540 lines
24 KiB
C++
540 lines
24 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
|
|
*
|
|
* This library is open source and may be redistributed and/or modified under
|
|
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
|
|
* (at your option) any later version. The full license is in LICENSE file
|
|
* included with this distribution, and on the openscenegraph.org website.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* OpenSceneGraph Public License for more details.
|
|
*/
|
|
|
|
|
|
#ifndef OSG_NODE
|
|
#define OSG_NODE 1
|
|
|
|
#include <osg/Object>
|
|
#include <osg/StateSet>
|
|
#include <osg/BoundingSphere>
|
|
#include <osg/BoundingBox>
|
|
#include <osg/Callback>
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
|
|
// forward declare osgTerrrain::Terrain to enable declaration of asTerrain() method.
|
|
namespace osgTerrain {
|
|
class Terrain;
|
|
}
|
|
|
|
namespace osg {
|
|
|
|
// forcing declare classes to enable declaration of as*() methods.
|
|
class NodeVisitor;
|
|
class Drawable;
|
|
class Geometry;
|
|
class Group;
|
|
class Transform;
|
|
class Node;
|
|
class Switch;
|
|
class Geode;
|
|
class Camera;
|
|
class OccluderNode;
|
|
|
|
/** A vector of Nodes pointers which is used to describe the path from a root node to a descendant.*/
|
|
typedef std::vector< Node* > NodePath;
|
|
|
|
/** A vector of NodePath, typically used to describe all the paths from a node to the potential root nodes it has.*/
|
|
typedef std::vector< NodePath > NodePathList;
|
|
|
|
/** A vector of NodePath, typically used to describe all the paths from a node to the potential root nodes it has.*/
|
|
typedef std::vector< Matrix > MatrixList;
|
|
|
|
|
|
/** META_Node macro define the standard clone, isSameKindAs, className
|
|
* and accept methods. Use when subclassing from Node to make it
|
|
* more convenient to define the required pure virtual methods.*/
|
|
#define META_Node(library,name) \
|
|
virtual osg::Object* cloneType() const { return new name (); } \
|
|
virtual osg::Object* clone(const osg::CopyOp& copyop) const { return new name (*this,copyop); } \
|
|
virtual bool isSameKindAs(const osg::Object* obj) const { return dynamic_cast<const name *>(obj)!=NULL; } \
|
|
virtual const char* className() const { return #name; } \
|
|
virtual const char* libraryName() const { return #library; } \
|
|
virtual void accept(osg::NodeVisitor& nv) { if (nv.validNodeMask(*this)) { nv.pushOntoNodePath(this); nv.apply(*this); nv.popFromNodePath(); } } \
|
|
|
|
|
|
/** Base class for all internal nodes in the scene graph.
|
|
Provides interface for most common node operations (Composite Pattern).
|
|
*/
|
|
class OSG_EXPORT Node : public Object
|
|
{
|
|
public:
|
|
|
|
/** Construct a node.
|
|
Initialize the parent list to empty, node name to "" and
|
|
bounding sphere dirty flag to true.*/
|
|
Node();
|
|
|
|
/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
|
|
Node(const Node&,const CopyOp& copyop=CopyOp::SHALLOW_COPY);
|
|
|
|
/** clone an object of the same type as the node.*/
|
|
virtual Object* cloneType() const { return new Node(); }
|
|
|
|
/** return a clone of a node, with Object* return type.*/
|
|
virtual Object* clone(const CopyOp& copyop) const { return new Node(*this,copyop); }
|
|
|
|
/** return true if this and obj are of the same kind of object.*/
|
|
virtual bool isSameKindAs(const Object* obj) const { return dynamic_cast<const Node*>(obj)!=NULL; }
|
|
|
|
/** return the name of the node's library.*/
|
|
virtual const char* libraryName() const { return "osg"; }
|
|
|
|
/** return the name of the node's class type.*/
|
|
virtual const char* className() const { return "Node"; }
|
|
|
|
/** Convert 'this' into a Node pointer if Object is a Node, otherwise return 0.
|
|
* Equivalent to dynamic_cast<Node*>(this).*/
|
|
virtual Node* asNode() { return this; }
|
|
|
|
/** convert 'const this' into a const Node pointer if Object is a Node, otherwise return 0.
|
|
* Equivalent to dynamic_cast<const Node*>(this).*/
|
|
virtual const Node* asNode() const { return this; }
|
|
|
|
/** convert 'this' into a Drawable pointer if Node is a Drawable, otherwise return 0.
