ac3dreader.cpp

// ------------------------------------------------------------
//
// Ivf++ Ac3D file reader example
//
// ------------------------------------------------------------
//
// Author: Jonas Lindemann
//

// ------------------------------------------------------------
// Include files
// ------------------------------------------------------------

#include <ivfdef/IvfDef.h>

#include <ivfui/IvfApplication.h>
#include <ivfui/IvfWindow.h>

#include <ivf/IvfCamera.h>
#include <ivf/IvfAxis.h>
#include <ivf/IvfComposite.h>
#include <ivf/IvfLighting.h>

#include <ivffile/IvfAc3DReader.h>
#include <ivffile/IvfDxfWriter.h>

#ifdef IVFUI_LIB
#pragma message( "IVFUI_LIB defined" )
#endif 

#ifdef IVF_DLL
#pragma message( "IVF_DLL defined" )
#endif 

#ifdef IVFUI_API
#pragma message( "IVFUI_API" )
#endif 

// ------------------------------------------------------------
// Window class definition
// ------------------------------------------------------------

IvfSmartPointer(CExampleWindow);

class CExampleWindow: public CIvfWindow {
private:
        CIvfCameraPtr           m_camera;
        CIvfCompositePtr        m_scene;
        CIvfLightPtr            m_light;

        double m_angleX;
        double m_angleY;
        double m_moveX;
        double m_moveY;
        double m_zoomX;
        double m_zoomY;

        int m_beginX;
        int m_beginY;

        bool m_rotating;

public:
        CExampleWindow(int X, int Y, int W, int H);

        virtual void onInit(int width, int height);
        virtual void onResize(int width, int height);
        virtual void onRender();
        virtual void onMouseDown(int x, int y);
        virtual void onMouseMove(int x, int y);
        virtual void onMouseUp(int x, int y);
        virtual bool onTimeout0();
        virtual void onKeyboard(int key, int x, int y);
};

// ------------------------------------------------------------
// Window class implementation
// ------------------------------------------------------------

CExampleWindow::CExampleWindow(int X, int Y, int W, int H)
                :CIvfWindow(X, Y, W, H) 
{

}



void CExampleWindow::onInit(int width, int height)
{
        // Initialize variables

        m_angleX = 0.0;
        m_angleY = 0.0;
        m_moveX = 0.0;
        m_moveY = 0.0;
        m_zoomX = 0.0;
        m_zoomY = 0.0;

        m_rotating = false;

        // Initialize Ivf++ camera

        m_camera = new CIvfCamera();
        m_camera->setPosition(-0.0, 3.0, 5.0);
        m_camera->setTarget(-0.0, 0.0, 0.0);

        // Create a materials

        // Create scene

        m_scene = new CIvfComposite();

        // Create a file reader

        CIvfAc3DReaderPtr acReader = new CIvfAc3DReader();

        // Set parameters

        acReader->setFileName("models/ivf.ac");
        acReader->setScaling(1.0);

        // Read file

        acReader->read();

        // Retrieve poly set

        CIvfShapePtr shape = acReader->getShape();

        m_scene->addChild(shape);

        // Create a light

        CIvfLightingPtr lighting = CIvfLighting::getInstance();
        lighting->enable();

        m_light = lighting->getLight(0);
        m_light->setLightPosition(1.0, 1.0, 1.0, 0.0);
        m_light->setDiffuseColor(1.0f, 1.0f, 1.0f, 1.0f);
        m_light->setAmbientColor(0.2f, 0.2f, 0.2f, 1.0f); 
        m_light->enable();

        /*
        CIvfDxfWriterPtr dxfWriter = new CIvfDxfWriter();
        dxfWriter->setFileName("models/ac3dreader.dxf");
        dxfWriter->setShape(m_scene);
        dxfWriter->write();
        */

        //enableTimeout(0.01, 0);
}

// ------------------------------------------------------------
void CExampleWindow::onResize(int width, int height)
{
        m_camera->setPerspective(45.0, 0.1, 100.0);
        m_camera->setViewPort(width, height);
        m_camera->initialize();
}

// ------------------------------------------------------------
void CExampleWindow::onRender()
{
        m_light->render();
        m_camera->render();
        m_scene->render();
}

// ------------------------------------------------------------
void CExampleWindow::onMouseDown(int x, int y)
{
        m_beginX = x;
        m_beginY = y;
}

// ------------------------------------------------------------
void CExampleWindow::onMouseMove(int x, int y)
{
        m_angleX = 0.0;
        m_angleY = 0.0;
        m_moveX = 0.0;
        m_moveY = 0.0;
        m_zoomX = 0.0;
        m_zoomY = 0.0;

        if (isLeftButtonDown())
        {
                m_angleX = (x - m_beginX);
                m_angleY = (y - m_beginY);
                m_beginX = x;
                m_beginY = y;

                m_camera->rotatePositionY(m_angleX/100.0);
                m_camera->rotatePositionX(m_angleY/100.0);

                redraw();
        }

        if (isRightButtonDown())
        {
                if (getModifierKey() == CIvfWidgetBase::MT_SHIFT)
                {
                        m_zoomX = (x - m_beginX);
                        m_zoomY = (y - m_beginY);
                }
                else
                {
                        m_moveX = (x - m_beginX);
                        m_moveY = (y - m_beginY);
                }
                m_beginX = x;
                m_beginY = y;

                m_camera->moveSideways(m_moveX/100.0);
                m_camera->moveVertical(m_moveY/100.0);
                m_camera->moveDepth(m_zoomY/50.0);

                redraw();
        }
}

// ------------------------------------------------------------
void CExampleWindow::onMouseUp(int x, int y)
{
        m_angleX = 0.0;
        m_angleY = 0.0;
        m_moveX = 0.0;
        m_moveY = 0.0;
        m_zoomX = 0.0;
        m_zoomY = 0.0;
}

// ------------------------------------------------------------
bool CExampleWindow::onTimeout0()
{
        if (m_rotating)
        {
                m_angleX = 0.1;
                redraw();
        }
        return true;
}

// ------------------------------------------------------------
void CExampleWindow::onKeyboard(int key, int x, int y)
{
        switch (key) {
        case 'r' :
                if (m_rotating)
                        m_rotating = false;
                else
                        m_rotating = true;
                break;
        default:
                break;
        }
}

// ------------------------------------------------------------
// Main program
// ------------------------------------------------------------

int main(int argc, char **argv) 
{
        // Create Ivf++ application object.

        CIvfApplicationPtr app = new CIvfApplication(IVF_DOUBLE|IVF_RGB|IVF_STEREO);

        // Create a window

        CExampleWindowPtr window = new CExampleWindow(0, 0, 512, 512);

        // Set window title and show window

        window->setWindowTitle("Ivf++ Ac3D file reader example");
        window->show();

        // Enter main application loop

        app->run();

        return 0;
}

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