mirror of
https://github.com/TwilitRealm/dusklight
synced 2026-08-08 02:00:17 -04:00
Mod SDK: Allow building mods with no sources (#2195)
This commit is contained in:
jdflyer
+86
-73
@@ -54,79 +54,84 @@ function(add_mod target_name)
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message(FATAL_ERROR "add_mod: MOD_JSON does not exist: ${_mod_json}")
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endif ()
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add_library(${target_name} SHARED ${ARG_SOURCES})
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_mod_lib_name(_lib_name)
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set_target_properties(${target_name} PROPERTIES
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PREFIX ""
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C_VISIBILITY_PRESET hidden
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CXX_VISIBILITY_PRESET hidden
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VISIBILITY_INLINES_HIDDEN ON
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WINDOWS_EXPORT_ALL_SYMBOLS OFF)
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target_compile_features(${target_name} PRIVATE cxx_std_20)
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target_link_libraries(${target_name} PRIVATE dusklight_game_headers)
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set(_has_lib FALSE)
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set(_lib_name "")
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if (ARG_SOURCES)
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set(_has_lib TRUE)
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add_library(${target_name} SHARED ${ARG_SOURCES})
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_mod_lib_name(_lib_name)
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set_target_properties(${target_name} PROPERTIES
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PREFIX ""
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C_VISIBILITY_PRESET hidden
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CXX_VISIBILITY_PRESET hidden
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VISIBILITY_INLINES_HIDDEN ON
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WINDOWS_EXPORT_ALL_SYMBOLS OFF)
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target_compile_features(${target_name} PRIVATE cxx_std_20)
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target_link_libraries(${target_name} PRIVATE dusklight_game_headers)
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if (NOT TARGET dusklight)
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# Apply global compile options for out-of-tree mod builds
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if (CMAKE_SYSTEM_NAME STREQUAL Linux)
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target_compile_options(${target_name} PRIVATE
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-Wno-multichar -Wno-trigraphs -Wno-deprecated-declarations)
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elseif (APPLE)
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target_compile_options(${target_name} PRIVATE
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-Wno-declaration-after-statement -Wno-non-pod-varargs)
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elseif (MSVC)
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target_compile_options(${target_name} PRIVATE
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"$<$<COMPILE_LANGUAGE:C,CXX>:/bigobj>"
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"$<$<COMPILE_LANGUAGE:C,CXX>:/utf-8>")
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endif ()
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# Use signed char on ARM to match the original game (and x86)
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string(TOLOWER "${CMAKE_SYSTEM_PROCESSOR}" _mod_arch)
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if (_mod_arch MATCHES "^(arm|aarch64)" AND CMAKE_CXX_COMPILER_FRONTEND_VARIANT STREQUAL "GNU")
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target_compile_options(${target_name} PRIVATE -fsigned-char)
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endif ()
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endif ()
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if (APPLE)
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# Game symbols resolve against the host executable at dlopen time.
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target_link_options(${target_name} PRIVATE -undefined dynamic_lookup)
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elseif (ANDROID)
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if (TARGET dusklight)
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target_link_libraries(${target_name} PRIVATE dusklight)
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elseif (DUSK_GAME_SOLIB)
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target_link_libraries(${target_name} PRIVATE "${DUSK_GAME_SOLIB}")
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else ()
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message(FATAL_ERROR "add_mod: DUSK_GAME_SOLIB is not set (libmain.so)")
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endif ()
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elseif (UNIX)
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target_link_options(${target_name} PRIVATE -Wl,--allow-shlib-undefined)
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elseif (WIN32)
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# Link against the generated import library (game ABI surface). Function calls
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# resolve through import thunks. Data is toolchain dependent:
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# - clang-cl: lld's mingw mode auto-imports data references, fixed up at load by
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# the mod SDK's pseudo-relocation runtime (pseudo_reloc.cpp).
