1 /* $NetBSD: box.cc,v 1.3 2008/04/28 20:22:53 martin Exp $ */ 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" 36 RCSID("$NetBSD: box.cc,v 1.3 2008/04/28 20:22:53 martin Exp $") 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); 99 _b.getScrn()->addedge(edge(static_cast<EDGE>(e))); 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++) 140 cnt += isset(static_cast<EDGE>(e)); 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++) 148 clr(static_cast<EDGE>(e)); 149 name() = ' '; 150 } 151