cmake_minimum_required(VERSION 3.16)
project(VRModelViewer VERSION 0.1.0 LANGUAGES CXX)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)

if(NOT CMAKE_BUILD_TYPE)
  set(CMAKE_BUILD_TYPE Debug)
endif()

find_package(OpenSceneGraph REQUIRED COMPONENTS
  osgDB osgGA osgUtil osgViewer osgText osgSim osgAnimation)
find_package(assimp REQUIRED)
find_package(OpenGL REQUIRED)
find_package(PkgConfig REQUIRED)
pkg_check_modules(IMGUI REQUIRED imgui)

set(SOURCES
  src/main.cpp
  src/Application.cpp
  src/ModelLoader.cpp
  src/MorphManager.cpp
  src/ImGuiLayer.cpp
  src/SceneBuilder.cpp
  src/OrbitManipulator.cpp
  src/ShaderManager.cpp
  src/AppConfig.cpp
  src/SkeletonLoader.cpp
  src/PoseManager.cpp
  src/BoneSelector.cpp
)

add_executable(${PROJECT_NAME} ${SOURCES})

target_include_directories(${PROJECT_NAME} PRIVATE
  ${CMAKE_SOURCE_DIR}/include
  ${OPENSCENEGRAPH_INCLUDE_DIRS}
  ${ASSIMP_INCLUDE_DIRS}
  ${IMGUI_INCLUDE_DIRS}
)

target_link_libraries(${PROJECT_NAME} PRIVATE
  ${OPENSCENEGRAPH_LIBRARIES}
  ${ASSIMP_LIBRARIES}
  ${IMGUI_LIBRARIES}
  OpenGL::GL
)

target_compile_options(${PROJECT_NAME} PRIVATE
  $<$<CXX_COMPILER_ID:GNU,Clang>:-Wall -Wextra -Wpedantic>
  ${IMGUI_CFLAGS_OTHER}
)

add_custom_target(copy_assets ALL
  COMMAND ${CMAKE_COMMAND} -E copy_directory
    ${CMAKE_SOURCE_DIR}/assets ${CMAKE_BINARY_DIR}/assets
  COMMENT "Copying assets to build directory"
)
add_dependencies(${PROJECT_NAME} copy_assets)