//
// ********************************************************************
// * License and Disclaimer                                           *
// *                                                                  *
// * The  Geant4 software  is  copyright of the Copyright Holders  of *
// * the Geant4 Collaboration.  It is provided  under  the terms  and *
// * conditions of the Geant4 Software License,  included in the file *
// * LICENSE and available at  http://cern.ch/geant4/license .  These *
// * include a list of copyright holders.                             *
// *                                                                  *
// * Neither the authors of this software system, nor their employing *
// * institutes,nor the agencies providing financial support for this *
// * work  make  any representation or  warranty, express or implied, *
// * regarding  this  software system or assume any liability for its *
// * use.  Please see the license in the file  LICENSE  and URL above *
// * for the full disclaimer and the limitation of liability.         *
// *                                                                  *
// * This  code  implementation is the result of  the  scientific and *
// * technical work of the GEANT4 collaboration.                      *
// * By using,  copying,  modifying or  distributing the software (or *
// * any work based  on the software)  you  agree  to acknowledge its *
// * use  in  resulting  scientific  publications,  and indicate your *
// * acceptance of all terms of the Geant4 Software license.          *
// ********************************************************************
//
//
// $Id: G4VRML2.cc,v 1.10 2006/06/29 21:26:07 gunter Exp $
// GEANT4 tag $Name:  $
//
// G4VRML2.cc
// Satoshi Tanaka & Yasuhide Sawada

#ifndef WIN32

//=================//
#ifdef G4VIS_BUILD_VRML_DRIVER
//=================//


#include <stdio.h> // sscanf
#include <stdlib.h> // getenv

#include "G4VSceneHandler.hh"

#include "G4VRML2.hh"
#include "G4VRML2SceneHandler.hh"
#include "G4VRML2Viewer.hh"

#include "G4FRClient.hh"


G4VRML2::G4VRML2() :
	G4VGraphicsSystem("VRML2", "VRML2", G4VGraphicsSystem::threeD)
{
	// port number
	fPort = FR_VRML_DEFAULT_PORT;
	char *pport = getenv(FR_VRML_PORT_ENV);
	if (pport) {
		sscanf(pport, "%d", &fPort);
	}

	// host name
	fHostName = "localhost" ; // G4String::operator = ( const char* cs )
	char *phostname =  getenv(FR_VRML_HOST_NAME_ENV); 
	if (phostname) {
		fHostName = phostname;
	}
}

G4VRML2::~G4VRML2()
{
}


G4VSceneHandler* G4VRML2::CreateSceneHandler(const G4String& name) 
{
	G4VSceneHandler *p = NULL;

	p = new G4VRML2SceneHandler(*this, name);

	return p;
}

G4VViewer* G4VRML2::CreateViewer(G4VSceneHandler& scene, const G4String& name)
{
	G4VViewer* pView = NULL;

	G4VRML2SceneHandler* pScene = (G4VRML2SceneHandler*)&scene;
	pView = new G4VRML2Viewer(*pScene, name);

	return pView;
}

#endif
#endif //WIN32
