xref: /netbsd-src/games/monop/prop.c (revision 267197ec1eebfcb9810ea27a89625b6ddf68e3e7)
1 /*	$NetBSD: prop.c,v 1.12 2008/01/28 06:16:13 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[] = "@(#)prop.c	8.1 (Berkeley) 5/31/93";
36 #else
37 __RCSID("$NetBSD: prop.c,v 1.12 2008/01/28 06:16:13 dholland Exp $");
38 #endif
39 #endif /* not lint */
40 
41 #include <stdlib.h>
42 #include "monop.ext"
43 
44 static int value(SQUARE *);
45 
46 /*
47  *	This routine deals with buying property, setting all the
48  * appropriate flags.
49  */
50 void
51 buy(playernum, sqrp)
52 	int playernum;
53 	SQUARE *sqrp;
54 {
55 	trading = FALSE;
56 	sqrp->owner = playernum;
57 	add_list(playernum, &(play[playernum].own_list), cur_p->loc);
58 }
59 
60 /*
61  *	This routine adds an item to the list.
62  */
63 void
64 add_list(plr, head, op_sqr)
65 	int plr;
66 	OWN **head;
67 	int op_sqr;
68 {
69 	int val;
70 	OWN *tp, *last_tp;
71 	OWN *op;
72 
73 	op = (OWN *)calloc(1, sizeof (OWN));
74 	if (op == NULL)
75 		errx(1, "out of memory");
76 	op->sqr = &board[op_sqr];
77 	val = value(op->sqr);
78 	last_tp = NULL;
79 	for (tp = *head; tp && value(tp->sqr) < val; tp = tp->next)
80 		if (val == value(tp->sqr)) {
81 			free(op);
82 			return;
83 		}
84 		else
85 			last_tp = tp;
86 	op->next = tp;
87 	if (last_tp != NULL)
88 		last_tp->next = op;
89 	else
90 		*head = op;
91 	if (!trading)
92 		set_ownlist(plr);
93 }
94 
95 /*
96  *	This routine deletes property from the list.
97  */
98 void
99 del_list(plr, head, op_sqr)
100 	int plr;
101 	OWN **head;
102 	short op_sqr;
103 {
104 	OWN *op, *last_op;
105 
106 	switch (board[op_sqr].type) {
107 	  case PRPTY:
108 		board[op_sqr].desc->mon_desc->num_own--;
109 		break;
110 	  case RR:
111 		play[plr].num_rr--;
112 		break;
113 	  case UTIL:
114 		play[plr].num_util--;
115 		break;
116 	}
117 	last_op = NULL;
118 	for (op = *head; op; op = op->next)
119 		if (op->sqr == &board[op_sqr])
120 			break;
121 		else
122 			last_op = op;
123 	if (op == NULL)
124 		return;
125 	if (last_op == NULL)
126 		*head = op->next;
127 	else {
128 		last_op->next = op->next;
129 		free(op);
130 	}
131 }
132 
133 /*
134  *	This routine calculates the value for sorting of the
135  * given square.
136  */
137 static int
138 value(sqp)
139 	SQUARE *sqp;
140 {
141 	int sqr;
142 
143 	sqr = sqnum(sqp);
144 	switch (sqp->type) {
145 	  case SAFE:
146 		return 0;
147 	  default:		/* Specials, etc */
148 		return 1;
149 	  case UTIL:
150 		if (sqr == 12)
151 			return 2;
152 		else
153 			return 3;
154 	  case RR:
155 		return 4 + sqr/10;
156 	  case PRPTY:
157 		return 8 + (sqp->desc) - prop;
158 	}
159 }
160 
161 /*
162  *	This routine accepts bids for the current peice
163  * of property.
164  */
165 void
166 bid()
167 {
168 	static bool in[MAX_PL];
169 	int i, num_in, cur_max;
170 	char buf[80];
171 	int cur_bid;
172 
173 	printf("\nSo it goes up for auction.  Type your bid after your name\n");
174 	for (i = 0; i < num_play; i++)
175 		in[i] = TRUE;
176 	i = -1;
177 	cur_max = 0;
178 	num_in = num_play;
179 	while (num_in > 1 || (cur_max == 0 && num_in > 0)) {
180 		i = (i + 1) % num_play;
181 		if (in[i]) {
182 			do {
183 				(void)sprintf(buf, "%s: ", name_list[i]);
184 				cur_bid = get_int(buf);
185 				if (cur_bid == 0) {
186 					in[i] = FALSE;
187 					if (--num_in == 0)
188 						break;
189 				}
190 				else if (cur_bid <= cur_max) {
191 					printf("You must bid higher than %d "
192 					    "to stay in\n", cur_max);
193 					printf("(bid of 0 drops you out)\n");
194 				}
195 			} while (cur_bid != 0 && cur_bid <= cur_max);
196 			cur_max = (cur_bid ? cur_bid : cur_max);
197 		}
198 	}
199 	if (cur_max != 0) {
200 		while (!in[i])
201 			i = (i + 1) % num_play;
202 		printf("It goes to %s (%d) for $%d\n",play[i].name,i+1,cur_max);
203 		buy(i, &board[cur_p->loc]);
204 		play[i].money -= cur_max;
205 	}
206 	else
207 		printf("Nobody seems to want it, so we'll leave it for "
208 		    "later\n");
209 }
210 
211 /*
212  *	This routine calculates the value of the property
213  * of given player.
214  */
215 int
216 prop_worth(plp)
217 	PLAY *plp;
218 {
219 	OWN *op;
220 	int worth;
221 
222 	worth = 0;
223 	for (op = plp->own_list; op; op = op->next) {
224 		if (op->sqr->type == PRPTY && op->sqr->desc->monop)
225 			worth += op->sqr->desc->mon_desc->h_cost * 50 *
226 			    op->sqr->desc->houses;
227 		worth += op->sqr->cost;
228 	}
229 	return worth;
230 }
231