cmake_minimum_required(VERSION 3.1)
project(Graph)

list(APPEND CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake)

add_subdirectory(3rdparty)

include(cmake/BuildShaders.cmake)
include(cmake/CopyData.cmake)

set(CMAKE_CXX_STANDARD 17)

find_package(SDL2 REQUIRED)
find_package(Vulkan REQUIRED)
find_package(assimp REQUIRED)
find_package(glm REQUIRED)

if(CMAKE_BUILD_TYPE STREQUAL "Debug")
	add_definitions(-DDEBUG)
endif()
if(APPLE AND NOT TARGET SDL2::SDL2)
    add_library(SDL2::SDL2 UNKNOWN IMPORTED)
    set_target_properties(SDL2::SDL2 PROPERTIES
    IMPORTED_LOCATION "${SDL2_LIBDIR}/libSDL2.dylib"
    INTERFACE_INCLUDE_DIRECTORIES ${SDL2_INCLUDE_DIRS})
endif()

# workaround for linking dbus/glib ourselves
if(UNIX AND NOT APPLE)
    set_target_properties(SDL2::SDL2 PROPERTIES
        IMPORTED_LINK_INTERFACE_LIBRARIES_NOCONFIG "")
endif()

if(NOT TARGET assimp::assimp)
    add_library(assimp::assimp UNKNOWN IMPORTED)

find_library(ASSIMP_IMPORTED_PATH ${ASSIMP_LIBRARIES}
    PATHS
${ASSIMP_LIBRARY_DIRS})

    set_target_properties(assimp::assimp PROPERTIES
IMPORTED_LOCATION ${ASSIMP_IMPORTED_PATH})
    set_target_properties(assimp::assimp PROPERTIES
        INTERFACE_INCLUDE_DIRECTORIES ${ASSIMP_INCLUDE_DIRS})
endif()

set(ENGINE_SRC
    src/renderer.cpp
    src/worldpass.cpp
    src/postpass.cpp
    src/dofpass.cpp
    src/skypass.cpp
    src/shadowpass.cpp
    src/config.cpp
    src/stringutils.cpp
    src/animationsystem.cpp
    src/worldmanager.cpp
    src/assetmanager.cpp
    src/entityparser.cpp
    src/smaapass.cpp)

if(CMAKE_BUILD_TYPE STREQUAL "Debug")
    set(ENGINE_SRC
        ${ENGINE_SRC}
        src/imguipass.cpp)
endif()

add_library(Engine
    ${ENGINE_SRC})
target_compile_options(Engine
    PUBLIC
    -fno-exceptions)
target_link_libraries(Engine
    PUBLIC
    SDL2::SDL2
    Vulkan::Vulkan
    assimp::assimp
    nlohmann::json
    stb::stb
    SMAA::SMAA)

if(CMAKE_BUILD_TYPE STREQUAL "Debug")
    target_link_libraries(Engine
    PUBLIC
    imgui::imgui)
endif()

target_include_directories(Engine
    PUBLIC
    include
    PRIVATE
    ${GLM_INCLUDE_DIRS})

add_executable(Graph
    src/main.cpp)
target_link_libraries(Graph
    PRIVATE
    Engine)

add_shaders(Graph
    shaders/mesh.vert
    shaders/mesh.frag
    shaders/post.vert
    shaders/post.frag
    shaders/dof.vert
    shaders/dof.frag
    shaders/imgui.vert
    shaders/imgui.frag
    shaders/sky.vert
    shaders/sky.frag
    shaders/shadow.vert
    shaders/edge.vert
    shaders/edge.frag
    shaders/blend.vert
    shaders/blend.frag)

add_data(Graph
    data/suzanne.obj
    data/test.cim
    data/bokeh.png
    data/scene.obj
    data/tile.jpg
    data/graphics_presets.cfg
    data/test.world
    data/test.material
    data/empty.world
    data/player.obj
    data/sphere.obj
    data/matpreview.world
    data/basic.material
    data/maticon.png)

add_subdirectory(tools)