OpenSpace/modules/globebrowsing/globes/renderableglobe.h

/*****************************************************************************************
*                                                                                       *
* OpenSpace                                                                             *
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* Copyright (c) 2014-2016                                                               *
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#ifndef __RENDERABLEGLOBE_H__
#define __RENDERABLEGLOBE_H__

#include <ghoul/logging/logmanager.h>
#include <ghoul/misc/threadpool.h>

#include <openspace/rendering/renderable.h>
#include <openspace/properties/propertyowner.h>
#include <openspace/properties/stringproperty.h>
#include <openspace/properties/optionproperty.h>
#include <openspace/properties/selectionproperty.h>
#include <openspace/util/updatestructures.h>

#include <modules/globebrowsing/meshes/trianglesoup.h>
#include <modules/globebrowsing/geometry/ellipsoid.h>
#include <modules/globebrowsing/layered_rendering/layeredtextures.h>
#include <modules/globebrowsing/other/distanceswitch.h>

#include <unordered_map>

namespace openspace {

class ChunkedLodGlobe;
class TileProviderManager;

class SingleTexturePropertyOwner : public properties::PropertyOwner
{
public:
    SingleTexturePropertyOwner(std::string name);
    ~SingleTexturePropertyOwner();

    properties::BoolProperty isEnabled;
};

class LayeredCategoryPropertyOwner : public properties::PropertyOwner
{
public:
    LayeredCategoryPropertyOwner(
        LayeredTextures::TextureCategory category,
        TileProviderManager& tileProviderManager);
    ~LayeredCategoryPropertyOwner();
private:
    TileProviderManager& _tileProviderManager;
    std::vector<std::unique_ptr<SingleTexturePropertyOwner> >
        _texturePropertyOwners;
    properties::BoolProperty _levelBlendingEnabled;
};

class RenderableGlobe : public Renderable {
public:
    struct DebugProperties {
        properties::BoolProperty saveOrThrowCamera;
        properties::BoolProperty showChunkEdges;
        properties::BoolProperty showChunkBounds;
        properties::BoolProperty showChunkAABB;
        properties::BoolProperty showHeightResolution;
        properties::BoolProperty showHeightIntensities;
        properties::BoolProperty performFrustumCulling;
        properties::BoolProperty performHorizonCulling;
        properties::BoolProperty levelByProjectedAreaElseDistance;
        properties::BoolProperty resetTileProviders;
        properties::BoolProperty toggleEnabledEveryFrame;
    };
    
    struct GeneralProperties {
        properties::BoolProperty isEnabled;
        properties::BoolProperty performShading;
        properties::BoolProperty atmosphereEnabled;
        properties::FloatProperty lodScaleFactor;
        properties::FloatProperty cameraMinHeight;
    };
    
    RenderableGlobe(const ghoul::Dictionary& dictionary);
    ~RenderableGlobe();

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

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

    // Getters that perform calculations
    glm::dvec3 projectOnEllipsoid(glm::dvec3 position);
    float getHeight(glm::dvec3 position);
    
    // Getters
    std::shared_ptr<ChunkedLodGlobe> chunkedLodGlobe() const;
    const Ellipsoid& ellipsoid() const;
    const glm::dmat4& modelTransform() const;
    const glm::dmat4& inverseModelTransform() const;
    const DebugProperties& debugProperties() const;
    const GeneralProperties& generalProperties() const;
    const std::shared_ptr<const Camera> savedCamera() const;

    double interactionDepthBelowEllipsoid();

    // Setters
    void setSaveCamera(std::shared_ptr<Camera> camera);    
private:
    std::shared_ptr<ChunkedLodGlobe> _chunkedLodGlobe;
    Ellipsoid _ellipsoid;
    std::shared_ptr<TileProviderManager> _tileProviderManager;
    DistanceSwitch _distanceSwitch;
    std::shared_ptr<Camera> _savedCamera;
    
    double _interactionDepthBelowEllipsoid;
    std::string _frame;
    double _time;

    glm::dmat4 _cachedModelTransform;
    glm::dmat4 _cachedInverseModelTransform;

    // Properties
    DebugProperties _debugProperties;
    GeneralProperties _generalProperties;

    properties::PropertyOwner _debugPropertyOwner;
    properties::PropertyOwner _texturePropertyOwner;
    
    std::vector<std::unique_ptr<LayeredCategoryPropertyOwner> > _textureProperties;
};

}  // namespace openspace

#endif  // __RENDERABLEGLOBE_H__