xref: /netbsd-src/games/backgammon/common_source/board.c (revision ce63d6c20fc4ec8ddc95c84bb229e3c4ecf82b69)
1 /*
2  * Copyright (c) 1980 Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  */
33 
34 #ifndef lint
35 static char sccsid[] = "@(#)board.c	5.4 (Berkeley) 6/1/90";
36 #endif /* not lint */
37 
38 #include "back.h"
39 
40 static int	i, j, k;
41 static char	ln[60];
42 
43 wrboard ()  {
44 	register int	l;
45 	static char	bl[] =
46 		"|                       |   |                       |\n";
47 	static char	sv[] =
48 		"|                       |   |                       |    \n";
49 
50 	fixtty (noech);
51 	clear();
52 
53 	if (tflag)  {
54 		fboard();
55 		goto lastline;
56 	}
57 
58 	writel ("_____________________________________________________\n");
59 	writel (bl);
60 	strcpy (ln,bl);
61 	for (j = 1; j < 50; j += 4) {
62 		k = j/4+(j > 24? 12: 13);
63 		ln[j+1] = k%10+'0';
64 		ln[j] = k/10+'0';
65 		if (j == 21)
66 			j += 4;
67 	}
68 	writel (ln);
69 	for (i = 0; i < 5; i++) {
70 		strcpy (ln,sv);
71 		for (j = 1; j < 50; j += 4) {
72 			k = j/4+(j > 24? 12: 13);
73 			wrbsub ();
74 			if (j == 21)
75 				j += 4;
76 		}
77 		if (-board[25] > i)
78 			ln[26] = 'w';
79 		if (-board[25] > i+5)
80 			ln[25] = 'w';
81 		if (-board[25] > i+10)
82 			ln[27] = 'w';
83 		l = 53;
84 		if (off[1] > i || (off[1] < 0 && off[1]+15 > i))  {
85 			ln[54] = 'r';
86 			l = 55;
87 		}
88 		if (off[1] > i+5 || (off[1] < 0 && off[1]+15 > i+5))  {
89 			ln[55] = 'r';
90 			l = 56;
91 		}
92 		if (off[1] > i+10 || (off[1] < 0 && off[1]+15 > i+10))  {
93 			ln[56] = 'r';
94 			l = 57;
95 		}
96 		ln[l++] = '\n';
97 		ln[l] = '\0';
98 		writel (ln);
99 	}
100 	strcpy (ln,bl);
101 	ln[25] = 'B';
102 	ln[26] = 'A';
103 	ln[27] = 'R';
104 	writel (ln);
105 	strcpy (ln,sv);
106 	for (i = 4; i > -1; i--) {
107 		for (j = 1; j < 50; j += 4) {
108 			k = ((j > 24? 53: 49)-j)/4;
109 			wrbsub();
110 			if (j == 21)
111 				j += 4;
112 		}
113 		if (board[0] > i)
114 			ln[26] = 'r';
115 		if (board[0] > i+5)
116 			ln[25] = 'r';
117 		if (board[0] > i+10)
118 			ln[27] = 'r';
119 		l = 53;
120 		if (off[0] > i || (off[0] < 0 && off[0]+15 > i))  {
121 			ln[54] = 'w';
122 			l = 55;
123 		}
124 		if (off[0] > i+5 || (off[0] < 0 && off[0]+15 > i+5))  {
125 			ln[55] = 'w';
126 			l = 56;
127 		}
128 		if (off[0] > i+10 || (off[0] < 0 && off[0]+15 > i+10))  {
129 			ln[56] = 'w';
130 			l = 57;
131 		}
132 		ln[l++] = '\n';
133 		ln[l] = '\0';
134 		writel (ln);
135 	}
136 	strcpy (ln,bl);
137 	for (j = 1; j < 50; j += 4) {
138 		k = ((j > 24? 53: 49)-j)/4;
139 		ln[j+1] = k%10+'0';
140 		if (k > 9)
141 			ln[j] = k/10+'0';
142 		if (j == 21)
143 			j += 4;
144 	}
145 	writel (ln);
146 	writel ("|_______________________|___|_______________________|\n");
147 
148 lastline:
149 	gwrite ();
150 	if (tflag)
151 		curmove (18,0);
152 	else  {
153 		writec ('\n');
154 		writec ('\n');
155 	}
156 	fixtty(raw);
157 }
158 
159 wrbsub () {
160 	register int	m;
161 	register char	d;
162 
163 	if (board[k] > 0)  {
164 		m = board[k];
165 		d = 'r';
166 	} else {
167 		m = -board[k];
168 		d = 'w';
169 	}
170 	if (m>i)
171 		ln[j+1] = d;
172 	if (m>i+5)
173 		ln[j] = d;
174 	if (m>i+10)
175 		ln[j+2] = d;
176 }
177