xref: /dragonfly/games/monop/houses.c (revision 11c3b524747d8c5b8633b938fd0fceb1d5878a2e)
1 /*        $NetBSD: houses.c,v 1.15 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  *        @(#)houses.c        8.1 (Berkeley) 5/31/93
32  */
33 
34 #include "monop.h"
35 
36 static const char   *names[N_MON+2];
37 static char         cur_prop[80];
38 
39 static MON          *monops[N_MON];
40 
41 static void buy_h(MON *);
42 static void sell_h(MON *);
43 static void list_cur(MON *);
44 static int get_avail_houses(void);
45 static int get_avail_hotels(void);
46 static bool ready_for_hotels(MON *);
47 
48 /*
49  *        These routines deal with buying and selling houses
50  */
51 void
buy_houses(void)52 buy_houses(void)
53 {
54           int num_mon;
55           MON *mp;
56           OWN *op;
57           bool good, got_morg;
58           int i,p;
59 
60 over:
61           num_mon = 0;
62           good = TRUE;
63           got_morg = FALSE;
64           for (op = cur_p->own_list; op && op->sqr->type != PRPTY; op = op->next)
65                     continue;
66           while (op)
67                     if (op->sqr->desc->monop) {
68                               mp = op->sqr->desc->mon_desc;
69                               names[num_mon] = (monops[num_mon]=mp)->name;
70                               num_mon++;
71                               got_morg = good = FALSE;
72                               for (i = 0; i < mp->num_in; i++) {
73                                         if (op->sqr->desc->morg)
74                                                   got_morg = TRUE;
75                                         if (op->sqr->desc->houses != 5)
76                                                   good = TRUE;
77                                         op = op->next;
78                               }
79                               if (!good || got_morg)
80                                         --num_mon;
81                     }
82                     else
83                               op = op->next;
84           if (num_mon == 0) {
85                     if (got_morg)
86                               printf("You can't build on mortgaged monopolies.\n");
87                     else if (!good)
88                               printf("You can't build any more.\n");
89                     else
90                               printf("But you don't have any monopolies!!\n");
91                     return;
92           }
93           if (num_mon == 1)
94                     buy_h(monops[0]);
95           else {
96                     names[num_mon++] = "done";
97                     names[num_mon--] = 0;
98                     if ((p = getinp(
99                         "Which property do you wish to buy houses for? ",
100                         names)) == num_mon)
101                               return;
102                     buy_h(monops[p]);
103                     goto over;
104           }
105 }
106 
107 static void
buy_h(MON * mnp)108 buy_h(MON *mnp)
109 {
110           int i;
111           MON *mp;
112           int price;
113           short input[3], result[3];
114           int wanted_houses, wanted_hotels;
115           int total_purchase;
116           PROP *pp;
117           int avail_houses, avail_hotels;
118           bool buying_hotels;
119 
120           mp = mnp;
121           price = mp->h_cost * 50;
122 
123           avail_houses = get_avail_houses();
124           avail_hotels = get_avail_hotels();
125           buying_hotels = ready_for_hotels(mnp);
126 
127           if (avail_houses == 0 && !buying_hotels) {
128                     printf("Building shortage:  no houses available.");
129                     return;
130           }
131           if (avail_hotels == 0 && buying_hotels) {
132                     printf("Building shortage:  no hotels available.");
133                     return;
134           }
135 
136 blew_it:
137           list_cur(mp);
138           printf("Houses will cost $%d\n", price);
139           printf("How many houses do you wish to buy for\n");
140           for (i = 0; i < mp->num_in; i++) {
141                     pp = mp->sq[i]->desc;
142 over:
143                     if (pp->houses == 5) {
144                               printf("%s (H):\n", mp->sq[i]->name);
145                               input[i] = 0;
146                               result[i] = 5;
147                               continue;
148                     }
149                     (void)snprintf(cur_prop, sizeof(cur_prop), "%s (%d): ",
150                               mp->sq[i]->name, pp->houses);