|
|
* Equivalent to dynamic_cast<Group*>(this).*/
|
|
virtual Drawable* asDrawable() { return 0; }
|
|
/** convert 'const this' into a const Drawable pointer if Node is a Drawable, otherwise return 0.
|
|
* Equivalent to dynamic_cast<const Group*>(this).*/
|
|
virtual const Drawable* asDrawable() const { return 0; }
|
|
|
|
/** convert 'this' into a Geometry pointer if Node is a Geometry, otherwise return 0.
|
|
* Equivalent to dynamic_cast<Group*>(this).*/
|
|
virtual Geometry* asGeometry() { return 0; }
|
|
/** convert 'const this' into a const Geometry pointer if Node is a Geometry, otherwise return 0.
|
|
* Equivalent to dynamic_cast<const Group*>(this).*/
|
|
virtual const Geometry* asGeometry() const { return 0; }
|
|
|
|
/** convert 'this' into a Group pointer if Node is a Group, otherwise return 0.
|
|
* Equivalent to dynamic_cast<Group*>(this).*/
|
|
virtual Group* asGroup() { return 0; }
|
|
/** convert 'const this' into a const Group pointer if Node is a Group, otherwise return 0.
|
|
* Equivalent to dynamic_cast<const Group*>(this).*/
|
|
virtual const Group* asGroup() const { return 0; }
|
|
|
|
/** Convert 'this' into a Transform pointer if Node is a Transform, otherwise return 0.
|
|
* Equivalent to dynamic_cast<Transform*>(this).*/
|
|
virtual Transform* asTransform() { return 0; }
|
|
|
|
/** convert 'const this' into a const Transform pointer if Node is a Transform, otherwise return 0.
|
|
* Equivalent to dynamic_cast<const Transform*>(this).*/
|
|
virtual const Transform* asTransform() const { return 0; }
|
|
|
|
/** Convert 'this' into an OccluderNode pointer if Node is an OccluderNode, otherwise return 0.
|
|
* Equivalent to dynamic_cast<OccluderNode*>(this).*/
|
|
virtual OccluderNode* asOccluderNode() { return 0; }
|
|
/** Convert 'const this' into a const OccluderNode pointer if Node is an OccluderNode, otherwise return 0.
|
|
* Equivalent to dynamic_cast<const OccluderNode*>(this).*/
|
|
virtual const OccluderNode* asOccluderNode() const { return 0; }
|
|
|
|
|
|
/** Convert 'this' into a Switch pointer if Node is a Switch, otherwise return 0.
|
|
* Equivalent to dynamic_cast<Switch*>(this).*/
|
|
virtual Switch* asSwitch() { return 0; }
|
|
|
|
/** convert 'const this' into a const Switch pointer if Node is a Switch, otherwise return 0.
|
|
* Equivalent to dynamic_cast<const Switch*>(this).*/
|
|
virtual const Switch* asSwitch() const { return 0; }
|
|
|
|
/** Convert 'this' into a Geode pointer if Node is a Geode, otherwise return 0.
|
|
* Equivalent to dynamic_cast<Geode*>(this).*/
|
|
virtual Geode* asGeode() { return 0; }
|
|
|
|
/** convert 'const this' into a const Geode pointer if Node is a Geode, otherwise return 0.
|
|
* Equivalent to dynamic_cast<const Geode*>(this).*/
|
|
virtual const Geode* asGeode() const { return 0; }
|
|
|
|
/** Convert 'this' into a Transform pointer if Node is a Terrain, otherwise return 0.
|
|
* Equivalent to dynamic_cast<Terrrain*>(this).*/
|
|
virtual osgTerrain::Terrain* asTerrain() { return 0; }
|
|
|
|
/** convert 'const this' into a const Terrain pointer if Node is a Terrain, otherwise return 0.
