2 files changed, 4 insertions, 1 deletions
diff --git a/source/blender/makesdna/DNA_cloth_types.h b/source/blender/makesdna/DNA_cloth_types.h
index 8f3a26cf9c0..2b66bb771e1 100644
--- a/source/blender/makesdna/DNA_cloth_types.h
+++ b/source/blender/makesdna/DNA_cloth_types.h
@@ -109,8 +109,10 @@ typedef struct ClothSimSettings {
      pressure=( (current_volume/target_volume) - 1 + uniform_pressure_force) *
      pressure_factor */
   float pressure_factor;
+  /* Density of the fluid inside or outside the object for use in the hydrostatic pressure gradient. */
+  float fluid_density;
   short vgroup_pressure;
-  char _pad7[2];
+  char _pad7[6];
 
   /* XXX various hair stuff
    * should really be separate, this struct is a horrible mess already
diff --git a/source/blender/makesdna/DNA_pointcache_types.h b/source/blender/makesdna/DNA_pointcache_types.h
index fcdc22ca56d..3c7fc9031de 100644
--- a/source/blender/makesdna/DNA_pointcache_types.h
+++ b/source/blender/makesdna/DNA_pointcache_types.h
@@ -50,6 +50,7 @@ extern "C" {
 #define BPHYS_TOT_DATA 8
 
 #define BPHYS_EXTRA_FLUID_SPRINGS 1
+#define BPHYS_EXTRA_CLOTH_ACCELERATION 2
 
 typedef struct PTCacheExtra {
   struct PTCacheExtra *next, *prev;