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# - cl (MSVC): only DUSK_GAME_DATA-annotated data is reachable. Un-annotated
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# references fail to link.
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if (NOT DUSK_GAME_IMPLIB)
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message(FATAL_ERROR "add_mod: DUSK_GAME_IMPLIB is not set.")
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endif ()
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target_link_libraries(${target_name} PRIVATE "${DUSK_GAME_IMPLIB}")
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set_target_properties(${target_name} PROPERTIES MSVC_RUNTIME_LIBRARY "MultiThreadedDLL")
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target_compile_definitions(${target_name} PRIVATE _ITERATOR_DEBUG_LEVEL=0)
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if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
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target_compile_options(${target_name} PRIVATE "$<$<COMPILE_LANGUAGE:C,CXX>:/clang:-mcmodel=large>")
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target_sources(${target_name} PRIVATE "${CMAKE_CURRENT_FUNCTION_LIST_DIR}/../sdk/pseudo_reloc.cpp")
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# lld mingw mode rewrites /DEFAULTLIB directives to -l style and skips %LIB%, so
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# the CRT libraries and search paths are spelled out explicitly.
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target_link_options(${target_name} PRIVATE -lldmingw /nodefaultlib /INCREMENTAL:NO)
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target_link_libraries(${target_name} PRIVATE
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msvcrt.lib msvcprt.lib vcruntime.lib ucrt.lib
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oldnames.lib uuid.lib kernel32.lib user32.lib)
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set(_lib_dirs "$ENV{LIB}")
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if ("${_lib_dirs}" STREQUAL "")
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message(FATAL_ERROR "add_mod: %LIB% is empty; configure from a VS dev shell")
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if (NOT TARGET dusklight)
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# Apply global compile options for out-of-tree mod builds
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if (CMAKE_SYSTEM_NAME STREQUAL Linux)
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target_compile_options(${target_name} PRIVATE
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-Wno-multichar -Wno-trigraphs -Wno-deprecated-declarations)
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elseif (APPLE)
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target_compile_options(${target_name} PRIVATE
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-Wno-declaration-after-statement -Wno-non-pod-varargs)
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elseif (MSVC)
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target_compile_options(${target_name} PRIVATE
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"$<$<COMPILE_LANGUAGE:C,CXX>:/bigobj>"
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"$<$<COMPILE_LANGUAGE:C,CXX>:/utf-8>")
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endif ()
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# Use signed char on ARM to match the original game (and x86)
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string(TOLOWER "${CMAKE_SYSTEM_PROCESSOR}" _mod_arch)
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if (_mod_arch MATCHES "^(arm|aarch64)" AND CMAKE_CXX_COMPILER_FRONTEND_VARIANT STREQUAL "GNU")
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target_compile_options(${target_name} PRIVATE -fsigned-char)
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endif ()
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endif ()
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if (APPLE)
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# Game symbols resolve against the host executable at dlopen time.
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target_link_options(${target_name} PRIVATE -undefined dynamic_lookup)
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elseif (ANDROID)
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if (TARGET dusklight)
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target_link_libraries(${target_name} PRIVATE dusklight)
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elseif (DUSK_GAME_SOLIB)
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target_link_libraries(${target_name} PRIVATE "${DUSK_GAME_SOLIB}")
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else ()
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message(FATAL_ERROR "add_mod: DUSK_GAME_SOLIB is not set (libmain.so)")
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endif ()
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elseif (UNIX)
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target_link_options(${target_name} PRIVATE -Wl,--allow-shlib-undefined)
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elseif (WIN32)
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# Link against the generated import library (game ABI surface). Function calls
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# resolve through import thunks. Data is toolchain dependent:
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# - clang-cl: lld's mingw mode auto-imports data references, fixed up at load by
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# the mod SDK's pseudo-relocation runtime (pseudo_reloc.cpp).
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# - cl (MSVC): only DUSK_GAME_DATA-annotated data is reachable. Un-annotated
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# references fail to link.
