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Revision 1.4, Mon Apr 28 20:22:53 2008 UTC (12 years, 5 months ago) by martin
Branch: MAIN
CVS Tags: yamt-pf42-base4, yamt-pf42-base3, yamt-pf42-base2, yamt-pagecache-tag8, yamt-pagecache-base9, yamt-pagecache-base8, yamt-pagecache-base7, yamt-pagecache-base6, yamt-pagecache-base5, yamt-pagecache-base4, yamt-pagecache-base3, yamt-pagecache-base2, yamt-pagecache-base, yamt-pagecache, wrstuden-revivesa-base-3, wrstuden-revivesa-base-2, wrstuden-revivesa-base-1, wrstuden-revivesa-base, wrstuden-revivesa, tls-maxphys-base, tls-maxphys, tls-earlyentropy-base, tls-earlyentropy, riastradh-xf86-video-intel-2-7-1-pre-2-21-15, riastradh-drm2-base3, riastradh-drm2-base2, riastradh-drm2-base1, riastradh-drm2-base, riastradh-drm2, prg-localcount2-base3, prg-localcount2-base2, prg-localcount2-base1, prg-localcount2-base, prg-localcount2, phil-wifi-base, phil-wifi-20200421, phil-wifi-20200411, phil-wifi-20200406, phil-wifi-20191119, phil-wifi-20190609, phil-wifi, pgoyette-localcount-base, pgoyette-localcount-20170426, pgoyette-localcount-20170320, pgoyette-localcount-20170107, pgoyette-localcount-20161104, pgoyette-localcount-20160806, pgoyette-localcount-20160726, pgoyette-localcount, pgoyette-compat-merge-20190127, pgoyette-compat-base, pgoyette-compat-20190127, pgoyette-compat-20190118, pgoyette-compat-1226, pgoyette-compat-1126, pgoyette-compat-1020, pgoyette-compat-0930, pgoyette-compat-0906, pgoyette-compat-0728, pgoyette-compat-0625, pgoyette-compat-0521, pgoyette-compat-0502, pgoyette-compat-0422, pgoyette-compat-0415, pgoyette-compat-0407, pgoyette-compat-0330, pgoyette-compat-0322, pgoyette-compat-0315, pgoyette-compat, perseant-stdc-iso10646-base, perseant-stdc-iso10646, netbsd-9-base, netbsd-9-0-RELEASE, netbsd-9-0-RC2, netbsd-9-0-RC1, netbsd-9, netbsd-8-base, netbsd-8-2-RELEASE, netbsd-8-1-RELEASE, netbsd-8-1-RC1, netbsd-8-0-RELEASE, netbsd-8-0-RC2, netbsd-8-0-RC1, netbsd-8, netbsd-7-nhusb-base-20170116, netbsd-7-nhusb-base, netbsd-7-nhusb, netbsd-7-base, netbsd-7-2-RELEASE, netbsd-7-1-RELEASE, netbsd-7-1-RC2, netbsd-7-1-RC1, netbsd-7-1-2-RELEASE, netbsd-7-1-1-RELEASE, netbsd-7-1, netbsd-7-0-RELEASE, netbsd-7-0-RC3, netbsd-7-0-RC2, netbsd-7-0-RC1, netbsd-7-0-2-RELEASE, netbsd-7-0-1-RELEASE, netbsd-7-0, netbsd-7, netbsd-6-base, netbsd-6-1-RELEASE, netbsd-6-1-RC4, netbsd-6-1-RC3, netbsd-6-1-RC2, netbsd-6-1-RC1, netbsd-6-1-5-RELEASE, netbsd-6-1-4-RELEASE, netbsd-6-1-3-RELEASE, netbsd-6-1-2-RELEASE, netbsd-6-1-1-RELEASE, netbsd-6-1, netbsd-6-0-RELEASE, netbsd-6-0-RC2, netbsd-6-0-RC1, netbsd-6-0-6-RELEASE, netbsd-6-0-5-RELEASE, netbsd-6-0-4-RELEASE, netbsd-6-0-3-RELEASE, netbsd-6-0-2-RELEASE, netbsd-6-0-1-RELEASE, netbsd-6-0, netbsd-6, netbsd-5-base, netbsd-5-2-RELEASE, netbsd-5-2-RC1, netbsd-5-2-3-RELEASE, netbsd-5-2-2-RELEASE, netbsd-5-2-1-RELEASE, netbsd-5-2, netbsd-5-1-RELEASE, netbsd-5-1-RC4, netbsd-5-1-RC3, netbsd-5-1-RC2, netbsd-5-1-RC1, netbsd-5-1-5-RELEASE, netbsd-5-1-4-RELEASE, netbsd-5-1-3-RELEASE, netbsd-5-1-2-RELEASE, netbsd-5-1-1-RELEASE, netbsd-5-1, netbsd-5-0-RELEASE, netbsd-5-0-RC4, netbsd-5-0-RC3, netbsd-5-0-RC2, netbsd-5-0-RC1, netbsd-5-0-2-RELEASE, netbsd-5-0-1-RELEASE, netbsd-5-0, netbsd-5, matt-premerge-20091211, matt-nb8-mediatek-base, matt-nb8-mediatek, matt-nb6-plus-nbase, matt-nb6-plus-base, matt-nb6-plus, matt-nb5-pq3-base, matt-nb5-pq3, matt-nb5-mips64-u2-k2-k4-k7-k8-k9, matt-nb5-mips64-u1-k1-k5, matt-nb5-mips64-premerge-20101231, matt-nb5-mips64-premerge-20091211, matt-nb5-mips64-k15, matt-nb5-mips64, matt-nb4-mips64-k7-u2a-k9b, matt-mips64-premerge-20101231, matt-mips64-base2, localcount-20160914, jym-xensuspend-nbase, jym-xensuspend-base, jym-xensuspend, is-mlppp-base, is-mlppp, hpcarm-cleanup-nbase, cherry-xenmp-base, cherry-xenmp, bouyer-socketcan-base1, bouyer-socketcan-base, bouyer-socketcan, bouyer-quota2-nbase, bouyer-quota2-base, bouyer-quota2, agc-symver-base, agc-symver, HEAD
Changes since 1.3: +2 -9 lines

