xref: /openbsd-src/games/monop/misc.c (revision 91f110e064cd7c194e59e019b83bb7496c1c84d4)
1 /*	$OpenBSD: misc.c,v 1.11 2010/05/10 08:53:12 nicm Exp $	*/
2 /*	$NetBSD: misc.c,v 1.4 1995/03/23 08:34:47 cgd Exp $	*/
3 
4 /*
5  * Copyright (c) 1980, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  */
32 
33 #include	"monop.ext"
34 #include	<ctype.h>
35 #include	<signal.h>
36 
37 /*
38  *	This routine executes a truncated set of commands until a
39  * "yes or "no" answer is gotten.
40  */
41 int
42 getyn(prompt)
43 	char	*prompt;
44 {
45 	int	com;
46 
47 	for (;;)
48 		if ((com=getinp(prompt, ynlist)) < 2)
49 			return com;
50 		else
51 			(*func[com-2])();
52 }
53 /*
54  *	This routine tells the player if he's out of money.
55  */
56 void
57 notify()
58 {
59 	if (cur_p->money < 0)
60 		printf("That leaves you $%d in debt\n", -cur_p->money);
61 	else if (cur_p->money == 0)
62 		printf("that leaves you broke\n");
63 	else if (fixing && !told_em && cur_p->money > 0) {
64 		printf("-- You are now Solvent ---\n");
65 		told_em = TRUE;
66 	}
67 }
68 /*
69  *	This routine switches to the next player
70  */
71 void
72 next_play()
73 {
74 	player = (player + 1) % num_play;
75 	cur_p = &play[player];
76 	num_doub = 0;
77 }
78 /*
79  *	This routine gets an integer from the keyboard after the
80  * given prompt.
81  */
82 int
83 get_int(prompt)
84 	char	*prompt;
85 {
86 	int	num, snum;
87 	char	*sp;
88 	int	c, i;
89 	char	buf[257];
90 
91 	for (;;) {
92 		printf("%s", prompt);
93 		num = 0;
94 		i = 1;
95 		for (sp = buf; (c = getchar()) != '\n';) {
96 			if (c == EOF) {
97 				printf("user closed input stream, quitting...\n");
98 				exit(0);
99 			}
100 			*sp = c;
101 			if (i < (int)sizeof(buf)) {
102 				i++;
103 				sp++;
104 			}
105 		}
106 		*sp = c;
107 		if (sp == buf)
108 			continue;
109 		for (sp = buf; isspace(*sp); sp++)
110 			;
111 		for (; isdigit(*sp); sp++) {
112 			snum = num;
113 			num = num * 10 + *sp - '0';
114 			if (num < snum) {
115 				printf("Number too large - ");
116 				*(sp + 1) = 'X';	/* Force a break */
117 			}
118 		}
119 		/* Be kind to trailing spaces */
120 		for (; *sp == ' '; sp++)
121 			;
122 		if (*sp == '\n')
123 			return num;
124 		else
125 			printf("I can't understand that\n");
126 	}
127 }
128 /*
129  *	This routine sets the monopoly flag from the list given.