|
|
* Equivalent to dynamic_cast<const Terrain*>(this).*/
|
|
virtual const osgTerrain::Terrain* asTerrain() const { return 0; }
|
|
|
|
|
|
/** Visitor Pattern : calls the apply method of a NodeVisitor with this node's type.*/
|
|
virtual void accept(NodeVisitor& nv);
|
|
/** Traverse upwards : calls parents' accept method with NodeVisitor.*/
|
|
virtual void ascend(NodeVisitor& nv);
|
|
/** Traverse downwards : calls children's accept method with NodeVisitor.*/
|
|
virtual void traverse(NodeVisitor& /*nv*/) {}
|
|
|
|
/** A vector of osg::Group pointers which is used to store the parent(s) of node.*/
|
|
typedef std::vector<Group*> ParentList;
|
|
|
|
/** Get the parent list of node. */
|
|
inline const ParentList& getParents() const { return _parents; }
|
|
|
|
/** Get the a copy of parent list of node. A copy is returned to
|
|
* prevent modification of the parent list.*/
|
|
inline ParentList getParents() { return _parents; }
|
|
|
|
inline Group* getParent(unsigned int i) { return _parents[i]; }
|
|
|
|
/**
|
|
* Get a single const parent of node.
|
|
* @param i index of the parent to get.
|
|
* @return the parent i.
|
|
*/
|
|
inline const Group* getParent(unsigned int i) const { return _parents[i]; }
|
|
|
|
/**
|
|
* Get the number of parents of node.
|
|
* @return the number of parents of this node.
|
|
*/
|
|
inline unsigned int getNumParents() const { return static_cast<unsigned int>(_parents.size()); }
|
|
|
|
|
|
|
|
/** Get the list of node paths parent paths.
|
|
* The optional Node* haltTraversalAtNode allows the user to prevent traversal beyond a specified node. */
|
|
NodePathList getParentalNodePaths(osg::Node* haltTraversalAtNode=0) const;
|
|
|
|
/** Get the list of matrices that transform this node from local coordinates to world coordinates.
|
|
* The optional Node* haltTraversalAtNode allows the user to prevent traversal beyond a specified node. */
|
|
MatrixList getWorldMatrices(const osg::Node* haltTraversalAtNode=0) const;
|
|
|
|
|
|
/** Set update node callback, called during update traversal. */
|
|
void setUpdateCallback(Callback* nc);
|
|
|
|
template<class T> void setUpdateCallback(const ref_ptr<T>& nc) { setUpdateCallback(nc.get()); }
|
|
|
|
/** Get update node callback, called during update traversal. */
|
|
inline Callback* getUpdateCallback() { return _updateCallback.get(); }
|
|
|
|
/** Get const update node callback, called during update traversal. */
|
|
inline const Callback* getUpdateCallback() const { return _updateCallback.get(); }
|
|
|
|
/** Convenience method that sets the update callback of the node if it doesn't exist, or nest it into the existing one. */
|
|
inline void addUpdateCallback(Callback* nc) {
|
|
if (nc != NULL) {
|
|
if (_updateCallback.valid()) _updateCallback->addNestedCallback(nc);
|
|
else setUpdateCallback(nc);
|
|
}
|
|
}
|
|
|
|
template<class T> void addUpdateCallback(const ref_ptr<T>& nc) { addUpdateCallback(nc.get()); }
|
|
|
|
/** Convenience method that removes a given callback from a node, even if that callback is nested. There is no error return in case the given callback is not found. */
|
|
inline void removeUpdateCallback(Callback* nc) {
|
|
if (nc != NULL && _updateCallback.valid()) {
|
|
if (_updateCallback == nc)
|
|
{
|
|
ref_ptr<osg::Callback> new_nested_callback = nc->getNestedCallback();
|
|
nc->setNestedCallback(0);
|
|
setUpdateCallback(new_nested_callback.get());
|
|
}
|
|
else _updateCallback->removeNestedCallback(nc);
|
|
}
|
|
}
|
|
|
|
template<class T> void removeUpdateCallback(const ref_ptr<T>& nc) { removeUpdateCallback(nc.get()); }
|
|
|
|
/** Get the number of Children of this node which require Update traversal,
|
|
* since they have an Update Callback attached to them or their children.*/
|
|
inline unsigned int getNumChildrenRequiringUpdateTraversal() const { return _numChildrenRequiringUpdateTraversal; }
|
|
|
|
|
|
/** Set event node callback, called during event traversal. */
|
|
void setEventCallback(Callback* nc);
|
|
|
|
template<class T> void setEventCallback(const ref_ptr<T>& nc) { setEventCallback(nc.get()); }
