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player.cc revision 1.1
      1  1.1  christos /*	$NetBSD: player.cc,v 1.1 2003/12/27 01:16:55 christos Exp $	 */
      2  1.1  christos 
      3  1.1  christos /*-
      4  1.1  christos  * Copyright (c) 2003 The NetBSD Foundation, Inc.
      5  1.1  christos  * All rights reserved.
      6  1.1  christos  *
      7  1.1  christos  * This code is derived from software contributed to The NetBSD Foundation
      8  1.1  christos  * by Christos Zoulas.
      9  1.1  christos  *
     10  1.1  christos  * Redistribution and use in source and binary forms, with or without
     11  1.1  christos  * modification, are permitted provided that the following conditions
     12  1.1  christos  * are met:
     13  1.1  christos  * 1. Redistributions of source code must retain the above copyright
     14  1.1  christos  *    notice, this list of conditions and the following disclaimer.
     15  1.1  christos  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1  christos  *    notice, this list of conditions and the following disclaimer in the
     17  1.1  christos  *    documentation and/or other materials provided with the distribution.
     18  1.1  christos  * 3. All advertising materials mentioning features or use of this software
     19  1.1  christos  *    must display the following acknowledgement:
     20  1.1  christos  *        This product includes software developed by the NetBSD
     21  1.1  christos  *        Foundation, Inc. and its contributors.
     22  1.1  christos  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  1.1  christos  *    contributors may be used to endorse or promote products derived
     24  1.1  christos  *    from this software without specific prior written permission.
     25  1.1  christos  *
     26  1.1  christos  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  1.1  christos  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  1.1  christos  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  1.1  christos  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  1.1  christos  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  1.1  christos  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  1.1  christos  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  1.1  christos  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  1.1  christos  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  1.1  christos  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  1.1  christos  * POSSIBILITY OF SUCH DAMAGE.
     37  1.1  christos  */
     38  1.1  christos 
     39  1.1  christos /*
     40  1.1  christos  * player.C: Player base class
     41  1.1  christos  */
     42  1.1  christos 
     43  1.1  christos #include "defs.h"
     44  1.1  christos RCSID("$NetBSD: player.cc,v 1.1 2003/12/27 01:16:55 christos Exp $")
     45  1.1  christos 
     46  1.1  christos #include "board.h"
     47  1.1  christos #include "player.h"
     48  1.1  christos 
     49  1.1  christos PLAYER::PLAYER(char who) :
     50  1.1  christos     _who(who),
     51  1.1  christos     _score(0),
     52  1.1  christos     _total(0),
     53  1.1  christos     _games(0),
     54  1.1  christos     _ties(0)
     55  1.1  christos {
     56  1.1  christos }
     57  1.1  christos 
     58  1.1  christos void PLAYER::init(void)
     59  1.1  christos {
     60  1.1  christos     _score = 0;
     61  1.1  christos }
     62  1.1  christos 
     63  1.1  christos void PLAYER::wl(size_t sc)
     64  1.1  christos {
     65  1.1  christos     _total += _score;
     66  1.1  christos     _games += sc < _score;
     67  1.1  christos     _ties += sc == _score;
     68  1.1  christos }
     69  1.1  christos 
     70  1.1  christos int PLAYER::domove(BOARD& b)
     71  1.1  christos {
     72  1.1  christos     size_t y, x;
     73  1.1  christos     int dir;
     74  1.1  christos     int score;
     75  1.1  christos 
     76  1.1  christos     for (;;) {
     77  1.1  christos 	if (b.full())
     78  1.1  christos 	    return 0;
     79  1.1  christos 
     80  1.1  christos 	play(b, y, x, dir);
     81  1.1  christos 
     82  1.1  christos 	switch (score = b.domove(y, x, dir, _who)) {
     83  1.1  christos 	case 0:
     84  1.1  christos 	    // No closure
     85  1.1  christos 	    return 1;
     86  1.1  christos 
     87  1.1  christos 	case -1:
     88  1.1  christos 	    // Not a valid move
     89  1.1  christos 	    b.bell();
     90  1.1  christos 	    break;
     91  1.1  christos 
     92  1.1  christos 	default:
     93  1.1  christos 	    // Closure, play again
     94  1.1  christos 	    _score += score;
     95  1.1  christos 	    break;
     96  1.1  christos 	}
     97  1.1  christos     }
     98  1.1  christos }
     99