OpenSpace/modules/newhorizons/rendering/renderableplanetprojection.h

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* OpenSpace                                                                             *
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* Copyright (c) 2014                                                                    *
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#ifndef __RENDERABLEPLANETPROJECTION_H__
#define __RENDERABLEPLANETPROJECTION_H__

#include <ghoul/opengl/textureunit.h>

// open space includes
#include <openspace/rendering/renderable.h>
#include <openspace/util/imagesequencer2.h>

#include <openspace/util/sequenceparser.h>
#include <openspace/util/hongkangparser.h>
#include <openspace/util/labelparser.h>
#include <openspace/util/decoder.h>


#include <openspace/properties/stringproperty.h>
#include <openspace/properties/triggerproperty.h>
#include <openspace/util/updatestructures.h>

#include <ghoul/opengl/framebufferobject.h>

// ghoul includes
#include <ghoul/opengl/programobject.h>
#include <ghoul/opengl/texture.h>
#include <openspace/query/query.h>

namespace openspace {

namespace planetgeometryprojection {
class PlanetGeometryProjection;
}


class RenderablePlanetProjection : public Renderable {
public:
	RenderablePlanetProjection(const ghoul::Dictionary& dictionary);
	~RenderablePlanetProjection();

    bool initialize() override;
    bool deinitialize() override;
	bool isReady() const override;


	void render(const RenderData& data) override;
    void update(const UpdateData& data) override;

protected:

    void loadTexture();
	void loadProjectionTexture();
	bool auxiliaryRendertarget();
	glm::mat4 computeProjectorMatrix(const glm::vec3 loc, glm::dvec3 aim, const glm::vec3 up);
	void attitudeParameters(double time);

	void textureBind();
	void project();
	void clearAllProjections();
private:
	void imageProjectGPU();

	std::map<std::string, Decoder*> _fileTranslation;

    properties::StringProperty  _colorTexturePath;
	properties::StringProperty  _projectionTexturePath;
	properties::IntProperty _rotation;
	properties::FloatProperty _fadeProjection;
	properties::BoolProperty _performProjection;
	properties::BoolProperty _clearAllProjections;


    ghoul::opengl::ProgramObject* _programObject;
	ghoul::opengl::ProgramObject* _fboProgramObject;

    ghoul::opengl::Texture* _texture;
	ghoul::opengl::Texture* _textureOriginal;
	ghoul::opengl::Texture* _textureProj;
	ghoul::opengl::Texture* _textureWhiteSquare;
	planetgeometryprojection::PlanetGeometryProjection* _geometry;
	
	glm::vec2  _camScaling;
	glm::vec3  _up;
	glm::mat4  _transform;
	glm::mat4  _projectorMatrix;

	//sequenceloading
	std::string _sequenceSource;
	std::string _sequenceType;
	bool _foundSequence;

	// spice
	std::string _instrumentID;
	std::string _projectorID;
	std::string _projecteeID;
	std::string _aberration;
    std::vector<std::string> _potentialTargets; // @TODO copy-n-paste from renderablefov


	float _fovy;
	float _aspectRatio;
	float _nearPlane;
	float _farPlane;

	glm::dmat3 _stateMatrix;
	glm::dmat3 _instrumentMatrix;
	glm::vec3  _boresight;

	double _time;
	double _previousTime;
	double _previousCapture;
	double lightTime;

	std::vector<Image> _imageTimes;
	int _sequenceID;

	std::string _target;
	std::string _frame;
	std::string _defaultProjImage;
	std::string _clearingImage;
	std::string _next;

	bool _capture;

	// FBO stuff
	GLuint _fboID;
	GLuint _quad;
	GLuint _vertexPositionBuffer;

};
}  // namespace openspace

#endif  // __RENDERABLEPLANETPROJECTION_H__