src/positioninfo.cpp

   1 /*
   2   Copyright (c) 2006-2007 Paolo Capriotti <p.capriotti@gmail.com>
   3             (c) 2006-2007 Maurizio Monge <maurizio.monge@kdemail.net>
   4
   5   This program is free software; you can redistribute it and/or modify
   6   it under the terms of the GNU General Public License as published by
   7   the Free Software Foundation; either version 2 of the License, or
   8   (at your option) any later version.
   9 */
  10
  11 #include "positioninfo.h"
  12 #include <KDebug>
  13
  14 #include <core/board.h>
  15 #include <core/state.h>
  16
  17 #include "gameinfo.h"
  18 #include "icsapi.h"
  19
  20 using namespace boost;
  21
  22 // Style 12 was designed by Daniel Sleator (sleator+@cs.cmu.edu) Darooha@ICC
  23 QRegExp PositionInfo::pattern(
  24                                 "^<12>\\s+"                          //header
  25                                 "([qkbnrpQKBNRP-]{8})\\s+"           //chessboard
  26                                 "([qkbnrpQKBNRP-]{8})\\s+"           //chessboard
  27                                 "([qkbnrpQKBNRP-]{8})\\s+"           //chessboard
  28                                 "([qkbnrpQKBNRP-]{8})\\s+"           //chessboard
  29                                 "([qkbnrpQKBNRP-]{8})\\s+"           //chessboard
  30                                 "([qkbnrpQKBNRP-]{8})\\s+"           //chessboard
  31                                 "([qkbnrpQKBNRP-]{8})\\s+"           //chessboard
  32                                 "([qkbnrpQKBNRP-]{8})\\s+"           //chessboard
  33                                 "([BW])\\s+"                         //black/white
  34                                 "(-1|[0-7])\\s+"                     //passing pawn
  35                                 "([01])\\s+"                         //castle rights
  36                                 "([01])\\s+"                         //castle rights
  37                                 "([01])\\s+"                         //castle rights
  38                                 "([01])\\s+"                         //castle rights
  39                                 "(-?\\d+)\\s+"                       //50 moves made
  40                                 "(\\d+)\\s+"                         //game num
  41                                 "(\\S+)\\s+"                         //white name
  42                                 "(\\S+)\\s+"                         //black name
  43                                 "(-[1-4]|[0-2])\\s+"                 //status
  44                                 "(\\d+)\\s+"                         //time
  45                                 "(\\d+)\\s+"                         //inc
  46                                 "(\\d+)\\s+"                         //w material
  47                                 "(\\d+)\\s+"                         //b material
  48                                 "(-?\\d+)\\s+"                       //w time
  49                                 "(-?\\d+)\\s+"                       //b time
  50                                 "(\\d+)\\s+"                         //move made
  51                                 "(\\S+)\\s+"                         //coordmove
  52                                 "(\\S+)\\s+"                         //time used
  53                                 "(\\S+)\\s+"                         //algmove
  54                                 "([0-1])"                            //flip
  55
  56 );
  57
  58 PositionInfo::PositionRow::PositionRow(const ICSAPIPtr& icsapi, const QString& str) {
  59   Q_ASSERT(str.length() == 8);
  60
  61   row.resize(str.length());
  62   for (int i = 0; i < str.length(); ++i) {
  63     QChar c = str[i];
  64
  65     row[i] = icsapi->createPiece(c);
  66   }
  67 }
  68
  69 /**
  70   * @return Position index as a 0-based halfmove count.
  71  */
  72 int PositionInfo::index() const {
  73   int res = (moveIndex - 1) * 2;
  74   if (turn == 1) res++;
  75   return res;
  76 }
  77
  78 PositionInfo::PositionInfo()
  79 : valid(false) { }
  80
  81 bool PositionInfo::load(std::map<int, ICSGameData>& games, const QString& str) {
  82   if (pattern.indexIn(str) != 0) {
  83     valid = false;
  84     return true;
  85   }
  86
  87   bool new_game = false;
  88
  89   valid = true;
  90   int gn = pattern.cap(CaptureIndexes::GameNumber).toInt();
  91   std::map<int, ICSGameData>::iterator gi = games.find(gn);
  92   ICSAPIPtr icsapi;
  93
  94   if (gi == games.end()) {
  95     kWarning() << "Received style12 for unknown game" << gn;
  96     // create a gameinfo of type "dummy"
  97     gi = games.insert(std::make_pair(gn, ICSGameData(gn, ""))).first;
  98     new_game = true;
  99   }
 100
 101   // FIXME load icsapi
 102 //   icsapi = gi->second.icsapi;
 103
 104   std::vector<PositionRow> rows;
 105   for (uint i = 0; i < 8; ++i)
 106     rows.push_back(PositionRow(icsapi, pattern.cap(CaptureIndexes::ChessboardStart + i)));
 107
 108   gameNumber = pattern.cap(CaptureIndexes::GameNumber).toInt();
 109   moveIndex = pattern.cap(CaptureIndexes::MoveOrdinal).toInt();
 110   whitePlayer = pattern.cap(CaptureIndexes::WhitePlayer);
 111   blackPlayer = pattern.cap(CaptureIndexes::BlackPlayer);
 112   turn = pattern.cap(CaptureIndexes::Turn) == "W"? 0 : 1;
 113
 114   int ep = pattern.cap(CaptureIndexes::EnPassant).toInt();
 115   if (ep == -1)
 116     enPassantSquare = Point::invalid();
 117   else
 118     enPassantSquare = Point(ep, turn == 0? 2 : 5);
 119
 120   bool wkCastle = pattern.cap(CaptureIndexes::WhiteKingCastle).toInt() == 1;
 121   bool wqCastle = pattern.cap(CaptureIndexes::WhiteQueenCastle).toInt() == 1;
 122   bool bkCastle = pattern.cap(CaptureIndexes::BlackKingCastle).toInt() == 1;
 123   bool bqCastle = pattern.cap(CaptureIndexes::BlackQueenCastle).toInt() == 1;
 124
 125   position = icsapi->createChessboard(turn, wkCastle, wqCastle, bkCastle, bqCastle, enPassantSquare);
 126   for (uint i = 0; i < 8; ++i) {
 127     for (uint j = 0; j < rows[i].row.size(); ++j) {
 128       position->board()->set(Point(j,i), rows[i].row[j]);
 129     }
 130   }
 131
 132   relation = static_cast<Relation>(pattern.cap(CaptureIndexes::Relation).toInt());
 133
 134   whiteTime = pattern.cap(CaptureIndexes::WhiteTime).toInt();
 135   blackTime = pattern.cap(CaptureIndexes::BlackTime).toInt();
 136   if (pattern.cap(CaptureIndexes::TimeUsed).indexOf('.') == -1) {
 137     // time is in seconds
 138     whiteTime *= 1000;
 139     blackTime *= 1000;
 140   }
 141
 142   lastMoveSAN = pattern.cap(CaptureIndexes::LastMove);
 143   lastMove = pattern.cap(CaptureIndexes::LastMoveVerbose);
 144
 145   return new_game;
 146 }