FGFS-4.1/OpenSceneGraph
3
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added asUpdate/Cull/EventVisitor and asCamera/asDrawable to osg::Object and usage of these within the code base to avoid dynamic_cast<> usage.

Browse Source
This commit is contained in:
Robert Osfield
2016-01-20 17:49:10 +00:00
parent 2e7cfe7efa
commit 8fc287c1b7
37 changed files with 118 additions and 63 deletions
Download Patch File Download Diff File Expand all files Collapse all files

42
include/osg/NodeVisitor
View File

@@ -18,6 +18,10 @@
#include <osg/Matrix>
#include <osg/FrameStamp>
namespace osgUtil { class UpdateVisitor; class CullVisitor; class IntersectionVisitor; }
namespace osgGA { class EventVisitor; }
namespace osg {
class Billboard;
@@ -44,6 +48,10 @@ class CameraView;
class Drawable;
class Geometry;
const unsigned int UNINITIALIZED_FRAME_NUMBER=0xffffffff;
#define META_NodeVisitor(library, name) \
@@ -104,6 +112,40 @@ class OSG_EXPORT NodeVisitor : public virtual Object
* Equivalent to dynamic_cast<const NodeVisitor*>(this).*/
virtual const NodeVisitor* asNodeVisitor() const { return this; }
/** Convert 'this' into a osgUtil::UpdateVisitor pointer if Object is a osgUtil::UpdateVisitor, otherwise return 0.
* Equivalent to dynamic_cast<osgUtil::UpdateVisitor*>(this).*/
virtual osgUtil::UpdateVisitor* asUpdateVisitor() { return 0; }
/** convert 'const this' into a const osgUtil::UpdateVisitor pointer if Object is a osgUtil::UpdateVisitor, otherwise return 0.
* Equivalent to dynamic_cast<const osgUtil::UpdateVisitor*>(this).*/
virtual const osgUtil::UpdateVisitor* asUpdateVisitor() const { return 0; }
/** Convert 'this' into a osgUtil::CullVisitor pointer if Object is a osgUtil::CullVisitor, otherwise return 0.
* Equivalent to dynamic_cast<osgUtil::CullVisitor*>(this).*/
virtual osgUtil::CullVisitor* asCullVisitor() { return 0; }
/** convert 'const this' into a const osgUtil::CullVisitor pointer if Object is a osgUtil::CullVisitor, otherwise return 0.
* Equivalent to dynamic_cast<const osgUtil::CullVisitor*>(this).*/
virtual const osgUtil::CullVisitor* asCullVisitor() const { return 0; }
/** Convert 'this' into a osgGA::EventVisitor pointer if Object is a osgGA::EventVisitor, otherwise return 0.
* Equivalent to dynamic_cast<osgGA::EventVisitor*>(this).*/
virtual osgGA::EventVisitor* asEventVisitor() { return 0; }
/** convert 'const this' into a const osgGA::EventVisitor pointer if Object is a osgGA::EventVisitor, otherwise return 0.
* Equivalent to dynamic_cast<const osgGA::EventVisitor*>(this).*/
virtual const osgGA::EventVisitor* asEventVisitor() const { return 0; }
/** Convert 'this' into a osgUtil::IntersectionVisitor pointer if Object is a IntersectionVisitor, otherwise return 0.
* Equivalent to dynamic_cast<osgUtil::IntersectionVisitor*>(this).*/
virtual osgUtil::IntersectionVisitor* asIntersectionVisitor() { return 0; }
/** convert 'const this' into a const osgUtil::IntersectionVisitor pointer if Object is a IntersectionVisitor, otherwise return 0.
* Equivalent to dynamic_cast<const osgUtil::IntersectionVisitor*>(this).*/
virtual const osgUtil::IntersectionVisitor* asIntersectionVisitor() const { return 0; }
/** Method to call to reset visitor. Useful if your visitor accumulates
state during a traversal, and you plan to reuse the visitor.