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