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OpenSpace/modules/globebrowsing/chunk/chunk.h
2016-06-14 21:42:44 -04:00

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3.5 KiB
C++

/*****************************************************************************************
* *
* OpenSpace *
* *
* Copyright (c) 2014-2016 *
* *
* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
* software and associated documentation files (the "Software"), to deal in the Software *
* without restriction, including without limitation the rights to use, copy, modify, *
* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
* permit persons to whom the Software is furnished to do so, subject to the following *
* conditions: *
* *
* The above copyright notice and this permission notice shall be included in all copies *
* or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
****************************************************************************************/
#ifndef __CHUNK_H__
#define __CHUNK_H__
#include <glm/glm.hpp>
#include <vector>
#include <memory>
#include <ostream>
#include <modules/globebrowsing/chunk/culling.h>
#include <modules/globebrowsing/chunk/chunkindex.h>
#include <modules/globebrowsing/chunk/chunklevelevaluator.h>
#include <modules/globebrowsing/geometry/geodetic2.h>
#include <modules/globebrowsing/geometry/angle.h>
namespace openspace {
class ChunkedLodGlobe;
class Chunk {
public:
struct BoundingHeights {
float min, max;
bool available;
};
enum class Status {
DO_NOTHING,
WANT_MERGE,
WANT_SPLIT,
};
Chunk(ChunkedLodGlobe* owner, const ChunkIndex& chunkIndex, bool initVisible = true);
/// Updates chunk internally and returns a desired level
Status update(const RenderData& data);
void render(const RenderData& data) const;
std::vector<glm::dvec4> getBoundingPolyhedronCorners() const;
const GeodeticPatch& surfacePatch() const;
ChunkedLodGlobe* const owner() const;
const ChunkIndex index() const;
bool isVisible() const;
BoundingHeights getBoundingHeights() const;
void setIndex(const ChunkIndex& index);
void setOwner(ChunkedLodGlobe* newOwner);
private:
ChunkedLodGlobe* _owner;
ChunkIndex _index;
bool _isVisible;
GeodeticPatch _surfacePatch;
};
}
#endif // __CHUNK_H__