xref: /dragonfly/games/monop/houses.c (revision 11c3b524)
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