YourWishesandClaude Sonnet 5.5
cad41e456b
Asset directory with CMake add_asset (extension dispatched), plain file asset access, resource/resource manager with async load thread and text loader, URI utilities, mesh format helpers, generated color header, and example game hooks wired through the engine. Co-Authored-By: Claude Sonnet 5.5 <[email protected]>
66 lines
2.7 KiB
CMake
66 lines
2.7 KiB
CMake
# Copyright (c) 2026 Dominic Masters
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#
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# This software is released under the MIT License.
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# https://opensource.org/licenses/MIT
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# Asset building. Include this from the root CMakeLists.txt.
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#
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# Assets are registered with add_asset() and built by dusk_assets_finalize().
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# Each asset is dispatched on its file extension to a handler function named
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# dusk_asset_<extension> (e.g. dusk_asset_obj), defined in its own file in this
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# directory. Extensions without a handler fall back to a plain copy.
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include(${CMAKE_CURRENT_LIST_DIR}/copy.cmake)
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include(${CMAKE_CURRENT_LIST_DIR}/obj.cmake)
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# Registers an asset to be built into the project. The path is relative to the
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# calling CMakeLists.txt, and is kept relative to the root assets directory in
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# the output, so assets/models/a.obj ends up at <build>/assets/models/a.obj.
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#
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# This only records the asset. The build rules are created by
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# dusk_assets_finalize() from the root CMakeLists.txt, because a custom command
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# output can only be used by targets in the directory it was defined in.
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function(add_asset ASSET_PATH)
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set(ASSET_SOURCE "${CMAKE_CURRENT_SOURCE_DIR}/${ASSET_PATH}")
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if(NOT EXISTS "${ASSET_SOURCE}")
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message(FATAL_ERROR "add_asset: ${ASSET_SOURCE} does not exist")
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endif()
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set_property(GLOBAL APPEND PROPERTY DUSK_ASSET_SOURCES "${ASSET_SOURCE}")
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endfunction()
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# Determines the lowercase extension of an asset, without the leading dot.
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function(dusk_asset_extension ASSET_SOURCE OUT_VAR)
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get_filename_component(ASSET_EXT "${ASSET_SOURCE}" LAST_EXT)
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string(TOLOWER "${ASSET_EXT}" ASSET_EXT)
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string(REGEX REPLACE "^\\." "" ASSET_EXT "${ASSET_EXT}")
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set(${OUT_VAR} "${ASSET_EXT}" PARENT_SCOPE)
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endfunction()
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# Creates the TARGET_NAME target, which builds every asset registered with
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# add_asset(). Call once from the root CMakeLists.txt after adding the assets.
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function(dusk_assets_finalize TARGET_NAME)
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get_property(ASSET_SOURCES GLOBAL PROPERTY DUSK_ASSET_SOURCES)
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set(ASSET_OUTPUTS "")
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foreach(ASSET_SOURCE IN LISTS ASSET_SOURCES)
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file(RELATIVE_PATH ASSET_RELATIVE "${DUSK_ASSETS_DIR}" "${ASSET_SOURCE}")
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dusk_asset_extension("${ASSET_SOURCE}" ASSET_EXT)
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# Dispatch on the extension, falling back to a plain copy.
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set(ASSET_OUTPUT "")
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if(COMMAND dusk_asset_${ASSET_EXT})
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cmake_language(CALL dusk_asset_${ASSET_EXT}
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"${ASSET_SOURCE}" "${ASSET_RELATIVE}" ASSET_OUTPUT
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)
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else()
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message(STATUS "Asset ${ASSET_RELATIVE}: no handler for '.${ASSET_EXT}', copying")
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dusk_asset_copy("${ASSET_SOURCE}" "${ASSET_RELATIVE}" ASSET_OUTPUT)
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endif()
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list(APPEND ASSET_OUTPUTS "${ASSET_OUTPUT}")
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endforeach()
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add_custom_target(${TARGET_NAME} ALL DEPENDS ${ASSET_OUTPUTS})
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endfunction()
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