cmake_minimum_required(VERSION 3.11)
project (univerxel VERSION 0.0.1)

option(PROFILING "Build with profiling" 0)
option(FIXED_WINDOW "Lock window size: Force floating on i3" 0)
set(SIMD_LEVEL "avx2" CACHE STRING "SIMD processor acceleration (sse2, sse4.1, avx2, avx512f)")
option(USE_FMA "Use fma" 1)

if(NOT CMAKE_BUILD_TYPE)
  set(CMAKE_BUILD_TYPE Release)
endif()

set(CMAKE_CXX_FLAGS "-Wall -Wextra")
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

find_program(CCACHE_FOUND ccache)
if(CCACHE_FOUND)
	set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
endif(CCACHE_FOUND)

add_subdirectory("include/glfw")
add_subdirectory("include/glm")
add_subdirectory("include/enet")
add_subdirectory("include/zstd")

add_compile_definitions(FIXED_WINDOW=${FIXED_WINDOW} HN_USE_FILESYSTEM=1)
if(PROFILING)
add_compile_definitions(TRACY_ENABLE=1)
endif(PROFILING)
if(SIMD_LEVEL EQUAL "avx2")
	add_compile_definitions(FN_COMPILE_AVX2=1)
elseif(SIMD_LEVEL EQUAL "avx512f")
	add_compile_definitions(FN_COMPILE_AVX512=1)
endif()
add_definitions(-m${SIMD_LEVEL})
if(USE_FMA)
	add_definitions(-mfma)
endif(USE_FMA)

file(GLOB_RECURSE CORE_SOURCES "src/core/*.cpp" "include/tracy/TracyClient.cpp")
set(CORE_HEADERS "include/toml++" "include/robin_hood" "include/libguarded" "include/tracy")
set(CORE_LIBS pthread dl glm::glm_static enet::enet_static zstd::zstd_static)

file(GLOB_RECURSE CLIENT_SOURCES "src/client/*.cpp" "include/imgui/*.cpp" "include/meshoptimizer/*.cpp" "include/gl3w/gl3w.c" "include/volk/volk.c")
set(CLIENT_HEADERS "include/imgui" "include/meshoptimizer" "include/gl3w" "include/volk")
set(CLIENT_LIBS glfw)

file(GLOB_RECURSE SERVER_SOURCES "src/server/*.cpp" "include/FastNoiseSIMD/*.cpp")
set(SERVER_HEADERS "include/FastNoiseSIMD")
set(SERVER_LINKED)

# All in one exec
add_executable(univerxel "src/main.cpp" ${CORE_SOURCES} ${CLIENT_SOURCES} ${SERVER_SOURCES})
target_compile_features(univerxel PUBLIC cxx_std_17)
target_link_libraries(univerxel ${CORE_LIBS} ${CLIENT_LIBS} ${SERVER_LIBS})
target_include_directories(univerxel PRIVATE ${CORE_HEADERS} ${CLIENT_HEADERS} ${SERVER_HEADERS})

# Standalone server
add_executable(univerxel-server EXCLUDE_FROM_ALL "src/server.cpp" ${CORE_SOURCES} ${SERVER_SOURCES})
target_compile_features(univerxel-server PUBLIC cxx_std_17)
target_link_libraries(univerxel-server ${CORE_LIBS} ${SERVER_LIBS})
target_include_directories(univerxel-server PRIVATE ${CORE_HEADERS} ${SERVER_HEADERS})

# Dumb client
add_executable(univerxel-client EXCLUDE_FROM_ALL "src/client.cpp" ${CORE_SOURCES} ${CLIENT_SOURCES})
target_compile_features(univerxel-client PUBLIC cxx_std_17)
target_link_libraries(univerxel-client ${CORE_LIBS} ${CLIENT_LIBS})
target_include_directories(univerxel-client PRIVATE ${CORE_HEADERS} ${CLIENT_HEADERS})

# Resource client files + default zstd.dict
file(COPY resource/content DESTINATION ${CMAKE_BINARY_DIR})

# Docs
add_custom_target(docs
    COMMAND doxygen ${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile
    WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
    COMMENT "Build doc."
)