basicmove.cpp

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/*---------------------------------------------------------------------+
 * File: basicmove.cpp
 * Project: part of belofte - A Promising Chess Program
 * Author: yves
 * SPDX-License-Identifier: GPL-2.0-only
+----------------------------------------------------------------------*/
 
#include "belofte.h"
 
//-----------------------------------------------------------------------
 
bBasicMove::operator std::string() const
{
  return bCase(m_from).operator std::string()
          + bCase(m_to).operator std::string()
          + getPromotionDecorationStr();
}
 
piece_t bBasicMove::getWhitePromotionPiece() const
{
  if (m_promotion == tPPiece::N_P_QUEEN) {
    return tPiece::W_QUEEN;
  } else if (m_promotion == tPPiece::N_P_KNIGHT) {
    return tPiece::W_KNIGHT;
  } else if (m_promotion == tPPiece::N_P_ROOK) {
    return tPiece::W_ROOK;
  } else if (m_promotion == tPPiece::N_P_BISHOP) {
    return tPiece::W_BISHOP;
  }
  throw std::logic_error("getWhitePromotionPiece called with tPiece::FIELD_EMPTY");
}
 
piece_t bBasicMove::getBlackPromotionPiece() const
{
  if (m_promotion == tPPiece::N_P_QUEEN) {
    return tPiece::B_QUEEN;
  } else if (m_promotion == tPPiece::N_P_KNIGHT) {
    return tPiece::B_KNIGHT;
  } else if (m_promotion == tPPiece::N_P_ROOK) {
    return tPiece::B_ROOK;
  } else if (m_promotion == tPPiece::N_P_BISHOP) {
    return tPiece::B_BISHOP;
  }
  throw std::logic_error("getBlackPromotionPiece called with tPiece::FIELD_EMPTY");
}
 
std::string const bBasicMove::getPromotionDecorationStr() const
{
  if (!m_promotion) {
    return "";
  } else if (m_promotion == tPPiece::N_P_QUEEN) {
    return "q";
  } else if (m_promotion == tPPiece::N_P_KNIGHT) {
    return "n";
  } else if (m_promotion == tPPiece::N_P_ROOK) {
    return "r";
  } else {
    return "b";
  }
}
 
std::ostream& operator<<(std::ostream& os, bBasicMove const& m)
{
  os << m.operator std::string();
  return os;
}
 
// eof