base/Application

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/* **-*-c++-*-**************************************************************
  Copyright (C)1996 David Jung <opensim@pobox.com>

  This program/file 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.
  
  This program 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. (http://www.gnu.org)
  
  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  
  $Id: Application 1029 2004-02-11 20:45:54Z jungd $
  $Revision: 1.8 $
  $Date: 2004-02-11 15:45:54 -0500 (Wed, 11 Feb 2004) $
  $Author: jungd $
 
****************************************************************************/

#ifndef _BASE_APPLICATION_
#define _BASE_APPLICATION_

#include <base/base>

#include <base/Object>
#include <base/Universe>
#include <base/Directory>
#include <base/Cache>


namespace base {

class Universe;
class VFileSystem;
class Time;

// singelton
class Application : public Object
{
public:
  Application(const String& resourceDirectoryName, const String& cacheDirectoryName = "cache");
  virtual ~Application();

  virtual String className() const { return String("Application"); }

  static Application* getInstance() 
    {
      Assertm(app,"Application singelton instantiated."); 
      return app; 
    }

  ref<Universe>    universe() { return theUniverse; }
  ref<VFileSystem> filesystem() { return theFileSystem; }

  static const Int versionMajor = 0; // e.g. 1.4.1
  static const Int versionMinor = 4;
  static const Int versionSubMinor = 4;

  static String getShortName() { return "opensim"; }
  static String getLongName() { return "Open Simulator (OpenSim)"; }
  static String getVersion() { return intToString(versionMajor) + "." + intToString(versionMinor) + "." + intToString(versionSubMinor); }

  void displayHeader(const String& appName="");
  
private:
  Application(const Application&)  {}

  ref<Universe>    theUniverse;
  ref<VFileSystem> theFileSystem;
  Time *theTime; // singleton
  
  static Application* app;  // the single instance
};


} // base

#endif

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