGURATION_TYPES "Debug;Release" CACHE STRING "Debug;Release" FORCE)
endif()

list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)

find_package(OpenGL REQUIRED COMPONENTS OpenGL)

find_package(Doxygen)
if(DOXYGEN_FOUND)
    set(DOXYGEN_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR}/docs/doxygen)
    set(DOXYGEN_EXCLUDE_PATTERNS */thirdparty/*)
    set(DOXYGEN_GENERATE_XML YES)
    set(DOXYGEN_INHERIT_DOCS NO)
    set(DOXYGEN_COLLABORATION_GRAPH YES)
    set(DOXYGEN_EXTRACT_ALL YES)
    set(DOXYGEN_CLASS_DIAGRAMS YES)
    set(DOXYGEN_HIDE_UNDOC_RELATIONS NO)
    set(DOXYGEN_HAVE_DOT YES)
    set(DOXYGEN_CLASS_GRAPH YES)
    set(DOXYGEN_CALL_GRAPH YES)
    set(DOXYGEN_CALLER_GRAPH YES)
    set(DOXYGEN_COLLABORATION_GRAPH YES)
    set(DOXYGEN_BUILTIN_STL_SUPPORT YES)
    set(DOXYGEN_EXTRACT_PRIVATE YES)
    set(DOXYGEN_EXTRACT_PACKAGE YES)
    set(DOXYGEN_EXTRACT_STATIC YES)
    set(DOXYGEN_EXTRACT_LOCALMETHODS YES)
    set(DOXYGEN_UML_LOOK YES)
    set(DOXYGEN_UML_LIMIT_NUM_FIELDS 50)
    set(DOXYGEN_TEMPLATE_RELATIONS YES)
    set(DOXYGEN_DOT_GRAPH_MAX_NODES 100)
    set(DOXYGEN_MAX_DOT_GRAPH_DEPTH 0)
    set(DOXYGEN_DOT_TRANSPARENT YES)
    doxygen_add_docs(doxygen src)
else()
    message( "Doxygen need to be installed to generate the doxygen documentation" )
endif()

include(BuildGLEW)
include(BuildGLFW)
include(BuildGLM)
include(BuildSTB)
include(BuildOpenISS)

set(EXEC SunRay)
file(GLOB_RECURSE SRC src/*.cpp)
add_executable(${EXEC} ${SRC})
target_link_libraries(${EXEC} OpenGL::GL glew_s glfw glm openiss-static stb)
list(APPEND BIN ${EXEC})

add_custom_command(TARGET SunRay POST_BUILD
    COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_SOURCE_DIR}/assets $<TARGET_FILE_DIR:SunRay>/assets
    COMMAND ${CMAKE_COMMAND} -E copy_directory ${CMAKE_SOURCE_DIR}/src/shaders $<TARGET_FILE_DIR:SunRay>/shaders
)

# install files to install location
install(TARGETS ${BIN} DESTINATION ${CMAKE_INSTALL_PREFIX})
install(DIRECTORY assets DESTINATION ${CMAKE_INSTALL_PREFIX})
install(DIRECTORY src/shaders DESTINATION ${CMAKE_INSTALL_PREFIX})