Rename move.cpp to notation.cpp

[stockfish] / src / move.cpp

diff --git a/src/move.cpp b/src/move.cpp
deleted file mode 100644 (file)
index 8ea6ad5..0000000
--- a/src/move.cpp
+++ /dev/null
@@ -1,154 +0,0 @@
-/*
-  Stockfish, a UCI chess playing engine derived from Glaurung 2.1
-  Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
-  Copyright (C) 2008-2012 Marco Costalba, Joona Kiiski, Tord Romstad
-
-  Stockfish 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.
-
-  Stockfish 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/>.
-*/
-
-#include <cassert>
-#include <string>
-
-#include "movegen.h"
-#include "position.h"
-
-using std::string;
-
-/// move_to_uci() converts a move to a string in coordinate notation
-/// (g1f3, a7a8q, etc.). The only special case is castling moves, where we print
-/// in the e1g1 notation in normal chess mode, and in e1h1 notation in chess960
-/// mode. Internally castle moves are always coded as "king captures rook".
-
-const string move_to_uci(Move m, bool chess960) {
-
-  Square from = from_sq(m);
-  Square to = to_sq(m);
-  string promotion;
-
-  if (m == MOVE_NONE)
-      return "(none)";
-
-  if (m == MOVE_NULL)
-      return "0000";
-
-  if (is_castle(m) && !chess960)
-      to = (to > from ? FILE_G : FILE_C) | rank_of(from);
-
-  if (is_promotion(m))
-      promotion = char(tolower(piece_type_to_char(promotion_type(m))));
-
-  return square_to_string(from) + square_to_string(to) + promotion;
-}
-
-
-/// move_from_uci() takes a position and a string representing a move in
-/// simple coordinate notation and returns an equivalent legal Move if any.
-
-Move move_from_uci(const Position& pos, string& str) {
-
-  if (str.length() == 5) // Junior could send promotion piece in uppercase
-      str[4] = char(tolower(str[4]));
-
-  for (MoveList<MV_LEGAL> ml(pos); !ml.end(); ++ml)
-      if (str == move_to_uci(ml.move(), pos.is_chess960()))
-          return ml.move();
-
-  return MOVE_NONE;
-}
-
-
-/// move_to_san() takes a position and a legal Move as input and returns its
-/// short algebraic notation representation.
-
-const string move_to_san(Position& pos, Move m) {
-
-  if (m == MOVE_NONE)
-      return "(none)";
-
-  if (m == MOVE_NULL)
-      return "(null)";
-
-  assert(pos.move_is_legal(m));
-
-  Bitboard attackers;
-  bool ambiguousMove, ambiguousFile, ambiguousRank;
-  string san;
-  Square from = from_sq(m);
-  Square to = to_sq(m);
-  PieceType pt = type_of(pos.piece_on(from));
-
-  if (is_castle(m))
-      san = to > from ? "O-O" : "O-O-O";
-  else
-  {
-      if (pt != PAWN)
-      {
-          san = piece_type_to_char(pt);
-
-          // Disambiguation if we have more then one piece with destination 'to'
-          // note that for pawns is not needed because starting file is explicit.
-          attackers = pos.attackers_to(to) & pos.pieces(pos.side_to_move(), pt);
-          attackers ^= from;
-          ambiguousMove = ambiguousFile = ambiguousRank = false;
-
-          while (attackers)
-          {
-              Square sq = pop_1st_bit(&attackers);
-
-              // Pinned pieces are not included in the possible sub-set
-              if (!pos.pl_move_is_legal(make_move(sq, to), pos.pinned_pieces()))
-                  continue;
-
-              ambiguousFile |= file_of(sq) == file_of(from);
-              ambiguousRank |= rank_of(sq) == rank_of(from);
-              ambiguousMove = true;
-          }
-
-          if (ambiguousMove)
-          {
-              if (!ambiguousFile)
-                  san += file_to_char(file_of(from));
-
-              else if (!ambiguousRank)
-                  san += rank_to_char(rank_of(from));
-
-              else
-                  san += square_to_string(from);
-          }
-      }
-
-      if (pos.is_capture(m))
-      {
-          if (pt == PAWN)
-              san += file_to_char(file_of(from));
-
-          san += 'x';
-      }
-
-      san += square_to_string(to);
-
-      if (is_promotion(m))
-          san += string("=") + piece_type_to_char(promotion_type(m));
-  }
-
-  if (pos.move_gives_check(m, CheckInfo(pos)))
-  {
-      StateInfo st;
-      pos.do_move(m, st);
-      san += MoveList<MV_LEGAL>(pos).size() ? "+" : "#";
-      pos.undo_move(m);
-  }
-
-  return san;
-}