BaseSphere.h

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// Copyright © 2008-2023 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
 
#ifndef _BASESPHERE_H
#define _BASESPHERE_H
 
#include "Camera.h"
#include "galaxy/AtmosphereParameters.h"
#include "graphics/Material.h"
#include "terrain/Terrain.h"
#include "vector3.h"
 
namespace Graphics {
    class Renderer;
    class RenderState;
    namespace Drawables {
        class Sphere3D;
    }
} // namespace Graphics
 
class BaseSphere {
public:
    BaseSphere(const SystemBody *body);
    virtual ~BaseSphere();
 
    virtual void Update() = 0;
    virtual void Render(Graphics::Renderer *renderer, const matrix4x4d &modelView, vector3d campos, const float radius, const std::vector<Camera::Shadow> &shadows) = 0;
 
    virtual double GetHeight(const vector3d &p) const { return 0.0; }
 
    static void Init();
    static void Uninit();
    static void UpdateAllBaseSphereDerivatives();
    static void OnChangeDetailLevel();
 
    void DrawAtmosphereSurface(Graphics::Renderer *renderer,
        const matrix4x4d &modelView, const vector3d &campos, float rad,
        RefCountedPtr<Graphics::Material> mat);
 
    // in sbody radii
    virtual double GetMaxFeatureHeight() const = 0;
 
    virtual void Reset() = 0;
 
    const SystemBody *GetSystemBody() const { return m_sbody; }
    Terrain *GetTerrain() const { return m_terrain.Get(); }
 
    RefCountedPtr<Graphics::Material> GetSurfaceMaterial() const { return m_surfaceMaterial; }
 
protected:
    const SystemBody *m_sbody;
 
    // all variables for GetHeight(), GetColor()
    RefCountedPtr<Terrain> m_terrain;
 
    virtual void SetUpMaterials() = 0;
 
    RefCountedPtr<Graphics::Material> m_surfaceMaterial;
    RefCountedPtr<Graphics::Material> m_atmosphereMaterial;
 
    // set up shader data for this geosphere's atmosphere
    void SetMaterialParameters(const matrix4x4d &t, const float r, const std::vector<Camera::Shadow> &s, const AtmosphereParameters &ap);
 
    // atmosphere geometry
    std::unique_ptr<Graphics::Drawables::Sphere3D> m_atmos;
};
 
#endif /* _GEOSPHERE_H */