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# TODO: Update to match new AddDownloadableResource.
# Adds a target that creates a datafile archive containing all files under selected directory tree. For example:
#
# add_datafile(
# shatter
# SOURCE shatter
# OUTPUT shatter.dat
# )
#
# Will create 'shatter.dat' in the respective binary directory containing all files in 'shatter' subdirectory of current
# source directory. SOURCE option's argument defaults to the target name. OUTPUT option's argument defaults to the
# target name with ".dat" suffix.
#
# To create the archive Datafile.exe is used, so for non-Windows platforms an emulator that can run it is needed.
function(add_datafile)
set(DATAFILE_TARGET ${ARGV0})
cmake_parse_arguments(
PARSE_ARGV 1
DATAFILE
""
"SOURCE;OUTPUT"
"RESOURCES"
)
if(NOT DEFINED DATAFILE_SOURCE)
set(DATAFILE_SOURCE ${DATAFILE_TARGET})
endif()
if(NOT DEFINED DATAFILE_OUTPUT)
set(DATAFILE_OUTPUT "${DATAFILE_TARGET}.dat")
endif()
cmake_path(ABSOLUTE_PATH DATAFILE_SOURCE NORMALIZE BASE_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR})
cmake_path(ABSOLUTE_PATH DATAFILE_OUTPUT NORMALIZE BASE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
if(CMAKE_HOST_SYSTEM_NAME MATCHES Windows)
set(DATAFILE_VAR PATH)
set(DATAFILE_PATHS $ENV{PATH})
list(PREPEND DATAFILE_PATHS $<TARGET_FILE_DIR:Zlib::zlib>)
else()
set(DATAFILE_VAR WINEPATH)
set(DATAFILE_PATHS $ENV{WINEPATH})
list(PREPEND DATAFILE_PATHS $<TARGET_FILE_DIR:Zlib::zlib>)
list(PREPEND DATAFILE_PATHS $<SHELL_PATH:${CMAKE_FIND_ROOT_PATH}/bin>)
endif()
add_custom_command(
OUTPUT ${DATAFILE_OUTPUT}
DEPENDS ${DATAFILE_SOURCE}
COMMAND ${CMAKE_COMMAND} -E rm -f ${DATAFILE_OUTPUT}
COMMAND
${CMAKE_COMMAND} -E chdir ${DATAFILE_SOURCE}
${CMAKE_COMMAND} -E env "${DATAFILE_VAR}='${DATAFILE_PATHS}'"
${CMAKE_CORSSCOMPILING_EMULATOR}
$<TARGET_FILE:Datafile> $<SHELL_PATH:${DATAFILE_OUTPUT}> -mak
COMMENT "Creating datafile ${DATAFILE_TARGET}"
)
foreach(RESOURCE IN ITEMS ${DATAFILE_RESOURCES})
cmake_path(ABSOLUTE_PATH RESOURCE NORMALIZE BASE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
message(STATUS ${RESOURCE})
add_custom_command(
OUTPUT ${DATAFILE_OUTPUT} APPEND
DEPENDS ${RESOURCE}
COMMAND
${CMAKE_COMMAND} -E chdir ${RESOURCE}
${CMAKE_COMMAND} -E env "${DATAFILE_VAR}='${DATAFILE_PATHS}'"
${CMAKE_CORSSCOMPILING_EMULATOR}
$<TARGET_FILE:Datafile> $<SHELL_PATH:${DATAFILE_OUTPUT}> -mak
)
endforeach()
add_custom_target(${DATAFILE_TARGET} ALL DEPENDS ${DATAFILE_OUTPUT})
endfunction()
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