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protocol.h

/* $Id: protocol.h,v 1.26 2003/07/02 23:50:24 bergo Exp $ */

/*

    eboard - chess client
    http://eboard.sourceforge.net
    Copyright (C) 2000-2003 Felipe Paulo Guazzi Bergo
    bergo@seul.org

    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 EBOARD_PROTOCOL_H
#define EBOARD_PROTOCOL_H 1

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "eboard.h"
#include "util.h"
#include "tstring.h"
#include "position.h"

typedef enum {
  PV_premove
} ProtocolVar;

class Protocol {
 public:
  virtual void receiveString(char *netstring)=0;
  virtual void sendMove(int x1,int y1,int x2,int y2,int prom)=0;
  virtual void sendDrop(piece p,int x,int y);
  virtual void finalize();
  virtual int  hasAuthenticationPrompts();

  virtual void sendUserInput(char *line);

  virtual void resign()=0;
  virtual void draw()=0;
  virtual void adjourn()=0;
  virtual void abort()=0;
  virtual void retractMove();

  virtual void exaForward(int n);
  virtual void exaBackward(int n);

  virtual void discardGame(int gameid);
  virtual void queryGameList(GameListConsumer *glc);
  virtual void queryAdList(GameListConsumer *glc);
  virtual void observe(int gameid);
  virtual void answerAd(int adid);

  virtual void refreshSeeks();

  virtual void updateVar(ProtocolVar pv);

  // meant for right-click menu on the clock area
  virtual vector<string *> * getPlayerActions();
  virtual vector<string *> * getGameActions();

  virtual void callPlayerAction(char *player, string *action);
  virtual void callGameAction(int gameid, string *action);
};

class NullProtocol : public Protocol {
 public:
  void receiveString(char *netstring);
  void sendMove(int x1,int y1,int x2,int y2,int prom);

  virtual void resign();
  virtual void draw();
  virtual void adjourn();
  virtual void abort();
};

class EngineBookmark;

class EngineProtocol : public Protocol {
 public:

  // both run methods should return 0 in case of failure, anything
  // else in case of success

  // should open a dialog asking parameters for the engine
  virtual int run()=0;

  // should run the engine with parameters from the bookmark
  virtual int run(EngineBookmark *bm)=0;

  virtual void setInitialPosition(Position *p)=0;

};

#include "proto_fics.h"
#include "proto_p2p.h"
#include "proto_xboard.h"

#endif

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