CMakeLists.txt

cmake_minimum_required(VERSION 3.19)
# Copyright 2021 the libballoons authors
# 
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# 
#     http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Update this as you add new source files.
set(SRC
    src/moddef.c
    src/obj/hld/enemy.c
    src/obj/mod/balloonbase.c
    src/obj/mod/ballooncarcass.c
    src/obj/mod/balloondying.c
    src/obj/mod/ballooninflated.c
    src/obj/mod/ballooninflatedhitmask.c
    src/obj/mod/ballooninflating.c
    src/object.c
    src/option.c
    src/pseudoevent.c
    src/sprite.c
)

# Read project metadata from ModInfo.json.
file(READ "${CMAKE_CURRENT_SOURCE_DIR}/ModInfo.json" MOD_INFO)
string(JSON MOD_NAME
    GET ${MOD_INFO} name
)
string(JSON MOD_VERSION
    GET ${MOD_INFO} version
)
string(JSON MOD_DESCRIPTION
    GET ${MOD_INFO} description
)

# Define project.
project(${MOD_NAME}
    VERSION ${MOD_VERSION}
    DESCRIPTION ${MOD_DESCRIPTION}
    LANGUAGES C
)

# Set cmake defaults.
set(CMAKE_EXPORT_COMPILE_COMMANDS TRUE)
if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
    set(CMAKE_INSTALL_PREFIX "lib${MOD_NAME}-${MOD_VERSION}"
        CACHE PATH "..." FORCE
    )
endif()

# Include CPack.
set(CPACK_GENERATOR "TXZ")
set(CPACK_PACKAGE_FILE_NAME "lib${MOD_NAME}-${MOD_VERSION}")
include(CPack)

# Include GenerateExportHeader.
include(GenerateExportHeader)

# Include AERMRE.
set(AERMRE_SCRIPT_REL "aer/mre/lib/cmake/AERMRETargets.cmake")
include("$ENV{AER_GAMEDIR}/${AERMRE_SCRIPT_REL}")

# Add mod shared library target.
add_library(${MOD_NAME} SHARED ${SRC})
generate_export_header(${MOD_NAME}
    BASE_NAME MOD
    EXPORT_FILE_NAME include/export.h
)
set_target_properties(${MOD_NAME} PROPERTIES
    C_VISIBILITY_PRESET hidden
    CMAKE_VISIBILITY_INLINES_HIDDEN TRUE
)
target_include_directories(${MOD_NAME}
    PRIVATE include "${CMAKE_CURRENT_BINARY_DIR}/include"
)
target_compile_options(${MOD_NAME}
    PRIVATE -m32 -Wall -Wextra -Werror -Wfatal-errors
)
target_link_options(${MOD_NAME}
    PRIVATE -m32 -rdynamic
)
target_link_libraries(${MOD_NAME}
    PRIVATE AERMRE::aermre
)

# Add installation target.
install(TARGETS
    ${MOD_NAME} LIBRARY)
install(FILES
    "${CMAKE_CURRENT_SOURCE_DIR}/ModInfo.json"
    DESTINATION "."
)
if (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.txt")
    install(FILES
        "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.txt"
        DESTINATION "."
    )
endif()
if (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/assets")
    install(DIRECTORY
        "${CMAKE_CURRENT_SOURCE_DIR}/assets"
        DESTINATION "."
    )
endif()
if (EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/ACKNOWLEGMENTS")
    install(DIRECTORY
        "${CMAKE_CURRENT_SOURCE_DIR}/ACKNOWLEGMENTS"
        DESTINATION "."
    )
endif()