cmake_minimum_required(VERSION 3.15)

if(MSVC AND POLICY CMP0141)
    cmake_policy(SET CMP0141 NEW)
endif()

project(XCNewEditor VERSION 0.1 LANGUAGES CXX)

set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)

add_definitions(-DUNICODE -D_UNICODE)

set(XCENGINE_ROOT_DIR "")
if(EXISTS "${CMAKE_SOURCE_DIR}/engine/CMakeLists.txt")
    set(XCENGINE_ROOT_DIR "${CMAKE_SOURCE_DIR}")
elseif(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/../engine/CMakeLists.txt")
    set(XCENGINE_ROOT_DIR "${CMAKE_CURRENT_SOURCE_DIR}/..")
else()
    message(FATAL_ERROR "Unable to locate XCEngine root directory from new_editor.")
endif()

if(NOT TARGET XCEngine)
    add_subdirectory(${XCENGINE_ROOT_DIR}/engine ${CMAKE_CURRENT_BINARY_DIR}/engine_dependency)
endif()

set(IMGUI_SOURCE_DIR "${CMAKE_BINARY_DIR}/_deps/imgui-src")
if(NOT EXISTS "${IMGUI_SOURCE_DIR}/imgui.cpp")
    include(FetchContent)
    FetchContent_Declare(
        imgui_new_editor
        GIT_REPOSITORY https://gitee.com/mirrors/imgui.git
        GIT_TAG docking
        GIT_SHALLOW TRUE
    )
    FetchContent_MakeAvailable(imgui_new_editor)
    set(IMGUI_SOURCE_DIR "${imgui_new_editor_SOURCE_DIR}")
endif()

if(NOT EXISTS "${IMGUI_SOURCE_DIR}/imgui.cpp")
    message(FATAL_ERROR "ImGui source was not found at ${IMGUI_SOURCE_DIR}.")
endif()

set(NEW_EDITOR_SOURCES
    src/main.cpp
    src/Application.cpp
    src/ApplicationLegacyImGui.cpp
    src/panels/Panel.cpp
    src/panels/XCUIDemoPanel.cpp
    src/panels/XCUILayoutLabPanel.cpp
    src/Rendering/MainWindowBackdropPass.cpp
    src/Rendering/MainWindowNativeBackdropRenderer.cpp
    src/XCUIBackend/ImGuiXCUIInputAdapter.cpp
    src/XCUIBackend/LegacyImGuiHostInterop.cpp
    src/XCUIBackend/ImGuiHostCompositor.cpp
    src/XCUIBackend/NativeWindowUICompositor.cpp
    src/XCUIBackend/XCUIEditorFontSetup.cpp
    src/XCUIBackend/XCUIAssetDocumentSource.cpp
    src/XCUIBackend/XCUIEditorCommandRouter.cpp
    src/XCUIBackend/XCUIInputBridge.cpp
    src/XCUIBackend/XCUIShellChromeState.cpp
    src/XCUIBackend/XCUIRHICommandCompiler.cpp
    src/XCUIBackend/XCUIRHIRenderBackend.cpp
    src/XCUIBackend/XCUIStandaloneTextAtlasProvider.cpp
    src/XCUIBackend/XCUIDemoRuntime.cpp
    src/XCUIBackend/XCUILayoutLabRuntime.cpp
    ${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 ${NEW_EDITOR_SOURCES})

target_include_directories(${PROJECT_NAME} PRIVATE
    ${CMAKE_CURRENT_SOURCE_DIR}/src
    ${XCENGINE_ROOT_DIR}/engine/include
    ${XCENGINE_ROOT_DIR}/editor/src
    ${IMGUI_SOURCE_DIR}
    ${IMGUI_SOURCE_DIR}/backends
)

file(TO_CMAKE_PATH "${XCENGINE_ROOT_DIR}" XCENGINE_ROOT_DIR_CMAKE)

target_compile_definitions(${PROJECT_NAME} PRIVATE
    UNICODE
    _UNICODE
    XCENGINE_NEW_EDITOR_REPO_ROOT="${XCENGINE_ROOT_DIR_CMAKE}"
)
target_compile_options(${PROJECT_NAME} PRIVATE /utf-8)

if(MSVC)
    target_compile_options(${PROJECT_NAME} PRIVATE /FS)
    target_link_options(${PROJECT_NAME} PRIVATE
        $<$<CONFIG:Debug,RelWithDebInfo>:/INCREMENTAL:NO>)
    set_property(TARGET ${PROJECT_NAME} PROPERTY
        MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>DLL")
    set_target_properties(${PROJECT_NAME} PROPERTIES
        MSVC_DEBUG_INFORMATION_FORMAT "$<$<CONFIG:Debug,RelWithDebInfo>:Embedded>"
        COMPILE_PDB_NAME "XCNewEditor-compile"
        COMPILE_PDB_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/new_editor/compile-pdb"
        COMPILE_PDB_OUTPUT_DIRECTORY_DEBUG "${CMAKE_BINARY_DIR}/new_editor/compile-pdb/Debug"
        COMPILE_PDB_OUTPUT_DIRECTORY_RELEASE "${CMAKE_BINARY_DIR}/new_editor/compile-pdb/Release"
        COMPILE_PDB_OUTPUT_DIRECTORY_MINSIZEREL "${CMAKE_BINARY_DIR}/new_editor/compile-pdb/MinSizeRel"
        COMPILE_PDB_OUTPUT_DIRECTORY_RELWITHDEBINFO "${CMAKE_BINARY_DIR}/new_editor/compile-pdb/RelWithDebInfo"
        VS_GLOBAL_UseMultiToolTask "false"
    )
endif()

target_link_libraries(${PROJECT_NAME} PRIVATE
    XCEngine
    d3d12.lib
    dxgi.lib
    user32
    gdi32
)

set_target_properties(${PROJECT_NAME} PROPERTIES
    OUTPUT_NAME "XCNewEditor"
    RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/new_editor/bin"
    PDB_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/new_editor/bin"
    VS_DEBUGGER_WORKING_DIRECTORY "${XCENGINE_ROOT_DIR}"
)