if (UNIX AND NOT APPLE)
    set(LINUX TRUE)
endif ()

if (WIN32 AND NOT MSVC)
    message(FATAL "MSVC restricted.")
endif ()

set(CMAKE_CONFIGURATION_TYPES "Debug;Release" CACHE STRING
        "Only do Release and Debug"
        FORCE
)

set(CMAKE_CXX_STANDARD 20)

if (LINUX)
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fPIC")
endif ()

set(CMAKE_STATIC_LIBRARY_PREFIX "")

set(SOURCESDK ${SOURCESDK_DIR}/${BRANCH})
set(SOURCESDK_LIB ${SOURCESDK}/lib)

add_definitions(-DMETA_IS_SOURCE2 -D_ITERATOR_DEBUG_LEVEL=0)

if (DEFINED ENV{GITHUB_SHA_SHORT})
    add_definitions(-DGITHUB_SHA="$ENV{GITHUB_SHA_SHORT}")
else ()
    add_definitions(-DGITHUB_SHA="Local")
endif ()

if (DEFINED ENV{SEMVER})
    add_definitions(-DSEMVER="$ENV{SEMVER}")
else ()
    add_definitions(-DSEMVER="Local")
endif ()

if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
    add_compile_definitions(_GLIBCXX_USE_CXX11_ABI=0)
endif ()

include_directories(
    ${CMAKE_SOURCE_DIR}
    ${CMAKE_SOURCE_DIR}/src
    ${CMAKE_SOURCE_DIR}/public
    ${SOURCESDK}
    ${SOURCESDK}/thirdparty/protobuf-3.21.8/src
    ${SOURCESDK}/common
    ${SOURCESDK}/game/shared
    ${SOURCESDK}/game/server
    ${SOURCESDK}/public
    ${SOURCESDK}/public/engine
    ${SOURCESDK}/public/mathlib
    ${SOURCESDK}/public/tier0
    ${SOURCESDK}/public/tier1
    ${SOURCESDK}/public/entity2
    ${SOURCESDK}/public/game/server
    ${SOURCESDK}/public/schemasystem
    ${METAMOD_DIR}/core
    ${METAMOD_DIR}/third_party/khook/include
    vendor/spdlog/include
    vendor/nlohmann
    vendor
)

include(${CMAKE_CURRENT_LIST_DIR}/metamod/configure_metamod.cmake)