119 lines
3.3 KiB
C++
119 lines
3.3 KiB
C++
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/*
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----
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This file is part of SECONDO.
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Copyright (C) 2004, University in Hagen, Department of Computer Science,
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Database Systems for New Applications.
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SECONDO is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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SECONDO is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with SECONDO; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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----
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1 Defines and includes
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*/
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#ifndef SECONDO_ALGEBRAS_CHESS_BOARD_16X12_HPP
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#define SECONDO_ALGEBRAS_CHESS_BOARD_16X12_HPP
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#include <tr1/array>
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#include "PlyT.hpp"
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#include "Piece.hpp"
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/*
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2 class Board_16x12
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represents a chess board in 16x12 format which is
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technically much easier to handle than a natural 8x8
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representation. Query german wikipedia for "Schachprogramme"
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for further information.
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Also definies move vectors of all agents
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*/
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class Board_16x12
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{
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public:
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typedef std::tr1::array< PIECE, 192 > board_t;
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typedef board_t::difference_type dir_t;
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Board_16x12(){}
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Board_16x12( const board_t& board ) : board_(board) {}
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// iterate over board
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typedef board_t::const_iterator const_iterator;
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const_iterator begin() const { return board_.begin(); }
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const_iterator end() const { return board_.end(); }
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const_iterator iter( const Field& f ) const
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{
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return board_.begin() + index(f);
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}
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typedef board_t::iterator iterator;
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iterator begin() { return board_.begin(); }
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iterator end() { return board_.end(); }
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iterator iter( const Field& f )
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{
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return board_.begin() + index(f);
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}
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// select pieces on a board
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PIECE& operator[] ( const Field& f ) { return board_[ index(f) ]; }
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const PIECE& operator[] ( const Field& f ) const
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{ return board_[ index(f) ]; }
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// compare two board objects
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bool operator== ( const Board_16x12& other ) const
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{ return board_ == other.board_; }
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// definition of agent moves
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struct moves_t
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{
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dir_t moves[8];
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int count;
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int steps;
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};
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// move vectors
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static const moves_t& moves( PIECE_TYPE type )
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{
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static const moves_t defs[5] =
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{
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{ { -33, -31, -18, -14, 14, 18, 31, 33 }, 8, 1 },
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{ { -17, -15, 15, 17, 0, 0, 0, 0 }, 4, 7 },
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{ { -16, -1, 1, 16, 0, 0, 0, 0 }, 4, 7 },
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{ { -17, -16, -15, -1, 1, 15, 16, 17 }, 8, 7 },
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{ { -17, -16, -15, -1, 1, 15, 16, 17 }, 8, 1 }
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};
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return defs[ type - 2 ];
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}
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Field field( const const_iterator& it ) const
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{
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dir_t offset = it - board_.begin();
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return Field( offset % 16 - 4, offset / 16 - 2 );
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}
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private:
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int index( const Field& f ) const { return f.row * 16 + 36 + f.file; }
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board_t board_;
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};
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extern const Board_16x12::board_t EMPTY_BOARD;
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extern const Board_16x12::board_t INITIAL_BOARD;
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#endif // SECONDO_ALGEBRAS_CHESS_BOARD_16X12_HPP
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