xref: /netbsd/games/monop/houses.c (revision 6550d01e)
1 /*	$NetBSD: houses.c,v 1.14 2008/02/24 03:26:26 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[] = "@(#)houses.c	8.1 (Berkeley) 5/31/93";
36 #else
37 __RCSID("$NetBSD: houses.c,v 1.14 2008/02/24 03:26:26 dholland Exp $");
38 #endif
39 #endif /* not lint */
40 
41 #include "monop.h"
42 
43 static const char	*names[N_MON+2];
44 static char	cur_prop[80];
45 
46 static MON	*monops[N_MON];
47 
48 static void buy_h(MON *);
49 static void sell_h(MON *);
50 static void list_cur(MON *);
51 static int get_avail_houses(void);
52 static int get_avail_hotels(void);
53 static bool ready_for_hotels(MON *);
54 
55 /*
56  *	These routines deal with buying and selling houses
57  */
58 void
59 buy_houses()
60 {
61 	int num_mon;
62 	MON *mp;
63 	OWN *op;
64 	bool good, got_morg;
65 	int i,p;
66 
67 over:
68 	num_mon = 0;
69 	good = TRUE;
70 	got_morg = FALSE;
71 	for (op = cur_p->own_list; op && op->sqr->type != PRPTY; op = op->next)
72 		continue;
73 	while (op)
74 		if (op->sqr->desc->monop) {
75 			mp = op->sqr->desc->mon_desc;
76 			names[num_mon] = (monops[num_mon]=mp)->name;
77 			num_mon++;
78 			got_morg = good = FALSE;
79 			for (i = 0; i < mp->num_in; i++) {
80 				if (op->sqr->desc->morg)
81 					got_morg = TRUE;
82 				if (op->sqr->desc->houses != 5)
83 					good = TRUE;
84 				op = op->next;
85 			}
86 			if (!good || got_morg)
87 				--num_mon;
88 		}
89 		else
90 			op = op->next;
91 	if (num_mon == 0) {
92 		if (got_morg)
93 			printf("You can't build on mortgaged monopolies.\n");
94 		else if (!good)
95 			printf("You can't build any more.\n");
96 		else
97 			printf("But you don't have any monopolies!!\n");
98 		return;
99 	}
100 	if (num_mon == 1)
101 		buy_h(monops[0]);
102 	else {
103 		names[num_mon++] = "done";
104 		names[num_mon--] = 0;
105 		if ((p = getinp(
106 		    "Which property do you wish to buy houses for? ",
107 		    names)) == num_mon)
108 			return;
109 		buy_h(monops[p]);
110 		goto over;
111 	}
112 }
113 
114 static void
115 buy_h(mnp)
116 	MON *mnp;
117 {
118 	int i;
119 	MON *mp;
120 	int price;
121 	short input[3], result[3];
122 	int wanted_houses, wanted_hotels;
123 	int total_purchase;
124 	PROP *pp;
125 	int avail_houses, avail_hotels;
126 	bool buying_hotels;
127 
128 	mp = mnp;
129 	price = mp->h_cost * 50;
130 
131 	avail_houses = get_avail_houses();
132 	avail_hotels = get_avail_hotels();
133 	buying_hotels = ready_for_hotels(mnp);
134 
135 	if (avail_houses == 0 && !buying_hotels) {
136 		printf("Building shortage:  no houses available.");
137 		return;
138 	}
139 	if (avail_hotels == 0 && buying_hotels) {
140 		printf("Building shortage:  no hotels available.");
141 		return;
142 	}
143 
144 blew_it:
145 	list_cur(mp);
146 	printf("Houses will cost $%d\n", price);
147 	printf("How many houses do you wish to buy for\n");
148 	for (i = 0; i < mp->num_in; i++) {
149 		pp = mp->sq[i]->desc;
150 over:
151 		if (pp->houses == 5) {
152 			printf("%s (H):\n", mp->sq[i]->name);
153 			input[i] = 0;
154 			result[i] = 5;
