CMakeLists.txt

cmake_minimum_required(VERSION 3.15)
project(ParticleSimulation)

# Set C standard
set(CMAKE_C_STANDARD 11)
# Add C++ standard since ImGui is C++
set(CMAKE_CXX_STANDARD 11)

# Define source files
set(SOURCE_FILES src/main.c src/camera.c src/world.c src/grid.c src/shader.c src/particle_system.c src/ui.cpp src/hud.cpp)

# Add GLFW as a subdirectory (assuming GLFW is in external/glfw)
add_subdirectory(external/glfw)

# Add GLAD
add_library(glad external/glad/src/glad.c)
target_include_directories(glad PUBLIC external/glad/include)

# Add cglm as a subdirectory
add_subdirectory(external/cglm)

# Create ImGui library
add_library(imgui STATIC
    ${CMAKE_SOURCE_DIR}/external/imgui/imgui.cpp
    ${CMAKE_SOURCE_DIR}/external/imgui/imgui_demo.cpp
    ${CMAKE_SOURCE_DIR}/external/imgui/imgui_draw.cpp
    ${CMAKE_SOURCE_DIR}/external/imgui/imgui_tables.cpp
    ${CMAKE_SOURCE_DIR}/external/imgui/imgui_widgets.cpp
    ${CMAKE_SOURCE_DIR}/external/imgui/backends/imgui_impl_glfw.cpp
    ${CMAKE_SOURCE_DIR}/external/imgui/backends/imgui_impl_opengl3.cpp
)

target_include_directories(imgui PUBLIC
    ${CMAKE_SOURCE_DIR}/external/imgui
    ${CMAKE_SOURCE_DIR}/external/imgui/backends
    ${CMAKE_SOURCE_DIR}/external/glfw/include
)

# Link ImGui with GLFW
target_link_libraries(imgui PUBLIC glfw)

# Add executable and link libraries
add_executable(main ${SOURCE_FILES})
target_link_libraries(main glfw glad cglm imgui opengl32)

# Set the output directory for the executable to the project root
set_target_properties(main PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_SOURCE_DIR})

# Include directories
target_include_directories(main PRIVATE
    ${CMAKE_SOURCE_DIR}/include
    ${CMAKE_SOURCE_DIR}/external/imgui
    ${CMAKE_SOURCE_DIR}/external/imgui/backends
)