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, 8 insertions, 6 deletions

diff --git a/extern/mantaflow/preprocessed/grid4d.cpp b/extern/mantaflow/preprocessed/grid4d.cpp
index 41d69b2d33a..48f80d90b9f 100644
--- a/extern/mantaflow/preprocessed/grid4d.cpp
+++ b/extern/mantaflow/preprocessed/grid4d.cpp
@@ -121,30 +121,32 @@ template<class T> void Grid4d<T>::swap(Grid4d<T> &other)
   mData = dswap;
 }
 
-template<class T> void Grid4d<T>::load(string name)
+template<class T> int Grid4d<T>::load(string name)
 {
   if (name.find_last_of('.') == string::npos)
     errMsg("file '" + name + "' does not have an extension");
   string ext = name.substr(name.find_last_of('.'));
   if (ext == ".uni")
-    readGrid4dUni(name, this);
+    return readGrid4dUni(name, this);
   else if (ext == ".raw")
-    readGrid4dRaw(name, this);
+    return readGrid4dRaw(name, this);
   else
     errMsg("file '" + name + "' filetype not supported");
+  return 0;
 }
 
-template<class T> void Grid4d<T>::save(string name)
+template<class T> int Grid4d<T>::save(string name)
 {
   if (name.find_last_of('.') == string::npos)
     errMsg("file '" + name + "' does not have an extension");
   string ext = name.substr(name.find_last_of('.'));
   if (ext == ".uni")
-    writeGrid4dUni(name, this);
+    return writeGrid4dUni(name, this);
   else if (ext == ".raw")
-    writeGrid4dRaw(name, this);
+    return writeGrid4dRaw(name, this);
   else
     errMsg("file '" + name + "' filetype not supported");
+  return 0;
 }
 
 //******************************************************************************