GAgent.h

/***************************************************************************
 *   Copyright (C) 2003-2004 by Raphael Langerhorst                        *
 *   raphael-langerhorst@gmx.at                                            *
 *                                                                         *
 *   Permission is hereby granted, free of charge, to any person obtaining *
 *   a copy of this software and associated documentation files (the       *
 *   "Software"), to deal in the Software without restriction, including   *
 *   without limitation the rights to use, copy, modify, merge, publish,   *
 *   distribute, sublicense, and/or sell copies of the Software, and to    *
 *   permit persons to whom the Software is furnished to do so, subject to *
 *   the following conditions:                                             *
 *                                                                         *
 *   The above copyright notice and this permission notice shall be        *
 *   included in all copies or substantial portions of the Software.       *
 *                                                                         *
 *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       *
 *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    *
 *   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*
 *   IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR     *
 *   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, *
 *   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR *
 *   OTHER DEALINGS IN THE SOFTWARE.                                       *
 ***************************************************************************/

#ifndef GAGENTH
#define GAGENTH

#include <qobject.h> //inherited by GAgent
#include <qthread.h> //inherited by GAgent
#include <qptrlist.h>

namespace GCS
{

class GElement;
class GObject;
class GEnergy;
class GForm;
class GElementID;
class GElementInfluence;

class GAgent : public QObject, protected QThread
{
  //make this class a Q_OBJECT, which means that signals
  //and slots can be used (see Qt documentation)
  Q_OBJECT

  private:
    GObject* Object;
    
    const QPtrList<GAgent>* Agents;
    
  protected:
    
    bool shutdown;
     
  public:

    GAgent(QObject* parent = 0, const char* name = 0);

    virtual ~GAgent() {}

  protected:
  
    virtual void run();
  
    GObject* requestObject();
    
    GEnergy* requestEnergy();
    
    GForm* requestForm();
    
    const QPtrList<GAgent>& requestAgents() const;
    
    const GElementID& getElementID() const;
    
    const GElementID& getConnectionID() const;
        
  protected slots:
  
    virtual void beginPark();
      
    virtual void threadStart(double seconds_elapsed);

  public slots:

    virtual void receiveInfluence(GCS::GElementInfluence&);

  signals:

    void sendInfluence(const GCS::GElementID& target,
                       GCS::GElementInfluence& influence);
                       
    void radiateInfluence(GCS::GElementInfluence& influence);
    
    void parentChanged(const GCS::GElementID& oldParent, const GCS::GElementID& newParent);

    void energyChanged(const GCS::GEnergy& changedEnergy);

    void formChanged(const GCS::GForm& changedForm);

    void agentChanged(const GCS::GAgent& changedAgent);
    
    void childElementCreated(GCS::GElement* newElement);
    
    void childElementRemoved(const GCS::GElementID& childID);
    
    
  public:
  
    virtual bool isParked() const;
      
    friend class GElement;
    
};

}

#endif

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