FGFS-4.1/OpenSceneGraph
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Added support for shallow and deep copy of nodes, drawables and state, via a

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copy constructor which takes an optional Cloner object, and the old
osg::Object::clone() has changed so that it now requires a Cloner as paramter.
This is passed on to the copy constructor to help control the shallow vs
deep copying.  The old functionality of clone() which was clone of type has
been renamed to cloneType().

Updated all of the OSG to work with these new conventions, implemention all
the required copy constructors etc.  A couple of areas will do shallow
copies by design, a couple of other still need to be updated to do either
shallow or deep.

Neither of the shallow or deep copy operations have been tested yet, only
the old functionality of the OSG has been checked so far, such running the
viewer on various demo datasets.

Also fixed a problem in osg::Optimize::RemoveRendundentNodesVisitor which
was not checking that Group didn't have have any attached StateSet's, Callbacks
or UserData.  These checks have now been added, which fixes a bug which was
revealled by the new osgscribe demo, this related to removal of group acting
as state decorator.

method
This commit is contained in:
Robert Osfield
2002-01-28 21:17:01 +00:00
parent 7f65110322
commit f612924a45
74 changed files with 898 additions and 263 deletions
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3
include/osgUtil/RenderBin
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@@ -35,7 +35,8 @@ class OSGUTIL_EXPORT RenderBin : public osg::Object
RenderBin();
virtual osg::Object* clone() const { return new RenderBin(); }
virtual osg::Object* cloneType() const { return new RenderBin(); }
virtual osg::Object* clone(const osg::Cloner&) const { return new RenderBin(); } // note only implements a clone of type.
virtual bool isSameKindAs(const osg::Object* obj) const { return dynamic_cast<const RenderBin*>(obj)!=0L; }
virtual const char* className() const { return "RenderBin"; }

3
include/osgUtil/RenderStage
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@@ -28,7 +28,8 @@ class OSGUTIL_EXPORT RenderStage : public RenderBin
RenderStage();
virtual osg::Object* clone() const { return new RenderStage(); }
virtual osg::Object* cloneType(const osg::Cloner&) const { return new RenderStage(); }
virtual osg::Object* clone(const osg::Cloner&) const { return new RenderStage(); } // note only implements a clone of type.
virtual bool isSameKindAs(const osg::Object* obj) const { return dynamic_cast<const RenderStage*>(obj)!=0L; }
virtual const char* className() const { return "RenderStage"; }

3
include/osgUtil/RenderStageLighting
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@@ -23,7 +23,8 @@ class OSGUTIL_EXPORT RenderStageLighting : public osg::Object
RenderStageLighting();
virtual osg::Object* clone() const { return new RenderStageLighting(); }
virtual osg::Object* cloneType() const { return new RenderStageLighting(); }
virtual osg::Object* clone(const osg::Cloner&) const { return new RenderStageLighting(); } // note only implements a clone of type.
virtual bool isSameKindAs(const osg::Object* obj) const { return dynamic_cast<const RenderStageLighting*>(obj)!=0L; }
virtual const char* className() const { return "RenderStageLighting"; }

5
include/osgUtil/RenderToTextureStage
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@@ -20,7 +20,10 @@ class OSGUTIL_EXPORT RenderToTextureStage : public RenderStage
RenderToTextureStage();
virtual osg::Object* clone() const { return new RenderToTextureStage(); }
virtual osg::Object* cloneType() const { return new RenderToTextureStage(); }
virtual osg::Object* clone(const osg::Cloner&) const { return new RenderToTextureStage(); } // note only implements a clone of type.
virtual bool isSameKindAs(const osg::Object* obj) const { return dynamic_cast<const RenderToTextureStage*>(obj)!=0L; }
virtual const char* className() const { return "RenderToTextureStage"; }