HULL/cmake/platforms/emscripten.cmake

49 lines
1.5 KiB
CMake

# Emscripten specific settings
if(NOT EMSCRIPTEN)
return()
endif()
set(CMAKE_EXECUTABLE_SUFFIX ".js")
set(CMAKE_SHARED_LIBRARY_SUFFIX ".wasm")
# Disable options that don't make sense for emscripten
set(BUILD_SERVER OFF CACHE INTERNAL "")
set(BUILD_RENDERER_GL1 OFF CACHE INTERNAL "")
set(USE_RENDERER_DLOPEN OFF CACHE INTERNAL "")
set(USE_OPENAL_DLOPEN OFF CACHE INTERNAL "")
set(BUILD_GAME_LIBRARIES OFF CACHE INTERNAL "")
set(USE_HTTP OFF CACHE INTERNAL "")
list(APPEND CLIENT_LINK_OPTIONS
-sTOTAL_MEMORY=256MB
-sSTACK_SIZE=5MB
-sMIN_WEBGL_VERSION=1
-sMAX_WEBGL_VERSION=2
-sEXPORTED_RUNTIME_METHODS=FS,addRunDependency,removeRunDependency
-sEXIT_RUNTIME=1
-sEXPORT_ES6
-sEXPORT_NAME=${CLIENT_NAME}
)
option(EMSCRIPTEN_PRELOAD_FILE "Preload game files into .data file" OFF)
if(EMSCRIPTEN_PRELOAD_FILE)
if(NOT EXISTS "${CMAKE_SOURCE_DIR}/${BASEGAME}")
message(FATAL_ERROR "No files in '${BASEGAME}' directory for emscripten to preload.")
endif()
list(APPEND CLIENT_LINK_OPTIONS --preload-file "${BASEGAME}")
endif()
set(POST_CLIENT_CONFIGURE_FUNCTION deploy_shell_files)
function(deploy_shell_files)
configure_file(${SOURCE_DIR}/web/client.html.in
${CMAKE_BINARY_DIR}/${CMAKE_BUILD_TYPE}/${CLIENT_NAME}.html @ONLY)
if(NOT EMSCRIPTEN_PRELOAD_FILE)
configure_file(${SOURCE_DIR}/web/client-config.json
${CMAKE_BINARY_DIR}/${CMAKE_BUILD_TYPE}/${CLIENT_NAME}-config.json COPYONLY)
endif()
endfunction()