GasGiant.h

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// Copyright © 2008-2021 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
 
#ifndef _GASGIANT_H
#define _GASGIANT_H
 
#include "BaseSphere.h"
#include "GasGiantJobs.h"
#include "JobQueue.h"
#include "vector3.h"
 
#include <deque>
 
namespace Graphics {
    class Renderer;
    class RenderState;
    class RenderTarget;
    class Texture;
}
 
class SystemBody;
class GasGiant;
class GasPatch;
class GasPatchContext;
class Camera;
 
namespace {
    class STextureFaceResult;
    class SGPUGenResult;
} // namespace
 
#define NUM_PATCHES 6
 
class GasGiant : public BaseSphere {
public:
    GasGiant(const SystemBody *body);
    virtual ~GasGiant();
 
    virtual void Update() override;
    virtual void Render(Graphics::Renderer *renderer, const matrix4x4d &modelView, vector3d campos, const float radius, const std::vector<Camera::Shadow> &shadows) override;
 
    virtual double GetHeight(const vector3d &p) const override final { return 0.0; }
 
    // in sbody radii
    virtual double GetMaxFeatureHeight() const override { return 0.0; }
 
    virtual void Reset() override;
 
    static bool OnAddTextureFaceResult(const SystemPath &path, GasGiantJobs::STextureFaceResult *res);
    static bool OnAddGPUGenResult(const SystemPath &path, GasGiantJobs::SGPUGenResult *res);
    static void Init();
    static void Uninit();
    static void UpdateAllGasGiants();
    static void OnChangeDetailLevel();
 
    static void CreateRenderTarget(const Uint16 width, const Uint16 height);
    static void SetRenderTargetCubemap(const Uint32, Graphics::Texture *, const bool unBind = true);
    static void BeginRenderTarget();
    static void EndRenderTarget();
 
private:
    void BuildFirstPatches();
    void GenerateTexture();
    bool AddTextureFaceResult(GasGiantJobs::STextureFaceResult *res);
    bool AddGPUGenResult(GasGiantJobs::SGPUGenResult *res);
 
    static RefCountedPtr<GasPatchContext> s_patchContext;
 
    static Graphics::RenderTarget *s_renderTarget;
    static Graphics::RenderState *s_quadRenderState;
 
    std::unique_ptr<GasPatch> m_patches[NUM_PATCHES];
 
    bool m_hasTempCampos;
    vector3d m_tempCampos;
 
    virtual void SetUpMaterials() override;
    RefCountedPtr<Graphics::Texture> m_surfaceTextureSmall;
    RefCountedPtr<Graphics::Texture> m_surfaceTexture;
    RefCountedPtr<Graphics::Texture> m_builtTexture;
 
    std::unique_ptr<Color[]> m_jobColorBuffers[NUM_PATCHES];
    Job::Handle m_job[NUM_PATCHES];
    bool m_hasJobRequest[NUM_PATCHES];
 
    Job::Handle m_gpuJob;
    bool m_hasGpuJobRequest;
 
    float m_timeDelay;
};
 
#endif /* _GASGIANT_H */