renderengine.h

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#ifndef __RENDERENGINE_H
#define __RENDERENGINE_H

#include <gtk/gtk.h>
#include <gtk/gtkgl.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include <glib.h>
#include "../drawing/drawableobject.h"
#include "../positions/position.h"
#include "../trees/filesystem.h"

#include <vector>
using namespace std;


class RenderEngine
{
public:
        RenderEngine(int argc, char *argv[]);
        ~RenderEngine();

        GtkWidget* getDrawingArea();

        void render();
        void renderSelect();

        void increment();

        void incrementXAngle();
        void incrementCameraAngle();
        void decrementCameraAngle();
        void incrementXCenter();
        void decrementXCenter();
        void incrementYCenter();
        void decrementYCenter();
        void incrementZCenter();
        void decrementZCenter();
        void zoomCameraIn();
        void zoomCameraOut();

        void setupView();
        void setupGlobalMatrix();
        void setupModes();

        void setupSelectView(GLdouble x, GLdouble y, GLint theViewport[]);
        int* processHits(GLint hits, GLuint buffer[]);

        friend gboolean button_press_event(GtkWidget *widget, GdkEventButton *event, gpointer data);

private:
        // GTK Data
        GtkWidget *drawingArea;         
        GdkGLConfig *glconfig;          

        // camera data
        GLfloat xSpeed;                 
        GLfloat xAngle;
        GLfloat cameraAngle;            
        GLfloat cameraAngleSpeed;
        GLfloat xCenter;                
        GLfloat yCenter;                
        GLfloat zCenter;                
        GLfloat cameraOffset;           

        // rotation center
        Position *rotationCenter;       

        // object vectors
        vector<DrawableObject*> *normal;                
        vector<DrawableObject*> *selectionCubes;        
        vector<DrawableObject*> *notDrawn;              
        vector<DrawableObject*> *highlight;             

        // handles fs type stuff
        FileSystem theFs;       
};

#endif

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