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109 lines
4.8 KiB
C++
109 lines
4.8 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2023 *
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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 __OPENSPACE_MODULE_SPACE___RENDERABLECONSTELLATIONBOUNDS___H__
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#define __OPENSPACE_MODULE_SPACE___RENDERABLECONSTELLATIONBOUNDS___H__
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#include <modules/space/rendering/renderableconstellationsbase.h>
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namespace ghoul::opengl { class ProgramObject; }
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namespace openspace {
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namespace documentation { struct Documentation; }
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/**
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* This class renders the constellation bounds as defined in
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* http://cdsarc.u-strasbg.fr/viz-bin/Cat?cat=VI%2F49. It contains the bounds on the
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* celestial sky for the different constellations and is used to determine in which region
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* of the sky a specific object is located.
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* The bounds are drawn as lines on a sphere with variable radius, set by the
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* `_distance` property. Currently, all constellation bounds are lines, which
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* leads to artifacts if the radius is very small.
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*/
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class RenderableConstellationBounds : public RenderableConstellationsBase {
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public:
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RenderableConstellationBounds(const ghoul::Dictionary& dictionary);
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void initialize() override;
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void initializeGL() override;
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void deinitializeGL() override;
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bool isReady() const override;
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void render(const RenderData& data, RendererTasks& rendererTask) override;
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static documentation::Documentation Documentation();
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private:
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/// Stores the constellation bounds
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struct ConstellationBound {
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std::string constellationAbbreviation; ///< The abbreviation of the constellation
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std::string constellationFullName;
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bool isEnabled = false;
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GLsizei startIndex; ///< The index of the first vertex describing the bounds
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GLsizei nVertices; ///< The number of vertices describing the bounds
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};
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/**
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* Loads the file specified in _vertexFilename and fills the _constellationBounds
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* variable, as well as the _vertexValues list. If this method fails, the content of
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* either destination is undefined.
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*
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* \return `true` if the loading succeeded, `false` otherwise
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*/
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bool loadVertexFile();
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bool loadData();
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/**
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* Callback method that gets triggered when `_constellationSelection` changes.
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*/
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void selectionPropertyHasChanged() override;
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/// The filename containing the constellation bounds
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properties::StringProperty _vertexFilename;
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/// Determines the color of the constellation lines
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properties::Vec3Property _color;
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/// The list of all loaded constellation bounds
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std::vector<ConstellationBound> _constellationBounds;
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std::unique_ptr<ghoul::opengl::ProgramObject> _program;
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struct Vertex {
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float x;
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float y;
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float z;
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};
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std::vector<Vertex> _vertexValues; ///< A list of all vertices of all bounds
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GLuint _vao = 0;
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GLuint _vbo = 0;
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};
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} // namespace openspace
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#endif // __OPENSPACE_MODULE_SPACE___RENDERABLECONSTELLATIONBOUNDS___H__
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