Annotation of src/games/dab/box.cc, Revision 1.3
1.3 ! martin 1: /* $NetBSD: box.cc,v 1.2 2005/08/09 02:38:32 christos Exp $ */
1.1 christos 2:
3: /*-
4: * Copyright (c) 2003 The NetBSD Foundation, Inc.
5: * All rights reserved.
6: *
7: * This code is derived from software contributed to The NetBSD Foundation
8: * by Christos Zoulas.
9: *
10: * Redistribution and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
13: * 1. Redistributions of source code must retain the above copyright
14: * notice, this list of conditions and the following disclaimer.
15: * 2. Redistributions in binary form must reproduce the above copyright
16: * notice, this list of conditions and the following disclaimer in the
17: * documentation and/or other materials provided with the distribution.
18: *
19: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29: * POSSIBILITY OF SUCH DAMAGE.
30: */
31:
32: /*
33: * box.C: Box computations
34: */
35: #include "defs.h"
1.3 ! martin 36: RCSID("$NetBSD: box.cc,v 1.2 2005/08/09 02:38:32 christos Exp $")
1.1 christos 37:
38: #include "box.h"
39: #include "board.h"
40: #include "gamescreen.h"
41: #include <curses.h>
42:
43: const POINT BOX::edges[BOX::last] =
44: { { 0, -1 }, { 0, 1 }, { -1, 0 }, { 1, 0 } };
45: const POINT BOX::corners[BOX::last] =
46: { { -1, -1 }, { -1, 1 }, { 1, -1 }, { 1, 1 } };
47: const int BOX::syms[BOX::last] =
48: { GAMESCREEN::GS_HLINE, GAMESCREEN::GS_HLINE,
49: GAMESCREEN::GS_VLINE, GAMESCREEN::GS_VLINE };
50:
51: BOX::BOX(size_t py, size_t px, BOARD& b) :
52: _b(b)
53: {
54: _centery = py * 2 + 1;
55: _centerx = px * 2 + 1;
56: }
57:
58: void BOX::addcorner(size_t y, size_t x)
59: {
60: char sym;
61: _b.getScrn()->moveto(y, x);
62: if (x == 0) {
63: if (y == 0)
64: sym = GAMESCREEN::GS_ULCORNER;
65: else if (y == _b.ty() - 1)
66: sym = GAMESCREEN::GS_LLCORNER;
67: else
68: sym = GAMESCREEN::GS_LTEE;
69: } else if (x == _b.tx() - 1) {
70: if (y == 0)
71: sym = GAMESCREEN::GS_URCORNER;
72: else if (y == _b.ty() - 1)
73: sym = GAMESCREEN::GS_LRCORNER;
74: else
75: sym = GAMESCREEN::GS_RTEE;
76: } else if (y == 0)
77: sym = GAMESCREEN::GS_TTEE;
78: else if (y == _b.ty() - 1)
79: sym = GAMESCREEN::GS_BTEE;
80: else
81: sym = GAMESCREEN::GS_PLUS;
82:
83: _b.getScrn()->addedge(sym);
84: }
85:
86: // Paint a box
87: void BOX::paint(void)
88: {
89: int e;
90: if (_b.getScrn() == NULL)
91: return;
92:
93: _b.getScrn()->moveto(_centery, _centerx);
94: _b.getScrn()->addsym(name());
95:
96: for (e = BOX::first; e < BOX::last; e++) {
97: addcorner(_centery + corners[e].y, _centerx + corners[e].x);
98: _b.getScrn()->moveto(_centery + edges[e].y, _centerx + edges[e].x);
1.2 christos 99: _b.getScrn()->addedge(edge(static_cast<EDGE>(e)));
1.1 christos 100: }
101: _b.getScrn()->redraw();
102: }
103:
104: // Return the name
105: int& BOX::name(void)
106: {
107: return _b.data(_centery, _centerx);
108: }
109:
110: // Set an edge
111: void BOX::set(int e)
112: {
113: _b.data(_centery + edges[e].y, _centerx + edges[e].x) = syms[e];
114: }
115:
116: // Clear an edge
117: void BOX::clr(int e)
118: {
119: _b.data(_centery + edges[e].y, _centerx + edges[e].x) = ' ';
120: }
121:
122: // Test an edge
123: int BOX::isset(int e) const
124: {
125: return _b.data(_centery + edges[e].y, _centerx + edges[e].x) != ' ';
126: }
127:
128: // Return the edge
129: int& BOX::edge(int e)
130: {
131: return _b.data(_centery + edges[e].y, _centerx + edges[e].x);
132: }
133:
134: // Count the number of edges set in the box
135: int BOX::count(void) const
136: {
137: int cnt = 0;
138:
139: for (int e = BOX::first; e < BOX::last; e++)
1.2 christos 140: cnt += isset(static_cast<EDGE>(e));
1.1 christos 141: return cnt;
142: }
143:
144: // Clear the box
145: void BOX::reset(void)
146: {
147: for (int e = BOX::first; e < BOX::last; e++)
1.2 christos 148: clr(static_cast<EDGE>(e));
1.1 christos 149: name() = ' ';
150: }
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