OpenSpace/modules/newhorizons/rendering/renderablemodelprojection.h

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* OpenSpace                                                                             *
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* Copyright (c) 2014-2015                                                               *
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#ifndef __RENDERABLEMODELPROJECTION_H__
#define __RENDERABLEMODELPROJECTION_H__

#include <openspace/rendering/renderable.h>

#include <modules/newhorizons/util/imagesequencer.h>
#include <modules/newhorizons/util/labelparser.h>

#include <openspace/properties/stringproperty.h>
#include <openspace/util/updatestructures.h>
#include <modules/base/rendering/modelgeometry.h>

#include <ghoul/opengl/programobject.h>
#include <ghoul/opengl/texture.h>

namespace openspace {

	namespace modelgeometry {
		class ModelGeometry;
	}

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

		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();

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

		void textureBind();
		void project();

		properties::StringProperty _colorTexturePath;
		properties::BoolProperty _performProjection;

		properties::IntProperty _rotationX;
		properties::IntProperty _rotationY;
		properties::IntProperty _rotationZ;

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

		ghoul::opengl::Texture* _texture;
		ghoul::opengl::Texture* _textureOriginal;
		ghoul::opengl::Texture* _textureProj;
		ghoul::opengl::Texture* _textureWhiteSquare;

		modelgeometry::ModelGeometry* _geometry;

		float _alpha;
		glm::dmat3 _stateMatrix;
		glm::dmat3 _instrumentMatrix;

		properties::StringProperty  _projectionTexturePath;
		std::string _defaultProjImage;
		std::string _source;
		std::string _destination;
		std::string _target;

		// sequence loading
		std::string _sequenceSource;
		std::string _sequenceType;

		// projection mod info
		std::string _instrumentID;
		std::string _projectorID;
		std::string _projecteeID;
		std::string _aberration;
		std::vector<std::string> _potentialTargets;
		float _fovy;
		float _aspectRatio;
		float _nearPlane;
		float _farPlane;

		// uniforms
		glm::vec2  _camScaling;
		glm::vec3  _up;
		glm::mat4  _transform;
		glm::mat4  _viewProjection;
		glm::mat4  _projectorMatrix;
		glm::vec3  _boresight;

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

		GLuint _vbo;
		GLuint _ibo;
		GLuint _vaoID;
		std::vector<modelgeometry::ModelGeometry::Vertex> _geometryVertecies;
		std::vector<int> _geometryIndeces;

		std::vector<Image> _imageTimes;
		int _frameCount;
		double _time;

		bool _capture;

		psc _sunPosition;

		properties::BoolProperty _performShading;
		bool _programIsDirty;
	};

}  // namespace openspace

#endif  // __RENDERABLEMODELPROJECTION_H__