Fluid: Update Mantaflow source files

Update includes new grid helper functions and some cleanups.

1 files changed, 1 insertions, 1 deletions

diff --git a/extern/mantaflow/preprocessed/plugin/secondaryparticles.cpp b/extern/mantaflow/preprocessed/plugin/secondaryparticles.cpp
index 18582d57e64..23f5e23d99d 100644
--- a/extern/mantaflow/preprocessed/plugin/secondaryparticles.cpp
+++ b/extern/mantaflow/preprocessed/plugin/secondaryparticles.cpp
@@ -1834,7 +1834,7 @@ struct knFlipDeleteParticlesInObstacle : public KernelBase {
     }
     int gridIndex = flags.index(xidx);
     // remove particles that penetrate obstacles
-    if (flags[gridIndex] == FlagGrid::TypeObstacle || flags[gridIndex] == FlagGrid::TypeOutflow) {
+    if (flags.isObstacle(gridIndex) || flags.isOutflow(gridIndex)) {
       pts.kill(idx);
     }
   }