EnkiViewer.h

#ifndef __ENKI_VIEWER_H
#define __ENKI_VIEWER_H

#ifdef HAVE_VIEWER

#include <string>

#include <ishtar/settings.h>
#include <enki/PhysicalEngine.h>

#include "videorec.h"

#include "../libgag/GAG.h"

namespace Enki
{
    class Alice;
}

class Viewer
{
protected:
    GAG::GraphicContext *gc; 
    GAG::Font *font; 
    unsigned eventStep; 
    unsigned delayStartTick; 
    bool displayAll; 
    #ifdef HAVE_AVCODEC
    VideoRecorder *vrec; 
    #endif

    int width, height;
    
    Ishtar::Variable<unsigned> realtime; 
    Ishtar::Variable<std::string, true> fontFileName; 
    
    virtual void displayViewer(int w, int h) = 0;

public:
    Viewer(bool recVideo = false);
    virtual ~Viewer();
    
    void init(int width, int height);
    void step(double dt);
    
    void handleEvent(bool eachStep = false);
    void startRecordingVideo(const std::string &fileName);
    void stopRecordingVideo(void);
    void display(bool force = false);
    void setCaption(const std::string &caption);
    void startDelayFrame(void);
    void endDelayFrame(double dt);
};

class EnkiViewer : public Viewer
{
protected:
    const Enki::World *world; 
    
    Ishtar::Variable<double> scale; 
    int sideBarWidth; 
    
public:
    EnkiViewer(const Enki::World *w, bool recVideo = false, int sideBarWidth = 0);
    virtual ~EnkiViewer() { }

protected:
    virtual void displayViewer(int w, int h);
    virtual void displayWorld(int x, int y, int w, int h);
    virtual void displaySideBar(int x, int y, int w, int h);
    // not Antoine's hack!
    void drawIRSensors (int bottom, const Enki::Alice *owner, int which);
    void drawCameraRays(int bottom, const Enki::Alice *owner);

};

class VisionEnkiViewer : public EnkiViewer
{
public:
    VisionEnkiViewer(const Enki::World *w, bool recVideo = false, int sideBarWidth = 268) : EnkiViewer(w, recVideo, sideBarWidth) { }
    virtual ~VisionEnkiViewer() { };
    
protected:
    virtual void displaySideBar(int x, int y, int w, int h);
    void drawIRSensor(double dx, double dy, double angle, int bottom, const Enki::PhysicalObject &owner);
};

#endif // HAVE_VIEWER

#endif 

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