|
|
|
|
/** Get event node callback, called during event traversal. */
|
|
inline Callback* getEventCallback() { return _eventCallback.get(); }
|
|
|
|
/** Get const event node callback, called during event traversal. */
|
|
inline const Callback* getEventCallback() const { return _eventCallback.get(); }
|
|
|
|
/** Convenience method that sets the event callback of the node if it doesn't exist, or nest it into the existing one. */
|
|
inline void addEventCallback(Callback* nc) {
|
|
if (nc != NULL) {
|
|
if (_eventCallback.valid()) _eventCallback->addNestedCallback(nc);
|
|
else setEventCallback(nc);
|
|
}
|
|
}
|
|
|
|
template<class T> void addEventCallback(const ref_ptr<T>& nc) { addEventCallback(nc.get()); }
|
|
|
|
/** Convenience method that removes a given callback from a node, even if that callback is nested. There is no error return in case the given callback is not found. */
|
|
inline void removeEventCallback(Callback* nc) {
|
|
if (nc != NULL && _eventCallback.valid()) {
|
|
if (_eventCallback == nc)
|
|
{
|
|
ref_ptr<osg::Callback> new_nested_callback = nc->getNestedCallback();
|
|
nc->setNestedCallback(0);
|
|
setEventCallback(new_nested_callback.get()); // replace the callback by the nested one
|
|
}
|
|
else _eventCallback->removeNestedCallback(nc);
|
|
}
|
|
}
|
|
|
|
template<class T> void removeEventCallback(const ref_ptr<T>& nc) { removeEventCallback(nc.get()); }
|
|
|
|
/** Get the number of Children of this node which require Event traversal,
|
|
* since they have an Event Callback attached to them or their children.*/
|
|
inline unsigned int getNumChildrenRequiringEventTraversal() const { return _numChildrenRequiringEventTraversal; }
|
|
|
|
|
|
/** Set cull node callback, called during cull traversal. */
|
|
void setCullCallback(Callback* nc) { _cullCallback = nc; }
|
|
|
|
template<class T> void setCullCallback(const ref_ptr<T>& nc) { setCullCallback(nc.get()); }
|
|
|
|
/** Get cull node callback, called during cull traversal. */
|
|
inline Callback* getCullCallback() { return _cullCallback.get(); }
|
|
|
|
/** Get const cull node callback, called during cull traversal. */
|
|
inline const Callback* getCullCallback() const { return _cullCallback.get(); }
|
|
|
|
/** Convenience method that sets the cull callback of the node if it doesn't exist, or nest it into the existing one. */
|
|
inline void addCullCallback(Callback* nc) {
|
|
if (nc != NULL) {
|
|
if (_cullCallback.valid()) _cullCallback->addNestedCallback(nc);
|
|
else setCullCallback(nc);
|
|
}
|
|
}
|
|
|
|
template<class T> void addCullCallback(const ref_ptr<T>& nc) { addCullCallback(nc.get()); }
|
|
|
|
/** Convenience method that removes a given callback from a node, even if that callback is nested. There is no error return in case the given callback is not found. */
|
|
inline void removeCullCallback(Callback* nc) {
|
|
if (nc != NULL && _cullCallback.valid()) {
|
|
if (_cullCallback == nc)
|
|
{
|
|
ref_ptr<osg::Callback> new_nested_callback = nc->getNestedCallback();
|
|
nc->setNestedCallback(0);
|
|
setCullCallback(new_nested_callback.get()); // replace the callback by the nested one
|
|
}
|
|
else _cullCallback->removeNestedCallback(nc);
|
|
}
|
|
}
|
|
|
|
template<class T> void removeCullCallback(const ref_ptr<T>& nc) { removeCullCallback(nc.get()); }
|
|
|
|
/** Set the view frustum/small feature culling of this node to be active or inactive.
|
|
* The default value is true for _cullingActive. Used as a guide
|
|
* to the cull traversal.*/
|
|
void setCullingActive(bool active);
|
|
|
|
/** Get the view frustum/small feature _cullingActive flag for this node. Used as a guide
|
|
* to the cull traversal.*/
|
|
inline bool getCullingActive() const { return _cullingActive; }
|
|
|
|
/** Get the number of Children of this node which have culling disabled.*/
|
|
inline unsigned int getNumChildrenWithCullingDisabled() const { return _numChildrenWithCullingDisabled; }
|
|
|
|
/** Return true if this node can be culled by view frustum, occlusion or small feature culling during the cull traversal.
