dab/player.C

   1 /*      $NetBSD: player.C,v 1.1.1.1 2003/12/26 17:57:03 christos 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  * 3. All advertising materials mentioning features or use of this software
  19  *    must display the following acknowledgement:
  20  *        This product includes software developed by the NetBSD
  21  *        Foundation, Inc. and its contributors.
  22  * 4. Neither the name of The NetBSD Foundation nor the names of its
  23  *    contributors may be used to endorse or promote products derived
  24  *    from this software without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  36  * POSSIBILITY OF SUCH DAMAGE.
  37  */
  38
  39 /*
  40  * player.C: Player base class
  41  */
  42
  43 #include "defs.h"
  44 RCSID("$Id: player.C,v 1.1.1.1 2003/12/26 17:57:03 christos Exp $")
  45
  46 #include "board.h"
  47 #include "player.h"
  48
  49 PLAYER::PLAYER(char who) :
  50     _who(who),
  51     _score(0),
  52     _total(0),
  53     _games(0),
  54     _ties(0)
  55 {
  56 }
  57
  58 void PLAYER::init(void)
  59 {
  60     _score = 0;
  61 }
  62
  63 void PLAYER::wl(size_t sc)
  64 {
  65     _total += _score;
  66     _games += sc < _score;
  67     _ties += sc == _score;
  68 }
  69
  70 int PLAYER::domove(BOARD& b)
  71 {
  72     size_t y, x;
  73     int dir;
  74     int score;
  75
  76     for (;;) {
  77         if (b.full())
  78             return 0;
  79
  80         play(b, y, x, dir);
  81
  82         switch (score = b.domove(y, x, dir, _who)) {
  83         case 0:
  84             // No closure
  85             return 1;
  86
  87         case -1:
  88             // Not a valid move
  89             b.bell();
  90             break;
  91
  92         default:
  93             // Closure, play again
  94             _score += score;
  95             break;
  96         }
  97     }
  98 }