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      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 
     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 1.15 2012/06/19 05:35:32 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(void)
     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(MON *mnp)
    116 {
    117 	int i;
    118 	MON *mp;
    119 	int price;
    120 	short input[3], result[3];
    121 	int wanted_houses, wanted_hotels;
    122 	int total_purchase;
    123 	PROP *pp;
    124 	int avail_houses, avail_hotels;
    125 	bool buying_hotels;
    126 
    127 	mp = mnp;
    128 	price = mp->h_cost * 50;
    129 
    130 	avail_houses = get_avail_houses();
    131 	avail_hotels = get_avail_hotels();
    132 	buying_hotels = ready_for_hotels(mnp);
    133 
    134 	if (avail_houses == 0 && !buying_hotels) {
    135 		printf("Building shortage:  no houses available.");
    136 		return;
    137 	}
    138 	if (avail_hotels == 0 && buying_hotels) {
    139 		printf("Building shortage:  no hotels available.");
    140 		return;
    141 	}
    142 
    143 blew_it:
    144 	list_cur(mp);
    145 	printf("Houses will cost $%d\n", price);
    146 	printf("How many houses do you wish to buy for\n");
    147 	for (i = 0; i < mp->num_in; i++) {
    148 		pp = mp->sq[i]->desc;
    149 over:
    150 		if (pp->houses == 5) {
    151 			printf("%s (H):\n", mp->sq[i]->name);
    152 			input[i] = 0;
    153 			result[i] = 5;
    154 			continue;
    155 		}
    156 		(void)snprintf(cur_prop, sizeof(cur_prop), "%s (%d): ",
    157 			mp->sq[i]->name, pp->houses);
    158 		input[i] = get_int(cur_prop);
    159 		result[i] = input[i] + pp->houses;
    160 		if (result[i] > 5 || result[i] < 0) {
    161 			printf("That's too many.  The most you can buy is %d\n",
    162 			    5 - pp->houses);
    163 				goto over;
    164 			}
    165 	}
    166 	if (mp->num_in == 3 &&
    167 	    (abs(result[0] - result[1]) > 1 ||
    168 	    abs(result[0] - result[2]) > 1 ||
    169 	     abs(result[1] - result[2]) > 1)) {
    170 err:		printf("That makes the spread too wide.  Try again\n");
    171 		goto blew_it;
    172 	}
    173 	else if (mp->num_in == 2 && abs(result[0] - result[1]) > 1)
    174 		goto err;
    175 
    176 	wanted_houses = 0;
    177 	wanted_hotels = 0;
    178 	total_purchase = 0;
    179 
    180 	for (i = 0; i < mp->num_in; i++) {
    181 		wanted_houses += input[i];
    182 		total_purchase += input[i];
    183 		if (result[i] == 5 && input[i] > 0) {
    184 			wanted_hotels++;
    185 			wanted_houses--;
    186 		}
    187 	}
    188 	if (wanted_houses > avail_houses) {
    189 		printf("You have asked for %d %s but only %d are available.  "
    190 		    "Try again\n",
    191 		    wanted_houses, wanted_houses == 1 ? "house" : "houses",
    192 		    avail_houses);
    193 		goto blew_it;
    194 	} else if (wanted_hotels > avail_hotels) {
    195 		printf("You have asked for %d %s but only %d are available.  "
    196 		    "Try again\n",
    197 		    wanted_hotels, wanted_hotels == 1 ? "hotel" : "hotels",
    198 		    avail_hotels);
    199 		goto blew_it;
    200 	}
    201 
    202 	if (total_purchase) {
    203 		printf("You asked for %d %s and %d %s for $%d\n",
    204 		    wanted_houses, wanted_houses == 1 ? "house" : "houses",
    205 		    wanted_hotels, wanted_hotels == 1 ? "hotel" : "hotels",
    206 		    total_purchase * price);
    207 		if (getyn("Is that ok? ") == 0) {
    208 			cur_p->money -= total_purchase * price;
    209 			for (i = 0; i < mp->num_in; i++)
    210 				mp->sq[i]->desc->houses = result[i];
    211 		}
    212 	}
    213 }
    214 
    215 /*
    216  *	This routine sells houses.