Remove clause 3 and 4 from TNF licenses

/*	$NetBSD: board.cc,v 1.4 2008/04/28 20:22:53 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.
 */

/*
 * board.C: Board manipulations
 */
#include "defs.h"
RCSID("$NetBSD: board.cc,v 1.4 2008/04/28 20:22:53 martin Exp $")

#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include "board.h"
#include "gamescreen.h"
#include "box.h"
#include "player.h"

BOARD::BOARD(size_t y, size_t x, GAMESCREEN* scrn) :
    _ny(y),
    _nx(x),
    _scrn(scrn)
{
    _ty = 2 * _ny + 1;
    _tx = 2 * _nx + 1;

    _b = new int*[_ty];

    for (y = 0; y < _ty; y++)
	_b[y] = new int[_tx];

    init();
}

BOARD::BOARD(const BOARD& b) :
    _ty(b._ty),
    _tx(b._tx),
    _ny(b._ny),
    _nx(b._nx),
    _scrn(NULL)
{
    _b = new int*[_ty];

    for (size_t y = 0; y < _ty; y++) {
	_b[y] = new int[_tx];
	static_cast<void>(memcpy(_b[y], b._b[y], _tx * sizeof(int)));
    }
}

BOARD::~BOARD()
{
    size_t y;

    for (y = 0; y < _ty; y++)
	delete[] _b[y];

    delete[] _b;
}

// Clear all boxes and reset state for a new game
void BOARD::init(void)
{
    size_t x, y;

    for (y = 0; y < _ny; y++) 
	for (x = 0; x < _nx; x++) {
	    BOX box(y, x, *this);
	    box.reset();
	}
}

/*
 * Make a move for player with initial 'c', adding an edge at box(x, y)
 * and the specified direction.
 * returns:
 *	-1:	Invalid move
 *	 n:	Number of closures n E [0..2]
 */
int BOARD::domove(size_t y, size_t x, int dir, char c)
{
    int closed = 0;

    // Check if out of bounds
    if (!bounds(y, x))
	return -1;

    BOX box1(y, x, *this);

    // Check if the edge is already there
    if (box1.isset(dir))
	return -1;

    box1.set(dir);

    if (box1.count() == 4) {
	// New box; name it and count it
	box1.name() = c;
	closed++;
    }

    box1.paint();

    // Check other box
    x += BOX::edges[dir].x;
    y += BOX::edges[dir].y;

    if (bounds(y, x)) {
	BOX box2(y, x, *this);
	if (box2.count() == 4) {
	    box2.name() = c;
	    box2.paint();
	    closed++;
	}
    }
    return closed;
}

// Return true if the board is full
int BOARD::full(void) const
{
    for (size_t y = 0; y < _ny; y++)
	for (size_t x = 0; x < _nx; x++) {
	    BOX box(y, x, const_cast<BOARD&>(*this));
	    if (box.count() != 4)
		return 0;
	}
    return 1;
}

// Return if the coordinates are within bounds; we don't check for < 0,
// since size_t is unsigned
int BOARD::bounds(size_t y, size_t x) const
{
    return x < _nx && y < _ny;
}

// Paint all boxes, effectively redrawing the board
void BOARD::paint(void) const
{
    for (size_t y = 0; y < _ny; y++)
	for (size_t x = 0; x < _nx; x++) {
	    BOX box(y, x, const_cast<BOARD&>(*this));
	    box.paint();
	}
}

// Clear the screen
void BOARD::clean(void) const
{
    if (!_scrn)
	return;
    _scrn->clean();
}

// Move cursor to x, y
void BOARD::setpos(size_t y, size_t x) const
{
    if (!_scrn)
	return;
    _scrn->moveto(y, x);
    _scrn->redraw();
}

// Return character indicating move
int BOARD::getmove(void) const
{
    if (!_scrn)
	return 'q';
    _scrn->redraw();
    return _scrn->getinput();
}

// Ring the bell
void BOARD::bell(void) const
{
    if (!_scrn)
	return;
    _scrn->bell();
}

// Post the score in the current game for player i
void BOARD::score(size_t i, const PLAYER& p)
{
    if (_scrn == NULL)
	return;
    _scrn->score(i, p);
}

// Post the number of games won for player i
void BOARD::games(size_t i, const PLAYER& p)
{
    if (_scrn == NULL)
	return;
    _scrn->games(i, p);
}

// Post the total score for player i
void BOARD::total(size_t i, const PLAYER& p)
{
    if (_scrn == NULL)
	return;
    _scrn->total(i, p);
}

// Post the total score for player i
void BOARD::ties(const PLAYER& p)
{
    if (_scrn == NULL)
	return;
    _scrn->ties(p);
}

// Internal algorithm error; post and abort
void BOARD::abort(const char* s, ...) const
{
    for (size_t i = 0; i < _ny; i++)
	fprintf(stderr, "\n");

    va_list ap;
    fprintf(stderr, "Algorithm internal error: ");
    va_start(ap, s);
    vfprintf(stderr, s, ap);
    va_end(ap);
    fprintf(stderr, "\n");
    ::abort();
}