Slightly improve bounding box for skinned meshes

components/nifosg/nifloader.cpp

@@ -1196,28 +1196,24 @@ namespace NifOsg
             }
             rig->setInfluenceMap(map);
 
-            rig->setComputeBoundingBoxCallback(new StaticBoundingBoxCallback(geometry->getBound()));
+            // Compute the bounding box
+            osg::BoundingBox boundingBox;
 
-            geode->addDrawable(rig);
-
-            // World bounding box callback & node
-            osg::ref_ptr<BoundingBoxCallback> bbcb = new BoundingBoxCallback;
-            bbcb->mDrawable = rig;
-
-            osg::ref_ptr<osg::Geode> geode2 = new osg::Geode;
-            geode2->addDrawable( new osg::ShapeDrawable(new osg::Box) );
-
-            osg::ref_ptr<osg::MatrixTransform> boundingBoxNode = new osg::MatrixTransform;
-            boundingBoxNode->addChild( geode2.get() );
-            boundingBoxNode->addUpdateCallback( bbcb.get() );
-            boundingBoxNode->getOrCreateStateSet()->setAttributeAndModes(
-                new osg::PolygonMode(osg::PolygonMode::FRONT_AND_BACK, osg::PolygonMode::LINE) );
-            boundingBoxNode->getOrCreateStateSet()->setMode( GL_LIGHTING, osg::StateAttribute::OFF );
+            osg::Matrix worldTrans = getWorldTransform(triShape);
+            for(size_t i = 0;i < bones.length();i++)
+            {
+                osg::BoundingSphere boneSphere (data->bones[i].boundSphereCenter, data->bones[i].boundSphereRadius);
+                osg::Matrix boneWorldTrans(getWorldTransform(bones[i].getPtr()));
+                osg::Matrix mat = boneWorldTrans * worldTrans.inverse(worldTrans);
+                SceneUtil::transformBoundingSphere(mat, boneSphere);
+                boundingBox.expandBy(boneSphere);
+            }
+            rig->setComputeBoundingBoxCallback(new StaticBoundingBoxCallback(boundingBox));
 
+            geode->addDrawable(rig);
 
             // Add a copy, we will alternate between the two copies every other frame using the FrameSwitch
             // This is so we can set the DataVariance as STATIC, giving a huge performance boost
-            /*
             rig->setDataVariance(osg::Object::STATIC);
             osg::Geode* geode2 = static_cast<osg::Geode*>(osg::clone(geode.get(), osg::CopyOp::DEEP_COPY_NODES|
                                                                      osg::CopyOp::DEEP_COPY_DRAWABLES));
@@ -1226,11 +1222,7 @@ namespace NifOsg
             frameswitch->addChild(geode);
             frameswitch->addChild(geode2);
 
-            trans->addChild(frameswitch);
-            */
-
-            parentNode->addChild(geode);
-            parentNode->addChild(boundingBoxNode);
+            parentNode->addChild(frameswitch);
         }
 
 

components/nifosg/riggeometry.cpp

@@ -46,10 +46,8 @@ RigGeometry::RigGeometry()
 RigGeometry::RigGeometry(const RigGeometry &copy, const osg::CopyOp &copyop)
     : osg::Geometry(copy, copyop)
     , mInfluenceMap(copy.mInfluenceMap)
-    , mSourceGeometry(copy.mSourceGeometry)
 {
-    //setVertexArray(dynamic_cast<osg::Array*>(from.getVertexArray()->clone(osg::CopyOp::DEEP_COPY_ALL)));
-    //setNormalArray(dynamic_cast<osg::Array*>(from.getNormalArray()->clone(osg::CopyOp::DEEP_COPY_ALL)), osg::Array::BIND_PER_VERTEX);
+    setSourceGeometry(copy.mSourceGeometry);
 }
 
 void RigGeometry::setSourceGeometry(osg::ref_ptr<osg::Geometry> sourceGeometry)
@@ -110,8 +108,6 @@ bool RigGeometry::initFromParentSkeleton(osg::NodeVisitor* nv)
         return false;
     }
 
-    // geometryToSkel = nv->getNodePath()...
-
     if (!mInfluenceMap)
     {
         std::cerr << "No InfluenceMap set on RigGeometry" << std::endl;