xref: /netbsd-src/games/backgammon/common_source/board.c (revision 9795f61a5af380f665d92198f5c50f2cfdc80167)
1 /*	$NetBSD: board.c,v 1.9 2009/08/12 05:17:57 dholland Exp $	*/
2 
3 /*
4  * Copyright (c) 1980, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the University nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 #ifndef lint
34 #if 0
35 static char sccsid[] = "@(#)board.c	8.1 (Berkeley) 5/31/93";
36 #else
37 __RCSID("$NetBSD: board.c,v 1.9 2009/08/12 05:17:57 dholland Exp $");
38 #endif
39 #endif /* not lint */
40 
41 #include "back.h"
42 
43 static int i, j, k;
44 static char ln[60];
45 
46 static void wrbsub(void);
47 
48 void
wrboard(void)49 wrboard(void)
50 {
51 	int     l;
52 	static const char bl[] =
53 	"|                       |   |                       |\n";
54 	static const char sv[] =
55 	"|                       |   |                       |    \n";
56 
57 	fixtty(&noech);
58 	clear();
59 
60 	if (tflag) {
61 		fboard();
62 		goto lastline;
63 	}
64 	writel("_____________________________________________________\n");
65 	writel(bl);
66 	strcpy(ln, bl);
67 	for (j = 1; j < 50; j += 4) {
68 		k = j / 4 + (j > 24 ? 12 : 13);
69 		ln[j + 1] = k % 10 + '0';
70 		ln[j] = k / 10 + '0';
71 		if (j == 21)
72 			j += 4;
73 	}
74 	writel(ln);
75 	for (i = 0; i < 5; i++) {
76 		strcpy(ln, sv);
77 		for (j = 1; j < 50; j += 4) {
78 			k = j / 4 + (j > 24 ? 12 : 13);
79 			wrbsub();
80 			if (j == 21)
81 				j += 4;
82 		}
83 		if (-board[25] > i)
84 			ln[26] = 'w';
85 		if (-board[25] > i + 5)
86 			ln[25] = 'w';
87 		if (-board[25] > i + 10)
88 			ln[27] = 'w';
89 		l = 53;
90 		if (off[1] > i || (off[1] < 0 && off[1] + 15 > i)) {
91 			ln[54] = 'r';
92 			l = 55;
93 		}
94 		if (off[1] > i + 5 || (off[1] < 0 && off[1] + 15 > i + 5)) {
95 			ln[55] = 'r';
96 			l = 56;
97 		}
98 		if (off[1] > i + 10 || (off[1] < 0 && off[1] + 15 > i + 10)) {
99 			ln[56] = 'r';
100 			l = 57;
101 		}
102 		ln[l++] = '\n';
103 		ln[l] = '\0';
104 		writel(ln);
105 	}
106 	strcpy(ln, bl);
107 	ln[25] = 'B';
108 	ln[26] = 'A';
109 	ln[27] = 'R';
110 	writel(ln);
111 	strcpy(ln, sv);
112 	for (i = 4; i > -1; i--) {
113 		for (j = 1; j < 50; j += 4) {
114 			k = ((j > 24 ? 53 : 49) - j) / 4;
115 			wrbsub();
116 			if (j == 21)
117 				j += 4;
118 		}
119 		if (board[0] > i)
120 			ln[26] = 'r';
121 		if (board[0] > i + 5)
122 			ln[25] = 'r';
123 		if (board[0] > i + 10)
124 			ln[27] = 'r';
125 		l = 53;
126 		if (off[0] > i || (off[0] < 0 && off[0] + 15 > i)) {
127 			ln[54] = 'w';
128 			l = 55;
129 		}
130 		if (off[0] > i + 5 || (off[0] < 0 && off[0] + 15 > i + 5)) {
131 			ln[55] = 'w';
132 			l = 56;
133 		}
134 		if (off[0] > i + 10 || (off[0] < 0 && off[0] + 15 > i + 10)) {
135 			ln[56] = 'w';
136 			l = 57;
137 		}
138 		ln[l++] = '\n';
139 		ln[l] = '\0';
140 		writel(ln);
141 	}
142 	strcpy(ln, bl);
143 	for (j = 1; j < 50; j += 4) {
144 		k = ((j > 24 ? 53 : 49) - j) / 4;
145 		ln[j + 1] = k % 10 + '0';
146 		if (k > 9)
147 			ln[j] = k / 10 + '0';
148 		if (j == 21)
149 			j += 4;
150 	}
151 	writel(ln);
152 	writel("|_______________________|___|_______________________|\n");
153 
154 lastline:
155 	gwrite();
156 	if (tflag)
157 		curmove(18, 0);
158 	else {
159 		writec('\n');
160 		writec('\n');
161 	}
162 	fixtty(&raw);
163 }
164 
165 static void
wrbsub(void)166 wrbsub(void)
167 {
168 	int     m;
169 	char    d;
170 
171 	if (board[k] > 0) {
172 		m = board[k];
173 		d = 'r';
174 	} else {
175 		m = -board[k];
176 		d = 'w';
177 	}
178 	if (m > i)
179 		ln[j + 1] = d;
180 	if (m > i + 5)
181 		ln[j] = d;
182 	if (m > i + 10)
183 		ln[j + 2] = d;
184 }
185