View.h

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// Copyright © 2008-2024 Pioneer Developers. See AUTHORS.txt for details
// Licensed under the terms of the GPL v3. See licenses/GPL-3.txt
 
#ifndef _VIEW_H
#define _VIEW_H
 
#include "JsonFwd.h"
 
namespace Graphics {
    class Renderer;
}
 
/*
 * For whatever draws crap into the main area of the screen.
 * Eg:
 *  game 3d view
 *  system map
 *  sector map
 */
class View {
public:
    View();
    virtual ~View();
    virtual void Draw(){};
    // called before Gui::Draw will call widget ::Draw methods.
    virtual void Draw3D() = 0;
    // for checking key states, mouse crud
    virtual void Update() = 0;
    // Called during the pigui frame to draw UI
    virtual void DrawPiGui(){};
    virtual void SaveToJson(Json &jsonObj) {}
    virtual void LoadFromJson(const Json &jsonObj) {}
 
    void Attach();
    void Detach();
 
    void SetRenderer(Graphics::Renderer *r) { m_renderer = r; }
 
protected:
    virtual void OnSwitchTo() = 0;
    virtual void OnSwitchFrom() {}
    Graphics::Renderer *m_renderer;
};
 
#endif /* _VIEW_H */