mirror of
https://github.com/OpenSpace/OpenSpace.git
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95 lines
3.4 KiB
C++
95 lines
3.4 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2016 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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#ifndef __QUADTREE_H__
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#define __QUADTREE_H__
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#include <glm/glm.hpp>
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#include <vector>
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#include <stack>
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#include <memory>
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#include <ostream>
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#include <modules/globebrowsing/chunk/chunkindex.h>
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#include <modules/globebrowsing/chunk/chunk.h>
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#include <modules/globebrowsing/chunk/chunkrenderer.h>
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#include <modules/globebrowsing/geometry/geodetic2.h>
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#include <functional>
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// forward declaration
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namespace openspace {
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class ChunkedLodGlobe;
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}
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namespace openspace {
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class ChunkNode {
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public:
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ChunkNode(const Chunk& chunk, ChunkNode* parent = nullptr);
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~ChunkNode();
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void split(int depth = 1);
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void merge();
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bool isRoot() const;
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bool isLeaf() const;
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void depthFirst(const std::function<void(const ChunkNode&)>& f) const;
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void breadthFirst(const std::function<void(const ChunkNode&)>& f) const;
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void reverseBreadthFirst(const std::function<void(const ChunkNode&)>& f) const;
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const ChunkNode& find(const Geodetic2& location) const;
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ChunkNode& find(const Geodetic2& location);
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const ChunkNode& getChild(Quad quad) const;
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ChunkNode& getChild(Quad quad);
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const Chunk& getChunk() const;
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bool updateChunkTree(const RenderData& data);
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static int chunkNodeCount;
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private:
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ChunkNode* _parent;
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std::unique_ptr<ChunkNode> _children[4];
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Chunk _chunk;
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};
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} // namespace openspace
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#endif // __QUADTREE_H__
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