151 lines
4.0 KiB
C++
151 lines
4.0 KiB
C++
/* $NetBSD: box.cc,v 1.3 2008/04/28 20:22:53 martin Exp $ */
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/*-
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* Copyright (c) 2003 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Christos Zoulas.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* box.C: Box computations
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*/
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#include "defs.h"
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RCSID("$NetBSD: box.cc,v 1.3 2008/04/28 20:22:53 martin Exp $")
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#include "box.h"
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#include "board.h"
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#include "gamescreen.h"
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#include <curses.h>
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const POINT BOX::edges[BOX::last] =
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{ { 0, -1 }, { 0, 1 }, { -1, 0 }, { 1, 0 } };
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const POINT BOX::corners[BOX::last] =
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{ { -1, -1 }, { -1, 1 }, { 1, -1 }, { 1, 1 } };
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const int BOX::syms[BOX::last] =
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{ GAMESCREEN::GS_HLINE, GAMESCREEN::GS_HLINE,
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GAMESCREEN::GS_VLINE, GAMESCREEN::GS_VLINE };
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BOX::BOX(size_t py, size_t px, BOARD& b) :
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_b(b)
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{
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_centery = py * 2 + 1;
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_centerx = px * 2 + 1;
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}
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void BOX::addcorner(size_t y, size_t x)
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{
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char sym;
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_b.getScrn()->moveto(y, x);
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if (x == 0) {
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if (y == 0)
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sym = GAMESCREEN::GS_ULCORNER;
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else if (y == _b.ty() - 1)
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sym = GAMESCREEN::GS_LLCORNER;
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else
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sym = GAMESCREEN::GS_LTEE;
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} else if (x == _b.tx() - 1) {
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if (y == 0)
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sym = GAMESCREEN::GS_URCORNER;
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else if (y == _b.ty() - 1)
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sym = GAMESCREEN::GS_LRCORNER;
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else
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sym = GAMESCREEN::GS_RTEE;
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} else if (y == 0)
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sym = GAMESCREEN::GS_TTEE;
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else if (y == _b.ty() - 1)
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sym = GAMESCREEN::GS_BTEE;
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else
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sym = GAMESCREEN::GS_PLUS;
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_b.getScrn()->addedge(sym);
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}
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// Paint a box
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void BOX::paint(void)
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{
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int e;
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if (_b.getScrn() == NULL)
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return;
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_b.getScrn()->moveto(_centery, _centerx);
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_b.getScrn()->addsym(name());
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for (e = BOX::first; e < BOX::last; e++) {
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addcorner(_centery + corners[e].y, _centerx + corners[e].x);
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_b.getScrn()->moveto(_centery + edges[e].y, _centerx + edges[e].x);
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_b.getScrn()->addedge(edge(static_cast<EDGE>(e)));
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}
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_b.getScrn()->redraw();
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}
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// Return the name
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int& BOX::name(void)
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{
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return _b.data(_centery, _centerx);
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}
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// Set an edge
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void BOX::set(int e)
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{
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_b.data(_centery + edges[e].y, _centerx + edges[e].x) = syms[e];
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}
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// Clear an edge
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void BOX::clr(int e)
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{
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_b.data(_centery + edges[e].y, _centerx + edges[e].x) = ' ';
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}
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// Test an edge
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int BOX::isset(int e) const
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{
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return _b.data(_centery + edges[e].y, _centerx + edges[e].x) != ' ';
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}
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// Return the edge
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int& BOX::edge(int e)
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{
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return _b.data(_centery + edges[e].y, _centerx + edges[e].x);
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}
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// Count the number of edges set in the box
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int BOX::count(void) const
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{
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int cnt = 0;
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for (int e = BOX::first; e < BOX::last; e++)
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cnt += isset(static_cast<EDGE>(e));
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return cnt;
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}
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// Clear the box
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void BOX::reset(void)
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{
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for (int e = BOX::first; e < BOX::last; e++)
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clr(static_cast<EDGE>(e));
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name() = ' ';
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}
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