xref: /netbsd-src/games/monop/misc.c (revision ce0bb6e8d2e560ecacbe865a848624f94498063b)
1 /*	$NetBSD: misc.c,v 1.4 1995/03/23 08:34:47 cgd 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. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #ifndef lint
37 #if 0
38 static char sccsid[] = "@(#)misc.c	8.1 (Berkeley) 5/31/93";
39 #else
40 static char rcsid[] = "$NetBSD: misc.c,v 1.4 1995/03/23 08:34:47 cgd Exp $";
41 #endif
42 #endif /* not lint */
43 
44 # include	"monop.ext"
45 # include	<ctype.h>
46 # include	<signal.h>
47 
48 /*
49  *	This routine executes a truncated set of commands until a
50  * "yes or "no" answer is gotten.
51  */
52 getyn(prompt)
53 reg char	*prompt; {
54 
55 	reg int	com;
56 
57 	for (;;)
58 		if ((com=getinp(prompt, yn)) < 2)
59 			return com;
60 		else
61 			(*func[com-2])();
62 }
63 /*
64  *	This routine tells the player if he's out of money.
65  */
66 notify() {
67 
68 	if (cur_p->money < 0)
69 		printf("That leaves you $%d in debt\n", -cur_p->money);
70 	else if (cur_p->money == 0)
71 		printf("that leaves you broke\n");
72 	else if (fixing && !told_em && cur_p->money > 0) {
73 		printf("-- You are now Solvent ---\n");
74 		told_em = TRUE;
75 	}
76 }
77 /*
78  *	This routine switches to the next player
79  */
80 next_play() {
81 
82 	player = ++player % num_play;
83 	cur_p = &play[player];
84 	num_doub = 0;
85 }
86 /*
87  *	This routine gets an integer from the keyboard after the
88  * given prompt.
89  */
90 get_int(prompt)
91 reg char	*prompt; {
92 
93 	reg int		num;
94 	reg char	*sp;
95 	char		buf[257];
96 
97 	for (;;) {
98 inter:
99 		printf(prompt);
100 		num = 0;
101 		for (sp = buf; (*sp=getchar()) != '\n'; sp++)
102 			if (*sp == -1)	/* check for interrupted system call */
103 				goto inter;
104 		if (sp == buf)
105 			continue;
106 		for (sp = buf; isspace(*sp); sp++)
107 			continue;
108 		for (; isdigit(*sp); sp++)
109 			num = num * 10 + *sp - '0';
110 		if (*sp == '\n')
111 			return num;
112 		else
113 			printf("I can't understand that\n");
114 	}
115 }
116 /*
117  *	This routine sets the monopoly flag from the list given.
118  */
119 set_ownlist(pl)
120 int	pl; {
121 
122 	reg int	num;		/* general counter		*/
123 	reg MON	*orig;		/* remember starting monop ptr	*/
124 	reg OWN	*op;		/* current owned prop		*/
125 	OWN	*orig_op;		/* origianl prop before loop	*/
126 
127 	op = play[pl].own_list;
128 #ifdef DEBUG
129 	printf("op [%d] = play[pl [%d] ].own_list;\n", op, pl);
130 #endif
131 	while (op) {
132 #ifdef DEBUG
133 		printf("op->sqr->type = %d\n", op->sqr->type);
134 #endif
135 		switch (op->sqr->type) {
136 		  case UTIL:
137 #ifdef DEBUG
138 			printf("  case UTIL:\n");
139 #endif
140 			for (num = 0; op && op->sqr->type == UTIL; op = op->next)
141 				num++;
142 			play[pl].num_util = num;
143 #ifdef DEBUG
144 			printf("play[pl].num_util = num [%d];\n", num);
145 #endif
146 			break;
147 		  case RR:
148 #ifdef DEBUG
149 			printf("  case RR:\n");
150 #endif
151 			for (num = 0; op && op->sqr->type == RR; op = op->next) {
152 #ifdef DEBUG
