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[lsystem3d.git] / src / openglwindow.h

// Copyright (C) 2006 Erik Dahlberg
// 
// This file is part of LSystem3d.
// 
// LSystem3D is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
// 
// LSystem3D is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with LSystem3D; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA




#ifndef OPENGLWINDOW_H
#define OPENGLWINDOW_H

#include <string>
#include <vector>

#include <glui.h>

#include "lindenmayersystem.h"
#include "lsystemparameters.h"
#include "model.h"

using namespace std;



/**
 * OpenGL drawing context
 */
class OpenGLWindow
{
public:
    /**
     * Constructor
     */
    OpenGLWindow();

    /**
     * Destructor
     */
    ~OpenGLWindow();
    
    /**
     * Start generation of l-system data
     */
    void generate();
    
    /**
     * Move camera left
     */
    void left();
    
    /**
     * Move camera right
     */
    void right();
    
    /**
     * Move camera up
     */
    void up();
    
    /**
     * Move camera down
     */
    void down();
    
    /**
     * Move camera forth
     */
    void forth();
    
    /**
     * Move camera back
     */
    void back();
    
    /**
     * Zoom in
     */
    void zoomIn();
            
    /**
     * Zoom out
     */
    void zoomOut();
    
    /**
     * Rotate around y-axis
     */
    void rotateY();
    
    /**
     * Draw l-system model to screen
     */
    void draw();
    
    /**
     * Reset to default view
     */
    void defaultView();
    
    /**
     * Check if live mode is activated
     * @return true, if activated
     */
    bool liveActivated();
    
protected:
    
    // Model view
    double _xModel,            // model coordinate (starting point)
           _yModel,
           _zModel;
    double _scaleModel;        // model scale factor
    double _yRotationModel;    // model rotation
    
    // L-system
    LindenmayerSystem *_lsystem;                // l-system generator
    Model *_model;                              // the generated l-system model
    LSystemParameters _lsystemParameters;       // saves/loads l-system parameters from file
    string lsystemParametersPath;               // where to find the l-system rules
    
    // Rendering window
    int _window;                // the rendering window
    bool _busyGenerating;       // currently generating?
    
    // GUI window
    GLUI *_glui;                                // the GUI window
    GLUI_EditText *_axiomEditText;              // axiom textbox
    vector<GLUI_EditText *> _ruleEditTexts;     // rule textboxes
    GLUI_Spinner *_angleSpinner;                // angle spinner
    GLUI_Spinner *_iterationsSpinner;           // iteration spinner
    GLUI_Checkbox *_liveCheckbox;               // live checkbox
    int _liveUpdates;                           // status of live checkbox
};



#endif