Home | History | Annotate | Line # | Download | only in dab
human.cc revision 1.2.18.1 
      1 /*	$NetBSD: human.cc,v 1.2.18.1 2008/05/18 12:29:48 yamt 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  * human.C: Human interface for dots, using rogue-like keys.
     34  */
     35 #include "defs.h"
     36 RCSID("$NetBSD: human.cc,v 1.2.18.1 2008/05/18 12:29:48 yamt Exp $")
     37 
     38 #include "human.h"
     39 #include "board.h"
     40 #include "box.h"
     41 #include "ttyscrn.h"
     42 
     43 #define CONTROL(a) ((a) & 037)
     44 
     45 extern GAMESCREEN *sc;
     46 
     47 HUMAN::HUMAN(const char c) :
     48     PLAYER(c),
     49     _curx(0),
     50     _cury(1)
     51 {
     52 }
     53 
     54 void HUMAN::play(const BOARD& b, size_t& y, size_t& x, int& dir)
     55 {
     56     int mv;
     57     b.setpos(_cury, _curx);
     58 
     59     for (;;) {
     60 	switch (mv = b.getmove()) {
     61 	case 'h': case 'H':
     62 	    _curx -= 2;
     63 	    break;
     64 
     65 	case 'l': case 'L':
     66 	    _curx += 2;
     67 	    break;
     68 
     69 	case 'k': case 'K':
     70 	    _cury -= 2;
     71 	    break;
     72 
     73 	case 'j': case 'J':
     74 	    _cury += 2;
     75 	    break;
     76 
     77 	case 'u': case 'U':
     78 	    _curx += 1;
     79 	    _cury -= 1;
     80 	    break;
     81 
     82 	case 'y': case 'Y':
     83 	    _curx -= 1;
     84 	    _cury -= 1;
     85 	    break;
     86 
     87 	case 'b': case 'B':
     88 	    _curx -= 1;
     89 	    _cury += 1;
     90 	    break;
     91 
     92 	case 'n': case 'N':
     93 	    _curx += 1;
     94 	    _cury += 1;
     95 	    break;
     96 
     97 	case 'q': case 'Q':
     98 	    // Cleanup
     99 	    delete sc;
    100 	    exit(0);
    101 
    102 	case CONTROL('L'): case CONTROL('R'):
    103 	    b.clean();
    104 	    b.paint();
    105 	    break;
    106 
    107 	case ' ':
    108 	    {
    109 		x = _curx / 2;
    110 		y = _cury / 2;
    111 
    112 		if (_cury & 1) {
    113 		    if (_curx == 0)
    114 			dir = BOX::left;
    115 		    else {
    116 			x--;
    117 			dir = BOX::right;
    118 		    }
    119 		}
    120 
    121 		if (_curx & 1) {
    122 		    if (_cury == 0)
    123 			dir = BOX::top;
    124 		    else {
    125 			y--;
    126 			dir = BOX::bottom;
    127 		    }
    128 		}
    129 	    }
    130 	    return;
    131 
    132 	default:
    133 	    break;
    134 	}
    135 
    136         // We add 2 before the comparison to avoid underflow
    137 	if ((2 + _curx) - (_curx & 1) < 2)
    138 	    _curx = (b.nx() * 2) + (_curx & 1);
    139 	if (_curx >= (b.nx() * 2) + 1)
    140 	    _curx = (_curx & 1);
    141 
    142 	if ((2 + _cury) - (_cury & 1) < 2)
    143 	    _cury = (b.ny() * 2) + (_cury & 1);
    144 	if (_cury >= (b.ny() * 2) + 1)
    145 	    _cury = (_cury & 1);
    146 
    147 	b.setpos(_cury, _curx);
    148     }
    149 }
    150