xref: /minix/games/monop/morg.c (revision ebfedea0)
1 /*	$NetBSD: morg.c,v 1.19 2012/06/19 05:35:32 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[] = "@(#)morg.c	8.1 (Berkeley) 5/31/93";
36 #else
37 __RCSID("$NetBSD: morg.c,v 1.19 2012/06/19 05:35:32 dholland Exp $");
38 #endif
39 #endif /* not lint */
40 
41 #include "monop.h"
42 
43 /*
44  *	These routines deal with mortgaging.
45  */
46 
47 static const char	*names[MAX_PRP+2],
48 		*const morg_coms[]	= {
49 			"quit",		/*  0 */
50 			"print",	/*  1 */
51 			"where",	/*  2 */
52 			"own holdings",	/*  3 */
53 			"holdings",	/*  4 */
54 			"mortgage",	/*  5 */
55 			"unmortgage",	/*  6 */
56 			"buy",		/*  7 */
57 			"sell",		/*  8 */
58 			"card",		/*  9 */
59 			"pay",		/* 10 */
60 			"trade",	/* 11 */
61 			"resign",	/* 12 */
62 			"save game",	/* 13 */
63 			"restore game",	/* 14 */
64 			0
65 		};
66 
67 static short	square[MAX_PRP+2];
68 
69 static int	num_good, got_houses;
70 
71 
72 static int set_mlist(void);
73 static void m(int);
74 static int set_umlist(void);
75 static void unm(int);
76 
77 /*
78  *	This routine is the command level response the mortgage command.
79  * it gets the list of mortgageable property and asks which are to
80  * be mortgaged.
81  */
82 void
83 mortgage(void)
84 {
85 	int propnum;
86 
87 	for (;;) {
88 		if (set_mlist() == 0) {
89 			if (got_houses)
90 				printf("You can't mortgage property with "
91 				    "houses on it.\n");
92 			else
93 				printf("You don't have any un-mortgaged "
94 				    "property.\n");
95 			return;
96 		}
97 		if (num_good == 1) {
98 			printf("Your only mortgageable property is %s\n",
99 			    names[0]);
100 			if (getyn("Do you want to mortgage it? ") == 0)
101 				m(square[0]);
102 			return;
103 		}
104 		propnum = getinp("Which property do you want to mortgage? ",
105 				names);
106 		if (propnum == num_good)
107 			return;
108 		m(square[propnum]);
109 		notify();
110 	}
111 }
112 
113 /*
114  *	This routine sets up the list of mortgageable property
115  */
116 static int
117 set_mlist(void)
118 {
119 	OWN *op;
120 
121 	num_good = 0;
122 	for (op = cur_p->own_list; op; op = op->next)
123 		if (!op->sqr->desc->morg) {
124 			if (op->sqr->type == PRPTY && op->sqr->desc->houses)
125 				got_houses++;
126 			else {
127 				names[num_good] = op->sqr->name;
128 				square[num_good++] = sqnum(op->sqr);
129 			}
130 		}
131 	names[num_good++] = "done";
132 	names[num_good--] = 0;
133 	return num_good;
134 }
135 
136 /*
137  *	This routine actually mortgages the property.
138  */
139 static void
140 m(int propnum)
141 {
142 	int price;
143 
144 	price = board[propnum].cost/2;
145 	board[propnum].desc->morg = TRUE;
146 	printf("That got you $%d\n",price);
147 	cur_p->money += price;
148 }
149 
150 /*
151  *	This routine is the command level repsponse to the unmortgage
152  * command.  It gets the list of mortgaged property and asks which are
153  * to be unmortgaged.
154  */
155 void
156 unmortgage(void)
157 {
158 	int propnum;
159 
160 	for (;;) {
161 		if (set_umlist() == 0) {
162 			printf("You don't have any mortgaged property.\n");
163 			return;
164 		}
165 		if (num_good == 1) {
166 			printf("Your only mortgaged property is %s\n",
167 			    names[0]);
168 			if (getyn("Do you want to unmortgage it? ") == 0)
169 				unm(square[0]);
170 			return;
171 		}
172 		propnum = getinp("Which property do you want to unmortgage? ",
173 		    names);
174 		if (propnum == num_good)
175 			return;
176 		unm(square[propnum]);
177 	}
178 }
179 
180 /*
181  *	This routine sets up the list of mortgaged property
182  */
183 static int
184 set_umlist(void)
185 {
186 	OWN *op;
187 
188 	num_good = 0;
189 	for (op = cur_p->own_list; op; op = op->next)
190 		if (op->sqr->desc->morg) {
191 			names[num_good] = op->sqr->name;
192 			square[num_good++] = sqnum(op->sqr);
193 		}
194 	names[num_good++] = "done";
195 	names[num_good--] = 0;
196 	return num_good;
197 }
198 
199 /*
200  *	This routine actually unmortgages the property
201  */
202 static void
203 unm(int propnum)
204 {
205 	int price;
206 
207 	price = board[propnum].cost/2;
208 	board[propnum].desc->morg = FALSE;
209 	price += price/10;
210 	printf("That cost you $%d\n",price);
211 	cur_p->money -= price;
212 	(void)set_umlist();
213 }
214 
215 /*
216  *	This routine forces the indebted player to fix his
217  * financial woes.  It is fine to have $0 but not to be in debt.
218  */
219 void
220 force_morg(void)
221 {
222 	told_em = fixing = TRUE;
223 	while (cur_p->money < 0) {
224 		told_em = FALSE;
225 		(*func[(getinp("How are you going to fix it up? ", morg_coms))])();
226 		notify();
227 	}
228 	fixing = FALSE;
229 }
230