/*
 
    Protector -- a UCI chess engine
 
 
 
    Copyright (C) 2009-2010 Raimund Heid (Raimund_Heid@yahoo.com)
 
 
 
    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 3 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, see <http://www.gnu.org/licenses/>.
 
 
 
*/
 
 
 
#ifndef _xboard_h_
 
#define _xboard_h_
 
 
 
#include "protector.h"
 
#include "position.h"
 
 
 
extern int minPvHashEntrySendDepth;
 
extern int minPvHashEntrySendTime;
 
extern int maxPvHashEntrySendHeight;
 
extern int pvHashEntriesSendInterval;
 
 
 
typedef struct
 
{
 
   int movesToGo;
 
   int incrementTime;           /* unit: milliseconds */
 
 
 
   int numberOfMovesPlayed;
 
   int restTime;                /* unit: milliseconds */
 
}
 
TimecontrolData;
 
 
 
#define XBOARD_OPERATIONMODE_ANALYSIS 2
 
#define XBOARD_OPERATIONMODE_USERGAME 4
 
 
 
typedef struct
 
{
 
   TimecontrolData timecontrolData[2];
 
   int operationMode;           /* see above */
 
   Color engineColor;
 
   bool pondering;
 
   bool engineIsActive, engineIsPondering, bestMoveWasSent;
 
   Move ponderingMove;
 
   Move ponderResultMove;
 
   int maxPlies;
 
}
 
XboardStatus;
 
 
 
/**
 
 * Wait for the next Xboard/Winboard command and process it.
 
 */
 
void acceptGuiCommands(void);
 
 
 
/*
 
 * Send a hash entry via UCI.
 
 */
 
void sendHashentry(Hashentry * entry);
 
 
 
/**
 
 * Initialize this module.
 
 *
 
 * @return 0 if no errors occurred.
 
 */
 
int initializeModuleXboard(void);
 
 
 
/**
 
 * Test this module.
 
 *
 
 * @return 0 if all tests succeed.
 
 */
 
int testModuleXboard(void);
 
 
 
#endif