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4306387f69
* Faster rendering for renderableOrbitalKepler - Computes relevant vertices on CPU rather than filtering all vertices on the GPU - Removes geometry shader for trails rendering - Changed GUI name of RenderingMode "Points+Trails" to "Points and Trails"
137 lines
6.1 KiB
C++
137 lines
6.1 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2025 *
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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___RENDERABLEORBITALKEPLER___H__
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#define __OPENSPACE_MODULE_SPACE___RENDERABLEORBITALKEPLER___H__
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#include <openspace/rendering/renderable.h>
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#include <modules/base/rendering/renderabletrail.h>
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#include <modules/space/kepler.h>
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#include <modules/space/translation/keplertranslation.h>
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#include <openspace/properties/misc/stringproperty.h>
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#include <openspace/properties/scalar/uintproperty.h>
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#include <ghoul/glm.h>
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#include <ghoul/misc/objectmanager.h>
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#include <ghoul/opengl/programobject.h>
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namespace openspace {
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namespace documentation { struct Documentation; }
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class RenderableOrbitalKepler : public Renderable {
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public:
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explicit RenderableOrbitalKepler(const ghoul::Dictionary& dictionary);
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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 update(const UpdateData& data) 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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struct Appearance : properties::PropertyOwner {
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Appearance();
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/// Specifies the base color of the line/point
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properties::Vec3Property color;
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/// Line width for the line rendering part
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properties::FloatProperty trailWidth;
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/// Point size exponent for the point rendering part
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properties::FloatProperty pointSizeExponent;
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/// The option determining which rendering method to use
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properties::BoolProperty enableMaxSize;
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/// The option enables or disables Max Angular Size limit
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properties::FloatProperty maxSize;
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/// Max angular size between vector cameraToPoint and edge of the point
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properties::OptionProperty renderingModes;
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/// Specifies a multiplicative factor that fades out the trail line
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properties::FloatProperty trailFade;
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/// Specifies if the point outline should be enabled
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properties::BoolProperty enableOutline;
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/// Specifies the color of the point outline
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properties::Vec3Property outlineColor;
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/// Specifies how much if the point should be covered by the outline
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properties::FloatProperty outlineWidth;
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};
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void updateBuffers();
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void calculateSegmentsForPoints(const RenderData& data);
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void calculateSegmentsForTrails(const RenderData& data);
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bool _updateDataBuffersAtNextRender = false;
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long long _numObjects = 0;
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GLsizei _lineDrawCount = 0;
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properties::UIntProperty _segmentQuality;
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properties::UIntProperty _startRenderIdx;
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properties::UIntProperty _sizeRender;
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std::vector<GLint> _segmentSizeRaw;
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std::vector<GLint> _startIndexPoints;
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std::vector<GLint> _segmentSizePoints;
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std::vector<GLint> _startIndexTrails;
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std::vector<GLint> _segmentSizeTrails;
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std::vector<kepler::Parameters> _parameters;
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/// The layout of the VBOs
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struct TrailVBOLayout {
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float x = 0.f;
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float y = 0.f;
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float z = 0.f;
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float time = 0.f;
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double epoch = 0.0;
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double period = 0.0;
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};
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/// The backend storage for the vertex buffer object containing all points
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std::vector<TrailVBOLayout> _vertexBufferData;
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GLuint _vertexArray = 0;
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GLuint _vertexBuffer = 0;
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ghoul::opengl::ProgramObject* _trailProgram = nullptr;
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ghoul::opengl::ProgramObject* _pointProgram = nullptr;
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properties::StringProperty _path;
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properties::BoolProperty _contiguousMode;
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kepler::Format _format;
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RenderableOrbitalKepler::Appearance _appearance;
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// Line cache
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UniformCache(modelViewTransform, projectionTransform, trailFadeExponent,
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colorFadeCutoffValue, inGameTime, color, opacity)
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_uniformTrailCache;
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// Point cache
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UniformCache(modelTransform, viewTransform, projectionTransform,
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cameraPositionWorld, cameraUpWorld, inGameTime, color,
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pointSizeExponent, enableMaxSize, maxSize, enableOutline,
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outlineColor, outlineWeight, opacity)
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_uniformPointCache;
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};
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} // namespace openspace
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#endif // __OPENSPACE_MODULE_SPACE___RENDERABLEORBITALKEPLER___H__
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