move.cpp

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/*---------------------------------------------------------------------+
 * File: move.cpp
 * Project: part of belofte - A Promising Chess Program
 * Author: yves
 * SPDX-License-Identifier: GPL-2.0-only
+----------------------------------------------------------------------*/
 
#include "belofte.h"
 
//-----------------------------------------------------------------------
 
class engineInterface;
 
//-----------------------------------------------------------------------
 
/// @todo convert to move annotation to be used in PgnMove as well
std::string bMove::getMoveEvalStr() const
{
  std::string str;
  if (isCheck()) {
    if (!isDrawScore() && isMateMove()) {
      str = "#";
    } else {
      str = "+";
    }
  }
  if (isEPMove()) str += (str != "") ? " e.p." : "e.p.";
  else if (isCapture()) str += (str != "") ? " x" : "x";
  if (!isUndefinedScore()) {
    if (str != "") str += " ";
    str += engineInterface::scoreAsString(m_score);
  }
  if (str != "") return " {" + str + "}";
  return "";
}
 
/**
 * Check if end of game flag is set, and not forced draw
 * @return true if game ended by mate
 */
bool bMove::isMateMove() const
{
  if (isDrawScore()) return false;
  if (getGameEnd()) return true;
  if ((!isUndefinedScore()) && isCheck()) {
    if (getAbsScore() >= (SCORE_MATE - SCORE_CONVERGE_BYDEPTH)) return true;
  }
  return false;
}
 
// eof