153 				printf("iter: %d\n", num);
154 				printf("op = %d, op->sqr = %d, op->sqr->type = %d\n", op, op->sqr, op->sqr->type);
155 #endif
156 				num++;
157 			}
158 			play[pl].num_rr = num;
159 #ifdef DEBUG
160 			printf("play[pl].num_rr = num [%d];\n", num);
161 #endif
162 			break;
163 		  case PRPTY:
164 #ifdef DEBUG
165 			printf("  case PRPTY:\n");
166 #endif
167 			orig = op->sqr->desc->mon_desc;
168 			orig_op = op;
169 			num = 0;
170 			while (op && op->sqr->desc->mon_desc == orig) {
171 #ifdef DEBUG
172 				printf("iter: %d\n", num);
173 #endif
174 				num++;
175 #ifdef DEBUG
176 				printf("op = op->next ");
177 #endif
178 				op = op->next;
179 #ifdef DEBUG
180 				printf("[%d];\n", op);
181 #endif
182 			}
183 #ifdef DEBUG
184 			printf("num = %d\n");
185 #endif
186 			if (orig == 0) {
187 				printf("panic:  bad monopoly descriptor: orig = %d\n", orig);
188 				printf("player # %d\n", pl+1);
189 				printhold(pl);
190 				printf("orig_op = %d\n", orig_op);
191 				printf("orig_op->sqr->type = %d (PRPTY)\n", op->sqr->type);
192 				printf("orig_op->next = %d\n", op->next);
193 				printf("orig_op->sqr->desc = %d\n", op->sqr->desc);
194 				printf("op = %d\n", op);
195 				printf("op->sqr->type = %d (PRPTY)\n", op->sqr->type);
196 				printf("op->next = %d\n", op->next);
197 				printf("op->sqr->desc = %d\n", op->sqr->desc);
198 				printf("num = %d\n", num);
199 			}
200 #ifdef DEBUG
201 			printf("orig->num_in = %d\n", orig->num_in);
202 #endif
203 			if (num == orig->num_in)
204 				is_monop(orig, pl);
205 			else
206 				isnot_monop(orig);
207 			break;
208 		}
209 	}
210 }
211 /*
212  *	This routine sets things up as if it is a new monopoly
213  */
214 is_monop(mp, pl)
215 reg MON	*mp;
216 int	pl; {
217 
218 	reg char	*sp;
219 	reg int		i;
220 
221 	mp->owner = pl;
222 	mp->num_own = mp->num_in;
223 	for (i = 0; i < mp->num_in; i++)
224 		mp->sq[i]->desc->monop = TRUE;
225 	mp->name = mp->mon_n;
226 }
227 /*
228  *	This routine sets things up as if it is no longer a monopoly
229  */
230 isnot_monop(mp)
231 reg MON	*mp; {
232 
233 	reg char	*sp;
234 	reg int		i;
235 
236 	mp->owner = -1;
237 	for (i = 0; i < mp->num_in; i++)
238 		mp->sq[i]->desc->monop = FALSE;
239 	mp->name = mp->not_m;
240 }
241 /*
242  *	This routine gives a list of the current player's routine
243  */
244 list() {
245 
246 	printhold(player);
247 }
248 /*
249  *	This routine gives a list of a given players holdings
250  */
251 list_all() {
252 
253 	reg int	pl;
254 
255 	while ((pl=getinp("Whose holdings do you want to see? ", name_list)) < num_play)
256 		printhold(pl);
257 }
258 /*
259  *	This routine gives the players a chance before it exits.
260  */
261 void
262 quit() {
263 
264 	putchar('\n');
265 	if (getyn("Do you all really want to quit? ", yn) == 0)
266 		exit(0);
267 	signal(SIGINT, quit);
268 }
269 /*
270  *	This routine copies one structure to another
271  */
272 cpy_st(s1, s2, size)
273 reg int	*s1, *s2, size; {
274 
275 	size /= 2;
276 	while (size--)
277 		*s1++ = *s2++;
278 }
279