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Diffstat (limited to 'dab/box.cc')
| -rw-r--r-- | dab/box.cc | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/dab/box.cc b/dab/box.cc new file mode 100644 index 00000000..ed9cadbc --- /dev/null +++ b/dab/box.cc @@ -0,0 +1,157 @@ +/* $NetBSD: box.cc,v 1.1 2003/12/27 01:16:55 christos 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the NetBSD + * Foundation, Inc. and its contributors. + * 4. Neither the name of The NetBSD Foundation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * 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 1.1 2003/12/27 01:16:55 christos 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((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((EDGE) e); + return cnt; +} + +// Clear the box +void BOX::reset(void) +{ + for (int e = BOX::first; e < BOX::last; e++) + clr((EDGE) e); + name() = ' '; +} |