Fix T73680: Scene and fluid modifier gravity are scaled differently

Reviewers: sebbas

Differential Revision: https://developer.blender.org/D7483

1 files changed, 15 insertions, 0 deletions

diff --git a/source/blender/blenloader/intern/versioning_280.c b/source/blender/blenloader/intern/versioning_280.c
index 329767ef202..d246eadb381 100644
--- a/source/blender/blenloader/intern/versioning_280.c
+++ b/source/blender/blenloader/intern/versioning_280.c
@@ -40,6 +40,7 @@
 #include "DNA_constraint_types.h"
 #include "DNA_curve_types.h"
 #include "DNA_curveprofile_types.h"
+#include "DNA_fluid_types.h"
 #include "DNA_freestyle_types.h"
 #include "DNA_genfile.h"
 #include "DNA_gpencil_modifier_types.h"
@@ -5037,6 +5038,20 @@ void blo_do_versions_280(FileData *fd, Library *UNUSED(lib), Main *bmain)
     }
   }
 
+  /* Match scale of fluid modifier gravity with scene gravity. */
+  if (!MAIN_VERSION_ATLEAST(bmain, 283, 15)) {
+    for (Object *ob = bmain->objects.first; ob; ob = ob->id.next) {
+      for (ModifierData *md = ob->modifiers.first; md; md = md->next) {
+        if (md->type == eModifierType_Fluid) {
+          FluidModifierData *fmd = (FluidModifierData *)md;
+          if (fmd->domain != NULL) {
+            mul_v3_fl(fmd->domain->gravity, 9.81f);
+          }
+        }
+      }
+    }
+  }
+
   /**
    * Versioning code until next subversion bump goes here.
    *