123 lines
3.0 KiB
C++
123 lines
3.0 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2005 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library 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. See the
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* OpenSceneGraph Public License for more details.
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*/
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#include <osg/ProxyNode>
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#include <osg/CullStack>
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#include <osg/Notify>
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using namespace osg;
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ProxyNode::ProxyNode() :
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_centerMode(USER_DEFINED_CENTER),
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_radius(-1)
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{
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}
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ProxyNode::ProxyNode(const ProxyNode& proxynode,const CopyOp& copyop):
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Group(proxynode,copyop),
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_filenameList(proxynode._filenameList),
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_centerMode(proxynode._centerMode),
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_userDefinedCenter(proxynode._userDefinedCenter),
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_radius(proxynode._radius)
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{
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}
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void ProxyNode::setDatabasePath(const std::string& path)
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{
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_databasePath = path;
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if (!_databasePath.empty())
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{
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char& lastCharacter = _databasePath[_databasePath.size()-1];
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const char unixSlash = '/';
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const char winSlash = '\\';
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if (lastCharacter==winSlash)
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{
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lastCharacter = unixSlash;
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}
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else if (lastCharacter!=unixSlash)
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{
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_databasePath += unixSlash;
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}
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}
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}
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void ProxyNode::traverse(NodeVisitor& nv)
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{
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if (_filenameList.size()>_children.size() && nv.getVisitorType()==NodeVisitor::CULL_VISITOR)
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{
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for(unsigned int i=_children.size(); i<_filenameList.size(); ++i)
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{
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nv.getDatabaseRequestHandler()->requestNodeFile(_databasePath+_filenameList[i], this, 1.0f, nv.getFrameStamp());
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}
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}
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else
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{
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Group::traverse(nv);
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}
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}
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void ProxyNode::expandFileNameListTo(unsigned int pos)
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{
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if (pos>=_filenameList.size()) _filenameList.resize(pos+1);
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}
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bool ProxyNode::addChild( Node *child )
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{
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if (Group::addChild(child))
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{
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expandFileNameListTo(_children.size()-1);
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return true;
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}
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return false;
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}
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bool ProxyNode::addChild(Node *child, const std::string& filename)
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{
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if (Group::addChild(child))
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{
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setFileName(_children.size()-1,filename);
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return true;
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}
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return false;
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}
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bool ProxyNode::removeChild( Node *child )
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{
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// find the child's position.
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unsigned int pos=getChildIndex(child);
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if (pos==_children.size()) return false;
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if (pos<_filenameList.size()) _filenameList.erase(_filenameList.begin()+pos);
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return Group::removeChild(child);
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}
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bool ProxyNode::computeBound() const
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{
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if (_centerMode==USER_DEFINED_CENTER && _radius>=0.0f)
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{
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_bsphere._center = _userDefinedCenter;
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_bsphere._radius = _radius;
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_bsphere_computed = true;
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return true;
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}
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else
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{
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return Group::computeBound();
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}
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}
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