cmake_minimum_required(VERSION 3.15)
project(XCEditor VERSION 1.0 LANGUAGES CXX)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

get_filename_component(XCENGINE_ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/.." ABSOLUTE)
set(XCENGINE_ENGINE_DIR "${XCENGINE_ROOT_DIR}/engine")
set(XCENGINE_ASSIMP_DLL "${XCENGINE_ENGINE_DIR}/third_party/assimp/bin/assimp-vc143-mt.dll")
set(XCENGINE_ASSIMP_LIB "${XCENGINE_ENGINE_DIR}/third_party/assimp/lib/assimp-vc143-mt.lib")

add_definitions(-DUNICODE -D_UNICODE)
add_definitions(-DIMGUI_ENABLE_DOCKING)

include(FetchContent)

FetchContent_Declare(
    imgui
    GIT_REPOSITORY https://gitee.com/mirrors/imgui.git
    GIT_TAG docking
    GIT_SHALLOW TRUE
)

FetchContent_MakeAvailable(imgui)

if(NOT TARGET XCEngine)
    set(XCENGINE_VULKAN_SDK_HINT "$ENV{VULKAN_SDK}")
    if(NOT EXISTS "${XCENGINE_VULKAN_SDK_HINT}/Lib/vulkan-1.lib")
        file(GLOB XCENGINE_VULKAN_SDK_DIRS "D:/VulkanSDK/*")
        if(XCENGINE_VULKAN_SDK_DIRS)
            list(SORT XCENGINE_VULKAN_SDK_DIRS COMPARE NATURAL ORDER DESCENDING)
            list(GET XCENGINE_VULKAN_SDK_DIRS 0 XCENGINE_VULKAN_SDK_HINT)
        endif()
    endif()

    if(EXISTS "${XCENGINE_VULKAN_SDK_HINT}/Lib/vulkan-1.lib")
        set(Vulkan_ROOT "${XCENGINE_VULKAN_SDK_HINT}")
        list(APPEND CMAKE_PREFIX_PATH "${XCENGINE_VULKAN_SDK_HINT}")
    endif()

    find_package(Vulkan REQUIRED)

    add_library(XCEngine STATIC IMPORTED GLOBAL)

    set_target_properties(XCEngine PROPERTIES
        IMPORTED_CONFIGURATIONS "Debug;Release;RelWithDebInfo;MinSizeRel"
        IMPORTED_LOCATION_DEBUG "${XCENGINE_ENGINE_DIR}/build/Debug/XCEngine.lib"
        IMPORTED_LOCATION_RELEASE "${XCENGINE_ENGINE_DIR}/build/Release/XCEngine.lib"
        IMPORTED_LOCATION_RELWITHDEBINFO "${XCENGINE_ENGINE_DIR}/build/Release/XCEngine.lib"
        IMPORTED_LOCATION_MINSIZEREL "${XCENGINE_ENGINE_DIR}/build/Release/XCEngine.lib"
        INTERFACE_INCLUDE_DIRECTORIES
            "${XCENGINE_ENGINE_DIR}/include;${XCENGINE_ENGINE_DIR}/include/XCEngine;${XCENGINE_ENGINE_DIR}/src;${XCENGINE_ENGINE_DIR}/third_party;${XCENGINE_ENGINE_DIR}/third_party/GLAD/include;${XCENGINE_ENGINE_DIR}/third_party/stb;${XCENGINE_ENGINE_DIR}/third_party/assimp/include"
        INTERFACE_LINK_LIBRARIES
            "${XCENGINE_ASSIMP_LIB};opengl32;Vulkan::Vulkan")
endif()

set(IMGUI_SOURCES
    ${imgui_SOURCE_DIR}/imgui.cpp
    ${imgui_SOURCE_DIR}/imgui_demo.cpp
    ${imgui_SOURCE_DIR}/imgui_draw.cpp
    ${imgui_SOURCE_DIR}/imgui_tables.cpp
    ${imgui_SOURCE_DIR}/imgui_widgets.cpp
    ${imgui_SOURCE_DIR}/backends/imgui_impl_win32.cpp
    ${imgui_SOURCE_DIR}/backends/imgui_impl_dx12.cpp
)

add_executable(${PROJECT_NAME} WIN32
    src/EditorApp.rc
    src/main.cpp
    src/Application.cpp
    src/Theme.cpp
    src/Core/UndoManager.cpp
    src/ComponentEditors/ComponentEditorRegistry.cpp
    src/Managers/SceneManager.cpp
    src/Managers/ProjectManager.cpp
    src/Core/EditorConsoleSink.cpp
    src/panels/Panel.cpp
    src/panels/MenuBar.cpp
    src/panels/HierarchyPanel.cpp
    src/panels/SceneViewPanel.cpp
    src/Viewport/SceneViewportPicker.cpp
    src/Viewport/SceneViewportMoveGizmo.cpp
    src/Viewport/SceneViewportGrid.cpp
    src/Viewport/SceneViewportInfiniteGridPass.cpp
    src/Viewport/SceneViewportSelectionMaskPass.cpp
    src/Viewport/SceneViewportSelectionOutlinePass.cpp
    src/Viewport/SceneViewportOrientationGizmo.cpp
    src/Viewport/SceneViewportOverlayRenderer.cpp
    src/panels/GameViewPanel.cpp
    src/panels/InspectorPanel.cpp
    src/panels/ConsolePanel.cpp
    src/panels/ProjectPanel.cpp
    src/UI/BuiltInIcons.cpp
    src/Layers/EditorLayer.cpp
    ${IMGUI_SOURCES}
)

target_include_directories(${PROJECT_NAME} PRIVATE 
    ${CMAKE_CURRENT_SOURCE_DIR}/src
    ${CMAKE_CURRENT_SOURCE_DIR}/src/Viewport
    ${imgui_SOURCE_DIR}
    ${imgui_SOURCE_DIR}/backends
)

target_compile_definitions(${PROJECT_NAME} PRIVATE UNICODE _UNICODE)
target_compile_options(${PROJECT_NAME} PRIVATE /utf-8)

if(MSVC)
    set_property(TARGET ${PROJECT_NAME} PROPERTY
        MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>DLL")
endif()

target_link_libraries(${PROJECT_NAME} PRIVATE
    XCEngine
    d3d12.lib
    Dbghelp.lib
    dxgi.lib
    d3dcompiler.lib
    Ole32.lib
    Shell32.lib
    Uuid.lib
)

set_target_properties(${PROJECT_NAME} PROPERTIES
    OUTPUT_NAME "XCEngine"
    RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/bin"
)

add_custom_command(TARGET ${PROJECT_NAME} POST_BUILD
    COMMAND ${CMAKE_COMMAND} -E copy_if_different
        ${XCENGINE_ASSIMP_DLL}
        $<TARGET_FILE_DIR:${PROJECT_NAME}>/assimp-vc143-mt.dll
)