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      1 /*	$NetBSD: player.cc,v 1.3 2021/12/05 09:22:45 rillig Exp $	 */
      2 
      3 /*-
      4  * Copyright (c) 2003 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Christos Zoulas.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * Player base class
     34  */
     35 
     36 #include "defs.h"
     37 RCSID("$NetBSD: player.cc,v 1.3 2021/12/05 09:22:45 rillig Exp $")
     38 
     39 #include "board.h"
     40 #include "player.h"
     41 
     42 PLAYER::PLAYER(char who) :
     43     _who(who),
     44     _score(0),
     45     _total(0),
     46     _games(0),
     47     _ties(0)
     48 {
     49 }
     50 
     51 void PLAYER::init(void)
     52 {
     53     _score = 0;
     54 }
     55 
     56 void PLAYER::wl(size_t sc)
     57 {
     58     _total += _score;
     59     _games += sc < _score;
     60     _ties += sc == _score;
     61 }
     62 
     63 int PLAYER::domove(BOARD& b)
     64 {
     65     size_t y, x;
     66     int dir;
     67     int score;
     68 
     69     for (;;) {
     70 	if (b.full())
     71 	    return 0;
     72 
     73 	play(b, y, x, dir);
     74 
     75 	switch (score = b.domove(y, x, dir, _who)) {
     76 	case 0:
     77 	    // No closure
     78 	    return 1;
     79 
     80 	case -1:
     81 	    // Not a valid move
     82 	    b.bell();
     83 	    break;
     84 
     85 	default:
     86 	    // Closure, play again
     87 	    _score += score;
     88 	    break;
     89 	}
     90     }
     91 }
     92