ThorstenB
b4f5eaa541
Priorities during forced model loads won't work unless using current framestamps...
70 lines
1.9 KiB
C++
70 lines
1.9 KiB
C++
// Copyright (C) 2008 Till Busch buti@bux.at
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#ifndef CHECKSCENERYVISITOR_HXX
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#define CHECKSCENERYVISITOR_HXX
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#include <osg/NodeVisitor>
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#include <osg/fast_back_stack>
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namespace osgDB {
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class DatabasePager;
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}
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namespace simgear
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{
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class SGPagedLOD;
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// Checks the scene graph for SGPagedLODs that are within range
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// (compared to postion) and injects them into the DatabasePager.
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// After visiting, isLoaded() returns true if all models in range
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// are available.
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class CheckSceneryVisitor : public osg::NodeVisitor
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{
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public:
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CheckSceneryVisitor(osgDB::DatabasePager* dbp, const osg::Vec3 &position, double range, osg::FrameStamp* framestamp);
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virtual void apply(osg::Node& node);
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virtual void apply(osg::PagedLOD& node);
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virtual void apply(osg::Transform& node);
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bool isLoaded() const {
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return _loaded;
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}
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void setLoaded(bool l) {
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_loaded=l;
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}
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const osg::Vec3 &getPosition() const {
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return _position;
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}
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private:
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osg::Vec3 _position;
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double _range;
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bool _loaded;
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osgDB::DatabasePager* _dbp;
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osg::FrameStamp* _framestamp;
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osg::fast_back_stack<osg::Matrix> _viewMatrices;
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};
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}
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#endif
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