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action.h

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/*
  svas_server -- virtual World Server of Svas
  Copyright (c) 2001, 2002 David Moreno Montero
 
 
  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
  (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.
 
  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.  

*/

#ifndef __ACTION__
#define __ACTION__

/** 
 * type of grow (horizontal is radius grow) 
 * @see Action, Cylinder, Agent, Client::grow
 */
typedef enum{
  growVertical=0,
  growHorizontal=1
}GrowType;

/**
 * Type of movement that the cylinder can do. CW is clockwise, CCW is
 * counterclockwise 
 * @see Action, Cylinder, Agent, Client::move
 */
typedef enum{
  moveVerticalCW=0,
  moveHorizontalCW=1,
  moveVerticalCCW=2,
  moveHorizontalCCW=3,
  moveUnknown=0xFF
}MoveType;

/** 
 * Actions that a cylinder may want to perform 
 * @see Cylinder
 */
typedef enum{
  none=0,
  newCylinder=1,
  growTo=2,
  belittle=3,
  moveCylinder=4,
  dropCylinder=5,
  sendEnergy=6,
  sendMessageAction=7
}ActionList;

/**
 * The action (and related variables) that a cylinder may want to
 * perform, if any.
 *
 * Some variables are in unions, in order to save some memory
 *
 * @see Cylinder
 */
struct Action{
  ActionList action;
  short int energy;
  union {
    char type;
    GrowType growType;
    MoveType moveType;
  };
  unsigned char cylinder;
  unsigned long int agentId;
  union{
    double angle;
    char *message;
  };
  union{
    double height;
    unsigned long int messageSize;
  };

  /// Minimal impersonal constructor
  Action(){ action=none; }
  ~Action();

  /// Full, impersonal, ugly constructor
  Action(ActionList _action, unsigned short int _energy, 
     char _type, unsigned char _cylinder);

  /// Personalized for new cylinder
  Action(double angle, double height, unsigned short int _energy);
  /// Personalized edition to grow
  Action(unsigned short int _energy, GrowType type);
  /// Personalized edition to move
  Action(unsigned short int _energy, MoveType type);
  /// Personalized edition to send energy
  Action(unsigned char son, unsigned short int _energy);
  // Personalized edition to drop son
  Action(unsigned char son, const  char *creationMessage, unsigned long int messageSize);
  // Personalized edition to send Message
  Action(unsigned long int agentId, unsigned long int messageSize, const  char *message);
};



#endif

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