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OpenSpace/modules/base/rendering/renderablestars.h
2016-02-05 17:43:21 +01:00

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3.7 KiB
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/*****************************************************************************************
* *
* 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 __RENDERABLESTARS_H__
#define __RENDERABLESTARS_H__
#include <openspace/rendering/renderable.h>
#include <openspace/properties/stringproperty.h>
#include <openspace/properties/optionproperty.h>
#include <openspace/properties/vectorproperty.h>
#include <ghoul/opengl/programobject.h>
#include <ghoul/opengl/texture.h>
namespace openspace {
class RenderableStars : public Renderable {
public:
RenderableStars(const ghoul::Dictionary& dictionary);
~RenderableStars();
bool initialize() override;
bool deinitialize() override;
bool isReady() const override;
void render(const RenderData& data) override;
void update(const UpdateData& data) override;
private:
enum ColorOption {
Color = 0,
Velocity = 1,
Speed = 2
};
void createDataSlice(ColorOption option);
bool loadData();
bool readSpeckFile();
bool loadCachedFile(const std::string& file);
bool saveCachedFile(const std::string& file) const;
properties::StringProperty _pointSpreadFunctionTexturePath;
std::unique_ptr<ghoul::opengl::Texture> _pointSpreadFunctionTexture;
bool _pointSpreadFunctionTextureIsDirty;
properties::StringProperty _colorTexturePath;
std::unique_ptr<ghoul::opengl::Texture> _colorTexture;
bool _colorTextureIsDirty;
properties::OptionProperty _colorOption;
bool _dataIsDirty;
properties::FloatProperty _scaleFactor;
properties::FloatProperty _minBillboardSize;
std::unique_ptr<ghoul::opengl::ProgramObject> _program;
std::string _speckFile;
std::vector<float> _slicedData;
std::vector<float> _fullData;
int _nValuesPerStar;
GLuint _vao;
GLuint _vbo;
};
} // namespace openspace
#endif // __RENDERABLESTARS_H__