155 			continue;
156 		}
157 		(void)snprintf(cur_prop, sizeof(cur_prop), "%s (%d): ",
158 			mp->sq[i]->name, pp->houses);
159 		input[i] = get_int(cur_prop);
160 		result[i] = input[i] + pp->houses;
161 		if (result[i] > 5 || result[i] < 0) {
162 			printf("That's too many.  The most you can buy is %d\n",
163 			    5 - pp->houses);
164 				goto over;
165 			}
166 	}
167 	if (mp->num_in == 3 &&
168 	    (abs(result[0] - result[1]) > 1 ||
169 	    abs(result[0] - result[2]) > 1 ||
170 	     abs(result[1] - result[2]) > 1)) {
171 err:		printf("That makes the spread too wide.  Try again\n");
172 		goto blew_it;
173 	}
174 	else if (mp->num_in == 2 && abs(result[0] - result[1]) > 1)
175 		goto err;
176 
177 	wanted_houses = 0;
178 	wanted_hotels = 0;
179 	total_purchase = 0;
180 
181 	for (i = 0; i < mp->num_in; i++) {
182 		wanted_houses += input[i];
183 		total_purchase += input[i];
184 		if (result[i] == 5 && input[i] > 0) {
185 			wanted_hotels++;
186 			wanted_houses--;
187 		}
188 	}
189 	if (wanted_houses > avail_houses) {
190 		printf("You have asked for %d %s but only %d are available.  "
191 		    "Try again\n",
192 		    wanted_houses, wanted_houses == 1 ? "house" : "houses",
193 		    avail_houses);
194 		goto blew_it;
195 	} else if (wanted_hotels > avail_hotels) {
196 		printf("You have asked for %d %s but only %d are available.  "
197 		    "Try again\n",
198 		    wanted_hotels, wanted_hotels == 1 ? "hotel" : "hotels",
199 		    avail_hotels);
200 		goto blew_it;
201 	}
202 
203 	if (total_purchase) {
204 		printf("You asked for %d %s and %d %s for $%d\n",
205 		    wanted_houses, wanted_houses == 1 ? "house" : "houses",
206 		    wanted_hotels, wanted_hotels == 1 ? "hotel" : "hotels",
207 		    total_purchase * price);
208 		if (getyn("Is that ok? ") == 0) {
209 			cur_p->money -= total_purchase * price;
210 			for (i = 0; i < mp->num_in; i++)
211 				mp->sq[i]->desc->houses = result[i];
212 		}
213 	}
214 }
215 
216 /*
217  *	This routine sells houses.
218  */
219 void
220 sell_houses()
221 {
222 	int num_mon;
223 	MON *mp;
224 	OWN *op;
225 	bool good;
226 	int p;
227 
228 over:
229 	num_mon = 0;
230 	good = TRUE;
231 	for (op = cur_p->own_list; op;)
232 		if (op->sqr->type == PRPTY && op->sqr->desc->monop) {
233 			mp = op->sqr->desc->mon_desc;
234 			names[num_mon] = (monops[num_mon]=mp)->name;
235 			num_mon++;
236 			good = 0;
237 			do
238 				if (!good && op->sqr->desc->houses != 0)
239 					good = TRUE;
240 			while (op->next && op->sqr->desc->mon_desc == mp
241 			    && (op = op->next));
242 			if (!good)
243 				--num_mon;
244 		} else
245 			op = op->next;
246 	if (num_mon == 0) {
247 		printf("You don't have any houses to sell!!\n");
248 		return;
249 	}
250 	if (num_mon == 1)
251 		sell_h(monops[0]);
252 	else {
253 		names[num_mon++] = "done";
254 		names[num_mon--] = 0;
255 		if ((p = getinp(
256 		    "Which property do you wish to sell houses from? ",
257 		    names)) == num_mon)
258 			return;
259 		sell_h(monops[p]);
260 		notify();
261 		goto over;
262 	}
263 }
264 
265 static void
