Sculpt: add versioning for Auto-masking cavity factor default

Also remove automasking_cavity_factor default from RNA for brushes.
Data-blocks set their defaults via `DNA_brush_defaults.h`

Continuation from previous commit and rBdb40b6

Thanks to Dalai for the help!

3 files changed, 8 insertions, 2 deletions

diff --git a/source/blender/blenkernel/BKE_blender_version.h b/source/blender/blenkernel/BKE_blender_version.h
index 3c8f7d758b6..96df8f7a443 100644
--- a/source/blender/blenkernel/BKE_blender_version.h
+++ b/source/blender/blenkernel/BKE_blender_version.h
@@ -25,7 +25,7 @@ extern "C" {
 
 /* Blender file format version. */
 #define BLENDER_FILE_VERSION BLENDER_VERSION
-#define BLENDER_FILE_SUBVERSION 3
+#define BLENDER_FILE_SUBVERSION 4
 
 /* 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
diff --git a/source/blender/blenloader/intern/versioning_300.cc b/source/blender/blenloader/intern/versioning_300.cc
index 5328107e1f2..e2b98b2283f 100644
--- a/source/blender/blenloader/intern/versioning_300.cc
+++ b/source/blender/blenloader/intern/versioning_300.cc
@@ -3623,6 +3623,13 @@ void blo_do_versions_300(FileData *fd, Library * /*lib*/, Main *bmain)
     }
   }
 
+  if (!MAIN_VERSION_ATLEAST(bmain, 304, 4)) {
+    /* Update brush sculpt settings. */
+    LISTBASE_FOREACH (Brush *, brush, &bmain->brushes) {
+      brush->automasking_cavity_factor = 1.0f;
+    }
+  }
+
   /**
    * Versioning code until next subversion bump goes here.
    *
diff --git a/source/blender/makesrna/intern/rna_brush.c b/source/blender/makesrna/intern/rna_brush.c
index b44b0620329..35e01be366b 100644
--- a/source/blender/makesrna/intern/rna_brush.c
+++ b/source/blender/makesrna/intern/rna_brush.c
@@ -3242,7 +3242,6 @@ static void rna_def_brush(BlenderRNA *brna)
 
   prop = RNA_def_property(srna, "automasking_cavity_factor", PROP_FLOAT, PROP_FACTOR);
   RNA_def_property_float_sdna(prop, NULL, "automasking_cavity_factor");
-  RNA_def_property_float_default(prop, 1.0f);
   RNA_def_property_ui_text(prop, "Cavity Factor", "The contrast of the cavity mask");
   RNA_def_property_range(prop, 0.0f, 5.0f);
   RNA_def_property_ui_range(prop, 0.0f, 1.0f, 0.1, 3);