mirror of
https://github.com/Astatin3/meteorbot-old.git
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Astatin3
93 lines
4.2 KiB
CMake
93 lines
4.2 KiB
CMake
# Will get client.jar and server.jar urls for a given game version and save them in ${VERSION_CLIENT/SERVER_URL}
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function(get_mc_version_urls game_version)
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if(NOT EXISTS "${CMAKE_BINARY_DIR}/mc_version_json_files/${game_version}.json")
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message(STATUS "${game_version}.json does not exist, retrieving it...")
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# Download global manifest file
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message(STATUS "Downloading Mojang's version_manifest_v2.json...")
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file(DOWNLOAD
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"https://piston-meta.mojang.com/mc/game/version_manifest_v2.json" # URL
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"${CMAKE_BINARY_DIR}/mc_version_json_files/version_manifest_v2.json" # Path
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STATUS DOWNLOAD_STATUS # Status code
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)
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# Separate the returned status code, and error message
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list(GET DOWNLOAD_STATUS 0 STATUS_CODE)
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list(GET DOWNLOAD_STATUS 1 ERROR_MESSAGE)
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if(${STATUS_CODE} EQUAL 0)
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message(STATUS "version_manifest_v2.json downloaded successfully. Extracting ${game_version} json urls...")
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else()
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# Exit CMake if the download failed, printing the error message.
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message(FATAL_ERROR "Error occurred during version_manifest_v2.json download: ${ERROR_MESSAGE}")
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endif()
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file(READ "${CMAKE_BINARY_DIR}/mc_version_json_files/version_manifest_v2.json" VERSION_MANIFEST_V2_CONTENT)
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# Get versions length
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string(JSON versions_array_length LENGTH ${VERSION_MANIFEST_V2_CONTENT} "versions")
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foreach(IDX RANGE ${versions_array_length})
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# Get the version of the current element
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string(JSON current_version GET ${VERSION_MANIFEST_V2_CONTENT} "versions" ${IDX} "id")
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# If it matches desired game_version, get version specific json URL
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if(current_version STREQUAL game_version)
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string(JSON version_json_url GET ${VERSION_MANIFEST_V2_CONTENT} "versions" ${IDX} "url")
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break()
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endif()
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endforeach()
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# Download version specific json file
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message(STATUS "Downloading Mojang's ${game_version}.json...")
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file(DOWNLOAD
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"${version_json_url}" # URL
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"${CMAKE_BINARY_DIR}/mc_version_json_files/${game_version}.json" # Path
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STATUS DOWNLOAD_STATUS # Status code
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)
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# Separate the returned status code, and error message
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list(GET DOWNLOAD_STATUS 0 STATUS_CODE)
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list(GET DOWNLOAD_STATUS 1 ERROR_MESSAGE)
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if(${STATUS_CODE} EQUAL 0)
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message(STATUS "${game_version}.json downloaded successfully. Extracting client and server urls...")
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else()
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# Exit CMake if the download failed, printing the error message.
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message(FATAL_ERROR "Error occurred during ${game_version}.json download: ${ERROR_MESSAGE}")
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endif()
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endif()
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# If we are here, ${game_version}.json exists, so get the URLs from it
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file(READ "${CMAKE_BINARY_DIR}/mc_version_json_files/${game_version}.json" GAME_VERSION_JSON_CONTENT)
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# Read client URL
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string(JSON VERSION_CLIENT_URL GET ${GAME_VERSION_JSON_CONTENT} "downloads" "client" "url")
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# Read server URL
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string(JSON VERSION_SERVER_URL GET ${GAME_VERSION_JSON_CONTENT} "downloads" "server" "url")
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set(VERSION_CLIENT_URL ${VERSION_CLIENT_URL} PARENT_SCOPE)
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set(VERSION_SERVER_URL ${VERSION_SERVER_URL} PARENT_SCOPE)
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endfunction()
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function(download_mc_server url path)
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if(NOT EXISTS ${path})
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message(STATUS "Downloading server.jar...")
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file(DOWNLOAD
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${url} # URL
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${path} # Path
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STATUS DOWNLOAD_STATUS # Status code
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SHOW_PROGRESS
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)
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# Separate the returned status code, and error message
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list(GET DOWNLOAD_STATUS 0 STATUS_CODE)
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list(GET DOWNLOAD_STATUS 1 ERROR_MESSAGE)
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if(NOT ${STATUS_CODE} EQUAL 0)
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# Exit CMake if the download failed, printing the error message.
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message(FATAL_ERROR "Error occurred during server.jar download: ${ERROR_MESSAGE}")
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endif()
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endif()
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endfunction()
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