NetBSD/games/dab/human.cc

150 lines
3.3 KiB
C++

/* $NetBSD: human.cc,v 1.3 2008/04/28 20:22:54 martin 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.
*
* 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.
*/
/*
* human.C: Human interface for dots, using rogue-like keys.
*/
#include "defs.h"
RCSID("$NetBSD: human.cc,v 1.3 2008/04/28 20:22:54 martin Exp $")
#include "human.h"
#include "board.h"
#include "box.h"
#include "ttyscrn.h"
#define CONTROL(a) ((a) & 037)
extern GAMESCREEN *sc;
HUMAN::HUMAN(const char c) :
PLAYER(c),
_curx(0),
_cury(1)
{
}
void HUMAN::play(const BOARD& b, size_t& y, size_t& x, int& dir)
{
int mv;
b.setpos(_cury, _curx);
for (;;) {
switch (mv = b.getmove()) {
case 'h': case 'H':
_curx -= 2;
break;
case 'l': case 'L':
_curx += 2;
break;
case 'k': case 'K':
_cury -= 2;
break;
case 'j': case 'J':
_cury += 2;
break;
case 'u': case 'U':
_curx += 1;
_cury -= 1;
break;
case 'y': case 'Y':
_curx -= 1;
_cury -= 1;
break;
case 'b': case 'B':
_curx -= 1;
_cury += 1;
break;
case 'n': case 'N':
_curx += 1;
_cury += 1;
break;
case 'q': case 'Q':
// Cleanup
delete sc;
exit(0);
case CONTROL('L'): case CONTROL('R'):
b.clean();
b.paint();
break;
case ' ':
{
x = _curx / 2;
y = _cury / 2;
if (_cury & 1) {
if (_curx == 0)
dir = BOX::left;
else {
x--;
dir = BOX::right;
}
}
if (_curx & 1) {
if (_cury == 0)
dir = BOX::top;
else {
y--;
dir = BOX::bottom;
}
}
}
return;
default:
break;
}
// We add 2 before the comparison to avoid underflow
if ((2 + _curx) - (_curx & 1) < 2)
_curx = (b.nx() * 2) + (_curx & 1);
if (_curx >= (b.nx() * 2) + 1)
_curx = (_curx & 1);
if ((2 + _cury) - (_cury & 1) < 2)
_cury = (b.ny() * 2) + (_cury & 1);
if (_cury >= (b.ny() * 2) + 1)
_cury = (_cury & 1);
b.setpos(_cury, _curx);
}
}