project_files/hwc/CMakeLists.txt
author sheepluva
Thu, 24 Jun 2021 00:09:30 +0200
changeset 15805 61da40b657fa
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child 15962 4013354585be
permissions -rw-r--r--
hedgewars-engine (rust): ugly+slow impl for returning lib's previews (QTfrontend "compatible")
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#the usual set of dependencies
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find_package(OpenGL REQUIRED)
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find_package(SDL2 REQUIRED CONFIG)
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find_package(SDL2_mixer 2 REQUIRED)
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find_package(SDL2_net 2 REQUIRED)
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find_package(SDL2_image 2 REQUIRED)
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find_package(SDL2_ttf 2 REQUIRED)
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#compile our rtl implementation
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include_directories(${CMAKE_CURRENT_SOURCE_DIR}/rtl)
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include_directories(${PHYSFS_INCLUDE_DIR})
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include_directories(${PHYSLAYER_INCLUDE_DIR})
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include_directories(${LUA_INCLUDE_DIR})
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include_directories(${SDL2_INCLUDE_DIRS})
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add_subdirectory(rtl)
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# convert list into pascal array
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if(FONTS_DIRS)
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  list(LENGTH FONTS_DIRS ndirs)
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  set(FONTS_DIRS_ARRAY "array [0..${ndirs}] of PChar = (")
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  foreach(fontdir ${FONTS_DIRS})
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      set(FONTS_DIRS_ARRAY "${FONTS_DIRS_ARRAY}\n_P'${fontdir}',")
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  endforeach(fontdir)
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  set(FONTS_DIRS_ARRAY "${FONTS_DIRS_ARRAY}\nnil);\n")
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else(FONTS_DIRS)
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  set(FONTS_DIRS_ARRAY "array [0..1] of PChar = (nil, nil);")
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endif(FONTS_DIRS)
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configure_file(${CMAKE_SOURCE_DIR}/hedgewars/config.inc.in ${CMAKE_CURRENT_BINARY_DIR}/config.inc)
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#get the list of pas files that are going to be converted and compiled
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file(GLOB engine_sources_pas "${CMAKE_SOURCE_DIR}/hedgewars/*.pas")
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list(REMOVE_ITEM engine_sources_pas "${CMAKE_SOURCE_DIR}/hedgewars/uTouch.pas")
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list(REMOVE_ITEM engine_sources_pas "${CMAKE_SOURCE_DIR}/hedgewars/PNGh.pas")
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list(REMOVE_ITEM engine_sources_pas "${CMAKE_SOURCE_DIR}/hedgewars/pas2cSystem.pas")
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list(REMOVE_ITEM engine_sources_pas "${CMAKE_SOURCE_DIR}/hedgewars/pas2cRedo.pas")
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list(REMOVE_ITEM engine_sources_pas "${CMAKE_SOURCE_DIR}/hedgewars/hwLibrary.pas")
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if(NOVIDEOREC)
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	list(REMOVE_ITEM engine_sources_pas "${CMAKE_SOURCE_DIR}/hedgewars/uVideoRec.pas")
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endif()
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if(NOT GL2)
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    list(REMOVE_ITEM engine_sources_pas "${CMAKE_SOURCE_DIR}/hedgewars/uMatrix.pas")
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endif()
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#remove and readd hwengine so that it is compiled first, compiling every other file in the process
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list(REMOVE_ITEM engine_sources_pas ${CMAKE_SOURCE_DIR}/hedgewars/hwengine.pas)
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list(APPEND engine_sources_pas ${CMAKE_SOURCE_DIR}/hedgewars/hwengine.pas)
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#process files .pas -> .c
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foreach(sourcefile ${engine_sources_pas})
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    get_filename_component(sourcename ${sourcefile} NAME_WE) #drops .pas
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    list(APPEND engine_sources "${CMAKE_CURRENT_BINARY_DIR}/${sourcename}.c")
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endforeach()
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#add again files for external functions and for fpcrtl_ functions
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list(APPEND engine_sources_pas ${CMAKE_SOURCE_DIR}/hedgewars/pas2cSystem.pas)
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list(APPEND engine_sources_pas ${CMAKE_SOURCE_DIR}/hedgewars/pas2cRedo.pas)
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set(pas2c_args -n hwengine
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               -i ${CMAKE_SOURCE_DIR}/hedgewars
