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/* $NetBSD: box.cc,v 1.3 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.
*/
/*
* box.C: Box computations
*/
#include "defs.h"
RCSID("$NetBSD: box.cc,v 1.3 2008/04/28 20:22:53 martin Exp $")
#include "box.h"
#include "board.h"
#include "gamescreen.h"
#include <curses.h>
const POINT BOX::edges[BOX::last] =
{ { 0, -1 }, { 0, 1 }, { -1, 0 }, { 1, 0 } };
const POINT BOX::corners[BOX::last] =
{ { -1, -1 }, { -1, 1 }, { 1, -1 }, { 1, 1 } };
const int BOX::syms[BOX::last] =
{ GAMESCREEN::GS_HLINE, GAMESCREEN::GS_HLINE,
GAMESCREEN::GS_VLINE, GAMESCREEN::GS_VLINE };
BOX::BOX(size_t py, size_t px, BOARD& b) :
_b(b)
{
_centery = py * 2 + 1;
_centerx = px * 2 + 1;
}
void BOX::addcorner(size_t y, size_t x)
{
char sym;
_b.getScrn()->moveto(y, x);
if (x == 0) {
if (y == 0)
sym = GAMESCREEN::GS_ULCORNER;
else if (y == _b.ty() - 1)
sym = GAMESCREEN::GS_LLCORNER;
else
sym = GAMESCREEN::GS_LTEE;
} else if (x == _b.tx() - 1) {
if (y == 0)
sym = GAMESCREEN::GS_URCORNER;
else if (y == _b.ty() - 1)
sym = GAMESCREEN::GS_LRCORNER;
else
sym = GAMESCREEN::GS_RTEE;
} else if (y == 0)
sym = GAMESCREEN::GS_TTEE;
else if (y == _b.ty() - 1)
sym = GAMESCREEN::GS_BTEE;
else
sym = GAMESCREEN::GS_PLUS;
_b.getScrn()->addedge(sym);
}
// Paint a box
void BOX::paint(void)
{
int e;
if (_b.getScrn() == NULL)
return;
_b.getScrn()->moveto(_centery, _centerx);
_b.getScrn()->addsym(name());
for (e = BOX::first; e < BOX::last; e++) {
addcorner(_centery + corners[e].y, _centerx + corners[e].x);
_b.getScrn()->moveto(_centery + edges[e].y, _centerx + edges[e].x);
_b.getScrn()->addedge(edge(static_cast<EDGE>(e)));
}
_b.getScrn()->redraw();
}
// Return the name
int& BOX::name(void)
{
return _b.data(_centery, _centerx);
}
// Set an edge
void BOX::set(int e)
{
_b.data(_centery + edges[e].y, _centerx + edges[e].x) = syms[e];
}
// Clear an edge
void BOX::clr(int e)
{
_b.data(_centery + edges[e].y, _centerx + edges[e].x) = ' ';
}
// Test an edge
int BOX::isset(int e) const
{
return _b.data(_centery + edges[e].y, _centerx + edges[e].x) != ' ';
}
// Return the edge
int& BOX::edge(int e)
{
return _b.data(_centery + edges[e].y, _centerx + edges[e].x);
}
// Count the number of edges set in the box
int BOX::count(void) const
{
int cnt = 0;
for (int e = BOX::first; e < BOX::last; e++)
cnt += isset(static_cast<EDGE>(e));
return cnt;
}
// Clear the box
void BOX::reset(void)
{
for (int e = BOX::first; e < BOX::last; e++)
clr(static_cast<EDGE>(e));
name() = ' ';
}
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