cmake_minimum_required(VERSION 3.25)
project(MassSprings)

set(CMAKE_CXX_STANDARD 26)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

# set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wfloat-equal -Wundef -Wshadow -Wpointer-arith -Wcast-align -Wno-unused-parameter -Wunreachable-code")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -O2 -ggdb") # -fsanitize=address already fails on InitWindow(), -fsanitize=undefined, -fsanitize=leak
set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -Ofast -march=native")

message("-- CMAKE_C_FLAGS: ${CMAKE_C_FLAGS}")
message("-- CMAKE_C_FLAGS_DEBUG: ${CMAKE_C_FLAGS_DEBUG}")
message("-- CMAKE_C_FLAGS_RELEASE: ${CMAKE_C_FLAGS_RELEASE}")
message("-- CMAKE_CXX_FLAGS: ${CMAKE_CXX_FLAGS}")
message("-- CMAKE_CXX_FLAGS_DEBUG: ${CMAKE_CXX_FLAGS_DEBUG}")
message("-- CMAKE_CXX_FLAGS_RELEASE: ${CMAKE_CXX_FLAGS_RELEASE}")

find_package(raylib REQUIRED)
find_package(Backward REQUIRED)

# Headers + Sources
include_directories(include)
set(SOURCES
    src/main.cpp
    src/camera.cpp
    src/renderer.cpp
    src/octree.cpp
    src/physics.cpp
    src/puzzle.cpp
    src/state.cpp
    src/input.cpp
    src/tracy.cpp
    src/backward.cpp
    src/distance.cpp
    src/gui.cpp
)

# Main target
add_executable(masssprings ${SOURCES})
target_include_directories(masssprings PUBLIC ${RAYLIB_CPP_INCLUDE_DIR})
target_link_libraries(masssprings PUBLIC raylib Backward::Backward)

# Tracy target
if(USE_TRACY)
    include(FetchContent)
    FetchContent_Declare(tracy
        GIT_REPOSITORY https://github.com/wolfpld/tracy.git
        GIT_TAG v0.11.1
        GIT_SHALLOW TRUE
        GIT_PROGRESS TRUE
    )
    FetchContent_MakeAvailable(tracy)
    option(TRACY_ENABLE "" ON)
    option(TRACY_ON_DEMAND "" ON)

    add_executable(masssprings_tracy ${SOURCES})
    target_include_directories(masssprings_tracy PUBLIC ${RAYLIB_CPP_INCLUDE_DIR})
    target_compile_definitions(masssprings_tracy PRIVATE TRACY)
    target_link_libraries(masssprings_tracy PUBLIC raylib Backward::Backward TracyClient)
endif()

# LTO
include(CheckIPOSupported)
check_ipo_supported(RESULT supported OUTPUT error)
if(supported)
    message(STATUS "IPO / LTO enabled")
    set_property(TARGET masssprings PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE)
    if(USE_TRACY)
        set_property(TARGET masssprings_tracy PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE)
    endif()
else()
    message(STATUS "IPO / LTO not supported: <${error}>")
endif()