130  */
131 void
132 set_ownlist(pl)
133 	int	pl;
134 {
135 	int	num;		/* general counter		*/
136 	MON	*orig;		/* remember starting monop ptr	*/
137 	OWN	*op;		/* current owned prop		*/
138 	OWN	*orig_op;		/* origianl prop before loop	*/
139 
140 	op = play[pl].own_list;
141 #ifdef DEBUG
142 	printf("op [%p] = play[pl [%d] ].own_list;\n", op, pl);
143 #endif
144 	while (op) {
145 #ifdef DEBUG
146 		printf("op->sqr->type = %d\n", op->sqr->type);
147 #endif
148 		switch (op->sqr->type) {
149 		  case UTIL:
150 #ifdef DEBUG
151 			printf("  case UTIL:\n");
152 #endif
153 			for (num = 0; op && op->sqr->type == UTIL; op = op->next)
154 				num++;
155 			play[pl].num_util = num;
156 #ifdef DEBUG
157 			printf("play[pl].num_util = num [%d];\n", num);
158 #endif
159 			break;
160 		  case RR:
161 #ifdef DEBUG
162 			printf("  case RR:\n");
163 #endif
164 			for (num = 0; op && op->sqr->type == RR; op = op->next) {
165 #ifdef DEBUG
166 				printf("iter: %d\n", num);
167 				printf("op = %p, op->sqr = %p, op->sqr->type = %d\n", op, op->sqr, op->sqr->type);
168 #endif
169 				num++;
170 			}
171 			play[pl].num_rr = num;
172 #ifdef DEBUG
173 			printf("play[pl].num_rr = num [%d];\n", num);
174 #endif
175 			break;
176 		  case PRPTY:
177 #ifdef DEBUG
178 			printf("  case PRPTY:\n");
179 #endif
180 			orig = op->sqr->desc->mon_desc;
181 			orig_op = op;
182 			num = 0;
183 			while (op && op->sqr->desc->mon_desc == orig) {
184 #ifdef DEBUG
185 				printf("iter: %d\n", num);
186 #endif
187 				num++;
188 #ifdef DEBUG
189 				printf("op = op->next ");
190 #endif
191 				op = op->next;
192 #ifdef DEBUG
193 				printf("[%p];\n", op);
194 #endif
195 			}
196 #ifdef DEBUG
197 			printf("num = %d\n", num);
198 #endif
199 			if (orig == NULL) {
200 				printf("panic:  bad monopoly descriptor: orig = %p\n", orig);
201 				printf("player # %d\n", pl+1);
202 				printhold(pl);
203 				printf("orig_op = %p\n", orig_op);
204 				if (orig_op) {
205 					printf("orig_op->sqr->type = %d (PRPTY)\n",
206 					    orig_op->sqr->type);
207 					printf("orig_op->next = %p\n",
208 					    orig_op->next);
209 					printf("orig_op->sqr->desc = %p\n",
210 					    orig_op->sqr->desc);
211 				}
212 				printf("op = %p\n", op);
213 				if (op) {
214 					printf("op->sqr->type = %d (PRPTY)\n",
215 					    op->sqr->type);
216 					printf("op->next = %p\n", op->next);
217 					printf("op->sqr->desc = %p\n",
218 					    op->sqr->desc);
219 				}
220 				printf("num = %d\n", num);
221 				exit(1);
222 			}
223 #ifdef DEBUG
224 			printf("orig->num_in = %d\n", orig->num_in);
225 #endif
226 			if (num == orig->num_in)
227 				is_monop(orig, pl);
228 			else
229 				isnot_monop(orig);
230 			break;
231 		}
232 	}
233 }
234 /*
235  *	This routine sets things up as if it is a new monopoly
236  */
237 void
238 is_monop(mp, pl)
239 	MON	*mp;
240 	int	pl;
241 {
242 	int	i;
243 
244 	mp->owner = pl;
245 	mp->num_own = mp->num_in;
246 	for (i = 0; i < mp->num_in; i++)
247 		mp->sq[i]->desc->monop = TRUE;
248 	mp->name = mp->mon_n;
249 }
250 /*
251  *	This routine sets things up as if it is no longer a monopoly
252  */
253 void
254 isnot_monop(mp)
255 	MON	*mp;
256 {
257 	int	i;
258 
259 	mp->owner = -1;
260 	for (i = 0; i < mp->num_in; i++)
261 		mp->sq[i]->desc->monop = FALSE;
262 	mp->name = mp->not_m;
263 }
264 /*
265  *	This routine gives a list of the current player's routine
266  */
267 void
268 list()
269 {
270 	printhold(player);
271 }
272 /*
273  *	This routine gives a list of a given players holdings
274  */
275 void
276 list_all()
277 {
278 	int	pl;
279 
280 	while ((pl=getinp("Whose holdings do you want to see? ", name_list)) < num_play)
281 		printhold(pl);
282 }
283 /*
284  *	This routine gives the players a chance before it exits.
285  */
286 void
287 quit()
288 {
289 	putchar('\n');
290 	if (getyn("Do you all really want to quit? ") == 0)
291 		exit(0);
292 }
293