|
|
* Note, returns true only if no children have culling disabled, and the local _cullingActive flag is true.*/
|
|
inline bool isCullingActive() const { return _numChildrenWithCullingDisabled==0 && _cullingActive && getBound().valid(); }
|
|
|
|
/** Get the number of Children of this node which are or have OccluderNode's.*/
|
|
inline unsigned int getNumChildrenWithOccluderNodes() const { return _numChildrenWithOccluderNodes; }
|
|
|
|
|
|
/** return true if this node is an OccluderNode or the subgraph below this node are OccluderNodes.*/
|
|
bool containsOccluderNodes() const;
|
|
|
|
|
|
/**
|
|
* This is a set of bits (flags) that represent the Node.
|
|
* The default value is 0xffffffff (all bits set).
|
|
*
|
|
* The most common use of these is during traversal of the scene graph.
|
|
* For instance, when traversing the scene graph the osg::NodeVisitor does a bitwise
|
|
* AND of its TraversalMask with the Node's NodeMask to
|
|
* determine if the Node should be processed/traversed.
|
|
*
|
|
* For example, if a Node has a NodeMask value of 0x02 (only 2nd bit set)
|
|
* and the osg::Camera has a CullMask of 0x4 (2nd bit not set) then during cull traversal,
|
|
* which takes it's TraversalMask from the Camera's CullMask, the node and any children
|
|
* would be ignored and thereby treated as "culled" and thus not rendered.
|
|
* Conversely, if the osg::Camera CullMask were 0x3 (2nd bit set) then the node
|
|
* would be processed and child Nodes would be examined.
|
|
*/
|
|
typedef unsigned int NodeMask;
|
|
/** Set the node mask.*/
|
|
inline void setNodeMask(NodeMask nm) { _nodeMask = nm; }
|
|
/** Get the node Mask.*/
|
|
inline NodeMask getNodeMask() const { return _nodeMask; }
|
|
|
|
|
|
|
|
/** Set the node's StateSet.*/
|
|
void setStateSet(osg::StateSet* stateset);
|
|
|
|
template<class T> void setStateSet(const osg::ref_ptr<T>& stateset) { setStateSet(stateset.get()); }
|
|
|
|
/** return the node's StateSet, if one does not already exist create it
|
|
* set the node and return the newly created StateSet. This ensures
|
|
* that a valid StateSet is always returned and can be used directly.*/
|
|
osg::StateSet* getOrCreateStateSet();
|
|
|
|
/** Return the node's StateSet. returns NULL if a stateset is not attached.*/
|
|
inline osg::StateSet* getStateSet() { return _stateset.get(); }
|
|
|
|
/** Return the node's const StateSet. Returns NULL if a stateset is not attached.*/
|
|
inline const osg::StateSet* getStateSet() const { return _stateset.get(); }
|
|
|
|
|
|
/** A vector of std::string's which are used to describe the object.*/
|
|
typedef std::vector<std::string> DescriptionList;
|
|
|
|
/** Set the list of string descriptions.*/
|
|
void setDescriptions(const DescriptionList& descriptions);
|
|
|
|
/** Get the description list of the node.*/
|
|
DescriptionList& getDescriptions();
|
|
|
|
/** Get the const description list of the const node.*/
|
|
const DescriptionList& getDescriptions() const;
|
|
|
|
|
|
/** Get a single const description of the const node.*/
|
|
const std::string& getDescription(unsigned int i) const;
|
|
|
|
/** Get a single description of the node.*/
|
|
std::string& getDescription(unsigned int i);
|
|
|
|
/** Get the number of descriptions of the node.*/
|
|
unsigned int getNumDescriptions() const;
|
|
|
|
/** Add a description string to the node.*/
|
|
void addDescription(const std::string& desc);
|
|
|
|
|
|
/** Set the initial bounding volume to use when computing the overall bounding volume.*/
|
|
void setInitialBound(const osg::BoundingSphere& bsphere) { _initialBound = bsphere; dirtyBound(); }
|
|
|
|
/** Set the initial bounding volume to use when computing the overall bounding volume.*/
|
|
const BoundingSphere& getInitialBound() const { return _initialBound; }
|
|
|
|
/** Mark this node's bounding sphere dirty.
|
|
Forcing it to be computed on the next call to getBound().*/
|
|
void dirtyBound();
|
|
|
|
|
|
inline const BoundingSphere& getBound() const
|
|
{
|
|
if(!_boundingSphereComputed)
|
|
{
|
|
_boundingSphere = _initialBound;
|
|
if (_computeBoundCallback.valid())
|
|
_boundingSphere.expandBy(_computeBoundCallback->computeBound(*this));
|
|
else
|
|
_boundingSphere.expandBy(computeBound());
|
|
|
|
_boundingSphereComputed = true;
|
|
}
|
|
return _boundingSphere;
|
|
}
|
|
|
|
/** Compute the bounding sphere around Node's geometry or children.