151                     input[i] = get_int(cur_prop);
152                     result[i] = input[i] + pp->houses;
153                     if (result[i] > 5 || result[i] < 0) {
154                               printf("That's too many.  The most you can buy is %d\n",
155                                   5 - pp->houses);
156                                         goto over;
157                               }
158           }
159           if (mp->num_in == 3 &&
160               (abs(result[0] - result[1]) > 1 ||
161               abs(result[0] - result[2]) > 1 ||
162                abs(result[1] - result[2]) > 1)) {
163 err:                printf("That makes the spread too wide.  Try again\n");
164                     goto blew_it;
165           }
166           else if (mp->num_in == 2 && abs(result[0] - result[1]) > 1)
167                     goto err;
168 
169           wanted_houses = 0;
170           wanted_hotels = 0;
171           total_purchase = 0;
172 
173           for (i = 0; i < mp->num_in; i++) {
174                     wanted_houses += input[i];
175                     total_purchase += input[i];
176                     if (result[i] == 5 && input[i] > 0) {
177                               wanted_hotels++;
178                               wanted_houses--;
179                     }
180           }
181           if (wanted_houses > avail_houses) {
182                     printf("You have asked for %d %s but only %d are available.  "
183                         "Try again\n",
184                         wanted_houses, wanted_houses == 1 ? "house" : "houses",
185                         avail_houses);
186                     goto blew_it;
187           } else if (wanted_hotels > avail_hotels) {
188                     printf("You have asked for %d %s but only %d are available.  "
189                         "Try again\n",
190                         wanted_hotels, wanted_hotels == 1 ? "hotel" : "hotels",
191                         avail_hotels);
192                     goto blew_it;
193           }
194 
195           if (total_purchase) {
196                     printf("You asked for %d %s and %d %s for $%d\n",
197                         wanted_houses, wanted_houses == 1 ? "house" : "houses",
198                         wanted_hotels, wanted_hotels == 1 ? "hotel" : "hotels",
199                         total_purchase * price);
200                     if (getyn("Is that ok? ") == 0) {
201                               cur_p->money -= total_purchase * price;
202                               for (i = 0; i < mp->num_in; i++)
203                                         mp->sq[i]->desc->houses = result[i];
204                     }
205           }
206 }
207 
208 /*
209  *        This routine sells houses.
210  */
211 void
sell_houses(void)212 sell_houses(void)
213 {
214           int num_mon;
215           MON *mp;
216           OWN *op;
217           bool good;
218           int p;
219 
220 over:
221           num_mon = 0;
222           good = TRUE;
223           for (op = cur_p->own_list; op;)
224                     if (op->sqr->type == PRPTY && op->sqr->desc->monop) {
225                               mp = op->sqr->desc->mon_desc;
226                               names[num_mon] = (monops[num_mon]=mp)->name;
227                               num_mon++;
228                               good = 0;
229                               do
230                                         if (!good && op->sqr->desc->houses != 0)
231                                                   good = TRUE;
232                               while (op->next && op->sqr->desc->mon_desc == mp
233                                   && (op = op->next));
234                               if (!good)
235                                         --num_mon;
236                     } else
237                               op = op->next;
238           if (num_mon == 0) {
239                     printf("You don't have any houses to sell!!\n");
240                     return;
241           }
242           if (num_mon == 1)
243                     sell_h(monops[0]);
244           else {
245                     names[num_mon++] = "done";
246                     names[num_mon--] = 0;
247                     if ((p = getinp(
248                         "Which property do you wish to sell houses from? ",
249                         names)) == num_mon)
250                               return;
251                     sell_h(monops[p]);
252                     notify();
253                     goto over;
254           }
255 }
256 
257 static void