    217  */
    218 void
    219 sell_houses(void)
    220 {
    221 	int num_mon;
    222 	MON *mp;
    223 	OWN *op;
    224 	bool good;
    225 	int p;
    226 
    227 over:
    228 	num_mon = 0;
    229 	good = TRUE;
    230 	for (op = cur_p->own_list; op;)
    231 		if (op->sqr->type == PRPTY && op->sqr->desc->monop) {
    232 			mp = op->sqr->desc->mon_desc;
    233 			names[num_mon] = (monops[num_mon]=mp)->name;
    234 			num_mon++;
    235 			good = 0;
    236 			do
    237 				if (!good && op->sqr->desc->houses != 0)
    238 					good = TRUE;
    239 			while (op->next && op->sqr->desc->mon_desc == mp
    240 			    && (op = op->next));
    241 			if (!good)
    242 				--num_mon;
    243 		} else
    244 			op = op->next;
    245 	if (num_mon == 0) {
    246 		printf("You don't have any houses to sell!!\n");
    247 		return;
    248 	}
    249 	if (num_mon == 1)
    250 		sell_h(monops[0]);
    251 	else {
    252 		names[num_mon++] = "done";
    253 		names[num_mon--] = 0;
    254 		if ((p = getinp(
    255 		    "Which property do you wish to sell houses from? ",
    256 		    names)) == num_mon)
    257 			return;
    258 		sell_h(monops[p]);
    259 		notify();
    260 		goto over;
    261 	}
    262 }
    263 
    264 static void
    265 sell_h(MON *mnp)
    266 {
    267 	int i;
    268 	MON *mp;
    269 	int price;
    270 	short input[3],temp[3];
    271 	int tot;
    272 	PROP *pp;
    273 
    274 	mp = mnp;
    275 	price = mp->h_cost * 25;
    276 blew_it:
    277 	printf("Houses will get you $%d apiece\n", price);
    278 	list_cur(mp);
    279 	printf("How many houses do you wish to sell from\n");
    280 	for (i = 0; i < mp->num_in; i++) {
    281 		pp = mp->sq[i]->desc;
    282 over:
    283 		if (pp->houses == 0) {
    284 			printf("%s (0):\n", mp->sq[i]->name);
    285 			input[i] = temp[i] = 0;
    286 			continue;
    287 		}
    288 		if (pp->houses < 5)
    289 			(void)snprintf(cur_prop, sizeof(cur_prop), "%s (%d): ",
    290 				mp->sq[i]->name,pp->houses);
    291 		else
    292 			(void)snprintf(cur_prop, sizeof(cur_prop), "%s (H): ",
    293 				mp->sq[i]->name);
    294 		input[i] = get_int(cur_prop);
    295 		temp[i] = pp->houses - input[i];
    296 		if (temp[i] < 0) {
    297 			printf(
    298 			    "That's too many.  The most you can sell is %d\n",
    299 			    pp->houses);
    300 				goto over;
    301 			}
    302 	}
    303 	if (mp->num_in == 3 && (abs(temp[0] - temp[1]) > 1 ||
    304 	    abs(temp[0] - temp[2]) > 1 || abs(temp[1] - temp[2]) > 1)) {
    305 err:		printf("That makes the spread too wide.  Try again\n");
    306 		goto blew_it;
    307 	}
    308 	else if (mp->num_in == 2 && abs(temp[0] - temp[1]) > 1)
    309 		goto err;
    310 	for (tot = i = 0; i < mp->num_in; i++)
    311 		tot += input[i];
    312 	if (tot) {
    313 		printf("You asked to sell %d house%s for $%d\n", tot,
    314 		    tot == 1 ? "" : "s", tot * price);
    315 		if (getyn("Is that ok? ") == 0) {
    316 			cur_p->money += tot * price;
    317 			for (tot = i = 0; i < mp->num_in; i++)
    318 				mp->sq[i]->desc->houses = temp[i];
    319 		}
    320 	}
    321 }
    322 
    323 static void
    324 list_cur(MON *mp)
    325 {
    326 	int i;
    327 	SQUARE *sqp;
    328 
    329 	for (i = 0; i < mp->num_in; i++) {
    330 		sqp = mp->sq[i];
    331 		if (sqp->desc->houses == 5)
    332 			printf("%s (H) ", sqp->name);
    333 		else
    334 			printf("%s (%d) ", sqp->name, sqp->desc->houses);
    335 	}
    336 	putchar('\n');
    337 }
    338 
    339 static int
    340 get_avail_houses(void)
    341 {
    342 	int i, c;
    343 	SQUARE *sqp;
    344 
    345 	c = 0;
    346 	for (i = 0; i < N_SQRS; i++) {
    347 		sqp = &board[i];
    348 		if (sqp->type == PRPTY && sqp->owner >= 0 && sqp->desc->monop) {
    349 			if (sqp->desc->houses < 5 && sqp->desc->houses > 0)
    350 				c += sqp->desc->houses;
    351 		}
    352 	}
    353 	return(N_HOUSE - c);
    354 }
    355 
    356 static int
    357 get_avail_hotels(void)
    358 {
    359 	int i, c;
    360 	SQUARE *sqp;
    361 
    362 	c = 0;
    363 	for (i = 0; i < N_SQRS; i++) {
    364 		sqp = &board[i];
    365 		if (sqp->type == PRPTY && sqp->owner >= 0 && sqp->desc->monop) {
    366 			if (sqp->desc->houses == 5)
    367 				c++;
    368 		}
    369 	}
    370 	return(N_HOTEL - c);
    371 }
    372 
    373 /*
    374  * If we can put a hotel on, we can't put any houses on, and if we can
    375  * put houses on, then we can't put a hotel on yet.
    376  */
    377 static bool
    378 ready_for_hotels(MON *mp)
    379 {
    380 	int i;
    381 
    382 	for (i = 0; i < mp->num_in; i++) {
    383 		if (mp->sq[i]->desc->houses < 4)
    384 			return(FALSE);
    385 	}
    386 	return(TRUE);
    387 }
    388