|
|
This method is automatically called by getBound() when the bounding
|
|
sphere has been marked dirty via dirtyBound().*/
|
|
virtual BoundingSphere computeBound() const;
|
|
|
|
/** Callback to allow users to override the default computation of bounding volume.*/
|
|
struct ComputeBoundingSphereCallback : public osg::Object
|
|
{
|
|
ComputeBoundingSphereCallback() {}
|
|
|
|
ComputeBoundingSphereCallback(const ComputeBoundingSphereCallback& org,const CopyOp& copyop):
|
|
Object(org, copyop) {}
|
|
|
|
META_Object(osg,ComputeBoundingSphereCallback);
|
|
|
|
virtual BoundingSphere computeBound(const osg::Node&) const { return BoundingSphere(); }
|
|
};
|
|
|
|
/** Set the compute bound callback to override the default computeBound.*/
|
|
void setComputeBoundingSphereCallback(ComputeBoundingSphereCallback* callback) { _computeBoundCallback = callback; }
|
|
|
|
template<class T> void setComputeBoundingSphereCallback(const ref_ptr<T>& callback) { setComputeBoundingSphereCallback(callback.get()); }
|
|
|
|
/** Get the compute bound callback.*/
|
|
ComputeBoundingSphereCallback* getComputeBoundingSphereCallback() { return _computeBoundCallback.get(); }
|
|
|
|
/** Get the const compute bound callback.*/
|
|
const ComputeBoundingSphereCallback* getComputeBoundingSphereCallback() const { return _computeBoundCallback.get(); }
|
|
|
|
/** Set whether to use a mutex to ensure ref() and unref() are thread safe.*/
|
|
virtual void setThreadSafeRefUnref(bool threadSafe);
|
|
|
|
/** Resize any per context GLObject buffers to specified size. */
|
|
virtual void resizeGLObjectBuffers(unsigned int /*maxSize*/);
|
|
|
|
/** If State is non-zero, this function releases any associated OpenGL objects for
|
|
* the specified graphics context. Otherwise, releases OpenGL objects
|
|
* for all graphics contexts. */
|
|
virtual void releaseGLObjects(osg::State* = 0) const;
|
|
|
|
|
|
protected:
|
|
|
|
/** Node destructor. Note, is protected so that Nodes cannot
|
|
be deleted other than by being dereferenced and the reference
|
|
count being zero (see osg::Referenced), preventing the deletion
|
|
of nodes which are still in use. This also means that
|
|
Nodes cannot be created on stack i.e Node node will not compile,
|
|
forcing all nodes to be created on the heap i.e Node* node
|
|
= new Node().*/
|
|
virtual ~Node();
|
|
|
|
|
|
|
|
BoundingSphere _initialBound;
|
|
ref_ptr<ComputeBoundingSphereCallback> _computeBoundCallback;
|
|
mutable BoundingSphere _boundingSphere;
|
|
mutable bool _boundingSphereComputed;
|
|
|
|
void addParent(osg::Group* parent);
|
|
void removeParent(osg::Group* parent);
|
|
|
|
ParentList _parents;
|
|
friend class osg::Group;
|
|
friend class osg::Drawable;
|
|
friend class osg::StateSet;
|
|
|
|
ref_ptr<Callback> _updateCallback;
|
|
unsigned int _numChildrenRequiringUpdateTraversal;
|
|
void setNumChildrenRequiringUpdateTraversal(unsigned int num);
|
|
|
|
ref_ptr<Callback> _eventCallback;
|
|
unsigned int _numChildrenRequiringEventTraversal;
|
|
void setNumChildrenRequiringEventTraversal(unsigned int num);
|
|
|
|
ref_ptr<Callback> _cullCallback;
|
|
|
|
bool _cullingActive;
|
|
unsigned int _numChildrenWithCullingDisabled;
|
|
void setNumChildrenWithCullingDisabled(unsigned int num);
|
|
|
|
unsigned int _numChildrenWithOccluderNodes;
|
|
void setNumChildrenWithOccluderNodes(unsigned int num);
|
|
|
|
NodeMask _nodeMask;
|
|
|
|
ref_ptr<StateSet> _stateset;
|
|
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|