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87 lines
3.1 KiB
C++
87 lines
3.1 KiB
C++
/* $NetBSD: algor.h,v 1.1.1.1 2003/12/26 17:57:03 christos Exp $ */
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/*-
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* Copyright (c) 2003 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Christos Zoulas.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* algor.h: Computer's algorithm
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*/
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#ifndef _H_ALGOR
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#define _H_ALGOR
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#include "player.h"
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class BOARD;
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class BOX;
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class ALGOR : public PLAYER {
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public:
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ALGOR(const char c);
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// Return a proposed move in (y, x, dir)
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void play(const BOARD& b, size_t& y, size_t& x, int& dir);
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private:
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// Closure searches
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int find_closure(size_t& y, size_t& x, int& dir, BOARD& b);
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int find_max_closure(size_t& y, size_t& x, int& dir, const BOARD& b);
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int find_min_closure1(size_t& y, size_t& x, int& dir, const BOARD& b,
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int last);
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int find_min_closure(size_t& y, size_t& x, int& dir, const BOARD& b);
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// Move searches
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int find_good_turn(size_t& y, size_t& x, int& dir, const BOARD& b);
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int find_bad_turn(size_t& y, size_t& x, int& dir, BOARD& b, int last);
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// Move Attempts
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int try_bad_turn(BOX& box, size_t& y, size_t& x, int& dir, BOARD& b,
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int last);
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int try_good_turn(BOX& box, size_t y, size_t x, int& dir, BOARD& b);
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// Utils
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size_t count_closure(size_t& y, size_t& x, int& dir, BOARD& b);
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#ifdef notyet
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size_t find_single(void);
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#endif
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size_t _edge1;
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size_t _edge2;
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size_t _maxedge;
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};
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#endif
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