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git://git.tartarus.org/simon/puzzles.git
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Files
9d7b044c01
Previously, we initialised all of the JavaScript event handlers as soon at the DOM was loaded, and then called main() ourselves once the Emscripten runtime was ready. This was slightly dangerous since it depended on none of those event handlers' being called before main(). In practice this was difficult because most of the elements the event handlers were attached to were invisible, but it did limit what event handlers could safely be used. Now, the event handlers are initialised from main(). This makes things work in a sufficiently conventional way that we can just let the Emscripten run-time call main() in its usual way, rather than involving ourselves in the minutiae of Emscripten's startup.
132 lines
4.2 KiB
CMake
132 lines
4.2 KiB
CMake
set(platform_common_sources emcc.c)
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set(platform_gui_libs)
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set(platform_libs)
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set(CMAKE_EXECUTABLE_SUFFIX ".js")
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set(WASM ON
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CACHE BOOL "Compile to WebAssembly rather than plain JavaScript")
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find_program(HALIBUT halibut)
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if(NOT HALIBUT)
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message(WARNING "HTML documentation cannot be built (did not find halibut)")
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endif()
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set(emcc_export_list
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# Event handlers for mouse and keyboard input
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_mouseup
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_mousedown
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_mousemove
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_key
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# Callback when the program activates timing
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_timer_callback
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# Callback from button presses in the UI outside the canvas
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_command
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# Game-saving and game-loading functions
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_get_save_file
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_free_save_file
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_load_game
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# Callbacks to return values from dialog boxes
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_dlg_return_sval
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_dlg_return_ival
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# Callbacks when the resizing controls are used
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_resize_puzzle
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_restore_puzzle_size
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# Callback when device pixel ratio changes
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_rescale_puzzle
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# Main program, run at initialisation time
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_main)
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list(TRANSFORM emcc_export_list PREPEND \")
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list(TRANSFORM emcc_export_list APPEND \")
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string(JOIN "," emcc_export_string ${emcc_export_list})
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set(CMAKE_C_LINK_FLAGS "\
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-s ALLOW_MEMORY_GROWTH=1 \
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-s EXPORTED_FUNCTIONS='[${emcc_export_string}]' \
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-s EXTRA_EXPORTED_RUNTIME_METHODS='[cwrap]' \
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-s STRICT_JS=1")
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if(WASM)
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set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -s WASM=1")
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else()
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set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} -s WASM=0")
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endif()
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set(build_cli_programs FALSE)
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set(build_gui_programs FALSE)
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function(get_platform_puzzle_extra_source_files OUTVAR NAME)
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set(${OUTVAR} PARENT_SCOPE)
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endfunction()
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function(set_platform_gui_target_properties TARGET)
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endfunction()
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function(set_platform_puzzle_target_properties NAME TARGET)
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em_link_pre_js(${TARGET} ${CMAKE_SOURCE_DIR}/emccpre.js)
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em_link_js_library(${TARGET} ${CMAKE_SOURCE_DIR}/emcclib.js)
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endfunction()
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function(build_platform_extras)
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if(HALIBUT)
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set(help_dir ${CMAKE_CURRENT_BINARY_DIR}/help)
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add_custom_command(OUTPUT ${help_dir}/en
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COMMAND ${CMAKE_COMMAND} -E make_directory ${help_dir}/en)
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add_custom_command(OUTPUT ${help_dir}/en/index.html
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COMMAND ${HALIBUT} --html -Chtml-template-fragment:%k
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${CMAKE_CURRENT_SOURCE_DIR}/puzzles.but
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DEPENDS
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${help_dir}/en
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${CMAKE_CURRENT_SOURCE_DIR}/puzzles.but
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WORKING_DIRECTORY ${help_dir}/en)
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add_custom_target(kaios_help ALL
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DEPENDS ${help_dir}/en/index.html)
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endif()
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# This is probably not the right way to set the destination.
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set(CMAKE_INSTALL_PREFIX ${CMAKE_CURRENT_BINARY_DIR} CACHE PATH
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"Installation path" FORCE)
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add_custom_target(kaios-extras ALL)
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foreach(name ${puzzle_names})
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add_custom_command(
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OUTPUT ${name}-manifest.webapp
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COMMAND ${PERL_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/kaios/manifest.pl
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"${name}" "${displayname_${name}}" "${description_${name}}"
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"${objective_${name}}" > "${name}-manifest.webapp"
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VERBATIM
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DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/kaios/manifest.pl)
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file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/kaios)
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add_custom_command(
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OUTPUT ${name}-kaios.html
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COMMAND ${PERL_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/kaios/apppage.pl
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"${name}" "${displayname_${name}}" > "${name}-kaios.html"
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VERBATIM
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DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/kaios/apppage.pl)
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add_custom_target(${name}-kaios-extras
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DEPENDS ${name}-manifest.webapp ${name}-kaios.html)
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add_dependencies(kaios-extras ${name}-kaios-extras)
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install(TARGETS ${name} DESTINATION kaios/${name})
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# Release builds generate an initial memory image alongside the
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# JavaScript, but CMake doesn't seem to know about it to install
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# it.
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install(FILES $<TARGET_FILE:${name}>.mem OPTIONAL
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DESTINATION kaios/${name})
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install(FILES ${ICON_DIR}/${name}-56kai.png ${ICON_DIR}/${name}-112kai.png
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DESTINATION kaios/${name} OPTIONAL)
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install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${name}-kaios.html
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RENAME ${name}.html
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DESTINATION kaios/${name})
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install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${name}-manifest.webapp
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RENAME manifest.webapp
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DESTINATION kaios/${name})
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if (HALIBUT)
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install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/help
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DESTINATION kaios/${name})
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endif()
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endforeach()
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endfunction()
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