Fix for UWP build issues (#1421)

cmake/CppWinRT.props.in

@@ -1,4 +1,6 @@
 <Project>
+  <!-- CppWinRT.props for Axmol Universal Apps -->
+  <Import Project="@AX_TOP_SOLUTION_DIR@\packages\Microsoft.Windows.CppWinRT\build\native\Microsoft.Windows.CppWinRT.props" />
   <ItemGroup>
     <ClCompile Include="$(GeneratedFilesDir)module.g.cpp" />
   </ItemGroup>

cmake/Modules/AXBuildHelpers.cmake

@@ -474,18 +474,12 @@ set(AX_WASM_EXPORTS "${_AX_WASM_EXPORTS}" CACHE STRING "" FORCE)
 # stupid & pitfall: function not emcc not output .html
 macro (ax_setup_app_props app_name)
     if(WINRT)
-        get_target_property(app_vcxproj_dir ${APP_NAME} BINARY_DIR)
-        configure_file(
-            "${_AX_ROOT}/cmake/Directory.Build.targets.in"
-            "${app_vcxproj_dir}/Directory.Build.targets"
-            COPYONLY
-        )
         set_target_properties(
             ${APP_NAME}
             PROPERTIES
             # ----- C++/WinRT -----
             # VS_PACKAGE_REFERENCES "Microsoft.Windows.CppWinRT_${AX_CPPWINRT_VERISON}"
-            VS_PROJECT_IMPORT ${CMAKE_BINARY_DIR}/packages/Microsoft.Windows.CppWinRT/build/native/Microsoft.Windows.CppWinRT.props
+            VS_PROJECT_IMPORT "${CMAKE_BINARY_DIR}/CppWinRT.props"
             VS_GLOBAL_CppWinRTOptimized true
             VS_GLOBAL_CppWinRTRootNamespaceAutoMerge true
             VS_GLOBAL_CppWinRTGenerateWindowsMetadata true

core/CMakeLists.txt

@@ -340,6 +340,9 @@ if(WINDOWS)
     endif()
 
     if(WINDOWS_STORE)
+        file(TO_NATIVE_PATH ${CMAKE_BINARY_DIR} AX_TOP_SOLUTION_DIR)
+        configure_file(${_AX_ROOT}/cmake/CppWinRT.props.in ${CMAKE_BINARY_DIR}/CppWinRT.props @ONLY)
+       
         # intsall cppwinrt package for xaml apps
         exec_program(${NUGET_EXE}
                 ARGS install "Microsoft.Windows.CppWinRT" -Version ${AX_CPPWINRT_VERISON} -ExcludeVersion -OutputDirectory "\"${CMAKE_BINARY_DIR}/packages\"")