flightgear/utils/fgai/AIBVHPager.hxx

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2022-10-20 20:29:11 +08:00
// Copyright (C) 2009 - 2012 Mathias Froehlich - Mathias.Froehlich@web.de
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
#ifndef _AIBVHPAGER_HXX
#define _AIBVHPAGER_HXX
#include <string>
#include <simgear/bvh/BVHNode.hxx>
#include <simgear/bvh/BVHPager.hxx>
namespace fgai {
class AIBVHPager : public simgear::BVHPager {
public:
AIBVHPager();
~AIBVHPager();
/// Load the flightgear scenery into the pager
void setScenery(const std::string& fg_root, const std::string& fg_scenery);
/// Get a bounding volume subtree contained in sphere.
/// This is similar to the not so well known ground cache.
SGSharedPtr<simgear::BVHNode> getBoundingVolumes(const SGSphered& sphere);
private:
class ReadFileCallback;
class SubTreeCollector;
/// The possibly paged root node
SGSharedPtr<simgear::BVHNode> _node;
};
} // namespace fgai
#endif