MSVC: Enable Edit & Continue in debug builds

.gitignore

@@ -161,6 +161,9 @@ ipch/
 # Visual Studio Trace Files
 *.e2e
 
+# Visual Studio Edit & Continue
+enc_temp_folder
+
 # TFS 2012 Local Workspace
 $tf/
 

CMake/functions/devilutionx_library.cmake

@@ -37,7 +37,13 @@ function(add_devilutionx_library NAME)
     target_link_libraries(${NAME} PUBLIC $<${DEVILUTIONX_STATIC_CXX_STDLIB_GENEX}:-static-libgcc;-static-libstdc++>)
   endif()
 
-  if(NOT CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
+  if(CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
+    if(CMAKE_BUILD_TYPE STREQUAL "Debug")
+      # This enables Edit & Continue support, see https://learn.microsoft.com/en-us/cpp/build/cmake-projects-in-visual-studio#edit-and-continue-for-cmake-projects
+      target_compile_options(${NAME} PUBLIC "/ZI")
+      target_link_options(${NAME} PUBLIC "/INCREMENTAL")
+    endif()
+  else()
     # Note: For Valgrind support.
     genex_for_option(DEBUG)
     target_compile_options(${NAME} PUBLIC $<${DEBUG_GENEX}:-fno-omit-frame-pointer>)