CMakeLists.txt

cmake_minimum_required(VERSION 3.15)
project(FC3D CXX)

set(CMAKE_CXX_STANDARD 17)

file(GLOB_RECURSE SOURCES src/*.cpp)
file(GLOB_RECURSE HEADERS src/*.h)

if (EMSCRIPTEN)
    set(PLATFORM Web)
    set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
    set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
    set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE BOTH)
    set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)

    add_definitions(-DPLATFORM_WEB)
    add_definitions(-DUSE_WASM)

    file(COPY assets DESTINATION ${CMAKE_BINARY_DIR}/)
endif ()

if (${PLATFORM} MATCHES "Web")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Os -s USE_GLFW=3 -s ASSERTIONS=1 -s WASM=1 -s ASYNCIFY")
    # Since WASM is used, ALLOW_MEMORY_GROWTH has no extra overheads
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -s ALLOW_MEMORY_GROWTH=1 --no-heap-copy")
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} --shell-file ${CMAKE_SOURCE_DIR}/index.html")
    set(CMAKE_EXECUTABLE_SUFFIX ".html")

    # Remove the -rdynamic flag because otherwise emscripten
    # does not generate HTML+JS+WASM files, only a non-working
    # and fat HTML
    string(REPLACE "-rdynamic" "" CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "${CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS}")
endif ()

add_subdirectory(vendor/raylib)
add_subdirectory(vendor/lua)

set(SOL2_LUA_VERSION "5.4.4" CACHE STRING "The version of Lua used")
set(SOL2_BUILD_LUA FALSE CACHE BOOL "Always build Lua, do not search for it in the system")
add_subdirectory(vendor/sol2)

add_executable(${PROJECT_NAME} ${SOURCES} ${HEADERS})

target_include_directories(${PROJECT_NAME} PUBLIC SYSTEM vendor/raylib/src vendor/lua/ vendor/sol2/include/)
target_link_libraries(${PROJECT_NAME} raylib lua sol2)

if (${PLATFORM} MATCHES "Web")
    SET_TARGET_PROPERTIES(${PROJECT_NAME} PROPERTIES LINK_FLAGS "--embed-file assets/")
endif ()

# Checks if OSX and links appropriate frameworks (Only required on MacOS)
if (APPLE)
    target_link_libraries(${PROJECT_NAME} "-framework IOKit")
    target_link_libraries(${PROJECT_NAME} "-framework Cocoa")
    target_link_libraries(${PROJECT_NAME} "-framework OpenGL")
endif()