Don't use the ParticleSystem for computing placeable bounds (Bug #2700)

apps/openmw/mwrender/vismask.hpp

@@ -22,8 +22,11 @@ namespace MWRender
         Mask_Scene = (1<<8),
         Mask_GUI = (1<<9),
 
+        // Set on a Geode
+        Mask_ParticleSystem = (1<<10),
+
         // Set on cameras within the main scene graph
-        Mask_RenderToTexture = (1<<10)
+        Mask_RenderToTexture = (1<<11)
 
         // reserved: (1<<16) for SceneUtil::Mask_Lit
     };

apps/openmw/mwworld/worldimp.cpp

@@ -37,6 +37,7 @@
 #include "../mwrender/animation.hpp"
 #include "../mwrender/renderingmanager.hpp"
 #include "../mwrender/camera.hpp"
+#include "../mwrender/vismask.hpp"
 
 #include "../mwscript/interpretercontext.hpp"
 #include "../mwscript/globalscripts.hpp"
@@ -1862,6 +1863,7 @@ namespace MWWorld
         {
             // Adjust position so the location we wanted ends up in the middle of the object bounding box
             osg::ComputeBoundsVisitor computeBounds;
+            computeBounds.setTraversalMask(~MWRender::Mask_ParticleSystem);
             dropped.getRefData().getBaseNode()->accept(computeBounds);
             osg::BoundingBox bounds = computeBounds.getBoundingBox();
             if (bounds.valid())

components/resource/scenemanager.cpp

@@ -47,6 +47,7 @@ namespace
                             if (geode->getNumParents() && geode->getParent(0)->getNumParents())
                                 transformInitialParticles(partsys, geode->getParent(0)->getParent(0));
                         }
+                        geode->setNodeMask((1<<10)); //MWRender::Mask_ParticleSystem
                     }
                 }
             }