Fluid: Updated Mantaflow source with latest OpenVDB changes

This updated set of Mantaflow files includes the improved  OpenVDB file IO. With this update it is finally possible to store multiple grids per file. It is also possible to save particle systems and particle data to OpenVDB files.

1 files changed, 4 insertions, 6 deletions

diff --git a/extern/mantaflow/preprocessed/grid4d.h b/extern/mantaflow/preprocessed/grid4d.h
index c3a98788da3..ee36c681ec5 100644
--- a/extern/mantaflow/preprocessed/grid4d.h
+++ b/extern/mantaflow/preprocessed/grid4d.h
@@ -372,7 +372,7 @@ template<class T> class Grid4d : public Grid4dBase {
   typedef T BASETYPE;
   typedef Grid4dBase BASETYPE_GRID;
 
-  void save(std::string name);
+  int save(std::string name);
   static PyObject *_W_9(PyObject *_self, PyObject *_linargs, PyObject *_kwds)
   {
     try {
@@ -385,8 +385,7 @@ template<class T> class Grid4d : public Grid4dBase {
         ArgLocker _lock;
         std::string name = _args.get<std::string>("name", 0, &_lock);
         pbo->_args.copy(_args);
-        _retval = getPyNone();
-        pbo->save(name);
+        _retval = toPy(pbo->save(name));
         pbo->_args.check();
       }
       pbFinalizePlugin(pbo->getParent(), "Grid4d::save", !noTiming);
@@ -398,7 +397,7 @@ template<class T> class Grid4d : public Grid4dBase {
     }
   }
 
-  void load(std::string name);
+  int load(std::string name);
   static PyObject *_W_10(PyObject *_self, PyObject *_linargs, PyObject *_kwds)
   {
     try {
@@ -411,8 +410,7 @@ template<class T> class Grid4d : public Grid4dBase {
         ArgLocker _lock;
         std::string name = _args.get<std::string>("name", 0, &_lock);
         pbo->_args.copy(_args);
-        _retval = getPyNone();
-        pbo->load(name);
+        _retval = toPy(pbo->load(name));
         pbo->_args.check();
       }
       pbFinalizePlugin(pbo->getParent(), "Grid4d::load", !noTiming);