agentpolice.h

/***************************************************************************
                        agentpolice.h  -  description
                            -------------------
    begin                : nov 29th 2005
    copyright            : (C) 2005 by Duong-Khang NGUYEN
    email                : neoneurone @ users sourceforge net
    author               : Victor STINNER
    
    $Id: agentpolice.h 32 2006-08-06 18:59:25Z neoneurone $
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program 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     *
 *   any later version.                                                    *
 *                                                                         *
 ***************************************************************************/

#ifndef _OPENCITY_AGENTPOLICE_H_
#define _OPENCITY_AGENTPOLICE_H_ 1

#include "agent.h"
#include <vector>

// Forward declarations
class Destination;

   /*=====================================================================*/
class AgentPolice : public Agent
{
public:
    typedef enum
    {
        POLICE_LOOK,
        POLICE_PURSUE,
        POLICE_LOST_PURSUE,
        POLICE_COLLABORATE
    } police_state_t;

    AgentPolice(Kernel& kernel, Environment& env, int x, int y);
    virtual ~AgentPolice();

    virtual void processMessage();
    virtual void born();
    virtual void live();
    virtual void die();
    virtual void output(std::ostream& os) const;

protected:
    police_state_t m_state;
    unsigned int m_sleep;
    unsigned int m_pursue;
    unsigned int m_lost_pursue;
    
    Agent* SeeBadGuy(direction_t dir);
    void Look();
    void Pursue();
    void Collaborate();
    void SetState(police_state_t state);
    void NoticePursue(Agent *agent);
    Agent* FindBadGuy(bool test_backward=true);
    void LostPursue();
    Agent* IsNearBadGuy();

// For collaboration and path finding
    unsigned int m_index;
    std::vector<Destination> m_path;
    typedef std::vector<Destination>::iterator m_path_it;

private:
   /*=====================================================================*/
   /*                        PRIVATE     METHODS                          */
   /*=====================================================================*/
    void followPath();
};

#endif

---