def74d3471
handle scenes with multiple views with elements that need coordinating on a per view basis. Added beginings of new osgText::FadeText class (not functionality yet).
82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This application is open source and may be redistributed and/or modified
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* freely and without restriction, both in commericial and non commericial
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* applications, as long as this copyright notice is maintained.
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*
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* This application is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#include <osg/StateAttribute>
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#include <osg/StateSet>
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#include <osg/State>
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#include <osg/Notify>
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#include <algorithm>
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using namespace osg;
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void StateAttribute::addParent(osg::StateSet* object)
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{
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_parents.push_back(object);
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}
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void StateAttribute::removeParent(osg::StateSet* object)
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{
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ParentList::iterator pitr = std::find(_parents.begin(),_parents.end(),object);
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if (pitr!=_parents.end()) _parents.erase(pitr);
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}
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void StateAttribute::setUpdateCallback(Callback* uc)
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{
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osg::notify(osg::INFO)<<"StateAttribute::Setting Update callbacks"<<std::endl;
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if (_updateCallback==uc) return;
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int delta = 0;
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if (_updateCallback.valid()) --delta;
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if (uc) ++delta;
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_updateCallback = uc;
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if (delta!=0)
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{
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osg::notify(osg::INFO)<<"Going to set StateAttribute parents"<<std::endl;
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for(ParentList::iterator itr=_parents.begin();
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itr!=_parents.end();
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++itr)
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{
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osg::notify(osg::INFO)<<" Setting StateAttribute parent"<<std::endl;
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(*itr)->setNumChildrenRequiringUpdateTraversal((*itr)->getNumChildrenRequiringUpdateTraversal()+delta);
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}
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}
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}
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void StateAttribute::setEventCallback(Callback* ec)
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{
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osg::notify(osg::INFO)<<"StateAttribute::Setting Event callbacks"<<std::endl;
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if (_eventCallback==ec) return;
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int delta = 0;
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if (_eventCallback.valid()) --delta;
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if (ec) ++delta;
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_eventCallback = ec;
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if (delta!=0)
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{
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for(ParentList::iterator itr=_parents.begin();
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itr!=_parents.end();
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++itr)
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{
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(*itr)->setNumChildrenRequiringEventTraversal((*itr)->getNumChildrenRequiringEventTraversal()+delta);
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}
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}
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}
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