CMakeLists.txt

cmake_minimum_required(VERSION 3.0 FATAL_ERROR)
project(SandSim VERSION 1.1)

set(SFML_STATIC_LIBRARIES TRUE)
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /SUBSYSTEM:WINDOWS /ENTRY:mainCRTStartup")

file(GLOB_RECURSE SOURCE_FILES ${CMAKE_SOURCE_DIR}/src/*.cpp)
file(GLOB_RECURSE HEADER_FILES ${CMAKE_SOURCE_DIR}/src/*.h ${CMAKE_SOURCE_DIR}/src/*.hpp)
file(GLOB_RECURSE IMAGES_FILES ${CMAKE_SOURCE_DIR}/images/*)

FILE(COPY "${CMAKE_CURRENT_SOURCE_DIR}/images" DESTINATION "${CMAKE_CURRENT_BINARY_DIR}")

add_executable(${PROJECT_NAME} ${SOURCE_FILES} ${HEADER_FILES})

find_package(SFML REQUIRED graphics)
target_link_libraries(${PROJECT_NAME} sfml-graphics)

install(TARGETS SandSim DESTINATION bin)
install(FILES ${IMAGES_FILES} DESTINATION images)

option(BUILD_DOC "Build documentation" ON)
if(BUILD_DOC)
find_package(Doxygen)
if (DOXYGEN_FOUND)

set(DOXYGEN_CONFIG_FILE ${CMAKE_SOURCE_DIR}/Doxyfile)

MACRO(CONFIGURE_DOXYGEN_FILE DOXYGEN_CONFIG_FILE FILE_NAME_SUFFIX)
 IF(EXISTS ${PROJECT_SOURCE_DIR}/${DOXYGEN_CONFIG_FILE})
    FILE(REMOVE ${CMAKE_CURRENT_BINARY_DIR}/doxy-${FILE_NAME_SUFFIX}.conf)
    FILE(READ ${PROJECT_SOURCE_DIR}/${DOXYGEN_CONFIG_FILE} DOXYFILE_CONTENTS)
     STRING(REGEX REPLACE ";" "\\\\;" DOXYFILE_CONTENTS "${DOXYFILE_CONTENTS}")
     STRING(REGEX REPLACE "\n" ";" DOXYFILE_LINES "${DOXYFILE_CONTENTS}")
     LIST(LENGTH DOXYFILE_LINES ROW)
     MATH(EXPR ROW "${ROW} - 1")
     FOREACH(I RANGE ${ROW})
        LIST(GET DOXYFILE_LINES ${I} LINE)
        IF(LINE STRGREATER "")
         STRING(REGEX MATCH "^[a-zA-Z]([^ ])+" DOXY_PARAM ${LINE})
         IF(DEFINED DOXY_${DOXY_PARAM})
            STRING(REGEX REPLACE "=([^\n])+" "= ${DOXY_${DOXY_PARAM}}" LINE ${LINE})
         ENDIF(DEFINED DOXY_${DOXY_PARAM})
        ENDIF()
        FILE(APPEND ${CMAKE_CURRENT_BINARY_DIR}/doxy-${FILE_NAME_SUFFIX}.conf "${LINE}\n")
     ENDFOREACH()
 ELSE()
    MESSAGE(SEND_ERROR "Doxygen configuration file '${DOXYGEN_CONFIG_FILE}' not found. Documentation will not be generated")
 ENDIF()
ENDMACRO(CONFIGURE_DOXYGEN_FILE)

MACRO(ADD_DOCUMENTATION TARGET DOXYGEN_CONFIG_FILE)
    CONFIGURE_DOXYGEN_FILE(${DOXYGEN_CONFIG_FILE} ${TARGET})
    add_custom_target(${TARGET} ALL COMMAND ${DOXYGEN_EXECUTABLE} ${CMAKE_CURRENT_BINARY_DIR}/doxy-${TARGET}.conf WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} VERBATIM)
ENDMACRO(ADD_DOCUMENTATION)

SET(DOXY_PROJECT_NAME ${PROJECT_NAME})
SET(DOXY_PROJECT_NUMBER ${PROJECT_VERSION})
SET(DOXY_INPUT ${CMAKE_SOURCE_DIR}/src)
SET(DOXY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}")
ADD_DOCUMENTATION(doc Doxyfile)
install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/html DESTINATION docs)

else(DOXYGEN_FOUND)
  message("Doxygen need to be installed to generate the doxygen documentation")
endif(DOXYGEN_FOUND)
endif(BUILD_DOC)