266 sell_h(mnp)
267 	MON *mnp;
268 {
269 	int i;
270 	MON *mp;
271 	int price;
272 	short input[3],temp[3];
273 	int tot;
274 	PROP *pp;
275 
276 	mp = mnp;
277 	price = mp->h_cost * 25;
278 blew_it:
279 	printf("Houses will get you $%d apiece\n", price);
280 	list_cur(mp);
281 	printf("How many houses do you wish to sell from\n");
282 	for (i = 0; i < mp->num_in; i++) {
283 		pp = mp->sq[i]->desc;
284 over:
285 		if (pp->houses == 0) {
286 			printf("%s (0):\n", mp->sq[i]->name);
287 			input[i] = temp[i] = 0;
288 			continue;
289 		}
290 		if (pp->houses < 5)
291 			(void)snprintf(cur_prop, sizeof(cur_prop), "%s (%d): ",
292 				mp->sq[i]->name,pp->houses);
293 		else
294 			(void)snprintf(cur_prop, sizeof(cur_prop), "%s (H): ",
295 				mp->sq[i]->name);
296 		input[i] = get_int(cur_prop);
297 		temp[i] = pp->houses - input[i];
298 		if (temp[i] < 0) {
299 			printf(
300 			    "That's too many.  The most you can sell is %d\n",
301 			    pp->houses);
302 				goto over;
303 			}
304 	}
305 	if (mp->num_in == 3 && (abs(temp[0] - temp[1]) > 1 ||
306 	    abs(temp[0] - temp[2]) > 1 || abs(temp[1] - temp[2]) > 1)) {
307 err:		printf("That makes the spread too wide.  Try again\n");
308 		goto blew_it;
309 	}
310 	else if (mp->num_in == 2 && abs(temp[0] - temp[1]) > 1)
311 		goto err;
312 	for (tot = i = 0; i < mp->num_in; i++)
313 		tot += input[i];
314 	if (tot) {
315 		printf("You asked to sell %d house%s for $%d\n", tot,
316 		    tot == 1 ? "" : "s", tot * price);
317 		if (getyn("Is that ok? ") == 0) {
318 			cur_p->money += tot * price;
319 			for (tot = i = 0; i < mp->num_in; i++)
320 				mp->sq[i]->desc->houses = temp[i];
321 		}
322 	}
323 }
324 
325 static void
326 list_cur(mp)
327 	MON *mp;
328 {
329 	int i;
330 	SQUARE *sqp;
331 
332 	for (i = 0; i < mp->num_in; i++) {
333 		sqp = mp->sq[i];
334 		if (sqp->desc->houses == 5)
335 			printf("%s (H) ", sqp->name);
336 		else
337 			printf("%s (%d) ", sqp->name, sqp->desc->houses);
338 	}
339 	putchar('\n');
340 }
341 
342 static int
343 get_avail_houses(void)
344 {
345 	int i, c;
346 	SQUARE *sqp;
347 
348 	c = 0;
349 	for (i = 0; i < N_SQRS; i++) {
350 		sqp = &board[i];
351 		if (sqp->type == PRPTY && sqp->owner >= 0 && sqp->desc->monop) {
352 			if (sqp->desc->houses < 5 && sqp->desc->houses > 0)
353 				c += sqp->desc->houses;
354 		}
355 	}
356 	return(N_HOUSE - c);
357 }
358 
359 static int
360 get_avail_hotels(void)
361 {
362 	int i, c;
363 	SQUARE *sqp;
364 
365 	c = 0;
366 	for (i = 0; i < N_SQRS; i++) {
367 		sqp = &board[i];
368 		if (sqp->type == PRPTY && sqp->owner >= 0 && sqp->desc->monop) {
369 			if (sqp->desc->houses == 5)
370 				c++;
371 		}
372 	}
373 	return(N_HOTEL - c);
374 }
375 
376 /*
377  * If we can put a hotel on, we can't put any houses on, and if we can
378  * put houses on, then we can't put a hotel on yet.
379  */
380 static bool
381 ready_for_hotels(MON *mp)
382 {
383 	int i;
384 
385 	for (i = 0; i < mp->num_in; i++) {
386 		if (mp->sq[i]->desc->houses < 4)
387 			return(FALSE);
388 	}
389 	return(TRUE);
390 }
391