sell_h(MON * mnp)258 sell_h(MON *mnp)
259 {
260           int i;
261           MON *mp;
262           int price;
263           short input[3],temp[3];
264           int tot;
265           PROP *pp;
266 
267           mp = mnp;
268           price = mp->h_cost * 25;
269 blew_it:
270           printf("Houses will get you $%d apiece\n", price);
271           list_cur(mp);
272           printf("How many houses do you wish to sell from\n");
273           for (i = 0; i < mp->num_in; i++) {
274                     pp = mp->sq[i]->desc;
275 over:
276                     if (pp->houses == 0) {
277                               printf("%s (0):\n", mp->sq[i]->name);
278                               input[i] = temp[i] = 0;
279                               continue;
280                     }
281                     if (pp->houses < 5)
282                               (void)snprintf(cur_prop, sizeof(cur_prop), "%s (%d): ",
283                                         mp->sq[i]->name,pp->houses);
284                     else
285                               (void)snprintf(cur_prop, sizeof(cur_prop), "%s (H): ",
286                                         mp->sq[i]->name);
287                     input[i] = get_int(cur_prop);
288                     temp[i] = pp->houses - input[i];
289                     if (temp[i] < 0) {
290                               printf(
291                                   "That's too many.  The most you can sell is %d\n",
292                                   pp->houses);
293                                         goto over;
294                               }
295           }
296           if (mp->num_in == 3 && (abs(temp[0] - temp[1]) > 1 ||
297               abs(temp[0] - temp[2]) > 1 || abs(temp[1] - temp[2]) > 1)) {
298 err:                printf("That makes the spread too wide.  Try again\n");
299                     goto blew_it;
300           }
301           else if (mp->num_in == 2 && abs(temp[0] - temp[1]) > 1)
302                     goto err;
303           for (tot = i = 0; i < mp->num_in; i++)
304                     tot += input[i];
305           if (tot) {
306                     printf("You asked to sell %d house%s for $%d\n", tot,
307                         tot == 1 ? "" : "s", tot * price);
308                     if (getyn("Is that ok? ") == 0) {
309                               cur_p->money += tot * price;
310                               for (tot = i = 0; i < mp->num_in; i++)
311                                         mp->sq[i]->desc->houses = temp[i];
312                     }
313           }
314 }
315 
316 static void
list_cur(MON * mp)317 list_cur(MON *mp)
318 {
319           int i;
320           SQUARE *sqp;
321 
322           for (i = 0; i < mp->num_in; i++) {
323                     sqp = mp->sq[i];
324                     if (sqp->desc->houses == 5)
325                               printf("%s (H) ", sqp->name);
326                     else
327                               printf("%s (%d) ", sqp->name, sqp->desc->houses);
328           }
329           putchar('\n');
330 }
331 
332 static int
get_avail_houses(void)333 get_avail_houses(void)
334 {
335           int i, c;
336           SQUARE *sqp;
337 
338           c = 0;
339           for (i = 0; i < N_SQRS; i++) {
340                     sqp = &board[i];
341                     if (sqp->type == PRPTY && sqp->owner >= 0 && sqp->desc->monop) {
342                               if (sqp->desc->houses < 5 && sqp->desc->houses > 0)
343                                         c += sqp->desc->houses;
344                     }
345           }
346           return(N_HOUSE - c);
347 }
348 
349 static int
get_avail_hotels(void)350 get_avail_hotels(void)
351 {
352           int i, c;
353           SQUARE *sqp;
354 
355           c = 0;
356           for (i = 0; i < N_SQRS; i++) {
357                     sqp = &board[i];
358                     if (sqp->type == PRPTY && sqp->owner >= 0 && sqp->desc->monop) {
359                               if (sqp->desc->houses == 5)
360                                         c++;
361                     }
362           }
363           return(N_HOTEL - c);
364 }
365 
366 /*
367  * If we can put a hotel on, we can't put any houses on, and if we can
368  * put houses on, then we can't put a hotel on yet.
369  */
370 static bool
ready_for_hotels(MON * mp)371 ready_for_hotels(MON *mp)
372 {
373           int i;
374 
375           for (i = 0; i < mp->num_in; i++) {
376                     if (mp->sq[i]->desc->houses < 4)
377                               return(FALSE);
378           }
379           return(TRUE);
380 }
381