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if (NOT DUSK_GAME_IMPLIB)
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message(FATAL_ERROR "add_mod: DUSK_GAME_IMPLIB is not set.")
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endif ()
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target_link_libraries(${target_name} PRIVATE "${DUSK_GAME_IMPLIB}")
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set_target_properties(${target_name} PROPERTIES MSVC_RUNTIME_LIBRARY "MultiThreadedDLL")
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target_compile_definitions(${target_name} PRIVATE _ITERATOR_DEBUG_LEVEL=0)
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if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
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target_compile_options(${target_name} PRIVATE "$<$<COMPILE_LANGUAGE:C,CXX>:/clang:-mcmodel=large>")
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target_sources(${target_name} PRIVATE "${CMAKE_CURRENT_FUNCTION_LIST_DIR}/../sdk/pseudo_reloc.cpp")
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# lld mingw mode rewrites /DEFAULTLIB directives to -l style and skips %LIB%, so
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# the CRT libraries and search paths are spelled out explicitly.
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target_link_options(${target_name} PRIVATE -lldmingw /nodefaultlib /INCREMENTAL:NO)
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target_link_libraries(${target_name} PRIVATE
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msvcrt.lib msvcprt.lib vcruntime.lib ucrt.lib
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oldnames.lib uuid.lib kernel32.lib user32.lib)
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set(_lib_dirs "$ENV{LIB}")
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if ("${_lib_dirs}" STREQUAL "")
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message(FATAL_ERROR "add_mod: %LIB% is empty; configure from a VS dev shell")
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endif ()
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foreach (_libdir IN LISTS _lib_dirs)
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target_link_options(${target_name} PRIVATE "/libpath:${_libdir}")
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endforeach ()
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endif ()
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foreach (_libdir IN LISTS _lib_dirs)
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target_link_options(${target_name} PRIVATE "/libpath:${_libdir}")
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endforeach ()
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endif ()
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endif ()
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@@ -141,6 +146,14 @@ function(add_mod target_name)
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set(_package_deps "${_mod_json}")
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set(_package_inputs "${_mod_json}")
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set(_extra_cmds "")
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set(_lib_copy_cmd "")
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set(_target_depend "")
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if (_has_lib)
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list(APPEND _zip_args "${_lib_name}")
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set(_lib_copy_cmd COMMAND ${CMAKE_COMMAND} -E copy_if_different
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"$<TARGET_FILE:${target_name}>" "${_stage}/${_lib_name}")
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set(_target_depend ${target_name})
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endif ()
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if (ARG_RES_DIR)
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_mod_resolve_source_path(_res_dir "${ARG_RES_DIR}")
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_mod_collect_assets(_res_deps "${_res_dir}")
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@@ -194,12 +207,12 @@ function(add_mod target_name)
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add_custom_command(OUTPUT "${_out}"
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COMMAND ${CMAKE_COMMAND} -E rm -rf "${_stage}"
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COMMAND ${CMAKE_COMMAND} -E make_directory "${_stage}" "${_output_dir}"
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COMMAND ${CMAKE_COMMAND} -E copy_if_different "$<TARGET_FILE:${target_name}>" "${_stage}/${_lib_name}"
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${_lib_copy_cmd}
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COMMAND ${CMAKE_COMMAND} -E copy_if_different "${_mod_json}" "${_stage}/mod.json"
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${_extra_cmds}
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COMMAND ${CMAKE_COMMAND} -E chdir "${_stage}" ${CMAKE_COMMAND} -E tar cvf "${_out}" --format=zip ${_zip_args}
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${_bundle_cmds}
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DEPENDS ${target_name} ${_package_deps} "${_package_inputs_file}"
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DEPENDS ${_target_depend} ${_package_deps} "${_package_inputs_file}"
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COMMENT "Packaging ${target_name} -> ${_out}"
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COMMAND_EXPAND_LISTS
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VERBATIM
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