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               -o ${CMAKE_CURRENT_BINARY_DIR}
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               -a ${CMAKE_CURRENT_BINARY_DIR}
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               -d ENDIAN_LITTLE
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               -d DEBUGFILE)
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if(BUILD_ENGINE_JS)
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    set(pas2c_args ${pas2c_args} -d WEBGL)
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endif()
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if(BUILD_ENGINE_LIBRARY)
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    set(pas2c_args ${pas2c_args} -d HWLIBRARY)
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endif()
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if(GL2)
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    set(pas2c_args ${pas2c_args} -d GL2)
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endif()
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if(APPLE)
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    set(pas2c_args ${pas2c_args} -d DARWIN)
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endif()
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if(LIBAV_FOUND)
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    add_subdirectory(${CMAKE_SOURCE_DIR}/hedgewars/avwrapper ${CMAKE_CURRENT_BINARY_DIR}/avwrapper)
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    list(APPEND HW_LINK_LIBS avwrapper)
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    set(pas2c_args ${pas2c_args} -d USE_VIDEO_RECORDING)
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endif()
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#invoke pas2c on main module, it will call all the others
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add_custom_command(OUTPUT ${engine_sources}
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                   COMMAND "${EXECUTABLE_OUTPUT_PATH}/pas2c${CMAKE_EXECUTABLE_SUFFIX}"
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                   ARGS ${pas2c_args}
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                   DEPENDS pas2c                     #converter tool
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                           ${engine_sources_pas}     #original pascal file
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                  )
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#wrap conversion for all source in this command
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add_custom_target(engine_c DEPENDS ${engine_sources})
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if(BUILD_ENGINE_JS)
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    add_flag_append(CMAKE_C_FLAGS "--memory-init-file 0 -O0 --js-opts 0 -g4 --use-preload-plugins -s ASSERTIONS=2 -s USE_SDL=2 -s USE_SDL_IMAGE=1 -s USE_LIBPNG=1 -s USE_SDL_TTF=2 -s USE_VORBIS=1 -s USE_OGG=1 -s TOTAL_MEMORY=100000000 -s GL_UNSAFE_OPTS=0 -s EXPORTED_FUNCTIONS=\"['_hwengine_RunEngine', '_hwengine_MainLoop']\" --post-js ${CMAKE_SOURCE_DIR}/project_files/web/post.js --pre-js ${CMAKE_SOURCE_DIR}/project_files/web/pre.js")
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endif()
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#compile the c files
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add_definitions(-DPAS2C)
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add_definitions(-Werror=incompatible-pointer-types)
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add_executable(hwengine WIN32 ${engine_sources})
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if(BUILD_ENGINE_JS)
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    set_target_properties(hwengine PROPERTIES SUFFIX ".html")
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endif()
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target_link_libraries(hwengine  fpcrtl
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                                ${LUA_LIBRARY}
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                                ${OPENGL_LIBRARY}
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                                ${SDL2_LIBRARIES}
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                                ${SDL2_MIXER_LIBRARIES}
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                                ${SDL2_NET_LIBRARIES}
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                                ${SDL2_IMAGE_LIBRARIES}
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                                ${SDL2_TTF_LIBRARIES}
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                                physfs
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                                physlayer
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                                m
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                                ${HW_LINK_LIBS}
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                                #TODO: add other libraries
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                            )
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install(PROGRAMS "${EXECUTABLE_OUTPUT_PATH}/hwengine${CMAKE_EXECUTABLE_SUFFIX}" DESTINATION ${target_binary_install_dir})
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