Weight Proximity: fix value overlap between Normalize and Invert VGroup.

The flags overlapped ever since normalize was added, so this requires
versioning to copy the flag value.

Differential Revision: https://developer.blender.org/D14165

source/blender/blenkernel/BKE_blender_version.h

@@ -39,7 +39,7 @@ extern "C" {
 
 /* Blender file format version. */
 #define BLENDER_FILE_VERSION BLENDER_VERSION
-#define BLENDER_FILE_SUBVERSION 6
+#define BLENDER_FILE_SUBVERSION 7
 
 /* Minimum Blender version that supports reading file written with the current
  * version. Older Blender versions will test this and show a warning if the file

source/blender/blenloader/intern/versioning_300.c

@@ -2549,6 +2549,20 @@ void blo_do_versions_300(FileData *fd, Library *UNUSED(lib), Main *bmain)
     }
   }
 
+  if (!MAIN_VERSION_ATLEAST(bmain, 301, 7)) {
+    /* Duplicate value for two flags that mistakenly had the same numeric value. */
+    LISTBASE_FOREACH (Object *, ob, &bmain->objects) {
+      LISTBASE_FOREACH (ModifierData *, md, &ob->modifiers) {
+        if (md->type == eModifierType_WeightVGProximity) {
+          WeightVGProximityModifierData *wpmd = (WeightVGProximityModifierData *)md;
+          if (wpmd->proximity_flags & MOD_WVG_PROXIMITY_INVERT_VGROUP_MASK) {
+            wpmd->proximity_flags |= MOD_WVG_PROXIMITY_WEIGHTS_NORMALIZE;
+          }
+        }
+      }
+    }
+  }
+
   /**
    * Versioning code until next subversion bump goes here.
    *

source/blender/makesdna/DNA_modifier_types.h

@@ -1708,7 +1708,7 @@ enum {
   MOD_WVG_PROXIMITY_GEOM_FACES = (1 << 2),
   MOD_WVG_PROXIMITY_INVERT_VGROUP_MASK = (1 << 3),
   MOD_WVG_PROXIMITY_INVERT_FALLOFF = (1 << 4),
-  MOD_WVG_PROXIMITY_WEIGHTS_NORMALIZE = (1 << 3),
+  MOD_WVG_PROXIMITY_WEIGHTS_NORMALIZE = (1 << 5),
 };
 
 /* Defines common to all WeightVG modifiers. */