BadQuanta
73 lines
2.6 KiB
CMake
73 lines
2.6 KiB
CMake
include(CMakeParseArguments)
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include(FetchContent)
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# Resolve hdk-assets for examples only.
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function(hdk_resolve_example_assets)
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set(_opts "")
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set(_one_value OUT_VAR FETCH_OPTION MIN_VERSION GIT_REPOSITORY GIT_TAG CONTEXT)
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cmake_parse_arguments(HDK_ASSETS "${_opts}" "${_one_value}" "" ${ARGN})
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if(NOT HDK_ASSETS_OUT_VAR)
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message(FATAL_ERROR "hdk_resolve_example_assets requires OUT_VAR")
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endif()
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set(_resolved_assets_dir "")
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set(_repo_assets_dir "${CMAKE_CURRENT_SOURCE_DIR}/../../assets")
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if(EXISTS "${_repo_assets_dir}/textures")
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set(_resolved_assets_dir "${_repo_assets_dir}")
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endif()
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if(NOT _resolved_assets_dir)
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if(HDK_ASSETS_MIN_VERSION)
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find_package(hdk_assets ${HDK_ASSETS_MIN_VERSION} QUIET CONFIG NAMES hdk-assets hdk_assets)
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else()
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find_package(hdk_assets QUIET CONFIG NAMES hdk-assets hdk_assets)
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endif()
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foreach(_candidate_var IN ITEMS HDK_ASSETS_SOURCE_DIR HDK_ASSETS_DIR hdk_assets_SOURCE_DIR hdk_assets_DIR)
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if(NOT _resolved_assets_dir AND DEFINED ${_candidate_var})
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set(_candidate_dir "${${_candidate_var}}")
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if(EXISTS "${_candidate_dir}/textures")
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set(_resolved_assets_dir "${_candidate_dir}")
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endif()
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endif()
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endforeach()
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if(NOT _resolved_assets_dir AND DEFINED hdk_assets_DIR)
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get_filename_component(_hdk_assets_prefix "${hdk_assets_DIR}" DIRECTORY)
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get_filename_component(_hdk_assets_prefix "${_hdk_assets_prefix}" DIRECTORY)
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get_filename_component(_hdk_assets_prefix "${_hdk_assets_prefix}" DIRECTORY)
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if(EXISTS "${_hdk_assets_prefix}/assets/textures")
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set(_resolved_assets_dir "${_hdk_assets_prefix}/assets")
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endif()
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endif()
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endif()
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if(NOT _resolved_assets_dir)
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if(NOT HDK_ASSETS_FETCH_OPTION)
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if(HDK_ASSETS_CONTEXT)
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message(FATAL_ERROR "No suitable hdk-assets source found for ${HDK_ASSETS_CONTEXT} and fetch fallback is disabled")
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else()
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message(FATAL_ERROR "No suitable hdk-assets source found and fetch fallback is disabled")
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endif()
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endif()
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if(NOT HDK_ASSETS_GIT_REPOSITORY)
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message(FATAL_ERROR "hdk_resolve_example_assets fallback requires GIT_REPOSITORY")
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endif()
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if(NOT HDK_ASSETS_GIT_TAG)
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message(FATAL_ERROR "hdk_resolve_example_assets fallback requires GIT_TAG")
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endif()
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FetchContent_Declare(
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hdk_assets
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GIT_REPOSITORY ${HDK_ASSETS_GIT_REPOSITORY}
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GIT_TAG ${HDK_ASSETS_GIT_TAG}
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)
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FetchContent_MakeAvailable(hdk_assets)
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set(_resolved_assets_dir "${hdk_assets_SOURCE_DIR}")
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endif()
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set(${HDK_ASSETS_OUT_VAR} "${_resolved_assets_dir}" PARENT_SCOPE)
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endfunction()
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